Dev Builds » 20210628-1912

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 06:55:39 582705 4014 486 1567 1961 -95.93 ± 5.05 37 1101 775 94 0 -200.33 ± 12.22
ncm-dbt-02 06:55:39 586157 3996 514 1577 1905 -94.7 ± 5.07 30 1106 759 103 0 -198.82 ± 12.36
ncm-dbt-03 06:54:48 585671 4000 488 1530 1982 -92.64 ± 5.13 24 1113 746 115 2 -195.51 ± 12.47
ncm-dbt-04 06:55:56 567558 3990 457 1532 2001 -95.98 ± 4.99 27 1112 766 89 1 -203.02 ± 12.29
ncm-dbt-05 06:54:00 581817 4000 488 1535 1977 -93.11 ± 5.06 28 1096 771 105 0 -195.28 ± 12.26
20000 2433 7741 9826 -94.47 ± 2.26 146 5528 3817 506 3 -198.58 ± 5.51

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
445219 ncm-dbt-01 580821 14 1 5 8 -102.04 ± 70.73 0 4 3 0 0 -225.59 ± 263.0
445218 ncm-dbt-02 583950 496 64 204 228 -100.8 ± 13.92 6 135 100 7 0 -210.06 ± 33.92
445217 ncm-dbt-04 566809 490 62 198 230 -99.03 ± 14.49 2 146 83 14 0 -213.33 ± 37.63
445216 ncm-dbt-03 586520 500 66 191 243 -88.74 ± 14.57 5 129 102 14 0 -181.7 ± 33.83
445215 ncm-dbt-05 580199 500 64 192 244 -90.96 ± 13.56 3 131 107 9 0 -190.85 ± 32.75
445214 ncm-dbt-01 581402 500 63 205 232 -101.46 ± 14.32 7 137 97 9 0 -209.91 ± 34.63
445213 ncm-dbt-02 587070 500 81 186 233 -74.06 ± 15.01 3 121 104 22 0 -150.51 ± 33.54
445212 ncm-dbt-04 567442 500 45 175 280 -92.46 ± 14.05 3 135 102 9 1 -196.45 ± 33.71
445211 ncm-dbt-03 583824 500 55 203 242 -106.01 ± 13.72 3 151 87 9 0 -230.16 ± 36.73
445210 ncm-dbt-05 581070 500 60 195 245 -96.19 ± 13.8 1 145 92 12 0 -207.95 ± 35.71
445209 ncm-dbt-01 583740 500 54 200 246 -104.49 ± 13.88 3 150 87 10 0 -226.0 ± 36.75
445208 ncm-dbt-02 586562 500 64 195 241 -93.2 ± 14.21 1 144 90 15 0 -200.24 ± 36.12
445207 ncm-dbt-03 585548 500 57 190 253 -94.69 ± 14.09 1 145 90 14 0 -204.07 ± 36.13
445206 ncm-dbt-04 568713 500 66 192 242 -89.48 ± 14.44 4 132 100 14 0 -185.33 ± 34.19
445205 ncm-dbt-05 584369 500 58 198 244 -99.95 ± 13.84 3 144 93 10 0 -213.85 ± 35.47
445204 ncm-dbt-01 582193 500 64 201 235 -97.69 ± 14.73 9 129 102 10 0 -196.45 ± 33.71
445203 ncm-dbt-03 585464 500 58 184 258 -89.48 ± 14.88 2 141 88 19 0 -189.0 ± 36.45
445202 ncm-dbt-02 586181 500 51 184 265 -94.69 ± 14.54 1 148 84 17 0 -204.07 ± 37.33
445201 ncm-dbt-04 567601 500 54 193 253 -99.2 ± 14.3 7 134 100 9 0 -204.07 ± 34.04
445200 ncm-dbt-05 581902 500 59 187 254 -90.96 ± 14.62 4 135 96 15 0 -189.0 ± 34.95
