Dev Builds » 20231023-1839

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 06:55:34 582803 4012 1386 657 1969 +63.84 ± 5.08 3 168 942 883 10 +130.91 ± 11.06
ncm-dbt-02 06:53:53 585877 4000 1397 672 1931 +63.68 ± 5.04 4 154 968 861 13 +130.15 ± 10.88
ncm-dbt-03 06:55:06 583958 3994 1389 675 1930 +62.79 ± 4.91 2 143 1001 841 10 +128.37 ± 10.65
ncm-dbt-04 06:55:38 567632 4012 1399 644 1969 +66.17 ± 5.05 1 161 939 892 13 +135.11 ± 11.08
ncm-dbt-05 06:55:04 578677 3982 1357 690 1935 +58.75 ± 5.1 1 192 941 853 4 +120.48 ± 11.08
20000 6928 3338 9734 +63.05 ± 2.25 11 818 4791 4330 50 +128.99 ± 4.9

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
422266 ncm-dbt-01 581153 12 5 3 4 +58.43 ± 110.55 0 1 2 3 0 +120.41 ± 334.55
422265 ncm-dbt-04 561253 12 6 3 3 +88.66 ± 75.75 0 0 3 3 0 +190.73 ± 238.47
422264 ncm-dbt-03 582027 494 172 93 229 +56.04 ± 14.56 1 21 125 98 2 +113.6 ± 30.32
422263 ncm-dbt-05 573002 482 162 84 236 +56.72 ± 14.28 0 22 119 100 0 +116.64 ± 31.15
422262 ncm-dbt-02 586858 500 173 86 241 +61.08 ± 15.18 1 24 115 107 3 +123.02 ± 31.84
422261 ncm-dbt-04 570148 500 166 72 262 +66.1 ± 14.59 0 23 111 115 1 +135.76 ± 32.43
422260 ncm-dbt-01 581735 500 173 90 237 +58.21 ± 14.93 1 24 118 105 2 +118.33 ± 31.4
422259 ncm-dbt-03 583740 500 170 90 240 +56.07 ± 14.15 0 23 125 101 1 +113.68 ± 30.37
422258 ncm-dbt-05 583992 500 174 90 236 +58.93 ± 14.42 0 24 119 106 1 +119.89 ± 31.25
422257 ncm-dbt-02 585843 500 175 91 234 +58.93 ± 13.58 1 16 131 102 0 +123.02 ± 29.33
422256 ncm-dbt-04 568156 500 179 79 242 +70.44 ± 13.62 0 16 118 116 0 +147.19 ± 31.23
422255 ncm-dbt-01 584832 500 170 71 259 +69.71 ± 14.59 1 19 111 118 1 +145.54 ± 32.41
422254 ncm-dbt-03 583614 500 179 81 240 +68.99 ± 14.0 0 17 120 111 2 +140.62 ± 30.95
422253 ncm-dbt-05 576782 500 173 86 241 +61.07 ± 14.79 0 26 112 111 1 +124.6 ± 32.29
422252 ncm-dbt-02 583782 500 174 86 240 +61.79 ± 15.08 1 24 113 110 2 +126.18 ± 32.14
422251 ncm-dbt-04 565351 500 174 72 254 +71.88 ± 14.67 0 21 108 119 2 +147.19 ± 32.89
422250 ncm-dbt-01 581818 500 161 83 256 +54.64 ± 15.02 0 27 122 97 4 +106.01 ± 30.85
422249 ncm-dbt-03 585337 500 182 83 235 +69.71 ± 13.88 0 18 115 117 0 +145.54 ± 31.75
422248 ncm-dbt-05 576987 500 172 82 246 +63.23 ± 14.2 0 21 119 109 1 +129.35 ± 31.2
422247 ncm-dbt-02 587494 500 175 77 248 +68.99 ± 14.56 0 20 115 112 3 +138.99 ± 31.79
422246 ncm-dbt-04 568673 500 180 73 247 +75.52 ± 14.08 0 17 110 122 1 +157.24 ± 32.52
422245 ncm-dbt-01 582903 500 175 89 236 +60.36 ± 14.21 0 22 121 106 1 +123.02 ± 30.92
422244 ncm-dbt-03 585548 500 170 80 250 +63.23 ± 13.33 1 13 131 105 0 +132.54 ± 29.19
422243 ncm-dbt-05 577930 500 171 80 249 +63.95 ± 14.5 0 24 111 115 0 +132.54 ± 32.44
422242 ncm-dbt-02 583614 500 171 88 241 +58.21 ± 13.97 1 18 129 101 1 +119.89 ± 29.69
422241 ncm-dbt-04 569629 500 184 85 231 +69.71 ± 14.45 0 18 119 109 4 +138.99 ± 31.13
422240 ncm-dbt-01 584201 500 181 80 239 +71.16 ± 13.34 0 14 121 115 0 +148.85 ± 30.69
422239 ncm-dbt-05 577438 500 175 88 237 +61.07 ± 14.24 0 22 120 107 1 +124.6 ± 31.07
422238 ncm-dbt-03 585759 500 173 82 245 +63.94 ± 13.94 0 17 128 102 3 +127.76 ± 29.76
422237 ncm-dbt-02 586139 500 186 88 226 +68.99 ± 14.14 0 17 121 109 3 +138.99 ± 30.8
422236 ncm-dbt-04 571029 500 159 86 255 +51.09 ± 14.85 1 28 118 103 0 +106.01 ± 31.43
422235 ncm-dbt-01 583447 500 175 79 246 +67.55 ± 14.92 1 21 111 115 2 +138.99 ± 32.43
422234 ncm-dbt-03 581902 500 176 79 245 +68.27 ± 13.24 0 13 128 108 1 +140.62 ± 29.58
422233 ncm-dbt-05 578753 500 169 76 255 +65.38 ± 14.0 0 20 117 113 0 +135.76 ± 31.48
422232 ncm-dbt-02 586308 500 165 72 263 +65.38 ± 13.86 0 18 122 109 1 +134.15 ± 30.68
422231 ncm-dbt-04 566691 500 163 83 254 +56.07 ± 14.83 0 25 124 97 4 +109.07 ± 30.54
422230 ncm-dbt-01 582068 500 176 82 242 +66.1 ± 13.45 0 16 124 110 0 +137.37 ± 30.31
422229 ncm-dbt-03 583740 500 167 87 246 +56.07 ± 13.87 0 21 129 99 1 +113.68 ± 29.75
422228 ncm-dbt-05 584537 500 161 104 235 +39.78 ± 14.87 1 33 124 92 0 +82.1 ± 30.63
422227 ncm-dbt-02 586985 500 178 84 238 +66.1 ± 13.6 0 17 122 111 0 +137.37 ± 30.65
422226 ncm-dbt-01 583070 500 170 80 250 +63.23 ± 14.47 0 24 112 114 0 +130.94 ± 32.29
422225 ncm-dbt-04 567759 500 188 91 221 +68.27 ± 13.24 0 13 128 108 1 +140.62 ± 29.58

Commit

Commit ID b1876222335df6581777baadc68fb5b17e5fe656
Author Disservin
Date 2023-10-23 18:39:48 UTC
use expanded variables for shell commands Performance improvement for the shell commands in the Makefile. By using expanded variables, the shell commands are only evaluated once, instead of every time they are used. closes https://github.com/official-stockfish/Stockfish/pull/4838 No functional change
Copyright 2011–2025 Next Chess Move LLC