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2007-2008 Chess Variants Design Contest. Chess variant inventors gather round! We're doing it again! Exact nature of contest to be determined with YOUR help!![All Comments] [Add Comment or Rating]
Graeme Neatham wrote on Thu, Aug 2, 2007 08:08 AM UTC:

I'd like to suggest a multiple-board theme, either a set number (2,3,4 etc.) or perhaps just any number more than 1.


Graeme Neatham wrote on Thu, Aug 2, 2007 10:20 AM UTC:

I also opt for a voting method of judging, that way no-one need be excluded from entering. I would suggest each entrant should pick 3 games ordered 1st,2nd,3rd - 1st gets 3 points, 2nd 2, 3rd 1.

Additional theme suggestions:
- incomplete knowledge
- no FIDE pieces (including King)
- winning condition other than mate

I also support Abdul-Rahman Sibahi's suggestion of having a confined King (or other Royal piece)


Graeme Neatham wrote on Thu, Aug 2, 2007 10:51 AM UTC:

Might I alsso suggest a contest with more than one theme? Say have 3 themes e.g. one Piece based (no FIDE pieces say), another special Criteria/Rule based (restricted King, say), and the third Conceptual (sci-fi/fantasy)

Each contestant could then enter any or all themes with the same or different games and have a vote in each theme entered. The theme winners would then be voted on by all contestants other than the theme winners to decide the overall winner.


Graeme Neatham wrote on Thu, Aug 2, 2007 12:48 PM UTC:
... clarify and elaborate, just a little bit, what you have in mind below?

I'll try...
Suppose the contest has three themes - call them t1 t2 and t3. Each contestant may enter a game in each theme. This could be a different game for each theme (contestant designs 3 games) or a single game thst meets the conditions of all 3 themes (contestant designs 1 game that is entered into t1 t2 and t3) - or somewhere in between (designs 2 games, one for entry in t1 and t2, the other for t3). Of course a contestant does not have to enter all 3 themes - they may just design 1 game for entry in a single theme (t2 say).

Within each theme those contestants entered in that theme will vote for a theme winner (see my other comment on a suggested voting system). Of course you may NOT vote for your own design.
The theme winners will then participate in a second vote by all the contestants apart from those winning the theme, to determine an overall contest winner


Graeme Neatham wrote on Fri, Aug 3, 2007 12:00 AM UTC:

3 more suggestions:

  • Simultaneous moves
  • Incorporate non-chess gaming element(s) - e.g. dice, cards, quiz questions, gaming chips
  • Boundless boards e.g. Circular, Toroidal, Spherical


Graeme Neatham wrote on Sun, Aug 26, 2007 08:31 AM UTC:

I take it that, in line with previous n-square design contests, the term square is to be interpreted as meaning cell, and is not meant to exclude, for example, hex, trig or multi-dimension based boards?


Delta88 Chess. Chess on a Trigonal Board. (11x8, Cells: 88) [All Comments] [Add Comment or Rating]
💡📝Graeme Neatham wrote on Sun, Aug 26, 2007 07:19 PM UTC:

Joe, the piece values were derived using my PERK method. This is still being developed and I have not checked the calcs thoroughly yet, hence the term guesstimate.

I think the downgrading of the Bishop is due, as you said, to it being colour-bound.

As for the Tower, in comparison with the Queen it suffers on 2 counts:

  • It attacks in only 6 directions (Queen attacks in 12)
  • It moves more 'slowly', taking 15 steps to cross the board (Both Spire and Bishop take only 7 steps)



💡📝Graeme Neatham wrote on Mon, Aug 27, 2007 02:59 AM UTC:
'... should push the 2 piece values closer together here, no?'

Joe, I've had a quick look at my calcs again -

  • Q = 11.508
  • T = 10.297
a diff of only 1.211, obscured by rounding to whole-pawns. I've revised the rounding to half-pawns and updated the figures.

Cheers Graeme


2007-2008 Chess Variants Design Contest. Chess variant inventors gather round! We're doing it again! Exact nature of contest to be determined with YOUR help!![All Comments] [Add Comment or Rating]
Graeme Neatham wrote on Wed, Aug 29, 2007 01:39 AM UTC:

Jeremy, previous contests seem to have had about a 5-month submission period. As this is a 'pre-contest' contest I would suggest a 3-month period - a deadline of 30-November.

