Dev Builds » 20230725-1443

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 06:54:56 583346 4000 1363 700 1937 +58.12 ± 5.15 3 187 969 826 15 +117.36 ± 10.9
ncm-dbt-02 06:54:00 585533 4000 1384 738 1878 +56.61 ± 5.12 7 183 973 831 6 +116.58 ± 10.88
ncm-dbt-03 06:54:24 584991 4000 1395 703 1902 +60.72 ± 5.11 1 181 956 849 13 +123.02 ± 10.98
ncm-dbt-04 06:53:49 570800 4000 1335 713 1952 +54.47 ± 5.16 2 211 956 825 6 +110.98 ± 11.0
ncm-dbt-05 06:53:21 584474 4000 1322 739 1939 +51.0 ± 5.17 3 220 974 797 6 +103.73 ± 10.89
20000 6799 3593 9608 +56.18 ± 2.3 16 982 4828 4128 46 +114.3 ± 4.89

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
408159 ncm-dbt-05 581153 500 172 82 246 +63.23 ± 14.61 0 23 116 109 2 +127.76 ± 31.68
408158 ncm-dbt-01 585928 500 169 73 258 +67.54 ± 14.09 0 17 123 107 3 +135.76 ± 30.5
408157 ncm-dbt-02 585126 500 160 100 240 +41.89 ± 14.61 1 29 130 89 1 +85.04 ± 29.79
408156 ncm-dbt-04 572396 500 178 95 227 +58.21 ± 13.55 0 19 129 102 0 +119.89 ± 29.69
408155 ncm-dbt-03 586604 500 172 89 239 +58.21 ± 14.53 0 24 121 103 2 +116.78 ± 30.96
408154 ncm-dbt-05 586689 500 157 90 253 +46.84 ± 16.25 1 39 104 104 2 +93.95 ± 33.32
408153 ncm-dbt-04 571672 500 166 85 249 +56.78 ± 15.25 0 30 111 107 2 +113.68 ± 32.44
408152 ncm-dbt-01 583112 500 163 69 268 +66.1 ± 13.89 0 19 118 113 0 +137.37 ± 31.31
408151 ncm-dbt-02 586646 500 175 96 229 +55.36 ± 14.39 1 22 125 101 1 +113.68 ± 30.37
408150 ncm-dbt-03 584495 500 173 88 239 +59.64 ± 14.59 0 24 119 105 2 +119.89 ± 31.25
408149 ncm-dbt-05 583154 500 173 90 237 +58.21 ± 14.39 1 22 120 107 0 +121.46 ± 31.09
408148 ncm-dbt-04 569430 500 168 91 241 +53.93 ± 14.73 0 29 115 106 0 +110.6 ± 31.86
408147 ncm-dbt-01 582611 500 175 100 225 +52.51 ± 15.18 0 29 121 96 4 +101.46 ± 31.01
408146 ncm-dbt-03 584117 500 173 86 241 +61.07 ± 13.82 0 17 132 98 3 +121.46 ± 29.18
408145 ncm-dbt-02 586012 500 172 100 228 +50.38 ± 14.41 0 28 122 100 0 +102.97 ± 30.86
408144 ncm-dbt-05 583824 500 158 99 243 +41.19 ± 14.17 1 26 137 85 1 +83.57 ± 28.79
408143 ncm-dbt-04 569589 500 159 84 257 +52.51 ± 14.11 0 25 125 100 0 +107.54 ± 30.4
408142 ncm-dbt-02 583656 500 176 84 240 +64.66 ± 14.39 1 18 121 108 2 +132.54 ± 30.86
408141 ncm-dbt-01 582277 500 166 87 247 +55.36 ± 15.31 2 24 120 101 3 +112.14 ± 31.13
408140 ncm-dbt-03 585506 500 168 95 237 +51.09 ± 14.04 0 25 127 98 0 +104.49 ± 30.12
