Dev Builds » 20240117-1704

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 06:54:31 577533 3990 1479 585 1926 +79.19 ± 5.02 2 121 870 985 17 +164.33 ± 11.51
ncm-dbt-02 06:54:45 585377 4004 1443 595 1966 +74.71 ± 5.07 0 151 862 979 10 +154.95 ± 11.59
ncm-dbt-03 06:54:55 583587 4002 1485 625 1892 +75.84 ± 4.94 4 114 913 958 12 +157.99 ± 11.2
ncm-dbt-04 06:54:36 568262 4010 1418 571 2021 +74.51 ± 4.85 1 112 943 937 12 +154.26 ± 10.99
ncm-dbt-05 06:54:14 581360 3994 1425 654 1915 +67.92 ± 4.94 2 137 955 894 9 +140.04 ± 10.94
20000 7250 3030 9720 +74.43 ± 2.22 9 635 4543 4753 60 +154.24 ± 5.03

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
419929 ncm-dbt-03 583740 2 1 0 1 +189.7 ± 55.98 0 0 0 1 0 +1129.65 ± 376.02
419928 ncm-dbt-02 586731 4 1 1 2 0.0 ± 17.0 0 0 2 0 0 -0.0 ± 15.22
419927 ncm-dbt-04 568037 10 4 1 5 +107.43 ± 84.35 0 0 2 3 0 +240.65 ± 570.11
419926 ncm-dbt-01 577274 490 168 77 245 +65.28 ± 14.2 0 19 117 108 1 +133.89 ± 31.43
419925 ncm-dbt-05 581028 494 174 71 249 +73.52 ± 13.53 0 13 119 114 1 +152.58 ± 30.92
419924 ncm-dbt-02 586689 500 182 74 244 +76.25 ± 13.96 0 17 108 125 0 +160.64 ± 32.85
419923 ncm-dbt-03 580406 500 192 82 226 +77.71 ± 14.58 1 16 107 124 2 +162.35 ± 33.02
419922 ncm-dbt-04 568116 500 165 60 275 +74.06 ± 13.89 0 13 123 110 4 +148.85 ± 30.34
419921 ncm-dbt-05 580696 500 179 88 233 +63.94 ± 13.66 0 17 126 106 1 +130.94 ± 30.05
419920 ncm-dbt-01 579124 500 178 77 245 +71.16 ± 13.93 0 18 113 119 0 +148.85 ± 32.06
419919 ncm-dbt-02 585042 500 190 73 237 +82.83 ± 14.58 0 16 105 125 4 +169.27 ± 33.34
419918 ncm-dbt-04 567839 500 172 63 265 +76.97 ± 13.83 0 14 115 119 2 +158.93 ± 31.63
419917 ncm-dbt-03 582569 500 187 77 236 +77.7 ± 14.44 0 16 112 118 4 +157.24 ± 32.18
419916 ncm-dbt-05 580365 500 169 77 254 +64.67 ± 13.97 1 17 121 111 0 +135.76 ± 30.83
419915 ncm-dbt-01 575150 500 192 66 242 +89.48 ± 13.38 0 11 102 137 0 +192.71 ± 33.75
419914 ncm-dbt-02 584369 500 187 81 232 +74.79 ± 14.9 0 22 102 124 2 +153.86 ± 33.87
419913 ncm-dbt-04 568713 500 179 81 240 +68.99 ± 14.0 0 18 117 114 1 +142.26 ± 31.44
419912 ncm-dbt-03 585211 500 186 74 240 +79.17 ± 13.29 0 12 114 124 0 +167.53 ± 31.71
419911 ncm-dbt-05 585253 500 186 92 222 +66.1 ± 13.74 0 18 120 112 0 +137.37 ± 30.98
419910 ncm-dbt-01 575965 500 186 76 238 +77.71 ± 14.0 1 11 118 117 3 +160.64 ± 31.07
419909 ncm-dbt-02 585843 500 180 66 254 +80.63 ± 13.94 0 15 107 127 1 +169.27 ± 32.98