445199 ncm-dbt-01 582736 500 61 195 244 -95.44 ± 15.13 5 141 87 17 0 -198.34 ± 36.7
445198 ncm-dbt-03 584916 500 69 191 240 -86.52 ± 14.52 3 131 102 13 1 -181.7 ± 33.83
445197 ncm-dbt-02 586562 500 60 201 239 -100.7 ± 14.01 3 146 90 11 0 -215.85 ± 36.11
445196 ncm-dbt-04 565981 500 59 192 249 -94.69 ± 13.62 4 133 105 8 0 -198.34 ± 33.06
445195 ncm-dbt-05 578959 500 57 185 258 -90.96 ± 14.17 2 138 96 14 0 -192.71 ± 34.94
445194 ncm-dbt-01 583908 500 59 191 250 -93.95 ± 14.53 5 135 97 13 0 -194.57 ± 34.74
445193 ncm-dbt-03 584748 500 52 192 256 -99.95 ± 14.15 3 146 89 12 0 -213.85 ± 36.34
445192 ncm-dbt-04 569151 500 63 191 246 -90.97 ± 14.18 0 144 90 16 0 -196.45 ± 36.11
445191 ncm-dbt-02 585801 500 60 194 246 -95.44 ± 14.4 7 130 103 10 0 -194.57 ± 33.53
445190 ncm-dbt-05 583656 500 62 194 244 -93.95 ± 13.92 2 140 96 12 0 -200.24 ± 34.91
445189 ncm-dbt-01 582068 500 61 186 253 -88.74 ± 14.13 2 135 99 14 0 -187.16 ± 34.38
445188 ncm-dbt-02 584832 500 75 208 217 -94.69 ± 13.3 5 128 112 5 0 -196.45 ± 31.58
445187 ncm-dbt-03 586520 500 63 181 256 -83.57 ± 14.88 2 133 97 17 1 -176.33 ± 34.76
445186 ncm-dbt-05 581569 500 65 191 244 -89.48 ± 14.88 7 126 103 14 0 -179.9 ± 33.65
445185 ncm-dbt-04 566493 500 57 196 247 -99.2 ± 13.99 2 147 89 12 0 -213.85 ± 36.34
445184 ncm-dbt-01 583196 500 69 189 242 -85.04 ± 13.13 2 124 116 8 0 -178.11 ± 31.15
445183 ncm-dbt-02 588302 500 59 205 236 -104.49 ± 14.96 4 154 76 16 0 -223.94 ± 39.17
445182 ncm-dbt-03 587834 500 68 198 234 -92.45 ± 15.08 5 137 91 17 0 -190.85 ± 35.9
445181 ncm-dbt-04 568275 500 51 195 254 -102.97 ± 13.71 5 141 97 7 0 -217.85 ± 34.53
445180 ncm-dbt-05 582819 500 63 193 244 -92.45 ± 15.5 6 137 88 19 0 -189.0 ± 36.45
445179 ncm-dbt-01 584285 500 54 195 251 -100.7 ± 14.47 4 146 87 13 0 -213.85 ± 36.76

Commit

Commit ID e47b74457ef12ff28ced317fef942cfad18b18a0
Author bmc4
Date 2021-06-28 19:12:04 UTC
Simplify Reductions Initialization passed STC: LLR: 2.94 (-2.94,2.94) <-2.50,0.50> Total: 45032 W: 3600 L: 3518 D: 37914 Ptnml(0-2): 111, 2893, 16435, 2957, 120 https://tests.stockfishchess.org/tests/view/60d2655d40925195e7a6c527 LTC: LLR: 3.00 (-2.94,2.94) <-2.50,0.50> Total: 25728 W: 786 L: 722 D: 24220 Ptnml(0-2): 5, 650, 11494, 706, 9 https://tests.stockfishchess.org/tests/view/60d2b14240925195e7a6c577 closes https://github.com/official-stockfish/Stockfish/pull/3584 bench: 4602977
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