Dev Builds » 20230531-0706

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 06:56:59 585179 3998 1276 770 1952 +44.21 ± 5.16 1 244 1010 736 8 +88.6 ± 10.69
ncm-dbt-02 06:54:16 587000 4000 1294 750 1956 +47.55 ± 5.15 1 236 985 774 4 +96.38 ± 10.83
ncm-dbt-03 06:55:54 587235 4000 1304 724 1972 +50.74 ± 5.05 1 207 1009 777 6 +102.78 ± 10.67
ncm-dbt-04 06:56:15 569025 4010 1299 754 1957 +47.51 ± 4.99 3 205 1045 748 4 +96.69 ± 10.45
ncm-dbt-05 06:56:59 581745 3992 1297 739 1956 +48.88 ± 5.15 6 215 994 777 4 +100.16 ± 10.77
20000 6470 3737 9793 +47.78 ± 2.28 12 1107 5043 3812 26 +96.9 ± 4.78

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
378521 ncm-dbt-04 567640 10 3 1 6 +70.36 ± 79.51 0 0 3 2 0 +147.07 ± 211.27 ↓
378520 ncm-dbt-05 580240 492 165 88 239 +54.82 ± 14.68 0 26 118 101 1 +110.96 ± 31.4 ↓
378519 ncm-dbt-01 585211 498 162 96 240 +46.32 ± 14.1 0 27 129 93 0 +94.34 ± 29.87 ↓
378518 ncm-dbt-03 587282 500 170 83 247 +61.07 ± 14.38 0 23 118 108 1 +124.6 ± 31.38 ↓
378517 ncm-dbt-02 586266 500 161 98 241 +44.01 ± 14.33 0 29 130 90 1 +88.0 ± 29.77 ↓
378516 ncm-dbt-04 567759 500 158 103 239 +38.37 ± 14.92 0 36 124 89 1 +76.25 ± 30.64 ↓
378515 ncm-dbt-01 585548 500 156 92 252 +44.72 ± 14.77 1 28 129 90 2 +89.48 ± 29.91 ↓
378514 ncm-dbt-05 585000 500 160 105 235 +38.37 ± 15.04 2 32 125 91 0 +80.63 ± 30.5 ↓
378513 ncm-dbt-03 587792 500 163 99 238 +44.72 ± 13.55 0 23 141 85 1 +89.48 ± 28.14 ↓
378512 ncm-dbt-02 587028 500 168 96 236 +50.38 ± 14.94 0 32 114 104 0 +102.97 ± 32.0 ↓
378511 ncm-dbt-04 571110 500 161 96 243 +45.42 ± 14.41 1 27 128 94 0 +93.95 ± 30.03 ↓
378510 ncm-dbt-05 579413 500 162 98 240 +44.72 ± 14.51 0 31 124 95 0 +90.97 ± 30.61 ↓
378509 ncm-dbt-01 585126 500 150 109 241 +28.55 ± 14.67 0 40 129 81 0 +57.5 ± 30.0 ↓
378508 ncm-dbt-02 587197 500 152 92 256 +41.9 ± 14.07 1 26 135 88 0 +86.52 ± 29.06 ↓
378507 ncm-dbt-03 586816 500 158 91 251 +46.84 ± 15.27 1 33 114 102 0 +96.94 ± 32.0 ↓
378506 ncm-dbt-04 570188 500 160 79 261 +56.78 ± 13.33 0 17 136 96 1 +115.23 ± 28.62 ↓
378505 ncm-dbt-02 583279 500 174 99 227 +52.51 ± 14.52 0 27 122 100 1 +106.01 ± 30.85 ↓
378504 ncm-dbt-05 581028 500 172 97 231 +52.51 ± 14.11 1 21 131 96 1 +107.54 ± 29.49 ↓
378503 ncm-dbt-01 584706 500 157 95 248 +43.3 ± 13.6 0 24 141 84 1 +86.52 ± 28.17 ↓
378502 ncm-dbt-03 587197 500 164 90 246 +51.8 ± 14.22 0 26 124 100 0 +106.01 ± 30.56 ↓
378501 ncm-dbt-04 571270 500 168 89 243 +55.36 ± 14.39 0 25 122 102 1 +112.14 ± 30.83 ↓
