Dev Builds » 20220731-0900

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 06:53:45 582251 4000 1108 943 1949 +14.34 ± 5.27 7 375 1069 544 5 +29.08 ± 10.39
ncm-dbt-02 06:53:07 586808 3992 1080 972 1940 +9.4 ± 5.18 7 382 1110 490 7 +18.82 ± 10.15
ncm-dbt-03 06:53:59 585506 4012 1117 988 1907 +11.18 ± 5.2 4 394 1079 527 2 +22.72 ± 10.33
ncm-dbt-04 06:52:43 568750 4000 1142 924 1934 +18.95 ± 5.18 4 345 1086 559 6 +37.67 ± 10.28
ncm-dbt-05 06:54:07 582500 3996 1121 961 1914 +13.92 ± 5.19 3 373 1089 527 6 +27.36 ± 10.27
20000 5568 4788 9644 +13.56 ± 2.33 25 1869 5433 2647 26 +27.12 ± 4.6

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
415681 ncm-dbt-03 583782 12 4 3 5 +29.01 ± 98.94 0 1 3 2 0 +58.45 ± 226.57 ↓
415680 ncm-dbt-02 585421 492 145 118 229 +19.09 ± 13.89 0 38 143 65 0 +38.29 ± 28.09 ↓
415679 ncm-dbt-05 581818 496 144 116 236 +19.63 ± 15.89 1 50 118 78 1 +39.39 ± 31.41 ↓
415678 ncm-dbt-01 582152 500 140 118 242 +15.3 ± 15.57 1 51 124 73 1 +30.65 ± 30.66 ↓
415677 ncm-dbt-04 567363 500 148 114 238 +23.66 ± 14.58 1 39 135 75 0 +48.96 ± 29.23 ↓
415676 ncm-dbt-03 585421 500 118 118 264 -0.0 ± 14.03 0 53 144 53 0 -0.0 ± 28.1 ↓
415675 ncm-dbt-02 585970 500 141 113 246 +19.48 ± 14.65 0 43 138 67 2 +36.26 ± 28.86 ↓
415674 ncm-dbt-05 582694 500 131 125 244 +4.17 ± 14.67 0 55 134 61 0 +8.34 ± 29.41 ↓
415673 ncm-dbt-01 582819 500 140 105 255 +24.36 ± 14.5 1 38 136 75 0 +50.38 ± 29.09 ↓
415672 ncm-dbt-04 569350 500 133 118 249 +10.43 ± 13.78 0 44 147 59 0 +20.87 ± 27.68 ↓
415671 ncm-dbt-03 583447 500 132 129 239 +2.09 ± 15.6 2 58 125 65 0 +6.95 ± 30.53 ↓
415670 ncm-dbt-02 589069 500 119 128 253 -6.25 ± 15.1 3 56 139 51 1 -9.73 ± 28.76 ↓
415669 ncm-dbt-05 582736 500 141 115 244 +18.08 ± 14.54 0 44 137 68 1 +34.86 ± 28.99 ↓
415668 ncm-dbt-04 567126 500 129 122 249 +4.86 ± 14.09 0 50 143 57 0 +9.73 ± 28.23 ↓
415667 ncm-dbt-01 581902 500 144 128 228 +11.12 ± 13.57 0 42 150 58 0 +22.27 ± 27.27 ↓
415666 ncm-dbt-03 588047 500 146 119 235 +18.78 ± 15.47 0 51 122 76 1 +36.26 ± 30.91 ↓
415665 ncm-dbt-02 587113 500 136 123 241 +9.03 ± 14.45 0 49 140 60 1 +16.69 ± 28.62 ↓
415664 ncm-dbt-05 584622 500 144 115 241 +20.17 ± 14.7 0 43 137 68 2 +37.67 ± 28.99 ↓
415663 ncm-dbt-03 585126 500 145 130 225 +10.43 ± 14.95 1 50 132 67 0 +22.27 ± 29.65 ↓
415662 ncm-dbt-04 571150 500 153 102 245 +35.56 ± 15.0 0 39 121 90 0 +71.89 ± 31.04 ↓
415661 ncm-dbt-01 582819 500 138 125 237 +9.04 ± 14.19 0 48 141 61 0 +18.08 ± 28.49 ↓
