Dev Builds » 20240612-0703

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 06:48:07 583243 4000 1520 624 1856 +79.17 ± 4.92 2 114 879 996 9 +166.01 ± 11.44
ncm-dbt-02 06:48:03 587412 4000 1489 612 1899 +77.43 ± 4.99 4 122 876 989 9 +162.35 ± 11.47
ncm-dbt-03 06:49:48 586041 4002 1502 653 1847 +74.84 ± 5.1 4 136 886 957 18 +154.4 ± 11.42
ncm-dbt-04 06:48:50 573973 4002 1454 621 1927 +73.39 ± 5.04 4 138 889 961 9 +152.93 ± 11.4
ncm-dbt-05 06:49:51 585289 3996 1477 617 1902 +75.96 ± 5.07 1 141 866 977 13 +157.41 ± 11.56
20000 7442 3127 9431 +76.16 ± 2.25 15 651 4396 4880 58 +158.59 ± 5.12

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
389371 ncm-dbt-03 587113 2 1 0 1 +189.7 ± 55.98 0 0 0 1 0 +1129.65 ± 376.02
389370 ncm-dbt-04 570789 2 1 0 1 +189.7 ± 55.98 0 0 0 1 0 +1129.65 ± 376.02
389367 ncm-dbt-05 584495 496 196 74 226 +87.25 ± 15.06 1 16 94 134 3 +183.46 ± 35.32
389366 ncm-dbt-04 593412 500 183 75 242 +76.25 ± 13.66 0 13 118 117 2 +157.24 ± 31.11
389365 ncm-dbt-01 584664 500 194 82 224 +79.17 ± 14.04 1 11 116 119 3 +164.07 ± 31.39
389364 ncm-dbt-02 589112 500 187 73 240 +80.63 ± 13.64 0 12 114 122 2 +167.53 ± 31.71
389363 ncm-dbt-03 585295 500 181 68 251 +79.9 ± 13.62 0 13 112 124 1 +167.53 ± 32.08
389362 ncm-dbt-05 587877 500 171 80 249 +63.94 ± 13.8 0 17 127 104 2 +129.35 ± 29.91
389361 ncm-dbt-02 586266 500 197 78 225 +84.31 ± 14.47 1 15 99 134 1 +179.9 ± 34.4
389360 ncm-dbt-04 572356 500 175 83 242 +64.66 ± 14.94 1 23 110 115 1 +134.15 ± 32.59
389359 ncm-dbt-03 586774 500 187 77 236 +77.71 ± 13.56 1 10 118 120 1 +164.07 ± 31.01
389358 ncm-dbt-01 583908 500 178 73 249 +74.06 ± 13.74 0 15 116 118 1 +153.86 ± 31.51
389357 ncm-dbt-05 582778 500 187 75 238 +79.17 ± 13.9 0 15 109 125 1 +165.8 ± 32.64
389356 ncm-dbt-02 587028 500 178 61 261 +82.84 ± 13.54 1 10 110 129 0 +178.11 ± 32.33
389355 ncm-dbt-04 570549 500 179 69 252 +77.71 ± 15.27 2 19 97 131 1 +165.8 ± 34.73
389354 ncm-dbt-03 585421 500 184 94 222 +63.23 ± 14.34 1 19 120 109 1 +130.94 ± 31.03
389353 ncm-dbt-01 585084 500 187 94 219 +65.38 ± 14.42 0 23 111 116 0 +135.76 ± 32.43
389352 ncm-dbt-05 585928 500 176 66 258 +77.71 ± 14.0 0 17 106 127 0 +164.07 ± 33.19
389351 ncm-dbt-02 587452 500 201 74 225 +90.22 ± 13.86 0 13 98 138 1 +192.71 ± 34.55
389350 ncm-dbt-04 572558 500 191 78 231 +79.9 ± 14.36 0 15 111 120 4 +162.35 ± 32.31
389349 ncm-dbt-03 585717 500 196 87 217 +76.98 ± 15.38 1 22 96 129 2 +160.64 ± 34.88
389348 ncm-dbt-01 580323 500 181 78 241 +72.61 ± 14.55 0 22 103 125 0 +152.18 ± 33.71
