Dev Builds » 20231021-0826

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 06:54:34 583759 4000 1380 683 1937 +61.16 ± 5.06 5 167 960 862 6 +126.18 ± 10.95
ncm-dbt-02 06:53:04 585766 4000 1439 647 1914 +69.71 ± 5.01 3 139 934 911 13 +143.48 ± 11.09
ncm-dbt-03 06:55:10 584492 4014 1426 667 1921 +66.5 ± 5.07 4 152 947 889 15 +136.04 ± 11.02
ncm-dbt-04 06:54:08 570580 4000 1356 694 1950 +58.03 ± 5.17 3 194 952 840 11 +117.94 ± 11.02
ncm-dbt-05 06:55:39 584704 3986 1355 709 1922 +56.81 ± 4.98 0 176 1003 806 8 +115.27 ± 10.68
20000 6956 3400 9644 +62.44 ± 2.26 15 828 4796 4308 53 +127.68 ± 4.89

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
407856 ncm-dbt-03 584579 14 6 2 6 +102.04 ± 70.73 0 0 3 4 0 +225.59 ± 263.0
407855 ncm-dbt-05 582945 486 174 77 235 +70.29 ± 13.87 0 15 117 110 1 +145.15 ± 31.29
407854 ncm-dbt-01 585421 500 181 80 239 +71.16 ± 14.22 2 12 121 113 2 +148.85 ± 30.69
407853 ncm-dbt-04 569949 500 164 88 248 +53.22 ± 14.15 0 24 127 98 1 +107.54 ± 30.1
407852 ncm-dbt-02 587367 500 174 72 254 +71.88 ± 13.96 0 17 115 117 1 +148.85 ± 31.72
407851 ncm-dbt-03 582987 500 175 84 241 +63.95 ± 14.5 2 17 120 110 1 +134.15 ± 31.01
407850 ncm-dbt-05 586223 500 172 94 234 +54.64 ± 13.66 0 20 133 96 1 +110.6 ± 29.15
407849 ncm-dbt-02 583196 500 185 96 219 +62.51 ± 14.03 1 17 125 106 1 +129.35 ± 30.24
407848 ncm-dbt-01 581902 500 176 102 222 +51.8 ± 14.49 1 24 126 98 1 +106.01 ± 30.26
407847 ncm-dbt-04 569509 500 163 90 247 +51.09 ± 15.23 1 30 115 103 1 +104.49 ± 31.86
407846 ncm-dbt-03 585421 500 179 70 251 +76.97 ± 13.98 0 16 110 123 1 +160.64 ± 32.5
407845 ncm-dbt-05 585464 500 169 96 235 +51.09 ± 14.04 0 24 130 95 1 +102.97 ± 29.68
407844 ncm-dbt-02 586520 500 182 88 230 +66.1 ± 14.17 1 16 123 108 2 +135.76 ± 30.5
407843 ncm-dbt-01 583572 500 186 85 229 +71.16 ± 13.93 0 17 116 116 1 +147.19 ± 31.57
407842 ncm-dbt-04 569190 500 179 87 234 +64.66 ± 14.12 0 20 119 110 1 +132.54 ± 31.18
407841 ncm-dbt-03 585464 500 168 81 251 +61.07 ± 14.24 0 22 120 107 1 +124.6 ± 31.07
407840 ncm-dbt-02 585632 500 180 69 251 +78.43 ± 14.02 0 15 111 122 2 +162.35 ± 32.31
407839 ncm-dbt-05 586012 500 175 97 228 +54.64 ± 13.8 0 21 131 97 1 +110.6 ± 29.47
407838 ncm-dbt-01 581527 500 180 82 238 +68.99 ± 14.28 0 20 113 116 1 +142.26 ± 32.1
407837 ncm-dbt-04 570228 500 178 89 233 +62.51 ± 14.72 0 22 121 103 4 +123.02 ± 30.92
407836 ncm-dbt-03 582527 500 187 91 222 +67.54 ± 14.65 0 20 118 108 4 +134.15 ± 31.33
407835 ncm-dbt-02 586985 500 173 82 245 +63.94 ± 14.64 0 22 118 107 3 +127.76 ± 31.37
407834 ncm-dbt-05 587028 500 170 85 245 +59.64 ± 13.17 0 15 136 98 1 +121.46 ± 28.52
407833 ncm-dbt-01 585548 500 163 89 248 +51.8 ± 15.4 1 32 109 108 0 +107.54 ± 32.71
407832 ncm-dbt-03 583782 500 178 79 243 +69.71 ± 13.88 0 17 118 114 1 +143.89 ± 31.26
407831 ncm-dbt-04 571712 500 163 87 250 +53.22 ± 14.42 2 20 129 98 1 +110.6 ± 29.78
407830 ncm-dbt-02 585421 500 191 84 225 +75.52 ± 13.49 0 13 118 118 1 +157.24 ± 31.11
407829 ncm-dbt-01 583237 500 164 93 243 +49.67 ± 14.1 1 23 130 96 0 +102.97 ± 29.68
407828 ncm-dbt-05 583154 500 166 95 239 +49.67 ± 14.64 0 29 122 98 1 +99.95 ± 30.87
407827 ncm-dbt-04 572235 500 176 90 234 +60.36 ± 14.89 0 27 111 111 1 +123.02 ± 32.44
407826 ncm-dbt-03 585464 500 171 88 241 +58.21 ± 15.7 2 24 118 101 5 +115.23 ± 31.41
407825 ncm-dbt-02 585211 500 180 81 239 +69.71 ± 13.74 0 17 117 116 0 +145.54 ± 31.41
407824 ncm-dbt-05 584327 500 169 71 260 +68.99 ± 14.28 0 21 110 119 0 +143.89 ± 32.58
407823 ncm-dbt-03 585590 500 184 86 230 +68.99 ± 13.26 0 14 124 112 0 +143.89 ± 30.23
407822 ncm-dbt-04 571230 500 159 84 257 +52.51 ± 13.84 0 23 129 98 0 +107.54 ± 29.8
407821 ncm-dbt-01 583405 500 167 69 264 +68.99 ± 13.26 0 14 124 112 0 +143.89 ± 30.23
407820 ncm-dbt-02 585801 500 174 75 251 +69.71 ± 15.26 1 22 107 117 3 +142.26 ± 33.06
407819 ncm-dbt-04 570589 500 174 79 247 +66.82 ± 15.42 0 28 101 119 2 +135.76 ± 33.97
407818 ncm-dbt-01 585464 500 163 83 254 +56.07 ± 14.43 0 25 121 103 1 +113.68 ± 30.97
407817 ncm-dbt-05 582485 500 160 94 246 +46.13 ± 14.85 0 31 124 93 2 +90.97 ± 30.61
407816 ncm-dbt-03 584622 500 178 86 236 +64.66 ± 14.53 0 22 116 110 2 +130.94 ± 31.66

Commit

Commit ID 057046cc9a114e38d9f616fa58cf230e9b15b9a7
Author Shahin M. Shahin
Date 2023-10-21 08:26:09 UTC
Cleanup qsearch continuation histories Only (ss-1) and (ss-2) are used in qsearch. closes https://github.com/official-stockfish/Stockfish/pull/4828 No functional change
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