This should give sufficient time for the 'contest' contest details to be decided, which could then have a 5-month submission period running from 01-Dec to 30-April


[Subject Thread] [Add Response]
Graeme Neatham wrote on Wed, Aug 29, 2007 10:09 PM UTC:

Jeremy, I've added a section called Child Pages to the side-bar. Hopefully this will help a little with the navigation.


Graeme Neatham wrote on Sat, Sep 1, 2007 12:51 AM UTC:

'...:The most successful chess variants were invented by people who did not care if they would become rich or famous with their variant;...'

Sam, much as I would like this CV-Catch-22 to be true, I'm afraid we have no proof that it is. The fact of our present ignorance is no guide to the motives of the inventors of the past. We cannot even be sure that they were not rich and well-known in their day since wealth and fame are at best fickle and fleeting friends.

Cheeers
Graeme


Graeme Neatham wrote on Mon, Sep 3, 2007 11:56 PM UTC:

Perhaps the best games aren't invented; maybe they just evolve.


Falcon Hexagonal Chess. The Falcon into the Hexagonal world. (Cells: 121) [All Comments] [Add Comment or Rating]
Graeme Neatham wrote on Sun, Sep 9, 2007 03:50 PM UTC:Excellent ★★★★★

Always happy to see a new hex variant. Would it infringe any patents if I produced a zrf for this?

BTW here's a not-quite-so-ugly graphic:


Graeme Neatham wrote on Sun, Sep 9, 2007 09:13 PM UTC:
'I've never understood why they are set up in two 'V's with the points almost touching and the legs extending away from each other.'

I'd always thought the main idea behind the pawn positioning was to have them start the game equi-distant from a promotion hex.


[Subject Thread] [Add Response]
Graeme Neatham wrote on Sun, Sep 23, 2007 03:35 PM UTC:
Well, I've set up an initial structure on the CV-Wiki

Now all we need is some entries. I'm happy looking after the cross-referencing and navigation if people just want to add items/pages; or if anyone prefers they can send the info to me for inclusion in the Wiki.

Cheers
Graeme

Chess for ThreeBROKEN LINK!. Traditional pieces, three players, on a triangular board.[All Comments] [Add Comment or Rating]
Graeme Neatham wrote on Sat, Oct 13, 2007 03:12 PM UTC:
...that's a pretty board Graeme put up--the first one in the three triangular board games--it looks like a snowflake....

Hi James, glad you liked the board. Not sure if you had a look at the links under 'child pages', but you might be interested in Features of a trigonal board and Fide pieces for trigonal boards

There's also my trigonal version of FIDE chess Delta88 Chess

Cheers
Graeme

edit: I've used snowflakes before - see Antarctic Chess (for 2 to 7 players)


Step and Circle TrigChess. Trigonal entry for the 45 or 46 cell 2007 design contest. (9x6, Cells: 46) [All Comments] [Add Comment or Rating]
💡📝Graeme Neatham wrote on Thu, Nov 15, 2007 07:17 AM UTC:

Abdul-Rahman, I have uploaded the now 2 empty boards to the graphics directory for this page.
Board1
Board2
The piece icons are also there.

The three Gyro's on a given side cover 35 trigs, the missing 11 trigs are those covered by the opponent's central Gyro.


Penturanga. Chaturanga on a board with 46 pentagonal cells. (8x5, Cells: 46) [All Comments] [Add Comment or Rating]
💡📝Graeme Neatham wrote on Mon, Dec 3, 2007 02:16 AM UTC:

Thank you all for taking the time to examine and comment on Penturanga.

Charles, I'm not sure exactly what you mean by 'despite the presentation', but I admit it to be somewhat sparse. In order to meet the competition deadline I published the basic description without a supporting Notes section. I hope to add this and publish a zrf shortly.
Also , while I agree with you that that the board is topologically equivalent to the hex-board you describe, this does not mean the pentagons are anything else other than pentagons - the number of surrounding cells is irrelevant as can be seen by the usual square board where each cell is surrounded by 8 others. Topological equivalence also does not lead to equivalence in game-mechanics. In short it is my opinion that Penturanga is indeed truly pentagonal.

Gary, the piece graphics were derived from a Chinese set published on this site. Full accreditation will be given in the Notes.


