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  2. Software for handling chess problems - Wikipedia

    en.wikipedia.org/wiki/Software_for_handling...

    This article covers computer software designed to solve, or assist people in creating or solving, chess problems – puzzles in which pieces are laid out as in a game of chess, and may at times be based upon real games of chess that have been played and recorded, but whose aim is to challenge the problemist to find a solution to the posed situation, within the rules of chess, rather than to ...

  3. Three-player chess - Wikipedia

    en.wikipedia.org/wiki/Three-player_chess

    Trio-Chess: [14] Played on a 96-cell board, a center triangle splits the central files. By Van der Laken and G. J. Buijtendorp (1979). Three-Player Chess: [15] Played on a 96-cell board, the patent for this game provides suggested rules whereby kings are captured, and the player with the last-remaining king wins. The pieces of an eliminated ...

  4. List of chess variants - Wikipedia

    en.wikipedia.org/wiki/List_of_chess_variants

    Endgame chess (or the Pawns Game, with unknown origins): Players start the game with only pawns and a king. Normal check, checkmate, en passant, and pawn promotion rules apply. [6] Los Alamos chess (or anti-clerical chess): Played on a 6×6 board without bishops. This was the first chess-like game played by a computer program.

  5. Cheating in online chess - Wikipedia

    en.wikipedia.org/wiki/Cheating_in_online_chess

    Chess.com and Lichess differ in how they handle accounts they determine to be cheating. Chess.com publicly issues permanent bans, visible as a crossed red circle icon next to the names of banned users. [1] In addition, the site refunds the rating points of players who have recently lost games to banned accounts. [11]

  6. Tri-chess - Wikipedia

    en.wikipedia.org/wiki/Tri-Chess

    Tri-chess is the name of a chess variant for three players invented by George R. Dekle Sr. in 1986. [ 1 ] [ 2 ] The game is played on a board comprising 150 triangular cells. The standard chess pieces are present, minus the queens, and plus the chancellor and cardinal compound fairy pieces per side.

  7. Solving chess - Wikipedia

    en.wikipedia.org/wiki/Solving_chess

    A variant first described by Claude Shannon provides an argument about the game-theoretic value of chess: he proposes allowing the move of “pass”. In this variant, it is provable with a strategy stealing argument that the first player has at least a draw thus: if the first player has a winning move in the initial position, let him play it, else pass.

  8. Plaskett's Puzzle - Wikipedia

    en.wikipedia.org/wiki/Plaskett's_Puzzle

    Plaskett's Puzzle is a chess endgame study created by the Dutch endgame composer Gijs van Breukelen (February 27, 1946 – December 21, 2022) around 1970, although not published at the time. Van Breukelen published the puzzle in 1990 in the Netherlands chess magazine Schakend Nederland .

  9. Opposite-colored bishops endgame - Wikipedia

    en.wikipedia.org/wiki/Opposite-colored_bishops...

    In endings with opposite-colored bishops, a material advantage is much less important than in most endgames and position is more important. Positions where one side has an extra pawn are usually drawn, and it is not uncommon to have two extra pawns (occasionally more) and to be unable to make progress. [3]