Dev Builds » 20230525-1842

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 06:56:21 584986 4000 1277 783 1940 +43.13 ± 5.17 4 240 1023 724 9 +86.7 ± 10.61
ncm-dbt-02 06:57:25 588095 3998 1258 739 2001 +45.36 ± 4.96 1 210 1062 721 5 +91.57 ± 10.35
ncm-dbt-03 06:56:38 588097 3986 1288 761 1937 +46.21 ± 5.11 3 221 1023 738 8 +93.17 ± 10.59
ncm-dbt-04 06:56:21 572044 4016 1285 805 1926 +41.73 ± 5.01 1 234 1062 706 5 +83.96 ± 10.38
ncm-dbt-05 06:57:04 583665 4000 1230 757 2013 +41.28 ± 5.1 0 250 1033 711 6 +82.65 ± 10.55
20000 6338 3845 9817 +43.53 ± 2.27 9 1155 5203 3600 33 +87.59 ± 4.69

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
375442 ncm-dbt-04 572679 16 5 2 9 +65.91 ± 89.0 0 1 3 4 0 +136.97 ± 241.58
375441 ncm-dbt-03 589069 486 153 84 249 +49.66 ± 14.55 0 26 123 93 1 +99.89 ± 30.65
375440 ncm-dbt-05 583866 500 155 100 245 +38.37 ± 14.79 0 35 126 88 1 +76.25 ± 30.37
375439 ncm-dbt-02 588217 498 161 93 244 +47.74 ± 14.18 0 25 133 89 2 +94.34 ± 29.28
375438 ncm-dbt-01 583196 500 156 87 257 +48.25 ± 14.3 0 27 128 94 1 +96.94 ± 30.02
375437 ncm-dbt-04 569949 500 162 108 230 +37.67 ± 14.22 0 31 135 83 1 +74.79 ± 29.13
375436 ncm-dbt-03 587579 500 149 105 246 +30.65 ± 14.42 1 33 138 77 1 +61.79 ± 28.77
375435 ncm-dbt-05 585253 500 151 102 247 +34.16 ± 13.99 0 31 140 78 1 +67.55 ± 28.46
375434 ncm-dbt-02 584790 500 142 88 270 +37.67 ± 14.74 0 36 124 90 0 +76.25 ± 30.64
375433 ncm-dbt-01 584411 500 163 105 232 +40.48 ± 14.65 1 30 130 88 1 +82.1 ± 29.8
375432 ncm-dbt-04 572356 500 165 108 227 +39.78 ± 13.67 0 27 139 84 0 +80.63 ± 28.52
375431 ncm-dbt-03 587877 500 161 95 244 +46.13 ± 13.91 1 23 135 91 0 +95.44 ± 28.99
375430 ncm-dbt-05 583992 500 167 109 224 +40.48 ± 13.99 0 29 134 87 0 +82.1 ± 29.23
375429 ncm-dbt-01 585759 500 156 96 248 +41.89 ± 14.99 0 34 124 90 2 +82.1 ± 30.63
375428 ncm-dbt-02 585169 500 158 89 253 +48.25 ± 13.32 0 21 139 90 0 +98.44 ± 28.35
375427 ncm-dbt-04 572921 500 162 87 251 +52.51 ± 15.05 1 28 117 103 1 +107.54 ± 31.57
375426 ncm-dbt-05 584748 500 151 85 264 +46.13 ± 14.05 0 27 130 93 0 +93.95 ± 29.74
375425 ncm-dbt-03 587409 500 175 98 227 +53.93 ± 13.77 0 20 135 93 2 +107.54 ± 28.87
375424 ncm-dbt-02 589882 500 161 99 240 +43.3 ± 14.29 0 29 131 89 1 +86.52 ± 29.64
375423 ncm-dbt-01 587113 500 162 109 229 +36.97 ± 14.57 0 35 127 88 0 +74.79 ± 30.24
375422 ncm-dbt-04 571310 500 156 97 247 +41.19 ± 14.57 0 33 125 92 0 +83.57 ± 30.49
