Dev Builds » 20220911-1215

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 06:53:19 584187 4016 1137 971 1908 +14.37 ± 5.35 7 391 1046 557 7 +28.79 ± 10.52
ncm-dbt-02 06:53:02 586510 4000 1134 942 1924 +16.69 ± 5.2 5 362 1070 562 1 +34.16 ± 10.38
ncm-dbt-03 06:51:50 586478 3992 1120 952 1920 +14.63 ± 5.16 9 345 1118 517 7 +29.66 ± 10.1
ncm-dbt-04 06:53:09 569484 4000 1140 936 1924 +17.73 ± 5.22 5 358 1068 566 3 +35.91 ± 10.39
ncm-dbt-05 06:53:10 584634 3992 1132 944 1916 +16.37 ± 5.24 10 354 1071 560 1 +34.4 ± 10.37
20000 5663 4745 9592 +15.96 ± 2.34 36 1810 5373 2762 19 +32.58 ± 4.63

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
415455 ncm-dbt-01 583321 16 4 7 5 -65.88 ± 61.23 0 3 5 0 0 -136.9 ± 147.45 ↓
415454 ncm-dbt-03 585506 492 134 122 236 +8.48 ± 14.89 2 46 136 62 0 +19.79 ± 29.09 ↓
415453 ncm-dbt-05 584034 492 142 121 229 +14.84 ± 15.4 1 49 124 72 0 +31.15 ± 30.65 ↓
415452 ncm-dbt-04 569390 500 138 124 238 +9.73 ± 15.5 2 52 126 70 0 +22.27 ± 30.41 ↓
415451 ncm-dbt-02 586646 500 140 111 249 +20.17 ± 14.7 0 45 131 74 0 +40.48 ± 29.77 ↓
415450 ncm-dbt-01 584034 500 135 141 224 -4.17 ± 15.77 1 67 119 63 0 -6.95 ± 31.26 ↓
415449 ncm-dbt-03 586646 500 131 117 252 +9.73 ± 15.02 1 49 137 61 2 +18.08 ± 29.01 ↓
415448 ncm-dbt-05 585759 500 154 110 236 +30.65 ± 14.42 2 31 138 79 0 +64.66 ± 28.76 ↓
415447 ncm-dbt-04 569909 500 141 126 233 +10.43 ± 14.82 1 48 137 63 1 +20.87 ± 29.01 ↓
415446 ncm-dbt-02 586435 500 148 128 224 +13.91 ± 14.08 1 41 145 63 0 +29.25 ± 27.93 ↓
415445 ncm-dbt-01 587749 500 140 125 235 +10.43 ± 15.32 3 47 132 68 0 +25.06 ± 29.65 ↓
415444 ncm-dbt-05 585169 500 142 119 239 +15.99 ± 15.86 1 54 116 79 0 +33.46 ± 31.64 ↓
415443 ncm-dbt-03 586435 500 136 121 243 +10.43 ± 14.31 0 48 139 63 0 +20.87 ± 28.75 ↓
415442 ncm-dbt-04 569031 500 141 113 246 +19.48 ± 14.52 0 44 134 72 0 +39.08 ± 29.38 ↓
415441 ncm-dbt-02 587282 500 128 115 257 +9.04 ± 14.71 0 52 133 65 0 +18.08 ± 29.53 ↓
415440 ncm-dbt-01 583950 500 150 117 233 +22.96 ± 14.91 0 43 133 72 2 +43.3 ± 29.5 ↓
415439 ncm-dbt-03 586774 500 146 124 230 +15.3 ± 14.45 2 40 142 66 0 +33.46 ± 28.33 ↓
415438 ncm-dbt-05 582485 500 141 107 252 +23.66 ± 13.92 1 34 145 70 0 +48.96 ± 27.86 ↓
415437 ncm-dbt-04 571551 500 141 122 237 +13.21 ± 15.29 0 54 123 73 0 +26.46 ± 30.78 ↓
415436 ncm-dbt-02 585211 500 137 123 240 +9.73 ± 13.86 0 45 146 59 0 +19.48 ± 27.82 ↓
415435 ncm-dbt-01 582527 500 149 118 233 +21.57 ± 14.81 1 41 135 72 1 +43.3 ± 29.24 ↓
415434 ncm-dbt-05 580613 500 142 123 235 +13.21 ± 15.17 2 46 134 67 1 +27.85 ± 29.39 ↓
