Dev Builds » 20230405-0610

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 06:58:22 585593 4004 1239 762 2003 +41.59 ± 5.13 9 230 1041 719 3 +85.51 ± 10.5
ncm-dbt-02 06:58:05 587355 4004 1230 843 1931 +33.69 ± 4.93 3 245 1118 634 2 +68.2 ± 10.05
ncm-dbt-03 06:57:54 587447 4000 1267 789 1944 +41.72 ± 5.16 5 245 1021 725 4 +84.86 ± 10.62
ncm-dbt-04 06:57:51 571226 4000 1241 818 1941 +36.88 ± 5.15 3 268 1035 691 3 +74.61 ± 10.55
ncm-dbt-05 06:58:03 585250 3992 1255 798 1939 +39.95 ± 5.18 8 241 1040 700 7 +81.17 ± 10.51
20000 6232 4010 9758 +38.76 ± 2.28 28 1229 5255 3469 19 +78.84 ± 4.67

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
378694 ncm-dbt-01 585885 4 1 1 2 0.0 ± 17.0 0 0 2 0 0 -0.0 ± 15.22 ↓
378693 ncm-dbt-02 586943 4 2 1 1 +88.51 ± 137.63 0 0 1 1 0 +190.5 ± 634.21 ↓
378692 ncm-dbt-05 587579 492 162 104 226 +41.15 ± 14.89 1 31 123 91 0 +84.98 ± 30.74 ↓
378691 ncm-dbt-04 571511 500 156 104 240 +36.27 ± 14.66 1 33 129 87 0 +74.79 ± 29.96 ↓
378690 ncm-dbt-03 587325 500 160 108 232 +36.27 ± 14.66 1 33 129 87 0 +74.79 ± 29.96 ↓
378689 ncm-dbt-01 587240 500 153 82 265 +49.67 ± 14.64 1 27 122 100 0 +102.97 ± 30.86 ↓
378688 ncm-dbt-02 587367 500 149 110 241 +27.15 ± 13.77 0 34 143 73 0 +54.65 ± 28.11 ↓
378687 ncm-dbt-05 583447 500 156 104 240 +36.27 ± 14.53 1 32 131 86 0 +74.79 ± 29.69 ↓
378686 ncm-dbt-03 587113 500 164 91 245 +51.09 ± 14.18 1 23 128 98 0 +106.01 ± 29.96 ↓
378685 ncm-dbt-04 569869 500 147 96 257 +35.56 ± 14.22 0 33 133 84 0 +71.89 ± 29.42 ↓
378684 ncm-dbt-01 584285 500 161 97 242 +44.72 ± 15.03 2 27 128 91 2 +90.97 ± 30.05 ↓
378683 ncm-dbt-02 587367 500 156 101 243 +38.37 ± 13.44 0 26 143 81 0 +77.71 ± 27.95 ↓
378682 ncm-dbt-05 586646 500 157 95 248 +43.3 ± 15.45 2 32 119 96 1 +89.48 ± 31.31 ↓
378681 ncm-dbt-03 587240 500 162 111 227 +35.56 ± 15.37 0 41 118 90 1 +70.44 ± 31.44 ↓
378680 ncm-dbt-04 572840 500 166 103 231 +44.01 ± 14.86 1 31 122 96 0 +90.97 ± 30.89 ↓
378679 ncm-dbt-01 584369 500 142 94 264 +33.46 ± 13.67 1 27 145 77 0 +68.99 ± 27.73 ↓
378678 ncm-dbt-02 589796 500 165 100 235 +45.42 ± 13.59 0 24 137 89 0 +92.46 ± 28.72 ↓
378677 ncm-dbt-05 587707 500 160 101 239 +41.19 ± 14.03 0 28 136 85 1 +82.1 ± 28.94 ↓
378676 ncm-dbt-01 582485 500 148 98 254 +34.86 ± 15.08 0 40 120 90 0 +70.44 ± 31.17 ↓
378675 ncm-dbt-04 571029 500 150 97 253 +36.97 ± 15.08 1 35 125 88 1 +74.79 ± 30.51 ↓
378674 ncm-dbt-03 587325 500 152 106 242 +32.06 ± 13.98 1 30 141 78 0 +66.1 ± 28.33 ↓
