Dev Builds » 20230405-0618

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 06:55:53 584123 4000 1276 805 1919 +41.1 ± 5.12 2 248 1032 713 5 +82.83 ± 10.56
ncm-dbt-02 06:56:30 587135 4000 1270 798 1932 +41.19 ± 5.12 2 247 1034 711 6 +82.83 ± 10.55
ncm-dbt-03 06:56:48 586962 4000 1253 823 1924 +37.49 ± 5.0 2 242 1085 666 5 +75.34 ± 10.24
ncm-dbt-04 06:56:35 569276 4000 1240 801 1959 +38.29 ± 5.14 3 259 1039 694 5 +77.16 ± 10.52
ncm-dbt-05 06:58:40 584053 4000 1278 822 1900 +39.78 ± 5.15 2 258 1028 706 6 +79.9 ± 10.59
20000 6317 4049 9634 +39.57 ± 2.28 11 1254 5218 3490 27 +79.61 ± 4.69

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
394372 ncm-dbt-05 584832 500 144 93 263 +35.56 ± 14.22 0 33 133 84 0 +71.89 ± 29.42
394371 ncm-dbt-04 571230 500 156 106 238 +34.86 ± 14.95 0 39 122 89 0 +70.44 ± 30.91
394370 ncm-dbt-01 584034 500 155 102 243 +36.97 ± 14.31 1 30 134 85 0 +76.25 ± 29.26
394369 ncm-dbt-02 586858 500 171 101 228 +48.96 ± 14.61 0 29 123 97 1 +98.44 ± 30.73
394368 ncm-dbt-03 587113 500 155 94 251 +42.6 ± 13.7 0 26 137 87 0 +86.52 ± 28.77
394367 ncm-dbt-05 583782 500 174 104 222 +48.96 ± 14.34 0 27 127 95 1 +98.44 ± 30.15
394366 ncm-dbt-04 568236 500 152 97 251 +38.37 ± 13.72 0 28 139 83 0 +77.71 ± 28.54
394365 ncm-dbt-01 581153 500 152 108 240 +30.65 ± 14.55 0 38 130 82 0 +61.79 ± 29.86
394364 ncm-dbt-03 586689 500 163 105 232 +40.48 ± 13.71 0 26 141 82 1 +80.63 ± 28.22
394363 ncm-dbt-02 584958 500 161 90 249 +49.67 ± 14.51 0 27 127 94 2 +98.44 ± 30.15
394362 ncm-dbt-05 578877 500 173 114 213 +41.19 ± 13.76 0 26 140 83 1 +82.1 ± 28.36
394361 ncm-dbt-04 566060 500 146 108 246 +26.46 ± 13.99 0 36 140 74 0 +53.22 ± 28.53
394360 ncm-dbt-03 588089 500 158 111 231 +32.76 ± 13.48 0 29 145 76 0 +66.1 ± 27.75
394359 ncm-dbt-01 584369 500 150 107 243 +29.95 ± 13.97 1 31 142 76 0 +61.79 ± 28.21
394358 ncm-dbt-02 586901 500 167 103 230 +44.72 ± 14.77 0 33 120 97 0 +90.97 ± 31.17
394357 ncm-dbt-04 572396 500 161 88 251 +51.09 ± 14.98 1 27 122 98 2 +102.97 ± 30.86
394356 ncm-dbt-05 583070 500 164 95 241 +48.25 ± 15.22 0 34 114 101 1 +96.94 ± 32.0
394355 ncm-dbt-01 581444 500 176 82 242 +66.1 ± 14.45 0 22 113 114 1 +135.76 ± 32.12
394354 ncm-dbt-03 588047 500 161 114 225 +32.75 ± 14.03 0 32 140 77 1 +64.66 ± 28.48
394353 ncm-dbt-02 586223 500 168 96 236 +50.38 ± 14.94 2 25 123 99 1 +104.49 ± 30.71
394352 ncm-dbt-01 583824 500 150 106 244 +30.65 ± 14.81 0 40 126 84 0 +61.79 ± 30.39
394351 ncm-dbt-04 568832 500 160 99 241 +42.6 ± 15.41 0 37 117 94 2 +83.57 ± 31.58