415660 ncm-dbt-02 587367 500 137 120 243 +11.82 ± 15.79 1 56 118 75 0 +25.06 ± 31.39 ↓
415659 ncm-dbt-03 585674 500 147 135 218 +8.34 ± 14.65 1 49 137 63 0 +18.08 ± 29.01 ↓
415658 ncm-dbt-05 580696 500 137 128 235 +6.26 ± 14.98 1 53 132 64 0 +13.9 ± 29.66 ↓
415657 ncm-dbt-04 568633 500 154 122 224 +22.26 ± 14.21 0 39 141 69 1 +43.3 ± 28.43 ↓
415656 ncm-dbt-01 581361 500 139 122 239 +11.82 ± 14.81 0 51 131 68 0 +23.66 ± 29.78 ↓
415655 ncm-dbt-02 588047 500 130 119 251 +7.64 ± 13.53 0 43 154 52 1 +13.9 ± 26.73 ↓
415654 ncm-dbt-05 578342 500 148 137 215 +7.64 ± 13.67 0 45 149 56 0 +15.3 ± 27.42 ↓
415653 ncm-dbt-03 585506 500 135 109 256 +18.08 ± 14.54 0 44 137 68 1 +34.86 ± 28.99 ↓
415652 ncm-dbt-01 581735 500 141 122 237 +13.21 ± 14.92 2 45 135 68 0 +29.25 ± 29.26 ↓
415651 ncm-dbt-04 567205 500 152 117 231 +24.36 ± 15.01 1 41 131 76 1 +48.96 ± 29.75 ↓
415650 ncm-dbt-02 586943 500 132 123 245 +6.25 ± 15.46 3 49 136 60 2 +13.9 ± 29.15 ↓
415649 ncm-dbt-05 581902 500 145 117 238 +19.48 ± 14.9 1 43 134 71 1 +39.08 ± 29.38 ↓
415648 ncm-dbt-01 583154 500 138 111 251 +18.78 ± 16.29 2 51 117 78 2 +37.67 ± 31.52 ↓
415647 ncm-dbt-04 569111 500 145 117 238 +19.48 ± 15.76 1 47 129 69 4 +34.86 ± 30.03 ↓
415646 ncm-dbt-03 588899 500 134 116 250 +12.51 ± 14.61 0 49 134 67 0 +25.06 ± 29.4 ↓
415645 ncm-dbt-02 584537 500 140 128 232 +8.34 ± 14.13 0 48 142 60 0 +16.69 ± 28.36 ↓
415644 ncm-dbt-05 587197 500 131 108 261 +15.99 ± 13.85 0 40 148 61 1 +30.65 ± 27.52 ↓
415643 ncm-dbt-03 583656 500 156 129 215 +18.78 ± 13.81 0 39 145 66 0 +37.67 ± 27.91 ↓
415642 ncm-dbt-01 582068 500 128 112 260 +11.12 ± 15.13 1 49 135 63 2 +20.87 ± 29.27 ↓
415641 ncm-dbt-04 570068 500 128 112 260 +11.12 ± 14.5 1 46 139 64 0 +23.66 ± 28.75 ↓

Commit

Commit ID 18389e269d43af69c96521f3fe9d85e6b7ed073c
Author Dubslow
Date 2022-07-31 09:00:31 UTC
remove useClassical depth condition passed STC: https://tests.stockfishchess.org/tests/view/62e0c3e98e4fa6ae472695ed LLR: 2.96 (-2.94,2.94) <-2.25,0.25> Total: 293568 W: 78934 L: 79151 D: 135483 Ptnml(0-2): 1344, 31488, 81366, 31213, 1373 passed LTC: https://tests.stockfishchess.org/tests/view/62e190aa8e4fa6ae4726b5b5 LLR: 2.98 (-2.94,2.94) <-2.25,0.25> Total: 187392 W: 50971 L: 51028 D: 85393 Ptnml(0-2): 384, 17801, 57369, 17772, 370 other attempts to otherwise tune this parameter failed, bounds 6,7,10,11 failed STC, 8 passed STC but failed LTC closes https://github.com/official-stockfish/Stockfish/pull/4112 bench 5796377
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