Dev Builds » 20221219-1711

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 07:00:28 583892 3998 1086 903 2009 +15.91 ± 5.16 5 357 1089 546 2 +32.42 ± 10.27
ncm-dbt-02 07:00:58 587089 3996 1132 887 1977 +21.33 ± 5.22 5 341 1058 592 2 +43.35 ± 10.44
ncm-dbt-03 06:59:57 586856 4010 1158 906 1946 +21.86 ± 5.16 3 333 1084 579 6 +43.37 ± 10.29
ncm-dbt-04 06:58:05 571685 4000 1153 913 1934 +20.87 ± 5.14 5 326 1098 566 5 +41.89 ± 10.21
ncm-dbt-05 07:00:15 583658 3996 1123 907 1966 +18.8 ± 5.16 3 346 1085 560 4 +37.53 ± 10.29
20000 5652 4516 9832 +19.76 ± 2.31 21 1703 5414 2843 19 +39.71 ± 4.61

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
379042 ncm-dbt-03 587919 10 3 3 4 -0.0 ± 99.06 0 1 3 1 0 -0.0 ± 217.03 ↓
379041 ncm-dbt-01 585843 498 139 103 256 +25.16 ± 14.74 1 39 132 77 0 +52.01 ± 29.61 ↓
379040 ncm-dbt-05 583447 496 134 104 258 +21.04 ± 15.13 0 46 127 74 1 +40.81 ± 30.27 ↓
379039 ncm-dbt-02 587240 496 142 110 244 +22.44 ± 14.98 0 44 129 74 1 +43.66 ± 30.01 ↓
379038 ncm-dbt-04 571712 500 146 104 250 +29.25 ± 14.84 1 37 132 79 1 +58.93 ± 29.6 ↓
379037 ncm-dbt-03 584076 500 150 97 253 +36.97 ± 15.08 0 38 122 89 1 +73.34 ± 30.91 ↓
379036 ncm-dbt-02 586012 500 138 119 243 +13.21 ± 14.67 1 46 136 67 0 +27.85 ± 29.13 ↓
379035 ncm-dbt-01 584495 500 133 118 249 +10.43 ± 15.32 2 50 129 69 0 +23.66 ± 30.03 ↓
379034 ncm-dbt-05 584579 500 132 113 255 +13.21 ± 14.41 1 44 140 65 0 +27.85 ± 28.61 ↓
379033 ncm-dbt-03 586689 500 136 112 252 +16.69 ± 13.77 0 39 149 61 1 +32.05 ± 27.38 ↓
379032 ncm-dbt-04 573649 500 140 122 238 +12.51 ± 14.87 1 48 133 68 0 +26.46 ± 29.52 ↓
379031 ncm-dbt-01 582861 500 141 112 247 +20.17 ± 14.96 0 47 127 76 0 +40.48 ± 30.28 ↓
379030 ncm-dbt-05 582068 500 146 123 231 +15.99 ± 14.38 0 45 137 68 0 +32.05 ± 29.0 ↓
379029 ncm-dbt-02 585169 500 138 93 269 +31.36 ± 14.98 1 38 126 85 0 +64.66 ± 30.39 ↓
379028 ncm-dbt-03 587325 500 155 112 233 +29.95 ± 15.02 1 38 129 81 1 +60.36 ± 30.0 ↓
379027 ncm-dbt-04 573002 500 146 117 237 +20.17 ± 15.08 0 46 131 71 2 +37.67 ± 29.77 ↓
379026 ncm-dbt-01 581153 500 133 113 254 +13.91 ± 14.85 1 47 133 69 0 +29.25 ± 29.52 ↓
379025 ncm-dbt-02 588260 500 139 119 242 +13.91 ± 14.85 1 47 133 69 0 +29.25 ± 29.52 ↓
379024 ncm-dbt-05 581236 500 146 116 238 +20.87 ± 14.63 1 40 138 70 1 +41.89 ± 28.84 ↓
379023 ncm-dbt-03 587155 500 141 127 232 +9.73 ± 14.64 1 48 137 64 0 +20.87 ± 29.01 ↓
379022 ncm-dbt-04 572155 500 136 113 251 +15.99 ± 14.25 1 40 145 63 1 +32.05 ± 27.93 ↓
379021 ncm-dbt-05 582861 500 154 111 235 +29.95 ± 14.5 1 35 134 80 0 +61.79 ± 29.32 ↓
