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  2. Opposition (chess) - Wikipedia

    en.wikipedia.org/wiki/Opposition_(chess)

    In chess, opposition (or direct opposition) is a situation in which two kings are two squares apart on the same rank or file. Since kings cannot move adjacent to each other, each king prevents the other's advance, creating a mutual blockade.

  3. Triangulation (chess) - Wikipedia

    en.wikipedia.org/wiki/Triangulation_(chess)

    Triangulation is a tactic used in chess to put one's opponent in zugzwang (a position in which it is a disadvantage to move). Triangulation is also called losing a tempo or losing a move.

  4. Tie-breaking in Swiss-system tournaments - Wikipedia

    en.wikipedia.org/wiki/Tie-breaking_in_Swiss...

    In chess, where results are simply win/loss or draw, strength of schedule is the idea behind the methods based on the games already played: that the player that played the harder competition to achieve the same number of points should be ranked higher. In other games, results may supply more data used for breaking ties.

  5. King and pawn versus king endgame - Wikipedia

    en.wikipedia.org/wiki/King_and_pawn_versus_king...

    The chess endgame with a king and a pawn versus a king is one of the most important and fundamental endgames, other than the basic checkmates. [1] It is an important endgame for chess players to master, since most other endgames have the potential of reducing to this type of endgame via exchanges of pieces.

  6. Play Chess Online for Free - AOL.com

    www.aol.com/games/play/masque-publishing/chess

    Play free chess online against the computer or challenge another player to a multiplayer board game. With rated play, chat, tutorials, and opponents of all levels!

  7. Zugzwang - Wikipedia

    en.wikipedia.org/wiki/Zugzwang

    Zugzwang (from German 'compulsion to move'; pronounced [ˈtsuːktsvaŋ]) is a situation found in chess and other turn-based games wherein one player is put at a disadvantage because of their obligation to make a move; a player is said to be "in zugzwang" when any legal move will worsen their position.

  8. Rules of chess - Wikipedia

    en.wikipedia.org/wiki/Rules_of_chess

    Staunton style chess pieces. Left to right: king, rook, queen, pawn, knight, bishop. The rules of chess (also known as the laws of chess) govern the play of the game of chess. Chess is a two-player abstract strategy board game. Each player controls sixteen pieces of six types on a chessboard. Each type of piece moves in a distinct way.

  9. Lucena position - Wikipedia

    en.wikipedia.org/wiki/Lucena_position

    The Lucena position is a position in chess endgame theory where one side has a rook and a pawn and the defender has a rook. Karsten Müller said that it may be the most important position in endgame theory. [1]