378673 ncm-dbt-02 587409 500 164 117 219 +32.76 ± 14.03 0 33 137 80 0 +66.1 ± 28.89 ↓
378672 ncm-dbt-04 572880 500 173 106 221 +46.84 ± 14.22 0 28 127 95 0 +95.44 ± 30.17 ↓
378671 ncm-dbt-05 581943 500 151 94 255 +39.78 ± 14.61 1 30 131 87 1 +80.63 ± 29.67 ↓
378670 ncm-dbt-02 584874 500 153 120 227 +22.97 ± 14.53 1 39 136 74 0 +47.55 ± 29.1 ↓
378669 ncm-dbt-01 587197 500 156 105 239 +35.56 ± 13.39 1 24 148 77 0 +73.34 ± 27.25 ↓
378668 ncm-dbt-03 588600 500 159 92 249 +46.84 ± 14.22 1 25 130 94 0 +96.94 ± 29.72 ↓
378667 ncm-dbt-04 570228 500 147 111 242 +25.06 ± 15.31 0 45 126 77 2 +47.55 ± 30.4 ↓
378666 ncm-dbt-05 583698 500 146 92 262 +37.67 ± 14.74 0 34 130 84 2 +73.34 ± 29.83 ↓
378665 ncm-dbt-02 588004 500 157 99 244 +40.48 ± 14.39 0 30 134 84 2 +79.17 ± 29.25 ↓
378664 ncm-dbt-03 587155 500 157 87 256 +48.96 ± 14.34 0 26 130 92 2 +96.94 ± 29.72 ↓
378663 ncm-dbt-01 585632 500 156 86 258 +48.96 ± 14.2 0 26 129 94 1 +98.44 ± 29.86 ↓
378662 ncm-dbt-05 583740 500 165 91 244 +51.8 ± 14.62 2 21 130 95 2 +106.01 ± 29.66 ↓
378661 ncm-dbt-04 570669 500 145 99 256 +32.05 ± 13.98 0 33 138 79 0 +64.66 ± 28.76 ↓
378660 ncm-dbt-02 586562 500 150 101 249 +34.16 ± 13.72 1 27 144 78 0 +70.44 ± 27.87 ↓
378659 ncm-dbt-01 586985 500 153 98 249 +38.37 ± 14.4 1 30 132 87 0 +79.17 ± 29.53 ↓
378658 ncm-dbt-03 586689 500 154 93 253 +42.6 ± 14.52 0 32 125 93 0 +86.52 ± 30.48 ↓
378657 ncm-dbt-05 587240 500 158 117 225 +28.56 ± 14.14 1 33 140 76 0 +58.93 ± 28.51 ↓
378656 ncm-dbt-04 570789 500 157 102 241 +38.37 ± 13.99 0 30 135 85 0 +77.71 ± 29.11 ↓
378655 ncm-dbt-02 587877 500 134 94 272 +27.86 ± 13.96 1 32 143 74 0 +57.5 ± 28.1 ↓
378654 ncm-dbt-03 588132 500 159 101 240 +40.48 ± 15.29 1 35 120 93 1 +82.1 ± 31.18 ↓
378653 ncm-dbt-01 586266 500 169 101 230 +47.55 ± 15.56 3 29 115 103 0 +101.46 ± 31.86 ↓

Commit

Commit ID 1fee996999364bedbd9ca4c29649d5c7321947c5
Author Miguel Lahoz
Date 2023-04-05 06:10:34 UTC
Remove unneeded bitboard from MP Recent simplification has removed the need for an extra bitboard in MP struct. Use a local variable instead. STC: Passed Non-regression test https://tests.stockfishchess.org/tests/view/64294ae677ff3301150cba16 LLR: 2.96 (-2.94,2.94) <-1.75,0.25> Total: 64872 W: 17383 L: 17203 D: 30286 Ptnml(0-2): 179, 6675, 18546, 6859, 177 closes https://github.com/official-stockfish/Stockfish/pull/4490 No functional change.
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