Dev Builds » 20250321-1002

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 06:47:05 584489 4010 1604 464 1942 +101.57 ± 4.69 0 57 770 1159 19 +219.41 ± 12.19
ncm-dbt-02 06:45:43 587372 4000 1610 483 1907 +100.61 ± 4.82 0 71 753 1154 22 +216.1 ± 12.37
ncm-dbt-03 06:45:01 586762 4000 1612 464 1924 +102.6 ± 4.74 0 68 730 1188 14 +223.43 ± 12.58
ncm-dbt-04 06:47:13 570506 4004 1622 477 1905 +102.2 ± 4.84 2 71 729 1180 20 +221.36 ± 12.59
ncm-dbt-05 06:47:16 584627 3986 1589 453 1944 +101.84 ± 4.73 0 70 726 1188 9 +222.65 ± 12.62
20000 8037 2341 9622 +101.76 ± 2.13 2 337 3708 5869 84 +220.58 ± 5.57

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
405735 ncm-dbt-04 571672 4 2 1 1 +88.51 ± 137.63 0 0 1 1 0 +190.5 ± 634.21
405734 ncm-dbt-01 582027 10 5 1 4 +147.05 ± 74.68 0 0 1 4 0 +381.35 ± 516.06
405733 ncm-dbt-05 587028 486 195 43 248 +112.43 ± 13.09 0 6 80 156 1 +252.68 ± 38.3
405732 ncm-dbt-03 585674 500 204 52 244 +109.07 ± 12.88 0 6 87 156 1 +243.0 ± 36.62
405731 ncm-dbt-01 583782 500 215 62 223 +109.83 ± 13.05 0 6 87 155 2 +243.0 ± 36.62
405730 ncm-dbt-04 570989 500 199 63 238 +96.94 ± 13.96 1 8 98 140 3 +207.95 ± 34.43
405729 ncm-dbt-02 587877 500 199 64 237 +96.19 ± 13.95 0 9 102 134 5 +200.24 ± 33.67
405728 ncm-dbt-05 588899 500 203 51 246 +109.07 ± 13.05 0 6 88 154 2 +240.82 ± 36.39
405727 ncm-dbt-03 586477 500 205 53 242 +109.07 ± 14.05 0 11 79 157 3 +238.66 ± 38.63
405726 ncm-dbt-01 584579 500 209 59 232 +107.54 ± 13.23 0 6 91 150 3 +234.38 ± 35.72
405725 ncm-dbt-02 588217 500 195 60 245 +96.19 ± 13.95 0 11 96 140 3 +204.07 ± 34.89
405724 ncm-dbt-04 569230 500 215 62 223 +109.83 ± 14.06 0 10 81 155 4 +238.66 ± 38.15
405723 ncm-dbt-05 583070 500 201 68 231 +94.69 ± 14.09 0 13 93 142 2 +202.15 ± 35.52
405722 ncm-dbt-03 587240 500 203 65 232 +98.44 ± 13.34 0 9 95 145 1 +213.85 ± 35.03
405721 ncm-dbt-01 583112 500 200 57 243 +102.22 ± 13.7 0 9 92 146 3 +219.87 ± 35.65
405720 ncm-dbt-04 572195 500 200 64 236 +96.94 ± 13.16 0 8 99 142 1 +209.91 ± 34.19
405719 ncm-dbt-02 587579 500 205 50 245 +111.37 ± 13.56 0 7 85 154 4 +243.0 ± 37.13
405718 ncm-dbt-05 583405 500 193 48 259 +103.73 ± 12.53 0 4 98 147 1 +228.08 ± 34.09
405717 ncm-dbt-03 588899 500 191 57 252 +95.44 ± 12.98 0 7 103 139 1 +206.01 ± 33.36
405716 ncm-dbt-04 568832 500 193 60 247 +94.69 ± 14.09 0 13 93 142 2 +202.15 ± 35.52
405715 ncm-dbt-02 586012 500 199 73 228 +89.48 ± 13.22 0 9 107 133 1 +190.85 ± 32.75
405714 ncm-dbt-01 586350 500 182 47 271 +96.19 ± 13.8 0 11 95 142 2 +206.01 ± 35.09
405713 ncm-dbt-05 586604 500 192 53 255 +99.2 ± 13.19 0 8 96 145 1 +215.85 ± 34.78
405712 ncm-dbt-03 586266 500 200 57 243 +102.22 ± 13.04 0 7 94 148 1 +223.94 ± 35.14
405711 ncm-dbt-04 570029 500 205 51 244 +110.6 ± 12.34 0 2 94 152 2 +245.2 ± 34.7
405710 ncm-dbt-01 582903 500 196 57 247 +99.2 ± 13.35 0 6 103 137 4 +209.91 ± 33.29
405709 ncm-dbt-02 583740 500 201 45 254 +112.14 ± 13.73 0 8 82 156 4 +245.2 ± 37.88
405708 ncm-dbt-05 580406 500 195 67 238 +90.97 ± 13.72 0 13 96 141 0 +196.45 ± 34.93
405707 ncm-dbt-03 583531 500 209 71 220 +98.44 ± 14.14 0 12 91 144 3 +209.91 ± 35.92
405706 ncm-dbt-01 587282 500 201 60 239 +100.7 ± 12.69 0 6 97 147 0 +221.9 ± 34.46
405705 ncm-dbt-02 587113 500 201 65 234 +96.94 ± 13.49 0 9 98 141 2 +207.95 ± 34.43
405704 ncm-dbt-04 570348 500 205 58 237 +105.25 ± 13.88 0 8 92 145 5 +223.94 ± 35.61
405703 ncm-dbt-03 586477 500 203 57 240 +104.49 ± 13.55 0 8 91 148 3 +226.0 ± 35.82
405702 ncm-dbt-05 583028 500 207 59 234 +106.01 ± 13.39 0 9 85 155 1 +234.38 ± 37.19
405701 ncm-dbt-01 582235 500 194 58 248 +96.94 ± 12.49 0 4 107 138 1 +209.91 ± 32.37
405700 ncm-dbt-02 588430 500 205 64 231 +100.7 ± 13.53 0 9 93 146 2 +217.85 ± 35.44
405699 ncm-dbt-04 569709 500 197 69 234 +90.97 ± 15.33 1 18 86 142 3 +192.71 ± 36.85
405698 ncm-dbt-03 589539 500 197 52 251 +103.73 ± 13.22 0 8 90 151 1 +228.08 ± 36.04
405697 ncm-dbt-05 584579 500 203 64 233 +99.2 ± 13.67 0 11 90 148 1 +215.85 ± 36.11
405696 ncm-dbt-01 588132 500 202 63 235 +99.2 ± 13.83 0 9 97 140 4 +209.91 ± 34.63
405695 ncm-dbt-02 590010 500 205 62 233 +102.22 ± 13.37 0 9 90 150 1 +223.94 ± 36.07
405694 ncm-dbt-04 571551 500 206 49 245 +112.91 ± 12.32 0 4 85 161 0 +256.44 ± 36.95

Commit

Commit ID 99d32e395ee0509578553d75580234e90de89d66
Author Shawn Xu
Date 2025-03-21 10:02:19 UTC
Reapply #5909 This version fixes the logic of `gives_check`, which was identified to be the cause of illegal moves. closes https://github.com/official-stockfish/Stockfish/pull/5914 No functional change Co-authored-by: Robert Nürnberg <robert.nurnberg@gmx.de> Co-authored-by: gab8192 <gabrilomba57@gmail.com>
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