Dev Builds » 20211201-1655

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 06:51:38 582472 3998 778 1231 1989 -39.54 ± 5.19 14 686 1041 255 3 -78.11 ± 10.51
ncm-dbt-02 06:52:37 586093 4016 849 1222 1945 -32.36 ± 5.24 12 649 1052 290 5 -64.04 ± 10.46
ncm-dbt-03 06:51:45 585656 3980 809 1212 1959 -35.3 ± 5.32 15 668 1015 289 3 -69.16 ± 10.67
ncm-dbt-04 06:51:51 567264 4008 801 1212 1995 -35.75 ± 5.18 11 668 1048 275 2 -70.65 ± 10.48
ncm-dbt-05 06:53:26 580158 3998 822 1240 1936 -36.46 ± 5.21 6 691 1019 281 2 -73.01 ± 10.65
20000 4059 6117 9824 -35.88 ± 2.34 58 3362 5175 1390 15 -70.98 ± 4.72

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
435276 ncm-dbt-04 568593 8 2 3 3 -43.58 ± 76.58 0 1 3 0 0 -88.62 ± 172.94
435275 ncm-dbt-02 586774 16 3 8 5 -112.26 ± 65.75 0 5 3 0 0 -254.61 ± 287.37
435274 ncm-dbt-03 583028 480 92 142 246 -36.32 ± 15.69 1 85 119 33 2 -74.97 ± 31.28
435273 ncm-dbt-01 581902 498 90 158 250 -47.74 ± 15.24 4 91 123 31 0 -91.35 ± 30.74
435272 ncm-dbt-05 579537 498 112 152 234 -27.97 ± 14.15 0 75 140 33 1 -57.73 ± 28.49
435271 ncm-dbt-04 564762 500 107 164 229 -39.78 ± 15.74 6 82 125 37 0 -71.89 ± 30.51
435270 ncm-dbt-02 587028 500 110 145 245 -24.36 ± 14.76 1 75 132 42 0 -47.55 ± 29.63
435269 ncm-dbt-03 586181 500 98 153 249 -38.37 ± 14.79 1 87 129 32 1 -77.71 ± 29.96
435268 ncm-dbt-01 578259 500 116 162 222 -32.05 ± 15.52 3 82 123 42 0 -60.36 ± 30.78
435267 ncm-dbt-05 580862 500 91 148 261 -39.78 ± 14.48 1 87 130 32 0 -79.17 ± 29.81
435266 ncm-dbt-04 568395 500 87 160 253 -51.09 ± 13.48 1 91 138 20 0 -102.97 ± 28.45
435265 ncm-dbt-02 585928 500 122 160 218 -26.46 ± 14.65 2 71 142 33 2 -53.22 ± 28.26
435264 ncm-dbt-03 586477 500 99 158 243 -41.19 ± 15.46 3 90 120 37 0 -79.17 ± 31.18
435263 ncm-dbt-01 584369 500 93 159 248 -46.13 ± 14.72 3 88 132 26 1 -90.97 ± 29.47
435262 ncm-dbt-05 583154 500 106 154 240 -33.46 ± 14.99 0 88 122 40 0 -67.55 ± 30.91
435261 ncm-dbt-04 568832 500 105 156 239 -35.56 ± 14.48 0 86 129 35 0 -71.89 ± 29.97
435260 ncm-dbt-02 586139 500 109 142 249 -22.96 ± 16.0 1 83 115 50 1 -46.13 ± 31.78
435259 ncm-dbt-03 584790 500 111 148 241 -25.76 ± 15.11 1 79 126 44 0 -50.38 ± 30.4
435258 ncm-dbt-01 579909 500 100 154 246 -37.67 ± 13.67 0 82 140 28 0 -76.25 ± 28.4
435257 ncm-dbt-05 579951 500 104 153 243 -34.16 ± 15.04 1 86 124 39 0 -67.55 ± 30.65
435256 ncm-dbt-04 564723 500 89 138 273 -34.16 ± 14.52 1 82 132 35 0 -67.55 ± 29.58
