Dev Builds » 20230422-0837

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 06:57:48 585644 3994 1237 784 1973 +39.58 ± 5.3 6 271 991 722 7 +80.02 ± 10.81
ncm-dbt-02 06:57:54 586614 4012 1284 807 1921 +41.5 ± 5.08 2 240 1051 705 8 +83.13 ± 10.44
ncm-dbt-03 06:58:00 587443 4002 1251 769 1982 +42.05 ± 5.08 2 239 1040 715 5 +84.81 ± 10.51
ncm-dbt-04 06:57:56 570663 3992 1273 783 1936 +42.86 ± 5.05 2 230 1045 714 5 +86.51 ± 10.47
ncm-dbt-05 06:58:08 583690 4000 1290 833 1877 +39.87 ± 5.1 1 250 1048 693 8 +79.53 ± 10.46
20000 6335 3976 9689 +41.17 ± 2.29 13 1230 5175 3549 33 +82.8 ± 4.71

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
375485 ncm-dbt-03 584622 2 1 0 1 +189.7 ± 55.98 0 0 0 1 0 +1129.65 ± 376.02
375484 ncm-dbt-02 588047 12 3 2 7 +29.01 ± 98.94 0 1 3 2 0 +58.45 ± 226.57
375483 ncm-dbt-04 570669 492 155 91 246 +45.45 ± 15.0 2 27 122 95 0 +95.55 ± 30.85
375482 ncm-dbt-05 587325 500 156 103 241 +36.97 ± 14.17 0 32 133 85 0 +74.79 ± 29.41
375481 ncm-dbt-01 585590 494 146 102 246 +31.03 ± 14.59 1 34 132 80 0 +64.01 ± 29.55
375480 ncm-dbt-03 584664 500 158 99 243 +41.19 ± 15.46 1 36 117 95 1 +83.57 ± 31.58
375479 ncm-dbt-02 584622 500 153 98 249 +38.37 ± 14.13 0 31 133 86 0 +77.71 ± 29.4
375478 ncm-dbt-01 585717 500 158 106 236 +36.26 ± 15.42 2 34 126 86 2 +73.34 ± 30.38
375477 ncm-dbt-04 567324 500 155 99 246 +39.08 ± 14.17 0 31 132 87 0 +79.17 ± 29.53
375476 ncm-dbt-05 581777 500 167 119 214 +33.46 ± 14.99 0 39 125 85 1 +66.1 ± 30.52
375475 ncm-dbt-03 586731 500 155 88 257 +46.84 ± 13.95 0 24 137 87 2 +92.46 ± 28.72
375474 ncm-dbt-02 587537 500 152 102 246 +34.86 ± 15.21 0 40 121 88 1 +68.99 ± 31.04
375473 ncm-dbt-01 586943 500 154 82 264 +50.38 ± 14.55 0 29 120 101 0 +102.97 ± 31.15
375472 ncm-dbt-05 585464 500 159 94 247 +45.42 ± 14.28 0 29 127 94 0 +92.46 ± 30.18
375471 ncm-dbt-04 570909 500 151 103 246 +33.46 ± 14.08 0 33 136 81 0 +67.55 ± 29.02
375470 ncm-dbt-03 589411 500 155 89 256 +46.13 ± 14.18 0 27 131 91 1 +92.46 ± 29.6
375469 ncm-dbt-02 587962 500 160 103 237 +39.78 ± 14.22 2 25 137 86 0 +83.57 ± 28.79
375468 ncm-dbt-01 585464 500 158 105 237 +36.97 ± 15.21 0 39 120 90 1 +73.34 ± 31.18
375467 ncm-dbt-05 584034 500 148 122 230 +18.08 ± 14.02 0 41 142 67 0 +36.26 ± 28.32
375466 ncm-dbt-04 569669 500 167 100 233 +46.84 ± 13.38 0 21 142 86 1 +93.95 ± 27.94
375465 ncm-dbt-02 587494 500 164 94 242 +48.96 ± 14.07 0 25 131 93 1 +98.44 ± 29.57
