Dev Builds » 20240528-1626

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 06:49:58 584388 4000 1520 621 1859 +79.44 ± 5.07 4 123 860 996 17 +165.36 ± 11.59
ncm-dbt-02 06:52:14 586693 3994 1493 604 1897 +78.65 ± 4.96 0 119 886 976 16 +162.85 ± 11.39
ncm-dbt-03 06:51:33 587011 4014 1484 651 1879 +73.16 ± 5.02 4 136 899 959 9 +152.42 ± 11.33
ncm-dbt-04 06:49:21 570757 4000 1491 614 1895 +77.43 ± 4.96 1 124 884 979 12 +161.07 ± 11.41
ncm-dbt-05 06:50:59 585158 3992 1466 660 1866 +71.13 ± 5.09 2 152 891 940 11 +146.9 ± 11.39
20000 7454 3150 9396 +75.96 ± 2.25 11 654 4420 4850 65 +157.66 ± 5.11

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
386733 ncm-dbt-03 586562 14 7 4 3 +75.56 ± 67.89 0 0 4 3 0 +159.09 ± 177.81
386732 ncm-dbt-05 581402 492 184 75 233 +78.27 ± 14.76 0 19 101 124 2 +161.9 ± 34.05
386731 ncm-dbt-04 568593 500 183 81 236 +71.88 ± 13.96 0 17 115 117 1 +148.85 ± 31.72
386730 ncm-dbt-02 586054 494 183 80 231 +73.52 ± 13.83 0 15 115 116 1 +152.58 ± 31.64
386729 ncm-dbt-01 586139 500 193 66 241 +90.22 ± 14.16 1 10 103 133 3 +190.85 ± 33.57
386728 ncm-dbt-03 587707 500 188 81 231 +75.52 ± 14.37 1 15 112 120 2 +157.24 ± 32.18
386727 ncm-dbt-05 582652 500 190 80 230 +77.7 ± 13.71 0 13 116 119 2 +160.64 ± 31.43
386726 ncm-dbt-04 568593 500 185 74 241 +78.44 ± 13.42 0 13 113 124 0 +165.8 ± 31.92
386725 ncm-dbt-02 589796 500 184 75 241 +76.97 ± 13.68 0 12 120 115 3 +157.24 ± 30.75
386724 ncm-dbt-01 583237 500 190 82 228 +76.25 ± 14.53 0 19 106 123 2 +157.24 ± 33.21
386723 ncm-dbt-03 586350 500 186 84 230 +71.89 ± 13.81 1 14 117 118 0 +152.18 ± 31.35
386722 ncm-dbt-05 588558 500 191 82 227 +76.98 ± 13.83 0 16 109 125 0 +162.35 ± 32.67
386721 ncm-dbt-04 570428 500 189 73 238 +82.1 ± 13.68 0 14 106 130 0 +174.55 ± 33.13
386720 ncm-dbt-02 580489 500 194 69 237 +88.74 ± 13.52 0 12 101 137 0 +190.85 ± 33.97
386719 ncm-dbt-01 582318 500 187 83 230 +73.33 ± 13.57 0 14 119 116 1 +152.18 ± 31.0
386718 ncm-dbt-03 586308 500 193 73 234 +85.04 ± 14.2 1 12 105 130 2 +179.9 ± 33.27
386717 ncm-dbt-05 583447 500 185 86 229 +69.71 ± 15.0 0 24 105 119 2 +142.26 ± 33.37
386716 ncm-dbt-04 570428 500 191 72 237 +84.31 ± 13.42 0 12 107 131 0 +179.9 ± 32.89
386715 ncm-dbt-01 584453 500 191 83 226 +76.25 ± 13.66 1 11 118 119 1 +160.64 ± 31.07
386714 ncm-dbt-03 586985 500 184 83 233 +71.16 ± 14.36 1 16 116 115 2 +147.19 ± 31.57
386713 ncm-dbt-02 590396 500 184 70 246 +80.63 ± 13.94 0 14 110 124 2 +167.53 ± 32.45
