Dev Builds » 20230329-1946

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 06:58:57 584177 3994 1245 777 1972 +40.9 ± 5.08 3 237 1052 699 6 +82.41 ± 10.43
ncm-dbt-02 06:57:57 586876 4000 1256 783 1961 +41.28 ± 5.15 1 254 1024 713 8 +82.47 ± 10.61
ncm-dbt-03 06:59:16 584718 4014 1280 786 1948 +42.98 ± 5.02 3 221 1070 705 8 +86.39 ± 10.32
ncm-dbt-04 06:58:21 569574 4016 1248 777 1991 +40.94 ± 5.2 1 267 1007 726 7 +81.94 ± 10.71
ncm-dbt-05 06:58:57 578441 3976 1229 813 1934 +36.48 ± 5.16 6 257 1044 677 4 +74.16 ± 10.49
20000 6258 3936 9806 +40.52 ± 2.29 14 1236 5197 3520 33 +81.48 ± 4.7

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
428494 ncm-dbt-03 585042 14 5 2 7 +75.56 ± 67.89 0 0 4 3 0 +159.09 ± 177.81 ↓
428493 ncm-dbt-04 567997 16 6 3 7 +65.91 ± 89.0 0 1 3 4 0 +136.97 ± 241.58 ↓
428492 ncm-dbt-05 579496 476 146 108 222 +27.8 ± 14.4 1 31 135 71 0 +57.45 ± 28.97 ↓
428491 ncm-dbt-01 585126 494 168 96 230 +51.0 ± 14.58 1 24 125 96 1 +104.3 ± 30.38 ↓
428490 ncm-dbt-02 586901 500 150 109 241 +28.55 ± 14.79 0 40 130 79 1 +56.07 ± 29.87 ↓
428489 ncm-dbt-03 584916 500 159 105 236 +37.67 ± 13.95 0 29 139 81 1 +74.79 ± 28.56 ↓
428488 ncm-dbt-04 570829 500 160 88 252 +50.38 ± 14.28 0 27 124 99 0 +102.97 ± 30.57 ↓
428487 ncm-dbt-05 574216 500 155 104 241 +35.56 ± 14.87 2 31 132 84 1 +73.34 ± 29.56 ↓
428486 ncm-dbt-01 583531 500 148 89 263 +41.19 ± 13.62 0 26 139 85 0 +83.57 ± 28.49 ↓
428485 ncm-dbt-02 587155 500 143 103 254 +27.85 ± 14.87 1 38 132 78 1 +56.07 ± 29.61 ↓
428484 ncm-dbt-03 579578 500 170 99 231 +49.67 ± 14.77 1 26 126 95 2 +99.95 ± 30.29 ↓
428483 ncm-dbt-04 570869 500 145 90 265 +38.37 ± 14.13 0 29 139 80 2 +74.79 ± 28.56 ↓
428482 ncm-dbt-05 578465 500 159 107 234 +36.26 ± 15.04 0 38 123 88 1 +71.89 ± 30.78 ↓
428481 ncm-dbt-01 582819 500 143 107 250 +25.06 ± 15.43 1 44 124 80 1 +50.38 ± 30.66 ↓
428480 ncm-dbt-02 585548 500 159 85 256 +51.8 ± 14.62 0 28 121 100 1 +104.49 ± 31.0 ↓
428479 ncm-dbt-03 586350 500 153 101 246 +36.26 ± 13.58 0 27 145 77 1 +71.89 ± 27.71 ↓
428478 ncm-dbt-04 569949 500 147 89 264 +40.48 ± 14.52 0 32 129 88 1 +80.63 ± 29.95 ↓
428477 ncm-dbt-05 580613 500 142 103 255 +27.15 ± 14.57 0 39 134 76 1 +53.22 ± 29.35 ↓
428476 ncm-dbt-02 586477 500 157 93 250 +44.72 ± 14.24 0 27 134 87 2 +88.0 ± 29.2 ↓
428475 ncm-dbt-01 583614 500 150 93 257 +39.78 ± 13.53 0 26 141 83 0 +80.63 ± 28.22 ↓
428474 ncm-dbt-03 583614 500 159 107 234 +36.27 ± 13.99 1 28 139 82 0 +74.79 ± 28.56 ↓
428473 ncm-dbt-04 571793 500 158 105 237 +36.97 ± 14.83 0 37 123 90 0 +74.79 ± 30.78 ↓
