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  2. Pawn (chess) - Wikipedia

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

    The pawn (♙, ♟) is the most numerous and weakest piece in the game of chess.It may move one square directly forward, it may move two squares directly forward on its first move, and it may capture one square diagonally forward.

  3. Key square - Wikipedia

    en.wikipedia.org/wiki/Key_square

    In chess, particularly in endgames, a key square (also known as a critical square) is a square such that if a player's king can occupy it, he can force some gain such as the promotion of a pawn or the capture of an opponent's pawn. Key squares are useful mostly in endgames involving only kings and pawns.

  4. En passant - Wikipedia

    en.wikipedia.org/wiki/En_passant

    [2] [3] This is a special case in the rules of chess. The capturing pawn moves to the square that the enemy pawn passed over, as if the enemy pawn had advanced only one square. The rule ensures that a pawn cannot use its two-square move to safely skip past an enemy pawn.

  5. Algebraic notation (chess) - Wikipedia

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

    When a pawn makes a capture, the file from which the pawn departed is used to identify the pawn. For example, exd5 (pawn on the e-file captures the piece on d5). En passant captures are indicated by specifying the capturing pawn's file of departure, the "x", the destination square (not the square of the captured pawn), and (optionally) the ...

  6. Rook and pawn versus rook endgame - Wikipedia

    en.wikipedia.org/wiki/Rook_and_pawn_versus_rook...

    A rule of thumb (with exceptions) is: if the king on the side without the pawn can reach the queening square of the pawn, the game is a draw; otherwise it is a win for the opponent (except with a rook pawn, i.e. a- or h-file). [12] The side with the pawn can cut off the opposing king or strive for the Lucena position, which is a win.

  7. Chess piece - Wikipedia

    en.wikipedia.org/wiki/Chess_piece

    A pawn can perform a special type of capture of an enemy pawn called en passant ("in passing"), wherein it captures a horizontally adjacent enemy pawn that has just advanced two squares as if that pawn had only advanced one square. If the pawn reaches a square on the back rank of the opponent, it promotes to the player's choice of a queen, rook ...

  8. Réti endgame study - Wikipedia

    en.wikipedia.org/wiki/Réti_endgame_study

    One goal is getting in the square of the black pawn, so it can be intercepted, and the other is getting to the d6-square to support the promotion of his own pawn. The black king will have to spend two tempi to stop the white pawn from promoting, and this is the number of tempi the white king needs to gain in order to get into the square of the ...

  9. Isolated pawn - Wikipedia

    en.wikipedia.org/wiki/Isolated_pawn

    In chess, an isolated pawn is a pawn that has no friendly pawn on an adjacent file.Isolated pawns are usually a weakness because they cannot be protected by other pawns. The square in front of the pawn may become a good outpost for the opponent to anchor pie