Dev Builds » 20230604-2105

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 06:56:04 582864 4014 1342 760 1912 +50.73 ± 5.13 3 217 988 793 6 +103.16 ± 10.81
ncm-dbt-02 06:55:16 586115 4000 1309 764 1927 +47.63 ± 5.13 4 223 1001 768 4 +97.13 ± 10.73
ncm-dbt-03 06:56:20 583900 4004 1279 755 1970 +45.73 ± 5.12 2 232 1015 746 7 +92.17 ± 10.65
ncm-dbt-04 06:55:27 569262 4000 1301 750 1949 +48.17 ± 5.06 5 198 1051 733 13 +96.75 ± 10.41
ncm-dbt-05 06:55:34 578598 3982 1308 747 1927 +49.28 ± 5.21 5 217 993 764 12 +99.29 ± 10.77
20000 6539 3776 9685 +48.31 ± 2.3 19 1087 5048 3804 42 +97.69 ± 4.77

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
427152 ncm-dbt-03 581028 4 2 0 2 +190.27 ± 27.79 0 0 0 2 0 +1199.83 ± 312.71
427151 ncm-dbt-01 582652 14 6 2 6 +102.08 ± 106.14 0 1 1 5 0 +225.71 ± 594.39
427150 ncm-dbt-05 582945 482 150 76 256 +53.77 ± 14.57 1 22 120 98 0 +111.83 ± 31.02
427149 ncm-dbt-02 586393 500 164 88 248 +53.22 ± 14.15 0 25 124 101 0 +109.07 ± 30.54
427148 ncm-dbt-04 570509 500 159 93 248 +46.13 ± 14.32 1 24 135 88 2 +92.46 ± 29.02
427147 ncm-dbt-03 584958 500 155 91 254 +44.72 ± 15.15 0 35 117 97 1 +89.48 ± 31.58
427146 ncm-dbt-01 584958 500 163 102 235 +42.6 ± 14.91 2 29 125 94 0 +89.48 ± 30.48
427145 ncm-dbt-05 577848 500 165 101 234 +44.72 ± 15.03 1 30 125 92 2 +89.48 ± 30.48
427144 ncm-dbt-04 567244 500 162 86 252 +53.22 ± 14.42 0 25 126 97 2 +106.01 ± 30.26
427143 ncm-dbt-02 585548 500 157 93 250 +44.72 ± 14.77 1 30 123 96 0 +92.46 ± 30.75
427142 ncm-dbt-03 582110 500 149 90 261 +41.19 ± 14.17 1 27 134 88 0 +85.04 ± 29.21
427141 ncm-dbt-01 583154 500 159 91 250 +47.55 ± 14.53 0 30 122 98 0 +96.94 ± 30.88
427140 ncm-dbt-05 581319 500 172 84 244 +61.79 ± 13.85 0 19 125 105 1 +126.18 ± 30.27
427139 ncm-dbt-04 569350 500 175 106 219 +48.25 ± 13.89 1 21 137 90 1 +98.44 ± 28.66
427138 ncm-dbt-02 588558 500 170 91 239 +55.36 ± 14.66 0 26 121 101 2 +110.6 ± 30.98
427137 ncm-dbt-01 583489 500 161 79 260 +57.5 ± 13.66 0 20 128 102 0 +118.33 ± 29.86
427136 ncm-dbt-03 584495 500 162 94 244 +47.55 ± 13.85 0 25 132 93 0 +96.94 ± 29.43
427135 ncm-dbt-05 576905 500 156 96 248 +41.89 ± 14.74 1 29 131 87 2 +83.57 ± 29.65
427134 ncm-dbt-04 570749 500 153 80 267 +51.09 ± 13.62 0 20 139 89 2 +101.46 ± 28.32
427133 ncm-dbt-01 579744 500 180 91 229 +62.51 ± 15.24 0 29 104 116 1 +127.76 ± 33.49
427132 ncm-dbt-03 586858 500 165 102 233 +44.01 ± 13.79 0 25 138 86 1 +88.0 ± 28.61
427131 ncm-dbt-02 584243 500 174 100 226 +51.8 ± 15.52 1 32 110 106 1 +106.01 ± 32.56