435255 ncm-dbt-02 587579 500 97 140 263 -29.95 ± 15.26 3 78 128 41 0 -56.07 ± 30.14
435254 ncm-dbt-03 584958 500 90 144 266 -37.67 ± 14.87 3 82 131 34 0 -71.89 ± 29.7
435253 ncm-dbt-01 584832 500 98 139 263 -28.55 ± 14.28 0 78 135 37 0 -57.5 ± 29.2
435252 ncm-dbt-05 574662 500 115 156 229 -28.55 ± 15.17 1 82 124 43 0 -56.07 ± 30.66
435251 ncm-dbt-04 569709 500 98 142 260 -30.65 ± 15.06 2 80 128 40 0 -58.93 ± 30.13
435250 ncm-dbt-02 585717 500 95 152 253 -39.78 ± 14.08 1 83 139 26 1 -80.63 ± 28.52
435249 ncm-dbt-03 586901 500 104 150 246 -32.05 ± 15.03 3 78 131 38 0 -60.36 ± 29.73
435248 ncm-dbt-01 582819 500 101 167 232 -46.13 ± 14.72 3 88 132 26 1 -90.97 ± 29.47
435247 ncm-dbt-05 583321 500 96 155 249 -41.19 ± 14.3 0 89 132 28 1 -85.04 ± 29.5
435246 ncm-dbt-04 566336 500 96 130 274 -23.66 ± 14.71 1 72 139 36 2 -48.96 ± 28.69
435245 ncm-dbt-02 584916 500 102 156 242 -37.67 ± 13.95 0 84 136 30 0 -76.25 ± 28.98
435244 ncm-dbt-01 584076 500 100 147 253 -32.76 ± 14.82 1 82 131 35 1 -66.1 ± 29.72
435243 ncm-dbt-03 587707 500 111 151 238 -27.85 ± 14.49 1 76 135 38 0 -54.65 ± 29.21
435242 ncm-dbt-05 579166 500 98 165 237 -46.84 ± 15.14 1 99 116 34 0 -93.95 ± 31.72
435241 ncm-dbt-04 569111 500 107 152 241 -31.35 ± 14.86 0 85 125 40 0 -63.23 ± 30.52
435240 ncm-dbt-02 585970 500 101 150 249 -34.16 ± 15.16 2 84 125 39 0 -66.1 ± 30.52
435239 ncm-dbt-01 583614 500 80 145 275 -45.42 ± 14.41 0 95 125 30 0 -92.46 ± 30.47
435238 ncm-dbt-03 585211 500 104 166 230 -43.3 ± 14.95 2 91 124 33 0 -85.04 ± 30.63
435237 ncm-dbt-04 564919 500 110 167 223 -39.78 ± 14.35 0 89 129 32 0 -80.63 ± 29.95
435236 ncm-dbt-05 580613 500 100 157 243 -39.78 ± 14.61 2 85 131 32 0 -77.71 ± 29.68
435235 ncm-dbt-02 584790 500 110 169 221 -41.19 ± 14.7 2 86 132 29 1 -82.1 ± 29.52

Commit

Commit ID 282644f1413db0ccb58e2e1793d5007c58ff8ce2
Author pb00067
Date 2021-12-01 16:55:23 UTC
Remove depth dependence and use same limit (2000) as stat_bonus STC: https://tests.stockfishchess.org/tests/view/619df59dc0a4ea18ba95a424 LLR: 2.96 (-2.94,2.94) <-2.25,0.25> Total: 83728 W: 21329 L: 21242 D: 41157 Ptnml(0-2): 297, 9669, 21847, 9752, 299 LTC: https://tests.stockfishchess.org/tests/view/619e64d7c0a4ea18ba95a475 LLR: 2.94 (-2.94,2.94) <-2.25,0.25> Total: 79888 W: 20238 L: 20155 D: 39495 Ptnml(0-2): 57, 8391, 22980, 8444, 73 closes https://github.com/official-stockfish/Stockfish/pull/3806 bench: 6792010
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