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For questions related to (world) records in chess, e.g. the longest game (in moves or in duration), highest obtained rating, longest mate in n puzzle, etc.

18 votes
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Maximum possible movement in a turn

position (same number of moves): 3Q4/1Q4Q1/4Q3/2Q4R/Q4Q2/3Q4/1Q4Rp/1K1BBNNk w - - 0 1 Bonus: 79 moves (for black); from actual game between Davis and Panchanathan, source from Tim Krabbe's list of chess records
GloriaVictis's user avatar
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11 votes
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What is the longest forced win with 3 to 6 pieces (ignoring 50 & 75 move rules)?

For the specified details (ignoring the 50-move rule, max. 6 pieces, max. 3 pieces per side), this endgame tablebase page, gives the following position, with checkmate in 262 moves: 6k1/5n2/8/8/8/5n2 …
GloriaVictis's user avatar
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7 votes
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Maximum number of captures in a position

I have some records from a book published in 1969. They might have been surpassed since then, but if that is the case, I was not able to locate that information. … These are records for captures by one side. 74 captures; legal position: [Title "T. W. …
GloriaVictis's user avatar
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4 votes
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Longest DTM in the endgame KQPPKQ

Qb6# According to the Sygyzy tablebases, the longest DTZ is 171 moves. 8/K6k/8/8/P7/Q6P/8/1q6 b - - 0 1 Records for DTC are not provided and I was not able to find any. …
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