Dev Builds » 20240121-1142

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 06:56:01 578260 4000 1469 547 1984 +81.55 ± 4.94 3 107 868 1009 13 +171.02 ± 11.51
ncm-dbt-02 06:54:34 586148 4000 1464 585 1951 +77.61 ± 5.02 2 127 876 980 15 +161.07 ± 11.48
ncm-dbt-03 06:57:04 583571 4002 1495 635 1872 +75.84 ± 4.83 2 107 930 953 9 +158.2 ± 11.07
ncm-dbt-04 06:56:13 568278 3998 1483 610 1905 +77.11 ± 4.98 2 128 871 991 7 +161.59 ± 11.51
ncm-dbt-05 06:56:41 579395 4000 1429 626 1945 +70.71 ± 4.87 3 118 961 909 9 +146.57 ± 10.88
20000 7340 3003 9657 +76.56 ± 2.2 12 587 4506 4842 53 +159.61 ± 5.04

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
419709 ncm-dbt-03 585211 2 1 0 1 +189.7 ± 55.98 0 0 0 1 0 +1129.65 ± 376.02
419708 ncm-dbt-04 570909 498 186 87 225 +70.0 ± 14.22 0 18 116 113 2 +142.89 ± 31.59
419707 ncm-dbt-05 580738 500 177 64 259 +79.9 ± 14.07 1 14 106 129 0 +171.02 ± 33.15
419706 ncm-dbt-01 579661 500 188 78 234 +77.7 ± 13.09 0 9 124 115 2 +160.64 ± 29.94
419705 ncm-dbt-02 587834 500 185 82 233 +72.61 ± 14.27 0 18 113 117 2 +148.85 ± 32.06
419704 ncm-dbt-03 582819 500 191 73 236 +83.57 ± 13.41 0 10 114 124 2 +174.55 ± 31.61
419703 ncm-dbt-04 567284 500 206 77 217 +91.71 ± 13.88 1 11 96 142 0 +200.24 ± 34.91
419702 ncm-dbt-05 580696 500 179 92 229 +61.08 ± 13.96 1 18 124 107 0 +127.76 ± 30.41
419701 ncm-dbt-02 582193 500 195 81 224 +80.63 ± 14.23 1 14 106 128 1 +171.02 ± 33.15
419700 ncm-dbt-01 577356 500 175 73 252 +71.89 ± 14.39 1 16 115 116 2 +148.85 ± 31.72
419699 ncm-dbt-03 582110 500 196 72 232 +88.0 ± 13.66 0 11 106 131 2 +185.33 ± 33.03
419698 ncm-dbt-04 566138 500 183 70 247 +79.9 ± 14.92 0 21 97 130 2 +165.8 ± 34.73
419697 ncm-dbt-02 587197 500 172 84 244 +61.79 ± 14.41 0 23 117 109 1 +126.18 ± 31.53
419696 ncm-dbt-01 578095 500 166 70 264 +67.54 ± 14.51 0 21 114 113 2 +137.37 ± 31.96
419695 ncm-dbt-05 578177 500 188 68 244 +85.04 ± 13.6 1 9 110 129 1 +181.7 ± 32.28
419694 ncm-dbt-03 584706 500 183 85 232 +68.99 ± 13.56 2 9 129 109 1 +145.54 ± 29.32
419693 ncm-dbt-04 568951 500 178 67 255 +78.43 ± 14.31 0 18 104 127 1 +164.07 ± 33.53
419692 ncm-dbt-01 577848 500 189 67 244 +86.52 ± 13.47 0 12 104 134 0 +185.33 ± 33.42
419691 ncm-dbt-05 580365 500 174 78 248 +67.54 ± 14.23 0 19 118 111 2 +137.37 ± 31.31
419690 ncm-dbt-03 582819 500 183 85 232 +68.99 ± 12.8 0 11 130 109 0 +143.89 ± 29.17
419689 ncm-dbt-02 586943 500 182 69 249 +79.9 ± 14.07 0 14 112 121 3 +164.07 ± 32.12
419688 ncm-dbt-04 568196 500 190 84 226 +74.79 ± 14.49 0 19 108 121 2 +153.86 ± 32.88
419687 ncm-dbt-02 586901 500 190 68 242 +86.52 ± 13.78 0 13 103 133 1 +183.51 ± 33.63
419686 ncm-dbt-03 582277 500 178 79 243 +69.71 ± 14.17 0 18 117 113 2 +142.26 ± 31.44
419685 ncm-dbt-05 577643 500 178 85 237 +65.38 ± 13.12 0 13 132 104 1 +134.15 ± 28.99
419684 ncm-dbt-01 577807 500 194 68 238 +89.48 ± 14.44 1 12 100 134 3 +189.0 ± 34.18
419683 ncm-dbt-04 568514 500 182 88 230 +66.11 ± 14.17 1 18 117 114 0 +138.99 ± 31.46
419682 ncm-dbt-02 586350 500 184 69 247 +81.36 ± 14.11 0 13 113 120 4 +165.8 ± 31.92
419681 ncm-dbt-03 581652 500 191 78 231 +79.9 ± 13.77 0 15 107 128 0 +169.27 ± 32.98
419680 ncm-dbt-05 579042 500 170 86 244 +58.93 ± 13.29 0 16 135 98 1 +119.89 ± 28.71
419679 ncm-dbt-01 578918 500 181 63 256 +83.57 ± 14.45 0 16 103 128 3 +172.78 ± 33.69
419678 ncm-dbt-04 568116 500 176 66 258 +77.71 ± 12.94 0 10 120 120 0 +164.07 ± 30.64
419677 ncm-dbt-02 586646 500 180 61 259 +84.3 ± 14.03 0 15 102 132 1 +178.11 ± 33.85
419676 ncm-dbt-03 585084 500 186 83 231 +72.61 ± 13.84 0 17 113 120 0 +152.18 ± 32.04
419675 ncm-dbt-01 578588 500 179 61 260 +83.57 ± 13.56 1 10 109 130 0 +179.9 ± 32.5
419674 ncm-dbt-05 580199 500 181 76 243 +74.06 ± 14.46 0 18 112 117 3 +150.51 ± 32.22
419673 ncm-dbt-04 568116 500 182 71 247 +78.44 ± 13.42 0 13 113 124 0 +165.8 ± 31.92
419672 ncm-dbt-02 585126 500 176 71 253 +74.06 ± 14.6 1 17 110 120 2 +153.86 ± 32.54
419671 ncm-dbt-01 577807 500 197 67 236 +92.45 ± 13.59 0 11 99 139 1 +198.34 ± 34.31
419670 ncm-dbt-03 585464 500 186 80 234 +74.79 ± 14.06 0 16 114 118 2 +153.86 ± 31.85
419669 ncm-dbt-05 578300 500 182 77 241 +74.06 ± 13.14 0 11 124 114 1 +153.86 ± 30.07

Commit

Commit ID ad9fcbc4961229286e5043d984dc172d1b0de052
Author Shahin M. Shahin
Date 2024-01-21 11:42:28 UTC
Refactor get_best_thread Make get_best_thread function easier to understand. Passed non-reg SMP STC: https://tests.stockfishchess.org/tests/view/65a91c6679aa8af82b975500 LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 186000 W: 46379 L: 46325 D: 93296 Ptnml(0-2): 269, 21374, 49634, 21480, 243 closes https://github.com/official-stockfish/Stockfish/pull/5001 No functional change
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