Dev Builds » 20250224-1804

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 06:45:57 584077 4000 1623 486 1891 +101.56 ± 4.72 1 63 747 1176 13 +221.14 ± 12.41
ncm-dbt-02 06:47:08 586852 3996 1595 482 1919 +99.4 ± 4.81 1 72 755 1153 17 +214.37 ± 12.36
ncm-dbt-03 06:47:17 587552 4008 1602 484 1922 +99.55 ± 4.87 3 80 730 1178 13 +216.29 ± 12.6
ncm-dbt-04 06:45:58 570957 4000 1615 517 1868 +97.88 ± 4.88 1 84 747 1152 16 +210.64 ± 12.45
ncm-dbt-05 06:47:59 584192 3996 1577 454 1965 +100.34 ± 4.89 0 86 720 1175 17 +216.62 ± 12.69
20000 8012 2423 9565 +99.74 ± 2.16 6 385 3699 5834 76 +215.8 ± 5.59

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
401888 ncm-dbt-03 586985 8 4 1 3 +136.8 ± 89.09 0 0 1 3 0 +337.69 ± 541.44
401887 ncm-dbt-02 586054 496 199 65 232 +96.25 ± 12.71 0 5 105 137 1 +208.09 ± 32.81
401886 ncm-dbt-05 585590 496 195 58 243 +98.52 ± 14.37 0 14 85 147 2 +212.05 ± 37.18
401885 ncm-dbt-01 584285 500 196 67 237 +91.71 ± 13.42 0 10 102 137 1 +196.45 ± 33.71
401884 ncm-dbt-04 572477 500 218 61 221 +112.91 ± 14.05 0 10 77 159 4 +247.41 ± 39.15
401883 ncm-dbt-03 587113 500 193 57 250 +96.94 ± 12.83 0 7 100 143 0 +211.87 ± 33.93
401882 ncm-dbt-02 588132 500 198 48 254 +107.54 ± 13.56 0 8 87 152 3 +234.38 ± 36.71
401881 ncm-dbt-05 583489 500 188 66 246 +86.52 ± 14.08 0 14 102 132 2 +181.7 ± 33.83
401880 ncm-dbt-04 569111 500 197 73 230 +88.0 ± 14.85 1 14 99 132 4 +183.51 ± 34.39
401879 ncm-dbt-01 584579 500 204 56 240 +106.01 ± 13.05 0 7 89 153 1 +234.38 ± 36.22
401878 ncm-dbt-03 586520 500 200 61 239 +99.2 ± 13.67 0 11 90 148 1 +215.85 ± 36.11
401877 ncm-dbt-02 583950 500 202 55 243 +105.25 ± 14.81 0 12 86 145 7 +219.87 ± 36.98
401876 ncm-dbt-05 580987 500 202 56 242 +104.49 ± 13.88 0 11 84 153 2 +228.08 ± 37.44
401875 ncm-dbt-04 571632 500 196 68 236 +90.96 ± 13.87 0 12 100 136 2 +192.71 ± 34.15
401874 ncm-dbt-01 585970 500 204 67 229 +97.69 ± 14.13 1 11 89 148 1 +213.85 ± 36.34
401873 ncm-dbt-03 587070 500 209 62 229 +105.25 ± 13.72 0 9 88 150 3 +228.08 ± 36.51
401872 ncm-dbt-02 585843 500 204 70 226 +95.44 ± 12.98 0 8 100 142 0 +207.95 ± 33.99
401871 ncm-dbt-05 585548 500 186 63 251 +87.26 ± 14.1 0 16 95 139 0 +187.16 ± 35.14
401870 ncm-dbt-03 586435 500 207 64 229 +102.22 ± 14.63 2 7 92 144 5 +219.87 ± 35.65
401869 ncm-dbt-04 571150 500 206 57 237 +106.77 ± 13.23 0 9 83 158 0 +238.66 ± 37.66
401868 ncm-dbt-01 584664 500 204 53 243 +108.3 ± 13.06 0 6 89 153 2 +238.66 ± 36.16
401867 ncm-dbt-02 585379 500 194 70 236 +88.0 ± 13.66 0 12 103 134 1 +187.16 ± 33.6
401866 ncm-dbt-05 581693 500 201 57 242 +102.97 ± 13.21 0 8 91 150 1 +226.0 ± 35.82
401865 ncm-dbt-03 588600 500 205 69 226 +96.94 ± 13.49 0 10 95 144 1 +209.91 ± 35.06
401864 ncm-dbt-01 581777 500 212 76 212 +96.94 ± 13.65 0 9 99 139 3 +206.01 ± 34.24
401863 ncm-dbt-04 568434 500 206 59 235 +105.25 ± 13.39 0 8 89 151 2 +230.16 ± 36.26
401862 ncm-dbt-02 587622 500 203 52 245 +108.3 ± 13.73 1 7 84 156 2 +240.82 ± 37.4
401861 ncm-dbt-05 586181 500 204 54 242 +107.54 ± 12.88 0 6 89 154 1 +238.66 ± 36.16
401860 ncm-dbt-03 588302 500 196 48 256 +106.01 ± 13.56 0 9 86 153 2 +232.26 ± 36.96
401859 ncm-dbt-01 584201 500 199 58 243 +100.7 ± 13.03 0 6 99 143 2 +217.85 ± 34.06
401858 ncm-dbt-04 571070 500 197 66 237 +93.2 ± 14.06 0 13 95 140 2 +198.34 ± 35.12
401857 ncm-dbt-02 588984 500 193 58 249 +96.19 ± 13.64 0 11 94 144 1 +207.95 ± 35.29
401856 ncm-dbt-05 586350 500 198 52 250 +104.49 ± 13.88 0 9 90 147 4 +223.94 ± 36.07
401855 ncm-dbt-01 582861 500 203 52 245 +108.3 ± 13.23 0 8 84 157 1 +240.82 ± 37.4
401854 ncm-dbt-03 587240 500 190 63 247 +90.22 ± 14.01 0 15 93 142 0 +194.57 ± 35.52
401853 ncm-dbt-04 571994 500 195 59 246 +96.94 ± 13.0 0 7 101 141 1 +209.91 ± 33.74
401852 ncm-dbt-02 588856 500 202 64 234 +98.44 ± 13.51 0 9 96 143 2 +211.87 ± 34.83
401851 ncm-dbt-03 589710 500 198 59 243 +99.2 ± 14.3 1 12 85 151 1 +217.85 ± 37.2
401850 ncm-dbt-01 584285 500 201 57 242 +102.97 ± 13.04 0 6 96 146 2 +223.94 ± 34.66
401849 ncm-dbt-05 583698 500 203 48 249 +111.37 ± 13.89 0 8 84 153 5 +240.82 ± 37.4
401848 ncm-dbt-04 571793 500 200 74 226 +89.48 ± 13.53 0 11 103 135 1 +190.85 ± 33.57

Commit

Commit ID ee7259e48bb33fd291fd972950ce7e9294d3e463
Author FauziAkram
Date 2025-02-24 18:04:59 UTC
Small code cleanup Use std::is_arithmetic_v as it is the more modern and concise way to check for arithmetic types. While at it, fixing a static assert in misc.h, thanks to Shawn and Disservin for helping. closes https://github.com/official-stockfish/Stockfish/pull/5883 No functional change
Copyright 2011–2025 Next Chess Move LLC