Online Tablebases (Perfect Play for Endgames)

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    Steve LovellSteve Lovell

    Tablebases are commonly used by computer chess engines to play endgames perfectly. They exist (as of now) for all possible positions where seven or fewer pieces remain on the board. From all those positions chess can be considered “solved” as it is known how to play perfectly and what the result should be with best play from both sides. Not that that always means much for mere humans. Nevertheless, they can be useful for looking up a position of a game for working out whether you could have saved / won an endgame after all.

    7 man tablebases were first calculated on a supercomputer called Lomonosov, and are named after that machine. Here’s one place to find them online:


    Steve is the Admin Secretary for the Bury St Edmunds Chess Club. He is also the Internet Officer for the Bury Area Chess League and since 2015 has been the organiser of the Bury St Edmunds Chess Congress. Outside of chess, if there is such a thing, Steve works in IT at Atalian Servest.

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