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Overprotection Chess. If an attacked piece is more often defended than it is attacked, it gains extra powers. (8x8, Cells: 64) [All Comments] [Add Comment or Rating]
Peter Aronson wrote on Wed, Apr 10, 2002 05:01 AM UTC:
Changes made as best I understood. <p> Alas, the Happy Editor song can never be written down or recorded, lest the secret society of web editors silence y

Slanted Escalator Chess. Chess on an asymmetric board with interesting connectivity. (8x8, Cells: 60) [All Comments] [Add Comment or Rating]
💡📝David Short wrote on Wed, Apr 10, 2002 05:22 AM UTC:Excellent ★★★★★
gnohmon, you're wrong about a few things. first of all,
while black rooks can control double files if they are on the
a,b,g, or h files, a white rook on the b-file would control
both the a-file and b-file, and likewise a white rook on the 
g-file controls both the g-file and h-file. Download the ZRF
and you'll see. 

Bishops may seem weak but they may yet have a purpose in the game.
It may be true that their ability to penetrate the other side of
the board and attack is more difficult, but they'll still be
pretty good as stay-at-home defenders. Note however that white
bishops at a3 or h3 control very long diagonals (bishop at a3 
attacks e8, bishop at h3 attacks d8)

and while black may be able to control the outside files with
his rooks faster, white should be able to occupy the escalator
squares more quickly. In order that white does not get an overwhelming
advantage in the game, I gave black the first move. Time will tell
if the game is balanced sufficiently or not.


Incidentally, if anyone who has ZILLIONS OF GAMES would like to
play either SLANTED ESCALATOR CHESS, or SPINAL TAP CHESS

http://www.chessvariants.com/large.dir/spinal-tap-chess.html

or both, with me by email, drop me a line at [email protected]
We can email each other the notation and record and save our games
with ZILLIONS. 

What I really like about SLANTED ESCALATOR CHESS is that not only
is there interesting connectivity around the board, but that it's
going to be a bit challenging for each side to try to navigate the
board to get to the other side and get a good attack going. 
Should make things very interesting!

gnohmon wrote on Wed, Apr 10, 2002 05:40 AM UTC:
Um, okay, but Black has 2 doublings on each flank and W only one; and
1...a7-b6 already exploits a doubling to tie W down a tiny bit. 

Have you considered slanted escalators on a 9x9 board?

On the 8x8 board, it seems to me that the clumsiness of Bishops should be
regarded as an opportunity to find some other piece that fits the game
better. Perhaps not as strong as a Rhinorider.

Pieces have to use their own movement powers, so isn't it more of a
staircase than an escalator? And so wouldn't ascending pieces get tired?

It's too late at night, I'm getting silly.

Tron Chess. Every square passed by the queen creates a wall that hinders movement. (8x8, Cells: 64) [All Comments] [Add Comment or Rating]
Robert Price wrote on Wed, Apr 10, 2002 11:57 AM UTC:
The trouble with my Zillions implementation is, a piece that captures a
Wall disappears until you make the board redraw itself.  When the computer
plays against itself, it's not a problem.  But when a human captures a
Wall, he needs to hit Ctrl-F twice or something.  It would be an easy, easy
thing for Zillions Development to fix.

I guess it's my own fault for trying to make two boards, one on top of the
other.  I just thought it would be more elegant that way.

💡📝Adam Norberg wrote on Wed, Apr 10, 2002 12:08 PM UTC:
Don't use two boards... I suggest you download Rubble Chess (another one of
my inventions, Z'd by Peter Aronson) and take it apart to find out how it
worked. All you need to do is make variants of it where the <foo> leaves
behind Rubble Pieces, for <foo> being any chess piece. (I don't think pawns
would work very well, but...) You can also make special starts where the
board starts full of walls (rubble chess start), etc...

--Adam

Anonymous wrote on Wed, Apr 10, 2002 01:10 PM UTC:
Leaving rubble pieces behind as the TronQueen slides is the problematic
part, because (and I've run into this problem again and again) there's no
(direct) way to generate a move that creates more than one piece.

The solution that leaps to mind is to have so-called 'empty' squares be
dummy pieces with no images, and turn multiple ones into Walls at the
appropriate time (which is also problematic, but doable).  That's probably
what I'll have to do, but it means reimplementing all the Chess moves so
that chess pieces are trading places with dummy pieces instead of moving to
empty squares.  Capturing means trading places with the captured piece and
turning it into a dummy.  There are lots of things that could go wrong and
strange bugs that would surface.

