Dev Builds » 20251113-2131

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 06:44:31 581360 4000 1735 436 1829 +117.07 ± 4.59 0 41 641 1296 22 +262.54 ± 13.42
ncm-dbt-02 06:46:06 585212 4012 1709 395 1908 +118.14 ± 4.63 0 41 639 1297 29 +263.76 ± 13.44
ncm-dbt-03 06:46:04 584627 4004 1691 448 1865 +111.54 ± 4.67 0 52 675 1255 20 +246.8 ± 13.08
ncm-dbt-04 06:45:55 566887 3984 1687 412 1885 +115.24 ± 4.71 0 47 653 1262 30 +254.73 ± 13.3
ncm-dbt-05 06:44:37 584586 4000 1695 419 1886 +114.84 ± 4.58 1 37 668 1273 21 +256.44 ± 13.12
20000 8517 2110 9373 +115.36 ± 2.07 1 218 3276 6383 122 +256.79 ± 5.93

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
441625 ncm-dbt-03 582318 4 1 0 3 +88.51 ± 137.63 0 0 1 1 0 +190.5 ± 634.21
441623 ncm-dbt-02 584495 12 5 2 5 +88.66 ± 75.75 0 0 3 3 0 +190.73 ± 238.47
441622 ncm-dbt-04 569230 484 204 46 234 +117.72 ± 12.88 0 3 81 155 3 +263.71 ± 37.82
441621 ncm-dbt-03 584117 500 207 61 232 +104.49 ± 13.39 0 8 90 150 2 +228.08 ± 36.04
441620 ncm-dbt-01 582652 500 221 59 220 +116.77 ± 13.71 0 7 79 159 5 +256.44 ± 38.62
441619 ncm-dbt-02 586012 500 206 51 243 +111.37 ± 13.39 0 4 93 147 6 +238.66 ± 35.13
441618 ncm-dbt-05 583405 500 206 52 242 +110.6 ± 12.34 0 4 88 158 0 +249.64 ± 36.24
441617 ncm-dbt-04 565469 500 220 58 222 +116.77 ± 13.36 0 6 80 160 4 +258.75 ± 38.32
441616 ncm-dbt-01 582402 500 215 51 234 +118.33 ± 12.26 0 3 81 165 1 +270.57 ± 37.86
441615 ncm-dbt-03 585632 500 208 52 240 +112.14 ± 12.51 0 4 87 158 1 +251.89 ± 36.48
441614 ncm-dbt-02 586520 500 225 55 220 +123.02 ± 12.93 0 4 76 166 4 +277.93 ± 39.29
441613 ncm-dbt-05 583572 500 221 42 237 +130.14 ± 12.19 0 1 73 172 4 +301.33 ± 39.86
441612 ncm-dbt-04 566454 500 216 56 228 +115.22 ± 13.38 0 7 79 161 3 +256.44 ± 38.62
441611 ncm-dbt-01 580987 500 229 66 205 +117.55 ± 13.7 0 8 75 163 4 +261.07 ± 39.69
441610 ncm-dbt-03 583698 500 213 65 222 +106.01 ± 13.39 0 8 88 152 2 +232.26 ± 36.48
441609 ncm-dbt-02 584034 500 209 43 248 +119.89 ± 13.85 0 8 73 164 5 +265.78 ± 40.25
441608 ncm-dbt-05 580738 500 206 59 235 +105.25 ± 13.22 0 5 97 144 4 +226.0 ± 34.38
441607 ncm-dbt-04 567680 500 200 50 250 +107.54 ± 14.37 0 11 83 151 5 +230.16 ± 37.67
441606 ncm-dbt-01 581444 500 219 59 222 +115.22 ± 12.67 0 5 81 163 1 +261.07 ± 38.02
441605 ncm-dbt-03 586139 500 212 64 224 +106.01 ± 13.39 0 7 91 149 3 +230.16 ± 35.78
441604 ncm-dbt-02 581070 500 223 50 227 +125.38 ± 13.07 0 3 77 164 6 +280.42 ± 38.93
