Please note that you are allowed to use opening databases (like Opening Explorer) on, but you are not allowed to use any other outside help like engines or ~s.īook draw: An endgame position known to be a draw with perfect play. human, algorithm & game theory, have all been with us for less than an average human lifetime. Opening & game databases, tactical calculation, ~s, online & email play, computer vs. In this manner, you can commit everything that's important to memory.Ĭomputers and the Internet have had a profound impact on the game of chess. We've taken certain alternative variations and common blunders and added them as their own endgames. This allows Chessable to know all possible solutions to the endgames presented by De la Villa. ~s may not be consulted during play but you may reference books, databases consisting of previously played games between human players, and other pre-existing research materials. Tactics Play characterized by short-term attacks and threats, often requiring extensive calculation by the players, as distinguished from positional play. Tactician A player who specializes in tactical play, as distinguished from a positional player. ~: A database of endgames with a small number of pieces.Įn passant: A special move where a pawn moves to the square an enemy pawn had just passed through moving two spaces, capturing the enemy pawn.Įn prise: A piece exposed to a material-winning capture by the opponent. Tablebase ( ~) - a computer database accessed by a chess engine containing all possible moves of an endgame, and whether the outcome is a win for one side or a draw.
Seven-piece tablebases are currently a long way off. It is estimated that to cover all the six-piece endings will require at least 1 Terabyte. Nalimov ~s, which use state of the art compression techniques, require 7.05 GB of hard disk space for all five- piece endings. It is typically used by a computer chess engine during play, or by a human or computer that is retrospectively analysing a game that has already been played. Some otherwise master-level programs were unable to win in positions where even intermediate human players could force a win.ĮGTB = ~, An ~ is a computerized database that contains precalculated exhaustive analysis of chess endgame positions. Endgame tablebase: A computerized database of endgames with up to 7 pieces, providing perfect play for both players, and thus completely solving those endgames.Įpaulette mate: A checkmate position where the king is blocked on both sides by his own rooks.Įndgame play had long been one of the great weaknesses of chess programs because of the depth of search needed.
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