428472 ncm-dbt-05 580447 500 151 88 261 +44.01 ± 15.24 0 36 116 97 1 +88.0 ± 31.71 ↓
428471 ncm-dbt-01 583154 500 160 102 238 +40.48 ± 13.71 0 27 138 85 0 +82.1 ± 28.65 ↓
428470 ncm-dbt-02 585506 500 160 109 231 +35.56 ± 14.35 0 34 131 85 0 +71.89 ± 29.7 ↓
428469 ncm-dbt-03 584243 500 151 91 258 +41.89 ± 14.21 0 28 136 84 2 +82.1 ± 28.94 ↓
428468 ncm-dbt-04 568474 500 168 108 224 +41.89 ± 14.87 1 31 126 91 1 +85.04 ± 30.35 ↓
428467 ncm-dbt-05 573729 500 163 111 226 +36.27 ± 14.4 3 25 139 83 0 +77.71 ± 28.54 ↓
428466 ncm-dbt-01 584034 500 164 99 237 +45.42 ± 14.81 0 31 125 92 2 +89.48 ± 30.48 ↓
428465 ncm-dbt-02 586604 500 159 94 247 +45.42 ± 14.68 0 32 121 97 0 +92.46 ± 31.03 ↓
428464 ncm-dbt-04 569709 500 162 96 242 +46.13 ± 14.72 0 32 120 98 0 +93.95 ± 31.17 ↓
428463 ncm-dbt-03 585211 500 173 104 223 +48.25 ± 14.03 0 25 132 92 1 +96.94 ± 29.43 ↓
428462 ncm-dbt-01 584453 500 154 93 253 +42.6 ± 14.52 0 30 131 87 2 +83.57 ± 29.65 ↓
428461 ncm-dbt-05 575394 500 146 98 256 +33.46 ± 14.08 0 33 136 81 0 +67.55 ± 29.02 ↓
428460 ncm-dbt-04 569230 500 139 98 263 +28.55 ± 15.3 0 45 119 86 0 +57.5 ± 31.3 ↓
428459 ncm-dbt-02 587877 500 166 89 245 +53.93 ± 14.19 0 24 126 99 1 +109.07 ± 30.24 ↓
428458 ncm-dbt-03 585759 500 157 81 262 +53.22 ± 14.15 0 24 127 98 1 +107.54 ± 30.1 ↓
428457 ncm-dbt-02 588941 500 162 101 237 +42.6 ± 14.65 0 31 129 88 2 +83.57 ± 29.93 ↓
428456 ncm-dbt-04 567324 500 163 100 237 +44.01 ± 15.11 0 33 124 90 3 +85.04 ± 30.63 ↓
428455 ncm-dbt-01 586689 500 158 98 244 +41.9 ± 14.48 1 29 129 91 0 +86.52 ± 29.92 ↓
428454 ncm-dbt-05 585169 500 167 94 239 +51.09 ± 13.9 0 24 129 97 0 +104.49 ± 29.82 ↓
428453 ncm-dbt-03 587749 500 153 96 251 +39.78 ± 15.0 1 34 122 93 0 +82.1 ± 30.9 ↓

Commit

Commit ID 3f01e3f41f11aa66befec2307a32ee023c699a2a
Author peregrineshahin
Date 2023-03-29 19:46:23 UTC
Allow PvNode in futility pruning for captures. Passed non-regression STC: LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 148128 W: 39428 L: 39333 D: 69367 Ptnml(0-2): 492, 16326, 40315, 16457, 474 https://tests.stockfishchess.org/tests/view/641c2dbfdb43ab2ba6f804e8 Passed non-regression LTC: LLR: 2.96 (-2.94,2.94) <-1.75,0.25> Total: 376256 W: 100906 L: 101039 D: 174311 Ptnml(0-2): 186, 36697, 114494, 36566, 185 https://tests.stockfishchess.org/tests/view/641d33b2db43ab2ba6f83338 closes https://github.com/official-stockfish/Stockfish/pull/4470 bench: 4935616
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