💡📝Graeme Neatham wrote on Mon, Dec 3, 2007 04:52 AM UTC:

'Topological equivalence also does not lead to equivalence in game-mechanics.'

Create a piece whose move is defined as:

a series of steps away from the starting cell exiting each cell via a short side.

Such a piece can be moved on the Penturanga board but not on the topologically equivalent hex-board.

'...the fact remains that Penturanga is just a funny-looking hexagonal chess variant.'

I'm afraid that is not a fact, it is, like mine, just an opinion - so may we just agree to differ?

Cheers
Graeme


💡📝Graeme Neatham wrote on Mon, Dec 3, 2007 05:39 PM UTC:

Your example piece is a red herring.

My example piece may well be called a herring, red or otherwise, but it illustrates that topological equivalence, though necessary, is not sufficient for game equivalence. That having been said, I agree that for the pieces actually used in Penturanga there is game equivalence between the pentagonal and the hexagonal boards.

... but this is a mathematical problem with a definitive answer.

Exactly! A square has 4 sides, a hexagon has 6 sides, a triangle 3 sides, and a pentagon 5 sides. A board with 6-sided cells is termed hexagonal, so surely it is correct to term a board with 5-sided cells pentagonal?

Cheers
Graeme


💡📝Graeme Neatham wrote on Sat, Dec 8, 2007 04:35 PM UTC:
Joe,
just sent you an email.

Cheers
Graeme

Seirawan ChessA game information page
. invented by GM Yasser Seirawan, a conservative drop chess (zrf available).[All Comments] [Add Comment or Rating]
Graeme Neatham wrote on Sun, Mar 23, 2008 12:30 AM UTC:BelowAverage ★★

I have never been a fan of the drop, feeling it to be an alien addition to the mechanics of chess. Promotion on the other hand is not, being a well established chess mechanism.

I therefore suggest using promotion as a better means of introducing the RN and BN. Thus, for example the Rook could promote to RN on making a capture, and the Bishop likewise but to BN. The idea could be extended further allowing the Knight to promote to, say, a Nightrider.

Using promotion also goes someway towards relieving the piece-density and power increases associated with dropping; more so if the number of each of the new pieces is restricted to one.


Graeme Neatham wrote on Sun, Mar 23, 2008 04:23 PM UTC:

1. Tell me where you can acquire the pieces to do this? Saying, 'Well we can make our own' isn't something someone you introduce the game to, will actually do

The future of chess, I suspect, is on computers and the internet within the virtual cyber-realms created by software. Any initial lack of physical pieces should not hinder the popularity of a variant.

2. If people thing adding two pieces between queen and rook level is too powerful, how is having a rook fly down to the other side and promote, and the other pieces going to not be overpowered?

Surely a Rook promoted to RN is a less powerful outcome than a Rook and newly dropped RN ?

3. Is the main concern 'congestion'? ...

The main concern is surely playability? Unless a variant plays well it is unlikely to gain a following, however well it is promoted.

I will say the point about gating is that it is a useful way to integrate new pieces into older games. As is promotion.

If you don't happen to like it, or anything drop related, you are forcing chess to follow the same way it has always been, that being fixed positions

I am not forcing chess into anything, merely suggesting a way for using RN and BN within an 8x8 board. Besides, neither 'drop' nor 'promote' will change the fixed nature of the starting position. The only solution to that is to introduce non-determinism.


Odin's Rune Chess. A game inspired by Carl Jung's concept of synchronicity, runes, and Nordic Mythology. (10x10, Cells: 100) [All Comments] [Add Comment or Rating]
Graeme Neatham wrote on Fri, Apr 4, 2008 11:03 PM UTC:

.. so this would not be conventional gating.

Yes, it would seem to be a combination of (c) and (e)


IAGO Chess System. http://abstractgamers.org/wiki/iago-chess. (8x8, Cells: 64) [All Comments] [Add Comment or Rating]
Graeme Neatham wrote on Mon, Apr 7, 2008 08:24 PM UTC:

... what fixed set of rules would be needed to still identify the game as chess, and allow for infinite variations? ...

From the CVwiki we have

The single defining quality of 'Chess' is that
the winning condition is predicated on one (the royal) of two (royal and non-royal) classes of pieces


If this statement is accepted then for a game to be a chess variant it must have these 2 rules: one to define the royal and non-royal classes; and one to define the winning condition in terms of the royal class.


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