Talk:Cylinder chess

message: I believe that the first diagram ("Cylinder chess") is ambiguous.
As I see it, the possible moves on the diagram are not not specific to cylinder chess: they are also allowed in toroidal chess.
A diagram representing the moves of a knight would me more appropriate: the allowed moves would be different for cylindrical and toroidal chess.
82.229.209.33 10:49, 24 March 2007 (UTC)
replies: text: Done —This comment was added by Sibahi (talk • contribs) ,  ,  (UTC)
We call this round chess due to the shape of the board we play this on. The "squares" are much fatter on the outside than the inside. 75.42.88.194 23:58, 28 July 2007 (UTC)
thread_title: Ambiguous diagram

message: Could someone please explain to me what makes this chess variant notable ? SyG 20:44, 13 September 2007 (UTC)
replies: text: This variant is known since long time and often used in chess problems. There are many reliable sources for it, including secondary sources. I myself have 2 books, where cylinder chess is described in detail (one by Pritchard and another by Gik, see article's references section). Andreas Kaufmann 21:38, 13 September 2007 (UTC)
thread_title: Notability concerns

message: Here's Ralph Betza's idea to save them with just one added rule: "Retreating moves that cross their own baseline may not be captures. In other words, the K on e1 cannot capture the K on e8."
This means that in horizontal cylinder chess, king and rook can checkmate the lone king, but you need at least that much material to do it. (Two bishops can checkmate, but it cannot be forced.) The idea is that you keep the enemy king on the last rank and your rook on the first rank, to take advantage of the added rule.
If you apply this to torus chess, bare king needs to be considered a win as (see Gik!) so many basic checkmates are impossible! (You need at least two rooks to force checkmate, and your king has to get in the action.) Thus Betza suggested replacing rook with gryphon (t[FR]), bishop with aanca (t[WB]), knight with nightrider (NN), and queen with amazon (QN).
Naturally, this means that in 8×8×8 3D chess (as invented by Betza), you could wrap from top to bottom as well as front to back or side to side. Only the rank-wrapping needs Betza's added rule. This results in a three-torus, although in his article (which ends off with a brief note on this variant) Betza calls it an "incubus". Double sharp (talk) 04:07, 14 February 2016 (UTC)
thread_title:  Saving the variants in the last section 

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thread_title:  External links modified 

message: This article could be titled Cylinder chess rather than Cylinder Chess. Hyacinth (talk) 09:55, 18 June 2018 (UTC)
thread_title: Article title capitalization

message: I'm not familiar with this type of chess — is the game actually played on a regular (flat) board, only "as if" (per the article lede) it were cylindrical? In which case, why have the image titled "cylindrical chessboard" right up there, because it very much creates the impression that that's the actual board? If that's meant to represent the "horizontal cylinder chess" mentioned in s.3, then let's move the image further down into that section. Whereas, if this cylinder chess is actually played on a cylindrical board like that, then we should remove the "as if" from the lede, because it contradicts what's shown in the image. IMO some clarification is needed, but didn't want to go ahead and edit as I don't know what's what. -- DoubleGrazing (talk) 06:06, 5 July 2020 (UTC)
replies: text: PS: On reflection, it seems that the difference between cylinder chess and horizontal cylinder chess may be the way the board is 'rolled up', with files vs. ranks connected, respectively. If this is the case, then that point could/should be clarified, as it isn't immediately obvious (at least to a lay reader like myself). -- DoubleGrazing (talk) 06:19, 5 July 2020 (UTC)
thread_title:  Actual board shape in cylinder chess? 

message: In toroidal chess starting position, how to castling? Also, when the pawns reach where, they can promote? ——2402:7500:92C:B71D:E5C2:87AE:1BA:504A (talk) 18:34, 15 May 2022 (UTC)
thread_title:  In toroidal chess starting position, how to [[castling]]?