You are on the backup site for Any posts, moves, or other changes you make here will not be permanent, because the pages and database from the main site will be backed up here every midnight EST. Additionally, things may not be working right, because this site is also a testbed for newer system software. So, if you are not here to test, develop, or merely read this site, you may want to change .org to .com in the navigation bar and go to the main site.

The Chess Variant Pages

This page is written by the game's inventor, Sergey Sirotkin.

Almost One-dimensional Chess Variants

Sergey Sirotkin invented three chess variants of `almost one-dimensional nature'. Tape chess was invented in 1998 or 1999. The other two arose as afterthough in January 2000. Below, you see these games. See also:

Tape chess

The board contains 20 fields located by a tape. The first and twentieth fields are stuck together. As a result, we obtain a circle.

The pieces are located: White - P, N, B, K, R, B, N, P + two empty fields + Black - p, n, b, r, k, b, n, p + two empty fields.


Purpose of the game is again to mate the king of the opponent.


And what will be, if we stick a tape together as a Moebius Ring?

Dollar chess

The idea of a board has arisen 09 January 2000.

Rules are the same as for Tape Chess.

Cross chess. Variant for four players

The idea of a board has arisen 09 January 2000.

Rules are the same as for Tape Chess.

In addition, pieces may change direction when crossing the centre square.


February 7, 2000, Sergey Sitkorin sent a new chess variant, that fits in this family: H-chess. Sergey Sitkorin writes on this variant:

It can mean "Hello, Hans".

This game is played by two players on a board in the form of an H. Each player has a king, a rook, two bishops, two knights, and two pawns.

H-chess board and setup

The setup is shown above.

Other rules are as in orthodox chess.
Written by Sergey Sirotkin. Edited by Hans Bodlaender.
WWW page created: January 25, 2000. Last modified: February 21, 2000.