379020 ncm-dbt-02 589497 500 145 114 241 +21.57 ± 14.55 0 43 133 74 0 +43.3 ± 29.5 ↓
379019 ncm-dbt-01 585843 500 130 107 263 +15.99 ± 14.25 0 44 139 67 0 +32.05 ± 28.73 ↓
379018 ncm-dbt-03 588686 500 137 112 251 +17.39 ± 14.62 0 46 133 71 0 +34.86 ± 29.51 ↓
379017 ncm-dbt-04 568832 500 150 127 223 +15.99 ± 14.51 0 45 138 66 1 +30.65 ± 28.87 ↓
379016 ncm-dbt-01 582903 500 133 108 259 +17.38 ± 14.75 0 46 134 69 1 +33.46 ± 29.39 ↓
379015 ncm-dbt-02 586097 500 139 109 252 +20.87 ± 14.37 0 42 136 72 0 +41.89 ± 29.11 ↓
379014 ncm-dbt-05 583656 500 140 114 246 +18.08 ± 15.66 0 53 119 77 1 +34.86 ± 31.28 ↓
379013 ncm-dbt-04 570428 500 160 112 228 +33.46 ± 14.86 1 36 127 86 0 +68.99 ± 30.25 ↓
379012 ncm-dbt-03 587664 500 144 109 247 +24.36 ± 14.76 1 39 135 74 1 +48.96 ± 29.23 ↓
379011 ncm-dbt-01 581735 500 143 127 230 +11.12 ± 14.11 1 42 148 58 1 +22.27 ± 27.54 ↓
379010 ncm-dbt-02 587622 500 154 108 238 +32.05 ± 14.77 1 35 132 81 1 +64.66 ± 29.59 ↓
379009 ncm-dbt-04 571833 500 146 121 233 +17.39 ± 13.97 0 41 143 66 0 +34.86 ± 28.19 ↓
379008 ncm-dbt-05 582736 500 134 112 254 +15.3 ± 13.1 0 36 156 58 0 +30.65 ± 26.39 ↓
379007 ncm-dbt-03 586350 500 143 109 248 +23.66 ± 14.45 0 40 137 72 1 +46.13 ± 28.97 ↓
379006 ncm-dbt-04 571873 500 129 97 274 +22.27 ± 13.68 1 33 149 67 0 +46.13 ± 27.31 ↓
379005 ncm-dbt-03 585843 500 149 125 226 +16.69 ± 14.44 0 44 139 66 1 +32.05 ± 28.73 ↓
379004 ncm-dbt-01 586308 500 134 115 251 +13.21 ± 13.75 0 42 147 61 0 +26.46 ± 27.67 ↓
379003 ncm-dbt-02 586816 500 137 115 248 +15.3 ± 14.84 1 46 133 70 0 +32.05 ± 29.52 ↓
379002 ncm-dbt-05 588686 500 137 114 249 +15.99 ± 14.76 0 47 134 68 1 +30.65 ± 29.39 ↓

Commit

Commit ID 39af98c807d236b6511b6e399caf40102398900c
Author Michael Chaly
Date 2022-12-19 17:11:12 UTC
Reintroduce doEvenDeeperSearch This patch is basically the same as a reverted patch but now has some guarding against search being stuck - the same way as we do with double extensions. This should help with search explosions - albeit slowly but they eventually should be resolved. passed STC: https://tests.stockfishchess.org/tests/view/639733d0b4e52c95053f3485 LLR: 2.95 (-2.94,2.94) <0.00,2.00> Total: 514048 W: 136423 L: 135435 D: 242190 Ptnml(0-2): 1425, 56945, 139420, 57685, 1549 passed LTC: https://tests.stockfishchess.org/tests/view/639ab79b93ed41c57eded5c3 LLR: 2.95 (-2.94,2.94) <0.50,2.50> Total: 113800 W: 30642 L: 30190 D: 52968 Ptnml(0-2): 53, 11092, 34178, 11504, 73 closes https://github.com/official-stockfish/Stockfish/pull/4287 bench 3611278
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