Dev Builds » 20230410-0856

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 06:58:12 584549 4000 1269 832 1899 +38.11 ± 5.19 4 265 1027 698 6 +76.79 ± 10.6
ncm-dbt-02 06:57:00 587259 4000 1238 787 1975 +39.34 ± 5.19 3 263 1021 706 7 +78.99 ± 10.63
ncm-dbt-03 06:56:44 586780 4000 1271 797 1932 +41.37 ± 5.07 4 234 1051 706 5 +83.75 ± 10.44
ncm-dbt-04 06:56:41 572238 4000 1300 780 1920 +45.42 ± 5.14 2 238 1002 754 4 +92.08 ± 10.73
ncm-dbt-05 06:57:41 583289 4000 1274 829 1897 +38.81 ± 5.15 1 259 1045 684 11 +76.79 ± 10.49
20000 6352 4025 9623 +40.61 ± 2.3 14 1259 5146 3548 33 +81.66 ± 4.73

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
378648 ncm-dbt-01 583321 500 165 104 231 +42.6 ± 13.98 0 28 133 89 0 +86.52 ± 29.35
378647 ncm-dbt-02 587452 500 154 105 241 +34.16 ± 15.16 0 40 122 87 1 +67.55 ± 30.91
378646 ncm-dbt-05 580862 500 154 103 243 +35.56 ± 13.81 0 30 139 81 0 +71.89 ± 28.58
378645 ncm-dbt-03 585126 500 152 101 247 +35.56 ± 14.61 0 36 127 87 0 +71.89 ± 30.24
378644 ncm-dbt-04 572558 500 167 93 240 +51.8 ± 14.22 0 25 127 97 1 +104.49 ± 30.12
378643 ncm-dbt-01 584117 500 147 109 244 +26.45 ± 14.13 0 36 141 72 1 +51.8 ± 28.4
378642 ncm-dbt-03 588004 500 161 107 232 +37.67 ± 14.22 1 29 135 85 0 +77.71 ± 29.11
378641 ncm-dbt-05 582652 500 165 103 232 +43.31 ± 14.95 1 32 121 96 0 +89.48 ± 31.03
378640 ncm-dbt-02 585590 500 162 105 233 +39.78 ± 15.38 1 36 119 93 1 +80.63 ± 31.31
378639 ncm-dbt-04 569789 500 171 104 225 +46.84 ± 14.88 1 29 123 96 1 +95.44 ± 30.74
378638 ncm-dbt-01 586223 500 165 112 223 +36.97 ± 14.7 1 33 128 88 0 +76.25 ± 30.1
378637 ncm-dbt-05 581111 500 156 107 237 +34.16 ± 14.52 0 34 135 79 2 +66.1 ± 29.17
378636 ncm-dbt-03 582569 500 156 93 251 +44.01 ± 14.33 0 29 130 90 1 +88.0 ± 29.77
378635 ncm-dbt-02 588217 500 143 101 256 +29.25 ± 15.22 1 38 132 76 3 +56.07 ± 29.61
378634 ncm-dbt-04 572679 500 149 95 256 +37.67 ± 14.74 0 35 127 87 1 +74.79 ± 30.24
378633 ncm-dbt-05 580075 500 169 106 225 +44.01 ± 14.33 0 28 133 87 2 +86.52 ± 29.35
378632 ncm-dbt-02 586901 500 160 103 237 +39.78 ± 14.35 0 32 129 89 0 +80.63 ± 29.95
378631 ncm-dbt-04 572396 500 155 87 258 +47.55 ± 14.53 0 30 122 98 0 +96.94 ± 30.88
378630 ncm-dbt-03 588472 500 162 92 246 +48.96 ± 13.5 0 22 136 92 0 +99.95 ± 28.8
378629 ncm-dbt-01 584874 500 145 89 266 +39.08 ± 14.17 0 31 132 87 0 +79.17 ± 29.53
378628 ncm-dbt-05 584874 500 153 105 242 +33.46 ± 14.74 0 37 129 83 1 +66.1 ± 29.99
378627 ncm-dbt-04 570789 500 159 95 246 +44.72 ± 13.97 0 27 132 91 0 +90.97 ± 29.47
378626 ncm-dbt-03 586350 500 160 87 253 +51.09 ± 14.58 1 26 122 101 0 +106.01 ± 30.85
378625 ncm-dbt-01 583154 500 170 111 219 +41.19 ± 15.21 2 32 121 95 0 +86.52 ± 31.04
378624 ncm-dbt-02 588004 500 150 79 271 +49.67 ± 13.97 0 25 129 96 0 +101.46 ± 29.84
378623 ncm-dbt-05 583824 500 163 96 241 +46.84 ± 13.53 0 21 143 84 2 +92.46 ± 27.8
378622 ncm-dbt-01 585674 500 156 103 241 +36.97 ± 15.21 0 39 120 90 1 +73.34 ± 31.18
378621 ncm-dbt-03 586435 500 168 100 232 +47.54 ± 14.66 0 29 126 93 2 +93.95 ± 30.32
378620 ncm-dbt-02 585970 500 160 96 244 +44.72 ± 14.9 1 30 124 94 1 +90.97 ± 30.61
378619 ncm-dbt-04 573284 500 155 101 244 +37.67 ± 15.25 1 37 119 93 0 +77.71 ± 31.31
378618 ncm-dbt-03 588856 500 144 100 256 +30.65 ± 14.55 1 34 136 78 1 +61.79 ± 29.05
378617 ncm-dbt-01 583992 500 156 104 240 +36.26 ± 14.66 1 30 138 78 3 +70.44 ± 28.73
378616 ncm-dbt-05 585759 500 159 103 238 +39.08 ± 15.46 0 39 118 91 2 +76.25 ± 31.44
378615 ncm-dbt-02 590310 500 138 96 266 +29.25 ± 14.32 0 37 134 79 0 +58.93 ± 29.33
378614 ncm-dbt-04 572437 500 178 107 215 +49.67 ± 14.51 0 29 121 100 0 +101.46 ± 31.01
378613 ncm-dbt-01 585042 500 165 100 235 +45.42 ± 15.32 0 36 114 99 1 +90.97 ± 31.99
378612 ncm-dbt-03 588430 500 168 117 215 +35.56 ± 14.22 1 29 139 80 1 +71.89 ± 28.58
378611 ncm-dbt-04 573973 500 166 98 236 +47.54 ± 14.13 0 26 131 92 1 +95.44 ± 29.59
378610 ncm-dbt-05 587155 500 155 106 239 +34.16 ± 15.04 0 38 127 83 2 +66.1 ± 30.25
378609 ncm-dbt-02 585632 500 171 102 227 +48.25 ± 14.03 0 25 132 92 1 +96.94 ± 29.43

Commit

Commit ID 1a64afb1c65591ccd374504c791eb27b762f6c8f
Author Maxim Masiutin
Date 2023-04-10 08:56:42 UTC
Do no initialize TM in all cases Avoid doing full TM initialization if it won't be used, avoids division by zero. closes https://github.com/official-stockfish/Stockfish/pull/4484 No functional change
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