Dev Builds » 20250213-1918

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 06:45:55 584380 4000 1616 505 1879 +99.1 ± 4.72 0 66 771 1149 14 +214.1 ± 12.21
ncm-dbt-02 06:47:38 587645 4000 1580 501 1919 +96.1 ± 4.88 1 81 777 1120 21 +204.8 ± 12.18
ncm-dbt-03 06:46:52 586522 4000 1583 492 1925 +97.22 ± 4.95 2 88 747 1143 20 +208.19 ± 12.45
ncm-dbt-04 06:48:46 570837 4014 1589 511 1914 +95.65 ± 4.92 1 87 774 1123 22 +203.43 ± 12.22
ncm-dbt-05 06:47:52 585749 3986 1544 502 1940 +92.98 ± 4.95 1 93 782 1097 20 +197.06 ± 12.16
20000 7912 2511 9577 +96.21 ± 2.18 5 415 3851 5632 97 +205.47 ± 5.47

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
399868 ncm-dbt-04 572034 14 7 1 6 +159.07 ± 56.3 0 0 1 6 0 +445.23 ± 480.27
399867 ncm-dbt-05 586181 486 190 76 220 +83.04 ± 13.15 0 8 114 120 1 +175.0 ± 31.4
399866 ncm-dbt-01 584790 500 204 55 241 +106.77 ± 13.56 0 9 85 154 2 +234.38 ± 37.19
399865 ncm-dbt-03 586943 500 198 59 243 +99.2 ± 13.83 0 10 94 143 3 +211.87 ± 35.26
399864 ncm-dbt-02 589796 500 199 59 242 +99.95 ± 13.84 0 10 93 144 3 +213.85 ± 35.47
399863 ncm-dbt-04 570068 500 210 70 220 +99.95 ± 13.68 0 9 95 143 3 +213.85 ± 35.03
399862 ncm-dbt-05 588260 500 186 68 246 +83.57 ± 14.31 0 15 105 127 3 +172.78 ± 33.32
399861 ncm-dbt-01 584790 500 203 74 223 +91.71 ± 12.6 0 4 115 129 2 +194.57 ± 30.97
399860 ncm-dbt-02 586350 500 197 62 241 +96.19 ± 12.48 0 4 108 137 1 +207.95 ± 32.19
399859 ncm-dbt-03 586477 500 195 61 244 +95.44 ± 14.55 1 12 92 142 3 +204.07 ± 35.72
399858 ncm-dbt-04 570989 500 196 58 246 +98.44 ± 14.29 0 13 89 145 3 +209.91 ± 36.34
399857 ncm-dbt-05 584706 500 200 63 237 +97.69 ± 14.43 0 11 97 136 6 +202.15 ± 34.7
399856 ncm-dbt-01 584327 500 188 70 242 +83.57 ± 13.41 0 12 108 130 0 +178.11 ± 32.72
399855 ncm-dbt-02 585885 500 189 66 245 +87.26 ± 14.83 1 13 103 128 5 +179.9 ± 33.65
399854 ncm-dbt-03 587113 500 187 72 241 +81.36 ± 13.81 0 14 108 127 1 +171.02 ± 32.78
399853 ncm-dbt-04 570629 500 194 68 238 +89.48 ± 14.44 1 13 97 137 2 +190.85 ± 34.75
399852 ncm-dbt-05 589368 500 178 54 268 +88.0 ± 14.41 1 14 96 138 1 +189.0 ± 34.95
399851 ncm-dbt-01 582987 500 204 68 228 +96.94 ± 13.65 0 10 96 142 2 +207.95 ± 34.86
399850 ncm-dbt-02 586604 500 201 69 230 +93.95 ± 13.13 0 8 103 138 1 +202.15 ± 33.42
399849 ncm-dbt-03 585253 500 192 59 249 +94.69 ± 14.83 0 16 89 141 4 +198.34 ± 36.31
399848 ncm-dbt-04 568872 500 196 60 244 +96.94 ± 13.49 0 8 101 138 3 +206.01 ± 33.8