The two-board approach meant that the dummies could cover the underboard
while the chess pieces moved about on the overboard.  When you play the
game, you only see one board.  The second board occupies the same pixels. 
It's just an implementation device.

Chigorin Chess. White has knights instead of bishops and a chancellor for his queen; black has bishops instead of knights. (8x8, Cells: 64) [All Comments] [Add Comment or Rating]
Tony Paletta wrote on Wed, Apr 10, 2002 02:21 PM UTC:
My comment that Black was ahead was based on R+B vs R+N multiplied by pawn promotion. The B vs N is probably just a wash -- maybe giving White some early play but moving towards Black in mid-end play.

Slanted Escalator Chess. Chess on an asymmetric board with interesting connectivity. (8x8, Cells: 60) [All Comments] [Add Comment or Rating]
Tony Paletta wrote on Wed, Apr 10, 2002 02:40 PM UTC:
Agree with gnohmon that there is an imbalance. Suggest reversing e-side escalator and transposing one side's royals (e.g., Kd1 and Qe1).

Monochromatic Chess. Pieces remain on squares of the same color. (8x8, Cells: 64) [All Comments] [Add Comment or Rating]
Peter Aronson wrote on Wed, Apr 10, 2002 08:10 PM UTC:Excellent ★★★★★
Here's an amusing possible solution to the problems with this variant: combine it with <a href='../other.dir/alice.html'>Alice Chess</a>. <p> Here's how it might go. You add a second board, like in Alice Chess, except the 2nd board has reversed checkering: a1 is white, not black. When a piece's move would otherwise cause it to move to a square of a different color, it instead lands on the equivalent square of the other board. Thus Knights always switch boards when they move, and Bishops never switch boards. <p> There are a number of ways to handle switching boards: <p> <ul> <li>Alice Chess-style. The move on the board on which the piece starts must be legal as in orthochess, and the square on the other board must be empty.</li> <p> <li>The Plunge. A piece moving to another color may only to move to a square that is empty on their current board, then they plunge through the board to the equivalent square on the other board, capturing any opposing pieces they land on, except for Pawns who may not plunge to occupied squares.</li> <p> <li>The Switch-a-roo. A piece makes a normal orthochess move on the board on which it starts, and then, if the destination square is of a different color than the piece's starting square, it moves to an equivalent position on the other board. If the space on the other board is occupied, then the piece occupying that space is moved to the space just landed on on the board that the moving piece started on. This version actually allows Bishops on the 2nd board.</li> <p> <li>The Last Square. The piece's move is as normal, except that if the piece would land on a color of square different from which it started, the last square of its move is the equivalent space on the other board, and the move does not pass through what would be the final square of its move in orthochess. The last square on the board on which the board-changing piece moved from may be occupied by a friendly or opposing piece -- it doesn't matter as the moving piece does not pass through it. </ul> <p> I don't know which would be best.

The Game of Nemoroth. For the sake of your sanity, do not read this variant! (8x8, Cells: 64) [All Comments] [Add Comment or Rating]
ben wrote on Thu, Apr 11, 2002 07:15 AM UTC:Excellent ★★★★★
Question: can a wounded friend move over (but obviously not stop on) a
square occupied by a mummy?  i am not sure.

if anybody wants to try this game with me by email, send to
[email protected]

Feeble Chess to Weakest Chess. Some Chess variants with weaker pieces. (8x8, Cells: 64) [All Comments] [Add Comment or Rating]
David Howe wrote on Thu, Apr 11, 2002 01:02 PM UTC:Excellent ★★★★★
I wish I had thought of this! The idea of finding the weakest possible pieces that still provide a chess-like game is inspired. For some reason, it reminded me of my attempt to create a <a href='../newideas.dir/construction.html'>chess variant construction set</a>. The concept of a flipping move to switch between capture-only and move-only is something I never thought of. On the whole, a well-thought-out, and aesthetically pleasing game. I must try it out sometime!

Chigorin Chess. White has knights instead of bishops and a chancellor for his queen; black has bishops instead of knights. (8x8, Cells: 64) [All Comments] [Add Comment or Rating]
gnohmon wrote on Thu, Apr 11, 2002 03:33 PM UTC:
Okay, but I don't believe that the Chancellor is worth less than the Q. The
midgame forking power of a piece that moves in 12 directions is quite
amazing, the Chancellor has exceptional ability to save an inferior game by
giving perpetual check, and finally,

the drawn cases of K+Q versus K+P are wins in the endgame K+NR vs K+P.

Of course there are positions that favor the Q, but all in all, my
experience says they are equal.

