Dev Builds » 20231027-1516

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 06:57:32 584939 4000 1362 717 1921 +56.52 ± 5.04 3 181 991 818 7 +115.42 ± 10.76
ncm-dbt-02 06:56:29 586934 4000 1347 718 1935 +55.09 ± 5.08 0 199 981 812 8 +111.56 ± 10.84
ncm-dbt-03 06:56:05 587927 4000 1366 720 1914 +56.61 ± 5.22 3 206 945 834 12 +114.65 ± 11.07
ncm-dbt-04 06:57:48 565999 4002 1365 697 1940 +58.54 ± 5.06 2 176 988 822 13 +118.46 ± 10.77
ncm-dbt-05 06:58:27 583861 3998 1358 683 1957 +59.23 ± 5.15 3 190 943 855 8 +121.13 ± 11.07
20000 6798 3535 9667 +57.2 ± 2.28 11 952 4848 4141 48 +116.23 ± 4.87

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
371622 ncm-dbt-04 567839 2 0 0 2 0.0 ± 34.02 0 0 1 0 0 0.0 ± 30.47
371621 ncm-dbt-05 584874 498 164 79 255 +59.89 ± 14.91 1 25 111 112 0 +125.14 ± 32.44
371620 ncm-dbt-01 585970 500 181 94 225 +61.07 ± 14.65 0 26 111 113 0 +126.18 ± 32.44
371619 ncm-dbt-03 585548 500 176 83 241 +65.38 ± 15.75 1 24 112 107 6 +127.76 ± 32.29
371618 ncm-dbt-02 583279 500 168 71 261 +68.27 ± 14.54 0 22 110 117 1 +140.62 ± 32.58
371617 ncm-dbt-04 565744 500 175 95 230 +56.07 ± 14.15 0 22 128 98 2 +112.14 ± 29.92
371616 ncm-dbt-05 584495 500 173 87 240 +60.36 ± 15.41 1 28 106 114 1 +124.6 ± 33.18
371615 ncm-dbt-03 587494 500 177 85 238 +64.66 ± 13.97 0 20 118 112 0 +134.15 ± 31.33
371614 ncm-dbt-01 586477 500 173 101 226 +50.38 ± 14.81 1 26 125 96 2 +101.46 ± 30.43
371613 ncm-dbt-02 586689 500 164 93 243 +49.67 ± 15.03 0 32 116 101 1 +99.95 ± 31.72
371612 ncm-dbt-04 566138 500 165 80 255 +59.64 ± 14.32 0 22 123 103 2 +119.89 ± 30.63
371611 ncm-dbt-05 582527 500 177 84 239 +65.38 ± 14.56 0 23 112 114 1 +134.15 ± 32.28
371610 ncm-dbt-03 587240 500 160 90 250 +48.96 ± 14.34 1 24 130 94 1 +99.95 ± 29.7
371609 ncm-dbt-01 584495 500 163 93 244 +48.96 ± 15.25 1 29 122 95 3 +96.94 ± 30.88
371608 ncm-dbt-02 585169 500 172 99 229 +51.09 ± 14.58 0 28 122 99 1 +102.97 ± 30.86
371607 ncm-dbt-04 565076 500 161 96 243 +45.42 ± 14.68 0 31 124 94 1 +90.97 ± 30.61
371606 ncm-dbt-05 583070 500 172 90 238 +57.5 ± 14.63 0 25 120 103 2 +115.23 ± 31.11
371605 ncm-dbt-03 589924 500 157 97 246 +41.89 ± 14.21 0 30 130 90 0 +85.04 ± 29.79
371604 ncm-dbt-01 586181 500 166 77 257 +62.51 ± 13.59 0 18 125 107 0 +129.35 ± 30.24
371603 ncm-dbt-02 589924 500 152 97 251 +38.37 ± 13.72 0 28 139 83 0 +77.71 ± 28.54
371602 ncm-dbt-04 565351 500 171 92 237 +55.36 ± 13.84 0 20 133 95 2 +110.6 ± 29.15
371601 ncm-dbt-05 583614 500 160 74 266 +60.36 ± 13.65 0 19 126 105 0 +124.6 ± 30.12
371600 ncm-dbt-03 589326 500 186 87 227 +69.71 ± 14.45 1 18 113 117 1 +145.54 ± 32.08
371599 ncm-dbt-01 584579 500 179 85 236 +66.1 ± 12.84 0 12 132 106 0 +137.37 ± 28.94
371598 ncm-dbt-02 588004 500 161 91 248 +48.96 ± 13.65 0 23 134 93 0 +99.95 ± 29.1
371597 ncm-dbt-04 566414 500 176 93 231 +58.21 ± 14.79 0 25 120 102 3 +115.23 ± 31.11
371596 ncm-dbt-03 588089 500 161 90 249 +49.67 ± 15.54 0 34 114 99 3 +96.94 ± 32.0
371595 ncm-dbt-05 584916 500 178 86 236 +64.66 ± 13.24 0 14 131 104 1 +132.54 ± 29.19
371594 ncm-dbt-02 585379 500 179 82 239 +68.27 ± 14.26 0 20 114 115 1 +140.62 ± 31.94
371593 ncm-dbt-01 585506 500 171 83 246 +61.79 ± 14.13 1 18 124 106 1 +127.76 ± 30.41
371592 ncm-dbt-04 564487 500 174 82 244 +64.66 ± 14.39 1 19 118 111 1 +134.15 ± 31.33
371591 ncm-dbt-03 588472 500 175 84 241 +63.94 ± 15.04 0 27 106 116 1 +130.94 ± 33.2
371590 ncm-dbt-05 582861 500 176 87 237 +62.51 ± 15.5 1 27 106 114 2 +127.76 ± 33.19
371589 ncm-dbt-01 583614 500 171 88 241 +58.21 ± 14.39 0 24 120 105 1 +118.33 ± 31.1
371588 ncm-dbt-02 589497 500 168 95 237 +51.09 ± 14.31 0 26 126 97 1 +102.97 ± 30.28
371587 ncm-dbt-04 565941 500 166 77 257 +62.51 ± 14.03 1 16 128 103 2 +127.76 ± 29.76
371586 ncm-dbt-03 587325 500 174 104 222 +48.96 ± 14.47 0 29 122 99 0 +99.95 ± 30.87
371585 ncm-dbt-04 567007 500 177 82 241 +66.82 ± 14.2 0 21 113 116 0 +138.99 ± 32.11
371584 ncm-dbt-05 584537 500 158 96 246 +43.3 ± 14.29 0 29 131 89 1 +86.52 ± 29.64
371583 ncm-dbt-02 587537 500 183 90 227 +65.38 ± 14.42 0 20 120 107 3 +130.94 ± 31.03
371582 ncm-dbt-01 582694 500 158 96 246 +43.3 ± 14.02 0 28 132 90 0 +88.0 ± 29.49

Commit

Commit ID 871ab55f01f844bd24ed768c5e734ed2c956ef78
Author Taras Vuk
Date 2023-10-27 15:16:28 UTC
Simplify futility pruning formula closes https://github.com/official-stockfish/Stockfish/pull/4848 No functional change
Copyright 2011–2024 Next Chess Move LLC