Dev Builds » 20251113-2121

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 06:43:37 581761 4000 1711 436 1853 +114.74 ± 4.64 0 41 671 1260 28 +253.87 ± 13.09
ncm-dbt-02 06:43:37 585773 4000 1690 425 1885 +113.78 ± 4.67 0 43 678 1250 29 +250.77 ± 13.03
ncm-dbt-03 06:44:35 585531 4004 1701 415 1888 +115.68 ± 4.76 0 59 624 1293 26 +257.23 ± 13.64
ncm-dbt-04 06:43:31 566514 4000 1710 422 1868 +116.0 ± 4.67 2 36 665 1266 31 +257.31 ± 13.15
ncm-dbt-05 06:45:04 582707 3996 1691 419 1886 +114.58 ± 4.54 0 37 671 1271 19 +255.94 ± 13.08
20000 8503 2117 9380 +114.96 ± 2.08 2 216 3309 6340 133 +255.01 ± 5.9

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
441710 ncm-dbt-03 584411 4 2 0 2 +190.27 ± 27.79 0 0 0 2 0 +1199.83 ± 312.71
441709 ncm-dbt-05 581693 496 224 57 215 +121.72 ± 12.25 0 2 79 165 2 +278.75 ± 38.27
441708 ncm-dbt-04 565469 500 208 47 245 +116.0 ± 13.02 0 3 88 154 5 +254.16 ± 36.15
441707 ncm-dbt-02 586604 500 200 42 258 +113.68 ± 13.04 0 5 85 157 3 +251.89 ± 37.03
441706 ncm-dbt-03 583992 500 213 50 237 +117.55 ± 13.7 0 8 75 163 4 +261.07 ± 39.69
441705 ncm-dbt-01 583782 500 207 51 242 +112.14 ± 14.22 0 9 82 153 6 +240.82 ± 37.9
441704 ncm-dbt-02 584622 500 211 67 222 +102.97 ± 13.04 0 5 99 143 3 +221.9 ± 33.98
441703 ncm-dbt-05 585464 500 210 58 232 +109.07 ± 13.05 0 5 91 151 3 +238.66 ± 35.65
441702 ncm-dbt-04 566770 500 210 55 235 +111.37 ± 13.56 0 8 82 157 3 +245.2 ± 37.88
441701 ncm-dbt-03 584874 500 208 51 241 +112.91 ± 13.39 0 8 79 161 2 +251.89 ± 38.63
441700 ncm-dbt-01 580447 500 205 52 243 +109.83 ± 13.05 0 6 87 155 2 +243.0 ± 36.62
441699 ncm-dbt-04 563548 500 219 60 221 +114.45 ± 13.38 0 3 92 148 7 +245.2 ± 35.25
441698 ncm-dbt-02 584117 500 203 51 246 +109.07 ± 12.7 0 4 92 152 2 +240.82 ± 35.35
441697 ncm-dbt-05 579826 500 209 43 248 +119.89 ± 13.33 0 7 73 167 3 +270.57 ± 40.25
441696 ncm-dbt-03 584453 500 223 60 217 +117.55 ± 13.7 0 5 84 154 7 +254.16 ± 37.27
441695 ncm-dbt-01 583154 500 225 55 220 +123.02 ± 12.37 0 1 82 163 4 +277.93 ± 37.36
441694 ncm-dbt-02 585000 500 214 46 240 +121.45 ± 12.77 0 4 77 166 3 +275.45 ± 39.01
441693 ncm-dbt-04 569071 500 218 61 221 +112.91 ± 12.69 0 4 87 157 2 +251.89 ± 36.48
441692 ncm-dbt-05 579537 500 213 53 234 +115.22 ± 12.85 0 4 85 158 3 +256.44 ± 36.95
441691 ncm-dbt-03 585590 500 206 48 246 +113.68 ± 13.21 0 8 77 164 1 +256.44 ± 39.15
441690 ncm-dbt-01 582736 500 219 53 228 +119.89 ± 13.16 0 5 78 163 4 +268.17 ± 38.8
441689 ncm-dbt-02 585379 500 217 57 226 +115.22 ± 14.69 0 8 84 148 10 +240.82 ± 37.4
441688 ncm-dbt-05 577110 500 201 46 253 +111.37 ± 12.69 0 3 92 152 3 +245.2 ± 35.25
441687 ncm-dbt-04 564644 500 215 49 236 +119.89 ± 14.19 2 4 75 164 5 +270.57 ± 39.67
441686 ncm-dbt-03 587919 500 218 46 236 +124.6 ± 12.33 0 3 74 171 2 +288.06 ± 39.79
441685 ncm-dbt-01 579289 500 221 56 223 +119.11 ± 12.24 0 2 83 163 2 +270.57 ± 37.24
441684 ncm-dbt-04 566533 500 206 58 236 +106.01 ± 13.05 0 7 89 153 1 +234.38 ± 36.22
441683 ncm-dbt-02 589027 500 208 53 239 +111.37 ± 13.22 0 4 92 149 5 +240.82 ± 35.35
441682 ncm-dbt-05 582861 500 208 53 239 +111.37 ± 12.87 0 4 90 153 3 +245.2 ± 35.79
441681 ncm-dbt-03 585928 500 208 59 233 +106.77 ± 13.39 0 9 84 156 1 +236.51 ± 37.42
441680 ncm-dbt-01 583363 500 220 58 222 +116.77 ± 13.54 0 6 81 158 5 +256.44 ± 38.07
441679 ncm-dbt-02 586985 500 218 53 229 +119.11 ± 13.34 0 7 74 166 3 +268.17 ± 39.97
441678 ncm-dbt-04 567047 500 216 51 233 +119.11 ± 12.24 0 2 83 163 2 +270.57 ± 37.24
441677 ncm-dbt-03 586139 500 210 60 230 +107.54 ± 14.37 0 12 80 154 4 +232.26 ± 38.36
441676 ncm-dbt-05 582193 500 208 50 242 +113.68 ± 12.68 0 5 83 161 1 +256.44 ± 37.51
441675 ncm-dbt-01 579042 500 209 53 238 +112.14 ± 13.39 0 7 83 157 3 +247.41 ± 37.61
441674 ncm-dbt-02 584453 500 219 56 225 +117.55 ± 12.64 0 6 75 169 0 +270.57 ± 39.67
441673 ncm-dbt-04 569031 500 218 41 241 +128.55 ± 13.38 0 5 69 170 6 +290.66 ± 41.43
441672 ncm-dbt-03 586477 500 213 41 246 +124.6 ± 13.45 0 6 71 168 5 +280.42 ± 40.83
441671 ncm-dbt-05 592979 500 218 59 223 +114.45 ± 13.03 0 7 78 164 1 +258.75 ± 38.88
441670 ncm-dbt-01 582277 500 205 58 237 +105.25 ± 12.88 0 5 95 148 2 +230.16 ± 34.79

Commit

Commit ID 84148586e53f4bd4f3177a98c7f201f63245fd99
Author mstembera
Date 2025-11-13 21:21:35 UTC
Fix MSVC compile broken after Shared Memory patch. closes https://github.com/official-stockfish/Stockfish/pull/6397 No functional change
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