375421 ncm-dbt-05 582527 500 156 93 251 +44.01 ± 13.65 0 24 140 85 1 +88.0 ± 28.31
375420 ncm-dbt-03 590653 500 169 94 237 +52.51 ± 14.52 0 25 128 94 3 +102.97 ± 29.98
375419 ncm-dbt-02 589155 500 163 97 240 +46.13 ± 13.34 0 22 140 88 0 +93.95 ± 28.25
375418 ncm-dbt-04 573406 500 149 96 255 +36.97 ± 13.9 0 28 143 77 2 +71.89 ± 28.0
375417 ncm-dbt-01 584453 500 155 87 258 +47.55 ± 14.4 1 25 130 93 1 +96.94 ± 29.72
375416 ncm-dbt-05 580406 500 149 96 255 +36.97 ± 14.7 0 36 125 89 0 +74.79 ± 30.51
375415 ncm-dbt-03 588047 500 171 100 229 +49.67 ± 14.77 0 31 117 102 0 +101.46 ± 31.58
375414 ncm-dbt-04 571953 500 170 101 229 +48.25 ± 13.61 0 23 135 92 0 +98.44 ± 28.96
375413 ncm-dbt-02 588089 500 154 86 260 +47.55 ± 14.53 0 30 122 98 0 +96.94 ± 30.88
375412 ncm-dbt-01 585506 500 157 105 238 +36.26 ± 14.79 1 32 133 82 2 +71.89 ± 29.42
375411 ncm-dbt-03 588728 500 163 103 234 +41.9 ± 14.87 1 32 123 94 0 +86.52 ± 30.76
375410 ncm-dbt-04 572840 500 158 111 231 +32.75 ± 15.07 0 40 124 85 1 +64.66 ± 30.65
375409 ncm-dbt-05 585084 500 150 92 258 +40.48 ± 14.52 0 32 129 88 1 +80.63 ± 29.95
375408 ncm-dbt-02 589027 500 162 89 249 +51.09 ± 13.48 0 20 138 91 1 +102.97 ± 28.45
375407 ncm-dbt-01 584832 500 165 97 238 +47.54 ± 14.79 0 31 121 97 1 +95.44 ± 31.02
375406 ncm-dbt-04 570989 500 158 95 247 +44.01 ± 13.36 0 23 141 86 0 +89.48 ± 28.14
375405 ncm-dbt-03 585421 500 147 82 271 +45.42 ± 14.68 0 31 124 94 1 +90.97 ± 30.61
375404 ncm-dbt-05 583447 500 151 80 269 +49.67 ± 15.67 0 36 109 103 2 +98.44 ± 32.68
375403 ncm-dbt-02 590438 500 157 98 245 +41.19 ± 14.3 1 27 135 86 1 +83.57 ± 29.08
375402 ncm-dbt-01 584622 500 163 97 240 +46.13 ± 14.45 1 26 130 92 1 +93.95 ± 29.74

Commit

Commit ID cedd73f4aa9f83c2891105695ac11e743e6ceab7
Author FauziAkram
Date 2023-05-25 18:42:43 UTC
Simplify Futility pruning for captures Passed STC: LLR: 2.95 (-2.94,2.94) <-1.75,0.25> Total: 412928 W: 109433 L: 109620 D: 193875 Ptnml(0-2): 1071, 45929, 112650, 45744, 1070 https://tests.stockfishchess.org/tests/view/6468eac40db5177f2b76ef4d Passed LTC: LLR: 2.95 (-2.94,2.94) <-1.75,0.25> Total: 190200 W: 51465 L: 51420 D: 87315 Ptnml(0-2): 58, 18585, 57788, 18592, 77 https://tests.stockfishchess.org/tests/view/646b66520db5177f2b772a84 closes https://github.com/official-stockfish/Stockfish/pull/4583 bench: 2486604
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