Dev Builds » 20231219-1722

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 06:54:49 572324 4000 1410 649 1941 +66.91 ± 5.12 1 169 910 908 12 +136.97 ± 11.27
ncm-dbt-02 06:54:44 573165 4004 1441 626 1937 +71.72 ± 5.05 3 144 900 945 10 +148.68 ± 11.32
ncm-dbt-03 06:54:16 583753 4000 1412 648 1940 +67.19 ± 5.05 4 154 923 912 7 +139.2 ± 11.18
ncm-dbt-04 06:54:17 568321 4000 1422 660 1918 +67.01 ± 5.13 2 168 907 912 11 +137.58 ± 11.29
ncm-dbt-05 06:55:14 578763 3996 1384 629 1983 +66.44 ± 5.0 3 150 940 899 6 +137.53 ± 11.06
20000 7069 3212 9719 +67.85 ± 2.27 13 785 4580 4576 46 +139.97 ± 5.02

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
421182 ncm-dbt-02 481848 24 6 3 15 +43.65 ± 73.21 0 2 5 5 0 +88.74 ± 164.95 ↓
421181 ncm-dbt-01 582235 270 88 42 140 +59.77 ± 19.86 0 13 64 57 1 +120.41 ± 42.75 ↓
421180 ncm-dbt-05 584664 496 179 84 233 +67.38 ± 14.02 0 16 124 105 3 +135.34 ± 30.29 ↓
421179 ncm-dbt-04 567958 500 176 70 254 +74.79 ± 13.76 0 16 112 122 0 +157.24 ± 32.18 ↓
421178 ncm-dbt-03 583950 500 187 84 229 +72.61 ± 13.84 0 17 113 120 0 +152.18 ± 32.04 ↓
421177 ncm-dbt-02 586097 480 177 76 227 +74.21 ± 14.59 0 17 107 114 2 +152.39 ± 32.97 ↓
421176 ncm-dbt-01 583824 500 179 85 236 +66.1 ± 15.0 0 25 108 115 2 +134.15 ± 32.9 ↓
421175 ncm-dbt-05 580489 500 177 74 249 +72.61 ± 13.69 0 16 115 119 0 +152.18 ± 31.7 ↓
421174 ncm-dbt-03 585717 500 171 96 233 +52.51 ± 14.11 0 25 125 100 0 +107.54 ± 30.4 ↓
421173 ncm-dbt-04 570308 500 186 83 231 +72.61 ± 14.55 1 16 115 115 3 +148.85 ± 31.72 ↓
421172 ncm-dbt-02 582277 500 179 82 239 +68.27 ± 13.97 1 14 124 109 2 +140.62 ± 30.27 ↓
421171 ncm-dbt-01 495022 500 160 84 256 +53.22 ± 15.96 1 33 108 105 3 +106.01 ± 32.84 ↓
421170 ncm-dbt-05 576905 500 176 72 252 +73.33 ± 13.42 0 12 124 112 2 +150.51 ± 30.13 ↓
421169 ncm-dbt-03 581194 500 170 82 248 +61.79 ± 14.41 0 23 117 109 1 +126.18 ± 31.53 ↓
421168 ncm-dbt-04 569549 500 189 85 226 +73.34 ± 14.44 1 18 107 124 0 +155.54 ± 33.04 ↓
421167 ncm-dbt-01 581610 230 87 38 105 +75.17 ± 21.99 0 11 44 60 0 +158.12 ± 51.81 ↓
421166 ncm-dbt-02 585717 500 190 77 233 +79.9 ± 14.07 0 16 106 127 1 +167.53 ± 33.17 ↓
421165 ncm-dbt-05 580199 500 172 71 257 +71.16 ± 14.36 0 21 107 122 0 +148.85 ± 33.05 ↓
421164 ncm-dbt-04 567363 500 175 81 244 +66.1 ± 14.31 0 22 112 116 0 +137.37 ± 32.27 ↓
421163 ncm-dbt-03 584117 500 175 76 249 +69.71 ± 13.44 0 14 124 111 1 +143.89 ± 30.23 ↓
