Dev Builds » 20260318-1949

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 06:40:42 583386 4000 1728 355 1917 +124.3 ± 4.55 0 31 597 1340 32 +282.0 ± 13.9
ncm-dbt-02 06:40:13 586216 4000 1735 397 1868 +120.87 ± 4.56 0 31 630 1309 30 +271.78 ± 13.51
ncm-dbt-03 06:41:05 585264 4016 1753 401 1862 +121.71 ± 4.56 0 37 609 1335 27 +275.37 ± 13.78
ncm-dbt-04 06:40:37 566417 4000 1750 368 1882 +125.19 ± 4.54 0 35 575 1363 27 +286.45 ± 14.19
ncm-dbt-05 06:40:44 580829 3984 1713 372 1899 +121.69 ± 4.54 2 34 595 1343 18 +278.65 ± 13.94
20000 8679 1893 9428 +122.75 ± 2.04 2 168 3006 6690 134 +278.8 ± 6.19

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
460165 ncm-dbt-03 584664 16 7 1 8 +136.89 ± 61.78 0 0 2 6 0 +337.87 ± 515.83
460164 ncm-dbt-05 581402 484 215 44 225 +128.28 ± 13.48 1 4 63 171 3 +300.21 ± 43.44
460163 ncm-dbt-02 587962 500 219 50 231 +122.24 ± 13.3 0 7 70 170 3 +277.93 ± 41.14
460162 ncm-dbt-01 584495 500 223 40 237 +133.34 ± 12.09 0 1 69 176 4 +312.48 ± 41.11
460161 ncm-dbt-04 568593 500 219 54 227 +119.11 ± 12.8 0 5 77 166 2 +270.57 ± 39.07
460160 ncm-dbt-03 584243 500 217 41 242 +127.76 ± 12.84 0 3 73 169 5 +290.66 ± 40.08
460159 ncm-dbt-05 578259 500 222 47 231 +126.97 ± 12.28 0 4 68 177 1 +298.62 ± 41.71
460158 ncm-dbt-02 583950 500 205 44 251 +116.0 ± 12.1 0 2 86 161 1 +263.42 ± 36.51
460157 ncm-dbt-01 580447 500 216 41 243 +126.97 ± 13.04 0 3 75 166 6 +285.49 ± 39.5
460156 ncm-dbt-04 563939 500 220 45 235 +126.97 ± 12.85 0 6 65 177 2 +295.94 ± 42.75
460155 ncm-dbt-03 586604 500 216 52 232 +118.33 ± 13.7 0 9 71 167 3 +265.78 ± 40.81
460154 ncm-dbt-05 577479 500 218 45 237 +125.38 ± 13.43 0 7 67 172 4 +285.49 ± 42.08
460153 ncm-dbt-02 584748 500 220 54 226 +119.89 ± 13.51 0 4 83 156 7 +261.07 ± 37.44
460152 ncm-dbt-01 583614 500 217 46 237 +123.81 ± 12.35 0 2 78 167 3 +282.94 ± 38.55
460151 ncm-dbt-04 567482 500 222 45 233 +128.55 ± 12.63 0 4 68 175 3 +298.62 ± 41.71
460150 ncm-dbt-03 585632 500 210 52 238 +113.68 ± 12.86 0 3 90 153 4 +249.64 ± 35.69
460149 ncm-dbt-05 583656 500 210 56 234 +110.6 ± 12.15 0 1 96 151 2 +245.2 ± 34.14
460148 ncm-dbt-02 588643 500 220 55 225 +119.11 ± 12.05 0 1 85 162 2 +270.57 ± 36.61
460147 ncm-dbt-01 583782 500 216 46 238 +123.02 ± 12.74 0 3 78 165 4 +277.93 ± 38.66
460146 ncm-dbt-04 568077 500 215 45 240 +123.02 ± 13.29 0 6 72 168 4 +277.93 ± 40.53
460145 ncm-dbt-03 583656 500 221 55 224 +119.89 ± 12.79 0 5 76 167 2 +273.0 ± 39.35
460144 ncm-dbt-05 578794 500 203 47 250 +112.14 ± 13.39 1 6 80 162 1 +254.16 ± 38.36
460143 ncm-dbt-01 584159 500 214 51 235 +117.55 ± 13.53 0 7 77 162 4 +261.07 ± 39.14
460142 ncm-dbt-02 585717 500 222 42 236 +130.94 ± 12.95 0 2 73 168 7 +295.94 ± 39.99
460141 ncm-dbt-04 562107 500 220 47 233 +125.38 ± 13.07 0 5 71 170 4 +285.49 ± 40.81
460140 ncm-dbt-03 586308 500 213 56 231 +112.91 ± 13.39 0 6 85 155 4 +247.41 ± 37.09
460139 ncm-dbt-05 581610 500 217 45 238 +124.6 ± 12.53 0 2 78 166 4 +282.94 ± 38.55
460138 ncm-dbt-01 583154 500 214 32 254 +132.54 ± 12.52 0 3 66 177 4 +309.64 ± 42.33
460137 ncm-dbt-02 586477 500 216 50 234 +119.89 ± 13.68 0 7 75 163 5 +265.78 ± 39.69
460136 ncm-dbt-04 566375 500 212 37 251 +126.97 ± 12.85 0 4 71 171 4 +290.66 ± 40.76
460135 ncm-dbt-03 584832 500 233 54 213 +130.14 ± 12.39 0 5 62 182 1 +309.64 ± 43.82
460134 ncm-dbt-05 583740 500 213 42 245 +123.81 ± 12.54 0 3 76 168 3 +282.94 ± 39.21
460133 ncm-dbt-01 583321 500 211 39 250 +124.6 ± 12.71 0 4 73 170 3 +285.49 ± 40.16
460132 ncm-dbt-04 566533 500 218 50 232 +121.45 ± 13.14 0 4 79 162 5 +270.57 ± 38.47
460131 ncm-dbt-02 586689 500 217 58 225 +114.45 ± 12.85 0 4 86 157 3 +254.16 ± 36.71
460130 ncm-dbt-03 586689 500 219 39 242 +130.94 ± 12.95 0 4 67 174 5 +301.33 ± 42.04
460129 ncm-dbt-05 581693 500 215 46 239 +122.24 ± 12.76 0 7 67 176 0 +285.49 ± 42.08
460128 ncm-dbt-02 585548 500 216 44 240 +124.6 ± 12.53 0 4 72 172 2 +288.06 ± 40.46
460127 ncm-dbt-03 584748 500 217 51 232 +119.89 ± 12.42 0 2 83 162 3 +270.57 ± 37.24
460126 ncm-dbt-01 584117 500 217 60 223 +112.91 ± 13.73 0 8 81 157 4 +247.41 ± 38.13
460125 ncm-dbt-04 568236 500 224 45 231 +130.14 ± 11.99 0 1 72 174 3 +304.07 ± 40.16

Commit

Commit ID 415f2ef11c6fe8051dd26be30c69e221a9543886
Author Disservin
Date 2026-03-18 19:49:06 UTC
Don't recompile misc.cpp on every run alternative to https://github.com/official-stockfish/Stockfish/pull/6660 closes https://github.com/official-stockfish/Stockfish/pull/6662 No functional change
Copyright 2011–2026 Next Chess Move LLC