Dev Builds » 20230412-1840

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 06:58:26 583986 4000 1276 819 1905 +39.87 ± 5.22 1 273 999 722 5 +80.08 ± 10.76
ncm-dbt-02 06:58:20 586375 4006 1266 797 1943 +40.86 ± 5.15 3 250 1033 709 8 +81.97 ± 10.55
ncm-dbt-03 06:59:20 586920 4002 1299 785 1918 +44.87 ± 5.13 1 238 1015 740 7 +90.18 ± 10.65
ncm-dbt-04 06:59:12 570138 3992 1189 787 2016 +35.11 ± 5.09 4 258 1071 658 5 +70.76 ± 10.33
ncm-dbt-05 06:58:15 583398 4000 1292 808 1900 +42.25 ± 5.09 1 240 1041 710 8 +84.49 ± 10.5
20000 6322 3996 9682 +40.59 ± 2.3 10 1259 5159 3539 33 +81.48 ± 4.72

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
393989 ncm-dbt-03 583447 2 1 1 0 0.0 ± 34.02 0 0 1 0 0 0.0 ± 30.47
393988 ncm-dbt-02 585632 6 2 2 2 0.0 ± 11.34 0 0 3 0 0 -0.0 ± 10.15
393987 ncm-dbt-04 569270 492 130 108 254 +15.55 ± 13.6 1 35 151 59 0 +32.58 ± 26.96
393986 ncm-dbt-01 583698 500 156 111 233 +31.36 ± 14.34 1 33 136 80 0 +64.66 ± 29.04
393985 ncm-dbt-03 584748 500 157 99 244 +40.48 ± 14.26 0 31 130 89 0 +82.1 ± 29.8
393984 ncm-dbt-05 581402 500 164 89 247 +52.51 ± 14.39 0 26 124 99 1 +106.01 ± 30.56
393983 ncm-dbt-02 585674 500 155 95 250 +41.89 ± 15.12 0 35 122 91 2 +82.1 ± 30.9
393982 ncm-dbt-04 564762 500 148 99 253 +34.16 ± 13.72 0 29 144 76 1 +67.55 ± 27.89
393981 ncm-dbt-03 588174 500 158 92 250 +46.13 ± 14.05 0 25 136 87 2 +90.97 ± 28.88
393980 ncm-dbt-01 585421 500 161 105 234 +39.08 ± 15.08 0 38 118 94 0 +79.17 ± 31.44
393979 ncm-dbt-05 584411 500 163 102 235 +42.6 ± 14.38 0 30 130 89 1 +85.04 ± 29.79
393978 ncm-dbt-02 587877 500 163 107 230 +39.08 ± 14.7 0 34 127 88 1 +77.71 ± 30.23
393977 ncm-dbt-04 573123 500 139 97 264 +29.25 ± 14.59 0 39 130 81 0 +58.93 ± 29.87
393976 ncm-dbt-03 587494 500 179 109 212 +48.96 ± 14.2 1 23 132 93 1 +99.95 ± 29.4
393975 ncm-dbt-02 586266 500 158 105 237 +36.97 ± 15.21 1 37 120 92 0 +76.25 ± 31.18
393974 ncm-dbt-01 582277 500 158 100 242 +40.48 ± 14.52 0 33 126 91 0 +82.1 ± 30.36
393973 ncm-dbt-05 583782 500 162 94 244 +47.54 ± 14.26 0 26 132 90 2 +93.95 ± 29.45
393972 ncm-dbt-04 571511 500 162 108 230 +37.67 ± 15.13 1 33 130 83 3 +73.34 ± 29.83
393971 ncm-dbt-03 587579 500 163 93 244 +48.96 ± 14.34 0 25 133 89 3 +95.44 ± 29.29
393970 ncm-dbt-02 586350 500 166 99 235 +46.84 ± 13.67 0 24 135 91 0 +95.44 ± 28.99
393969 ncm-dbt-01 583908 500 146 80 274 +46.13 ± 14.72 0 32 120 98 0 +93.95 ± 31.17
393968 ncm-dbt-05 585042 500 160 109 231 +35.56 ± 14.22 0 33 133 84 0 +71.89 ± 29.42
