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Comments by CharlesGilman

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Does size matter?[Subject Thread] [Add Response]
Charles Gilman wrote on Sun, May 12, 2013 06:47 AM UTC:
32x32! To think that I group many of my own games of 13x12 upwards on a text file as "huge variants"!

Lion Chess[Subject Thread] [Add Response]
Charles Gilman wrote on Sun, May 19, 2013 06:01 AM UTC:
One name that occurred to me was Lion's Share Chess, as this suggests a "greedy" piece making two moves at a time. It also seems logical that a variant whose distinctive piece has been known as a Lion for so long should start with Lion as that would be the obvious place to look for such a game in the index pages.

Initial moves[Subject Thread] [Add Response]
Charles Gilman wrote on Thu, May 30, 2013 05:54 AM UTC:
This recent comment noted that my piece article Man and Beast 02: Shield Bearers includes terms for combinations of any two out of European, warhead, ambush, and nonchalant initial moves for Pawnlike pieces, and for the combination of all four, but not combintions of three of them. The suggested terms for such combinations do not appeal to me as they do not fit the theme of the existing ones that well, so I wondered if I - or anyone else - could improve on them. Any suggestions are welcome.

One idea that occurred to me was to concentrate on the warhead and helmsman combinations and their components so that I could view the three-way combinations as trident++ambush, trident++nonchalant, European+helmsman, and warhead+helmsman. These might be termed triamb, trinon, eurhel, and warhel for short. It did however then occur to me that eurofighter would be illogical as it stresses the European component of the trident component and it would be more consistent to term it trihel. This would also have the advantage that eurofighter as an actual weapon has been renamed typhoon, which is also the name of an existing Chess variant. It would then be logical for patient, penitent, impenitent, and impatient to be renamed euramb, eurnon, waramb, and warnon. I would be interested to know what other people think.


Charles Gilman wrote on Sat, Jun 8, 2013 06:09 AM UTC:
Having thought about it, I realise that naming compounds of two and four elements, be they actual pieces or game-specific aspects to a piece, but not all three is not that uncommon. Take the -elicopter pieces of Man and Beast 07: When Beasts Collide. There are compounds of every two dimple components of the Helicopter - Gnu, Anu, Hovercraft, Hajj, Cohajj, and Cohovercraft - the Delicopter - Nintu, Uluru, Dovercraft, Dajj &c. - and the Selicopter - Zebu, Zulu, Sovercraft, Sajj &c. - but none of three such components. The only exception that I can think of is the Buffalo, which is the only compound of three of the Gallop's four components. Were I to add prefixes for Pawns with three kinds of double-step move, it might be argued that I could add names fr Knight+Camel+Antelope and the like.

ChessPlusDice[Subject Thread] [Add Response]
Charles Gilman wrote on Fri, Aug 16, 2013 05:57 AM UTC:
Yesterday evening a news story made me think about Chess with dice. The treasurer of UKIP¹ was railing against attempts to get more women on company boards. His argument was that women are less competitive than men, and he cites as an example the shortage of women in competitive activities - not just physical sports² but also more cerebral pastimes like Chess and Bridge. It occurred to me that Chess is not that good an analogy for running a business anyway, but that adding a random element with dice would increase the similiarity to managing employees without the unquestioning obedience of Chessmen. Not that I would suggest that even a randomised variant would be a good test for business leadership, but it does add to realism in terms of the civilian world alongside the familiar fog-of-war arguments³. Of course what would really be needed would be something to represent differences in powers of persuasion, but how that could be achieved short of having an extra person participating for each piece, I cannot imagine.

¹a British political party routinely embarrassed by racist and/or sexist comments by its activists

²in which he claims women are inherently disadvantaged, as many with his attitudes do

³as also used by servicemen who have just shot an obnoxious superior in their own regiment


Orbiters[Subject Thread] [Add Response]
Charles Gilman wrote on Mon, Sep 9, 2013 06:16 AM UTC:
Orbiters In my recent update of Man and Beast 09 I described how, during a single move, colourbound Curved alternators stay a constant distance from a cell not on the path (a Knight leap for the Curved Alpaca, a Camel leap for the Curved Alderney, a Zebra leap for the Curved Qualpaca, a Giraffe leap for the Curved Okalpaca, et cetera). Here is an illustration for the Curved Alpaca:
- 0 - 7 -

1 - - - 6

- - * - -

2 - - - 5

- 3 - 4 -
I then added that colourswitching Curved alternators stay a constant distance from a position between cells (half a Camel leap for the Curved Rhino of Leaping Bat Chess, half a Zemel leap for the Curved Quagga, half a Gimel leap for the Curved Okapi, et cetera). Here is an illustration for the Curved Rhino:
- 0 7 -

1 - - 6
   *
2 - - 5

- 3 4 -
The Curved Sprilpaca stays an Antelope's leap from a central cell, but cells a Quibbler's leap from that cell are the same distance from that central cell. This illustration shows th path of the Curved Sprilpaca and the extra cells that get added by replacing each Bitrebuchet leap with two Camel leaps to get a Fiveorbiter:
- - - - - + - - - - -

- - 0 - - - - - 7 - -

- 1 - - - - - - - 6 -

- - - - - - - - - - -

- - - - - - - - - - -

+ - - - - * - - - - +

- - - - - - - - - - -

- - - - - - - - - - -

- 2 - - - - - - - 5 -

- - 3 - - - - - 4 - -

- - - - - + - - - - -
Likewise the Curved Springbok stays half a Namel's leap from between 4 cells, but vcells half a Quitter's leap from that cell are the same distance from that central cell. This illustration shows th path of the Curved Springbok and he extra cells added by replacing each tripper leap with two Knight leaps to get a Root12½orbiter:
- - - 1 8 - - -

- + - - - - + -

- - - - - - - -

2 - - - - - - 7
       *
3 - - - - - - 6

- - - - - - - -

- + - - - - + -

- - - 4 5 - - -
The question is, are these mixed oblique and radial Curved movers worth considering in more depth, perhaps even adding to Man and Beast? I can also imagine orbiters at distances from central locations of the square roots of 65, 32½, 85, and 42½.

Charles Gilman wrote on Sat, Sep 14, 2013 06:13 AM UTC:
I am disappointed not to get an response on this. Have I made my descriptions of the new pieces too complex to understand? The Fiveorbiter can also be seen as a Macel (Curved Camelrider) with Ferz steps inserted into its path to smooth off its sharpest turns, and the Root12½orbiter a Rose with Wazir steps inserted into its path to smooth off its sharpest turns. i hope that this helps.

Charles Gilman wrote on Thu, Sep 19, 2013 05:46 AM UTC:
Well one Root12½orbiter path just manages to fit on an 8x8 board, as the diagram shows, and it looks a strong enough piece even with he restrictions of that board. It might be a bit too strong if anything. I now notiec that a full Fiveorbiter path requires a Nearlydouble Chess board. I was aware that the piece in the second diagram has been used many times under many names (someone else called it a "Mini-Rose"), but it is John Savard's use of it tha I most remember - partly because it drew my attention to the connection with the corresponding Crooked piece.

Chess Geometry[Subject Thread] [Add Response]
Charles Gilman wrote on Wed, Sep 25, 2013 06:09 AM UTC:
I was intrigued by the idea in Daniil Frolov's latest variant of Queens and Nightriders as the basic linepieces, with Bisons as the short-range piece. It reminded me of something, and that is the relationship between the Glinsky and AltOrth interpretations of the hex geometry - although the derivation was the other way round. In this table illustrating the parallels, FIDE and AltOrth are collectively termed the "short" interpretations and Frolov virtual Octagonal and Glinsky as "long" ones.
square-cellhex-cell
Rook, BishopBasic linepieces in short interpretationForerook, Hincdrook
QueenTheir compound, the compound linepiece in the short interpretation but a basic linepiece in the long oneRook
KnightThe short-range piece in the short interpretationViceroy
NightriderIts rider, the other basic linepiece in the long interpretationUnicorn
AceriderThe compound linepiece in the long interpretationDuchess
BisonThe short-range piece in the long interpretationSennight
Well that made another idea dawn on me. A further development on AltOrth is Plattraum, which starts with the AltOrth linepieces but adds in the Unicorn as a third basic linepiece. There is then the potential for three two-way compounds - the Rook, Foreduchess, and Hindduchess - and the three-way Duchess just as cubic-cell boards have the potential for the two-way Queen, Duchess, and Governor and the three-way Empress. Thus it would be possible to have a square-cell Plattraum with the Rook, Bishop, and Nightrider as basic linepieces with the Queen, Marshrider, and Cardirider as two-wqy compounds and the Acerider as the three-way one - plus the Bison as a short-range piece.

15-50-500YrsAgo[Subject Thread] [Add Response]
Charles Gilman wrote on Mon, Oct 21, 2013 05:47 AM UTC:
Thanks for drawing my attention to Ravioli Chess again. It predated Man and Beast 12, of course, but having seen it again - and more detail of Pizza Kings, to which the Ravioli Chess page has a link - I have added to the piece article accordingly. Mentioning Ravioli Chess is the least that I could do given its own link to Grossraumschach!

Updating pages[Subject Thread] [Add Response]
Charles Gilman wrote on Wed, Nov 6, 2013 07:15 AM UTC:
I have recently had problems updating my "post-your-own" pages. When I have put the changes in the boxes an dcliicked the button tro update, the next page gives the message "The password you specified does not match the password for the User ID you specified. Please go back and try again." I go back and try again, making sure that I do oput in my correct password, and get the same message. I would be grateful if someone would look into this and fix it.

Charles Gilman wrote on Fri, Nov 8, 2013 07:23 AM UTC:
Thank you, that fix has worked - as anyone looking at the "What's new" page will see!

Oblique Alternators[Subject Thread] [Add Response]
Charles Gilman wrote on Thu, Nov 14, 2013 06:57 AM UTC:
It has recently struck me that the suffix -trialler for 90° alternators between cubic semi-duals is a bit of a cheat. Firstly, trial is not used as a verb as duel is. The verb relating to a trial is of course try. Secondly, the analogy suggests a piece changing between directions of a simple leaper, as is the case with -dueller. The Ninjadueller's move comprises a series of 2:2:1 moves whereas the Ninjatrialler's alernates 2:2:1 leap in one direction with 4:1:1 ones at right angles to it. Finally, I have many other suffixes starting with -tri- and it might be less confusing to drop this one.

What I do notice is that such pieces are oblique analogues to the Tapir in the same way that the -potamus pieces, 45° alternators between square-board duals, are to the Rhino. As an animal, the tapir is the nearest living South American relative of the rhinoceros, and Man and Beast does not yet use he name of the nearest living South American relative of the hippopotamus, the peccary. Therefore I have been wondering whether to substitute the suffix -peccary, so that the 90° Ninja-Nimel alternator would be the Ninjapeccary, the Elf-Lecturer one the Elfpeccary, and so on.

