Dev Builds » 20211105-2115

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 06:54:09 576436 3996 720 1301 1975 -50.88 ± 5.14 6 789 986 214 3 -103.46 ± 10.82
ncm-dbt-02 06:52:14 584958 4000 718 1261 2021 -47.46 ± 5.11 9 750 1019 219 3 -95.63 ± 10.62
ncm-dbt-03 06:54:13 584669 4016 763 1311 1942 -47.71 ± 5.28 7 790 960 246 5 -96.91 ± 10.99
ncm-dbt-04 06:54:20 569221 4000 715 1297 1988 -50.91 ± 5.17 9 790 976 224 1 -102.6 ± 10.88
ncm-dbt-05 06:52:08 584395 3988 718 1293 1977 -50.45 ± 5.1 4 784 991 213 2 -102.73 ± 10.78
20000 3634 6463 9903 -49.48 ± 2.31 35 3903 4932 1116 14 -100.25 ± 4.84

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
417677 ncm-dbt-03 584243 16 3 8 5 -112.26 ± 65.75 0 5 3 0 0 -254.61 ± 287.37
417676 ncm-dbt-05 584453 488 100 161 227 -43.66 ± 15.0 0 93 120 30 1 -90.26 ± 31.14
417675 ncm-dbt-01 579413 496 98 165 233 -47.22 ± 15.13 3 92 122 31 0 -91.73 ± 30.88
417674 ncm-dbt-04 569669 500 85 172 243 -61.07 ± 14.52 1 109 116 24 0 -124.6 ± 31.69
417673 ncm-dbt-02 585548 500 83 165 252 -57.5 ± 15.03 2 105 117 25 1 -116.78 ± 31.56
417672 ncm-dbt-03 586097 500 99 163 238 -44.72 ± 13.69 0 89 136 25 0 -90.97 ± 28.88
417671 ncm-dbt-05 580904 500 94 155 251 -42.6 ± 14.52 0 92 128 29 1 -88.0 ± 30.06
417670 ncm-dbt-04 569350 500 93 161 246 -47.55 ± 15.56 1 102 112 34 1 -96.94 ± 32.27
417669 ncm-dbt-01 577643 500 90 160 250 -48.96 ± 14.34 1 95 127 27 0 -98.44 ± 30.15
417668 ncm-dbt-02 587834 500 91 146 263 -38.37 ± 13.86 0 84 137 29 0 -77.71 ± 28.83
417667 ncm-dbt-03 585169 500 107 164 229 -39.78 ± 15.25 0 95 118 36 1 -82.1 ± 31.44
417666 ncm-dbt-05 583656 500 89 166 245 -53.93 ± 14.46 1 101 122 26 0 -109.07 ± 30.84
417665 ncm-dbt-04 567997 500 87 164 249 -53.93 ± 14.05 3 92 134 21 0 -106.01 ± 29.04
417664 ncm-dbt-01 574947 500 88 154 258 -46.13 ± 14.98 0 99 119 31 1 -95.44 ± 31.3
417663 ncm-dbt-02 580987 500 90 154 256 -44.72 ± 14.37 1 90 132 26 1 -90.97 ± 29.47
417662 ncm-dbt-03 585042 500 87 160 253 -51.09 ± 14.98 1 101 119 28 1 -104.49 ± 31.29
417661 ncm-dbt-05 584622 500 90 171 239 -56.78 ± 14.6 1 105 118 26 0 -115.23 ± 31.41
417660 ncm-dbt-04 570348 500 98 148 254 -34.86 ± 14.7 0 87 126 37 0 -70.44 ± 30.38
417659 ncm-dbt-02 585506 500 87 157 256 -48.96 ± 14.07 0 96 128 26 0 -99.95 ± 30.0
417658 ncm-dbt-01 573446 500 79 155 266 -53.22 ± 14.56 0 104 118 28 0 -109.07 ± 31.43
417657 ncm-dbt-03 584958 500 91 172 237 -56.78 ± 15.38 2 107 112 28 1 -115.23 ± 32.29
