Dev Builds » 20210522-1702

Use this dev build

NCM plays each Stockfish dev build 20,000 times against Stockfish 15. 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 49c79aa15ce5a0de54fe0f4cef1037751af3d7d1
Author bmc4
Date 2021-05-22 17:02:36 UTC
Simplify reduction for consecutive fails Revert the heuristic introduced in #3184, by which we reduced more the late sons of the root position after consecutive fail highs. --- Before new net architecture: STC: LLR: 2.95 (-2.94,2.94) <-2.50,0.50> Total: 226336 W: 20373 L: 20500 D: 185463 Ptnml(0-2): 755, 16087, 79595, 15992, 739 https://tests.stockfishchess.org/tests/view/609dec205085663412d08e9d LTC: LLR: 2.93 (-2.94,2.94) <-2.50,0.50> Total: 67432 W: 2411 L: 2375 D: 62646 Ptnml(0-2): 33, 1944, 29714, 2004, 21 https://tests.stockfishchess.org/tests/view/609ee30f5085663412d08fc3 --- After new net architecture: STC: LLR: 2.95 (-2.94,2.94) <-2.50,0.50> Total: 141752 W: 11591 L: 11617 D: 118544 Ptnml(0-2): 387, 9231, 51674, 9189, 395 https://tests.stockfishchess.org/tests/view/60a4320ace8ea25a3ef03cfd LTC: LLR: 2.95 (-2.94,2.94) <-2.50,0.50> Total: 294072 W: 9825 L: 9950 D: 274297 Ptnml(0-2): 121, 8610, 129681, 8521, 103 https://tests.stockfishchess.org/tests/view/60a51b5ece8ea25a3ef03dcd --- closes https://github.com/official-stockfish/Stockfish/pull/3490 Bench: 3752892
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