408139 ncm-dbt-05 579289 500 172 93 235 +55.36 ± 14.39 0 26 119 105 0 +113.68 ± 31.27
408138 ncm-dbt-04 571190 500 162 92 246 +48.96 ± 15.13 1 29 121 97 2 +98.44 ± 31.02
408137 ncm-dbt-02 584495 500 175 90 235 +59.64 ± 14.99 2 21 119 106 2 +123.02 ± 31.23
408136 ncm-dbt-01 582277 500 173 87 240 +60.36 ± 15.15 0 27 113 107 3 +119.89 ± 32.15
408135 ncm-dbt-03 584327 500 180 86 234 +66.1 ± 13.89 0 17 124 107 2 +134.15 ± 30.35
408134 ncm-dbt-05 585674 500 153 94 253 +41.19 ± 14.7 0 33 126 90 1 +82.1 ± 30.36
408133 ncm-dbt-04 569869 500 173 78 249 +66.82 ± 13.92 0 18 120 111 1 +137.37 ± 30.98
408132 ncm-dbt-02 585464 500 177 90 233 +61.08 ± 14.38 1 21 118 110 0 +127.76 ± 31.37
408131 ncm-dbt-01 583321 500 176 96 228 +56.07 ± 14.7 1 24 120 104 1 +115.23 ± 31.11
408130 ncm-dbt-03 583531 500 174 97 229 +53.93 ± 14.86 1 26 119 103 1 +110.6 ± 31.28
408129 ncm-dbt-05 586562 500 167 92 241 +52.51 ± 14.66 0 29 117 104 0 +107.54 ± 31.57
408128 ncm-dbt-04 570869 500 168 100 232 +47.55 ± 15.43 1 34 111 104 0 +98.44 ± 32.41
408127 ncm-dbt-02 586266 500 173 86 241 +61.07 ± 14.1 0 22 119 109 0 +126.18 ± 31.22
408126 ncm-dbt-01 581402 500 166 99 235 +46.84 ± 13.67 0 23 138 88 1 +93.95 ± 28.55
408125 ncm-dbt-03 584916 500 175 82 243 +65.38 ± 14.14 0 21 115 114 0 +135.76 ± 31.8
408124 ncm-dbt-05 589454 500 170 99 231 +49.67 ± 13.54 0 22 135 93 0 +101.46 ± 28.94
408123 ncm-dbt-03 586435 500 180 80 240 +70.43 ± 15.55 0 27 99 121 3 +142.26 ± 34.3
408122 ncm-dbt-01 585843 500 175 89 236 +60.36 ± 14.35 0 24 116 110 0 +124.6 ± 31.69
408121 ncm-dbt-04 571391 500 161 88 251 +51.09 ± 14.45 0 27 124 98 1 +102.97 ± 30.57
408120 ncm-dbt-02 586604 500 176 92 232 +58.93 ± 14.42 1 22 119 108 0 +123.02 ± 31.23

Commit

Commit ID 2667316ffcf1b3396e42be3d5cb6bcbdcc98c216
Author FauziAkram
Date 2023-07-25 14:43:35 UTC
Simplify one multicut extension Simplify away the ttValue <= alpha extension in the multicut block. Passed STC: LLR: 2.93 (-2.94,2.94) <-1.75,0.25> Total: 318336 W: 81307 L: 81398 D: 155631 Ptnml(0-2): 1088, 37291, 82469, 37264, 1056 https://tests.stockfishchess.org/tests/view/64b8589fdc56e1650abad61d Passed LTC: LLR: 2.95 (-2.94,2.94) <-1.75,0.25> Total: 89388 W: 22925 L: 22775 D: 43688 Ptnml(0-2): 34, 9635, 25210, 9777, 38 https://tests.stockfishchess.org/tests/view/64bc41d0dc56e1650abb29cb closes https://github.com/official-stockfish/Stockfish/pull/4709 bench: 1604592
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