399847 ncm-dbt-05 583028 500 210 54 236 +112.14 ± 13.56 0 7 84 155 4 +245.2 ± 37.37
399846 ncm-dbt-01 584495 500 212 57 231 +111.37 ± 13.39 0 6 87 153 4 +243.0 ± 36.62
399845 ncm-dbt-03 583908 500 207 70 223 +97.69 ± 13.66 0 10 95 143 2 +209.91 ± 35.06
399844 ncm-dbt-02 589112 500 197 71 232 +89.48 ± 13.53 0 12 100 138 0 +192.71 ± 34.15
399843 ncm-dbt-04 571752 500 198 57 245 +100.7 ± 14.01 0 11 90 146 3 +215.85 ± 36.11
399842 ncm-dbt-01 584453 500 190 64 246 +89.48 ± 13.38 0 11 102 137 0 +192.71 ± 33.75
399841 ncm-dbt-05 584916 500 199 68 233 +93.2 ± 13.75 0 12 96 141 1 +200.24 ± 34.91
399840 ncm-dbt-03 588345 500 196 55 249 +100.7 ± 13.03 0 7 96 146 1 +219.87 ± 34.73
399839 ncm-dbt-02 587282 500 202 44 254 +113.68 ± 14.38 0 10 78 156 6 +245.2 ± 38.89
399838 ncm-dbt-04 570789 500 186 61 253 +88.74 ± 13.68 0 11 105 132 2 +187.16 ± 33.21
399837 ncm-dbt-01 585084 500 213 59 228 +110.6 ± 13.73 0 8 84 154 4 +240.82 ± 37.4
399836 ncm-dbt-05 584411 500 182 66 252 +82.1 ± 14.13 0 16 103 130 1 +172.78 ± 33.69
399835 ncm-dbt-03 587537 500 203 47 250 +112.14 ± 13.89 0 10 77 160 3 +247.41 ± 39.15
399834 ncm-dbt-04 568713 500 201 70 229 +93.2 ± 13.12 0 9 101 140 0 +202.15 ± 33.85
399833 ncm-dbt-02 587409 500 198 59 243 +99.2 ± 13.83 0 10 94 143 3 +211.87 ± 35.26
399832 ncm-dbt-01 584117 500 202 58 240 +102.97 ± 12.7 0 6 94 150 0 +228.08 ± 35.08
399831 ncm-dbt-05 585126 500 199 53 248 +104.49 ± 13.88 0 10 87 150 3 +226.0 ± 36.75
399830 ncm-dbt-03 586604 500 205 69 226 +96.94 ± 14.12 1 9 96 141 3 +207.95 ± 34.86
399829 ncm-dbt-02 588728 500 197 71 232 +89.48 ± 14.15 0 14 98 136 2 +189.0 ± 34.56
399828 ncm-dbt-04 573689 500 201 66 233 +96.19 ± 14.71 0 13 95 136 6 +198.34 ± 35.12

Commit

Commit ID fa6c30af814fe91e6a6c2d1bcaa8d951e3724ae7
Author FauziAkram
Date 2025-02-13 19:18:35 UTC
FutilityValue formula tweak Passed STC: LLR: 2.95 (-2.94,2.94) <0.00,2.00> Total: 29600 W: 7979 L: 7662 D: 13959 Ptnml(0-2): 138, 3446, 7324, 3745, 147 https://tests.stockfishchess.org/tests/view/67ac7dff52879dfd14d7e7da Passed LTC: LLR: 2.95 (-2.94,2.94) <0.50,2.50> Total: 49662 W: 12850 L: 12502 D: 24310 Ptnml(0-2): 41, 5354, 13689, 5710, 37 https://tests.stockfishchess.org/tests/view/67acc1b252879dfd14d7e81d closes https://github.com/official-stockfish/Stockfish/pull/5879 Bench: 2581469
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