Dev Builds » 20230703-1633

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 06:55:01 581886 4000 1354 711 1935 +56.34 ± 5.11 3 192 973 823 9 +114.65 ± 10.88
ncm-dbt-02 06:52:59 584841 4000 1355 698 1947 +57.59 ± 5.08 0 193 965 834 8 +116.97 ± 10.93
ncm-dbt-03 06:54:23 584586 4000 1337 757 1906 +50.74 ± 5.05 2 207 1003 785 3 +103.54 ± 10.71
ncm-dbt-04 06:53:24 570024 4000 1345 742 1913 +52.78 ± 5.09 3 201 992 798 6 +107.54 ± 10.77
ncm-dbt-05 06:54:05 585236 4000 1357 730 1913 +54.91 ± 5.05 2 191 992 808 7 +111.75 ± 10.76
20000 6748 3638 9614 +54.47 ± 2.27 10 984 4925 4048 33 +110.87 ± 4.83

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
408288 ncm-dbt-01 582360 500 167 93 240 +51.8 ± 14.75 1 27 119 103 0 +107.54 ± 31.29
408287 ncm-dbt-03 582611 500 167 100 233 +46.84 ± 14.75 0 32 119 99 0 +95.44 ± 31.3
408286 ncm-dbt-05 587325 500 166 87 247 +55.36 ± 14.53 0 26 120 103 1 +112.14 ± 31.13
408285 ncm-dbt-04 569151 500 170 91 239 +55.36 ± 15.19 0 32 107 111 0 +113.68 ± 33.0
408284 ncm-dbt-02 584958 500 176 78 246 +68.99 ± 14.14 0 19 115 115 1 +142.26 ± 31.77
408283 ncm-dbt-01 582652 500 168 85 247 +58.21 ± 13.97 0 21 126 102 1 +118.33 ± 30.18
408282 ncm-dbt-04 570268 500 173 95 232 +54.65 ± 14.22 1 20 131 96 2 +110.6 ± 29.47
408281 ncm-dbt-05 585379 500 186 90 224 +67.54 ± 13.95 0 18 119 112 1 +138.99 ± 31.13
408280 ncm-dbt-03 585084 500 162 92 246 +48.96 ± 13.93 1 22 133 94 0 +101.46 ± 29.24
408279 ncm-dbt-02 587537 500 168 92 240 +53.22 ± 14.56 0 26 124 98 2 +106.01 ± 30.56
408278 ncm-dbt-01 582945 500 172 96 232 +53.22 ± 14.95 1 28 115 106 0 +110.6 ± 31.86
408277 ncm-dbt-04 571511 500 174 84 242 +63.23 ± 14.2 0 22 116 112 0 +130.94 ± 31.66
408276 ncm-dbt-03 584748 500 161 97 242 +44.72 ± 14.24 0 28 131 90 1 +89.48 ± 29.62
408275 ncm-dbt-05 588132 500 173 95 232 +54.65 ± 14.49 2 20 127 100 1 +113.68 ± 30.06
408274 ncm-dbt-02 585506 500 158 92 250 +46.13 ± 14.45 0 30 124 96 0 +93.95 ± 30.6
408273 ncm-dbt-01 577192 500 173 91 236 +57.5 ± 14.76 0 26 118 104 2 +115.23 ± 31.41
408272 ncm-dbt-04 568037 500 155 92 253 +44.01 ± 14.33 0 30 127 93 0 +89.48 ± 30.19
408271 ncm-dbt-03 583279 500 175 82 243 +65.39 ± 14.42 1 20 114 115 0 +137.37 ± 31.96
408270 ncm-dbt-02 583614 500 177 87 236 +63.23 ± 14.2 0 21 119 109 1 +129.35 ± 31.2
408269 ncm-dbt-05 585042 500 166 99 235 +46.84 ± 14.09 0 27 129 94 0 +95.44 ± 29.88
408268 ncm-dbt-01 583447 500 170 89 241 +56.78 ± 13.62 0 19 132 98 1 +115.23 ± 29.26
408267 ncm-dbt-04 570029 500 176 90 234 +60.36 ± 14.07 0 21 123 105 1 +123.02 ± 30.61
408266 ncm-dbt-02 585843 500 178 92 230 +60.36 ± 14.49 0 25 114 111 0 +124.6 ± 31.99
408265 ncm-dbt-03 586308 500 165 93 242 +50.38 ± 14.28 0 27 124 99 0 +102.97 ± 30.57
408264 ncm-dbt-05 583196 500 149 97 254 +36.26 ± 14.66 0 34 132 82 2 +70.44 ± 29.57
408263 ncm-dbt-01 582068 500 157 88 255 +48.25 ± 14.83 1 27 126 94 2 +96.94 ± 30.31
408262 ncm-dbt-04 571310 500 167 98 235 +48.25 ± 15.34 1 32 115 101 1 +98.44 ± 31.86
408261 ncm-dbt-02 581569 500 169 78 253 +63.94 ± 14.09 0 19 123 106 2 +129.35 ± 30.56
408260 ncm-dbt-03 585506 500 170 103 227 +46.84 ± 14.88 0 31 123 94 2 +92.46 ± 30.75
408259 ncm-dbt-05 584622 500 160 94 246 +46.13 ± 14.32 0 28 129 92 1 +92.46 ± 29.89
408258 ncm-dbt-01 582318 500 172 79 249 +65.38 ± 14.0 0 20 117 113 0 +135.76 ± 31.48
408257 ncm-dbt-04 572800 500 171 98 231 +51.09 ± 14.04 1 21 133 94 1 +104.49 ± 29.21
408256 ncm-dbt-03 584958 500 173 102 225 +49.67 ± 13.25 0 20 139 91 0 +101.46 ± 28.32
408255 ncm-dbt-02 584874 500 163 90 247 +51.09 ± 14.72 0 29 120 100 1 +102.97 ± 31.15
408254 ncm-dbt-05 584117 500 177 94 229 +58.21 ± 14.39 0 24 120 105 1 +118.33 ± 31.1
408253 ncm-dbt-02 584832 500 166 89 245 +53.93 ± 14.19 0 24 126 99 1 +109.07 ± 30.24
408252 ncm-dbt-04 567086 500 159 94 247 +45.42 ± 13.59 0 23 140 86 1 +90.97 ± 28.28
408251 ncm-dbt-03 584201 500 164 88 248 +53.22 ± 14.42 0 27 120 103 0 +109.07 ± 31.14
408250 ncm-dbt-05 584076 500 180 74 246 +74.79 ± 13.47 0 14 116 120 0 +157.24 ± 31.47
408249 ncm-dbt-01 582110 500 175 90 235 +59.64 ± 14.73 0 24 120 103 3 +118.33 ± 31.1

Commit

Commit ID 5f8480a730cbc789d230dd28f276b8d35ce0a8a4
Author Muzhen Gaming
Date 2023-07-03 16:33:27 UTC
Simplify score improvement reduction Reduce depth by 2 based on score improvement, only for depths 3 to 11. Simplification STC: https://tests.stockfishchess.org/tests/view/64929a53dc7002ce609c7807 LLR: 2.95 (-2.94,2.94) <-1.75,0.25> Total: 238912 W: 63466 L: 63468 D: 111978 Ptnml(0-2): 564, 26262, 65805, 26262, 563 Simplification LTC: https://tests.stockfishchess.org/tests/view/64942e47dc7002ce609c9e07 LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 64452 W: 17485 L: 17320 D: 29647 Ptnml(0-2): 19, 6161, 19706, 6316, 24 closes https://github.com/official-stockfish/Stockfish/pull/4637 Bench: 2740142
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