Dev Builds » 20211031-2130

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 06:52:39 583318 4000 737 1313 1950 -50.38 ± 5.27 13 788 964 232 3 -101.08 ± 10.96
ncm-dbt-02 06:54:20 585622 4014 722 1297 1995 -50.11 ± 5.25 12 793 961 240 1 -100.33 ± 10.98
ncm-dbt-03 06:53:49 586007 3992 719 1294 1979 -50.39 ± 5.2 3 806 951 235 1 -102.62 ± 11.04
ncm-dbt-04 06:54:26 568874 4000 707 1305 1988 -52.33 ± 5.09 7 791 999 199 4 -106.58 ± 10.73
ncm-dbt-05 06:53:14 581313 3994 708 1329 1957 -54.46 ± 5.17 9 816 960 211 1 -110.2 ± 10.97
20000 3593 6538 9869 -51.53 ± 2.32 44 3994 4835 1117 10 -104.15 ± 4.89

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
435744 ncm-dbt-02 583950 14 4 6 4 -49.96 ± 94.42 0 3 3 1 0 -102.11 ± 234.06
435743 ncm-dbt-05 575802 494 72 157 265 -60.38 ± 13.91 1 102 125 19 0 -123.06 ± 30.24
435742 ncm-dbt-03 585084 492 86 150 256 -45.45 ± 15.52 0 101 108 37 0 -92.52 ± 32.82
435741 ncm-dbt-04 568951 500 88 161 251 -51.09 ± 14.58 0 101 122 26 1 -106.01 ± 30.85
435740 ncm-dbt-01 582444 500 97 169 234 -50.38 ± 14.14 1 95 129 25 0 -101.46 ± 29.84
435739 ncm-dbt-02 585548 500 84 157 259 -51.09 ± 15.11 1 103 114 32 0 -102.97 ± 32.0
435738 ncm-dbt-05 582152 500 95 166 239 -49.67 ± 14.24 2 92 131 25 0 -98.44 ± 29.57
435737 ncm-dbt-03 587579 500 92 154 254 -43.3 ± 14.95 1 93 124 31 1 -88.0 ± 30.62
435736 ncm-dbt-04 570829 500 85 174 241 -62.51 ± 14.98 2 111 111 26 0 -126.18 ± 32.44
435735 ncm-dbt-01 582110 500 103 162 235 -41.19 ± 15.33 3 88 125 33 1 -80.63 ± 30.5
435734 ncm-dbt-02 582819 500 86 172 242 -60.36 ± 14.49 0 111 114 25 0 -124.6 ± 31.99
435733 ncm-dbt-03 585548 500 101 168 231 -46.84 ± 14.62 0 98 121 31 0 -95.44 ± 31.02
435732 ncm-dbt-05 581569 500 79 164 257 -59.64 ± 14.59 1 107 119 22 1 -123.02 ± 31.23
435731 ncm-dbt-04 568792 500 92 147 261 -38.37 ± 14.4 0 86 135 27 2 -80.63 ± 29.1
435730 ncm-dbt-01 584159 500 92 152 256 -41.9 ± 15.86 0 102 107 40 1 -86.52 ± 32.9
435729 ncm-dbt-02 585843 500 93 154 253 -42.6 ± 14.91 1 93 122 34 0 -85.04 ± 30.9
435728 ncm-dbt-05 577889 500 82 171 247 -62.51 ± 15.37 2 114 105 29 0 -126.18 ± 33.33
435727 ncm-dbt-03 586520 500 89 160 251 -49.67 ± 14.24 0 98 125 27 0 -101.46 ± 30.43
435726 ncm-dbt-04 568832 500 90 162 248 -50.38 ± 14.28 0 98 127 24 1 -104.49 ± 30.12
435725 ncm-dbt-01 586139 500 92 180 228 -61.79 ± 15.08 2 110 113 24 1 -126.18 ± 32.14
435724 ncm-dbt-02 584537 500 101 158 241 -39.78 ± 15.13 2 88 126 33 1 -79.17 ± 30.36
