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In chess, the endgame tablebase, or simply tablebase, is a computerised database containing precalculated evaluations of endgame positions. Tablebases are used to analyse finished games, as well as by chess engines to evaluate positions during play.
In chess, a fortress is an endgame drawing technique in which the side behind in material sets up a zone of protection that the opponent cannot penetrate. This might involve keeping the enemy king out of one's position, or a safe zone the enemy cannot force one out of (e.g. see the opposite-colored bishops example).
Not all chess games reach an endgame; some of them end earlier. All chess positions with up to seven pieces on the board have been solved by endgame tablebases, [2] so the outcome (win, loss, or draw) of best play by both sides in such positions is known, and endgame textbooks teach this best play.
Chess opening theory books that provide these tables are usually quite large and difficult for beginners to use. Because the table entries typically do not include the themes or goals involved in a given line, beginners will either try to memorize the tables or simply drown in the detail.
Chess initial position. The game of chess is commonly divided into three phases: the opening, middlegame, and endgame. [1] There is a large body of theory regarding how the game should be played in each of these phases, especially the opening and endgame.
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The light squared weaknesses are covered by minor pieces (Bd3, Nd2). If permitted to do so, White may launch a direct kingside attack involving ideas such as Bxh7, Qh5 and Rf3-h3. A 1981 article in Chess Life magazine [ 2 ] gave the following line as an example of how play can develop if Black defends weakly.
Richard Réti. The Réti endgame study is a chess endgame study by Richard Réti.It was published in 1921 in Kagans Neueste Schachnachrichten.It demonstrates how a king can make multiple threats and how it can take more than one path to a given location, using the same number of moves.