The Game of Nemoroth. For the sake of your sanity, do not read this variant! (8x8, Cells: 64) [All Comments] [Add Comment or Rating]
gnohmon wrote on Thu, Apr 11, 2002 04:08 PM UTC:
A Wounded Fiend (not 'friend' unless you are a truly scary creature) is
impeded by mummies, as indeed a Rook would be. Notice also that it cannot
retrace its steps because of its own ichor, and therefore, as Azgoroth once
said, 'carries within it the seeds of its own destruction'. (The endgame
where each side has one Wounded Fiend and nothing else can be quite
interesting.)

This game is tough to get used to. For a while I thought I had made a major
rules error, but in fact when a Leaf Pile engulfs, the mummy does not
appear until it moves on, and so the Leaf Pile is vulnerable to being
engulfed by an enemy Leaf Pile. If it were not so, the first player would
attack with Leaf Pile (engulfing his own Human for greater speed) and win
by force.

Feeble Chess to Weakest Chess. Some Chess variants with weaker pieces. (8x8, Cells: 64) [All Comments] [Add Comment or Rating]
gnohmon wrote on Thu, Apr 11, 2002 04:15 PM UTC:
I am grateful for your effusive comments.

There will be more on the subject, as I like the game and have analyzed the
Weakest K versus Weakest King endgame -- it was very interesting.

But at the moment, I've gotten out a chessboard and some coins (with which
to mark mummies and statues) and am studying the play of the Game of
Nemoroth.

Doug Chatham wrote on Thu, Apr 11, 2002 04:56 PM UTC:Excellent ★★★★★
If we created higher dimensional analogues of the Feeble/Weak/Weakest
pieces, would we be able to make a playable higher-dimensional CV with them
(perhaps even a Chess For Any Number of Dimensions)?

The Game of Nemoroth. For the sake of your sanity, do not read this variant! (8x8, Cells: 64) [All Comments] [Add Comment or Rating]
gnohmon wrote on Thu, Apr 11, 2002 08:51 PM UTC:
Oops. It seeme I misremembered what the Spirit told me in my dream, for
when I tried to play the game it was too easy to end up in an impasse with
no good way to break it; and the reason was clearly that the Go Aways were
not performing their intended role.

Then I tried a few games in which the Go Away moved by leaping two squares
Rookwise or by moving one square diagonally, and things seemed to work much
better -- in fact, just about exactly right, in conformance to the original
vision of the game.

It is funny how the Wounded Fiend seems to be such an unimportant piece,
when it was the original inspiration for the game.

Under 'Interactions', it should be added that

'Leaping pieces can cross unharmed a square seen by a Basilisk, for their
talons never touch the ground and therefore the Basilisk does not see
them.'

The interactions are so complicated! I need to make a chart to see if I
left anything else out.

Feeble Chess to Weakest Chess. Some Chess variants with weaker pieces. (8x8, Cells: 64) [All Comments] [Add Comment or Rating]
gnohmon wrote on Thu, Apr 11, 2002 08:53 PM UTC:
Because they are so weak, the Feeble/Weakest pieces would do well on a 3x3x8 board, I think.

The Game of Nemoroth. For the sake of your sanity, do not read this variant! (8x8, Cells: 64) [All Comments] [Add Comment or Rating]
The Editor in Yellow wrote on Thu, Apr 11, 2002 09:05 PM UTC:Excellent ★★★★★
Addition to Interactions made as requested. Did you also mean to add a diagonal step move to the Go Away? <p> <br> <i>(Fnord)</i>

gnohmon wrote on Thu, Apr 11, 2002 09:11 PM UTC:
Under 'compelled Moves', there should be a final notice that 

'Sometimes it is possible to make a saving move with some other piece than
the compelled one. For example, suppose that your Basilisk has been pushed
onto an occupied square, and so is compelled to move off, but has no legal
move; if you can engulf your own Basilisk with a leaf pile, you have
removed the condition causing the compulsion, and therefore you have saved
the game.'

And, under 'Interactions',

'If a Go Away which is compelled to flee an enemy Ghast is next to the
Ghast, it can scream GO AWAY! instead of moving. It ends its turn one move
further away than it started and so it has met the compulsion to flee.

A Leaf Pile which is next to a Ghast can engulf the Ghast; as it then no
longer needs to flee, its compulsion has been satisfied.'

The Editor in Yellow wrote on Thu, Apr 11, 2002 09:21 PM UTC:
Thy bidding done once more, Oh Gnohmon.

