Dev Builds » 20231107-0723

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 07:01:26 582985 4000 1411 669 1920 +65.2 ± 5.11 1 171 925 891 12 +133.14 ± 11.17
ncm-dbt-02 07:02:03 585502 4014 1443 676 1895 +67.21 ± 5.06 0 159 939 892 17 +136.44 ± 11.07
ncm-dbt-03 07:00:59 583785 4000 1435 673 1892 +67.01 ± 5.15 3 173 890 927 7 +138.59 ± 11.41
ncm-dbt-04 07:00:45 569609 4000 1418 637 1945 +68.72 ± 5.05 1 152 926 907 14 +140.62 ± 11.15
ncm-dbt-05 07:02:50 578650 3986 1414 654 1918 +67.07 ± 5.02 0 157 928 899 9 +137.71 ± 11.14
20000 7121 3309 9570 +67.04 ± 2.27 5 812 4608 4516 59 +137.29 ± 5.0

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
421830 ncm-dbt-02 584243 14 6 1 7 +129.72 ± 68.06 0 0 2 5 0 +311.09 ± 530.6
421829 ncm-dbt-05 579372 486 172 73 241 +71.78 ± 14.08 0 17 110 116 0 +150.27 ± 32.49
421828 ncm-dbt-01 579578 500 185 102 213 +58.21 ± 14.66 0 26 116 107 1 +118.33 ± 31.7
421827 ncm-dbt-04 570749 500 177 82 241 +66.82 ± 13.92 0 19 117 114 0 +138.99 ± 31.46
421826 ncm-dbt-03 583489 500 185 88 227 +68.27 ± 14.54 1 20 110 119 0 +143.89 ± 32.58
421825 ncm-dbt-02 586012 500 190 90 220 +70.43 ± 14.89 0 20 115 110 5 +138.99 ± 31.79
421824 ncm-dbt-05 578177 500 171 80 249 +63.95 ± 13.21 0 15 129 106 0 +132.54 ± 29.53
421823 ncm-dbt-01 582736 500 183 82 235 +71.16 ± 13.93 0 17 116 116 1 +147.19 ± 31.57
421822 ncm-dbt-03 582068 500 189 85 226 +73.34 ± 13.27 0 13 120 117 0 +153.86 ± 30.8
421821 ncm-dbt-04 569949 500 188 76 236 +79.17 ± 14.76 0 18 106 122 4 +160.64 ± 33.2
421820 ncm-dbt-02 585253 500 174 76 250 +68.99 ± 15.11 0 25 104 119 2 +140.62 ± 33.53
421819 ncm-dbt-05 577766 500 191 84 225 +75.52 ± 14.08 0 16 113 119 2 +155.54 ± 32.01
421818 ncm-dbt-04 567244 500 170 78 252 +64.66 ± 14.26 0 18 126 102 4 +127.76 ± 30.09
421817 ncm-dbt-01 581569 500 162 80 258 +57.5 ± 14.49 0 25 119 105 1 +116.78 ± 31.26
421816 ncm-dbt-03 584411 500 157 74 269 +58.21 ± 14.93 0 29 109 112 0 +119.89 ± 32.73
421815 ncm-dbt-02 585337 500 178 74 248 +73.33 ± 14.72 0 20 109 118 3 +148.85 ± 32.73
421814 ncm-dbt-05 578136 500 177 82 241 +66.82 ± 14.34 0 21 114 114 1 +137.37 ± 31.96
421813 ncm-dbt-04 567720 500 163 77 260 +60.36 ± 14.49 0 23 120 105 2 +121.46 ± 31.09
421812 ncm-dbt-03 584874 500 183 85 232 +68.99 ± 14.0 0 17 120 111 2 +140.62 ± 30.95
421811 ncm-dbt-01 584622 500 170 82 248 +61.79 ± 14.95 0 26 112 110 2 +124.6 ± 32.29
421810 ncm-dbt-02 587367 500 174 83 243 +63.94 ± 13.94 0 19 122 108 1 +130.94 ± 30.71
421809 ncm-dbt-05 577069 500 174 90 236 +58.93 ± 14.96 0 28 111 110 1 +119.89 ± 32.44
421808 ncm-dbt-04 569669 500 189 92 219 +68.27 ± 15.08 1 22 108 117 2 +140.62 ± 32.9
421807 ncm-dbt-01 584327 500 177 84 239 +65.38 ± 14.83 0 23 114 110 3 +130.94 ± 31.98
421806 ncm-dbt-03 581735 500 174 91 235 +58.21 ± 15.32 1 28 109 111 1 +119.89 ± 32.73
421805 ncm-dbt-02 584706 500 181 84 235 +68.27 ± 12.77 0 10 134 105 1 +140.62 ± 28.51
421804 ncm-dbt-05 582569 500 184 79 237 +74.06 ± 14.18 0 16 116 115 3 +150.51 ± 31.54
421803 ncm-dbt-04 569190 500 173 83 244 +63.23 ± 13.91 0 20 120 110 0 +130.94 ± 31.03
421802 ncm-dbt-01 584159 500 169 67 264 +71.88 ± 13.81 0 16 117 116 1 +148.85 ± 31.38
421801 ncm-dbt-03 584748 500 190 93 217 +68.27 ± 14.54 0 21 113 114 2 +138.99 ± 32.11
421800 ncm-dbt-02 586477 500 182 77 241 +74.06 ± 14.32 0 19 108 122 1 +153.86 ± 32.88
421799 ncm-dbt-01 583866 500 185 80 235 +74.06 ± 14.46 1 18 106 125 0 +157.24 ± 33.21
421798 ncm-dbt-04 573082 500 182 80 238 +71.88 ± 14.25 0 19 111 119 1 +148.85 ± 32.4
421797 ncm-dbt-03 583070 500 181 76 243 +74.06 ± 14.88 1 19 106 122 2 +153.86 ± 33.21
421796 ncm-dbt-05 579083 500 168 74 258 +66.1 ± 14.45 0 23 110 117 0 +137.37 ± 32.59
421795 ncm-dbt-02 585421 500 182 97 221 +59.64 ± 14.59 0 24 119 105 2 +119.89 ± 31.25
421794 ncm-dbt-04 569270 500 176 69 255 +75.52 ± 13.49 0 13 118 118 1 +157.24 ± 31.11
421793 ncm-dbt-02 584706 500 176 94 230 +57.5 ± 14.22 0 22 126 100 2 +115.23 ± 30.2
421792 ncm-dbt-01 583028 500 180 92 228 +61.79 ± 14.27 0 20 125 102 3 +123.02 ± 30.3
421791 ncm-dbt-05 577028 500 177 92 231 +59.64 ± 14.18 0 21 125 102 2 +119.89 ± 30.32
421790 ncm-dbt-03 585885 500 176 81 243 +66.82 ± 14.89 0 26 103 121 0 +138.99 ± 33.68

Commit

Commit ID d0e87104aa782176735442e1f6668f91014f07eb
Author Taras Vuk
Date 2023-11-07 07:23:11 UTC
Remove pawn history from ProbCut constructor use same style as other history tables Passed STC: LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 184672 W: 46953 L: 46896 D: 90823 Ptnml(0-2): 604, 21095, 48887, 21140, 610 https://tests.stockfishchess.org/tests/view/654766b4136acbc573526602 closes https://github.com/official-stockfish/Stockfish/pull/4865 No functional change
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