417656 ncm-dbt-05 584748 500 86 172 242 -60.36 ± 13.93 0 107 122 21 0 -124.6 ± 30.76
417655 ncm-dbt-02 585295 500 97 165 238 -47.54 ± 14.79 1 97 121 31 0 -95.44 ± 31.02
417654 ncm-dbt-03 585000 500 102 155 243 -36.97 ± 15.08 1 89 122 38 0 -73.34 ± 30.91
417653 ncm-dbt-01 575150 500 82 169 249 -61.08 ± 13.82 0 106 126 17 1 -127.76 ± 30.09
417652 ncm-dbt-04 568156 500 98 152 250 -37.67 ± 14.74 1 87 127 35 0 -74.79 ± 30.24
417651 ncm-dbt-05 586223 500 91 161 248 -48.96 ± 14.87 1 99 119 31 0 -98.44 ± 31.3
417650 ncm-dbt-03 583112 500 83 169 248 -60.36 ± 15.15 1 113 107 29 0 -123.02 ± 33.03
417649 ncm-dbt-02 584706 500 87 167 246 -56.07 ± 14.56 3 98 125 24 0 -110.6 ± 30.39
417648 ncm-dbt-01 577643 500 92 163 245 -49.67 ± 13.97 1 93 132 24 0 -99.95 ± 29.4
417647 ncm-dbt-04 570469 500 94 177 229 -58.21 ± 14.25 0 107 119 24 0 -119.89 ± 31.25
417646 ncm-dbt-05 583698 500 86 150 264 -44.72 ± 14.37 1 91 129 29 0 -89.48 ± 29.91
417645 ncm-dbt-03 583908 500 86 159 255 -51.09 ± 13.62 1 92 136 21 0 -102.97 ± 28.77
417644 ncm-dbt-02 584369 500 92 155 253 -44.01 ± 14.73 0 96 121 33 0 -89.48 ± 31.03
417643 ncm-dbt-01 574744 500 103 165 232 -43.31 ± 15.08 0 97 119 33 1 -89.48 ± 31.31
417642 ncm-dbt-04 568355 500 72 154 274 -57.5 ± 14.76 2 104 118 26 0 -115.23 ± 31.41
417641 ncm-dbt-05 586858 500 82 157 261 -52.51 ± 13.55 0 96 133 21 0 -107.54 ± 29.18
417640 ncm-dbt-01 578506 500 88 170 242 -57.5 ± 14.22 1 103 123 23 0 -116.78 ± 30.65
417639 ncm-dbt-03 584495 500 105 161 234 -39.08 ± 16.3 1 99 107 41 2 -80.63 ± 32.87
417638 ncm-dbt-02 585421 500 91 152 257 -42.6 ± 14.25 2 84 138 25 1 -85.04 ± 28.63
417637 ncm-dbt-04 569430 500 88 169 243 -56.78 ± 14.19 1 102 124 23 0 -115.23 ± 30.51

Commit

Commit ID 11c6cf720d4cdd882bc0f2c36e25910cf77fb57b
Author lonfom169
Date 2021-11-05 21:15:53 UTC
More futility pruning Expand maximum allowed eval by 50% in futility pruning, above the VALUE_KNOWN_WIN. STC: LLR: 2.95 (-2.94,2.94) <-0.50,2.50> Total: 128208 W: 32534 L: 32192 D: 63482 Ptnml(0-2): 298, 13484, 36216, 13790, 316 https://tests.stockfishchess.org/tests/view/6179c069a9b1d8fbcc4ee716 LTC: LLR: 2.96 (-2.94,2.94) <0.50,3.50> Total: 89816 W: 22645 L: 22265 D: 44906 Ptnml(0-2): 41, 8404, 27650, 8760, 53 https://tests.stockfishchess.org/tests/view/617ad728f411ea45cc39f895 closes https://github.com/official-stockfish/Stockfish/pull/3767 bench: 6804175
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