Another interesting group of 45° alternators are those between longer Knightwise and Camelwise leaps. It is no accident that the Knight-Crane, Camel-Chamois, Knight-Cassowary, Camel-Caltrap, Crane-Chamois, and Charolais-Cassowary alternators share the Even Move Directions of the Zebrapotamus, Girafoptamus, Antelpotamus, Zemelpotamus, Satyrpotamus, and Gimelpotamus, so for these I propose prefixing the latter pieces' names with Inverse. The Hippopotamus and Camelpotamus are their own Inverse versions.

A group of 90° alternators that I have recently noticed are those alternating hex pieces with leaps leangths in ratios of root-3 - oblique analogues to the Archimedes that is the 90° Wazir-Viceroy alternator. These include Sennight-Overscore, Aurochs-Barnowl, and Student-Bettong alterntors, and all have as EMD their shorter stage's directions. As yet I have not thought of a sutable suffix for these, but ideas are welcome.


Chess Geometry[Subject Thread] [Add Response]
Charles Gilman wrote on Sat, Nov 16, 2013 06:55 AM UTC:
I have a theory that every odd-SOLL leap on a hex board vcan be expressed as m diagnoal and n orthogonal steps at right angles in exactly one way, but cannot immediately see a way to prove it. Note that this is not the same as saying that every relevant SOLL can be expressed as 3m²+n² in exactly one way. For example, 49 is the SOLL of both the Heptagram (m=4, n=1) and the Settler (m=0, n=7) but as you can see, each has its own (unique) value of m and n. I have looked through several leapers without finding a counterexample. Does anyone know of either a counterexample or a proof of the theory?

Charles Gilman wrote on Sun, Nov 17, 2013 08:02 AM UTC:
The Dabbaba is not a counterexample as it has an even SOLL, namely 4, and my conjecture specificed odd SOLLs. The point about the pieces with SOLL 49 is that their leaps, though the same length, are to different destination cells relative to a starting cell. The following diagram shows this. Routes c and d lead to the same destinations but route b leads to a different one where:
@=statring cell
#=destination cell
a=intersection of b and c
b=7 orthogonal steps
c=1 orthogonal followed by 4 diagonal
d=4 diagonal folloewd by 1 orthogonal
 ___     ___     ___     ___     ___
/ . \___/ . \___/ . \___/ . \___/ # \
\___/ . \___/ . \___/ # \___/ . \___/
/ . \___/ . \___/ d \___/ . \___/ b \
\___/ . \___/ . \___/ . \___/ . \___/
/ . \___/ . \___/ . \___/ c \___/ b \
\___/ . \___/ . \___/ d \___/ . \___/
/ . \___/ . \___/ . \___/ . \___/ b \
\___/ # \___/ . \___/ . \___/ c \___/
/ . \___/ b \___/ . \___/ d \___/ b \
\___/ . \___/ b \___/ . \___/ . \___/
/ . \___/ . \___/ b \___/ . \___/ a \
\___/ . \___/ . \___/ b \___/ d \___/
/ # \___/ c \___/ c \___/ a \___/ a \
\___/ . \___/ . \___/ . \___/ a \___/
/ d \___/ d \___/ d \___/ d \___/ @ \
\___/ . \___/ . \___/ . \___/ . \___/

Charles Gilman wrote on Mon, Nov 18, 2013 07:07 AM UTC:
"So is your conjecture that in the hex-grid (or triangular grid depending on how you look at it), there are no two right triangles that share a hypotenuse with odd squared length... where the legs of the triangles are along the orthogonal and diagonal directions?"

No, as I have already cited a counterexample to that conjecture if you include triangles of side zero. The orientation of the hypotenuse on the board matters as well as its length. I will have a think to see whether I can formulate the conjecture with purely numeric variables.

"I think the 4-coloring of the hex board can help to prove this. See wikipedia's 4-coloring image. If a leap has odd SOLL, then in any right angle diagonal-orthogonal path--say m diagonal and n orthogonal as before--we must have that m and n have different parities (else 3m^2+n^2 is even). Then the starting and landing cells have different colors in the 4-coloring. But each orthogonal-diagonal pair of directions at right angles involve exactly two colors, one of which is the starting cell's color. So traveling along distinct orthogonal-diagonal directions lands at distinct color cells."

I will have to think about this offline and reply at a later date.


Charles Gilman wrote on Tue, Nov 19, 2013 07:25 AM UTC:
"And, the orientation of the hypotenuse is determined by the choice of right-angled orthogonal-diagonal pair."

That is certainly part of what I was hoping someone could prove or disprove. It is self-evident for two orthogonals at right angles on a square-cell board, or even three on a cubic one. It is self-evident for a diagonal and an orhogonal with a 45° turn on a square-cell board. It is even self-evident for two orhogonals with a 60° turn on a hex board. It is however not only not self-evident for a diagonal and an orhogonal at right angles on a hex board, but untrue in the case of an even SOLL. Again taking m diagonal and orthogonal steps, m=1, n=1 gives the same destinations, not just leaps of the same length as by m=0, n=2. Likewise m=1, n=5 gives the same destinations as m=3, n=1. For odd-SOLL leaps I suspect from lack of counterexamples, and for prime-SOLL leaps I strongly suspect, that such duplicate vaules of m and n for the same destination are impossible, but cannot yet prove either. I have now checked all values of m up to 20 and n up to 40.


Charles Gilman wrote on Wed, Nov 20, 2013 07:00 AM UTC:
I can see what you mean now. Intreerstingly while I've been offline I've noticed a pattern that explains why even-SOLL moves can be expressed in more ways than odd-SOLL ones. Taking m as the diagonal and n as the orthogonal, I looked at how the moves can be expressed as two orthogonal moves - p and q steps, say, where p>=q - with a 60° turn in between. Where 3m>n>m, p=2m and q=n-m, which translates into m=p/2 and n=q+p/2. Where n>3m, p=n-m and q=2m, which translates into m=q/2 and n=p+q/2. Where m>n, p=m+n and q=m-n, which translates into m=(p+q)/2 and n=(p-q)/2.

In the first case m must be even, in the second n must be even, and in the third m+n must be even. With an odd SOLL exactly one of these is the case and so only one of the three pairs of equations holds true. With an even SOLL all three are true and so all three pairs work, and not necessarily for the same values of m and n.

In the special case of 3m=n, p and q are equal and the first two pairs of equations are identical. In the special case of m=n, all equations except the second hold and q is zero and m and n both p/2. The missing equation may hold for different values of m and n if p and q are even.


Charles Gilman wrote on Mon, Nov 25, 2013 06:52 AM UTC:
Thanks to all of you for your help clarifying the proof of my connjecture. I have credited you in my Man and Beast 14 update, and I also plan to mention it in pages 17 and 20 of the series. In the latter page I plan to drop the piece names Moses and Heracles in favour of seeing 90° orthogonal-hex diagonal alternators of this kind as "angle-" versions of 30° orthogonal-hex diagonal alternators with the same Even Move Direction. This still leaves those without a unique mapping, and I am thinking about reusing Moses and Heracles for two of them, but I am interested in other ideas for names of more of them.

Loncubs[Subject Thread] [Add Response]
Charles Gilman wrote on Sun, Dec 22, 2013 07:43 AM UTC:
After all the commnewnts latelky about Chu Shogi's Lion and how overwhelming a piece it is it occurred to me to wonder about what kind of a piece a Lion limited to moves comprising steps in particular directions. Are they worth adding to Man and Beast 21? In the following diagrams 0 indicates starting square only, 1 a square reachable in a 1-step move, 2 a square reachable in a 2-step move, and 3 a square reachable in either:

Lion

2 2 2 2 2
 \|X|X|/
2-3-3-3-2
 X|X|X|X
2-3-2-3-2
 X|X|X|X
2-3-3-3-2
 /|X|X|\
2 2 2 2 2
This piece's move can comprise either one King step or two, not necessarily in the same direction, with a choice of capturng or not capturing any piece on the intertnediate square.

Lioncub

2 2 2 2 2
 \|X|X|/
. 1 1 1 .
   \|/
. . 0 . .

. . . . .

. . . . .
This is a Lion restricted to moves comprising forward steps only. This means that it cannot make any move returning to its starting square, including Igui capture. Nor can it capture on a square one rank ahead of its starting square and then move to anoter square on that rank.

Superlioncub

2 2 2 2 2
 \|X|X|/
2-3-3-3-2
 \|X|X|/
2-1-2-1-2

. . . . .

. . . . .
This is a Lion restricted to moves comprising forward and sideways steps only. Unlike the ordinary Lioncub this piece can make moves returning to its starting square, but only via squares on the same rank. This means that it can Igui capture only pieces on its starting rank. Note also that it cannot move to squares on its starting rank after going to a square one rank in front.

Goldlioncub

2 2 2 2 2
 \|X|X|/
2-3-3-3-2
 \|X|X|/
2-3-2-3-2
  |\|/|
. 2-1-2 .
    |
. . 2 . .
This is a Lion restricted to moves comprising Goldgeneral steps. It can Igui capture only orthogonally adjacent pieces. It can move to adjacent squares on its starting rank in two steps, but only if the forward step is the diagonal one and the backward step the orthogonal one, regardless of order.

Silverlioncub

2 2 2 2 2
 \|X|X|/
. 1-1-1 .
 / X|X \
2 2 2 2 2
 \|/ \|/
. 1 . 1 .
 / \ / \
2 . 2 . 2
This is a Lion restricted to moves comprising Silvergeneral steps. It can Igui capture only diagonally adjacent pieces. It can move to adjacent squares on its starting rank in two steps, but only if the forward step is the orthogonal one and the backward step the diagonal one, regardless of order. It cannot move to squares on an adjoining rank in two steps, or to any part of its starting rank in one.

Supersilverlioncub

2 2 2 2 2
 \|X|X|/
2-3-3-3-2
 X|X|X|X
2-3-2-3-2
 X|X X|X
2-1-2-1-2
 / \ / \
2 . 2 . 2
This is a Siverlioncub that can also make sideways steps. It can Igui capture only pieces on a different file. It can move to adjacent squares on its starting rank in two steps, but only if the forward step is the orthogonal one and the backward step the diagonal one, regardless of order.

Lionfiler

2 . 2 . 2
 \ / \ /
2-1-2-1-2
 X X X X
2-1-2-1-2
 X X X X
2-1-2-1-2
 / \ / \
2 . 2 . 2
This is a Lion restricted to moves comprising steps that change file, although two steps can cancel out. Like the Supersilverlioncub it can Igui capture only pieces on a different file. It cannot move to squares on an adjoining file in two steps, or to any part of its starting file in one.

Lionranker

2 2 2 2 2
 \|X|X|/
. 1 1 1 .
 /|X|X|\
2 2 2 2 2
 \|X|X|/
. 1 1 1 .
 /|X|X|\
2 2 2 2 2
This is a Lion restricted to moves comprising steps that change rank, although two steps can cancel out. It can Igui capture only pieces on a different rank. Like the Silverlioncub it cannot move to squares on an adjoining rank in two steps, or to any part of its starting rank in one.

