Dev Builds » 20230929-2007

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 06:56:49 584874 4004 1383 690 1931 +60.74 ± 5.01 1 168 980 843 10 +123.68 ± 10.82
ncm-dbt-02 06:57:06 588187 4008 1341 689 1978 +57.03 ± 5.12 4 189 971 831 9 +116.33 ± 10.89
ncm-dbt-03 06:55:55 588087 3992 1356 675 1961 +59.85 ± 5.04 1 182 950 861 2 +123.29 ± 11.02
ncm-dbt-04 06:56:18 565533 3996 1376 659 1961 +63.02 ± 5.11 2 174 939 871 12 +128.5 ± 11.09
ncm-dbt-05 06:55:43 583279 4000 1368 736 1896 +55.36 ± 5.18 2 204 968 812 14 +111.37 ± 10.92
20000 6824 3449 9727 +59.2 ± 2.28 10 917 4808 4218 47 +120.59 ± 4.89

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
372058 ncm-dbt-01 586646 4 1 0 3 +88.51 ± 137.63 0 0 1 1 0 +190.5 ± 634.21 ↓
372057 ncm-dbt-02 588089 8 4 3 1 +43.58 ± 76.58 0 0 3 1 0 +88.62 ± 172.94 ↓
372056 ncm-dbt-03 588899 492 159 84 249 +53.38 ± 14.33 0 25 121 100 0 +109.4 ± 30.95 ↓
372055 ncm-dbt-04 565508 496 169 81 246 +62.3 ± 13.81 0 19 122 107 0 +128.89 ± 30.69 ↓
372054 ncm-dbt-05 584916 500 157 87 256 +48.96 ± 13.65 0 23 134 93 0 +99.95 ± 29.1 ↓
372053 ncm-dbt-02 588430 500 160 103 237 +39.78 ± 14.48 2 26 136 85 1 +82.1 ± 28.94 ↓
372052 ncm-dbt-01 583405 500 171 74 255 +68.27 ± 15.08 0 25 105 118 2 +138.99 ± 33.37 ↓
372051 ncm-dbt-04 565705 500 170 86 244 +58.93 ± 14.83 0 25 119 103 3 +116.78 ± 31.26 ↓
372050 ncm-dbt-03 588430 500 176 78 246 +68.99 ± 13.71 0 17 118 115 0 +143.89 ± 31.26 ↓
372049 ncm-dbt-05 582569 500 163 99 238 +44.72 ± 15.41 2 31 119 97 1 +92.46 ± 31.31 ↓
372048 ncm-dbt-02 585759 500 170 92 238 +54.65 ± 14.63 0 28 116 106 0 +112.14 ± 31.71 ↓
372047 ncm-dbt-01 581028 500 173 97 230 +53.22 ± 13.0 0 17 140 93 0 +109.07 ± 28.05 ↓
372046 ncm-dbt-04 565508 500 180 78 242 +71.88 ± 14.53 0 20 110 118 2 +147.19 ± 32.57 ↓
372045 ncm-dbt-03 586858 500 178 93 229 +59.64 ± 13.61 0 18 130 101 1 +121.46 ± 29.51 ↓
372044 ncm-dbt-02 586731 500 169 87 244 +57.5 ± 13.94 0 22 124 104 0 +118.33 ± 30.49 ↓
372043 ncm-dbt-05 582360 500 177 85 238 +64.66 ± 14.39 0 22 115 112 1 +132.54 ± 31.82 ↓
372042 ncm-dbt-01 586054 500 159 86 255 +51.09 ± 14.72 1 25 126 96 2 +102.97 ± 30.28 ↓
372041 ncm-dbt-04 565548 500 171 88 241 +58.21 ± 13.97 0 21 126 102 1 +118.33 ± 30.18 ↓
372040 ncm-dbt-03 588941 500 169 86 245 +58.21 ± 14.66 0 27 113 110 0 +119.89 ± 32.15 ↓
372039 ncm-dbt-02 587282 500 175 83 242 +64.66 ± 15.07 1 21 117 107 4 +129.35 ± 31.52 ↓