441603 ncm-dbt-05 581070 500 210 65 225 +103.73 ± 13.22 0 6 96 145 3 +223.94 ± 34.66
441602 ncm-dbt-04 567799 500 204 44 252 +115.22 ± 13.88 0 9 76 161 4 +254.16 ± 39.42
441601 ncm-dbt-01 577192 500 211 56 233 +111.37 ± 12.33 0 3 90 156 1 +249.64 ± 35.69
441600 ncm-dbt-03 581236 500 208 50 242 +113.68 ± 13.21 0 7 80 161 2 +254.16 ± 38.36
441599 ncm-dbt-02 584327 500 211 42 247 +122.24 ± 13.12 0 6 72 169 3 +277.93 ± 40.53
441598 ncm-dbt-05 580033 500 210 41 249 +122.24 ± 12.38 0 1 83 162 4 +275.45 ± 37.11
441597 ncm-dbt-04 567244 500 221 57 222 +118.33 ± 12.81 0 3 84 159 4 +263.42 ± 37.11
441596 ncm-dbt-01 581652 500 218 53 229 +119.11 ± 13.17 0 5 79 162 4 +265.78 ± 38.54
441595 ncm-dbt-03 584285 500 225 63 212 +116.77 ± 13.19 0 4 85 156 5 +256.44 ± 36.95
441594 ncm-dbt-02 585674 500 209 53 238 +112.14 ± 12.69 0 6 82 162 0 +254.16 ± 37.82
441593 ncm-dbt-05 581652 500 213 53 234 +115.22 ± 12.85 0 6 79 164 1 +261.07 ± 38.58
441592 ncm-dbt-01 581444 500 210 43 247 +120.67 ± 13.15 0 6 74 167 3 +273.0 ± 39.95
441591 ncm-dbt-04 563587 500 211 59 230 +109.07 ± 13.05 0 4 94 148 4 +236.51 ± 34.92
441590 ncm-dbt-02 587325 500 206 50 244 +112.14 ± 13.04 0 6 84 158 2 +249.64 ± 37.33
441589 ncm-dbt-03 586985 500 208 47 245 +116.0 ± 13.54 0 8 76 163 3 +258.75 ± 39.42
441588 ncm-dbt-05 580696 500 214 49 237 +119.11 ± 13.17 0 5 79 162 4 +265.78 ± 38.54
441587 ncm-dbt-04 567640 500 211 42 247 +122.24 ± 12.76 0 4 76 167 3 +277.93 ± 39.29
441586 ncm-dbt-01 583112 500 212 49 239 +117.55 ± 12.82 0 4 82 161 3 +263.42 ± 37.69
441585 ncm-dbt-03 587240 500 209 46 245 +117.55 ± 13.0 0 6 77 165 2 +265.78 ± 39.12
441584 ncm-dbt-02 587452 500 215 49 236 +119.89 ± 12.79 0 4 79 164 3 +270.57 ± 38.47
441583 ncm-dbt-05 605523 500 215 58 227 +112.91 ± 13.89 1 9 73 166 1 +256.44 ± 40.21

Commit

Commit ID 8551f86efce1d55c3cf5bb639247212a3c290bdf
Author Daniel Monroe
Date 2025-11-13 21:31:02 UTC
Remove check term in capture movepick Passed simplification STC LLR: 2.96 (-2.94,2.94) <-1.75,0.25> Total: 248448 W: 64697 L: 64708 D: 119043 Ptnml(0-2): 784, 29393, 63971, 29202, 874 https://tests.stockfishchess.org/tests/view/68fc7afb637acd2a11e72d86 Passed simplification LTC LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 193626 W: 49808 L: 49764 D: 94054 Ptnml(0-2): 162, 21415, 53621, 21447, 168 https://tests.stockfishchess.org/tests/view/6901ad09637acd2a11e73828 closes https://github.com/official-stockfish/Stockfish/pull/6395 bench 2920273
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