Dev Builds » 20230611-1305

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 06:54:45 583901 4028 1312 773 1943 +46.77 ± 5.03 0 221 1042 742 9 +93.63 ± 10.49
ncm-dbt-02 06:53:24 587008 4000 1320 733 1947 +51.36 ± 5.18 2 221 974 794 9 +103.73 ± 10.89
ncm-dbt-03 06:52:59 584144 4000 1310 767 1923 +47.46 ± 5.06 2 217 1022 754 5 +96.19 ± 10.6
ncm-dbt-04 06:53:29 568551 4000 1349 773 1878 +50.38 ± 5.2 3 225 973 791 8 +102.03 ± 10.9
ncm-dbt-05 06:53:03 578243 3972 1274 772 1926 +44.15 ± 5.29 3 254 977 742 10 +88.46 ± 10.88
20000 6565 3818 9617 +48.02 ± 2.3 10 1138 4988 3823 41 +96.79 ± 4.81

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
427065 ncm-dbt-01 583866 28 8 3 17 +62.71 ± 68.46 0 2 5 7 0 +129.8 ± 165.8
427064 ncm-dbt-05 581444 472 143 101 228 +31.0 ± 15.3 0 36 124 74 2 +59.46 ± 30.56
427063 ncm-dbt-04 569390 500 165 93 242 +50.38 ± 14.28 0 25 130 93 2 +99.95 ± 29.7
427062 ncm-dbt-02 586477 500 156 99 245 +39.78 ± 15.62 0 42 109 99 0 +80.63 ± 32.62
427061 ncm-dbt-03 581153 500 165 106 229 +41.19 ± 14.7 0 34 123 93 0 +83.57 ± 30.77
427060 ncm-dbt-01 582652 500 175 93 232 +57.5 ± 13.94 0 22 124 104 0 +118.33 ± 30.49
427059 ncm-dbt-05 577110 500 163 105 232 +40.48 ± 15.17 1 33 125 89 2 +80.63 ± 30.5
427058 ncm-dbt-04 567997 500 159 91 250 +47.55 ± 15.05 0 34 114 102 0 +96.94 ± 32.0
427057 ncm-dbt-02 586435 500 167 103 230 +44.72 ± 15.15 1 32 120 96 1 +90.97 ± 31.17
427056 ncm-dbt-03 582193 500 164 84 252 +56.07 ± 14.43 0 26 118 106 0 +115.23 ± 31.41
427055 ncm-dbt-01 587197 500 163 88 249 +52.51 ± 15.31 0 31 116 100 3 +102.97 ± 31.72
427054 ncm-dbt-05 580075 500 174 86 240 +61.79 ± 15.21 0 30 102 118 0 +127.76 ± 33.78
427053 ncm-dbt-04 566730 500 172 84 244 +61.79 ± 14.95 0 25 115 107 3 +123.02 ± 31.84
427052 ncm-dbt-02 585928 500 172 85 243 +61.07 ± 14.1 0 21 122 106 1 +124.6 ± 30.76
427051 ncm-dbt-03 583824 500 165 88 247 +53.93 ± 14.32 0 26 121 103 0 +110.6 ± 30.98
427050 ncm-dbt-01 583656 500 164 86 250 +54.64 ± 14.36 0 24 126 98 2 +109.07 ± 30.24
427049 ncm-dbt-05 576088 500 169 95 236 +51.8 ± 14.62 1 25 124 99 1 +106.01 ± 30.56
427048 ncm-dbt-04 570268 500 170 110 220 +41.9 ± 14.61 1 30 127 92 0 +86.52 ± 30.2
427047 ncm-dbt-02 586816 500 151 72 277 +55.36 ± 14.39 0 26 119 105 0 +113.68 ± 31.27
427046 ncm-dbt-03 585801 500 153 90 257 +44.01 ± 13.5 0 24 139 87 0 +89.48 ± 28.44
427045 ncm-dbt-01 583740 500 168 109 223 +41.19 ± 13.33 0 23 146 80 1 +82.1 ± 27.46
