Dev Builds » 20240529-1657

Use this dev build

NCM plays each Stockfish dev build 20,000 times against Stockfish 14. This yields an approximate Elo difference and establishes confidence in the strength of the dev builds.

Summary

Host Duration Avg Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN

Commit

Commit ID c7b80f6c8a7b8267e019fc4ecb496f14f5256f3e
Author Stéphane Nicolet
Date 2024-05-29 16:57:32 UTC
Merge pawn count terms using their average This simplification patch merges the pawn count terms in the eval formula with the material term, updating the offset constant for the nnue part of the formula from 34000 to 34300 because the average pawn count in middlegame positions evaluated during search is around 8. STC: LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 138240 W: 35834 L: 35723 D: 66683 Ptnml(0-2): 527, 16587, 34817, 16626, 563 https://tests.stockfishchess.org/tests/view/6653f474a86388d5e27daaac LTC: LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 454272 W: 114787 L: 115012 D: 224473 Ptnml(0-2): 246, 51168, 124553, 50903, 266 https://tests.stockfishchess.org/tests/view/6654f256a86388d5e27db131 closes https://github.com/official-stockfish/Stockfish/pull/5303 Bench: 1279635
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