Dev Builds » 20231210-2217

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 06:56:30 583250 4012 1415 670 1927 +65.27 ± 5.04 3 157 949 886 11 +133.91 ± 11.01
ncm-dbt-02 06:56:18 576234 4004 1412 682 1910 +64.06 ± 5.11 4 168 934 886 10 +131.6 ± 11.12
ncm-dbt-03 06:56:48 575826 3990 1403 638 1949 +67.45 ± 5.17 3 167 901 910 14 +138.16 ± 11.33
ncm-dbt-04 06:56:16 562234 4004 1395 657 1952 +64.78 ± 4.92 0 154 959 886 3 +133.8 ± 10.94
ncm-dbt-05 06:55:48 583928 3990 1411 679 1900 +64.47 ± 5.01 1 160 947 880 7 +132.51 ± 11.02
20000 7036 3326 9638 +65.2 ± 2.26 11 806 4690 4448 45 +133.99 ± 4.95

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
407688 ncm-dbt-01 581028 12 6 2 4 +120.31 ± 75.55 0 0 2 4 0 +279.41 ± 548.26
407687 ncm-dbt-03 583698 458 160 72 226 +67.59 ± 14.99 0 17 110 99 3 +135.43 ± 32.38
407686 ncm-dbt-04 572759 472 169 74 229 +70.9 ± 15.1 0 22 97 117 0 +148.24 ± 34.74
407685 ncm-dbt-02 586985 472 162 80 230 +60.98 ± 16.0 1 25 104 103 3 +122.62 ± 33.53
407684 ncm-dbt-05 585211 490 182 99 209 +59.42 ± 14.66 1 21 118 104 1 +122.54 ± 31.34
407683 ncm-dbt-01 585295 500 180 87 233 +65.38 ± 14.42 0 22 114 113 1 +134.15 ± 31.97
407682 ncm-dbt-04 567165 500 172 85 243 +61.07 ± 13.96 0 21 121 108 0 +126.18 ± 30.9
407681 ncm-dbt-03 583656 500 175 78 247 +68.27 ± 14.67 0 22 111 115 2 +138.99 ± 32.43
407680 ncm-dbt-02 584369 500 173 81 246 +64.66 ± 14.53 0 24 110 116 0 +134.15 ± 32.59
407679 ncm-dbt-05 581569 500 170 86 244 +58.93 ± 13.72 0 20 126 104 0 +121.46 ± 30.15
407678 ncm-dbt-01 582652 500 181 80 239 +71.16 ± 14.5 1 16 117 113 3 +145.54 ± 31.41
407677 ncm-dbt-03 584790 500 176 75 249 +71.16 ± 14.22 0 17 118 112 3 +143.89 ± 31.26
407676 ncm-dbt-04 570709 500 176 79 245 +68.27 ± 13.54 0 16 121 113 0 +142.26 ± 30.77
407675 ncm-dbt-02 585337 500 178 82 240 +67.54 ± 14.09 0 19 117 113 1 +138.99 ± 31.46
407674 ncm-dbt-05 581319 500 185 95 220 +63.23 ± 14.06 0 20 121 108 1 +129.35 ± 30.88
407673 ncm-dbt-01 582861 500 179 79 242 +70.43 ± 14.75 0 21 111 115 3 +142.26 ± 32.42
407672 ncm-dbt-03 587622 500 188 79 233 +76.97 ± 15.38 0 23 99 124 4 +155.54 ± 34.37
407671 ncm-dbt-04 571110 500 169 84 247 +59.64 ± 13.9 0 20 126 103 1 +121.46 ± 30.15
407670 ncm-dbt-02 586139 500 177 86 237 +63.94 ± 13.8 0 17 127 104 2 +129.35 ± 29.91
407669 ncm-dbt-05 587028 500 182 81 237 +71.16 ± 13.93 0 16 119 113 2 +145.54 ± 31.07
407668 ncm-dbt-01 582318 500 170 80 250 +63.23 ± 14.47 1 20 118 110 1 +130.94 ± 31.35
