Displacement chess is a family of chess variants in which a few pieces are transposed in the initial standard chess position. The main goal of these variants is to negate players' knowledge of standard chess openings.
The following variations were tried in master or grandmaster tournaments:
- White's king and queen are transposed. This arrangement was tried in a correspondence tournament in 1935 with the participation of chess grandmaster Keres.
- The queen's knight is transposed with the king's bishop, so that both bishops are on the queenside and both knights are on the kingside, as shown in the diagram. This variant is sometimes called Mongredien chess, after Augustus Mongredien the sponsor of a tournament held in London during 1868 under the auspices of the British Chess Association, in which several strong British chess players took part, including Blackburne. According to Pritchard, this is one of the most popular forms of Displacement chess.
- The knights and bishops are transposed.
- The rooks and bishops are transposed. This array was suggested by Capablanca after his match with Lasker, but did not become popular. This variant is also called Fianchetto chess.
- PP Random Chess: the kings remains on e1/e8, one of the rooks must remain on the a- or h-file, the bishops are placed on opposite-colored squares. Proposed in computer chess playing client Chess4Net by Pavel Perminov.
- Pritchard, D. B. (2000). "§3 Displacement Chess". Popular Chess Variants. B.T. Batsford Ltd. pp. 16–17. ISBN 0-7134-8578-7.
- Pritchard, D. B. (1994). The Encyclopedia of Chess Variants. Games & Puzzles Publications. pp. 88–90. ISBN 0-9524142-0-1.
- Lowenthal, J. The Transactions of the British Chess Association 1868 and 1869. 1869
- Fianchetto chess
- D-chess.com D-chess (Displacement Chess)
- Blackburne–Potter Displacement chess game (knights and bishops are transposed) with comments by Wilhelm Steinitz
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