AnandvCarlsen13[Subject Thread] [Add Response]
Charles Gilman wrote on Mon, Dec 23, 2013 07:37 AM UTC:
Initially I was puzzled at George Duke translating "venaison" as "deer", as I understood that venison was not from a word for a live deer but meant meat from a deer hunted with dogs in particular. Eventually I got round to looking it up in a French-English/English-French dictionary, which for the French "venaison" gave only the English "venison" and for the English "deer" only the French "cerf", though adding that "daim" is a one-word translation for the English phrase "fallow deer". I can understand why referring to eating "cerf" might not have caught on in the largely oral society of mediaeval England as it sounded too like "serf", i.e., human livestock. Anyhow, in the case of deer meat the French word for the actual animal did not catch on, merely a word that already meant specifically the meat and even more specifically meat acquired in a particular way.

Loncubs[Subject Thread] [Add Response]
Charles Gilman wrote on Tue, Dec 24, 2013 07:34 AM UTC:
It is true that any one-step piece can have a Lion-like piece extrapolated from it. Here are two more that I overlooked in the original message but strike me as interesting:

Copperlioncub

2 2 2 2 2
 \|X|X|/
. 1 1 1 .
  |\|/|
. 2 2 2 .
   \|/
. . 1 . .
    |
. . 2 . .
This is a Lion restricted to moves comprising Coppergeneral steps. It can Igui capture only pieces otrhogall;y in front of or behind it.

Tilelioncub

2 . 2 . 2
 \ / \ /
. 1 . 1 .
  |\ /|
. 2 0 2 .
   \|/
. . 1 . .
    |
. . 2 . .
This is a Lion restricted to moves comprising Tilegeneral steps. It cannot Igui capture as none of the one-step moves are retractable.

I understood that the Liondog of the larger Shogi variants was simply a Rook limited to moves of up to three steps and could not, for example, capture a piece and continue th moev afterwards. Thgis is certainly the impression that the Tai Shogi page gives. Is this not correct?

By the way, is anyone else having trouble reading the backslashes in the movement diagram? They look fine in the preview, but I cannot see them in the final display of the comment.


Charles Gilman wrote on Wed, Dec 25, 2013 07:28 AM UTC:
Sorry, I meant Queen, not Rook. I can't think why I put Rook. I'll look at the versions on the other variants.

New pieces[Subject Thread] [Add Response]
Charles Gilman wrote on Sat, Dec 28, 2013 07:29 AM UTC:
Daniil Frolov appears to have created a brand new piece in a comment on this page in the analogue to the Mao. All the other analogues - to FIDE, XQ, and even Shogi pieces - are describable in Man and Beast terms. Orthogonal pieces are transformed into Queenwise ones just as they are in my Dual Direction Variants: Rook to Queen, General to King, Cannon to Tank, Point to Princeling, Superpoint to Superprinceling, and Wing to Princess. Diagonal peces are transformed into Knightwise ones: Bishop to Nightrider, Ferz to Knight, and Stepping Elephant to Short-leap Charolais. Knightwise leapers themselves are transformed into compuond leapers: Knight to Bison and Helm to Terrace. Queenwise pieces become the Ace- pieces of Man and Beast pages 08 and 19: King to Aceruler, Queen to Acerider, Gold to Superminiace and Silver to Underace. Evewn the piece into which the Pawn is transformed can be described in Man and Beast 19 terms as a Caddied Pawncross. The Mao analogue had no obvious analogue.

So what might this pece me termed? It might be worth trying naming it nased on its move, which is a radial step followed by an "outward" Knightwise one to reach a Bison destination. The best way that I can think of to illustrate this is by marking destinations as upper-case A-H and the required pass-through square by the equivalent lower-case letter, as follows:

.BA.AH.
B.....H
C.bah.G
..c@g..
C.def.G
D.....F
.DE.EF.
The destinations are clearly Bison ones, but it is weaker than the Bison as the Mao is weaker than the Leaping Knight. It is however stronger than George Duke's Falcon as it has the latter's first-perimeter pass-through square but can leap over second-perimeter pieces.

At fist I thought of combining the Bi of Bison and Fa of Falcon anf came up with Fabian, the name of a fairly famous ancient Roman politician, but then I wondered whether it might be better to go for something with the C and A so that "King followed by outward..." (Kfbo) could be extrapolated to things other than the Knight. Extrapolating based on Falcon would not make sense as Kfbo Camel has Giraffe and Charolais destinations as against the Fantail's Zemel and Charolais ones, Kfbo has Charolais and Antelope destinations as against the Puffin's Charolais and Rector ones, et cetera.

I do have the precedent of a one-off that can't be extrapolated in Workhorse for a Pawned Helm when my name for the Pawned Knight, Challenger, can be extrapolated. Thus a Pawned Zebra is a Zhellenger whereas I have no one-word name for a Pawned Stripe. However I do have the phrase to describe it, and there could me case for changing Workhorse as well - but I digress. back to Daniil Frolov's new piece.

With so many piece names starting with C already I about a Mar- word, modelled on Marshal. Theoretically this could ectrapolated across the board regardless of the SOLL's remainder modulo 4. Thus if for example Kfbo Knight were a Marauder the one with Kfbo Camel would be a Camauder, Kfbo Zebra a Zebauder, Kfbo Giraffe a Girauder, Kfbo Antelope an Antauder, Kfbo Zemel a Zemauder, et cetera.

One thing that this does make me notice, however, is that King followed by outward non-coprime piece is interestng too as its destinations often include coprime ones. Thus Kfbo Dabbaba has Trebuchet/Camel destinations, Kfbo Elephant has Zebra/Tripper ones, Kfbo Trebuchet has Cobbler/Giraffe ones, Kfbo Charolais has Satyr/Gimel ones, and so on. Should I try extraplating to these as well and call them Dabauder et cetera? A problem is that Charolais and Chamois have the same first 3 letters. Should I use 4 letters in the case of the non-coprime ones?

Any further thougts are welcome.


Charles Gilman wrote on Mon, Dec 30, 2013 07:56 AM UTC:
Daniil Frolov has managed it againn in Waterfall Xiang Qi. The analogues to the General and to some but not all Point promotees appear to be entirely new pieces.

The pieces on the middle level and the middle filestack, save for their intersection, are of course standard Xiang Qi pieces, albeit ones able to leave that level or filestack and reach the rest of the board. Of the pieces on the long diagonals of ranks the Guards are Man and beast 01 Viceroys (as acknowledged) and the Eunuchs Man and Beast 06 Stepping Eunuchs, while the Battering rams, Fireworks, and Mules are Brooks, Acannons, and Stepping Nsextons from Man and Beast 12 - the B, A, and N stand for Bishop, Arrow, and Ninja. Interestingly I originally termed the Nsexton a Mule myself until I decided to substitute something more suitable for extrapolation - to Uelf for a Camel analogue, Lfencer for a Zebra one, et cetera (U being for Underscore and L fr Lecturer).

The promoted Hirelings are essentially Fwazirs (F for Ferz) without the backward step. The plain Wazir with no backward step I term a Superpoint, but that will clearly not do for a different piece. Perhaps it should be considered a Super- verion of a notional Cpoint (C for Cross), and so termed a Supercpoint.

The piece at the centre of the end ranks is essentially a royally-restricted version of the compound of the Wazir and Fwazir, and the promoted Lieutenant the compound of Superpoint and Supercpoint. This hints at the possibility of other compounds such as Rook+Brook, Cannon+Acannon, and Knight+Nsexton - alongside the Baron (Ferz+Viceroy) and Elk (Elephant+Eunuch). Any ideas about a naming pattern for these pieces?

The names Battering ram, Firework, Hireling and Mule are not currently in Man and Beast, but Ram on its own is Horn+Point, the forward form of he Besieger, in Man and Beast 01 and Fire- as a prefix indicates the direction of Man and Beast 10's Firegeneral, which is Rumbaba+Heir. Lieutenant I use for Sexton+Lecturer in Man and Beast 05.


Charles Gilman wrote on Thu, Jan 2, 2014 07:00 AM UTC:
Returning to the Octagonal analogue to the Mao, it occurs to me that there are so many possibilities for two successive "outward" moves that there should be a general term. With Gryphon being the oldest example of a two-stage piece and my extrapolations including the Fury, Gorgon, Harpy, Hydra, Lamia, Manticore, Simurgh, and Sphinx I wondered about the first and second stage hyphenated (as with hunter and sniper) followed by monster. Thus the Gryphon would be a Ferz-Rook monster, the Simurgh a Viceroy-Rook monster, and the Contragryphon a Rook-Ferz monster. To give examples with a non-monster name the Anchorite would be a Wazir-Bishop monster and the Farrier a Wazir-Unicorn monster. The compound of two monsters with the same first stage would be thar stage's monster with the compound of the second stages and vice versa, making the Ostler a Wazir-Governor monster and the Rooksheath a Baron-Rook monster. Daniil Frolov's piece is the compound of a Wazir-Knight monster and Ferz-Knight monster, and so a Prince-Knight monster. What would however need a formal definition is exactly what "outward" means.

The best that I can devise is that at the turning point it might go through a radial but not bounce off one. Here are some examples on the FIDE board: Valid Prince-Knight Monster moves include a1-a2-b4, going through the a2-b1 and a2-g8 diagonals; a1-b1-d2, going through the a2-b1 and b1-h7 diagonals; and a1-b2-c4 and a1-b2-d3, both going through rank 2 and file b. They do not include a1-a2-c3, as it bounces off the a2-g8 diagonal; a1-b1-c3, as it bounces off the b1-h7 diagonal; a1-b2-a4, as it bounces off file b; or a1-b2-d1, as it bounces off rank 2. Does this seem a satisfactory and sufficiently rigorous definition?


Charles Gilman wrote on Sat, Jan 4, 2014 07:30 AM UTC:
Yes, I suppose my definition of "outward" would include continuing in the same direction, so what you say does apply to Cannons with he folowing two caveats:

(1) The Korean Cannon can also make an orthognal Grasshopper move without a Rook move following it, whereas the Mao cannot make a Wazir step without then making a Ferz step and so its octagonal analogue cannot make a Wazir or Ferz step without then making a Knight leap. Another way to look at the Korean Cannon is that it makes an orthogonal Cntragrasshopper move preceded by an optional Rook move.

(2) The Chinese Cannon is something more complicated, a divergent piece that can make a noncapturing move only as a Rook but a capturing one only as a Korean Cannon.


Charles Gilman wrote on Mon, Jan 6, 2014 06:47 AM UTC:
It occurred to me to think about the distinction between the compound of two monsters (to continue my proposed usage) and the monster of two compounds. The compound of the Cannon and Arrow is a familiar enough piece, but the full Grasshopper-Queen monster is a distinct piece which can also turn 45° on the cell after the Hopped piece. The Queen-Contragrasshopper monster is yet another piece, which cannot make that turning but can make one on the cell before the Hopped piece.

