Dev Builds » 20231231-1854

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 06:53:58 583576 4000 1381 660 1959 +63.32 ± 5.0 0 168 948 879 5 +130.15 ± 11.02
ncm-dbt-02 06:54:43 587149 4012 1373 678 1961 +60.8 ± 5.08 1 182 954 859 10 +123.8 ± 11.0
ncm-dbt-03 06:54:14 586595 3998 1390 717 1891 +59.05 ± 5.03 4 169 983 836 7 +121.13 ± 10.8
ncm-dbt-04 06:53:33 571663 4000 1356 694 1950 +58.03 ± 4.99 1 176 989 828 6 +118.53 ± 10.77
ncm-dbt-05 06:55:39 583422 3990 1391 669 1930 +63.57 ± 5.02 4 153 965 863 10 +130.5 ± 10.9
20000 6891 3418 9691 +60.95 ± 2.25 10 848 4839 4265 38 +124.8 ± 4.87

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
392560 ncm-dbt-02 588813 12 5 2 5 +88.66 ± 75.75 0 0 3 3 0 +190.73 ± 238.47
392559 ncm-dbt-05 582360 490 162 90 238 +51.42 ± 14.55 2 20 128 94 1 +106.76 ± 29.86
392558 ncm-dbt-04 572719 500 172 89 239 +58.21 ± 15.06 0 28 113 107 2 +116.78 ± 32.15
392557 ncm-dbt-03 582193 498 148 91 259 +39.94 ± 14.0 0 29 134 86 0 +80.97 ± 29.22
392556 ncm-dbt-01 585042 500 170 83 247 +61.07 ± 14.24 0 23 117 110 0 +126.18 ± 31.53
392555 ncm-dbt-02 585000 500 177 89 234 +61.79 ± 13.85 0 19 125 105 1 +126.18 ± 30.27
392554 ncm-dbt-05 585000 500 178 76 246 +71.88 ± 14.94 0 22 107 118 3 +145.54 ± 33.06
392553 ncm-dbt-03 587792 500 167 82 251 +59.64 ± 14.46 0 24 118 107 1 +121.46 ± 31.39
392552 ncm-dbt-04 571672 500 166 77 257 +62.51 ± 14.85 0 27 107 116 0 +129.35 ± 33.05
392551 ncm-dbt-01 584916 500 172 73 255 +69.71 ± 14.03 0 19 113 118 0 +145.54 ± 32.08
392550 ncm-dbt-02 589240 500 167 86 247 +56.78 ± 14.6 0 27 115 108 0 +116.78 ± 31.85
392549 ncm-dbt-03 585253 500 196 94 210 +71.88 ± 14.39 0 21 106 123 0 +150.51 ± 33.22
392548 ncm-dbt-04 570029 500 168 88 244 +56.07 ± 13.87 0 20 132 96 2 +112.14 ± 29.29
392547 ncm-dbt-05 579083 500 171 75 254 +67.55 ± 13.8 0 18 118 114 0 +140.62 ± 31.28
392546 ncm-dbt-01 585801 500 166 86 248 +56.07 ± 13.73 0 20 131 98 1 +113.68 ± 29.44
392545 ncm-dbt-02 585548 500 178 90 232 +61.79 ± 13.71 0 18 127 104 1 +126.18 ± 29.94
392544 ncm-dbt-03 587707 500 171 82 247 +62.51 ± 14.31 0 22 118 109 1 +127.76 ± 31.37
392543 ncm-dbt-04 571431 500 168 83 249 +59.64 ± 13.61 0 19 127 104 0 +123.02 ± 29.98
392542 ncm-dbt-05 580779 500 163 83 254 +56.07 ± 14.83 1 25 118 105 1 +115.23 ± 31.41
392541 ncm-dbt-01 582193 500 169 75 256 +66.1 ± 14.03 0 19 119 111 1 +135.76 ± 31.16
392540 ncm-dbt-02 585211 500 160 84 256 +53.22 ± 14.56 1 24 124 100 1 +109.07 ± 30.54
392539 ncm-dbt-03 587325 500 185 88 227 +68.27 ± 13.68 0 16 122 111 1 +140.62 ± 30.61
392538 ncm-dbt-04 571712 500 169 95 236 +51.8 ± 14.35 0 27 122 101 0 +106.01 ± 30.85
392537 ncm-dbt-05 583740 500 181 86 233 +66.82 ± 14.2 0 19 119 110 2 +135.76 ± 31.16
392536 ncm-dbt-01 582694 500 171 76 253 +66.82 ± 13.63 0 17 121 112 0 +138.99 ± 30.8
392535 ncm-dbt-02 588941 500 177 91 232 +60.36 ± 14.89 0 26 114 108 2 +121.46 ± 32.0
392534 ncm-dbt-04 573365 500 166 83 251 +58.21 ± 13.69 1 17 130 102 0 +121.46 ± 29.51
392533 ncm-dbt-03 589454 500 181 95 224 +60.36 ± 14.07 1 16 132 98 3 +121.46 ± 29.18
392532 ncm-dbt-02 587792 500 168 80 252 +61.79 ± 14.14 0 22 118 110 0 +127.76 ± 31.37
392531 ncm-dbt-01 582945 500 185 92 223 +65.38 ± 14.7 0 24 110 115 1 +134.15 ± 32.59
392530 ncm-dbt-05 582152 500 183 86 231 +68.27 ± 14.54 1 18 116 113 2 +140.62 ± 31.61
392529 ncm-dbt-04 571230 500 175 84 241 +63.94 ± 13.66 0 16 129 103 2 +129.35 ± 29.58
392528 ncm-dbt-03 585548 500 179 88 233 +63.95 ± 12.91 0 13 133 104 0 +132.54 ± 28.85
392527 ncm-dbt-02 586689 500 168 84 248 +58.93 ± 14.56 0 24 120 104 2 +118.33 ± 31.1
392526 ncm-dbt-01 581194 500 169 92 239 +53.93 ± 14.32 0 26 121 103 0 +110.6 ± 30.98
392525 ncm-dbt-05 587834 500 176 85 239 +63.94 ± 13.06 0 13 134 102 1 +130.94 ± 28.7
392524 ncm-dbt-04 571150 500 172 95 233 +53.93 ± 13.77 0 22 129 99 0 +110.6 ± 29.78
392523 ncm-dbt-03 587494 500 163 97 240 +46.13 ± 15.48 3 28 120 98 1 +96.94 ± 31.16
392522 ncm-dbt-05 586435 500 177 88 235 +62.51 ± 13.59 0 18 125 107 0 +129.35 ± 30.24
392521 ncm-dbt-01 583824 500 179 83 238 +67.54 ± 14.37 0 20 116 112 2 +137.37 ± 31.63
392520 ncm-dbt-02 587113 500 173 72 255 +71.16 ± 14.92 0 22 108 117 3 +143.89 ± 32.9

Commit

Commit ID 833a2e2bc09e3640440766683043134d72bffd51
Author FauziAkram
Date 2023-12-31 18:54:27 UTC
Cleanup comments Tests used to derive some Elo worth comments: https://tests.stockfishchess.org/tests/view/656a7f4e136acbc573555a31 https://tests.stockfishchess.org/tests/view/6585fb455457644dc984620f closes https://github.com/official-stockfish/Stockfish/pull/4945 No functional change
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