Dev Builds » 20240516-1219

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 06:47:40 583873 4000 1498 612 1890 +78.25 ± 5.05 1 135 854 997 13 +162.78 ± 11.64
ncm-dbt-02 06:49:48 586762 4002 1477 585 1940 +78.76 ± 5.05 5 118 876 984 18 +163.76 ± 11.47
ncm-dbt-03 06:49:12 587491 4000 1476 603 1921 +77.07 ± 4.97 1 125 887 974 13 +160.0 ± 11.39
ncm-dbt-04 06:48:14 571235 4000 1442 597 1961 +74.52 ± 4.98 2 129 902 956 11 +154.7 ± 11.29
ncm-dbt-05 06:50:39 585231 3998 1485 628 1885 +75.65 ± 5.0 1 135 878 976 9 +157.54 ± 11.47
20000 7378 3025 9597 +76.85 ± 2.24 10 642 4397 4887 64 +159.74 ± 5.12

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
384918 ncm-dbt-02 586562 2 1 0 1 +189.7 ± 55.98 0 0 0 1 0 +1129.65 ± 376.02
384917 ncm-dbt-05 580987 498 192 69 237 +87.62 ± 13.69 0 13 100 136 0 +188.07 ± 34.17
384916 ncm-dbt-03 588728 500 192 63 245 +91.71 ± 13.57 0 10 103 135 2 +194.57 ± 33.53
384915 ncm-dbt-04 571431 500 164 73 263 +63.95 ± 14.37 1 17 125 104 3 +129.35 ± 30.24
384914 ncm-dbt-01 583028 500 194 74 232 +85.04 ± 13.44 0 12 106 132 0 +181.7 ± 33.07
384913 ncm-dbt-02 589411 500 176 65 259 +78.44 ± 14.6 1 14 112 119 4 +160.64 ± 32.15
384912 ncm-dbt-05 582235 500 176 79 245 +68.27 ± 14.81 0 23 109 116 2 +138.99 ± 32.74
384911 ncm-dbt-03 587197 500 190 92 218 +68.99 ± 14.14 0 19 115 115 1 +142.26 ± 31.77
384910 ncm-dbt-04 571270 500 185 69 246 +82.1 ± 13.68 0 13 109 127 1 +172.78 ± 32.58
384909 ncm-dbt-01 585632 500 178 68 254 +77.7 ± 14.72 0 19 105 123 3 +158.93 ± 33.37
384908 ncm-dbt-02 583614 500 186 78 236 +76.25 ± 14.39 0 18 108 122 2 +157.24 ± 32.87
384907 ncm-dbt-05 582611 500 182 71 247 +78.43 ± 14.46 0 19 102 128 1 +164.07 ± 33.88
384906 ncm-dbt-04 571431 500 183 71 246 +79.17 ± 13.75 0 14 111 124 1 +165.8 ± 32.28
384905 ncm-dbt-03 588302 500 181 70 249 +78.44 ± 14.17 1 15 106 128 0 +167.53 ± 33.17
384904 ncm-dbt-02 587240 500 194 69 237 +88.74 ± 13.83 0 12 103 133 2 +187.16 ± 33.6
384903 ncm-dbt-01 582444 500 185 67 248 +83.57 ± 13.41 0 12 108 130 0 +178.11 ± 32.72
384902 ncm-dbt-04 570428 500 193 74 233 +84.31 ± 13.73 1 11 106 132 0 +181.7 ± 33.07
384901 ncm-dbt-03 587325 500 174 73 253 +71.16 ± 13.49 0 13 125 110 2 +145.54 ± 30.03
384900 ncm-dbt-05 585632 500 182 94 224 +61.79 ± 13.56 0 17 129 103 1 +126.18 ± 29.62
384899 ncm-dbt-02 590396 500 174 79 247 +66.82 ± 15.68 1 28 97 123 1 +138.99 ± 34.58
384898 ncm-dbt-01 583363 500 183 76 241 +75.52 ± 14.51 1 16 110 121 2 +157.24 ± 32.52
