Chess engine: Stockfish 21100611 (Windows and Linux)

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Stockfish - UCI chess engine, compiled by J. Oster
Rating CEDR=3517

Timestamp: 1633514013
Time-management fix in MultiPV mode.

When playing games in MultiPV mode we must take care to only track the best move changing for the first PV line. Otherwise, SF will spend most of its time for the initial moves after the book exit.

This has been observed and reported on Discord, but can also be seen in games played in Stefan Pohl's MultiPV experiment.
Tested with MultiPV=4.

STC:
https://tests.stockfishchess.org/tests/view/615c24b59d256038a969b990
LLR: 2.95 (-2.94,2.94) <-0.50,2.50>
Total: 1744 W: 694 L: 447 D: 603 Elo +49.54
Ptnml(0-2): 32, 125, 358, 278, 79

LTC:
https://tests.stockfishchess.org/tests/view/615c31769d256038a969b993
LLR: 2.94 (-2.94,2.94) <0.50,3.50>
Total: 2048 W: 723 L: 525 D: 800 Elo +33.70
Ptnml(0-2): 10, 158, 511, 314, 31

Bench: 5714575

Stockfish 21100611 NNUE download

 

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