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  2. Queen versus rook endgame - Wikipedia

    en.wikipedia.org/wiki/Queen_versus_rook_endgame

    Once the rook is lost, the result is a basic checkmate (king and queen against king), which is easily won. [3] White should not close in further once the Philidor position has been achieved. For 1.Qa6 runs into 1...Rc7+ and White must retreat the king to d6, for 2.Kb6? Rc6+! forces a draw. [11]

  3. Checkmate pattern - Wikipedia

    en.wikipedia.org/wiki/Checkmate_pattern

    The triangle mate involves a queen, supported by a rook on the same file two squares away, delivering checkmate to a king that is either at the edge of the board or whose escape is blocked by a piece; the queen, rook, and king together form a triangular shape, hence the name of the mating pattern.

  4. Pawnless chess endgame - Wikipedia

    en.wikipedia.org/wiki/Pawnless_chess_endgame

    Endgames without pawns do not occur very often in practice except for the basic checkmates of king and queen versus king, king and rook versus king, and queen versus rook. [1] Other cases that occur occasionally are (1) a rook and minor piece versus a rook and (2) a rook versus a minor piece, especially if the minor piece is a bishop. [2]

  5. Checkmate - Wikipedia

    en.wikipedia.org/wiki/Checkmate

    There are also positions in which a king and a knight can checkmate a king and a bishop, knight, or rook; or a king and a bishop can checkmate a king with a bishop on the other color of squares or with a knight, but the checkmate cannot be forced if there is no other material on the board (see the diagrams for some examples). [53]

  6. Chess endgame - Wikipedia

    en.wikipedia.org/wiki/Chess_endgame

    Two knights cannot force checkmate against a lone king (see Two knights endgame). While there is a board position that allows two knights to checkmate a lone king, such requires a careless move by the weaker side to execute. If the weaker side also has material (besides the king), checkmate is sometimes possible. [14]

  7. Philidor position - Wikipedia

    en.wikipedia.org/wiki/Philidor_position

    The opposing king is beyond the defender's third rank. The defender's rook is on the third rank, keeping the opposing king off that rank. Black would like to get his king to the e3-square and threaten checkmate to force the white king away from the queening square of the pawn, e1. The white rook on the third rank prevents that.

  8. Rook and bishop versus rook endgame - Wikipedia

    en.wikipedia.org/wiki/Rook_and_bishop_versus...

    The kings are opposite in an L-shape and the weaker side's rook defends on the side of his king that has more room. [38] Szén's position is the most important for over-the-board players. Compared to the Philidor position, the kings are not opposite each other and the defending rook can prevent checkmate.

  9. Back-rank checkmate - Wikipedia

    en.wikipedia.org/wiki/Back-rank_checkmate

    In chess, a back-rank checkmate (also known as a corridor mate) is a checkmate delivered by a rook or queen along the opponent's back rank (that is, the row closest to them) in which the mated king is unable to move up the board because the king is blocked by friendly pieces (usually pawns) on the second rank.