375464 ncm-dbt-03 586901 500 155 89 256 +46.13 ± 14.18 0 28 128 94 0 +93.95 ± 30.03
375463 ncm-dbt-01 583237 500 155 97 248 +40.48 ± 15.29 1 34 123 90 2 +80.63 ± 30.77
375462 ncm-dbt-04 570629 500 161 94 245 +46.84 ± 14.75 0 30 125 93 2 +92.46 ± 30.47
375461 ncm-dbt-05 580240 500 185 98 217 +61.07 ± 13.96 0 18 130 99 3 +121.46 ± 29.51
375460 ncm-dbt-02 590267 500 160 99 241 +42.6 ± 15.41 0 37 117 94 2 +83.57 ± 31.58
375459 ncm-dbt-03 587962 500 154 102 244 +36.26 ± 14.66 0 35 129 85 1 +71.89 ± 29.97
375458 ncm-dbt-01 585674 500 153 98 249 +38.37 ± 15.54 1 38 117 93 1 +77.71 ± 31.57
375457 ncm-dbt-05 584076 500 154 95 251 +41.19 ± 14.17 0 30 131 89 0 +83.57 ± 29.65
375456 ncm-dbt-04 573527 500 161 93 246 +47.55 ± 14.13 0 27 128 95 0 +96.94 ± 30.02
375455 ncm-dbt-02 584243 500 169 99 232 +48.96 ± 14.2 0 25 132 91 2 +96.94 ± 29.43
375454 ncm-dbt-03 588813 500 157 111 232 +32.06 ± 14.38 1 33 135 81 0 +66.1 ± 29.17
375453 ncm-dbt-01 587113 500 153 98 249 +38.37 ± 14.79 1 32 129 87 1 +77.71 ± 29.96
375452 ncm-dbt-04 570428 500 168 100 232 +47.54 ± 14.92 0 32 119 98 1 +95.44 ± 31.3
375451 ncm-dbt-05 584579 500 154 93 253 +42.6 ± 14.65 1 29 129 90 1 +86.52 ± 29.92
375450 ncm-dbt-02 587579 500 160 111 229 +34.16 ± 14.39 0 34 134 81 1 +67.55 ± 29.3
375449 ncm-dbt-03 589924 500 157 93 250 +44.72 ± 14.1 0 28 130 92 0 +90.97 ± 29.76
375448 ncm-dbt-04 572155 500 155 103 242 +36.26 ± 13.86 0 29 141 79 1 +71.89 ± 28.29
375447 ncm-dbt-01 585421 500 160 96 244 +44.72 ± 14.51 0 31 124 95 0 +90.97 ± 30.61
375446 ncm-dbt-03 587962 500 159 98 243 +42.6 ± 13.98 0 28 133 89 0 +86.52 ± 29.35
375445 ncm-dbt-02 581777 500 163 99 238 +44.72 ± 13.4 0 22 143 84 1 +89.48 ± 27.84
375444 ncm-dbt-05 582027 500 167 109 224 +40.48 ± 14.78 0 32 131 84 3 +77.71 ± 29.68

Commit

Commit ID 96b6c0b36f28f0ef5fa58f48405db710542521df
Author MinetaS
Date 2023-04-22 08:37:14 UTC
Remove some conditions at PV improvement reduction Non-regression STC: LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 63664 W: 17007 L: 16823 D: 29834 Ptnml(0-2): 163, 6998, 17336, 7162, 173 https://tests.stockfishchess.org/tests/view/6430b124028b029b01ac99f2 Non-regression LTC: LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 90016 W: 24399 L: 24258 D: 41359 Ptnml(0-2): 52, 8672, 27405, 8841, 38 https://tests.stockfishchess.org/tests/view/64310e74028b029b01ad3131 closes https://github.com/official-stockfish/Stockfish/pull/4526 Bench: 3661938
Copyright 2011–2024 Next Chess Move LLC