Dev Builds » 20231014-1452

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 06:55:31 583897 3998 1402 700 1896 +61.64 ± 5.22 3 188 928 864 16 +124.86 ± 11.17
ncm-dbt-02 06:55:00 586693 4002 1393 704 1905 +60.42 ± 5.1 4 179 948 864 6 +124.33 ± 11.03
ncm-dbt-03 06:55:17 587136 3996 1353 689 1954 +58.27 ± 5.08 1 185 972 829 11 +118.07 ± 10.88
ncm-dbt-04 06:55:06 570811 4004 1358 701 1945 +57.53 ± 5.15 2 195 961 832 12 +116.46 ± 10.96
ncm-dbt-05 06:55:30 583228 4000 1366 688 1946 +59.46 ± 4.98 0 172 986 834 8 +121.06 ± 10.78
20000 6872 3482 9646 +59.46 ± 2.28 10 919 4795 4223 53 +120.95 ± 4.9

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
403333 ncm-dbt-04 571913 4 1 0 3 +88.51 ± 137.63 0 0 1 1 0 +190.5 ± 634.21
403332 ncm-dbt-02 585464 2 1 1 0 0.0 ± 34.02 0 0 1 0 0 0.0 ± 30.47
403331 ncm-dbt-01 584453 498 169 81 248 +62.05 ± 15.79 1 28 105 112 3 +125.14 ± 33.34
403330 ncm-dbt-03 587028 496 186 90 220 +68.1 ± 14.61 0 18 121 104 5 +133.72 ± 30.81
403329 ncm-dbt-05 582068 500 168 80 252 +61.79 ± 14.41 0 24 114 112 0 +127.76 ± 31.99
403328 ncm-dbt-04 568156 500 162 96 242 +46.13 ± 14.32 1 23 138 85 3 +90.97 ± 28.58
403327 ncm-dbt-02 588089 500 167 86 247 +56.78 ± 14.19 0 23 124 102 1 +115.23 ± 30.51
403326 ncm-dbt-01 584706 500 180 94 226 +60.36 ± 15.54 1 26 113 106 4 +119.89 ± 32.15
403325 ncm-dbt-05 586393 500 161 82 257 +55.36 ± 13.84 0 21 130 98 1 +112.14 ± 29.61
403324 ncm-dbt-03 587028 500 170 87 243 +58.21 ± 13.4 0 17 134 98 1 +118.33 ± 28.9
403323 ncm-dbt-04 569989 500 168 87 245 +56.78 ± 14.32 0 24 122 103 1 +115.23 ± 30.81
403322 ncm-dbt-02 588600 500 168 104 228 +44.72 ± 15.41 1 35 113 101 0 +92.46 ± 32.12
403321 ncm-dbt-03 588771 500 154 93 253 +42.6 ± 14.91 0 35 119 96 0 +86.52 ± 31.31
403320 ncm-dbt-05 584748 500 174 85 241 +62.51 ± 14.58 0 23 117 108 2 +126.18 ± 31.53
403319 ncm-dbt-01 584201 500 155 81 264 +51.8 ± 15.4 0 34 109 106 1 +104.49 ± 32.7
403318 ncm-dbt-04 570148 500 170 95 235 +52.51 ± 13.11 0 18 139 93 0 +107.54 ± 28.24
403317 ncm-dbt-02 585759 500 168 87 245 +56.78 ± 14.6 0 26 118 105 1 +115.23 ± 31.41
403316 ncm-dbt-05 581194 500 188 84 228 +73.33 ± 13.72 0 14 120 114 2 +150.51 ± 30.84
403315 ncm-dbt-01 583447 500 183 84 233 +69.71 ± 14.59 0 20 114 113 3 +140.62 ± 31.94
403314 ncm-dbt-03 585464 500 154 82 264 +50.38 ± 15.07 1 29 118 101 1 +102.97 ± 31.44
403313 ncm-dbt-04 571029 500 170 88 242 +57.5 ± 14.22 0 23 123 103 1 +116.78 ± 30.65
403312 ncm-dbt-02 582861 500 177 86 237 +63.94 ± 13.51 0 16 128 105 1 +130.94 ± 29.72