407667 ncm-dbt-03 586012 500 173 80 247 +65.39 ± 14.0 1 17 120 112 0 +137.37 ± 30.98
407666 ncm-dbt-04 571632 500 182 87 231 +66.82 ± 13.33 0 15 125 110 0 +138.99 ± 30.12
407665 ncm-dbt-02 585843 500 188 98 214 +63.23 ± 14.06 0 21 118 111 0 +130.94 ± 31.35
407664 ncm-dbt-05 582318 500 189 80 231 +76.98 ± 13.68 0 15 111 124 0 +162.35 ± 32.31
407663 ncm-dbt-01 583154 500 183 82 235 +71.16 ± 13.64 0 16 117 117 0 +148.85 ± 31.38
407662 ncm-dbt-04 486520 500 175 82 243 +65.38 ± 14.29 0 21 116 112 1 +134.15 ± 31.65
407661 ncm-dbt-02 504702 500 173 78 249 +66.82 ± 14.62 1 20 113 115 1 +138.99 ± 32.11
407660 ncm-dbt-03 501867 500 172 86 242 +60.36 ± 15.28 1 28 105 116 0 +126.18 ± 33.33
407659 ncm-dbt-05 584243 500 178 85 237 +65.38 ± 14.56 0 23 112 114 1 +134.15 ± 32.28
407658 ncm-dbt-01 582569 500 176 88 236 +61.79 ± 13.85 0 20 122 108 0 +127.76 ± 30.73
407657 ncm-dbt-02 584159 32 13 7 12 +65.92 ± 53.38 0 1 8 7 0 +136.97 ± 126.3
407656 ncm-dbt-04 572840 32 7 3 22 +43.65 ± 48.7 0 1 10 5 0 +88.74 ± 105.21
407655 ncm-dbt-03 583698 32 11 7 14 +43.65 ± 65.68 0 3 6 7 0 +88.74 ± 145.75
407654 ncm-dbt-05 581777 500 157 72 271 +59.64 ± 14.04 0 21 124 104 1 +121.46 ± 30.47
407653 ncm-dbt-04 573446 500 173 83 244 +63.23 ± 13.91 0 20 120 110 0 +130.94 ± 31.03
407652 ncm-dbt-01 583237 500 170 91 239 +55.36 ± 14.12 0 22 129 97 2 +110.6 ± 29.78
407651 ncm-dbt-02 583028 500 183 76 241 +75.52 ± 14.37 0 19 106 124 1 +157.24 ± 33.21
407650 ncm-dbt-03 586054 500 182 83 235 +69.71 ± 14.17 0 19 114 116 1 +143.89 ± 31.92
407649 ncm-dbt-05 587962 500 168 81 251 +61.07 ± 14.52 0 24 116 109 1 +124.6 ± 31.69
407648 ncm-dbt-02 585548 500 165 94 241 +49.67 ± 14.64 2 22 131 93 2 +101.46 ± 29.54
407647 ncm-dbt-04 573932 500 172 80 248 +64.66 ± 13.83 0 18 123 108 1 +132.54 ± 30.53
407646 ncm-dbt-01 586139 500 170 81 249 +62.51 ± 14.44 1 20 119 109 1 +129.35 ± 31.2
407645 ncm-dbt-03 585042 500 166 78 256 +61.79 ± 14.55 1 21 118 109 1 +127.76 ± 31.37

Commit

Commit ID 53ad6d23b0e7ec2814579d4acba7c02c2b12008f
Author Taras Vuk
Date 2023-12-10 22:17:14 UTC
Remove moveMalus Passed STC: https://tests.stockfishchess.org/tests/view/656e0bb86980e15f69c763fa LLR: 3.15 (-2.94,2.94) <-1.75,0.25> Total: 123008 W: 30973 L: 30831 D: 61204 Ptnml(0-2): 368, 14032, 32568, 14162, 374 closes https://github.com/official-stockfish/Stockfish/pull/4905 No functional change
Copyright 2011–2025 Next Chess Move LLC