394350 ncm-dbt-05 585928 500 145 104 251 +28.55 ± 14.28 0 36 138 75 1 +56.07 ± 28.8
394349 ncm-dbt-03 588558 500 152 106 242 +32.05 ± 14.25 0 34 137 78 1 +63.23 ± 28.9
394348 ncm-dbt-02 588387 500 149 103 248 +32.05 ± 14.12 0 33 139 77 1 +63.23 ± 28.63
394347 ncm-dbt-04 570829 500 161 106 233 +38.37 ± 14.39 1 29 135 84 1 +77.71 ± 29.11
394346 ncm-dbt-01 585970 500 160 103 237 +39.78 ± 13.94 0 28 138 83 1 +79.17 ± 28.67
394345 ncm-dbt-03 583908 500 148 101 251 +32.75 ± 14.95 0 39 126 84 1 +64.66 ± 30.39
394344 ncm-dbt-05 585337 500 156 111 233 +31.35 ± 14.73 0 38 130 81 1 +61.79 ± 29.86
394343 ncm-dbt-02 588174 500 145 99 256 +32.05 ± 14.12 0 34 136 80 0 +64.66 ± 29.04
394044 ncm-dbt-03 586097 500 147 92 261 +38.37 ± 15.04 1 35 122 92 0 +79.17 ± 30.91
394043 ncm-dbt-01 586350 500 174 96 230 +54.64 ± 14.76 0 27 120 101 2 +109.07 ± 31.14
394042 ncm-dbt-05 583824 500 158 102 240 +39.08 ± 15.7 1 39 114 95 1 +79.17 ± 31.97
394041 ncm-dbt-04 567720 500 150 99 251 +35.56 ± 15.0 1 36 124 89 0 +73.34 ± 30.64
394040 ncm-dbt-02 587367 500 154 104 242 +34.86 ± 14.95 0 38 125 86 1 +68.99 ± 30.52
394039 ncm-dbt-01 585843 500 159 101 240 +40.48 ± 14.52 0 32 129 88 1 +80.63 ± 29.95
394038 ncm-dbt-03 587197 500 169 100 231 +48.25 ± 13.89 1 21 137 90 1 +98.44 ± 28.66
394037 ncm-dbt-05 586774 500 164 99 237 +45.42 ± 14.14 1 25 132 92 0 +93.95 ± 29.45
394036 ncm-dbt-04 568912 500 154 98 248 +39.08 ± 13.62 0 27 140 83 0 +79.17 ± 28.38
394035 ncm-dbt-02 588217 500 155 102 243 +36.97 ± 13.63 0 28 141 81 0 +74.79 ± 28.27

Commit

Commit ID a2737d8bb5e480563823820fb12a8887d61c991e
Author Muzhen Gaming
Date 2023-04-05 06:18:53 UTC
Simplify away piece count condition for useClassical Simplify away the piece count condition for useClassical. In compensation, the psq requirement is increased by 15%. Also updated the Elo estimate for useClassical, based on recent testing. Simplification STC: https://tests.stockfishchess.org/tests/view/642acbb577ff3301150d3ef5 LLR: 2.96 (-2.94,2.94) <-1.75,0.25> Total: 51984 W: 13906 L: 13707 D: 24371 Ptnml(0-2): 150, 5638, 14227, 5817, 160 Simplification LTC: https://tests.stockfishchess.org/tests/view/642b9c5777ff3301150d778a LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 119696 W: 32412 L: 32300 D: 54984 Ptnml(0-2): 53, 11529, 36567, 11651, 48 closes https://github.com/official-stockfish/Stockfish/pull/4494 Bench: 5089321
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