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Schaakopedie: Online schaakencyclopedie


  • Fool's Mate

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    Fool's mate, also known as the "two-move checkmate," is the quickest possible checkmate in the game of chess. One example consists of the moves leading to the position shown... There are eight slight variations on the pattern — White might p... Lees meer »

  • Ruy Lopez

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    Opening: Ruy Lopez (Spanish)ECO: C60ECO Variations: C60 - C99Type: King's Pawn GamePGN: 1. e4 e5 2. Nf3 Nc6 3.Bb5FEN:  r1bqkbnr/pppp1ppp/2n5/1B2p3/4P3/5N2/PPPP1PPP/RNBQK2R b KQkq - 3 3 The Ruy Lopez (also known as the Spanish Opening) is a ches... Lees meer »

  • Scandinavian Defense

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    The Scandinavian Defense (also known as the Center Counter) is the chess opening characterized by the first moves 1.e4 d5. At first characterized as a beginner's move, it has recently been revived, with several GM's trying it. Although the Scandi... Lees meer »

  • Mathematics and chess

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    The number of possible chess positions after White’s first ply move is 20 (16 pawn moves and 4 knight moves).  There are 400 possible chess positions after two ply moves (first ply move for White followed by first ply move for Black).  Th... Lees meer »

  • En passant

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    En passant (from French: "in passing") is a maneuver in chess which is performed after a player moves a pawn two squares forward from its starting position, and an opposing pawn captures it as if it had only moved one square. En passant may only... Lees meer »

  • The English Opening

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    This Chess opening involves the first move c4, (called The English Opening because a group of English players in around the 1890's often played it, including Howard Staunton), it is played as one of the main opening choices for white- an alternati... Lees meer »

  • King's Gambit

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    h Lees meer »

  • Abbazia Defense

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    A King's Gambit Accepted variation (1.e4 e5 2.f4 exf4 3.Nf3 d5) (ECO classification - C36).  The name comes from a tournament, Abbazia 1912, in which all the games had to be a King's Gambit Accepted.  The event was won by Rudolf Spielmann,  Ab... Lees meer »

  • Zugzwang

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    Pronounced "tsoog-tsvung", Zugzwang is a German word meaning "obligation to move".  The term is used for a position in which whoever has the move would obtain a worse result than if it were the opponent’s turn to play. A player is said to b... Lees meer »

  • Chess

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    Chess is a world-famous game played between two players using 32 pieces (16 each of two distinct colors) on a 64-square board of alternating colors (black and white, or, most commonly, light and dark). The earliest known ancestor of modern chess ... Lees meer »