415433 ncm-dbt-03 587962 500 145 118 237 +18.78 ± 14.98 2 41 136 70 1 +39.08 ± 29.11 ↓
415432 ncm-dbt-02 588643 500 153 106 241 +32.76 ± 14.82 0 39 125 86 0 +66.1 ± 30.52 ↓
415431 ncm-dbt-04 568554 500 137 100 263 +25.76 ± 14.86 1 40 130 79 0 +53.22 ± 29.88 ↓
415430 ncm-dbt-01 582444 500 138 113 249 +17.39 ± 15.0 1 45 133 70 1 +34.86 ± 29.51 ↓
415429 ncm-dbt-03 584958 500 153 113 234 +27.85 ± 14.62 0 38 136 74 2 +53.22 ± 29.08 ↓
415428 ncm-dbt-05 586731 500 137 126 237 +7.65 ± 15.46 3 50 130 67 0 +19.48 ± 29.91 ↓
415427 ncm-dbt-04 572155 500 145 113 242 +22.27 ± 14.86 1 41 134 73 1 +44.72 ± 29.37 ↓
415426 ncm-dbt-02 585801 500 145 119 236 +18.08 ± 15.9 1 53 115 81 0 +37.67 ± 31.77 ↓
415425 ncm-dbt-01 582569 500 124 109 267 +10.42 ± 15.32 0 55 126 68 1 +19.48 ± 30.41 ↓
415424 ncm-dbt-03 586435 500 139 116 245 +15.99 ± 13.72 1 37 150 62 0 +33.46 ± 27.23 ↓
415423 ncm-dbt-05 585169 500 142 120 238 +15.3 ± 14.45 0 46 136 68 0 +30.65 ± 29.13 ↓
415422 ncm-dbt-02 585843 500 138 121 241 +11.82 ± 15.43 3 47 130 70 0 +27.85 ± 29.9 ↓
415421 ncm-dbt-01 585421 500 157 121 222 +25.06 ± 14.81 0 42 131 76 1 +48.96 ± 29.75 ↓
415420 ncm-dbt-04 566612 500 136 118 246 +12.51 ± 13.83 0 43 146 61 0 +25.06 ± 27.81 ↓
415419 ncm-dbt-03 587113 500 136 121 243 +10.43 ± 14.7 1 46 142 59 2 +19.48 ± 28.36 ↓
415418 ncm-dbt-05 587113 500 132 118 250 +9.73 ± 13.72 0 44 148 58 0 +19.48 ± 27.55 ↓
415417 ncm-dbt-02 586223 500 145 119 236 +18.08 ± 14.02 0 40 145 64 1 +34.86 ± 27.92 ↓
415416 ncm-dbt-01 585674 500 140 120 240 +13.9 ± 15.1 1 48 132 68 1 +27.85 ± 29.65 ↓
415415 ncm-dbt-04 568673 500 161 120 219 +28.55 ± 14.28 0 36 138 75 1 +56.07 ± 28.8 ↓

Commit

Commit ID 1591e5ac3b24f068f965471f17d7aae33ceaab9f
Author Michael Chaly
Date 2022-09-11 12:15:54 UTC
Do less singular extensions for former PVnode Patch is a reintroduction of logic what was simplified a while ago in a slightly different form. Do bigger extension offset in case of non-pv node having a pv. passed STC https://tests.stockfishchess.org/tests/view/631977c048f27688a06e66d5 LLR: 2.94 (-2.94,2.94) <0.00,2.00> Total: 23296 W: 6404 L: 6108 D: 10784 Ptnml(0-2): 88, 2539, 6118, 2795, 108 passed LTC https://tests.stockfishchess.org/tests/view/631989cb48f27688a06e696c LLR: 2.94 (-2.94,2.94) <0.50,2.50> Total: 235592 W: 63890 L: 63188 D: 108514 Ptnml(0-2): 275, 23392, 69804, 24006, 319 closes https://github.com/official-stockfish/Stockfish/pull/4159 Bench: 3993611
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