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A tablebase is a computer-calculated database of every endgame position with a certain number of pieces, which tells the user if correct play results in a win, a draw, or a loss for either side. The current limit is seven pieces, for both White and Black combined, including the kings.
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.
Syzygy tablebases allow perfect play with up to 7 pieces, both with and without the fifty-move drawing rule, i.e., they allow winning all won positions and bringing all drawn positions over the fifty-move line.
19 sie 2018 · Lichess now provides online access on the analysis board and in studies, practice against tablebases, a public API and a mirror for downloading the full tablebase files. How to use tablebases on Lichess? In endgame positions the opening explorer is replaced by a tablebase explorer.
19 sie 2020 · Endgame tablebases are essentially databases containing known endgame positions that have been “solved”, so to speak. That is, every position in an endgame tablebase will have a corresponding result which will either be a win for white, a win for black, or a draw (assuming perfect play).
His new endgame tablebases, released for free to the public, introduced several important innovations. The first concerned the issue of 200+ move solutions. The bases included five evaluations for a position in the context of the FIDE 50-move rule in chess: +2 = unconditional win for the side to move.
Rules of thumb are the key to everything when you are having to set the correct course in a complex endgame. In this final DVD of his series on the endgame, our endgame specialist introduces you to the most important of these rules of thumb.
