Dev Builds » 20240623-0937

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 06:50:01 584254 4000 1465 574 1961 +78.71 ± 5.16 3 147 818 1020 12 +164.5 ± 11.91
ncm-dbt-02 06:50:05 587243 4000 1451 611 1938 +74.06 ± 5.1 4 146 864 978 8 +154.7 ± 11.58
ncm-dbt-03 06:50:07 586928 4004 1489 606 1909 +77.9 ± 5.0 3 128 862 1001 8 +163.45 ± 11.58
ncm-dbt-04 06:51:49 570451 4000 1469 618 1913 +75.06 ± 5.06 1 140 881 963 15 +154.91 ± 11.45
ncm-dbt-05 06:52:34 583368 3996 1440 630 1926 +71.42 ± 5.08 1 156 882 950 9 +147.77 ± 11.45
20000 7314 3039 9647 +75.43 ± 2.27 12 717 4307 4912 52 +157.02 ± 5.18

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
390384 ncm-dbt-03 588217 4 1 1 2 0.0 ± 17.0 0 0 2 0 0 -0.0 ± 15.22
390382 ncm-dbt-05 586646 496 183 79 234 +73.94 ± 14.11 0 17 111 119 1 +153.58 ± 32.35
390381 ncm-dbt-04 569151 500 179 75 246 +73.33 ± 13.86 0 16 115 118 1 +152.18 ± 31.7
390380 ncm-dbt-01 582987 500 173 72 255 +71.16 ± 14.78 0 23 104 122 1 +147.19 ± 33.54
390379 ncm-dbt-03 586393 500 194 69 237 +88.74 ± 13.2 0 10 105 135 0 +190.85 ± 33.16
390378 ncm-dbt-02 586943 500 172 72 256 +70.43 ± 13.76 0 16 119 114 1 +145.54 ± 31.07
390377 ncm-dbt-05 581444 500 172 92 236 +56.07 ± 14.7 0 28 114 108 0 +115.23 ± 32.0
390376 ncm-dbt-03 585464 500 189 87 224 +71.89 ± 14.39 1 18 109 122 0 +152.18 ± 32.72
390375 ncm-dbt-04 572961 500 182 76 242 +74.79 ± 15.04 1 20 103 124 2 +155.54 ± 33.71
390374 ncm-dbt-01 582778 500 182 79 239 +72.61 ± 14.69 0 22 104 123 1 +150.51 ± 33.54
390373 ncm-dbt-02 587834 500 166 68 266 +68.99 ± 14.28 0 21 110 119 0 +143.89 ± 32.58
390372 ncm-dbt-05 583531 500 188 71 241 +82.83 ± 14.14 0 16 102 131 1 +174.55 ± 33.86
390371 ncm-dbt-03 587494 500 192 76 232 +82.1 ± 14.56 0 18 100 130 2 +171.02 ± 34.23
390370 ncm-dbt-01 583698 500 186 63 251 +87.26 ± 14.69 0 16 99 131 4 +179.9 ± 34.4
390369 ncm-dbt-02 586350 500 192 80 228 +79.17 ± 14.34 0 18 103 128 1 +165.8 ± 33.7
390368 ncm-dbt-04 569390 500 188 84 228 +73.33 ± 14.15 0 17 114 117 2 +150.51 ± 31.88
389829 ncm-dbt-05 582152 500 179 73 248 +74.79 ± 14.2 0 16 115 116 3 +152.18 ± 31.7
389828 ncm-dbt-01 582527 500 190 71 239 +84.31 ± 14.9 1 17 96 134 2 +178.11 ± 34.94
389827 ncm-dbt-02 587664 500 178 78 244 +70.44 ± 13.76 0 17 116 117 0 +147.19 ± 31.57
389826 ncm-dbt-04 568832 500 185 63 252 +86.52 ± 14.23 0 13 106 127 4 +178.11 ± 33.1
389825 ncm-dbt-03 589326 500 175 61 264 +80.63 ± 14.38 0 18 101 130 1 +169.27 ± 34.05
389824 ncm-dbt-05 582861 500 173 83 244 +63.23 ± 15.01 0 26 110 112 2 +127.76 ± 32.59
389823 ncm-dbt-01 585717 500 183 76 241 +75.52 ± 14.37 1 17 106 126 0 +160.64 ± 33.2
389822 ncm-dbt-04 570388 500 176 94 230 +57.5 ± 14.36 0 25 118 107 0 +118.33 ± 31.4
389821 ncm-dbt-03 586604 500 184 93 223 +63.95 ± 15.04 2 22 109 117 0 +135.76 ± 32.75
389820 ncm-dbt-02 588771 500 183 82 235 +71.16 ± 14.36 0 21 107 122 0 +148.85 ± 33.05
389819 ncm-dbt-01 583028 500 169 64 267 +74.06 ± 13.89 0 17 111 122 0 +155.54 ± 32.36
389818 ncm-dbt-05 580821 500 183 74 243 +76.97 ± 13.68 0 14 114 121 1 +160.64 ± 31.79
389817 ncm-dbt-02 589411 500 182 80 238 +71.89 ± 14.1 1 15 116 117 1 +150.51 ± 31.54
389816 ncm-dbt-03 584076 500 183 84 233 +69.71 ± 13.59 0 15 122 112 1 +143.89 ± 30.58
389815 ncm-dbt-04 571150 500 195 74 231 +85.78 ± 14.65 0 17 98 132 3 +178.11 ± 34.58
389814 ncm-dbt-03 586054 500 189 67 244 +86.52 ± 13.0 0 8 113 128 1 +183.51 ± 31.65
389813 ncm-dbt-01 588387 500 193 77 230 +82.1 ± 14.56 0 18 100 130 2 +171.02 ± 34.23
389812 ncm-dbt-05 581194 500 188 75 237 +79.9 ± 13.31 0 12 113 125 0 +169.27 ± 31.88
389811 ncm-dbt-02 584201 500 180 78 242 +71.89 ± 15.73 2 23 98 125 2 +150.51 ± 34.5
389810 ncm-dbt-04 569949 500 181 75 244 +74.79 ± 13.76 0 15 115 119 1 +155.54 ± 31.67
389809 ncm-dbt-01 584916 500 189 72 239 +82.83 ± 14.86 1 17 98 132 2 +174.55 ± 34.58
389808 ncm-dbt-04 571793 500 183 77 240 +74.79 ± 14.2 0 17 112 119 2 +153.86 ± 32.2
389807 ncm-dbt-02 586774 500 198 73 229 +88.74 ± 14.86 1 15 95 136 3 +187.16 ± 35.14
389806 ncm-dbt-05 588302 500 174 83 243 +63.95 ± 15.43 1 27 103 118 1 +132.54 ± 33.65
389805 ncm-dbt-03 588728 500 182 68 250 +80.63 ± 14.8 0 19 101 127 3 +165.8 ± 34.05

Commit

Commit ID 8806a58ebf5ade73696fd1f89ac4ea12cd1eedd3
Author evqsx
Date 2024-06-23 09:37:32 UTC
Simplify static exchange evaluation pruning formula Passed STC: https://tests.stockfishchess.org/tests/view/666bda31602682471b064e1f LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 141696 W: 36932 L: 36826 D: 67938 Ptnml(0-2): 510, 16880, 35989, 16932, 537 Passed LTC: https://tests.stockfishchess.org/tests/view/666e6b67602682471b064f4b LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 159504 W: 40552 L: 40471 D: 78481 Ptnml(0-2): 130, 18160, 43103, 18217, 142 closes https://github.com/official-stockfish/Stockfish/pull/5400 bench: 1084115
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