Dev Builds » 20200706-1556

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 7225d254f90c7b9d64d4adf85ec2d319c6cf75a0
Author Stefan Geschwentner
Date 2020-07-06 15:56:18 UTC
Add a rank based bonus for blocked pawns. Fix for overevaluated blocked pawns on the 5th and 6th rank. This is a rewrite of the original idea that uses only two parameters. Thanks to rocky640 for pointing this out. STC: LLR: 2.94 (-2.94,2.94) {-0.50,1.50} Total: 50800 W: 9707 L: 9446 D: 31647 Ptnml(0-2): 831, 5851, 11822, 6018, 878 https://tests.stockfishchess.org/tests/view/5f00b4f359f6f03532894304 LTC: LLR: 2.93 (-2.94,2.94) {0.25,1.75} Total: 52064 W: 6477 L: 6167 D: 39420 Ptnml(0-2): 331, 4628, 15834, 4878, 361 https://tests.stockfishchess.org/tests/view/5f0115fe59f6f03532894345 closes https://github.com/official-stockfish/Stockfish/pull/2794 Bench: 4882833
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