Chess Geometry[Subject Thread] [Add Response]
Charles Gilman wrote on Mon, Jan 13, 2014 07:08 AM UTC:
While online yesterday morning I caught sight of an image of a genealogy showing a person and their ancestors only, on so small a scale that it could easily have been a Shogi variant camp with twice as many pieces on each rank in a pattern such as:
A-A-A-A-A-A-A-A
-B---C---C---B-
---D-------E---
-------F-------
where the letters are arbitary and no piece has a forward long-range orthogonal move - although B or C might have a forward long-range diagonal move or D or E a forward long-range Knightwise move. It was not however that idea for a square array that inspired me to think further. Instead it occurred to me to have a board with double the numbre of cells per rank, starting with 1. Initially I thought of going up to 16 and having two ranks that size before halving again back to 1, but then I began analysing what sort of cells this generates and I realised that by having just 9 cells on each middle rank I could make all the cells pentagonal. This resulted in the following array:
  ---------------
 |       k       |
  ---------------
 |   q   |   c   |
  ---------------
 | r | n | n | r |
  ---------------
 |p|p|p|p|p|p|p|p|
 -----------------
| | | | | | | | | |
 -----------------
| | | | | | | | | |
 -----------------
 |P|P|P|P|P|P|P|P|
  ---------------
 | R | N | N | R |
  ---------------
 |   Q   |   C   |
  ---------------
 |       K       |
  ---------------
The pieces are the Constrictor, Nadder, Rattlesnake, and Quetzalcoatl as defined in SerPent Chess, together with the Point of Wellisch hex Chess and the King. I rejected using the Boa as it is too weak. Points are promoted to Constrictor, Quetzalcoatl, or Mamba on entering the enemy camp. A Shogi variant would substitute Gold for rhe compound pieces, Silver for Nadder, and Waggle for Rattlesnake, with usual Shogi promotion.

Has anyone got any good ideas for a name for this third pentagonal geometry?


Dream[Subject Thread] [Add Response]
Charles Gilman wrote on Mon, Jan 20, 2014 07:02 AM UTC:
Well it was in a dream that the idea of Chess on a pair of overlapping equal-size square boards came to me - hence Dream Chess 46 and Dream Chess 47. This can also be a seen as one larger square board with a small one removed from each of two opposite corners . In other words the number of squares is 2m²-n² or m²-2n² for different values of m and n - but both with m greater than n.

Regarding counterfactual timelines I note that you write specfically of possible ones. Many authors have written of a world in which the Axis powers won World War 2, but I suspect that the only real alternative to a World War 2 won by the Allies would be a World War 2 still going on today. This is because the Axis powers would always have been after "new worlds to conquer" and would have either bitten off more than they could chew or begun fighting among themselves and been defeated by some surviving outside power. Likewise I cannot see any history in which Judaism would have been the world's main religion, or Islam taken off in a big way without Christianity doing so first, both of which I heard suggested in one edition of a radio series considering counterfactual scenarios.

The most plausible idea that I ever heard of what a world without Christianity would have been like was Carl Sagan's vision of Europe using gunpowder centuries earlier, reaching what we know as the Americas centuries earlier, and producing the industrial revolution centuries earlier. So no Christianity would not only have meant no Islam, but no Aztecs and Incas either! He did not go into detail about what the prevailing religion would be, but my own guess is that religions based on the writings of the Greek phliosphers would be widespread. Aristotelians would perhaps predominate but with Stoics and Cynics and Pythagoreans and Epicureans alongside them. This guess is based on what happened in China.


Lionlike pieces[Subject Thread] [Add Response]
Charles Gilman wrote on Sun, Jan 26, 2014 07:41 AM UTC:
I have been thinking more on the Lion and possible offshoots, this time considering ones that are not enhancements of my Lioncub. One question occurring to me was what intermediate pieces bewtween the Murray Lion and the full Chu Shogi Lion could exist. The leaping Pasha is of course sucn a piece, as the Murray Lion is a leaping Pasha barred from making a noncapturing one-step move. A further intermediate piece that occurred to me was one which like the Murray Lion cannot mix orthogonal and diagonal steps n one moves, but like the full Lion can turn 90° between two steps of the same kind. This I suggest terming the Midway Lion, as it is betwen the two extremes. Midway is also a village where relatives of mine lived many decades ago, near Swadlincote in the Suoth Derbyshire district. Only Ferz destinations can be reached by both one-step and two-step moves, as follows:
2   2   2
 \\ /|\\ /
  3-1-3
 /|\\|/|\\
2-1-2-1-2
 \\|/|\\|/
  3-1-3
 / \\|/ \\
2   2   2
The Midway Lion can in turn be seen as a compound of an orthgonal and a diagonal component, each effectively a Lion confined to each kind of step. For some time I have been trying to devise names of such pieces. Simultaneously I wondered what kind of pieces might suit the names of the imaginary creatures in the first verse of Jabberwocky - Borogove for an orthogonal piece, Rath for a root-2 diagonal one, and Tove for a root-3 diagonal one - and what to call their compounds. Remarkably, only this week did I connect the two trains of thought, naming the Midway Lion's orthogopnal-step(s) component (the Lion's Wellisch and AltOrth hex analogue) the Borogove, its diagonal-step(s) one Rath, and the correspondng piece using steps along root-3 diagonals Tove.

This raised in turn the question of what Lionlike pieces using other mixtures of radial steps might be termed - if the Lion uses King steps, what pieces use Duke and Baron steps? My first thought was to see the Lion as complementary to the Unicorn. No individual step of a Lion move can be in the Unicorn's directions, although a 3d Lion can reach the Unicorn's first-perimeter destinations with a step of each kind at 90° (cubic/hex-prism) or two orthogonal steps at 60° (Tetraheadral/hex-prism). So then I thought about namse to complement the Bishop and Rook respectively. Given that no game designer has managed to use the Rabbit as defined here the name Rabbit might be better deployed as the counterpart to the Lion using Baron steps, in reference to rabbit and rook pie. Thinking of the one using Duke steps was harder - but I persevered as this is the Lion's Glinsky and McCooey hex analogue. It seemed logical to make it a third beast and wondered about Bull, which as well as a beast means a Papal decree, and "bull and bishop" sounded suitably alliterative. Indeed the alliteration would go further with (assuming that Murray and Midway versions apply to all Lionlike pieces) Borogove+Tove=Midway Bull and Rath+Tove=Midway Rabbit. The corresponding pieces for Count, Brassgeneral, and Azuregeneral steps cuold be Bullock, Brassbullock, and Azurebullock, but I am stuck for a diminutive of Rabbit for Heir, Steelgeneral, and Azuregeneral steps. I am also still open to alternative ideas.

Finally the Midway version of a piece could itself be seen as a component of the full piece along with an Alternating version, which would disallow two steps of the same kind within one move. The Alternating Lion is similar to the short-range form of the Double Rhino, but can turn 135° as well as 45°, as follows:

  2   2
  |\\ /|
2-1-3-1-2
 \\|X|X|/
  3-0-3
 /|X|X|\\
2-1-3-1-2
  |/ \\|
  2   2

Charles Gilman wrote on Mon, Jan 27, 2014 07:00 AM UTC:
I still seem to be having some problem with backslashes. I also note that "Tilelioncub" is something of a misnomer for a piece whose move does not include that of the plain Lioncub. Any better ideas for a name? I did wonder wheter a Borogove, Rath, and Tove restricted to moves comprising forward steps should be named after the adjectives applied to the creatures in the poem - Mimsy, Mome, and Slithy, in which case what I misnamed the Tilelioncub might be a Tilemome.

Charles Gilman wrote on Wed, Jan 29, 2014 07:09 AM UTC:
"When you "use html tags", backslashes will be stripped."

I was aware of that in general, I was just a little surprised that it should apply even within a "pre" block, in which no many other special characters such as the return character behave (apparently) normally.


Chess Geometry[Subject Thread] [Add Response]
Charles Gilman wrote on Thu, Jan 30, 2014 07:13 AM UTC:
Taking together the comments
"Pritchard mentions in CECV a game with a similar topologically-pentagonal but geometrically-"doubling" board."
from this thread and
"Pritchard's CECV lists a game "Xyrixa Chess" by David Samuel c.1980 played on this same board (provided I'm reading correctly)."
from the .comments on Tetrahedral Chess, it seems that some Chessboards are more obvious to those who devise Chess variants than we realise when we think of them. Xyrixa is certainly a shorter word than Tetrahedral to describe the 3d geometry with 12 Rook and 6 Bishop directions, and if it is the older name for that geometry perhaps I should use it in place of Tetrahedral in Man and Beast. It would be interesting to know what Mark Thompson thinks. I will however retain the current name for Tetrahedral Shogi, not just because changing the display on search pages takes so long but because it was genuinely inspired by Mr. Thompson's game. Does Xyrixa have any prior meaning, or did Mr. Samuel coin it specifically for the variant?

Lionlike pieces[Subject Thread] [Add Response]
Charles Gilman wrote on Sun, Feb 2, 2014 07:39 AM UTC:
Another question: should I move the Lion and its kin to earlier in the Man and Beast series? If I generalise and it is less of a one-off I can see them fitting in on page 13 or 15. Page 13 would reflect a synergy with Lemurian pieces that goes beyond alliteration, but my first instinct was that page 15 would reflect their strength and complexity better - and has more space. Should I perhaps move Lemurian pieces to page 15 at the same time?

Charles Gilman wrote on Mon, Feb 3, 2014 07:00 AM UTC:
Having reread the relevant pages in detail, and been reminded that I moved my Planetary pieces from page 15 to page 13 within Man and Beast some while ago, I can see that the Lionlike pieces really belong on page 13. I will therefore move them to there when I expand the range of them covered. That just leaves what to call the FO version of the piece that I propose calling Rabbit.

Chess Geometry[Subject Thread] [Add Response]
Charles Gilman wrote on Wed, Feb 5, 2014 07:24 AM UTC:
Ben Reiniger is quite correct, and what he describes is the basis of the dualities between hex or Tetrahedral (alias Xyrixa) and cubic pieces in pages 14 and 18 of Man and Beast. Taking out one Bishop binding of a cubic board converts a cubic piece whose coordinates are 2m Wazir steps at right angles to n Ferz ones into a Tetrahedral/Xyrixa piece whose coordinates are n Wazir steps at right angles to m Ferz ones, and an m+n:m:n leaper into a piece moving along a hex plane. The first gives dualities such as Lecturer/Elf, Effarig/Fencer, and Nurturer/Underscore while the seciond gives dualities such as Fortnight/Sennight, Sustainer/Student, and Votary/Overscore. Ferz/Wazir and Sexton/Viceroy fit both.

Lionlike pieces[Subject Thread] [Add Response]
Charles Gilman wrote on Wed, Feb 5, 2014 07:28 AM UTC:
I noticed that the definition of a Lion includes Multiple-Displacer, and therefore it cannot go before Man and Beast 16, the first page to mention that kind of capture. Therefore I will be moving it to that page.

For an FO Rabbit, would the name Bunny be too kitsch? I know that it is not used exclusively for very young rabbits, but it is one use of the diminutive, especially in the alliterative phrase "baby bunnies".


