Dev Builds » 20250523-0654

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 06:45:30 582133 4000 1620 484 1896 +101.46 ± 4.74 0 62 760 1158 20 +218.86 ± 12.29
ncm-dbt-02 06:45:19 584955 3990 1630 463 1897 +104.67 ± 4.8 0 70 706 1201 18 +228.04 ± 12.8
ncm-dbt-03 06:46:43 585489 4010 1630 453 1927 +105.07 ± 4.75 1 61 723 1200 20 +228.89 ± 12.63
ncm-dbt-04 06:44:27 568551 4000 1647 463 1890 +106.01 ± 4.69 1 59 707 1221 12 +233.59 ± 12.78
ncm-dbt-05 06:46:04 583286 4000 1645 446 1909 +107.44 ± 4.74 0 54 720 1199 27 +233.32 ± 12.64
20000 8172 2309 9519 +104.93 ± 2.12 2 306 3616 5979 97 +228.49 ± 5.64

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
414583 ncm-dbt-03 583489 10 5 1 4 +147.05 ± 74.68 0 0 1 4 0 +381.35 ± 516.06
414582 ncm-dbt-02 584327 490 199 64 227 +98.26 ± 14.33 0 14 83 147 1 +213.33 ± 37.63
414581 ncm-dbt-05 585674 500 199 61 240 +98.44 ± 13.18 0 8 97 144 1 +213.85 ± 34.58
414580 ncm-dbt-04 570108 500 198 72 230 +89.48 ± 14.15 0 13 101 133 3 +187.16 ± 33.99
414579 ncm-dbt-01 582945 500 205 57 238 +106.01 ± 14.04 0 11 83 153 3 +230.16 ± 37.67
414578 ncm-dbt-03 586604 500 201 61 238 +99.95 ± 13.36 0 10 90 150 0 +219.87 ± 36.1
414577 ncm-dbt-02 583782 500 212 58 230 +110.6 ± 13.73 0 8 84 154 4 +240.82 ± 37.4
414576 ncm-dbt-01 580489 500 199 63 238 +96.94 ± 12.49 0 5 104 141 0 +211.87 ± 33.02
414575 ncm-dbt-05 583363 500 198 50 252 +106.01 ± 13.72 0 9 87 151 3 +230.16 ± 36.73
414574 ncm-dbt-04 567759 500 213 52 235 +116.0 ± 13.2 0 6 80 161 3 +258.75 ± 38.32
414573 ncm-dbt-03 585717 500 202 55 243 +105.25 ± 13.39 0 7 92 148 3 +228.08 ± 35.56
414572 ncm-dbt-02 586181 500 202 60 238 +101.46 ± 14.17 0 10 93 142 5 +213.85 ± 35.47
414571 ncm-dbt-04 569430 500 211 56 233 +111.37 ± 12.69 0 5 86 158 1 +249.64 ± 36.79
414570 ncm-dbt-01 581236 500 191 59 250 +93.95 ± 13.29 0 8 104 136 2 +200.24 ± 33.24
414569 ncm-dbt-05 585590 500 216 50 234 +119.89 ± 13.16 0 4 81 160 5 +265.78 ± 37.95
414568 ncm-dbt-03 587325 500 208 57 235 +108.3 ± 14.37 1 9 82 154 4 +236.51 ± 37.9
414567 ncm-dbt-02 585632 500 200 70 230 +92.45 ± 13.9 0 13 95 141 1 +198.34 ± 35.12
414566 ncm-dbt-01 583447 500 203 66 231 +97.69 ± 13.66 0 8 101 137 4 +206.01 ± 33.8
414565 ncm-dbt-04 568236 500 210 58 232 +109.07 ± 12.53 0 5 88 157 0 +245.2 ± 36.32
414564 ncm-dbt-03 586181 500 202 46 252 +112.14 ± 12.69 0 4 88 156 2 +249.64 ± 36.24
414563 ncm-dbt-05 580116 500 210 53 237 +112.91 ± 12.69 0 5 84 160 1 +254.16 ± 37.27
414562 ncm-dbt-04 566967 500 193 54 253 +99.2 ± 13.02 0 8 95 147 0 +217.85 ± 34.98
414561 ncm-dbt-01 581236 500 209 59 232 +107.54 ± 13.06 0 4 96 146 4 +232.26 ± 34.5
414560 ncm-dbt-02 582819 500 201 50 249 +108.3 ± 13.06 0 6 89 153 2 +238.66 ± 36.16
414559 ncm-dbt-05 582778 500 198 57 245 +100.7 ± 13.36 0 7 98 142 3 +215.85 ± 34.33
414558 ncm-dbt-03 583698 500 195 63 242 +93.95 ± 14.23 0 14 92 142 2 +200.24 ± 35.72
414557 ncm-dbt-02 586181 500 204 51 245 +109.83 ± 13.4 0 8 83 157 2 +243.0 ± 37.64
414556 ncm-dbt-04 569589 500 201 54 245 +105.25 ± 13.55 1 7 87 154 1 +234.38 ± 36.71
414555 ncm-dbt-01 582277 500 203 61 236 +101.46 ± 13.69 0 10 90 148 2 +219.87 ± 36.1
414554 ncm-dbt-05 585674 500 207 47 246 +115.22 ± 13.03 0 4 86 156 4 +254.16 ± 36.71
414553 ncm-dbt-03 585843 500 201 56 243 +103.73 ± 13.05 0 7 92 150 1 +228.08 ± 35.56
414552 ncm-dbt-02 584495 500 206 62 232 +102.97 ± 12.87 0 6 95 148 1 +226.0 ± 34.87
414551 ncm-dbt-04 566651 500 206 69 225 +97.69 ± 13.97 0 11 94 142 3 +207.95 ± 35.29
414550 ncm-dbt-01 584327 500 207 60 233 +105.25 ± 13.88 0 10 86 151 3 +228.08 ± 36.98
414549 ncm-dbt-05 582360 500 209 69 222 +99.95 ± 14.15 0 10 95 140 5 +209.91 ± 35.06
414548 ncm-dbt-03 584874 500 210 57 233 +109.83 ± 13.23 0 4 94 147 5 +236.51 ± 34.92
414547 ncm-dbt-02 586223 500 206 48 246 +113.68 ± 12.86 0 5 84 159 2 +254.16 ± 37.27
414546 ncm-dbt-04 569669 500 215 48 237 +120.67 ± 12.41 0 4 76 169 1 +277.93 ± 39.29
414545 ncm-dbt-01 581111 500 203 59 238 +102.97 ± 13.04 0 6 96 146 2 +223.94 ± 34.66
414544 ncm-dbt-05 580738 500 208 59 233 +106.77 ± 13.72 0 7 92 146 5 +228.08 ± 35.56
414543 ncm-dbt-03 585674 500 206 57 237 +106.77 ± 13.23 0 6 92 149 3 +232.26 ± 35.5

Commit

Commit ID 2662d6bf3544493fef718f05cb9a2c3ff1324d3d
Author Disservin
Date 2025-05-23 06:54:06 UTC
Update clang-format to v20 closes https://github.com/official-stockfish/Stockfish/pull/6085 No functional change
Copyright 2011–2025 Next Chess Move LLC