Dev Builds » 20230202-1658

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 07:00:16 584090 4000 1234 874 1892 +31.35 ± 5.05 6 261 1106 621 6 +63.23 ± 10.14
ncm-dbt-02 07:00:17 585588 4000 1232 851 1917 +33.19 ± 5.29 5 296 1020 671 8 +66.46 ± 10.65
ncm-dbt-03 06:58:33 584066 4000 1213 863 1924 +30.48 ± 5.07 5 272 1096 622 5 +61.43 ± 10.2
ncm-dbt-04 07:01:40 568580 4006 1238 870 1898 +32.01 ± 5.24 3 303 1024 669 4 +64.39 ± 10.63
ncm-dbt-05 07:02:36 577105 3994 1211 809 1974 +35.09 ± 5.04 5 251 1080 659 2 +71.45 ± 10.28
20000 6128 4267 9605 +32.42 ± 2.3 24 1383 5326 3242 25 +65.38 ± 4.64

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
430564 ncm-dbt-04 564057 6 1 1 4 0.0 ± 11.34 0 0 3 0 0 -0.0 ± 10.15 ↓
430563 ncm-dbt-05 575965 494 158 96 240 +43.83 ± 14.04 0 26 134 86 1 +87.62 ± 29.14 ↓
430562 ncm-dbt-02 586520 500 149 98 253 +35.56 ± 15.0 1 34 130 83 2 +70.44 ± 29.84 ↓
430561 ncm-dbt-01 583237 500 150 101 249 +34.16 ± 13.85 0 31 139 80 0 +68.99 ± 28.6 ↓
430560 ncm-dbt-03 585674 500 152 108 240 +30.65 ± 13.75 1 28 148 72 1 +61.79 ± 27.35 ↓
430559 ncm-dbt-04 569270 500 155 114 231 +28.55 ± 14.14 0 35 140 74 1 +56.07 ± 28.52 ↓
430558 ncm-dbt-05 578671 500 153 104 243 +34.16 ± 14.13 1 30 138 81 0 +70.44 ± 28.73 ↓
430557 ncm-dbt-02 587155 500 150 108 242 +29.25 ± 15.22 1 41 123 85 0 +60.36 ± 30.78 ↓
430556 ncm-dbt-03 585632 500 167 106 227 +42.6 ± 14.52 0 32 125 93 0 +86.52 ± 30.48 ↓
430555 ncm-dbt-01 587197 500 148 101 251 +32.76 ± 13.76 0 31 141 78 0 +66.1 ± 28.33 ↓
430554 ncm-dbt-04 568275 500 156 105 239 +35.56 ± 14.87 0 37 126 86 1 +70.44 ± 30.38 ↓
430553 ncm-dbt-05 575150 500 149 88 263 +42.6 ± 14.91 0 34 122 93 1 +85.04 ± 30.9 ↓
430552 ncm-dbt-02 580323 500 143 93 264 +34.86 ± 14.83 0 37 127 85 1 +68.99 ± 30.25 ↓
430551 ncm-dbt-03 584706 500 158 101 241 +39.78 ± 13.1 0 23 147 80 0 +80.63 ± 27.32 ↓
430550 ncm-dbt-01 583656 500 159 116 225 +29.95 ± 14.76 1 36 133 79 1 +60.36 ± 29.46 ↓
430549 ncm-dbt-04 568355 500 154 119 227 +24.36 ± 15.62 1 46 121 81 1 +48.96 ± 31.04 ↓
430548 ncm-dbt-05 576741 500 152 101 247 +35.56 ± 13.53 0 28 143 79 0 +71.89 ± 28.0 ↓
430547 ncm-dbt-02 585506 500 164 115 221 +34.16 ± 16.13 1 45 109 94 1 +68.99 ± 32.58 ↓
430546 ncm-dbt-01 583489 500 162 112 226 +34.86 ± 15.33 0 41 119 89 1 +68.99 ± 31.3 ↓
