Dev Builds » 20230706-2102

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 06:53:01 581823 4000 1396 715 1889 +59.73 ± 5.06 2 181 956 856 5 +122.63 ± 10.98
ncm-dbt-02 06:54:24 585502 4000 1341 713 1946 +55.0 ± 5.01 4 179 1008 803 6 +112.52 ± 10.65
ncm-dbt-03 06:53:58 585167 4002 1405 698 1899 +62.03 ± 5.06 2 173 949 870 7 +127.29 ± 11.02
ncm-dbt-04 06:53:43 568121 4000 1364 682 1954 +59.82 ± 5.09 1 181 965 841 12 +121.26 ± 10.92
ncm-dbt-05 06:54:27 577109 3998 1335 738 1925 +52.27 ± 5.19 3 215 973 798 10 +105.69 ± 10.9
20000 6841 3546 9613 +57.77 ± 2.27 12 929 4851 4168 40 +117.83 ± 4.87

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
426200 ncm-dbt-03 586139 2 1 0 1 +189.7 ± 55.98 0 0 0 1 0 +1129.65 ± 376.02 ↓
426199 ncm-dbt-02 586731 500 164 87 249 +53.93 ± 14.19 0 23 129 96 2 +107.54 ± 29.8 ↓
426198 ncm-dbt-04 568593 500 185 86 229 +69.71 ± 14.45 0 17 122 106 5 +137.37 ± 30.65 ↓
426197 ncm-dbt-05 576210 498 162 91 245 +49.87 ± 14.29 0 27 124 98 0 +101.89 ± 30.57 ↓
426196 ncm-dbt-01 583656 500 169 69 262 +70.43 ± 15.02 0 24 104 120 2 +143.89 ± 33.53 ↓
426195 ncm-dbt-03 585421 500 168 77 255 +63.94 ± 14.09 0 20 120 109 1 +130.94 ± 31.03 ↓
426194 ncm-dbt-04 562145 500 180 90 230 +63.23 ± 14.61 1 21 116 111 1 +130.94 ± 31.66 ↓
426193 ncm-dbt-01 575476 500 168 92 240 +53.22 ± 14.95 1 27 118 103 1 +109.07 ± 31.43 ↓
426192 ncm-dbt-05 581943 500 175 87 238 +61.79 ± 15.98 1 30 102 114 3 +124.6 ± 33.76 ↓
426191 ncm-dbt-02 585000 500 161 78 261 +58.21 ± 14.66 1 24 116 109 0 +121.46 ± 31.7 ↓
426190 ncm-dbt-03 583196 500 173 79 248 +66.1 ± 15.39 0 28 102 118 2 +134.15 ± 33.81 ↓
426189 ncm-dbt-04 568593 500 165 78 257 +61.07 ± 14.92 0 27 110 112 1 +124.6 ± 32.59 ↓
426188 ncm-dbt-05 577397 500 171 93 236 +54.65 ± 14.76 2 22 123 102 1 +113.68 ± 30.67 ↓
426187 ncm-dbt-02 587579 500 165 91 244 +51.8 ± 14.62 0 28 121 100 1 +104.49 ± 31.0 ↓
426186 ncm-dbt-01 582277 500 177 92 231 +59.64 ± 13.76 0 20 125 105 0 +123.02 ± 30.3 ↓
426185 ncm-dbt-03 584832 500 172 89 239 +58.21 ± 15.06 1 24 119 103 3 +116.78 ± 31.26 ↓
426184 ncm-dbt-04 570428 500 160 83 257 +53.93 ± 14.99 0 31 111 108 0 +110.6 ± 32.43 ↓
426183 ncm-dbt-01 581569 500 173 93 234 +56.07 ± 14.56 1 23 122 103 1 +115.23 ± 30.81 ↓
426182 ncm-dbt-05 571431 500 172 91 237 +56.78 ± 15.38 0 33 103 114 0 +116.78 ± 33.58 ↓
