Dev Builds » 20220616-0512

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 06:51:23 585843 3996 1080 979 1937 +8.78 ± 5.17 1 406 1085 503 3 +17.23 ± 10.3
ncm-dbt-02 06:51:08 588708 4000 1113 970 1917 +12.43 ± 5.09 6 357 1129 504 4 +25.23 ± 10.04
ncm-dbt-03 06:51:37 589412 4000 1077 938 1985 +12.08 ± 5.15 5 373 1103 516 3 +24.53 ± 10.19
ncm-dbt-04 06:51:29 566429 4008 1094 1008 1906 +7.46 ± 5.24 5 414 1080 500 5 +14.92 ± 10.33
ncm-dbt-05 06:52:01 583436 3996 1090 940 1966 +13.05 ± 5.14 2 376 1093 524 3 +25.96 ± 10.25
20000 5454 4835 9711 +10.76 ± 2.31 19 1926 5490 2547 18 +21.57 ± 4.57

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
372535 ncm-dbt-04 567482 8 1 3 4 -88.62 ± 93.84 0 2 2 0 0 -190.67 ± 458.56 ↓
372534 ncm-dbt-01 585674 496 127 124 245 +2.1 ± 15.6 0 63 119 66 0 +4.2 ± 31.27 ↓
372533 ncm-dbt-03 588600 500 119 108 273 +7.64 ± 14.07 0 48 143 59 0 +15.3 ± 28.23 ↓
372532 ncm-dbt-05 584579 496 139 117 240 +15.42 ± 14.57 0 46 134 68 0 +30.9 ± 29.37 ↓
372531 ncm-dbt-02 586266 500 139 122 239 +11.82 ± 14.81 1 47 137 64 1 +23.66 ± 29.01 ↓
372530 ncm-dbt-04 566020 500 136 113 251 +15.99 ± 15.02 2 42 139 65 2 +32.05 ± 28.73 ↓
372529 ncm-dbt-05 580904 500 145 118 237 +18.78 ± 14.6 0 45 133 72 0 +37.67 ± 29.51 ↓
372528 ncm-dbt-01 587197 500 139 142 219 -2.08 ± 14.09 0 55 143 52 0 -4.17 ± 28.24 ↓
372527 ncm-dbt-03 590782 500 145 113 242 +22.27 ± 14.35 0 41 136 73 0 +44.72 ± 29.1 ↓
372526 ncm-dbt-02 590396 500 126 106 268 +13.9 ± 14.08 0 44 142 64 0 +27.85 ± 28.34 ↓
372525 ncm-dbt-04 565902 500 132 123 245 +6.26 ± 15.1 2 51 133 64 0 +15.3 ± 29.53 ↓
372524 ncm-dbt-01 585632 500 135 123 242 +8.34 ± 14.0 0 45 150 53 2 +13.9 ± 27.28 ↓
372523 ncm-dbt-05 581402 500 147 123 230 +16.69 ± 14.56 0 46 134 70 0 +33.46 ± 29.39 ↓
372522 ncm-dbt-03 590567 500 139 110 251 +20.17 ± 14.96 0 47 127 76 0 +40.48 ± 30.28 ↓
372521 ncm-dbt-02 589326 500 134 124 242 +6.95 ± 14.78 1 51 135 63 0 +15.3 ± 29.27 ↓
372520 ncm-dbt-04 566336 500 132 132 236 -0.0 ± 15.3 0 63 124 63 0 -0.0 ± 30.65 ↓
372519 ncm-dbt-01 584201 500 139 114 247 +17.39 ± 15.12 0 50 125 75 0 +34.86 ± 30.53 ↓
372518 ncm-dbt-03 588984 500 136 125 239 +7.64 ± 14.07 0 48 143 59 0 +15.3 ± 28.23 ↓
372517 ncm-dbt-05 586012 500 121 129 250 -5.56 ± 14.15 0 58 142 50 0 -11.12 ± 28.37 ↓
372516 ncm-dbt-04 566572 500 130 130 240 -0.0 ± 15.05 1 57 134 57 1 -0.0 ± 29.41 ↓
372515 ncm-dbt-02 588856 500 134 113 253 +14.6 ± 14.27 1 42 142 65 0 +30.65 ± 28.34 ↓