372038 ncm-dbt-01 586520 500 178 76 246 +71.88 ± 13.81 0 16 117 116 1 +148.85 ± 31.38 ↓
372037 ncm-dbt-05 585211 500 179 94 227 +59.64 ± 14.86 0 26 115 107 2 +119.89 ± 31.85 ↓
372036 ncm-dbt-03 584832 500 168 75 257 +65.38 ± 14.29 0 22 113 115 0 +135.76 ± 32.12 ↓
372035 ncm-dbt-04 565115 500 174 92 234 +57.5 ± 15.67 0 31 110 105 4 +112.14 ± 32.58 ↓
372034 ncm-dbt-02 588643 500 167 69 264 +68.99 ± 15.11 1 21 110 115 3 +140.62 ± 32.58 ↓
372033 ncm-dbt-05 584622 500 167 100 233 +46.84 ± 15.64 0 34 120 91 5 +88.0 ± 31.17 ↓
372032 ncm-dbt-01 586562 500 173 91 236 +57.5 ± 13.8 0 19 132 97 2 +115.23 ± 29.26 ↓
372031 ncm-dbt-03 589283 500 162 85 253 +53.93 ± 14.86 0 30 113 107 0 +110.6 ± 32.15 ↓
372030 ncm-dbt-04 564840 500 178 80 242 +68.99 ± 14.0 1 16 117 116 0 +145.54 ± 31.41 ↓
372029 ncm-dbt-02 588004 500 164 79 257 +59.64 ± 14.46 0 25 115 110 0 +123.02 ± 31.84 ↓
372028 ncm-dbt-01 584453 500 179 86 235 +65.38 ± 14.7 0 24 110 115 1 +134.15 ± 32.59 ↓
372027 ncm-dbt-05 579166 500 170 84 246 +60.36 ± 14.49 0 23 120 105 2 +121.46 ± 31.09 ↓
372026 ncm-dbt-04 565272 500 168 71 261 +68.27 ± 13.97 1 14 124 109 2 +140.62 ± 30.27 ↓
372025 ncm-dbt-03 588984 500 180 91 229 +62.51 ± 13.74 1 16 126 107 0 +130.94 ± 30.05 ↓
372024 ncm-dbt-02 589539 500 176 89 235 +61.07 ± 14.52 0 24 116 109 1 +124.6 ± 31.69 ↓
372023 ncm-dbt-01 585801 500 178 83 239 +66.82 ± 13.77 0 17 122 110 1 +137.37 ± 30.65 ↓
372022 ncm-dbt-05 580489 500 188 99 213 +62.51 ± 14.58 0 24 114 111 1 +127.76 ± 31.99 ↓
372021 ncm-dbt-03 588472 500 164 83 253 +56.78 ± 14.73 0 27 116 106 1 +115.23 ± 31.71 ↓
372020 ncm-dbt-04 566770 500 166 83 251 +58.21 ± 14.79 0 28 111 111 0 +119.89 ± 32.44 ↓
372019 ncm-dbt-05 586901 500 167 88 245 +55.36 ± 13.98 0 21 131 96 2 +110.6 ± 29.47 ↓
372018 ncm-dbt-02 591211 500 156 84 260 +50.38 ± 13.58 0 22 134 94 0 +102.97 ± 29.07 ↓
372017 ncm-dbt-01 583405 500 171 97 232 +51.8 ± 14.22 0 25 127 97 1 +104.49 ± 30.12 ↓

Commit

Commit ID ce99b4b2ef74d09499f35f09bc33102d203791cd
Author Jasper Shovelton
Date 2023-09-29 20:07:10 UTC
Increment minor section number from 3.7.1 to 3.8.1. Pext has nothing to do with git commit sha/date, so separate the two sub-sections. closes https://github.com/official-stockfish/Stockfish/pull/4785 No functional change
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