426181 ncm-dbt-02 585000 500 178 85 237 +65.38 ± 13.57 0 17 123 110 0 +135.76 ± 30.5 ↓
426180 ncm-dbt-03 582736 500 182 87 231 +66.82 ± 13.48 0 16 123 111 0 +138.99 ± 30.46 ↓
426179 ncm-dbt-04 567640 500 180 94 226 +60.36 ± 14.89 0 27 111 111 1 +123.02 ± 32.44 ↓
426178 ncm-dbt-05 576210 500 167 102 231 +45.42 ± 14.55 0 28 132 87 3 +88.0 ± 29.49 ↓
426177 ncm-dbt-01 582652 500 171 95 234 +53.22 ± 14.29 0 26 122 102 0 +109.07 ± 30.84 ↓
426176 ncm-dbt-02 584201 500 163 94 243 +48.26 ± 14.96 2 27 121 100 0 +101.46 ± 31.01 ↓
426175 ncm-dbt-03 586266 500 167 83 250 +58.93 ± 14.15 0 23 120 107 0 +121.46 ± 31.09 ↓
426174 ncm-dbt-01 582736 500 174 90 236 +58.93 ± 14.29 0 24 118 108 0 +121.46 ± 31.39 ↓
426173 ncm-dbt-04 568275 500 163 79 258 +58.93 ± 13.43 0 18 130 102 0 +121.46 ± 29.51 ↓
426172 ncm-dbt-05 580365 500 158 97 245 +42.6 ± 14.12 0 27 137 84 2 +83.57 ± 28.79 ↓
426171 ncm-dbt-02 586901 500 158 84 258 +51.8 ± 13.66 1 19 135 95 0 +107.54 ± 28.87 ↓
426170 ncm-dbt-03 585885 500 185 100 215 +59.64 ± 13.76 1 16 131 101 1 +123.02 ± 29.33 ↓
426169 ncm-dbt-01 583405 500 179 94 227 +59.64 ± 13.47 0 18 129 103 0 +123.02 ± 29.65 ↓
426168 ncm-dbt-05 575720 500 169 93 238 +53.22 ± 14.42 0 27 120 103 0 +109.07 ± 31.14 ↓
426167 ncm-dbt-03 587028 500 181 92 227 +62.51 ± 14.44 0 24 113 113 0 +129.35 ± 32.14 ↓
426166 ncm-dbt-04 569669 500 174 80 246 +66.1 ± 13.74 0 15 129 103 3 +132.54 ± 29.53 ↓
426165 ncm-dbt-02 587664 500 167 86 247 +56.78 ± 14.19 0 23 124 102 1 +115.23 ± 30.51 ↓
426164 ncm-dbt-01 582819 500 185 90 225 +66.82 ± 14.06 0 19 118 112 1 +137.37 ± 31.31 ↓
426163 ncm-dbt-04 569629 500 157 92 251 +45.42 ± 13.87 0 25 136 88 1 +90.97 ± 28.88 ↓
426162 ncm-dbt-03 585000 500 176 91 233 +59.64 ± 14.04 0 22 121 107 0 +123.02 ± 30.92 ↓
426161 ncm-dbt-05 577602 500 161 84 255 +53.93 ± 13.77 0 21 132 96 1 +109.07 ± 29.32 ↓
426160 ncm-dbt-02 580945 500 185 108 207 +53.93 ± 13.48 0 18 139 91 2 +107.54 ± 28.24 ↓

Commit

Commit ID f8e65d82ebf5754427a63116532733b7b7002f29
Author mstembera
Date 2023-07-06 21:02:11 UTC
Simplify away lookup_count. https://tests.stockfishchess.org/tests/view/64a3c1a93ee09aa549c53167 LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 32832 W: 8497 L: 8280 D: 16055 Ptnml(0-2): 80, 3544, 8967, 3729, 96 closes https://github.com/official-stockfish/Stockfish/pull/4662 No functional change
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