Dev Builds » 20231105-1851

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 07:02:31 583978 4002 1424 699 1879 +63.64 ± 5.13 3 175 927 886 10 +130.47 ± 11.17
ncm-dbt-02 07:02:42 587199 4000 1428 685 1887 +65.29 ± 5.1 4 155 952 872 17 +132.94 ± 10.99
ncm-dbt-03 07:02:29 586976 3998 1361 679 1958 +59.85 ± 5.07 6 164 982 836 11 +122.5 ± 10.8
ncm-dbt-04 07:01:08 570202 4000 1374 694 1932 +59.64 ± 5.16 2 191 944 851 12 +121.06 ± 11.06
ncm-dbt-05 07:03:00 583832 4000 1354 704 1942 +56.96 ± 5.1 2 191 971 827 9 +115.81 ± 10.89
20000 6941 3461 9598 +61.08 ± 2.29 17 876 4776 4272 59 +124.52 ± 4.91

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
403026 ncm-dbt-01 581236 2 0 0 2 0.0 ± 34.02 0 0 1 0 0 0.0 ± 30.47
403025 ncm-dbt-03 587579 498 181 85 232 +67.82 ± 14.7 1 19 114 113 2 +139.62 ± 31.94
403024 ncm-dbt-05 582527 500 174 92 234 +57.5 ± 14.76 1 25 115 109 0 +119.89 ± 31.85
403023 ncm-dbt-02 588856 500 181 84 235 +68.27 ± 14.67 1 19 114 114 2 +140.62 ± 31.94
403022 ncm-dbt-04 571551 500 174 94 232 +56.07 ± 14.56 0 24 125 98 3 +110.6 ± 30.39
403021 ncm-dbt-01 584369 500 187 87 226 +70.43 ± 14.05 0 18 115 116 1 +145.54 ± 31.75
403020 ncm-dbt-03 587409 500 172 103 225 +48.26 ± 14.57 1 27 124 98 0 +99.95 ± 30.58
403019 ncm-dbt-05 587409 500 165 81 254 +58.93 ± 14.69 0 26 115 108 1 +119.89 ± 31.85
403018 ncm-dbt-02 588387 500 185 96 219 +62.51 ± 14.31 0 20 124 103 3 +124.6 ± 30.44
403017 ncm-dbt-04 570029 500 175 75 250 +70.43 ± 13.91 0 16 120 112 2 +143.89 ± 30.92
403016 ncm-dbt-01 581277 500 171 93 236 +54.65 ± 15.66 1 33 103 113 0 +113.68 ± 33.56
403015 ncm-dbt-03 586012 500 171 94 235 +53.93 ± 14.46 2 19 131 96 2 +110.6 ± 29.47
403014 ncm-dbt-05 586266 500 160 94 246 +46.13 ± 14.05 0 25 136 87 2 +90.97 ± 28.88
403013 ncm-dbt-02 585759 500 168 105 227 +44.01 ± 14.33 2 22 139 85 2 +89.48 ± 28.44
403012 ncm-dbt-04 567680 500 166 95 239 +49.67 ± 14.64 0 30 119 101 0 +101.46 ± 31.3
403011 ncm-dbt-01 583950 500 161 86 253 +52.51 ± 14.52 0 27 122 100 1 +106.01 ± 30.85
403010 ncm-dbt-03 586901 500 172 66 262 +74.79 ± 14.49 1 17 108 123 1 +157.24 ± 32.87
403009 ncm-dbt-05 581111 500 165 80 255 +59.64 ± 14.04 0 21 124 104 1 +121.46 ± 30.47
403008 ncm-dbt-04 570108 500 167 85 248 +57.5 ± 14.76 0 27 115 107 1 +116.78 ± 31.85
403007 ncm-dbt-01 585506 500 187 87 226 +70.43 ± 13.76 0 16 119 114 1 +145.54 ± 31.07
403006 ncm-dbt-02 585801 500 188 72 240 +82.1 ± 13.98 0 12 114 120 4 +167.53 ± 31.71
403005 ncm-dbt-03 588345 500 165 66 269 +69.71 ± 13.59 1 11 128 108 2 +143.89 ± 29.53
403004 ncm-dbt-05 584453 500 163 89 248 +51.8 ± 14.35 0 27 122 101 0 +106.01 ± 30.85
403003 ncm-dbt-01 583698 500 183 87 230 +67.54 ± 14.23 0 19 118 111 2 +137.37 ± 31.31
403002 ncm-dbt-04 569829 500 184 86 230 +68.99 ± 14.97 0 24 106 118 2 +140.62 ± 33.22
403001 ncm-dbt-02 586308 500 165 82 253 +58.21 ± 14.25 0 24 119 107 0 +119.89 ± 31.25
403000 ncm-dbt-03 585169 500 178 92 230 +60.36 ± 14.07 0 20 126 102 2 +121.46 ± 30.15
402999 ncm-dbt-05 580572 500 183 96 221 +61.07 ± 14.65 0 24 117 107 2 +123.02 ± 31.54
402998 ncm-dbt-01 585590 500 179 89 232 +63.23 ± 15.27 0 27 109 111 3 +126.18 ± 32.74
402997 ncm-dbt-04 568951 500 161 86 253 +52.51 ± 14.79 2 24 121 103 0 +110.6 ± 30.98
402996 ncm-dbt-02 587113 500 193 78 229 +81.37 ± 13.81 1 12 108 129 0 +174.55 ± 32.75
402995 ncm-dbt-03 587197 500 152 81 267 +49.67 ± 14.38 0 26 129 93 2 +98.44 ± 29.86
402994 ncm-dbt-01 581028 500 182 90 228 +64.66 ± 14.94 2 19 116 111 2 +134.15 ± 31.65
402993 ncm-dbt-04 570469 500 173 84 243 +62.51 ± 14.17 0 21 120 108 1 +127.76 ± 31.05
402992 ncm-dbt-05 583112 500 168 87 245 +56.78 ± 14.86 0 26 120 101 3 +112.14 ± 31.13
402991 ncm-dbt-02 588174 500 172 89 239 +58.21 ± 15.57 0 30 111 105 4 +113.68 ± 32.44
402990 ncm-dbt-03 587197 500 170 92 238 +54.65 ± 14.22 0 25 122 103 0 +112.14 ± 30.83
402989 ncm-dbt-01 589155 500 174 80 246 +66.1 ± 13.45 0 16 124 110 0 +137.37 ± 30.31
402988 ncm-dbt-04 573002 500 174 89 237 +59.64 ± 14.86 0 25 118 104 3 +118.33 ± 31.4
402987 ncm-dbt-05 585211 500 176 85 239 +63.95 ± 13.94 1 17 122 110 0 +134.15 ± 30.68
402986 ncm-dbt-02 587197 500 176 79 245 +68.27 ± 13.83 0 16 123 109 2 +138.99 ± 30.46

Commit

Commit ID 791419aab529e714271ebc03d1d84ad4e7e9879a
Author Shahin M. Shahin
Date 2023-11-05 18:51:02 UTC
Enhance some comments This documents some code and makes some hard code easier to understand for new developers. closes https://github.com/official-stockfish/Stockfish/pull/4862 No functional change
Copyright 2011–2025 Next Chess Move LLC