Dev Builds » 20250402-1534

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 06:45:10 582375 4000 1661 439 1900 +109.64 ± 4.74 0 66 661 1258 15 +242.73 ± 13.25
ncm-dbt-02 06:45:04 586222 3992 1646 451 1895 +107.29 ± 4.77 0 59 708 1204 25 +233.41 ± 12.77
ncm-dbt-03 06:44:20 584268 4000 1676 454 1870 +109.64 ± 4.67 0 55 684 1245 16 +242.46 ± 12.99
ncm-dbt-04 06:45:35 570386 4010 1657 481 1872 +104.97 ± 4.84 1 73 700 1211 20 +228.63 ± 12.87
ncm-dbt-05 06:45:41 587620 3998 1619 455 1924 +104.17 ± 4.75 0 65 722 1195 17 +226.93 ± 12.64
20000 8259 2280 9461 +107.14 ± 2.13 1 318 3475 6113 93 +234.75 ± 5.77

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
407320 ncm-dbt-04 567720 10 2 1 7 +34.8 ± 62.53 0 0 4 1 0 +70.35 ± 134.03
407319 ncm-dbt-02 584453 492 212 62 218 +109.4 ± 12.45 0 3 91 151 1 +243.93 ± 35.44
407318 ncm-dbt-05 585632 498 192 58 248 +95.84 ± 13.51 0 10 96 142 1 +207.04 ± 34.86
407317 ncm-dbt-03 583531 500 207 60 233 +105.25 ± 13.56 0 8 90 149 3 +228.08 ± 36.04
407316 ncm-dbt-01 581818 500 205 59 236 +104.49 ± 13.88 0 11 84 153 2 +228.08 ± 37.44
407315 ncm-dbt-04 569509 500 207 45 248 +116.77 ± 13.54 0 9 72 167 2 +263.42 ± 40.52
407314 ncm-dbt-02 586012 500 202 64 234 +98.44 ± 13.51 0 9 96 143 2 +211.87 ± 34.83
407313 ncm-dbt-05 588089 500 204 56 240 +106.01 ± 13.05 0 7 89 153 1 +234.38 ± 36.22
407312 ncm-dbt-01 581652 500 215 64 221 +108.3 ± 12.35 0 4 91 155 0 +243.0 ± 35.57
407311 ncm-dbt-03 582611 500 204 54 242 +107.54 ± 13.23 0 7 88 153 2 +236.51 ± 36.44
407310 ncm-dbt-04 570709 500 208 63 229 +103.73 ± 13.38 1 6 91 151 1 +230.16 ± 35.78
407309 ncm-dbt-02 590010 500 192 56 252 +96.94 ± 13.65 0 10 96 142 2 +207.95 ± 34.86
407308 ncm-dbt-05 582611 500 200 58 242 +101.46 ± 13.69 0 8 96 142 4 +215.85 ± 34.78
407307 ncm-dbt-01 580987 500 207 48 245 +114.45 ± 13.38 0 9 74 166 1 +258.75 ± 39.96
407306 ncm-dbt-04 571351 500 204 60 236 +102.97 ± 14.64 0 14 82 150 4 +219.87 ± 37.85
407305 ncm-dbt-03 586097 500 218 57 225 +116.0 ± 12.29 0 2 87 159 2 +261.07 ± 36.27
407304 ncm-dbt-02 586731 500 200 44 256 +112.14 ± 12.87 0 5 86 157 2 +249.64 ± 36.79
407303 ncm-dbt-05 588004 500 200 52 248 +106.01 ± 13.88 0 9 88 149 4 +228.08 ± 36.51
407302 ncm-dbt-04 571110 500 205 67 228 +98.44 ± 13.82 0 9 98 139 4 +207.95 ± 34.43
407301 ncm-dbt-03 583572 500 219 60 221 +114.45 ± 13.55 0 7 81 158 4 +251.89 ± 38.11
407300 ncm-dbt-01 584034 500 206 57 237 +106.77 ± 14.05 0 11 82 154 3 +232.26 ± 37.9
407299 ncm-dbt-02 585337 500 218 53 229 +119.11 ± 14.03 0 8 75 161 6 +261.07 ± 39.69
407298 ncm-dbt-05 581361 500 199 51 250 +106.01 ± 13.05 0 7 89 153 1 +234.38 ± 36.22
407297 ncm-dbt-04 571110 500 205 73 222 +93.95 ± 14.07 0 13 94 141 2 +200.24 ± 35.32
407296 ncm-dbt-01 582027 500 209 56 235 +109.83 ± 13.4 0 6 89 151 4 +238.66 ± 36.16
407295 ncm-dbt-03 586308 500 195 50 255 +103.73 ± 13.71 0 12 81 157 0 +230.16 ± 38.13
407294 ncm-dbt-02 586477 500 207 56 237 +108.3 ± 13.56 0 8 86 153 3 +236.51 ± 36.93
407293 ncm-dbt-04 569949 500 209 65 226 +102.97 ± 13.38 0 8 92 148 2 +223.94 ± 35.61
407292 ncm-dbt-01 582819 500 200 46 254 +110.6 ± 13.73 0 10 78 160 2 +245.2 ± 38.89
407291 ncm-dbt-05 582527 500 211 58 231 +109.83 ± 14.22 0 12 76 159 3 +240.82 ± 39.35
407290 ncm-dbt-03 582235 500 217 58 225 +114.45 ± 12.67 0 3 88 156 3 +254.16 ± 36.15
407289 ncm-dbt-02 586520 500 205 55 240 +107.54 ± 13.23 0 5 94 147 4 +232.26 ± 35.0
407288 ncm-dbt-04 570949 500 219 48 233 +123.81 ± 12.54 0 4 73 171 2 +285.49 ± 40.16
407287 ncm-dbt-05 582444 500 216 62 222 +110.6 ± 12.52 0 4 89 156 1 +247.41 ± 36.02
407286 ncm-dbt-03 584832 500 213 61 226 +109.07 ± 13.23 0 8 83 158 1 +243.0 ± 37.64
407285 ncm-dbt-01 579951 500 206 55 239 +108.3 ± 13.73 0 11 78 160 1 +240.82 ± 38.87
407284 ncm-dbt-02 584243 500 210 61 229 +106.77 ± 14.36 0 11 84 150 5 +228.08 ± 37.44
407283 ncm-dbt-05 610296 500 197 60 243 +97.69 ± 13.34 0 8 99 141 2 +209.91 ± 34.19
407282 ncm-dbt-03 584958 500 203 54 243 +106.77 ± 13.23 0 8 86 155 1 +236.51 ± 36.93
407281 ncm-dbt-04 571070 500 198 59 243 +99.2 ± 13.83 0 10 94 143 3 +211.87 ± 35.26
407280 ncm-dbt-01 585717 500 213 54 233 +114.45 ± 12.67 0 4 85 159 2 +256.44 ± 36.95

Commit

Commit ID ee35a51c40eff7fb237f217d87d9ca7c73874924
Author Shawn Xu
Date 2025-04-02 15:34:37 UTC
Remove extra division closes https://github.com/official-stockfish/Stockfish/pull/5943 No functional change
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