Charles Gilman wrote on Mon, Feb 17, 2014 07:20 AM UTC:
I am still not entirely happy with Bull for the Lion equivalent making moves comprising Duke moves, and Bullock just FO ones. It is tenuous, the meaning is a bit too close to Ox, and of course it would add further to the many names starting with B. I would still be very interested in a better fit - a word that goes with Bishop as well as Lion does with Unicorn.

CVs_At_ChessBase[Subject Thread] [Add Response]
Charles Gilman wrote on Sat, Mar 8, 2014 07:02 AM UTC:
The page in your link is an interesting one, and might be very plausible if there were not so much information to the contrary - not as regards the India-versus China debate, which I did not notice anywhere on the page at first glance, but as regards how the pieces developed.

The connection between the elephant's leg s and the Rook most ingenious, but it is entirely spurious. The shape of the modern Rook is well documented as originating in the similarity of the Arabic Rukh, from which that piece's English name is derived, and rocco, one of the Italian words for a tower. As Chess reached Europe from an Islamic culture, which shunned representational art, there would be no reason to associate any piece with an elephant from the shape of abstract pieces alone.

A European acquainted with the Arabic language might spot a physical reference to elephants, but it would be in the precursor to the Bishop, which was an abstraction of the (male) elephant's tusks. The clue was in its name of Alfil, literally the phrase "the elephant". Someone with such an education would also recongnise Rukh as meaning a chariot, a quite different piece of military equipment. If the Rook ever really did represent an Elephant it was certainly a chariot by the time Chess began spreading west - and for that matter east.


AnandvCarlsen13[Subject Thread] [Add Response]
Charles Gilman wrote on Sun, Apr 6, 2014 06:26 AM UTC:
I certainly agree about the whaling - but even if the Japanese abandoned whaling altogether I still feel that Whale Shogi is too short-range a game for its theme. Not having its pieces named thematically might make for easier graphics, too.

New pieces[Subject Thread] [Add Response]
Charles Gilman wrote on Thu, Apr 17, 2014 05:55 AM UTC:
For the last year or so I have been catching most episodes of B.B.C. Radio 4's Tweet of the Day, a series of two-minute programmes each about a bird found in Britain and its sonhgs. For this reason bird nasmes have been on my mind and I have come up with three possible bird-based names for pieces. They are Curlew for Albatranker+Curatfiler, Oxpecker for Bitteranker+Oxfiler, and Nuthatch for Rook+Kangaroo. The first two combine the birdiness of the -ranker component with similarity in name to the -filer one, while the last is from the idea of transforming the Squirrel's Dabbaba component - henec the refernce to nuts - from proto-Rook to modern Rook - which is of course itself a bird name.

There are other pieces complementing these, and I have gone for non-board names for these. For Oxranker+Bittefiler I suggest the long-unused Ibex, and for Curatranker+Albatfiler Almoner, meaning a giver of charity often for religious motives. I am not sure about Bishop+Carpenter. i wondered about Nutter, a slang term for a mad person, in reference to the Bishop as Fool, but wondered whether some people might consider this an offensive piece name. If anyone can suggest something better, ideally connected with squirrels in some way (it tansforms the Squirrel's Elephant component from proto-Bishop to modern Bishop) for this piece I would be grateful.


Charles Gilman wrote on Sat, Apr 19, 2014 07:07 AM UTC:
By "non-board names" I of course meant non-bird names, sorry for any confusion. It occurs to me that another two pieces in the Almoner-Curlew-Ibex-Oxpecker group would be the six-direction pieces Quibbranker+Antelfiler and Antelranker+Quibbfiler. An obvious name for the former would be Antagonist, but I am stuck for an Antelope-like beast starting with Q. Any ideas, anyone?

Chess Problems on Rubik's Cube[Subject Thread] [Add Response]
Charles Gilman wrote on Thu, May 22, 2014 05:53 AM UTC:
There are certainly some interesting ideas in there. Perhaps there should be a rule that turning the cube, as a special move, should have certain restrictions. One might follow the example of Castling and insist that (1) a rotation cannot be used to escape Check and (2) a 180° rotation should be made in such a way that the intermediate position does not put the mover in Check. It would also be useful to define exactly what kind of turn is allowed. In the case of a 4x4x4, do you rotate the third plane relative all three others, or the third and fourth relative to the first and second ones?

One slight distraction in this thread was George Duke's "perimetre". At first I thought that it might be a typo, but it was repeated. Then I wondered if it was a typo of mine that was being emulated by others, but I searched my master documents for it and it was not there. The correct spelling is perimeter in British, as well as North American, English. If anyone is interested I can go into more detail.


Charles Gilman wrote on Sat, May 24, 2014 06:14 AM UTC:
Ah, mais oui, l'usage français! Perhaps we ought to refer to George Duke as Georges Duc from now on! No, only joking.

The point on colouring is an interesting one - although I could not see any actual rules about what the square colours signify in Chess on the Rainbow. Of course most colourings would eventually render the game something like Pied Chess in appearance, if not necessarily in rules. One exception would be making every face the same standard odd-side board - making the choices of cube 3x3x3, 5x5x5, 7x7x7 et cetera.

Central Rotation Chess seems a necglected game. An anticlockwise version would be very different due to King/Queen assymetry, and might be worth considering as a subvariant.


AnandvCarlsen13[Subject Thread] [Add Response]
Charles Gilman wrote on Tue, Aug 19, 2014 06:06 AM UTC:
The comments on the Scottish referendum puzzled me, as abolishing the monarchy is no part of S.N.P. plans. The S.N.P. seek to revert to being a separate nation but sharing the same monarch as England, as was the case for the century or so before the union of the parliaments but after the union of the crowns. This reflects the fact tha Scotland is more strongly monarchist than England and Wales, for example Scots law protects royal insignia against use by commoners more strongly than does English law. It is surely no coincodence that God Save the King/Queen denounced "rebellious Scots" who sought to replace a Protestant king with a Catholic one but dared not even mention English rebels who sought to abolish the monarchy altogether - and indeed managed to for a few decades under Oliver Cromwell. Whichever way the referendum goes, the shared monarchy is unlikely to end until, as I hope will happen, English republicans get into the ascendant again.

Charles Gilman wrote on Thu, Sep 11, 2014 06:10 AM UTC:
One theme covered in my variants that Scottish independence would affect is Orders of Knighthood. Only the Scottish government could appoint knights of the Thistle, and only the rump United Kingdonm those of the garter and of St. Patrick - albeit still officially through the same head of state. An interesting question is what would happen about the order of the British Empire - the Scots were, after all, always the keenest on the imperial project.

Charles Gilman wrote on Fri, Sep 12, 2014 06:11 AM UTC:
You have a point about the flag, whih is of course the theme of Unionschach. Just taking out the Scottish bits would be problematic, as it would leave a flag rather reminiscent of the WW2-era Japanese one. Perhaps the best thing would be to go for something completely new and unrelated to the symbols of patron saints, as the Irish Republic did.

Charles Gilman wrote on Sat, Sep 13, 2014 06:30 AM UTC:
Oddly enough I saw something similar to the red, yellow, and black one in a newspaper later in the morning when I had posted my comment. It has two problems. Firstly it still does not completely remove Scotland as the assymetry of the red diagonal bits is based on having both Scotland and Ireland. Secondly to he extent that it does remove Scotland it removes the rest as well, sinve the yellow replaces the white which is supposed to be the backgruond of the English and Irish flags.

The article also gets it wrong about precedence. The most important part of a heraldic composition is the background, and as this is the blue of Scotland it is a Sottish flag with other bits bolted on. This could be seen as a recognition that the first king of both relams ruled Scotland before he nherited England.

Of the flags on the second page linked to, the "Union Jackson" looks quite amusing but would be hard to describe in words - or replicate consistently. Options adding the royal arms are just confusing two strands of imagery. The idea for simply replacing te blue with green is the best of tha bunch, but should be done in conjunction with making the red diagonal bits symmetric to complete the removal of the flag's Scottish elements.


Up for Replacement[Subject Thread] [Add Response]
Charles Gilman wrote on Wed, Sep 17, 2014 06:05 AM UTC:
Since bombaring followers of CVP message threads with a long list of variants of mine that I was considering replacing with newrer and hopefully better-thought-out ones, I have now got it down to a short list of 9 that I would be especially keen to drop. I have even mentioned ny reservations about keeping them in the introductions. They are the following:
3 to the 5
3 player Dabbaba Qi
Epping Forest Chess
Half Shoxiang
Hex Dabbaba Qi
Kamil Crater Chess
Maharajah's Well Chess
Neutral Subject Chess
Sultan's Elephant Chess

Of those nine I would be especially interested to know which ones other CVP members think should go, as well as any that you think I have been too harsh with and should retain.


Charles Gilman wrote on Fri, Sep 19, 2014 06:11 AM UTC:
Actually I was thinking not of minor improvements, which I have carried out on many of my variants, but with completely new variants unrelated to the ones that they would be replacing, much in the way that my page of modest variants replaced Voyager. Sorry if I did not make this clear. The reasons are now included in the pages for the individual variants, and in those marked * below I had placed the theme too strongly ahead of creating a worthwhile and playanble game. In addition:
3 to the 5 was intended to showcase pieces now better showcased by a more recent variant.
3 player Dabbaba Qi and Hex Dabbaba Qi were steps along a path culminating in the much better Trebuqi.
Epping Forest Chess *, Ksmil Crater Chess *, and Neutral Subject Chess are memory-heavy.
Half Shoxiang had a poor response for the original variant and no counterbalancing response for the supposedly better one.
Maharajah's Well Chess * has a very unorthodox board.
Sultan's Elephant Chess * looks like a spoof and coined "Sultan's" piece before I devised a piece actually named the Sultan.

I have wondered about replacing Maharajah's Well Chess with a modest Maharajah v Sepoys variant in which a piece making a long-range move is "in a well" in the sense of creeping back one rank immediately after its move, but am unconvinced of the merits of such a game.


Drop variants[Subject Thread] [Add Response]
Charles Gilman wrote on Sun, Sep 21, 2014 06:20 AM UTC:
One strand of restriction occurs in my Mitregi, in which a player can have no more pieces of a bound type on each binding than were on that binding at the start of the game. For example each binding strats with two Bishop, one per player, and so neither player can ever have more than two Bishops on one binding. When I first posted tha variant I had the harsher restriction of only as many as that player started with on thzt binding, but on seeing the community response I decided to relax it to the current rule. This is mainly because the slacker rule recognises that a player could end up with all the pieces of a given type, making it reasonable to be able to deploy all on each binding that started on that binding. It is also more consistent with Shogi itself, in which each player starts with one Bishop (incidentally starting on the same binding) and a player who manages to get both Bishops is free to deploy them on one binding.

Up for Replacement[Subject Thread] [Add Response]
Charles Gilman wrote on Tue, Sep 23, 2014 05:52 AM UTC:
The reason why I want to get rid of the listed variants is decluttering - clearing out variants that I feel lower the reputation of my contributions overall. They might be part of a personal history but they are not a very interesting or edifying part of it. Grades in internal exams at secondary school are part of people's personal history, but who knows or cares a decade later what anyone's such grades were, however great their later achievements?