386712 ncm-dbt-05 583531 500 190 88 222 +71.89 ± 14.1 1 14 119 114 2 +148.85 ± 31.04
386711 ncm-dbt-03 586858 500 186 76 238 +77.7 ± 13.86 0 15 111 123 1 +162.35 ± 32.31
386710 ncm-dbt-01 584285 500 188 68 244 +85.04 ± 15.2 1 18 94 134 3 +178.11 ± 35.3
386709 ncm-dbt-04 571913 500 186 90 224 +67.55 ± 15.18 1 22 110 114 3 +137.37 ± 32.59
386708 ncm-dbt-02 586604 500 173 73 254 +70.43 ± 14.48 0 19 115 113 3 +142.26 ± 31.77
386707 ncm-dbt-04 570789 500 186 78 236 +76.25 ± 14.53 0 18 109 120 3 +155.54 ± 32.7
386706 ncm-dbt-01 586181 500 200 80 220 +85.04 ± 13.9 0 12 109 126 3 +176.33 ± 32.55
386705 ncm-dbt-05 587919 500 177 77 246 +70.44 ± 14.34 0 21 108 121 0 +147.19 ± 32.89
386704 ncm-dbt-03 587792 500 179 88 233 +63.94 ± 14.23 0 21 118 110 1 +130.94 ± 31.35
386703 ncm-dbt-02 587664 500 201 75 224 +89.48 ± 14.3 0 14 99 134 3 +187.16 ± 34.38
386702 ncm-dbt-05 586858 500 170 94 236 +53.22 ± 14.69 1 24 125 98 2 +107.54 ± 30.4
386701 ncm-dbt-04 572356 500 179 72 249 +75.52 ± 14.08 0 15 116 116 3 +153.86 ± 31.51
386700 ncm-dbt-01 585632 500 191 81 228 +77.7 ± 14.58 0 19 104 125 2 +160.64 ± 33.54
386699 ncm-dbt-03 584748 500 185 80 235 +74.06 ± 14.18 0 19 107 124 0 +155.54 ± 33.04
386698 ncm-dbt-02 587877 500 186 71 243 +81.36 ± 13.96 0 13 112 122 3 +167.53 ± 32.08
386697 ncm-dbt-04 572961 500 192 74 234 +83.57 ± 13.87 0 13 108 127 2 +174.55 ± 32.75
386696 ncm-dbt-05 586901 500 179 78 243 +71.16 ± 14.5 0 21 108 120 1 +147.19 ± 32.89
386695 ncm-dbt-01 582861 500 180 78 242 +71.89 ± 14.94 1 20 107 120 2 +148.85 ± 33.05
386694 ncm-dbt-03 589796 500 176 82 242 +66.1 ± 14.73 0 24 109 116 1 +135.76 ± 32.75
386693 ncm-dbt-02 584664 500 188 91 221 +68.27 ± 14.26 0 20 114 115 1 +140.62 ± 31.94

Commit

Commit ID 5e98a4e43dd1c2698162bc3f848a0a98943f86c6
Author Shawn Xu
Date 2024-05-28 16:26:42 UTC
Simplify Away TT Cutoff Return Value Adjustments Passed Non-regression STC: LLR: 2.93 (-2.94,2.94) <-1.75,0.25> Total: 198432 W: 51161 L: 51119 D: 96152 Ptnml(0-2): 772, 23670, 50273, 23746, 755 https://tests.stockfishchess.org/tests/view/66517b9ea86388d5e27da966 Passed Non-regression LTC: LLR: 2.95 (-2.94,2.94) <-1.75,0.25> Total: 234150 W: 59200 L: 59197 D: 115753 Ptnml(0-2): 126, 26200, 64404, 26235, 110 https://tests.stockfishchess.org/tests/view/6653a84da86388d5e27daa63 closes https://github.com/official-stockfish/Stockfish/pull/5292 bench 1555200
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