Dev Builds » 20250224-1807

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 06:46:01 584793 4000 1611 505 1884 +98.63 ± 4.99 4 92 713 1176 15 +213.6 ± 12.76
ncm-dbt-02 06:47:46 586396 4000 1600 476 1924 +100.33 ± 4.95 1 90 713 1176 20 +216.1 ± 12.76
ncm-dbt-03 06:47:10 585916 4000 1587 485 1928 +98.26 ± 4.76 1 77 748 1167 7 +213.85 ± 12.43
ncm-dbt-04 06:46:57 569600 4000 1629 477 1894 +102.97 ± 4.83 0 68 738 1168 26 +221.39 ± 12.5
ncm-dbt-05 06:48:11 584806 4000 1589 462 1949 +100.61 ± 4.87 2 68 758 1145 27 +215.35 ± 12.33
20000 8016 2405 9579 +100.16 ± 2.18 8 395 3670 5832 95 +216.05 ± 5.61

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
401800 ncm-dbt-05 581485 500 205 60 235 +103.73 ± 13.05 0 6 95 147 2 +226.0 ± 34.87
401799 ncm-dbt-03 585042 500 201 58 241 +102.22 ± 13.21 0 9 89 152 0 +226.0 ± 36.29
401798 ncm-dbt-02 586308 500 192 53 255 +99.2 ± 13.67 0 10 93 145 2 +213.85 ± 35.47
401797 ncm-dbt-04 571029 500 206 64 230 +101.46 ± 14.32 0 12 88 146 4 +215.85 ± 36.55
401796 ncm-dbt-01 586097 500 206 55 239 +108.3 ± 14.05 0 13 74 162 1 +240.82 ± 39.83
401795 ncm-dbt-05 586477 500 206 51 243 +111.37 ± 14.06 0 8 85 151 6 +238.66 ± 37.17
401794 ncm-dbt-03 588047 500 194 57 249 +97.69 ± 13.5 1 7 97 144 1 +213.85 ± 34.58
401793 ncm-dbt-02 587409 500 211 66 223 +103.73 ± 14.34 0 11 88 146 5 +219.87 ± 36.54
401792 ncm-dbt-04 567839 500 200 62 238 +98.44 ± 13.98 0 11 93 143 3 +209.91 ± 35.49
401791 ncm-dbt-01 586308 500 198 61 241 +97.69 ± 14.58 1 13 86 148 2 +211.87 ± 36.97
401790 ncm-dbt-03 580987 500 210 58 232 +109.07 ± 13.4 0 9 81 159 1 +243.0 ± 38.14
401789 ncm-dbt-05 584411 500 201 55 244 +104.49 ± 13.55 0 6 97 142 5 +221.9 ± 34.46
401788 ncm-dbt-02 588132 500 199 57 244 +101.46 ± 13.69 0 11 87 151 1 +221.9 ± 36.76
401787 ncm-dbt-04 569230 500 202 61 237 +100.7 ± 14.16 0 11 91 144 4 +213.85 ± 35.9
401786 ncm-dbt-01 586477 500 211 58 231 +109.83 ± 14.06 0 10 81 155 4 +238.66 ± 38.15
401785 ncm-dbt-03 587452 500 193 63 244 +92.45 ± 13.11 0 8 105 136 1 +198.34 ± 33.06
401784 ncm-dbt-05 582694 500 188 70 242 +83.57 ± 14.45 1 13 106 127 3 +174.55 ± 33.13
401783 ncm-dbt-04 570029 500 200 57 243 +102.22 ± 13.7 0 8 95 143 4 +217.85 ± 34.98
401782 ncm-dbt-01 582110 500 200 64 236 +96.94 ± 14.27 1 12 88 148 1 +211.87 ± 36.55
401781 ncm-dbt-02 586562 500 191 62 247 +91.71 ± 14.19 0 16 89 145 0 +198.34 ± 36.31
401780 ncm-dbt-03 584916 500 199 65 236 +95.44 ± 13.79 0 13 90 147 0 +207.95 ± 36.13
401779 ncm-dbt-04 570308 500 204 57 239 +105.25 ± 12.53 0 4 96 149 1 +232.26 ± 34.5
401778 ncm-dbt-05 585211 500 187 52 261 +96.19 ± 13.48 0 10 96 143 1 +207.95 ± 34.86
401777 ncm-dbt-02 587113 500 200 62 238 +98.44 ± 13.67 0 10 94 144 2 +211.87 ± 35.26
401776 ncm-dbt-01 583531 500 188 61 251 +90.22 ± 13.7 0 12 100 137 1 +192.71 ± 34.15
401775 ncm-dbt-04 569909 500 196 59 245 +97.69 ± 13.97 0 11 94 142 3 +207.95 ± 35.29
401774 ncm-dbt-03 587707 500 194 61 245 +94.69 ± 13.62 0 11 96 142 1 +204.07 ± 34.89
401773 ncm-dbt-01 584369 500 199 73 228 +89.48 ± 14.73 1 14 96 136 3 +189.0 ± 34.95
401772 ncm-dbt-02 587919 500 209 58 233 +108.3 ± 13.06 0 7 86 156 1 +240.82 ± 36.9
401771 ncm-dbt-05 584874 500 204 53 243 +108.3 ± 13.4 0 8 85 155 2 +238.66 ± 37.17
401770 ncm-dbt-05 585548 500 198 67 235 +93.2 ± 14.06 1 9 101 136 3 +198.34 ± 33.9
401769 ncm-dbt-04 568832 500 206 62 232 +102.97 ± 13.04 0 6 96 146 2 +223.94 ± 34.66
401768 ncm-dbt-01 583908 500 202 72 226 +92.46 ± 13.74 1 9 100 139 1 +200.24 ± 34.09
401767 ncm-dbt-02 584034 500 201 57 242 +102.97 ± 14.49 0 11 90 143 6 +215.85 ± 36.11
401766 ncm-dbt-03 584327 500 187 59 254 +90.96 ± 13.72 0 12 99 138 1 +194.57 ± 34.34
401765 ncm-dbt-04 569629 500 215 55 230 +115.22 ± 13.38 0 5 85 155 5 +251.89 ± 37.03
401764 ncm-dbt-02 583698 500 197 61 242 +96.94 ± 14.87 1 14 86 146 3 +207.95 ± 36.95
401763 ncm-dbt-03 588856 500 209 64 227 +103.73 ± 13.38 0 8 91 149 2 +226.0 ± 35.82
401762 ncm-dbt-05 587749 500 200 54 246 +104.49 ± 13.88 0 8 93 144 5 +221.9 ± 35.4
401761 ncm-dbt-01 585548 500 207 61 232 +104.49 ± 13.55 0 9 88 151 2 +228.08 ± 36.51

Commit

Commit ID 45b2b06cea0eae5935baee769142002a027e3ccb
Author Daniel Monroe
Date 2025-02-24 18:07:58 UTC
Use same term for small and large net for nnue complexity adjustment Passed simplification STC LLR: 2.96 (-2.94,2.94) <-1.75,0.25> Total: 386496 W: 100682 L: 100850 D: 184964 Ptnml(0-2): 1686, 46399, 97218, 46287, 1658 https://tests.stockfishchess.org/tests/view/67a9cc6d851bb0f25324449e Passed rebased simplification LTC LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 160884 W: 41090 L: 41012 D: 78782 Ptnml(0-2): 133, 17883, 44321, 17983, 122 https://tests.stockfishchess.org/tests/view/67aef2e91a4c73ae1f930e85 closes https://github.com/official-stockfish/Stockfish/pull/5886 Bench: 2962718
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