427044 ncm-dbt-05 582527 500 158 98 244 +41.89 ± 14.74 0 32 128 88 2 +82.1 ± 30.08
427043 ncm-dbt-04 566493 500 173 87 240 +60.36 ± 15.15 0 29 107 113 1 +123.02 ± 33.03
427042 ncm-dbt-02 586816 500 173 81 246 +64.66 ± 14.26 0 21 117 111 1 +132.54 ± 31.5
427041 ncm-dbt-03 582611 500 163 94 243 +48.25 ± 14.57 0 28 127 93 2 +95.44 ± 30.17
427040 ncm-dbt-01 583112 500 154 102 244 +36.26 ± 13.99 0 31 136 83 0 +73.34 ± 29.0
427039 ncm-dbt-05 573244 500 155 107 238 +33.46 ± 14.48 1 33 133 83 0 +68.99 ± 29.43
427038 ncm-dbt-04 570068 500 183 103 214 +56.07 ± 14.29 0 25 120 105 0 +115.23 ± 31.11
427037 ncm-dbt-03 586520 500 157 111 232 +32.06 ± 14.64 2 32 134 82 0 +67.55 ± 29.3
427036 ncm-dbt-02 588047 500 165 94 241 +49.67 ± 14.38 1 25 126 98 0 +102.97 ± 30.28
427035 ncm-dbt-01 582778 500 163 102 235 +42.6 ± 14.91 0 32 128 87 3 +82.1 ± 30.08
427034 ncm-dbt-05 575843 500 160 91 249 +48.25 ± 14.96 0 32 118 99 1 +96.94 ± 31.44
427033 ncm-dbt-04 567680 500 177 100 223 +53.93 ± 14.05 0 23 128 98 1 +109.07 ± 29.94
427032 ncm-dbt-02 586604 500 157 92 251 +45.42 ± 14.68 0 29 130 88 3 +88.0 ± 29.77
427031 ncm-dbt-03 584411 500 167 98 235 +48.25 ± 14.16 0 25 133 90 2 +95.44 ± 29.29
427030 ncm-dbt-01 584369 500 164 93 243 +49.67 ± 13.69 0 23 133 94 0 +101.46 ± 29.24
427029 ncm-dbt-05 579620 500 152 89 259 +44.01 ± 14.99 0 33 123 92 2 +86.52 ± 30.76
427028 ncm-dbt-02 588941 500 179 107 214 +50.38 ± 14.41 0 25 131 91 3 +98.44 ± 29.57
427027 ncm-dbt-04 569789 500 150 105 245 +31.35 ± 14.98 2 34 132 81 1 +64.66 ± 29.59
427026 ncm-dbt-03 586646 500 176 96 228 +56.07 ± 14.01 0 22 127 100 1 +113.68 ± 30.06
427025 ncm-dbt-01 583740 500 153 97 250 +39.08 ± 14.44 0 33 128 89 0 +79.17 ± 30.09

Commit

Commit ID a9a6915e0839d3f3f54659c86f15868a7db0e386
Author cj5716
Date 2023-06-11 13:05:54 UTC
Simplify multiplier for improvement This simplifies a `* 99 / 1300` term into just `/ 13`. Passed non-regression STC: LLR: 2.92 (-2.94,2.94) <-1.75,0.25> Total: 58816 W: 15727 L: 15540 D: 27549 Ptnml(0-2): 149, 6370, 16203, 6517, 169 https://tests.stockfishchess.org/tests/view/647d25e4726f6b400e408165 Passed non-regression LTC: LLR: 2.95 (-2.94,2.94) <-1.75,0.25> Total: 154386 W: 41749 L: 41669 D: 70968 Ptnml(0-2): 94, 14992, 46956, 15042, 109 https://tests.stockfishchess.org/tests/view/647d9b3c726f6b400e408b2a closes https://github.com/official-stockfish/Stockfish/pull/4608 Bench: 2511327
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