389347 ncm-dbt-05 587962 500 181 86 233 +66.82 ± 15.42 0 26 107 113 4 +132.54 ± 33.05
389346 ncm-dbt-02 585970 500 174 74 252 +70.44 ± 14.75 2 18 108 122 0 +150.51 ± 32.89
389345 ncm-dbt-04 572759 500 186 80 234 +74.79 ± 13.91 0 16 113 120 1 +155.54 ± 32.01
389344 ncm-dbt-01 581070 500 190 78 232 +79.17 ± 14.19 1 14 108 126 1 +167.53 ± 32.81
389343 ncm-dbt-03 586393 500 183 84 233 +69.71 ± 14.73 0 23 106 120 1 +143.89 ± 33.22
389342 ncm-dbt-05 584453 500 196 84 220 +79.17 ± 14.05 0 17 104 129 0 +167.53 ± 33.52
389341 ncm-dbt-02 586139 500 189 89 222 +70.43 ± 14.05 0 17 118 113 2 +143.89 ± 31.26
389340 ncm-dbt-01 583154 500 200 69 231 +93.2 ± 13.28 0 10 99 141 0 +202.15 ± 34.28
389339 ncm-dbt-04 568951 500 189 88 223 +71.16 ± 14.08 0 19 111 120 0 +148.85 ± 32.4
389338 ncm-dbt-03 585801 500 186 82 232 +73.34 ± 15.65 1 22 104 118 5 +147.19 ± 33.54
389337 ncm-dbt-04 571953 500 182 79 239 +72.61 ± 13.39 0 14 119 117 0 +152.18 ± 31.0
389336 ncm-dbt-02 588345 500 179 80 241 +69.71 ± 14.45 0 20 113 115 2 +142.26 ± 32.1
389335 ncm-dbt-01 581985 500 196 76 228 +85.04 ± 13.28 0 8 117 122 3 +176.33 ± 30.99
389334 ncm-dbt-05 584411 500 179 77 244 +71.88 ± 13.96 0 17 115 117 1 +148.85 ± 31.72
389333 ncm-dbt-03 584790 500 194 80 226 +80.63 ± 14.23 0 13 115 117 5 +162.35 ± 31.59
389332 ncm-dbt-04 572437 500 168 69 263 +69.71 ± 14.45 1 19 110 120 0 +147.19 ± 32.57
389331 ncm-dbt-05 584411 500 191 75 234 +82.1 ± 14.27 0 16 104 128 2 +171.02 ± 33.51
389330 ncm-dbt-02 588984 500 184 83 233 +71.16 ± 13.93 0 17 116 116 1 +147.19 ± 31.57
389329 ncm-dbt-01 585759 500 194 74 232 +85.04 ± 13.44 0 11 109 129 1 +179.9 ± 32.5
389328 ncm-dbt-03 587070 500 190 81 229 +76.97 ± 13.83 0 14 115 119 2 +158.93 ± 31.63

Commit

Commit ID 7e890fd048e22bfd213d46ec8eb88f7931f0315d
Author Joost VandeVondele
Date 2024-06-12 07:03:32 UTC
Keep mate PVs intact. do not return a cutoff value in razoring if that value is in the mate/tb range. passed STC: https://tests.stockfishchess.org/tests/view/666381880ff7cb4868d1fe58 LLR: 2.93 (-2.94,2.94) <-1.75,0.25> Total: 130848 W: 34046 L: 33931 D: 62871 Ptnml(0-2): 429, 14968, 34524, 15065, 438 passed LTC: https://tests.stockfishchess.org/tests/view/66643f120612cd151f9e7788 LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 39702 W: 10157 L: 9959 D: 19586 Ptnml(0-2): 20, 4108, 11402, 4296, 25 closes https://github.com/official-stockfish/Stockfish/pull/5379 Bench: 1174094
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