384897 ncm-dbt-03 585379 500 185 74 241 +78.43 ± 14.31 0 16 110 121 3 +160.64 ± 32.5
384896 ncm-dbt-04 570909 500 176 73 251 +72.61 ± 14.41 0 20 108 121 1 +150.51 ± 32.89
384895 ncm-dbt-05 584411 500 194 80 226 +80.63 ± 13.64 0 13 111 125 1 +169.27 ± 32.25
384894 ncm-dbt-02 584958 500 194 73 233 +85.78 ± 14.07 1 11 106 130 2 +181.7 ± 33.07
384893 ncm-dbt-01 583950 500 200 67 233 +94.69 ± 13.93 0 12 95 141 2 +202.15 ± 35.11
384892 ncm-dbt-03 586646 500 187 76 237 +78.43 ± 14.6 0 18 106 123 3 +160.64 ± 33.2
384891 ncm-dbt-05 585548 500 193 79 228 +80.63 ± 14.52 0 18 102 128 2 +167.53 ± 33.88
384890 ncm-dbt-04 571230 500 177 85 238 +64.66 ± 14.12 0 19 122 107 2 +130.94 ± 30.71
384889 ncm-dbt-02 584495 500 193 65 242 +90.97 ± 13.87 1 8 106 132 3 +192.71 ± 32.93
384888 ncm-dbt-01 585337 500 182 96 222 +60.36 ± 15.41 0 29 109 109 3 +119.89 ± 32.73
384887 ncm-dbt-03 586816 500 183 83 234 +70.43 ± 13.76 0 15 122 111 2 +143.89 ± 30.58
384886 ncm-dbt-05 581194 500 183 78 239 +74.06 ± 13.59 1 11 121 116 1 +155.54 ± 30.59
384885 ncm-dbt-01 582444 500 193 79 228 +80.63 ± 13.79 0 14 109 126 1 +169.27 ± 32.62
384884 ncm-dbt-02 586266 500 182 82 236 +70.44 ± 13.16 1 8 133 106 2 +145.54 ± 28.59
384883 ncm-dbt-04 572598 500 182 79 239 +72.61 ± 14.27 0 18 113 117 2 +148.85 ± 32.06
384882 ncm-dbt-01 584790 500 183 85 232 +68.99 ± 14.56 0 21 112 115 2 +140.62 ± 32.26
384881 ncm-dbt-04 570589 500 182 73 245 +76.97 ± 14.13 0 17 108 124 1 +160.64 ± 32.85
384880 ncm-dbt-03 589539 500 184 72 244 +79.17 ± 14.34 0 19 100 131 0 +167.53 ± 34.22
384879 ncm-dbt-05 599230 500 183 78 239 +74.06 ± 14.6 0 21 104 124 1 +153.86 ± 33.54
384878 ncm-dbt-02 587919 500 177 74 249 +72.61 ± 14.41 0 19 111 118 2 +148.85 ± 32.4

Commit

Commit ID 47597641dc8da7c65d0f1d987f784af09d6aec15
Author Linmiao Xu
Date 2024-05-16 12:19:28 UTC
Lower smallnet threshold linearly as pawn count decreases Passed STC: https://tests.stockfishchess.org/tests/view/6644f677324e96f42f89d894 LLR: 2.94 (-2.94,2.94) <0.00,2.00> Total: 377920 W: 97135 L: 96322 D: 184463 Ptnml(0-2): 1044, 44259, 97588, 44978, 1091 Passed LTC: https://tests.stockfishchess.org/tests/view/664548af93ce6da3e93b31b3 LLR: 2.94 (-2.94,2.94) <0.50,2.50> Total: 169056 W: 42901 L: 42312 D: 83843 Ptnml(0-2): 58, 18538, 46753, 19115, 64 closes https://github.com/official-stockfish/Stockfish/pull/5252 Bench: 1991750
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