The Trebuqi page mentions, and always will, that there were precursors to that game and might even give their names, but I see no need to include the rules of the older games. Most of the rest do not resemble any later or better variant, because they were never even suited to leading to such games.


Charles Gilman wrote on Thu, Sep 25, 2014 06:09 AM UTC:
It appears that at the time I launched this thread I had not posted the "Up-for Replacement" explanations in the introduction to each variant. Sorry for the mix-up, I had edited the master documents but forgotten that I had not uploaded them. I have now posted them and you can all read them on the pages to which the original comment lists links.

The Lost Variant[Subject Thread] [Add Response]
Charles Gilman wrote on Thu, Oct 2, 2014 06:09 AM UTC:
It is still available if you enter the address directly (http://www.chessvariants.org/index/msdisplay.php?itemid=MSneptune) and it can also be reached from links from some of my Man and Beast pages. I agree that it is odd that it is no longer appearing via the index pages.

Charles Gilman wrote on Sun, Oct 5, 2014 11:24 AM UTC:
In case anyone's wondering, the Man and Beast pages with links to Neptune are 01, 09, 19, and 21. Incidentally, I have recently had trouble accessing a different variant. When I go to http://hem.passagen.se/melki9/minixiangqi.htm (for a mini Xiang Qi with no actual "Xiang") I get a 403 error. As Man and Beast 16 has a link to this address it slightly concerns me.

Charles Gilman wrote on Mon, Oct 6, 2014 06:03 AM UTC:
In that case the information at http://www.chessvariants.org/index/msdisplay.php?itemid=MLminixiangqi needs updating. I have updated my own links.

Prefixing convention[Subject Thread] [Add Response]
Charles Gilman wrote on Mon, Oct 13, 2014 05:50 AM UTC:
In this comment, Bn Em asked where adding a prefix Gold- to a piece should simply add the remaiing moves of the general with that prefix. that has never been the general rule, so to speak. In Man and Beast 04 I apply this rule only to pieces that have a uniform move in all the general's directions move of one type. To stick with Gold as an example, the Goldrook builds on a piece with the same move in all its orthgonal directions and the Goldmitre on one with the same move in all its disagonal ones.

Applied to pieces diovergent between forward directions d both kinds, prefixing adds the same kind of move in non-forward directions as the unprefixed piece has in forward directions of the same type. Thus a Goldpawn and Goldyeoman are a Steward and Contrasteward restricted to the Goldgeneral's directions. The Goldsteward is something more complicated still, moving as a Goldgeneral to empty cells but capturing as a Silvergeneral.

Man and Beast 11 extends the first approach to other piece moving in the directions of one of the relevant general's diecrtions, so that Golddabbaba is Dabbaba+Cross and Goldtusk Wazir+Tusk. Applied to pieces with just the forward directions of both components, however, follow the Pawn patter, so that Goldthief is neither Goldgeneral+Thief nor a Thief with the non-forward Wazir moves added but Dabbaba+Tusk. Likewise Goldfaculty is Rook+Tusk and Goldbeak Mitre+Dabbaba.

Prefixing the same article's Pig and Raj pieces is a matter of complementing a component in, in the case of Gold-, either all orthogonal directions or all forward diagonal ones. Thus the Goldsow enhances the Sow's Wazir component, and the Goldsahib the Sahib's Cross component, to Goldgeneral but the Goldboar enhances the Boar's Tusk component, and the Goldmemsahib the Memsahib's Dabbaba cmpomnent, to Goldthief. The Silversow, Silversahib, Silverboar, and Silvermemsahib enhance the other component to the Silver directions. The Goldturtle - which could be defined as Goldgeneral+Silverthief, Sow+Sahib, or Waffle+Fearless - is not even based on an unprefixed Turtle piece.

In summary, the prefixing convention in Man and Beast has never been just about adding the missing moves of the relevant general. A Goldgeneral with the forward orthogonal move extended indefintely but none of the others can also be seen as a Goldsow with its two-step move extended Pocketwise, or the compoumnd of Sowon and Ferzcross. Convenientyl these are two possible interpretations of "Goldsowon", a term that I have not yet formally defined as a piece name but perhaps should. If so it would be in MAB 11 rather than MAB 04.


Charles Gilman wrote on Tue, Oct 21, 2014 06:09 AM UTC:
You are certainly right about the Goldsahibon, Silvermemsaon, et cetera and I should have included them. When I next rewrite this page I will do so.

Regarding the likes of Goldboaron and Silversowon, my first reaction was that you might have a point. What seemed clear to me was that there were not two identical definitions of Goldboaron and its like. What I now realise was not obvious was that there were two obvious definitions at all. The Boaron is a purely diagonal piece, but not a forward-only one, and therefore cannot be made "Gold" simply by adding all Wazir moves. Thinking about it further I can see a justification for interpreting Gold- for the Boaron as replicating on all diagonals only moves of those distances where they are forward-only, as is the case with the Boar. Based on this stretch of meaning they would line up. I will therefore include these on tha basis as well.

It will however take time to complete the rewrite.


Charles Gilman wrote on Wed, Oct 22, 2014 05:57 AM UTC:
Yes, you are quite right.

Predator Chess pieces[Subject Thread] [Add Response]
Charles Gilman wrote on Sun, Mar 8, 2015 03:22 PM UTC:
The problematist usage of Tiger is given on this page, followed by a few pieces that I extrapolated from it. Open question: should Tigercub mean a Tiger restricted to forward directions only?

Charles Gilman wrote on Thu, Mar 19, 2015 08:58 AM UTC:
Oddly enough my Man and Beast page covering the Wolf and Fox - and recently updated to add links to 4 Linepiece Fusion and Missing Ox - also covers the Falcon and some cubic-cell offshoots of it that I devised. As yet I have not used these pieces in a variant. One possibility might be a Flipped-return Nichtschach subvariant called Vogelnichtschach - like Springernichtschach but substituting Falcon for Knight, Vulture for Sexton, Merlin for Churchwarden, Kite for Ninja, Kestrel for Samurai, and Osprey for Oberon.

Regarding owls the next page of Man and Beast, page 14, has those, hough more from the bird aspect than the predatory one. The Barnowl has a SOLL of 39 and the Snowyowl and Tawnyowl 40 - in conjunction with the Flamingo and Stork having 37 and the Crane 40.


What is the purpose of this website?[Subject Thread] [Add Response]
Charles Gilman wrote on Sat, Apr 4, 2015 02:08 PM UTC:
It is inevitable that anyone who invents many variants will accept that some slipped through their self-censoprship net, and I have listed some of my own regrets over the years. Perhaps just as PYO pages currently have "edit" options available to their creator they should have a "delete" option open to them, removing them at least from indexing and ideally from the website altogether. This would add a restrospective quality control, enabling inventors to react to a hostile response or even review a variant in the light of no response whatsoever. This would at least remove variants no longer considered worthwhile by even their inventors.

It would not be perfect ven in this. For one thing it would presumably not apply to pre-PYO pages such as my Great Herd. We're probably stuck with that forever just as we are with the pages for which I have posted updates that no editor has time to update. For another it might mean the loss of some pages whose virtues take time to become apparent. If a self-delete had been available at the time when I posted I'm a Wazir... I might well have dropped it as soon as it had been indexed with a bowdlerised introduction. Not well thought out, not very chess-like, theme-heavy, offensive title, it had nothing going for it in my mind at the time. Yet somehow it proved surprisingly playable. Even so, I think that a self-delete would be a move in the right direction.

A stopgap might be to fix it so that changing the title of a PYO page feeds through immediately to indexing so that it appears under the new name. Occasionally I replace a panned variant with something that I hope will go down better, but the change dpoeas not register in indexing until an editor intervenes. Thus for a while the page of my modest variants was indexed as Voyager, the single unsatisfactory theme-heavy variant that that family of games replaced.


Charles Gilman wrote on Sun, Apr 5, 2015 07:18 AM UTC:
It seems that some of my pages have the wrong link to I'm a Wair, get me out of here. Here is the correct one.

Predator Chess pieces[Subject Thread] [Add Response]
Charles Gilman wrote on Sat, May 2, 2015 09:18 AM UTC:
Regarding the statement "A marauding Elephant could be a predator", there is a game on the CVP site where an army described as "predators" includes a piece referred to as "Elephant". As however it is set in the Antarctic it seems reasonable to assume that this is short for Elephant Seal. As the game is a hex one the piece bears no relation to those more usually termed Elephant.

The Lost Variant[Subject Thread] [Add Response]
Charles Gilman wrote on Sun, May 24, 2015 07:24 AM UTC:
I have just reused the 3 to the 5 page for a variant idea to which the numbers 3 and 5 are still relevant, a changeover that I had been planning for some time, and while I hope that it will eventually appear under the new title the old one will not be that misleading in the meantime. There is, however, no obvious substitute for any of the other eight pages that I am currently interested in withdrawing. In any case, it is easier for someone remembering anoter member's post-your-own to find it if it has a page address based on the current title.

While planning the changeover I read on this thread that editors could mark a page as hidden, or even as deleted, even if pages really cannot be actually deleted. Now I am not asking for anyone to do this to any of my pages just yet, but am interested to know how easily it could be done to order. It does not appear possible to do this in "edit indexing", but were I to put in an update text along the lines of "variant withdrawn - editors please mark as deleted" could I rely on an editor to so mark them?

There is one variant with which I am especially inclined to do this as it will allow me to get rid of an otherwise unused entry in my Man and Beast piece articles. If I get the go-ahead I will take this approach.


Anime shogi variant?[Subject Thread] [Add Response]
Charles Gilman wrote on Sat, May 30, 2015 11:12 AM UTC:
It is not just "likely" inspiored by Shogi, th page explicitly says "The battle takes places on a 9x9 tile board. This is the same board as shogi, gungi’s chief inspiration."

The Lost Variant[Subject Thread] [Add Response]
Charles Gilman wrote on Sat, May 30, 2015 11:14 AM UTC:
Having not had any response to this wquestion, I shall try anyway. You can probably guess which varianth is going first by the updates that I make to other variants first.

1-3-5-10yearsAgo[Subject Thread] [Add Response]
Charles Gilman wrote on Sun, Jun 21, 2015 07:21 AM UTC:
Actually I conceded that someone else had used the Carpenter too under another name, and as with the Caliph my main contribution was a name that could be extrapolated to other oblique directions. Were you thinking perhaps of the Canvasser, which I used in conjunction with the Caliph in Ecumenical Chess? As far as I know it was the first use of that piece.

The Lost Variant[Subject Thread] [Add Response]
Charles Gilman wrote on Wed, Aug 26, 2015 01:07 PM UTC:
Well, over this Spring and Summer I've got rid of the seven variants that I felt least measured up to my usual standard. It made me feel a bit better about ading two new ones over that same period. For the record the casualties are the two Dabbaba Qi pages, Epping (and New) Forest Chess, Half Shoxiang, Kamil Crater Chess, Maharajah's Well Chess, and Sultan's Elephant Chess. I have deleted all record of the content of these pages, so they are gone for good. I am retaining Neutral Subject Chess as well as I'm a Wazir... as other contributors have given such positive responses to them.

