Dev Builds » 20221219-1715

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 07:00:32 584162 4000 1112 922 1966 +16.52 ± 5.11 5 345 1108 539 3 +33.46 ± 10.16
ncm-dbt-02 07:00:14 586512 4002 1155 944 1903 +18.34 ± 5.19 3 357 1069 570 2 +36.95 ± 10.38
ncm-dbt-03 06:58:58 584627 3996 1173 864 1959 +26.92 ± 5.33 5 331 1019 636 7 +53.81 ± 10.66
ncm-dbt-04 07:00:22 568113 4014 1105 884 2025 +19.15 ± 5.12 1 351 1082 572 1 +38.41 ± 10.31
ncm-dbt-05 07:00:40 579127 3988 1152 890 1946 +22.86 ± 5.1 4 316 1089 584 1 +46.45 ± 10.26
20000 5697 4504 9799 +20.75 ± 2.31 18 1700 5367 2901 14 +41.79 ± 4.63

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
431083 ncm-dbt-02 587197 2 1 1 0 0.0 ± 34.02 0 0 1 0 0 0.0 ± 30.47 ↓
431082 ncm-dbt-04 569869 14 2 3 9 -24.85 ± 84.38 0 2 4 1 0 -49.98 ± 184.5 ↓
431081 ncm-dbt-03 585379 496 150 115 231 +24.56 ± 15.0 0 42 131 73 2 +46.51 ± 29.74 ↓
431080 ncm-dbt-05 580157 488 140 107 241 +23.53 ± 14.06 0 36 139 69 0 +47.28 ± 28.57 ↓
431079 ncm-dbt-01 583447 500 137 117 246 +13.9 ± 13.95 0 43 144 63 0 +27.85 ± 28.07 ↓
431078 ncm-dbt-02 586477 500 145 130 225 +10.43 ± 13.65 1 40 152 57 0 +22.27 ± 26.99 ↓
431077 ncm-dbt-04 567007 500 147 112 241 +24.36 ± 15.26 0 47 121 82 0 +48.96 ± 31.04 ↓
431076 ncm-dbt-03 584748 500 154 102 244 +36.26 ± 14.79 0 35 130 83 2 +70.44 ± 29.84 ↓
431075 ncm-dbt-05 578630 500 146 114 240 +22.27 ± 13.81 0 37 144 69 0 +44.72 ± 28.02 ↓
431074 ncm-dbt-01 585548 500 140 111 249 +20.18 ± 14.32 1 39 140 70 0 +41.89 ± 28.57 ↓
431073 ncm-dbt-02 587877 500 146 116 238 +20.87 ± 15.62 1 49 119 81 0 +43.3 ± 31.28 ↓
431072 ncm-dbt-04 567601 500 130 106 264 +16.69 ± 14.31 0 44 138 68 0 +33.46 ± 28.86 ↓
431071 ncm-dbt-03 584537 500 141 108 251 +22.96 ± 14.91 0 45 127 78 0 +46.13 ± 30.28 ↓
431070 ncm-dbt-05 580779 500 155 115 230 +27.85 ± 14.49 0 39 132 79 0 +56.07 ± 29.61 ↓
431069 ncm-dbt-01 585464 500 137 122 241 +10.43 ± 15.07 1 49 136 62 2 +19.48 ± 29.14 ↓
431068 ncm-dbt-04 568792 500 142 102 256 +27.85 ± 14.36 0 38 134 78 0 +56.07 ± 29.34 ↓
431067 ncm-dbt-02 585590 500 147 126 227 +14.6 ± 15.52 1 51 125 72 1 +29.25 ± 30.53 ↓
431066 ncm-dbt-03 586012 500 142 113 245 +20.17 ± 15.45 1 47 125 76 1 +40.48 ± 30.53 ↓
431065 ncm-dbt-05 580613 500 152 104 244 +33.46 ± 15.24 0 42 118 90 0 +67.55 ± 31.43 ↓
431064 ncm-dbt-01 586223 500 139 113 248 +18.08 ± 14.67 1 43 135 71 0 +37.67 ± 29.25 ↓
431063 ncm-dbt-04 568951 500 122 108 270 +9.73 ± 13.99 0 46 144 60 0 +19.48 ± 28.09 ↓
431062 ncm-dbt-02 584201 500 139 98 263 +28.55 ± 14.92 0 41 128 80 1 +56.07 ± 30.14 ↓
431061 ncm-dbt-03 584832 500 147 100 253 +32.76 ± 15.07 0 41 121 88 0 +66.1 ± 31.04 ↓