430545 ncm-dbt-03 581569 500 141 110 249 +21.57 ± 15.06 2 40 134 73 1 +44.72 ± 29.37 ↓
430544 ncm-dbt-04 569270 500 152 108 240 +30.65 ± 14.55 1 35 133 81 0 +63.23 ± 29.45 ↓
430543 ncm-dbt-05 574419 500 150 107 243 +29.95 ± 13.84 1 30 144 75 0 +61.79 ± 27.93 ↓
430542 ncm-dbt-03 585253 500 157 113 230 +30.65 ± 14.42 0 37 132 81 0 +61.79 ± 29.59 ↓
430541 ncm-dbt-02 585337 500 144 119 237 +17.39 ± 15.0 2 42 136 69 1 +36.26 ± 29.12 ↓
430540 ncm-dbt-01 581444 500 154 111 235 +29.95 ± 14.76 1 34 139 73 3 +57.5 ± 28.65 ↓
430539 ncm-dbt-04 568792 500 147 105 248 +29.25 ± 14.84 0 41 126 83 0 +58.93 ± 30.4 ↓
430538 ncm-dbt-01 584622 500 146 99 255 +32.76 ± 14.3 1 31 139 78 1 +66.1 ± 28.61 ↓
430537 ncm-dbt-03 579868 500 134 92 274 +29.25 ± 14.19 0 36 136 78 0 +58.93 ± 29.06 ↓
430536 ncm-dbt-02 588004 500 164 101 235 +44.01 ± 14.06 0 26 137 85 2 +86.52 ± 28.77 ↓
430535 ncm-dbt-05 578218 500 142 98 260 +30.65 ± 14.68 1 36 131 82 0 +63.23 ± 29.72 ↓
430534 ncm-dbt-04 570228 500 169 105 226 +44.72 ± 14.37 0 30 126 94 0 +90.97 ± 30.33 ↓
430533 ncm-dbt-03 585548 500 155 123 222 +22.26 ± 14.6 0 41 138 69 2 +41.89 ± 28.84 ↓
430532 ncm-dbt-01 583908 500 159 119 222 +27.86 ± 13.96 2 29 146 73 0 +58.93 ± 27.66 ↓
430531 ncm-dbt-02 587664 500 164 102 234 +43.3 ± 14.69 0 33 122 95 0 +88.0 ± 30.9 ↓
430530 ncm-dbt-05 577028 500 155 105 240 +34.86 ± 14.31 0 34 132 84 0 +70.44 ± 29.57 ↓
430529 ncm-dbt-04 570068 500 154 107 239 +32.75 ± 15.44 0 43 118 88 1 +64.66 ± 31.43 ↓
430528 ncm-dbt-03 584285 500 149 110 241 +27.16 ± 14.83 2 35 136 76 1 +56.07 ± 29.07 ↓
430527 ncm-dbt-02 584201 500 154 115 231 +27.15 ± 14.44 0 38 136 75 1 +53.22 ± 29.08 ↓
430526 ncm-dbt-01 585169 500 156 115 229 +28.56 ± 13.46 1 28 150 71 0 +58.93 ± 27.08 ↓
430525 ncm-dbt-05 580655 500 152 110 238 +29.25 ± 14.59 2 33 136 79 0 +61.79 ± 29.05 ↓
430524 ncm-dbt-04 568912 500 150 106 244 +30.65 ± 14.68 1 36 131 82 0 +63.23 ± 29.72 ↓

Commit

Commit ID 3589bd008a3470336b3587e3a292a4cd6b02bf6b
Author Joost VandeVondele
Date 2023-02-02 16:58:05 UTC
Update WLD model update the WLD model with about 400M positions extracted from recent LTC games after the net updates. This ensures that the 50% win rate is again at 1.0 eval. closes https://github.com/official-stockfish/Stockfish/pull/4373 No functional change.
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