Dev Builds » 20250402-1536

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 06:45:46 582123 4014 1693 434 1887 +112.77 ± 4.66 0 53 661 1274 19 +250.67 ± 13.23
ncm-dbt-02 06:44:49 585916 4000 1677 422 1901 +112.81 ± 4.72 0 55 659 1262 24 +249.36 ± 13.25
ncm-dbt-03 06:45:03 585295 4002 1650 440 1912 +108.44 ± 4.77 1 62 684 1234 20 +238.23 ± 13.01
ncm-dbt-04 06:45:08 570573 3994 1627 517 1850 +99.17 ± 4.85 2 70 763 1140 22 +212.77 ± 12.29
ncm-dbt-05 06:46:33 584158 3990 1579 473 1938 +98.89 ± 4.76 0 69 767 1143 16 +213.04 ± 12.25
20000 8226 2286 9488 +106.39 ± 2.13 3 309 3534 6053 101 +232.37 ± 5.71

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
407278 ncm-dbt-03 584369 2 1 0 1 +189.7 ± 55.98 0 0 0 1 0 +1129.65 ± 376.02
407277 ncm-dbt-01 583656 14 7 1 6 +159.07 ± 56.3 0 0 1 6 0 +445.23 ± 480.27
407276 ncm-dbt-05 580945 490 210 53 227 +115.38 ± 13.37 0 5 82 154 4 +254.44 ± 37.74
407275 ncm-dbt-04 571592 494 201 82 211 +85.37 ± 14.91 1 13 104 124 5 +175.25 ± 33.46
407274 ncm-dbt-02 587494 500 207 38 255 +122.24 ± 13.48 0 6 74 165 5 +273.0 ± 39.95
407273 ncm-dbt-03 585885 500 205 54 241 +108.3 ± 13.56 0 9 83 156 2 +238.66 ± 37.66
407272 ncm-dbt-01 582527 500 214 59 227 +111.37 ± 13.39 0 8 81 159 2 +247.41 ± 38.13
407271 ncm-dbt-04 567086 500 211 62 227 +106.77 ± 13.89 0 10 84 153 3 +232.26 ± 37.43
407270 ncm-dbt-05 583405 500 188 64 248 +88.0 ± 13.66 0 11 106 131 2 +185.33 ± 33.03
407269 ncm-dbt-02 587028 500 208 48 244 +115.22 ± 13.55 0 9 74 165 2 +258.75 ± 39.96
407268 ncm-dbt-01 580613 500 218 56 226 +116.77 ± 12.65 0 5 79 165 1 +265.78 ± 38.54
407267 ncm-dbt-03 582569 500 210 56 234 +110.6 ± 12.7 0 5 87 157 1 +247.41 ± 36.56
407266 ncm-dbt-05 581818 500 200 61 239 +99.2 ± 13.35 0 10 91 149 0 +217.85 ± 35.89
407265 ncm-dbt-04 568514 500 196 75 229 +85.78 ± 12.82 0 6 119 123 2 +179.9 ± 30.5
407264 ncm-dbt-01 584117 500 212 55 233 +112.91 ± 13.56 0 10 74 165 1 +254.16 ± 39.94
407263 ncm-dbt-03 585169 500 203 50 247 +109.83 ± 13.89 1 8 80 159 2 +245.2 ± 38.39
407262 ncm-dbt-02 587240 500 198 59 243 +99.2 ± 13.19 0 8 96 145 1 +215.85 ± 34.78
407261 ncm-dbt-05 582736 500 200 66 234 +95.44 ± 14.1 0 12 95 140 3 +202.15 ± 35.11
407260 ncm-dbt-04 571029 500 204 72 224 +93.95 ± 14.53 1 11 97 137 4 +198.34 ± 34.72
407259 ncm-dbt-01 581693 500 204 56 240 +106.01 ± 13.39 0 7 91 149 3 +230.16 ± 35.78
407258 ncm-dbt-03 582945 500 211 64 225 +105.25 ± 13.05 0 7 90 152 1 +232.26 ± 35.99
407257 ncm-dbt-02 587579 500 221 56 223 +119.11 ± 12.43 0 3 81 164 2 +270.57 ± 37.86
407256 ncm-dbt-04 571511 500 208 51 241 +112.91 ± 13.56 0 8 80 159 3 +249.64 ± 38.38
407255 ncm-dbt-05 581902 500 193 56 251 +97.69 ± 13.34 0 9 96 144 1 +211.87 ± 34.83
407254 ncm-dbt-03 585126 500 197 52 251 +103.73 ± 13.38 0 7 94 146 3 +223.94 ± 35.14
407253 ncm-dbt-01 576373 500 204 47 249 +112.91 ± 13.04 0 4 89 153 4 +247.41 ± 36.02
407252 ncm-dbt-02 583698 500 208 54 238 +110.6 ± 13.89 0 11 76 161 2 +245.2 ± 39.38
407251 ncm-dbt-04 570629 500 203 59 238 +102.97 ± 13.04 0 7 93 149 1 +226.0 ± 35.35
407250 ncm-dbt-05 580116 500 195 55 250 +99.95 ± 13.52 0 9 94 145 2 +215.85 ± 35.23
407249 ncm-dbt-01 583070 500 213 46 241 +120.67 ± 13.5 0 7 73 166 4 +270.57 ± 40.25
407248 ncm-dbt-03 586223 500 209 63 228 +104.49 ± 13.55 0 7 94 145 4 +223.94 ± 35.14
407247 ncm-dbt-02 583321 500 209 54 237 +111.37 ± 14.06 0 11 76 160 3 +245.2 ± 39.38
407246 ncm-dbt-04 571632 500 201 68 231 +94.69 ± 13.78 0 11 97 140 2 +202.15 ± 34.7
407245 ncm-dbt-03 586858 500 216 44 240 +124.6 ± 13.27 0 5 73 167 5 +280.42 ± 40.21
407244 ncm-dbt-02 584327 500 214 56 230 +113.68 ± 12.86 0 5 84 159 2 +254.16 ± 37.27
407243 ncm-dbt-05 589710 500 197 62 241 +96.19 ± 13.16 0 7 103 138 2 +206.01 ± 33.36
407242 ncm-dbt-01 584327 500 214 53 233 +116.0 ± 13.02 0 5 82 160 3 +258.75 ± 37.76
407241 ncm-dbt-04 572598 500 203 48 249 +111.37 ± 12.69 0 4 89 155 2 +247.41 ± 36.02
407240 ncm-dbt-03 588515 500 198 57 245 +100.7 ± 14.32 0 14 83 151 2 +217.85 ± 37.63
407239 ncm-dbt-02 586646 500 212 57 231 +111.37 ± 13.22 0 2 98 143 7 +236.51 ± 33.87
407238 ncm-dbt-05 592634 500 196 56 248 +99.95 ± 13.03 0 6 100 142 2 +215.85 ± 33.86
407237 ncm-dbt-01 582736 500 207 61 232 +104.49 ± 13.05 0 7 91 151 1 +230.16 ± 35.78

Commit

Commit ID dfef7e75209a6d14f16618dd6040c0898522d89d
Author FauziAkram
Date 2025-04-02 15:36:46 UTC
Remove redundant assignment closes https://github.com/official-stockfish/Stockfish/pull/5944 No functional change
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