378500 ncm-dbt-02 587622 500 164 97 239 +46.84 ± 14.75 0 31 122 96 1 +93.95 ± 30.89 ↓
378499 ncm-dbt-01 583908 500 163 97 240 +46.13 ± 14.72 0 32 120 98 0 +93.95 ± 31.17 ↓
378498 ncm-dbt-05 583279 500 168 81 251 +61.07 ± 13.82 0 19 126 104 1 +124.6 ± 30.12 ↓
378497 ncm-dbt-03 588771 500 166 89 245 +53.93 ± 14.86 0 29 116 104 1 +109.07 ± 31.72 ↓
378496 ncm-dbt-04 568196 500 165 90 245 +52.51 ± 13.84 0 23 129 98 0 +107.54 ± 29.8 ↓
378495 ncm-dbt-02 587070 500 161 90 249 +49.67 ± 14.91 0 32 115 103 0 +101.46 ± 31.86 ↓
378494 ncm-dbt-01 586054 500 166 83 251 +58.21 ± 13.97 0 20 129 99 2 +116.78 ± 29.72 ↓
378493 ncm-dbt-05 580572 500 154 92 254 +43.3 ± 14.95 1 31 124 93 1 +88.0 ± 30.62 ↓
378492 ncm-dbt-03 587070 500 160 89 251 +49.67 ± 13.83 0 21 140 86 3 +96.94 ± 28.21 ↓
378491 ncm-dbt-04 568514 500 162 106 232 +39.08 ± 14.04 1 26 140 82 1 +79.17 ± 28.38 ↓
378490 ncm-dbt-02 587792 500 148 88 264 +41.89 ± 14.21 0 30 130 90 0 +85.04 ± 29.79 ↓
378489 ncm-dbt-01 584874 500 159 97 244 +43.3 ± 14.43 0 31 126 93 0 +88.0 ± 30.34 ↓
378488 ncm-dbt-03 587494 500 167 98 235 +48.25 ± 14.03 0 26 129 95 0 +98.44 ± 29.86 ↓
378487 ncm-dbt-05 582819 500 162 88 250 +51.8 ± 15.01 1 29 115 105 0 +107.54 ± 31.86 ↓
378486 ncm-dbt-04 567839 500 157 90 253 +46.84 ± 13.67 0 24 135 91 0 +95.44 ± 28.99 ↓
378485 ncm-dbt-02 589753 500 166 90 244 +53.22 ± 14.82 0 29 117 103 1 +107.54 ± 31.57 ↓
378484 ncm-dbt-03 585464 500 156 85 259 +49.67 ± 14.1 0 26 127 97 0 +101.46 ± 30.14 ↓
378483 ncm-dbt-01 586012 500 163 101 236 +43.3 ± 16.18 0 42 107 98 3 +83.57 ± 32.89 ↓
378482 ncm-dbt-05 581610 500 154 90 256 +44.72 ± 14.24 1 26 131 92 0 +92.46 ± 29.6 ↓
378481 ncm-dbt-04 568713 500 165 100 235 +45.42 ± 14.41 1 27 128 94 0 +93.95 ± 30.03 ↓

Commit

Commit ID d99942f25449789de78c9d36e3dcb67d4eb04e98
Author Michael Chaly
Date 2023-05-31 07:06:30 UTC
Small simplification for probcut in check Remove depth condition from there as not longer needed. Passed STC: https://tests.stockfishchess.org/tests/view/647367cad29264e4cfa753e6 LLR: 2.96 (-2.94,2.94) <-1.75,0.25> Total: 254336 W: 67830 L: 67847 D: 118659 Ptnml(0-2): 580, 28181, 69697, 28096, 614 Passed LTC: https://tests.stockfishchess.org/tests/view/647576184a36543c4c9f3af7 LLR: 2.95 (-2.94,2.94) <-1.75,0.25> Total: 80706 W: 22048 L: 21898 D: 36760 Ptnml(0-2): 28, 7721, 24712, 7857, 35 closes https://github.com/official-stockfish/Stockfish/pull/4594 bench 2381945
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