431060 ncm-dbt-05 579372 500 144 112 244 +22.27 ± 14.6 3 33 144 69 1 +47.55 ± 28.01 ↓
431059 ncm-dbt-01 584243 500 137 118 245 +13.21 ± 13.89 1 40 148 61 0 +27.85 ± 27.53 ↓
431058 ncm-dbt-04 566967 500 135 118 247 +11.82 ± 14.81 0 51 131 68 0 +23.66 ± 29.78 ↓
431057 ncm-dbt-02 587240 500 142 110 248 +22.27 ± 14.48 0 42 134 74 0 +44.72 ± 29.37 ↓
431056 ncm-dbt-03 580696 500 142 110 248 +22.27 ± 15.72 2 45 123 79 1 +46.13 ± 30.78 ↓
431055 ncm-dbt-05 579413 500 137 106 257 +21.57 ± 14.03 1 36 144 69 0 +44.72 ± 28.02 ↓
431054 ncm-dbt-01 583363 500 145 113 242 +22.27 ± 14.48 0 42 134 74 0 +44.72 ± 29.37 ↓
431053 ncm-dbt-04 567126 500 144 100 256 +30.65 ± 14.29 0 36 134 80 0 +61.79 ± 29.32 ↓
431052 ncm-dbt-02 585970 500 144 124 232 +13.9 ± 14.47 0 47 136 67 0 +27.85 ± 29.13 ↓
431051 ncm-dbt-03 583572 500 140 94 266 +32.05 ± 14.38 1 32 138 78 1 +64.66 ± 28.76 ↓
431050 ncm-dbt-05 576619 500 135 117 248 +12.51 ± 14.74 0 50 132 68 0 +25.06 ± 29.65 ↓
431049 ncm-dbt-01 582987 500 134 110 256 +16.69 ± 14.56 1 42 140 66 1 +33.46 ± 28.6 ↓
431048 ncm-dbt-04 567601 500 140 106 254 +23.66 ± 13.92 0 36 145 68 1 +46.13 ± 27.87 ↓
431047 ncm-dbt-02 587919 500 143 119 238 +16.69 ± 14.56 0 46 134 70 0 +33.46 ± 29.39 ↓
431046 ncm-dbt-03 587240 500 157 122 221 +24.36 ± 15.26 1 44 124 81 0 +50.38 ± 30.66 ↓
431045 ncm-dbt-04 569111 500 143 129 228 +9.73 ± 15.02 1 51 131 67 0 +20.87 ± 29.78 ↓
431044 ncm-dbt-05 577438 500 143 115 242 +19.48 ± 14.39 0 43 136 71 0 +39.08 ± 29.11 ↓
431043 ncm-dbt-01 582027 500 143 118 239 +17.39 ± 14.75 0 47 131 72 0 +34.86 ± 29.77 ↓
431042 ncm-dbt-02 586139 500 148 120 232 +19.48 ± 14.13 0 41 140 69 0 +39.08 ± 28.58 ↓

Commit

Commit ID 3a32d3e00cca23648f10a40c5b322f2fd56dc0ae
Author mstembera
Date 2022-12-19 17:15:09 UTC
Don't reset increaseDepth back to true after it has been set to false Resetting increaseDepth back to true each time on the very next iteration was not intended so this is a bug fix and a simplification. See more discussion here #2482 (comment) Thanks to xoto10 STC: https://tests.stockfishchess.org/tests/view/6398c74693ed41c57ede7bfd LLR: 2.94 (-2.94,2.94) <0.00,2.00> Total: 51128 W: 13543 L: 13220 D: 24365 Ptnml(0-2): 165, 5363, 14174, 5708, 154 LTC: https://tests.stockfishchess.org/tests/view/6399bcd393ed41c57edea750 LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 290864 W: 77282 L: 77334 D: 136248 Ptnml(0-2): 107, 28127, 89029, 28049, 120 closes https://github.com/official-stockfish/Stockfish/pull/4288 bench: 3611278
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