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Rank-behind-Rank Chess

By Sergey Sirotkin


Rank-behind-Rank Chess is a variant of orthodox chess played on a board of twelve ranks by six files, with 30 pieces on a side, including two Kings per player. The goal is to capture or mate both opposing Kings.

Board and Setup

Rank-behind-Rank Chess initial setup.


The game is conducted by rules of International Chess with the following changes:

  • The setup is different (see the diagram above), with each side having two Kings, four Queens, and six Knights, Bishops, Rooks and Pawns each.
  • When a player still has two Kings on the board, either of their Kings may be captured like any other piece.
  • When a player has only one King remaining on the board, normal rules for mate apply.
  • There is no castling, Pawn double-move or en-passant capture.
  • Pawns promote on the twelfth rank.

The game is won by checkmating a player's last King.

Zillions of Games

There is an implementation of Rank-behind-Rank Chess for Zillions of games. You can download it here:

Written by Sergey Sirotkin. HTML Conversion by Peter Aronson.
WWW page created: May 21st, 2001.