Dev Builds » 20250523-0653

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 06:45:13 583599 4000 1667 444 1889 +109.74 ± 4.65 2 42 708 1227 21 +241.91 ± 12.73
ncm-dbt-02 06:47:03 585686 4000 1668 461 1871 +108.21 ± 4.76 0 65 681 1236 18 +237.85 ± 13.04
ncm-dbt-03 06:46:41 586135 4000 1625 472 1903 +103.07 ± 4.73 1 62 735 1187 15 +224.72 ± 12.52
ncm-dbt-04 06:46:35 568640 4018 1632 477 1909 +102.77 ± 4.71 1 64 735 1197 12 +224.68 ± 12.53
ncm-dbt-05 06:46:09 582946 3982 1627 401 1954 +110.56 ± 4.68 0 57 665 1255 14 +245.61 ± 13.19
20000 8219 2255 9526 +106.85 ± 2.1 4 290 3524 6102 80 +234.81 ± 5.72

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
414627 ncm-dbt-04 569430 18 9 5 4 +78.47 ± 60.12 0 0 5 4 0 +165.92 ± 155.98
414626 ncm-dbt-05 583531 482 192 43 247 +111.03 ± 13.34 0 6 82 151 2 +246.28 ± 37.78
414625 ncm-dbt-02 585548 500 204 59 237 +103.73 ± 13.05 0 7 92 150 1 +228.08 ± 35.56
414624 ncm-dbt-03 586266 500 204 53 243 +108.3 ± 11.98 0 2 95 153 0 +243.0 ± 34.49
414623 ncm-dbt-01 581485 500 208 52 240 +112.14 ± 12.87 0 4 89 154 3 +247.41 ± 36.02
414622 ncm-dbt-04 569669 500 206 62 232 +102.97 ± 13.54 0 10 87 152 1 +226.0 ± 36.75
414621 ncm-dbt-05 584495 500 198 58 244 +99.95 ± 13.19 0 8 95 146 1 +217.85 ± 34.98
414620 ncm-dbt-02 585421 500 211 59 230 +109.07 ± 13.05 0 5 91 151 3 +238.66 ± 35.65
414619 ncm-dbt-03 585928 500 209 53 238 +112.14 ± 14.06 0 7 87 149 7 +238.66 ± 36.67
414618 ncm-dbt-01 584034 500 214 47 239 +120.67 ± 13.5 0 7 73 166 4 +270.57 ± 40.25
414617 ncm-dbt-04 569270 500 204 50 246 +110.6 ± 13.22 0 8 81 160 1 +247.41 ± 38.13
414616 ncm-dbt-05 584243 500 207 56 237 +108.3 ± 13.23 0 8 84 157 1 +240.82 ± 37.4
414615 ncm-dbt-02 587579 500 213 51 236 +116.77 ± 13.36 0 6 80 160 4 +258.75 ± 38.32
414614 ncm-dbt-01 584537 500 197 61 242 +96.94 ± 12.66 0 4 108 136 2 +207.95 ± 32.19
414613 ncm-dbt-03 583992 500 205 66 229 +99.2 ± 13.99 0 13 86 150 1 +215.85 ± 36.98
414612 ncm-dbt-04 567640 500 201 60 239 +100.71 ± 14.01 1 8 93 145 3 +217.85 ± 35.44
414611 ncm-dbt-05 585843 500 204 48 248 +112.14 ± 13.56 0 9 78 161 2 +249.64 ± 38.9
414610 ncm-dbt-02 584537 500 206 59 235 +105.25 ± 13.72 0 11 82 156 1 +232.26 ± 37.9
414609 ncm-dbt-01 583363 500 218 56 226 +116.77 ± 12.65 0 2 88 156 4 +258.75 ± 36.04
414608 ncm-dbt-03 585885 500 201 54 245 +105.25 ± 13.39 0 8 89 151 2 +230.16 ± 36.26
414607 ncm-dbt-04 566533 500 201 65 234 +96.94 ± 12.83 0 7 100 143 0 +211.87 ± 33.93
414606 ncm-dbt-05 579331 500 206 53 241 +109.83 ± 13.23 0 8 82 159 1 +245.2 ± 37.88
414605 ncm-dbt-01 583447 500 213 58 229 +111.37 ± 13.05 1 5 82 162 0 +254.16 ± 37.82
414604 ncm-dbt-02 586816 500 206 62 232 +102.97 ± 13.04 0 8 90 152 0 +228.08 ± 36.04
414603 ncm-dbt-03 585421 500 199 54 247 +103.73 ± 12.88 0 7 91 152 0 +230.16 ± 35.78
414602 ncm-dbt-04 570549 500 206 50 244 +112.14 ± 12.69 0 4 88 156 2 +249.64 ± 36.24
414601 ncm-dbt-05 577889 500 219 45 236 +126.17 ± 13.06 0 4 73 168 5 +285.49 ± 40.16
414600 ncm-dbt-01 583656 500 205 50 245 +111.37 ± 13.56 1 5 85 156 3 +247.41 ± 37.09
414599 ncm-dbt-02 584201 500 208 52 240 +112.14 ± 13.39 0 8 80 160 2 +249.64 ± 38.38
414598 ncm-dbt-04 568514 500 201 64 235 +97.69 ± 13.97 0 11 94 142 3 +207.95 ± 35.29
414597 ncm-dbt-03 586858 500 198 55 247 +102.22 ± 13.04 0 7 94 148 1 +223.94 ± 35.14
414596 ncm-dbt-05 583070 500 199 51 250 +106.01 ± 13.56 0 9 86 153 2 +232.26 ± 36.96
414595 ncm-dbt-01 583950 500 215 54 231 +116.0 ± 13.02 0 5 82 160 3 +258.75 ± 37.76
414594 ncm-dbt-02 586266 500 212 65 223 +105.25 ± 14.51 0 12 84 149 5 +223.94 ± 37.43
414593 ncm-dbt-04 567363 500 197 64 239 +94.69 ± 13.62 0 12 93 145 0 +206.01 ± 35.51
414592 ncm-dbt-03 587664 500 200 63 237 +97.69 ± 13.82 0 10 96 141 3 +207.95 ± 34.86
414591 ncm-dbt-05 585169 500 202 47 251 +111.37 ± 12.51 0 5 85 160 0 +251.89 ± 37.03
414590 ncm-dbt-01 584327 500 197 66 237 +93.2 ± 13.6 0 10 101 137 2 +198.34 ± 33.9
414589 ncm-dbt-04 568792 500 207 57 236 +107.54 ± 12.71 0 4 94 150 2 +236.51 ± 34.92
414588 ncm-dbt-02 585126 500 208 54 238 +110.6 ± 13.39 0 8 82 158 2 +245.2 ± 37.88
414587 ncm-dbt-03 587070 500 209 74 217 +96.19 ± 13.64 1 8 97 143 1 +209.91 ± 34.63

Commit

Commit ID c13c1d2c30b3b2f9068f1a3b7c239e2264f329e0
Author Disservin
Date 2025-05-23 06:53:00 UTC
Silence "may be used uninitialized" GCC 15 warning closes https://github.com/official-stockfish/Stockfish/pull/6083 No functional change
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