Dev Builds » 20200519-1453

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 dd1adce7488b20b4125946077bcbbf665b9797f7
Author xoto10
Date 2020-05-19 14:53:47 UTC
Increase base time use and limit max used. This change increases the base part of optimumTime at all depths. It also reduces the size of max_scale and thus maximumTime by using a linear scale instead of pow(x, 0.3) and by limiting max_scale to no more than 7 (previously as high as 8 or 9 at very high depths). Tested using the closedpos book: STC 10+0.1: LLR: 2.94 (-2.94,2.94) {-0.50,1.50} Total: 83696 W: 16813 L: 16508 D: 50375 Ptnml(0-2): 1315, 9649, 19686, 9812, 1386 https://tests.stockfishchess.org/tests/view/5ebfa92de9d85f94dc42989b LTC 60+0.6: LLR: 2.95 (-2.94,2.94) {0.25,1.75} Total: 39384 W: 5868 L: 5582 D: 27934 Ptnml(0-2): 276, 3697, 11489, 3925, 305 https://tests.stockfishchess.org/tests/view/5ec0a6dce9d85f94dc42995a Test for non-regression: STC Sudden Death 10+0 : LLR: 2.94 (-2.94,2.94) {-2.00,0.00} Total: 111976 W: 25661 L: 25768 D: 60547 Ptnml(0-2): 2567, 13420, 24118, 13319, 2564 https://tests.stockfishchess.org/tests/view/5ec23b3be9d85f94dc429a58 closes https://github.com/official-stockfish/Stockfish/pull/2685 Bench 4395562
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