435723 ncm-dbt-03 586054 500 91 172 237 -56.78 ± 14.46 0 107 117 26 0 -116.78 ± 31.56
435722 ncm-dbt-05 581569 500 96 165 239 -48.25 ± 14.43 0 98 123 29 0 -98.44 ± 30.73
435721 ncm-dbt-04 567363 500 95 171 234 -53.22 ± 14.01 2 94 132 22 0 -106.01 ± 29.35
435720 ncm-dbt-01 582235 500 86 159 255 -51.09 ± 14.58 1 99 122 28 0 -102.97 ± 30.86
435719 ncm-dbt-02 588472 500 102 160 238 -40.48 ± 13.71 1 82 141 26 0 -80.63 ± 28.22
435718 ncm-dbt-05 585632 500 90 158 252 -47.54 ± 15.05 1 99 117 33 0 -95.44 ± 31.58
435717 ncm-dbt-03 586012 500 80 161 259 -56.78 ± 14.73 0 109 113 28 0 -116.78 ± 32.15
435716 ncm-dbt-04 568474 500 81 155 264 -51.8 ± 13.8 0 97 130 23 0 -106.01 ± 29.66
435715 ncm-dbt-02 586943 500 76 158 266 -57.5 ± 15.29 2 108 110 30 0 -115.23 ± 32.58
435714 ncm-dbt-01 582277 500 83 152 265 -48.25 ± 14.57 1 96 124 29 0 -96.94 ± 30.59
435713 ncm-dbt-05 583824 500 95 173 232 -54.65 ± 14.22 0 103 122 25 0 -112.14 ± 30.83
435712 ncm-dbt-03 585843 500 85 172 243 -61.07 ± 14.38 1 108 118 23 0 -124.6 ± 31.38
435711 ncm-dbt-04 567205 500 88 161 251 -51.09 ± 13.76 1 93 134 22 0 -102.97 ± 29.07
435710 ncm-dbt-02 586901 500 88 175 237 -61.07 ± 15.31 3 109 110 28 0 -121.46 ± 32.59
435709 ncm-dbt-01 583321 500 97 173 230 -53.22 ± 14.95 3 98 121 28 0 -104.49 ± 31.0
435708 ncm-dbt-05 582068 500 99 175 226 -53.22 ± 14.95 2 101 118 29 0 -106.01 ± 31.43
435707 ncm-dbt-03 585421 500 95 157 248 -43.3 ± 14.69 1 92 125 32 0 -86.52 ± 30.48
435706 ncm-dbt-02 585590 500 88 157 255 -48.25 ± 14.96 2 96 121 31 0 -95.44 ± 31.02
435705 ncm-dbt-01 583866 500 87 166 247 -55.36 ± 14.53 2 100 123 25 0 -110.6 ± 30.69
435704 ncm-dbt-04 570549 500 88 174 238 -60.36 ± 15.28 2 111 108 29 0 -121.46 ± 32.88

Commit

Commit ID 717d6c5ed503543c66eb7a2c10e8a97c88d99862
Author Joost VandeVondele
Date 2021-10-31 21:30:01 UTC
Widen the aspiration window for larger evals passed STC LLR: 2.93 (-2.94,2.94) <-0.50,2.50> Total: 36840 W: 9359 L: 9134 D: 18347 Ptnml(0-2): 111, 4130, 9722, 4337, 120 https://tests.stockfishchess.org/tests/view/617c601301c6d0988731d10a passed LTC LLR: 2.98 (-2.94,2.94) <0.50,3.50> Total: 64824 W: 16377 L: 16043 D: 32404 Ptnml(0-2): 27, 6712, 18618, 7010, 45 https://tests.stockfishchess.org/tests/view/617c720d01c6d0988731d114 closes https://github.com/official-stockfish/Stockfish/pull/3768 Bench: 7683058
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