Dev Builds » 20200128-0931

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 d878bc8cda47044f4db37a954f25e6122dc0d0ca
Author 31m059
Date 2020-01-28 09:31:25 UTC
Less NMP if the position was previously in PV. The intention of the patch is to avoid aggressive null move pruning (NMP) in positions that have previously been found to be important (PV nodes). If we already do not apply NMP for current PV nodes, it makes sense to apply it less often for positions that have previously been PV nodes too. STC: LLR: 2.96 (-2.94,2.94) {-1.00,3.00} Total: 14959 W: 2921 L: 2782 D: 9256 Ptnml(0-2): 254, 1679, 3493, 1762, 282 http://tests.stockfishchess.org/tests/view/5e2f6637ab2d69d58394fcfd LTC: LLR: 2.95 (-2.94,2.94) {0.00,2.00} Total: 6442 W: 899 L: 753 D: 4790 Ptnml(0-2): 42, 549, 1885, 659, 61 http://tests.stockfishchess.org/tests/view/5e2f767bab2d69d58394fd04 closes https://github.com/official-stockfish/Stockfish/pull/2525 Bench: 4725546
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