Chigorin Chess. White has knights instead of bishops and a chancellor for his queen; black has bishops instead of knights. (8x8, Cells: 64) [All Comments] [Add Comment or Rating]
Peter Hatch wrote on Fri, Apr 12, 2002 05:59 AM UTC:Excellent ★★★★★
For what it's worth, on Christian Freeling's Grand Chess site, under About Grand Chess, it says: <blockquote>Finally, although the Queen may have the edge in the endgame, the Marshall is arguably the strongest piece, so it flanks the King in the center as does the Queen in Chess.</blockquote> I'd think being on a 10x10 board would benefit the Queen more than the Chancellor/Marshall.

Chessgi. Drop the pieces you take from your opponent. (8x8, Cells: 64) [All Comments] [Add Comment or Rating]
Brady wrote on Fri, Apr 12, 2002 10:20 PM UTC:Good ★★★★
It's ok but crazyhouse is better.

The Game of Nemoroth. For the sake of your sanity, do not read this variant! (8x8, Cells: 64) [All Comments] [Add Comment or Rating]
John Lawson wrote on Sat, Apr 13, 2002 05:04 AM UTC:
I have rarely seen so much chatter as for this game. (N.B. there is
significant commentary on Nemoroth in the Yellow Journalism thread.)

A couple of points:

Is Nemoroth a chess variant?  If gnohmon says it is, who am I to gainsay
him?  I am an 'inclusionist' when it comes to chess variants, anyway.  It
actually seems more like an Amazons variant, and there are other more
chess-like games that make use of the 'shrinking board' mechanism, but what
the heck.  (Bob Abbott, who invented Ultima, did not think it was chess,
because it did not use replacement captures.  He was an 'exclusionist'.)

When Nemoroth is refined, and the rules settle down, may we expect pages on
'The Value of the Nemoroth Pieces' and 'Nemoroth with Different Armies'? 
Should we reserve the name www.nemorothvariants.com?

If interest remains high, how about the CVP sponsor a contest in Nemoroth
problem composition?

Fischer Random Chess. Play from a random setup. (8x8, Cells: 64) (Recognized!)[All Comments] [Add Comment or Rating]
Brad Hoehne wrote on Wed, Jun 20, 2001 12:00 AM UTC:
Hi,

I have worked out a slightly different method of setting up Fischer random
chess positions with a single six-sided die.   It's fairly easy to
memorizem because it follows logically from the positional rules of the
game.   As far as I can tell it will create all possible positions. Here it
is:

All die rolls are counted from the left side of the board from white's
point of view and apply to remaining empty and 'legal' squares only.

Because the king must be between both rooks, it can only occupy the central
six squares on each side.  Roll a die and place the king on one of the six
'central' squares.

Now place the rooks.   Roll a die for the left rook.  If the number exceeds
the number of squares on the left side of the king, roll again.    Repeat
for the right rook.  If there is only one square to the right or left of
the king, skip the rolls and simply place the rook.

Now place the Bishops.   Place the first bishop based on a die roll.   If
the roll value exceeds the number of remaining squares, roll again.   Place
the second bishop in a similar manner counting only the available squares
of the opposite color of the already placed bishop.

Place the queen with a die roll.  If the die number is 4-6 then subtract 3
from its value (to minimize the number of rolls necessary.)

Place the two knights on the last two squares.

I have yet to study this method in detail to determine if it favors certain
positions.


A modification of the die roll procedure to minimize re-rolls is as
follows:   If there are 2-3 'legal' squares for the rooks or the second
bishop take the remainder of the die in the 'modula' of the number of
remaining squares.  For example, if there are two legal squares for the
left rook, and one rolls a 5, one counts this as a '1', as 1 is the
remainder when one divides 5 by 2.  If the roll had been a '4' one would
count this as a '2'.   In the case of 3 empty squares, one a '5' would
count as a '2'.  A '6' would count as a '3' and a '4' would count  as a '1'
(as in the queen roll, which will always have 3).   

This method will not work without bias when there are 4-6 legal squares
remaining, and re-rolls must be employed.  However, statistically speaking,
fewer rolls will be necessary in such a case anyway.   

It is possible, though highly improbable, that one might require a very
large number of rolls to finally 'nail down' a position for the rooks and
bishops.  But once they are placed, only 1 roll remains.

What do you think?

Brad Hoehne- Columbus, Ohio.

Glinski's Hexagonal Chess. Chess on a board made out of hexagons. (Cells: 91) (Recognized!)[All Comments] [Add Comment or Rating]
Anonymous wrote on Wed, May 16, 2001 12:00 AM UTC:Excellent ★★★★★
I searched all over the internet for basic information on Hexagonal chess and this one website gives me more information than all other websites combined!

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