Dev Builds » 20210211-2129

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
ncm-dbt-01 00:23:46 581028 230 14 101 115 -138.28 ± 19.94 6 75 34 0 0 -304.3 ± 58.88
ncm-dbt-02 00:22:54 586774 224 15 104 105 -146.08 ± 23.53 9 74 26 3 0 -311.26 ± 68.9
ncm-dbt-03 00:23:54 586012 238 14 104 120 -138.24 ± 18.9 5 80 34 0 0 -311.25 ± 58.98
ncm-dbt-04 00:23:38 570388 228 23 98 107 -118.7 ± 22.67 4 73 31 6 0 -253.48 ± 62.18
ncm-dbt-05 00:23:39 582444 232 19 107 106 -138.71 ± 20.96 5 81 27 3 0 -312.14 ± 67.55
1152 85 514 553 -135.92 ± 9.5 29 383 152 12 0 -297.57 ± 27.76

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
445962 ncm-dbt-02 586774 224 15 104 105 -146.08 ± 23.53 9 74 26 3 0 -311.26 ± 68.9
445961 ncm-dbt-04 570388 228 23 98 107 -118.7 ± 22.67 4 73 31 6 0 -253.48 ± 62.18
445960 ncm-dbt-01 581028 230 14 101 115 -138.28 ± 19.94 6 75 34 0 0 -304.3 ± 58.88
445959 ncm-dbt-05 582444 232 19 107 106 -138.71 ± 20.96 5 81 27 3 0 -312.14 ± 67.55
445958 ncm-dbt-03 586012 238 14 104 120 -138.24 ± 18.9 5 80 34 0 0 -311.25 ± 58.98

Commit

Commit ID 573f0e364ff4c1e5928be2ca947f65c5d4e177d5
Author mattginsberg
Date 2021-02-11 21:29:35 UTC
Better code for hash table generation This patch removes some magic numbers in TT bit management and introduce proper constants in the code, to improve documentation and ease further modifications. No function change
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