Dev Builds » 20250426-1937

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 06:45:03 582049 4000 1671 466 1863 +108.02 ± 4.77 0 67 679 1236 18 +237.32 ± 13.06
ncm-dbt-02 06:44:41 586347 3990 1655 458 1877 +107.54 ± 4.76 1 61 691 1224 18 +236.23 ± 12.94
ncm-dbt-03 06:45:25 586287 4010 1663 461 1886 +107.44 ± 4.64 0 56 704 1232 13 +237.06 ± 12.8
ncm-dbt-04 06:44:57 568303 4000 1658 422 1920 +110.98 ± 4.69 3 45 686 1245 21 +245.75 ± 12.96
ncm-dbt-05 06:44:46 582486 4000 1661 446 1893 +108.97 ± 4.68 0 56 690 1237 17 +240.28 ± 12.94
20000 8308 2253 9439 +108.59 ± 2.11 4 285 3450 6174 87 +239.31 ± 5.78

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
411641 ncm-dbt-03 583950 10 4 2 4 +70.36 ± 79.51 0 0 3 2 0 +147.07 ± 211.27
411640 ncm-dbt-02 588813 490 201 51 238 +109.88 ± 14.08 0 9 81 151 4 +238.62 ± 38.13
411639 ncm-dbt-04 569350 500 209 55 236 +110.6 ± 12.52 0 2 95 150 3 +243.0 ± 34.49
411638 ncm-dbt-01 582903 500 217 53 230 +118.33 ± 13.7 0 6 80 158 6 +258.75 ± 38.32
411637 ncm-dbt-05 585506 500 207 56 237 +108.3 ± 13.06 0 4 95 147 4 +234.38 ± 34.71
411636 ncm-dbt-03 588132 500 221 59 220 +116.77 ± 12.83 0 5 80 163 2 +263.42 ± 38.27
411635 ncm-dbt-02 585928 500 201 59 240 +101.46 ± 13.53 0 8 95 144 3 +217.85 ± 34.98
411634 ncm-dbt-01 582861 500 215 68 217 +105.25 ± 13.39 0 8 89 151 2 +230.16 ± 36.26
411633 ncm-dbt-04 568315 500 213 62 225 +108.3 ± 13.23 1 3 93 150 3 +238.66 ± 35.13
411632 ncm-dbt-05 579578 500 210 63 227 +105.25 ± 12.71 0 6 91 153 0 +234.38 ± 35.72
411631 ncm-dbt-03 587367 500 212 61 227 +108.3 ± 13.06 0 6 89 153 2 +238.66 ± 36.16
411630 ncm-dbt-02 585169 500 209 63 228 +104.49 ± 13.55 0 10 85 154 1 +230.16 ± 37.2
411629 ncm-dbt-04 567522 500 206 55 239 +108.3 ± 13.23 1 4 90 153 2 +240.82 ± 35.87
411628 ncm-dbt-01 584117 500 198 53 249 +103.73 ± 13.55 0 10 86 153 1 +228.08 ± 36.98
411627 ncm-dbt-05 584411 500 195 56 249 +99.2 ± 13.35 0 10 91 149 0 +217.85 ± 35.89
411626 ncm-dbt-03 590096 500 203 54 243 +106.77 ± 12.88 0 6 90 153 1 +236.51 ± 35.94
411625 ncm-dbt-02 586689 500 208 60 232 +106.01 ± 13.88 0 10 85 152 3 +230.16 ± 37.2
411624 ncm-dbt-04 569789 500 211 38 251 +125.38 ± 13.07 0 6 68 173 3 +288.06 ± 41.76
411623 ncm-dbt-01 583363 500 215 67 218 +106.01 ± 13.22 0 6 93 148 3 +230.16 ± 35.29
411622 ncm-dbt-05 579289 500 208 48 244 +115.22 ± 13.38 0 7 79 161 3 +256.44 ± 38.62
411621 ncm-dbt-03 587452 500 206 58 236 +106.01 ± 13.39 0 8 88 152 2 +232.26 ± 36.48
411620 ncm-dbt-02 587749 500 215 57 228 +113.68 ± 13.04 0 6 82 160 2 +254.16 ± 37.82
411619 ncm-dbt-04 567522 500 199 68 233 +93.2 ± 14.06 0 12 98 137 3 +196.45 ± 34.53
411618 ncm-dbt-05 583447 500 206 56 238 +107.54 ± 14.05 0 10 84 152 4 +232.26 ± 37.43
411617 ncm-dbt-01 582736 500 212 53 235 +114.45 ± 13.38 0 8 77 163 2 +256.44 ± 39.15
411616 ncm-dbt-03 587070 500 210 53 237 +112.91 ± 12.5 0 4 86 159 1 +254.16 ± 36.71
411615 ncm-dbt-02 585126 500 206 60 234 +104.49 ± 12.88 0 6 93 150 1 +230.16 ± 35.29
411614 ncm-dbt-04 566178 500 199 45 256 +110.6 ± 13.22 0 7 84 157 2 +245.2 ± 37.37
411613 ncm-dbt-01 578136 500 213 55 232 +113.68 ± 13.21 0 6 83 158 3 +251.89 ± 37.57
411612 ncm-dbt-05 577028 500 214 45 241 +122.24 ± 12.38 0 3 77 168 2 +280.42 ± 38.93
411611 ncm-dbt-03 584076 500 198 58 244 +99.95 ± 13.52 0 11 88 151 0 +219.87 ± 36.54
411610 ncm-dbt-02 585211 500 211 61 228 +107.54 ± 13.23 1 5 88 155 1 +240.82 ± 36.39
411609 ncm-dbt-04 567561 500 218 47 235 +123.81 ± 13.46 1 4 72 169 4 +282.94 ± 40.5
411608 ncm-dbt-01 583070 500 202 68 230 +95.44 ± 13.94 0 13 91 145 1 +206.01 ± 35.92
411607 ncm-dbt-05 586097 500 211 65 224 +104.49 ± 12.53 0 5 94 151 0 +232.26 ± 35.0
411606 ncm-dbt-03 583237 500 205 57 238 +106.01 ± 13.72 0 9 87 151 3 +230.16 ± 36.73
411605 ncm-dbt-02 586097 500 204 47 249 +112.91 ± 13.39 0 7 82 158 3 +249.64 ± 37.86
411604 ncm-dbt-04 570188 500 203 52 245 +108.3 ± 13.06 0 7 86 156 1 +240.82 ± 36.9
411603 ncm-dbt-03 585211 500 204 59 237 +103.73 ± 13.22 0 7 93 148 2 +226.0 ± 35.35
411602 ncm-dbt-05 584537 500 210 57 233 +109.83 ± 14.22 0 11 79 156 4 +238.66 ± 38.63
411601 ncm-dbt-01 579207 500 199 49 252 +107.54 ± 13.4 0 10 80 160 0 +240.82 ± 38.39

Commit

Commit ID b915ed702aa4ac6bec948cb2baf3021f38762102
Author Shawn Xu
Date 2025-04-26 19:37:17 UTC
remove StateInfo::next unused. closes https://github.com/official-stockfish/Stockfish/pull/5997 no functional change
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