Dev Builds » 20251130-2058

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 06:48:27 581637 3988 1711 395 1882 +119.11 ± 4.54 0 32 639 1298 25 +267.83 ± 13.41
ncm-dbt-02 06:47:49 585914 4006 1716 401 1889 +118.43 ± 4.51 0 36 634 1315 18 +267.88 ± 13.48
ncm-dbt-03 06:48:14 585889 4008 1688 411 1909 +114.69 ± 4.6 0 42 665 1275 22 +255.44 ± 13.16
ncm-dbt-04 06:47:18 567425 3998 1705 387 1906 +118.98 ± 4.54 0 33 640 1301 25 +267.46 ± 13.4
ncm-dbt-05 06:48:13 580916 4000 1690 385 1925 +117.65 ± 4.51 1 26 664 1285 24 +264.01 ± 13.12
20000 8510 1979 9511 +117.77 ± 2.03 1 169 3242 6474 114 +264.48 ± 5.95

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
443585 ncm-dbt-02 587792 6 3 0 3 +190.46 ± 18.51 0 0 0 3 0 +1199.83 ± 276.48
443584 ncm-dbt-03 584832 8 4 0 4 +190.56 ± 13.88 0 0 0 4 0 +1199.83 ± 250.99
443583 ncm-dbt-01 580904 488 212 52 224 +118.28 ± 12.62 0 3 80 159 2 +267.89 ± 38.09
443582 ncm-dbt-04 568633 498 206 44 248 +117.28 ± 13.04 0 6 77 164 2 +264.93 ± 39.11
443581 ncm-dbt-05 579826 500 218 47 235 +123.81 ± 12.35 0 2 78 167 3 +282.94 ± 38.55
443580 ncm-dbt-02 585464 500 211 51 238 +115.22 ± 13.03 0 5 83 159 3 +256.44 ± 37.51
443579 ncm-dbt-03 587622 500 205 50 245 +111.37 ± 13.22 0 5 89 152 4 +243.0 ± 36.1
443578 ncm-dbt-01 582444 500 221 54 225 +120.67 ± 12.02 0 2 80 167 1 +277.93 ± 38.02
443577 ncm-dbt-04 567759 500 213 46 241 +120.67 ± 12.97 0 4 79 163 4 +270.57 ± 38.47
443576 ncm-dbt-05 580904 500 206 53 241 +109.83 ± 13.05 0 7 84 158 1 +245.2 ± 37.37
443575 ncm-dbt-02 586562 500 216 43 241 +125.38 ± 12.51 0 3 74 170 3 +288.06 ± 39.79
443574 ncm-dbt-03 584622 500 215 50 235 +119.11 ± 13.69 0 8 73 165 4 +265.78 ± 40.25
443573 ncm-dbt-05 582736 500 214 51 235 +117.55 ± 13.53 0 2 92 147 9 +249.64 ± 35.13
443572 ncm-dbt-01 578054 500 219 46 235 +125.38 ± 12.51 0 3 74 170 3 +288.06 ± 39.79
443571 ncm-dbt-04 569031 500 210 52 238 +113.68 ± 13.04 0 4 88 154 4 +249.64 ± 36.24
443570 ncm-dbt-03 585000 500 207 47 246 +115.22 ± 12.3 0 3 85 161 1 +261.07 ± 36.86
443569 ncm-dbt-02 586604 500 218 49 233 +122.24 ± 12.76 0 5 73 170 2 +280.42 ± 40.21
443568 ncm-dbt-01 582318 500 215 57 228 +113.68 ± 13.72 0 8 80 158 4 +249.64 ± 38.38
443567 ncm-dbt-05 578753 500 220 39 241 +131.74 ± 11.73 0 0 72 175 3 +309.64 ± 40.0
443566 ncm-dbt-04 568752 500 212 52 236 +115.22 ± 12.48 0 3 86 159 2 +258.75 ± 36.62
443565 ncm-dbt-03 586350 500 223 53 224 +123.02 ± 11.57 0 0 81 168 1 +285.49 ± 37.46
443564 ncm-dbt-02 585042 500 218 56 226 +116.77 ± 12.83 0 5 80 163 2 +263.42 ± 38.27
443563 ncm-dbt-04 567918 500 211 48 241 +117.55 ± 12.27 0 3 82 164 1 +268.17 ± 37.61
443562 ncm-dbt-01 584034 500 206 50 244 +112.14 ± 13.04 0 6 84 158 2 +249.64 ± 37.33
443561 ncm-dbt-05 581610 500 204 44 252 +115.23 ± 13.37 1 5 79 163 2 +261.07 ± 38.58
443560 ncm-dbt-03 585801 500 205 53 242 +109.07 ± 13.56 0 6 91 148 5 +234.38 ± 35.72
443559 ncm-dbt-02 582068 500 210 51 239 +114.45 ± 12.49 0 2 90 155 3 +254.16 ± 35.58
443558 ncm-dbt-04 566099 500 216 47 237 +122.24 ± 12.76 0 4 76 167 3 +277.93 ± 39.29
443557 ncm-dbt-01 584076 500 218 45 237 +125.38 ± 12.89 0 2 79 163 6 +280.42 ± 38.28
443556 ncm-dbt-05 582318 500 212 46 242 +119.89 ± 12.23 0 1 85 161 3 +270.57 ± 36.61
443555 ncm-dbt-02 586562 500 215 40 245 +126.97 ± 12.08 0 3 70 176 1 +298.62 ± 41.01
443554 ncm-dbt-03 584790 500 213 46 241 +120.67 ± 12.22 0 3 78 168 1 +277.93 ± 38.66
443553 ncm-dbt-04 565390 500 225 45 230 +130.94 ± 12.76 0 2 72 170 6 +298.62 ± 40.29
443552 ncm-dbt-05 577233 500 200 56 244 +102.97 ± 12.87 0 5 98 145 2 +223.94 ± 34.18
443551 ncm-dbt-01 581652 500 212 41 247 +123.81 ± 13.1 0 4 76 165 5 +277.93 ± 39.29
443550 ncm-dbt-02 584916 500 209 46 245 +117.55 ± 12.64 0 5 78 166 1 +268.17 ± 38.8
443549 ncm-dbt-03 589539 500 203 56 241 +105.25 ± 13.72 0 10 85 153 2 +230.16 ± 37.2
443548 ncm-dbt-04 565823 500 212 53 235 +114.45 ± 13.38 0 7 80 160 3 +254.16 ± 38.36
443547 ncm-dbt-01 579620 500 208 50 242 +113.68 ± 12.68 0 4 86 158 2 +254.16 ± 36.71
443546 ncm-dbt-02 588217 500 216 65 219 +108.3 ± 13.56 0 8 86 153 3 +236.51 ± 36.93
443545 ncm-dbt-05 583950 500 216 49 235 +120.67 ± 12.41 0 4 76 169 1 +277.93 ± 39.29
443544 ncm-dbt-03 584453 500 213 56 231 +112.91 ± 13.56 0 7 83 156 4 +247.41 ± 37.61

Commit

Commit ID 7c7c574e6b572ff7e23388d9f767471e597cb872
Author Timothy Herchen
Date 2025-11-30 20:58:35 UTC
Fix msvc macro closes https://github.com/official-stockfish/Stockfish/pull/6449 No functional change
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