419908 ncm-dbt-04 569031 500 172 74 254 +68.99 ± 13.11 0 13 126 111 0 +143.89 ± 29.88
419907 ncm-dbt-03 582277 500 187 76 237 +78.43 ± 13.88 0 15 110 124 1 +164.07 ± 32.48
419906 ncm-dbt-05 579372 500 182 80 238 +71.88 ± 13.96 0 16 118 114 2 +147.19 ± 31.23
419905 ncm-dbt-01 579868 500 180 71 249 +76.97 ± 14.41 0 18 107 123 2 +158.93 ± 33.03
419904 ncm-dbt-02 586054 500 170 72 258 +68.99 ± 14.97 0 26 100 124 0 +143.89 ± 34.16
419903 ncm-dbt-04 568951 500 180 78 242 +71.88 ± 13.06 0 12 124 114 0 +150.51 ± 30.13
419902 ncm-dbt-03 582903 500 183 74 243 +76.98 ± 14.27 1 14 112 121 2 +160.64 ± 32.15
419901 ncm-dbt-05 575476 500 180 84 236 +67.54 ± 14.37 0 20 116 112 2 +137.37 ± 31.63
419900 ncm-dbt-01 578136 500 191 71 238 +85.04 ± 14.78 0 16 103 126 5 +172.78 ± 33.69
419899 ncm-dbt-02 582444 500 174 83 243 +63.94 ± 14.64 0 24 112 113 1 +130.94 ± 32.29
419898 ncm-dbt-04 567126 500 172 71 257 +71.16 ± 14.22 1 15 118 114 2 +147.19 ± 31.23
419897 ncm-dbt-03 583447 500 178 79 243 +69.71 ± 14.03 1 15 119 114 1 +145.54 ± 31.07
419896 ncm-dbt-05 584285 500 169 79 252 +63.23 ± 13.91 0 19 123 107 1 +129.35 ± 30.56
419895 ncm-dbt-01 577356 500 196 75 229 +85.78 ± 14.36 0 14 105 127 4 +176.33 ± 33.3
419894 ncm-dbt-02 585084 500 177 63 260 +80.63 ± 13.49 0 13 110 127 0 +171.02 ± 32.42
419893 ncm-dbt-03 584453 500 187 84 229 +72.61 ± 13.39 1 10 125 113 1 +152.18 ± 29.92
419892 ncm-dbt-04 568514 500 188 68 244 +85.04 ± 14.05 0 15 101 133 1 +179.9 ± 34.03
419891 ncm-dbt-05 584411 500 186 83 231 +72.61 ± 14.55 1 17 112 118 2 +150.51 ± 32.22
419890 ncm-dbt-01 577397 500 188 72 240 +82.1 ± 14.42 1 14 105 128 2 +172.78 ± 33.32
419889 ncm-dbt-04 568037 500 186 75 239 +78.43 ± 13.58 0 12 117 119 2 +162.35 ± 31.23
419888 ncm-dbt-02 586139 500 182 82 236 +70.43 ± 14.2 0 18 116 114 2 +143.89 ± 31.59
419887 ncm-dbt-03 587282 500 184 79 237 +74.06 ± 13.89 0 16 114 119 1 +153.86 ± 31.85

Commit

Commit ID 32e46fc47f521d2b93f96c63267fc0bda26332dc
Author mstembera
Date 2024-01-17 17:04:29 UTC
Remove some outdated SIMD functions Since https://github.com/official-stockfish/Stockfish/pull/4391 the x2 SIMD functions no longer serve any useful purpose. Passed non-regression STC: https://tests.stockfishchess.org/tests/view/659cf42579aa8af82b966d55 LLR: 2.95 (-2.94,2.94) <-1.75,0.25> Total: 67392 W: 17222 L: 17037 D: 33133 Ptnml(0-2): 207, 7668, 17762, 7851, 208 closes https://github.com/official-stockfish/Stockfish/pull/4974 No functional change
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