Dev Builds » 20231120-1800

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 06:55:10 584150 4000 1358 650 1992 +62.15 ± 5.13 7 174 926 890 3 +129.35 ± 11.17
ncm-dbt-02 06:55:54 587982 4000 1408 679 1913 +64.04 ± 5.11 3 172 927 889 9 +131.54 ± 11.16
ncm-dbt-03 06:55:24 586368 4002 1387 691 1924 +61.04 ± 5.0 1 166 980 844 10 +124.33 ± 10.81
ncm-dbt-04 06:54:47 571082 4000 1394 662 1944 +64.3 ± 5.12 0 182 913 896 9 +131.54 ± 11.26
ncm-dbt-05 06:54:45 585085 3998 1365 719 1914 +56.64 ± 5.07 4 180 991 814 10 +115.29 ± 10.76
20000 6912 3401 9687 +61.63 ± 2.28 15 874 4737 4333 41 +126.37 ± 4.93

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
392734 ncm-dbt-03 585759 2 1 0 1 +189.7 ± 55.98 0 0 0 1 0 +1129.65 ± 376.02
392733 ncm-dbt-05 586223 498 166 98 234 +47.74 ± 14.04 1 22 135 90 1 +97.35 ± 28.95
392732 ncm-dbt-04 570348 500 177 79 244 +68.99 ± 14.28 0 20 113 116 1 +142.26 ± 32.1
392731 ncm-dbt-02 586350 500 173 84 243 +62.51 ± 14.44 1 19 122 106 2 +127.76 ± 30.73
392730 ncm-dbt-01 585253 500 170 98 232 +50.38 ± 15.45 3 25 121 99 2 +104.49 ± 31.0
392729 ncm-dbt-03 587240 500 172 79 249 +65.38 ± 13.86 0 19 119 112 0 +135.76 ± 31.16
392728 ncm-dbt-05 585000 500 170 93 237 +53.93 ± 14.32 0 26 121 103 0 +110.6 ± 30.98
392727 ncm-dbt-02 587494 500 166 89 245 +53.93 ± 14.19 0 24 126 99 1 +109.07 ± 30.24
392726 ncm-dbt-04 571793 500 160 96 244 +44.72 ± 14.9 0 34 118 98 0 +90.97 ± 31.44
392725 ncm-dbt-01 583824 500 170 70 260 +70.44 ± 14.05 0 19 112 119 0 +147.19 ± 32.24
392724 ncm-dbt-03 588558 500 171 87 242 +58.93 ± 14.69 0 25 118 105 2 +118.33 ± 31.4
392723 ncm-dbt-05 582110 500 176 103 221 +51.09 ± 14.85 1 27 121 100 1 +104.49 ± 31.0
392722 ncm-dbt-04 568991 500 179 90 231 +62.51 ± 13.88 0 19 124 106 1 +127.76 ± 30.41
392721 ncm-dbt-01 583112 500 168 70 262 +68.99 ± 13.86 0 17 119 113 1 +142.26 ± 31.1
392720 ncm-dbt-02 587197 500 169 87 244 +57.5 ± 14.49 0 25 119 105 1 +116.78 ± 31.26
392719 ncm-dbt-03 585674 500 171 87 242 +58.93 ± 15.09 1 26 112 110 1 +121.46 ± 32.29
392718 ncm-dbt-04 570348 500 180 83 237 +68.27 ± 14.67 0 22 111 115 2 +138.99 ± 32.43
392717 ncm-dbt-05 584243 500 160 87 253 +51.09 ± 14.04 0 24 130 95 1 +102.97 ± 29.68
392716 ncm-dbt-01 585590 500 171 94 235 +53.94 ± 14.73 1 26 118 105 0 +112.14 ± 31.42
392715 ncm-dbt-02 585379 500 174 85 241 +62.51 ± 14.85 0 26 110 113 1 +127.76 ± 32.59
392714 ncm-dbt-03 586943 500 179 86 235 +65.38 ± 13.27 0 15 127 108 0 +135.76 ± 29.83