The next tranche of variants that I am considering discontinuing are as follows:
Anglis Qi modified to add Cannons and Arrows, which makes for quite a cramped 8x8 board.
Crooked Board Chess, unwittingly covering ground dealt with by other people's older variants.
Emperor's Nobility 3d Latrunculi, a not very Chess-like 3d variant with a complex chain of promotions.
Gateway Chess, another one-off microregional like many of those that have already gone and with awkward not-very-Chess-like extra rules.
Intrusive Squares, unwittingly covering ground dealt with by other people's older variants.
Partnership Mitregi, an 8x8 promotion-free Shogi variant.
Pawn the Brain, originally a showcase for divergent-piece names that I have replaced with a simple prefix for the original Take the Brain pieces.
Sextuple Besiege Wellisch, a hex version of my Quadruple Besiege variants and hard to illustrate.
Square Versus Hex and Xiangcata, two variants whose mixture of geometries forces my Man and Beast to qualifying some pieces "only avaliable in 3d" with "usually".

I would therefore be interested to know what everyone thinks of getting rid of them, and whether anyone rallies to their defence. Crooked Board and Intrusive Squares, in particular, I feel are overdoing what the two Dream Chess pages and L-shaped Chess do relatively well. Pawn the Brain escaped the first tranche of deletions only because it takes up so little memory. Gateway Chess escaped because I am thinking of reusing the name for a cubic-cell variant - still with concavities but with no shopping-related rules - and would be interested to read what others think of my new idea.

The new Gateway Chess would be based on the fact that one large and two small Xiang Qi sets are a good way to get 1 aside of 1 piece type, 2 aside of 6, and 4 aside of 6 more - I have in mind Emperor for the first, Queen/Duchess/Governor/Oberon/Samurai/Churchwarden for the next group, and Rook/Bishop/Unicorn/Ninja/Sextojn/Knight for the last group. Unfortunately it has only 10 aside of whatever Pawnlike piece I would choose, which is why I would envisage the front rank of each camp as a relatively narrow "Gateway".


Charles Gilman wrote on Sun, Aug 30, 2015 02:02 PM UTC:
Having had a positive response to Crooked Board Chess I am happy to retain it - with the removal of both an erroenous reference to Pawn reduction and a Notes section referruig to a very old comment. As my criteria for considering deleting Intrusive Squares were similar I am inclined to retain that one as well.

We need to mobilize[Subject Thread] [Add Response]
Charles Gilman wrote on Sun, Aug 30, 2015 02:07 PM UTC:
It has been brought to mmy attention that some of my tabulated "Setup" sections do not work that well on mobiles. The policy behind them was because monitors for desktops were getting wider and wider and people were increasingly using such monitors with laptops when getting them home or into man office.

Would it be better to stop using multi-ciolumn tables with a view to suitability for mobile phones? If so, I will have to change quite a few of my pages.


Variant Requests[Subject Thread] [Add Response]
Charles Gilman wrote on Sun, Sep 13, 2015 07:20 AM UTC:
I would be interested to see a page on Okisaki Shogi, a 100x10 Shogi variant with additional strong pieces (by Shogi standards) such as the Queen and Knight. I might have posted one myself, but I have never had confirmation of what thet array is. My guess is that both players have the Queen to the left of the King, to balance the positioning of the one Rook and Bishop aside, but that is only a guess.

Double Castling[Subject Thread] [Add Response]
Charles Gilman wrote on Sun, Sep 20, 2015 09:27 AM UTC:
Michael L.'s recent variant Latte Chess introduced - as far as I know - the concept of a King Castling with more than one Rook on the same side of it. I would be interested to know what others think about this idea and whether it would be worth extending to other variants. There have been a few games with multiple Rooks, or at least pieces whose main move is the Rook move, some way each side of the King - so not including the Queen so often adjacent to it. Such games range from the historic variant Duke of Rutland's Chess to my own Nearlydouble Chess, and it is slightly surprising that no-one has thought of Double Castling before - unless I have somehow overlooked it. If it gets a good response I might apply it to Nearlydouble - and expand on how Castling would be notated in that variant while I am at it.

Charles Gilman wrote on Mon, Sep 21, 2015 07:19 PM UTC:
4 of each basic piece, 2 of each double compound, 1 triple compound? I stopped the Knights getting too weak by cramming them onto a 10 by 10 board. Oddly enough that variant does not have them all lined up, but I suppose it could be rearranged to line them up in order to introduece double Castling. You have given me more to think about now. Hpw about haviong all the Rooks and rook compounds on the King's rank - something like RRMQAKQMRR and NNBBDDBBNN - and which should be in front of which?

Variant Requests[Subject Thread] [Add Response]
Charles Gilman wrote on Sun, Nov 8, 2015 09:52 AM UTC:
Sorry, that should have been 10x10, not 100x10. The latter size would be
too large even for me - including in the 3d sense of a cube of side 10.

We need to mobilize[Subject Thread] [Add Response]
Charles Gilman wrote on Sun, Nov 8, 2015 09:54 AM UTC:
I eventually decided to get rid of tables altogether and just show diagrams above and below each other and text. This not only (hopefully) makes the pages better suited to mobile devices, it addresses display issues that I found on traditional computers, and it reduces total memory used, whereas a more complex solution would increase it. The variants that I have carried it out on so far are:
12 Sharp Chess;
16 Seasons;
2 Jewels;
2 Level Guru Mahachaturaji;
3 Level 4 Player variants;
3 Player Honeycomb;
4 Faces;
4 Linepiece Fusion;
Armies of Faith 1/2/3/4/5/6;
BacCanCat;
Brookschach;
Chaturanga with minor changes;
Commedia dell'Arte Chess;
Compact Hex;
Cornucopia;
Courier Leapale;
Crossover-piece Dual-dircetion variants;
Crouching Stepper... ;
Diamond Ring Chess;
Double Cross Besiege;
Fimbriated Chess;
Flyover Xiang Qi/Shogi;
Gutenschach;
Half Nearlydouble;
2 and 3 dimensional Herichess;
Hourglass Hex Chess;
Irwell;
Larger Wildeurasian Variants;
Lengthleaper Chess;
Mini Fivequarters;
Mitred Framing 1/2/3;
Nested Chess/Xiang Qi/Shogi;
Notchess;
OctHex 146;
Pass Variants;
Proto Prelates;
SerPent;
Shoxiang 108;
Small Game Nearlydoubles;
Stock Goes East 49 Files;
Taijitu Qi;
Tardis Taijitu;
Tee Garden Shogi;
Tetrahedral Shogi;
Turn Qi;
Twin-board Ecumenical Chess;
Weltschach;
Westfield Chess;
Yo[n]o Shogi;
Yoto.

Any of you who have seen these in the old form and dismissed them as badly designed might wish to revisit them now that the tabulation issue has been ironed out.


The Lost Variant[Subject Thread] [Add Response]
Charles Gilman wrote on Sun, Nov 8, 2015 01:37 PM UTC:
I have reached the point where I particularly wish to decide what to do with Anglis Qi modified to add Cannons and Arrows, and therefore seek the guidance of other contributors. I could de-tabulate the page leaving the variants as they are, drop some variants and keep the rest at the same time, or just discontinue the entire page. Enlarging the board would encroach too much on other contributors' variants. As it might be difficult to judge before the page has been edited, I include the arrays below in alphabetic form, where A=Arrow and C=Cannon:
Anglis Taijitu
rnbqkbnr
ac----ca
--------
--------
--------
--------
AC----CA
RNBQKBNR

Yanglis
rnbqkbnr
pcpaapcp
-p-pp-p-
--------
--------
-P-PP-P-
PCPAAPCP
RNBQKBNR

Anglis Eurasian
rc-aa-cr
-nbqkbn-
pppppppp
--------
--------
PPPPPPPP
-NBQKBN-
RC-AA-CR

Anglis Hindcannon
-c-aa-c-
rnbqkbnr
pppppppp
--------
--------
PPPPPPPP
RNBQKBNR
-C-AA-C-

Anglis Midcannon
rnbqkbnr
c--aa--c
pppppppp
--------
--------
PPPPPPPP
C--AA--C
RNBQKBNR

Anglis Forecannon
rnbqkbnr
pppppppp
-c-aa-c-
--------
--------
-C-AA-C-
PPPPPPPP
RNBQKBNR

We need to mobilize[Subject Thread] [Add Response]
Charles Gilman wrote on Sun, Nov 22, 2015 08:18 AM UTC:
Single-images arrays have always been a very last resort for me, as they are so inefficient. The advanmtage of a separate image for each cell is that just 28 distinct images can be used to illustrate any possible FIDE game from end to end. A stored single image of the same resolution requires the equivalent of more than twice that for just the array position, The Cyclohex array image takes up 104 kilobytes, far larger than the text of any variant, and I would hate to illustrate a whole game of that. Another problem with single-image array files is that the mechanism for loading them does not always work. It did not, for example, when I tried to post such a file for VeCoTha in place of tabulated multiple images, and instead I had to resort to an emergency Ascii Art diagram. In case anyone asks, there is never any error warning, it just shows as an invalid image on-screen after I edit the page to incorporate the image.

Of course doing multi-image diagrams raw has its costs as well, which is why I emphasise stored. That is where ffen diagrams come in, as regards traditional computing. As far as the HTML document is concerned it is a calculated image, taking up not much more space in the text of the page than a single image but without an image file's use of memory outside the text of the page either. As far as a large enough screen is concerned they also behave like a single image, at least if nothing else is on the same line, and desktop monitors have been getting bigger all century. The problem is how they behave on the mobile devices to which this thread's title refers - and I am guessing that Ascii Art is not very mobile-friendly either.

Now there are various facilities for playing many of the variants on these pages, and I would be surprised (and indeed disappointed at the capabilities of programming) if they generated an image file for every position that ever came up. In terms of more typical programming, It would be the equivalent of every control on a Visual Studio form replicating the entire definition of tha control. What I do not know is how the playing facilities stand up to use on a tiny screen. If they can be made to behave as single images even on-screen, surely something can be done somewhere along the line that can be done to make ffen diagrams do so as well. It would be a shame to lose such a useful shorthand for want of it functioning on mobile devices.


Charles Gilman wrote on Sun, Nov 22, 2015 08:20 AM UTC:
Sorry, that link went wrong/ It should be Cyclohex.

Charles Gilman wrote on Thu, Dec 17, 2015 07:54 AM UTC:
It is good to see a virtual single image generator up and running <a href="/play/pbm/diagram-designer.php">here</a>, but I have a few questions. <p> Firstly, is there any way of arranging cells other than in a parallelogram? Some square-cell variants have multiple concavities, generally arranged symmetrically, and most hex variants are arranged on boards that are themselves hexagonals. Can it be domne with a symbol for an absence of cell, perhaps? <p> Still on the subject of hex variants in particular, when I select a hex geometry I get cells of just two colours rather than the three that I would expect - despite there being three colours specified by default. <p> This moves me on to the colours of pieces themselves. Can <i>they</i> be displayed in more than two colouyrs, to represent lrager numbers of players? <p> Finally, can Rivers be shown, and if so are they shown only between two ranks or can more complex arrangements be shown?