403311 ncm-dbt-01 580157 500 171 100 229 +49.67 ± 13.83 0 24 131 95 0 +101.46 ± 29.54
403310 ncm-dbt-05 578877 500 164 89 247 +52.51 ± 14.52 0 28 119 103 0 +107.54 ± 31.29
403309 ncm-dbt-03 585674 500 178 87 235 +63.94 ± 14.37 0 21 119 108 2 +129.35 ± 31.2
403308 ncm-dbt-04 569789 500 169 76 255 +65.38 ± 14.97 0 26 106 117 1 +134.15 ± 33.21
403307 ncm-dbt-02 587282 500 192 93 215 +69.71 ± 13.88 1 14 121 113 1 +145.54 ± 30.73
403306 ncm-dbt-01 582945 500 190 99 211 +63.94 ± 13.8 0 18 124 107 1 +130.94 ± 30.38
403305 ncm-dbt-03 588771 500 171 84 245 +61.07 ± 13.96 0 21 121 108 0 +126.18 ± 30.9
403304 ncm-dbt-05 582110 500 170 92 238 +54.64 ± 13.37 0 18 137 94 1 +110.6 ± 28.52
403303 ncm-dbt-04 570029 500 180 88 232 +64.66 ± 15.59 0 29 103 115 3 +129.35 ± 33.64
403302 ncm-dbt-02 587197 500 183 85 232 +68.99 ± 14.28 0 20 113 116 1 +142.26 ± 32.1
403301 ncm-dbt-03 586562 500 188 80 232 +76.25 ± 13.81 0 15 113 121 1 +158.93 ± 31.99
403300 ncm-dbt-01 584832 500 177 78 245 +69.71 ± 13.88 0 16 121 111 2 +142.26 ± 30.77
403299 ncm-dbt-05 582987 500 166 80 254 +60.36 ± 14.07 0 22 120 108 0 +124.6 ± 31.07
403298 ncm-dbt-04 572517 500 170 96 234 +51.8 ± 15.4 1 30 115 102 2 +104.49 ± 31.86
403297 ncm-dbt-02 586435 500 176 82 242 +66.11 ± 14.73 2 19 112 117 0 +140.62 ± 32.26
403296 ncm-dbt-03 587792 500 152 86 262 +46.13 ± 14.45 0 29 127 93 1 +92.46 ± 30.18
403295 ncm-dbt-01 586435 500 177 83 240 +66.1 ± 15.0 1 22 111 114 2 +135.76 ± 32.43
403294 ncm-dbt-02 588558 500 161 80 259 +56.78 ± 14.6 0 26 118 105 1 +115.23 ± 31.41
403293 ncm-dbt-05 587452 500 175 96 229 +55.36 ± 14.12 0 22 129 97 2 +110.6 ± 29.78
403292 ncm-dbt-04 573729 500 168 75 257 +65.38 ± 14.42 0 22 114 113 1 +134.15 ± 31.97

Commit

Commit ID 38e830af4bfa6c9e9c11279a8e6a60b6ca4ec2cd
Author Michael Chaly
Date 2023-10-14 14:52:35 UTC
Use more continuation histories. This patch allows stats updates and movepicker bonuses for continuation history 3 plies deep - so counter counter move. Updates and movepicker usage are done with 1/4 multiplier compared to other histories. Passed STC: https://tests.stockfishchess.org/tests/view/6528f28d3125598fc7ebb5a3 LLR: 2.96 (-2.94,2.94) <0.00,2.00> Total: 161344 W: 41369 L: 40868 D: 79107 Ptnml(0-2): 535, 18720, 41679, 19185, 553 Passed LTC: https://tests.stockfishchess.org/tests/view/652a397a3125598fc7ebd1d6 LLR: 2.95 (-2.94,2.94) <0.50,2.50> Total: 48564 W: 12556 L: 12215 D: 23793 Ptnml(0-2): 25, 5149, 13595, 5486, 27 closes https://github.com/official-stockfish/Stockfish/pull/4827 bench 1327410
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