Dev Builds » 20250402-1523

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 06:44:37 581529 4002 1667 429 1906 +111.12 ± 4.57 1 44 684 1260 12 +248.08 ± 12.97
ncm-dbt-02 06:43:35 584456 4000 1661 454 1885 +108.21 ± 4.67 0 47 723 1206 24 +236.25 ± 12.59
ncm-dbt-03 06:45:20 585962 4014 1630 445 1939 +105.71 ± 4.68 0 59 720 1212 16 +231.45 ± 12.65
ncm-dbt-04 06:44:27 569895 3988 1599 495 1894 +98.76 ± 4.87 2 70 768 1130 24 +211.2 ± 12.24
ncm-dbt-05 06:45:35 586308 3996 1624 460 1912 +104.22 ± 4.76 0 66 720 1194 18 +226.82 ± 12.67
20000 8181 2283 9536 +105.59 ± 2.11 3 286 3615 6002 94 +230.53 ± 5.64

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
407408 ncm-dbt-01 583656 2 1 0 1 +189.7 ± 55.98 0 0 0 1 0 +1129.65 ± 376.02
407407 ncm-dbt-03 585464 14 6 3 5 +75.6 ± 101.52 0 1 2 4 0 +159.18 ± 377.67
407406 ncm-dbt-04 569151 488 202 63 223 +101.77 ± 13.58 0 6 97 137 4 +216.49 ± 34.42
407405 ncm-dbt-05 586477 496 196 52 248 +103.85 ± 12.76 0 5 95 147 1 +228.39 ± 34.78
407404 ncm-dbt-02 586520 500 205 48 247 +112.91 ± 12.69 0 3 90 154 3 +249.64 ± 35.69
407403 ncm-dbt-01 578630 500 208 65 227 +102.22 ± 11.8 0 1 105 144 0 +226.0 ± 32.37
407402 ncm-dbt-03 586393 500 201 54 245 +105.25 ± 12.53 0 4 96 149 1 +232.26 ± 34.5
407401 ncm-dbt-04 570108 500 188 80 232 +76.25 ± 13.96 0 16 111 122 1 +158.93 ± 32.34
407400 ncm-dbt-05 587409 500 203 67 230 +96.94 ± 14.27 0 13 91 143 3 +206.01 ± 35.92
407399 ncm-dbt-02 582778 500 211 55 234 +112.14 ± 13.04 0 5 87 155 3 +247.41 ± 36.56
407398 ncm-dbt-01 581610 500 206 47 247 +114.45 ± 12.49 0 5 81 164 0 +261.07 ± 38.02
407397 ncm-dbt-03 586689 500 198 58 244 +99.95 ± 12.86 0 6 99 144 1 +217.85 ± 34.06
407396 ncm-dbt-04 569031 500 217 44 239 +125.38 ± 13.07 0 5 71 170 4 +285.49 ± 40.81
407395 ncm-dbt-05 587962 500 212 50 238 +116.77 ± 13.54 0 8 75 164 3 +261.07 ± 39.69
407394 ncm-dbt-02 587070 500 201 64 235 +97.69 ± 13.66 0 9 98 140 3 +207.95 ± 34.43
407393 ncm-dbt-01 577684 500 202 39 259 +117.55 ± 13.0 0 6 77 165 2 +265.78 ± 39.12
407392 ncm-dbt-03 586393 500 197 59 244 +98.44 ± 13.98 0 11 93 143 3 +209.91 ± 35.49
407391 ncm-dbt-04 569470 500 199 63 238 +96.94 ± 14.27 2 5 103 135 5 +206.01 ± 33.36
407390 ncm-dbt-05 583782 500 200 63 237 +97.69 ± 13.5 0 8 100 139 3 +207.95 ± 33.99
407389 ncm-dbt-02 585759 500 202 53 245 +106.77 ± 13.72 0 8 89 149 4 +230.16 ± 36.26
407388 ncm-dbt-01 583279 500 215 55 230 +115.22 ± 12.85 0 5 82 161 2 +258.75 ± 37.76
407387 ncm-dbt-03 587155 500 205 49 246 +112.14 ± 13.22 0 7 82 159 2 +249.64 ± 37.86
407386 ncm-dbt-04 570108 500 189 60 251 +91.71 ± 14.04 0 14 94 141 1 +196.45 ± 35.33
407385 ncm-dbt-05 586943 500 198 56 246 +101.46 ± 13.53 0 8 95 144 3 +217.85 ± 34.98
407384 ncm-dbt-02 582694 500 208 52 240 +112.14 ± 12.33 0 3 89 157 1 +251.89 ± 35.92
407383 ncm-dbt-03 586181 500 204 51 245 +109.83 ± 13.05 0 6 87 155 2 +243.0 ± 36.62
407382 ncm-dbt-01 582819 500 210 60 230 +107.54 ± 13.56 0 8 87 152 3 +234.38 ± 36.71
407381 ncm-dbt-04 571632 500 201 68 231 +94.69 ± 13.3 0 7 106 134 3 +200.24 ± 32.81
407380 ncm-dbt-05 587707 500 204 58 238 +104.49 ± 12.88 0 6 93 150 1 +230.16 ± 35.29
407379 ncm-dbt-02 586435 500 209 70 221 +99.2 ± 13.83 0 10 94 143 3 +211.87 ± 35.26
407378 ncm-dbt-01 581028 500 207 58 235 +106.77 ± 13.39 0 10 81 159 0 +238.66 ± 38.15
407377 ncm-dbt-03 584495 500 193 56 251 +97.69 ± 14.43 0 13 91 142 4 +206.01 ± 35.92
407376 ncm-dbt-04 568355 500 198 63 239 +96.19 ± 14.11 0 10 100 135 5 +200.24 ± 34.09
407375 ncm-dbt-05 582819 500 205 53 242 +109.07 ± 13.23 0 7 86 155 2 +240.82 ± 36.9
407374 ncm-dbt-01 581569 500 213 51 236 +116.78 ± 13.19 1 4 79 164 2 +265.78 ± 38.54
407373 ncm-dbt-02 583782 500 216 62 222 +110.6 ± 13.39 0 4 94 146 6 +236.51 ± 34.92
407372 ncm-dbt-03 584411 500 219 61 220 +113.68 ± 13.04 0 7 79 163 1 +256.44 ± 38.62
407371 ncm-dbt-04 571310 500 205 54 241 +108.3 ± 13.06 0 7 86 156 1 +240.82 ± 36.9
407370 ncm-dbt-01 583489 500 205 54 241 +108.3 ± 13.06 0 5 92 150 3 +236.51 ± 35.43
407369 ncm-dbt-05 587367 500 206 61 233 +103.73 ± 13.87 0 11 85 152 2 +226.0 ± 37.21
407368 ncm-dbt-02 580613 500 209 50 241 +114.45 ± 12.67 0 5 82 162 1 +258.75 ± 37.76
407367 ncm-dbt-03 586477 500 207 54 239 +109.83 ± 12.7 0 4 91 153 2 +243.0 ± 35.57

Commit

Commit ID 0475c8653f6d7d6940918120d3e994845906b6d1
Author Disservin
Date 2025-04-02 15:23:32 UTC
Restore development closes https://github.com/official-stockfish/Stockfish/pull/5956 No functional change
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