Charles Gilman wrote on Mon, Dec 21, 2015 07:37 AM UTC:
So far, so good. I have devised the array diagram<br><IMG SRC="/play/pbm/drawdiagram.php?code=1sruut-----2sxumj----3siljj---4ssixr--6ssss-11-SSSS6--RXISS4---JJLIS3----JMUXS2-----TUURS1&cols=11&font=Optima&set=small&shape=vhex&bcolor=FFFFF0&board=201.012.120.&colors=olive+darkkhaki+darkolivegreen&tcolor=000000"><br>for the Mishling form of <a href="../index/msdisplay.php?itemid=MS4linepiecehexc">4 Linepiece Hexes</a> (and similar for variants with subsets of the pieces). For other versions I can use C for the Waitress, D for the Shammes, and E and V for their Contra- pieces. <p> Unfortunately I am not sure that an attempt to update the page would work well as I have started encountering a 403 error when I have entered my changes and click to get to the next page of the update process. I am posting from a dfferent computer, but I cannot see any difference in the settings. It seems to happen only when the box edited has a large amount of text, as I have managed to post with less text, even from the new computer. Has anyone any idea why this might be happening? Has some limit been reached that has come in recently, or that includes past edits, or even comments? If one of the latter two, is there any way that editors could "cleanse" it of any past material that might be affecting it?

Charles Gilman wrote on Tue, Dec 22, 2015 10:21 AM UTC:
I had a word with someone who knows about the set-up on the computer that I'm using, and his first thought was that it was because the broadband was too slow - it's a temporary connection while the faster one is being fixed. However, more than a year ago I had no problem uploading even bigger amounts using dialup. Can anything have changed over 2015 that would make it harder to upload for a given capacity - for example, might a particularly dramatic increase in internet traffic be the issue? <p> One new feature that I noticed was a spellcheck. Could this be affecting things, particularly on pages with a lot of unrecognised words in them?

Charles Gilman wrote on Wed, Dec 23, 2015 07:39 AM UTC:
The computer on which I am getting a problem has Internet Explorer 11, and all the ones from which I posted successfully had older versions of Internet Explorer. It is nothing to do with graphics, as the pages on which I identified the problem are ones without any images on them.

Trouble making submissions[Subject Thread] [Add Response]
Charles Gilman wrote on Tue, Jan 5, 2016 07:44 AM UTC:
This seems the logical thread to continue the discussion started <a href="http://www.chessvariants.com/index/listcomments.php?subjectid=422706f7808776e0">here</a> as it exactly describes what I have encountered. I have not yet had an opportunity to try updating on a different computer, but I hope to do so soon.

Charles Gilman wrote on Tue, Jan 5, 2016 07:48 AM UTC:
What I have just noticed is that the comments are appearing twice at the foot of the page. I do not know whether this is significant, but it is an anomaly and detracts from the page's appearance.

The Lost Variant[Subject Thread] [Add Response]
Charles Gilman wrote on Tue, Jan 5, 2016 07:51 AM UTC:
I am adding <a href="../index/msdisplay.php?itemid=MSvecotha">VeCoTha</a> to the list of variants which I am considering discontinuing. It got hostile reviews from the start, and it would give me an excuse to eliminate the Halter from Man and Beast (assuming that I can edit the relevant pages). I do not recall anyone else taking up this method for limiting Nightrider and Rose strength. <p> The final straw was when the tabulation that I originally used to display the array diagram had stopped working properly by the time that I reviewed it. I did not fancy writing out 113 images required for a ffen-lookalike diagram, and so decided to resort to a 2kb single image. My attempt to post this failed so I had to resort to Ascii Art, and it then occurred to me that if the best way to represent a variant was by an actual single image it might be a sign that the array is too complex. If ffen could display Rivers, between files as well as between ranks, it might have been a different matter. If a virtual single image generator could display them it would be even better but it seems that the first such system cannot. <p> So my list of up-for-deletion variants currently stands at: <br><a href='../index/msdisplay.php?itemid=MSanglisqimodifi'>Anglis Qi modified to add Cannons and Arrows</a>, which makes for quite a cramped 8x8 board. <br><a href='../index/msdisplay.php?itemid=MSemperorsnobili'>Emperor's Nobility 3d Latrunculi</a>, a not very Chess-like 3d variant with a complex chain of promotions. <br><a href='../index/msdisplay.php?itemid=MSgatewaychess'>Gateway Chess</a>, another one-off microregional like many of those that have already gone and with awkward not-very-Chess-like extra rules. <br><a href='../index/msdisplay.php?itemid=MSpartnershipmit'>Partnership Mitregi</a>, an 8x8 promotion-free Shogi variant. <br><a href='../index/msdisplay.php?itemid=MSpawnthebrain'>Pawn the Brain</a>, originally a showcase for divergent-piece names that I have replaced with a simple prefix for the original Take the Brain pieces. <br><a href='../index/msdisplay.php?itemid=MSsextuplebesieg'>Sextuple Besiege Wellisch</a>, a hex version of my Quadruple Besiege variants and hard to illustrate. <br><a href='../index/msdisplay.php?itemid=MSsquareversushe'>Square Versus Hex</a> and <a href='../index/msdisplay.php?itemid=MSxiangcata'>Xiangcata</a>, two variants whose mixture of geometries forces my Man and Beast to qualifying some pieces "only avaliable in 3d" with "usually". <br><a href="../index/msdisplay.php?itemid=MSvecotha">VeCoTha</a>, for the reasons given above.

Trouble making submissions[Subject Thread] [Add Response]
Charles Gilman wrote on Wed, Jan 6, 2016 07:40 AM UTC:
I have just noticed that old-style pages are displaying comments, so it might be that mechanism that is causing PYOs to display them twice. If anything that suggests that it less likely to be connected with the issues in posting updates, but it still makes for a lot extra being displayed on the page.

Charles Gilman wrote on Mon, Jan 11, 2016 07:40 AM UTC:
Yesterday I got to the computer from which I had made successful updates, but unfortunately I could not try it out because the mouse was not working properly and there was not another one easily accessible that could be substituted. I still cannot post the updates that I want to from th computer that I am currently on.

The Lost Variant[Subject Thread] [Add Response]
Charles Gilman wrote on Tue, Jan 12, 2016 08:14 AM UTC:
I have realised since my last posting on this thread that Anglis Qi Modified has already gone, and I have decided to get rid of the following variants next: Pawn the Brain, Sextuple Besiege, VeCoTha. Gateway Chess I will retain as a page, but plan to change into a 3d, but nevertheless more Chess-like, variant.

Korean Chaturaji[Subject Thread] [Add Response]
Charles Gilman wrote on Mon, Jan 18, 2016 07:53 AM UTC:
The layout of my Flyover Xiang Qi can be extended to 4-player versions of other nine-file-by-ten-rank variants, but Chaturaji suggests a very different kind of variant, with one aside of most pieces arranged on a square board. It is an idea that I myself applied to Shogi , but I declined to try it to variants where the two-player game itself uses a boards with differing numbers of ranks and files. If anyone has applied the Chaturaji principle to such games I would be equally interested to know.

Charles Gilman wrote on Wed, Jan 20, 2016 07:55 AM UTC:
The combination of this thread and Undenary Chess makes me realise the possibility of the Chaturaji and Nearlydouble principles cancelling out to produce the following 4-player array retaining the FIDE pattern of each army's relative starting positions:

Charles Gilman wrote on Fri, Jan 22, 2016 08:31 AM UTC:
That's true now that I look at it more closely to check that I had not missed anything. At first I thought that (expressed in terms of just two of the players) 1PN3 NxP 2RPxN RxR would cover it, making the danger to left Rooks ultimately dangerous for right Rooks, but I had overlooked 2 BPxN, which does indeed leave the left Rook unable to escape. How about the following?

Both Castlings would take place the same side of the King, depending whether the inner Rook was still there.

Trouble making submissions[Subject Thread] [Add Response]
Charles Gilman wrote on Mon, Jan 25, 2016 07:44 AM UTC:
I am still having trouble posting updates, including to some variants as well as piece articles. The issue of updating variant pages has become more urgent as I have noticed that I cannot see ffen diagrams from the computer on which I am currently going online and was hoping to replace them. Even had there been no problem updating, it would take some time to replace them all, and I would be interested to know if this problem is due to my change of computer or the move of website, If it is the latter, then for all the shortcomings of these diagrams this needs fixing in the interim before I (a) am able to edit all my pages properly again and (b) I have the time to carry them all out.

For the record, in case an editor has time to make - and better success updating - the changes, the intention was to replace the three ffen diagrams on the Nearlydouble Chess page with the following virtual images respectively:


Charles Gilman wrote on Tue, Jan 26, 2016 07:33 AM UTC:
You're quite right! I had to change the JavaScript setting for an entirely different reason and it has the side-effect of making the diagrams visible. Oh, well, that panic at least is over.

Charles Gilman wrote on Tue, Jan 26, 2016 07:40 AM UTC:
What it does not fix is my inability to edit certain pages. One that I did succeed with was Flyover Xiang Qi, on which I moved some text from the Notes to the introduction to move the array diagram lower down. I notice that it did not have any comments, whereas the pages that I have failed to edit do have some, so it looks like comments might be part of the issue.

Charles Gilman wrote on Thu, Jan 28, 2016 08:08 AM UTC:
Well I have no trouble editing Hourglass Hex Chess, which is a bigger file than Nearlydouble. Unfortunately that appears to demolish both our theories, as Hourglass Hex has comments as well!

When my attempt to edit fails I get error 403. When it is successful a garbled version of the variant appears on the next page - but with the "view submission" link at the bottom so that I can continue to the page as edited.


Multiple=letter piece codes in Diagram Designer[Subject Thread] [Add Response]
Charles Gilman wrote on Tue, Feb 2, 2016 07:48 AM UTC:
I notice that some piece sets in the Diagram Designer, such as Alfaerie - Many, have pieces identified by multiple letters. How are these deployed in a diagram? I tried putting the entire sequence in parentheses, which is how I am used to other systems doing it, but this did not work and instead treated the parentheses as "unrecognised piece" characters. I could not see the correct way described anywhere on the page.

Charles Gilman wrote on Fri, Feb 5, 2016 07:37 AM UTC:
Yes, that works on the whole - although it does mnot seem to work with the coloured images in this set. This is unfortunate as I am particularly keen to use the Diagram Designer on variants with more than 2 players. It also has the oddity, I noticed at the same time, that upper case gives black pieces and lower case white ones, even thouugh the image list gives the more usual reverse. This should be fixed one way or the other, to make it consistent and make usres sure that it will noit be changed again after a diagram is posted.

Charles Gilman wrote on Mon, Feb 8, 2016 10:30 AM UTC:
Excellent, it works (as demonstrated in my update to Neutral Subject Chess) - although I notice that the "update" button converts the braces in the original list into %7B and %7D in the final full diagram code, and that is how I pasted into the submission. Is this expected behaviour?

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