392713 ncm-dbt-04 570749 500 182 75 243 +75.52 ± 13.94 0 17 109 124 0 +158.93 ± 32.69
392712 ncm-dbt-01 585042 500 165 86 249 +55.36 ± 13.98 1 20 128 101 0 +115.23 ± 29.89
392711 ncm-dbt-02 589240 500 174 87 239 +61.07 ± 13.68 0 18 128 103 1 +124.6 ± 29.8
392710 ncm-dbt-05 583028 500 174 92 234 +57.5 ± 14.89 0 28 113 108 1 +116.78 ± 32.15
392709 ncm-dbt-03 586012 500 177 89 234 +61.79 ± 14.27 0 21 122 105 2 +124.6 ± 30.76
392708 ncm-dbt-01 582778 500 180 69 251 +78.44 ± 14.46 0 20 99 131 0 +165.8 ± 34.39
392707 ncm-dbt-04 571913 500 166 75 259 +63.95 ± 14.37 0 23 113 114 0 +132.54 ± 32.13
392706 ncm-dbt-05 585379 500 162 78 260 +58.93 ± 13.58 0 19 128 103 0 +121.46 ± 29.83
392705 ncm-dbt-02 590438 500 182 69 249 +79.9 ± 14.64 1 17 101 130 1 +169.27 ± 34.05
392704 ncm-dbt-03 583070 500 180 93 227 +61.07 ± 13.53 0 15 136 96 3 +121.46 ± 28.52
392703 ncm-dbt-05 586012 500 179 84 237 +66.82 ± 14.06 1 15 124 108 2 +137.37 ± 30.31
392702 ncm-dbt-01 583992 500 167 81 252 +60.36 ± 15.41 2 26 106 116 0 +127.76 ± 33.19
392701 ncm-dbt-04 570909 500 170 82 248 +61.79 ± 14.68 0 24 116 108 2 +124.6 ± 31.69
392700 ncm-dbt-03 586816 500 176 89 235 +61.07 ± 13.96 0 21 121 108 0 +126.18 ± 30.9
392699 ncm-dbt-02 587707 500 184 89 227 +66.82 ± 15.02 0 25 107 116 2 +135.76 ± 33.06
392698 ncm-dbt-05 588686 500 178 84 238 +66.1 ± 14.86 1 19 119 107 4 +132.54 ± 31.18
392697 ncm-dbt-04 573608 500 180 82 238 +68.99 ± 14.97 0 23 109 115 3 +138.99 ± 32.74
392696 ncm-dbt-01 583614 500 167 82 251 +59.64 ± 13.9 0 21 123 106 0 +123.02 ± 30.61
392695 ncm-dbt-03 587240 500 160 81 259 +55.36 ± 14.39 0 24 125 99 2 +110.6 ± 30.39
392694 ncm-dbt-02 590053 500 186 89 225 +68.27 ± 14.26 1 18 114 117 0 +143.89 ± 31.92

Commit

Commit ID b59786e750a59d3d7cff2630cf284553f607ed29
Author FauziAkram
Date 2023-11-20 18:00:47 UTC
Remove doEvenDeeperSearch Passed STC: LLR: 2.98 (-2.94,2.94) <-1.75,0.25> Total: 51040 W: 13014 L: 12804 D: 25222 Ptnml(0-2): 166, 6032, 12917, 6236, 169 https://tests.stockfishchess.org/tests/view/65525aa1136acbc573534801 Passed LTC: LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 165168 W: 40863 L: 40789 D: 83516 Ptnml(0-2): 73, 18783, 44792, 18869, 67 https://tests.stockfishchess.org/tests/view/65535af5136acbc573535c84 closes https://github.com/official-stockfish/Stockfish/pull/4880 Bench: 1477007
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