393967 ncm-dbt-04 571793 500 154 84 262 +48.96 ± 13.79 0 24 132 94 0 +99.95 ± 29.4
393966 ncm-dbt-02 585885 500 155 110 235 +31.35 ± 14.34 1 32 139 77 1 +63.23 ± 28.63
393965 ncm-dbt-03 588813 500 163 106 231 +39.78 ± 14.87 0 35 124 90 1 +79.17 ± 30.64
393964 ncm-dbt-01 580779 500 157 100 243 +39.78 ± 15.62 0 40 115 93 2 +77.71 ± 31.83
393963 ncm-dbt-05 580613 500 163 107 230 +39.08 ± 14.44 1 29 134 85 1 +79.17 ± 29.25
393962 ncm-dbt-02 585421 500 148 87 265 +42.6 ± 14.65 0 31 129 88 2 +83.57 ± 29.93
393961 ncm-dbt-04 569270 500 154 94 252 +41.89 ± 14.07 0 29 132 89 0 +85.04 ± 29.5
393960 ncm-dbt-03 587325 500 165 101 234 +44.72 ± 15.28 0 37 112 101 0 +90.97 ± 32.26
393959 ncm-dbt-01 586393 500 160 106 234 +37.67 ± 14.87 0 35 128 85 2 +73.34 ± 30.1
393958 ncm-dbt-05 584369 500 159 99 242 +41.89 ± 14.34 0 29 134 85 2 +82.1 ± 29.23
393957 ncm-dbt-04 570949 500 157 91 252 +46.13 ± 15.23 1 32 118 98 1 +93.95 ± 31.44
393956 ncm-dbt-02 587877 500 155 95 250 +41.89 ± 14.34 0 30 131 88 1 +83.57 ± 29.65
393955 ncm-dbt-03 585295 500 158 86 256 +50.38 ± 13.86 0 24 130 96 0 +102.97 ± 29.68
393954 ncm-dbt-05 582485 500 158 107 235 +35.56 ± 14.87 0 37 126 86 1 +70.44 ± 30.38
393953 ncm-dbt-01 586054 500 171 103 226 +47.55 ± 14.53 0 30 122 98 0 +96.94 ± 30.88
393952 ncm-dbt-02 586393 500 164 97 239 +46.84 ± 14.62 1 27 127 94 1 +95.44 ± 30.17
393951 ncm-dbt-04 570428 500 145 106 249 +27.16 ± 14.57 1 37 134 78 0 +56.07 ± 29.34
393950 ncm-dbt-01 583363 500 167 114 219 +36.97 ± 14.31 0 32 134 83 1 +73.34 ± 29.28
393949 ncm-dbt-03 589411 500 155 98 247 +39.78 ± 15.13 0 38 117 95 0 +80.63 ± 31.58
393948 ncm-dbt-05 585084 500 163 101 236 +43.3 ± 14.29 0 30 128 92 0 +88.0 ± 30.06

Commit

Commit ID f66c36277fe57d0ce4f10a4aeb5b41eb0cb9ebd1
Author Dubslow
Date 2023-04-12 18:40:53 UTC
Remove nmpColor no benefit seen, neither in game play nor for zugzwang test positions STC: https://tests.stockfishchess.org/tests/view/642e293977ff3301150e9b55 LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 161848 W: 43332 L: 43254 D: 75262 Ptnml(0-2): 418, 16987, 46058, 17021, 440 LTC: https://tests.stockfishchess.org/tests/view/642fea9420eb941419bde296 LLR: 2.95 (-2.94,2.94) <-1.75,0.25> Total: 120208 W: 32529 L: 32418 D: 55261 Ptnml(0-2): 35, 11424, 37080, 11525, 40 closes https://github.com/official-stockfish/Stockfish/pull/4511 bench 3979409
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