421162 ncm-dbt-01 581153 500 173 73 254 +70.43 ± 13.62 0 15 121 113 1 +145.54 ± 30.73 ↓
421161 ncm-dbt-02 585632 500 177 74 249 +72.61 ± 13.99 0 17 114 118 1 +150.51 ± 31.88 ↓
421160 ncm-dbt-05 579124 500 175 83 242 +64.66 ± 13.54 0 17 124 109 0 +134.15 ± 30.35 ↓
421159 ncm-dbt-04 567482 500 176 84 240 +64.66 ± 14.4 0 23 112 115 0 +134.15 ± 32.28 ↓
421158 ncm-dbt-01 579083 500 185 79 236 +74.79 ± 14.06 0 16 114 118 2 +153.86 ± 31.85 ↓
421157 ncm-dbt-03 584706 500 181 77 242 +73.34 ± 14.3 1 16 112 120 1 +153.86 ± 32.2 ↓
421156 ncm-dbt-02 581735 500 185 87 228 +68.99 ± 14.7 1 20 110 118 1 +143.89 ± 32.58 ↓
421155 ncm-dbt-04 567958 500 156 85 259 +49.67 ± 15.03 0 32 116 101 1 +99.95 ± 31.72 ↓
421154 ncm-dbt-01 581444 500 180 84 236 +67.54 ± 14.37 0 20 116 112 2 +137.37 ± 31.63 ↓
421153 ncm-dbt-05 573932 500 164 89 247 +52.51 ± 14.11 1 22 128 99 0 +109.07 ± 29.94 ↓
421152 ncm-dbt-03 583028 500 183 83 234 +70.44 ± 15.29 1 23 103 121 2 +145.54 ± 33.69 ↓
421151 ncm-dbt-02 583405 500 177 92 231 +59.64 ± 14.59 0 25 116 108 1 +121.46 ± 31.7 ↓
421150 ncm-dbt-04 567363 500 181 89 230 +64.66 ± 15.33 0 26 110 110 4 +127.76 ± 32.59 ↓
421149 ncm-dbt-05 577479 500 176 80 244 +67.55 ± 14.65 1 20 112 116 1 +140.62 ± 32.26 ↓
421148 ncm-dbt-01 580199 500 186 74 240 +79.17 ± 14.19 0 18 102 130 0 +167.53 ± 33.88 ↓
421147 ncm-dbt-02 584832 500 172 67 261 +74.06 ± 14.32 0 19 108 122 1 +153.86 ± 32.88 ↓
421146 ncm-dbt-03 584411 500 173 69 258 +73.34 ± 14.72 2 16 109 122 1 +155.54 ± 32.7 ↓
421145 ncm-dbt-04 568593 500 183 83 234 +70.43 ± 13.91 0 15 123 109 3 +142.26 ± 30.43 ↓
421144 ncm-dbt-02 586943 500 178 68 254 +77.71 ± 14.15 1 14 110 124 1 +164.07 ± 32.48 ↓
421143 ncm-dbt-01 586350 500 172 90 238 +57.5 ± 13.51 0 18 133 98 1 +116.78 ± 29.08 ↓
421142 ncm-dbt-03 582903 500 172 81 247 +63.94 ± 14.09 0 20 120 109 1 +130.94 ± 31.03 ↓
421141 ncm-dbt-05 577315 500 165 76 259 +62.51 ± 15.11 1 26 106 117 0 +130.94 ± 33.2 ↓

Commit

Commit ID a069a1bbbfb60abddbe3fe5276b06f35f783f41c
Author FauziAkram
Date 2023-12-19 17:22:10 UTC
Use std::abs over abs closes https://github.com/official-stockfish/Stockfish/pull/4926 closes https://github.com/official-stockfish/Stockfish/pull/4909 No functional change Co-Authored-By: fffelix-huang <72808219+fffelix-huang@users.noreply.github.com>
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