372514 ncm-dbt-01 587494 500 134 114 252 +13.91 ± 14.73 1 46 135 68 0 +29.25 ± 29.26 ↓
372513 ncm-dbt-03 589497 500 127 110 263 +11.82 ± 14.94 2 45 138 64 1 +25.06 ± 28.88 ↓
372512 ncm-dbt-05 581985 500 142 123 235 +13.21 ± 14.41 0 47 137 66 0 +26.46 ± 29.0 ↓
372511 ncm-dbt-04 564135 500 139 115 246 +16.69 ± 14.82 0 46 136 66 2 +30.65 ± 29.13 ↓
372510 ncm-dbt-02 588387 500 143 130 227 +9.03 ± 13.79 0 44 150 55 1 +16.69 ± 27.28 ↓
372509 ncm-dbt-01 588260 500 130 126 244 +2.78 ± 14.93 0 57 133 59 1 +4.17 ± 29.53 ↓
372508 ncm-dbt-05 583154 500 133 109 258 +16.69 ± 14.82 0 48 130 72 0 +33.46 ± 29.9 ↓
372507 ncm-dbt-02 588813 500 157 129 214 +19.48 ± 14.52 0 44 134 72 0 +39.08 ± 29.38 ↓
372506 ncm-dbt-03 588472 500 135 126 239 +6.25 ± 14.72 1 50 139 59 1 +12.51 ± 28.76 ↓
372505 ncm-dbt-04 566099 500 142 142 216 -0.0 ± 14.29 0 55 140 55 0 -0.0 ± 28.63 ↓
372504 ncm-dbt-01 586139 500 146 115 239 +21.57 ± 13.89 0 38 143 69 0 +43.3 ± 28.16 ↓
372503 ncm-dbt-05 585759 500 134 110 256 +16.69 ± 14.69 0 45 138 65 2 +30.65 ± 28.87 ↓
372502 ncm-dbt-02 588600 500 141 129 230 +8.34 ± 15.15 3 45 141 59 2 +18.08 ± 28.49 ↓
372501 ncm-dbt-04 567720 500 140 120 240 +13.9 ± 14.73 0 49 132 69 0 +27.85 ± 29.65 ↓
372500 ncm-dbt-03 589411 500 128 128 244 0.0 ± 15.05 2 55 134 59 0 +2.78 ± 29.41 ↓
372499 ncm-dbt-01 582152 500 130 121 249 +6.25 ± 14.47 0 52 137 61 0 +12.51 ± 29.02 ↓
372498 ncm-dbt-03 588984 500 148 118 234 +20.87 ± 14.11 0 39 143 67 1 +40.48 ± 28.17 ↓
372497 ncm-dbt-05 583698 500 129 111 260 +12.51 ± 14.49 2 41 145 61 1 +26.46 ± 27.94 ↓
372496 ncm-dbt-04 567601 500 142 130 228 +8.34 ± 14.26 0 49 140 61 0 +16.69 ± 28.62 ↓
372495 ncm-dbt-02 589027 500 139 117 244 +15.3 ± 13.66 0 40 148 62 0 +30.65 ± 27.52 ↓

Commit

Commit ID 6edc29d720b43383a04bd2208e9666a6f3173a64
Author bmc4
Date 2022-06-16 05:12:01 UTC
Simplify away condition in ttSave in probCut Remove condition for tte->save in probCut so it always saves on probCut cutoff. STC: LLR: 2.95 (-2.94,2.94) <-2.25,0.25> Total: 47848 W: 12921 L: 12782 D: 22145 Ptnml(0-2): 207, 5340, 12715, 5431, 231 https://tests.stockfishchess.org/tests/view/62a1f7c87bd8e641e44436f7 LTC: LLR: 2.97 (-2.94,2.94) <-2.25,0.25> Total: 132736 W: 35895 L: 35881 D: 60960 Ptnml(0-2): 109, 13384, 39360, 13414, 101 https://tests.stockfishchess.org/tests/view/62a2421a7bd8e641e444434f closes https://github.com/official-stockfish/Stockfish/pull/4069 bench: 5845802
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