427130 ncm-dbt-05 576006 500 185 95 220 +63.23 ± 14.2 0 19 125 103 3 +126.18 ± 30.27
427129 ncm-dbt-01 581319 500 171 106 223 +45.42 ± 15.93 1 38 107 103 1 +92.46 ± 32.92
427128 ncm-dbt-04 568713 500 164 104 232 +41.89 ± 15.62 1 36 117 94 2 +83.57 ± 31.58
427127 ncm-dbt-03 585169 500 161 93 246 +47.54 ± 13.57 0 22 139 88 1 +95.44 ± 28.38
427126 ncm-dbt-02 585379 500 149 85 266 +44.72 ± 14.64 1 29 125 95 0 +92.46 ± 30.47
427125 ncm-dbt-05 570709 500 159 101 240 +40.48 ± 15.29 1 34 123 90 2 +80.63 ± 30.77
427124 ncm-dbt-04 568156 500 165 94 241 +49.67 ± 14.51 0 28 124 97 1 +99.95 ± 30.58
427123 ncm-dbt-01 583782 500 173 79 248 +66.1 ± 14.59 0 22 114 112 2 +134.15 ± 31.97
427122 ncm-dbt-03 583531 500 154 84 262 +48.96 ± 15.0 1 29 120 99 1 +99.95 ± 31.16
427121 ncm-dbt-02 585674 500 165 108 227 +39.78 ± 14.08 0 29 136 84 1 +79.17 ± 28.96
427120 ncm-dbt-05 580323 500 161 95 244 +46.13 ± 15.1 1 30 123 94 2 +92.46 ± 30.75
427119 ncm-dbt-01 583112 500 176 115 209 +42.6 ± 13.7 0 24 143 81 2 +83.57 ± 27.9
427118 ncm-dbt-03 585885 500 161 103 236 +40.48 ± 15.42 0 38 118 92 2 +79.17 ± 31.44
427117 ncm-dbt-04 569869 500 162 84 254 +54.65 ± 13.66 1 16 139 92 2 +110.6 ± 28.19
427116 ncm-dbt-02 585253 500 165 103 232 +43.31 ± 14.16 1 26 133 90 0 +89.48 ± 29.33
427115 ncm-dbt-05 582736 500 160 99 241 +42.6 ± 14.78 0 34 121 95 0 +86.52 ± 31.04
427114 ncm-dbt-01 583572 500 153 95 252 +40.48 ± 13.29 0 24 144 82 0 +82.1 ± 27.76
427113 ncm-dbt-03 581070 500 170 98 232 +50.38 ± 14.94 0 31 117 101 1 +101.46 ± 31.58
427112 ncm-dbt-04 569509 500 161 103 236 +40.48 ± 14.39 1 28 134 86 1 +82.1 ± 29.23
427111 ncm-dbt-02 587877 500 165 96 239 +48.25 ± 14.03 0 26 129 95 0 +98.44 ± 29.86

Commit

Commit ID ced0311890add58ab516b9c19608cbd1e1f295ed
Author Linmiao Xu
Date 2023-06-04 21:05:28 UTC
Remove static eval threshold for extensions when giving check Passed non-regression STC: https://tests.stockfishchess.org/tests/view/647685d54a36543c4c9f4f2a LLR: 2.93 (-2.94,2.94) <-1.75,0.25> Total: 114688 W: 30701 L: 30571 D: 53416 Ptnml(0-2): 336, 12708, 31136, 12818, 346 Passed non-regression LTC: https://tests.stockfishchess.org/tests/view/64774b02b81f005b572de770 LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 107310 W: 28920 L: 28796 D: 49594 Ptnml(0-2): 33, 10427, 32621, 10531, 43 closes https://github.com/official-stockfish/Stockfish/pull/4599 bench 2597974
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