Dev Builds » 20231210-2218

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 06:56:04 585077 4000 1418 675 1907 +65.29 ± 5.16 2 174 917 893 14 +133.14 ± 11.23
ncm-dbt-02 06:56:04 585749 4000 1414 664 1922 +65.92 ± 5.1 2 170 911 910 7 +135.96 ± 11.27
ncm-dbt-03 06:55:41 586983 4000 1411 712 1877 +61.34 ± 4.92 1 157 989 848 5 +125.98 ± 10.75
ncm-dbt-04 06:55:56 571295 4000 1371 633 1996 +64.84 ± 5.04 2 167 925 903 3 +134.35 ± 11.17
ncm-dbt-05 06:56:05 584395 4000 1396 658 1946 +64.84 ± 5.11 3 167 931 887 12 +132.74 ± 11.13
20000 7010 3342 9648 +64.45 ± 2.27 10 835 4673 4441 41 +132.42 ± 4.97

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
402766 ncm-dbt-01 586266 500 174 88 238 +60.36 ± 14.49 0 23 120 105 2 +121.46 ± 31.09 ↓
402765 ncm-dbt-05 583070 500 179 100 221 +55.36 ± 14.53 1 24 120 105 0 +115.23 ± 31.11 ↓
402764 ncm-dbt-02 585548 500 185 81 234 +73.33 ± 14.3 0 19 109 121 1 +152.18 ± 32.72 ↓
402763 ncm-dbt-03 585717 500 191 82 227 +76.98 ± 13.53 1 10 119 119 1 +162.35 ± 30.85 ↓
402762 ncm-dbt-04 571752 500 165 73 262 +64.66 ± 14.26 0 21 117 111 1 +132.54 ± 31.5 ↓
402761 ncm-dbt-01 582861 500 161 85 254 +53.22 ± 14.15 1 22 127 100 0 +110.6 ± 30.08 ↓
402760 ncm-dbt-02 587113 500 185 69 246 +82.1 ± 13.52 0 13 108 129 0 +174.55 ± 32.75 ↓
402759 ncm-dbt-05 587155 500 179 90 231 +62.51 ± 14.31 0 23 115 112 0 +129.35 ± 31.83 ↓
402758 ncm-dbt-04 569549 500 161 76 263 +59.64 ± 14.04 1 19 124 106 0 +124.6 ± 30.44 ↓
402757 ncm-dbt-03 586477 500 179 90 231 +62.51 ± 13.45 0 17 127 106 0 +129.35 ± 29.91 ↓
402756 ncm-dbt-01 586266 500 186 86 228 +70.43 ± 14.34 0 20 111 118 1 +145.54 ± 32.41 ↓
402755 ncm-dbt-02 585211 500 168 81 251 +61.07 ± 14.65 0 25 114 110 1 +124.6 ± 31.99 ↓
402754 ncm-dbt-05 586689 500 165 85 250 +56.07 ± 14.15 0 23 125 101 1 +113.68 ± 30.37 ↓
402753 ncm-dbt-03 585169 500 177 93 230 +58.93 ± 13.58 0 17 134 97 2 +118.33 ± 28.9 ↓
402752 ncm-dbt-04 569829 500 177 79 244 +68.99 ± 14.56 0 22 109 118 1 +142.26 ± 32.74 ↓
402751 ncm-dbt-01 584117 500 179 86 235 +65.38 ± 14.83 0 24 111 113 2 +132.54 ± 32.44 ↓
402750 ncm-dbt-02 587197 500 181 82 237 +69.71 ± 13.88 0 18 115 117 0 +145.54 ± 31.75 ↓
402749 ncm-dbt-05 586393 500 170 81 249 +62.51 ± 14.85 1 24 110 115 0 +130.94 ± 32.59 ↓
402748 ncm-dbt-03 586604 500 162 78 260 +58.93 ± 13.72 0 19 129 101 1 +119.89 ± 29.69 ↓
402747 ncm-dbt-04 569430 500 182 75 243 +75.52 ± 13.94 0 17 109 124 0 +158.93 ± 32.69 ↓
402746 ncm-dbt-01 583656 500 164 73 263 +63.94 ± 14.5 0 22 117 109 2 +129.35 ± 31.52 ↓
402745 ncm-dbt-05 585717 500 180 62 258 +83.57 ± 13.87 0 11 114 121 4 +171.02 ± 31.66 ↓
402744 ncm-dbt-02 581111 500 174 91 235 +58.21 ± 14.93 0 27 115 106 2 +116.78 ± 31.85 ↓
402743 ncm-dbt-03 587579 500 180 101 219 +55.36 ± 13.98 0 23 125 102 0 +113.68 ± 30.37 ↓
402742 ncm-dbt-04 569909 500 155 68 277 +61.07 ± 14.24 0 23 117 110 0 +126.18 ± 31.53 ↓
402741 ncm-dbt-01 584495 500 189 93 218 +67.54 ± 15.18 0 26 104 118 2 +137.37 ± 33.52 ↓
402740 ncm-dbt-05 584117 500 163 75 262 +61.79 ± 14.27 0 21 122 105 2 +124.6 ± 30.76 ↓
402739 ncm-dbt-03 586097 500 178 87 235 +63.95 ± 14.37 0 23 113 114 0 +132.54 ± 32.13 ↓
402738 ncm-dbt-04 572759 500 186 89 225 +68.27 ± 14.67 1 21 108 120 0 +143.89 ± 32.9 ↓
402737 ncm-dbt-02 586689 500 167 81 252 +60.36 ± 13.93 0 21 122 107 0 +124.6 ± 30.76 ↓
402736 ncm-dbt-01 586097 500 184 89 227 +66.82 ± 14.89 0 24 109 115 2 +135.76 ± 32.75 ↓
402735 ncm-dbt-02 587409 500 182 81 237 +71.16 ± 15.18 1 21 107 118 3 +145.54 ± 33.06 ↓
402734 ncm-dbt-03 588899 500 162 79 259 +58.21 ± 14.39 0 25 117 108 0 +119.89 ± 31.55 ↓
402733 ncm-dbt-04 572719 500 176 90 234 +60.36 ± 14.35 0 24 116 110 0 +124.6 ± 31.69 ↓
402732 ncm-dbt-05 579661 500 178 81 241 +68.27 ± 14.54 0 20 116 111 3 +137.37 ± 31.63 ↓
402731 ncm-dbt-01 586858 500 181 75 244 +74.79 ± 14.2 1 13 118 115 3 +153.86 ± 31.15 ↓
402730 ncm-dbt-04 574419 500 169 83 248 +60.36 ± 13.93 0 20 125 104 1 +123.02 ± 30.3 ↓
402729 ncm-dbt-02 585717 500 172 98 230 +51.8 ± 14.62 1 26 121 102 0 +107.54 ± 30.99 ↓
402728 ncm-dbt-05 582360 500 182 84 234 +68.99 ± 14.97 1 21 109 117 2 +142.26 ± 32.74 ↓
402727 ncm-dbt-03 589326 500 182 102 216 +56.07 ± 14.15 0 23 125 101 1 +113.68 ± 30.37 ↓

Commit

Commit ID 8724503d9c8f15f9185bd4394e425e809f3992c1
Author ppigazzini
Date 2023-12-10 22:18:21 UTC
Simplify the code to get the native flags closes https://github.com/official-stockfish/Stockfish/pull/4908 No functional change
Copyright 2011–2025 Next Chess Move LLC
Feedback & Support Terms of Service Privacy Policy Desktop Version