Official prerelease Stockfish dev-20250724
Rating Chess Engines Diary CEDR=3763
Rating Chess Engines Diary CEDR=3763
Great news for chess enthusiasts! The pre-release version of Stockfish dev-20250724, widely recognized as the world's top chess engine, has been released. This brings us one step closer to the next official release. Our team is excited to begin testing it today, and we'll be sure to share the results on our website. Stay tuned!
What changes in the new Stockfish dev-20250724 version?
Simplify eval >= beta condition from NMP
It seems that now only checking if static eval is above beta by some margin is all that's necessary.
Passed Non-Regression STC
LLR: 2.93 (-2.94,2.94) <-1.75,0.25>
Total: 227264 W: 58430 L: 58421 D: 110413
Ptnml(0-2): 532, 26559, 59454, 26542, 545
https://tests.stockfishchess.org/tests/view/68763a77432ca24f6388c766
Passed Non-Regression LTC
LLR: 2.94 (-2.94,2.94) <-1.75,0.25>
Total: 72048 W: 18622 L: 18455 D: 34971
Ptnml(0-2): 26, 7775, 20272, 7908, 43
https://tests.stockfishchess.org/tests/view/687c9f2b6e17e7fa3939b0c5
closes https://github.com/official-stockfish/Stockfish/pull/6175
Bench: 2759840
Stockfish dev-20250724 download (all file: avx2, avx512, bmi2, sse41-popcnt, vnni256, vnni512, 64)
Here are some sample tournament wins for the Stockfish engine on Android and Windows::
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