Dev Builds » 20220110-1835

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 06:55:22 577577 4000 909 1120 1971 -18.34 ± 5.19 5 559 1083 348 5 -36.79 ± 10.3
ncm-dbt-02 06:56:06 587220 3994 930 1147 1917 -18.9 ± 5.01 2 540 1132 319 4 -38.26 ± 10.01
ncm-dbt-03 06:55:11 583387 4000 927 1179 1894 -21.92 ± 5.29 5 600 1042 348 5 -44.01 ± 10.53
ncm-dbt-04 06:56:36 568783 4006 920 1154 1932 -20.32 ± 5.18 6 570 1083 340 4 -40.42 ± 10.3
ncm-dbt-05 06:55:46 581311 4000 933 1191 1876 -22.44 ± 5.12 6 574 1094 324 2 -44.36 ± 10.23
20000 4619 5791 9590 -20.38 ± 2.31 24 2843 5434 1679 20 -40.77 ± 4.6

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
417247 ncm-dbt-04 570709 6 1 2 3 -58.33 ± 98.71 0 1 2 0 0 -120.24 ± 264.77
417246 ncm-dbt-02 585928 494 103 144 247 -28.9 ± 13.48 0 71 146 30 0 -58.21 ± 27.58
417245 ncm-dbt-01 578218 500 117 135 248 -12.51 ± 14.61 0 67 134 49 0 -25.06 ± 29.4
417244 ncm-dbt-05 578671 500 109 150 241 -28.55 ± 14.67 1 78 132 39 0 -56.07 ± 29.61
417243 ncm-dbt-04 568395 500 115 151 234 -25.06 ± 14.93 0 80 126 44 0 -50.38 ± 30.4
417242 ncm-dbt-03 584958 500 122 138 240 -11.12 ± 15.73 0 73 122 53 2 -25.06 ± 30.9
417241 ncm-dbt-01 577274 500 124 139 237 -10.42 ± 14.82 2 61 137 50 0 -18.08 ± 29.01
417240 ncm-dbt-02 587494 500 123 141 236 -12.51 ± 14.61 1 64 137 48 0 -23.66 ± 29.01
417239 ncm-dbt-03 584201 500 113 139 248 -18.08 ± 13.48 0 63 150 37 0 -36.26 ± 27.22
417238 ncm-dbt-05 582611 500 110 139 251 -20.17 ± 13.37 0 64 151 35 0 -40.48 ± 27.06
417237 ncm-dbt-04 567640 500 113 129 258 -11.12 ± 15.13 2 61 141 43 3 -23.66 ± 28.48
417236 ncm-dbt-01 575883 500 111 147 242 -25.06 ± 13.75 0 70 147 32 1 -51.8 ± 27.56
417235 ncm-dbt-02 586393 500 112 141 247 -20.18 ± 14.58 0 72 136 41 1 -41.89 ± 29.11
417234 ncm-dbt-05 577233 500 124 146 230 -15.3 ± 15.69 3 67 131 47 2 -29.25 ± 29.78
417233 ncm-dbt-03 583824 500 124 143 233 -13.21 ± 14.92 0 70 129 51 0 -26.46 ± 30.03
417232 ncm-dbt-04 567324 500 117 148 235 -21.57 ± 14.68 1 72 134 43 0 -41.89 ± 29.37
417231 ncm-dbt-01 578712 500 131 153 216 -15.3 ± 14.06 0 65 142 43 0 -30.65 ± 28.34
417230 ncm-dbt-02 588430 500 117 137 246 -13.9 ± 14.08 0 64 142 44 0 -27.85 ± 28.34
417229 ncm-dbt-03 583154 500 112 146 242 -23.66 ± 15.57 1 79 125 43 2 -48.96 ± 30.53
417228 ncm-dbt-04 569190 500 108 137 255 -20.17 ± 14.19 1 67 142 40 0 -39.08 ± 28.31
417227 ncm-dbt-05 583950 500 119 159 222 -27.85 ± 13.96 0 75 140 35 0 -56.07 ± 28.52
417226 ncm-dbt-01 577438 500 103 132 265 -20.17 ± 15.08 1 73 131 44 1 -40.48 ± 29.77
417225 ncm-dbt-02 586689 500 117 147 236 -20.87 ± 14.63 0 74 132 44 0 -41.89 ± 29.63
417224 ncm-dbt-05 582903 500 121 166 213 -31.35 ± 14.47 1 79 134 36 0 -61.79 ± 29.32
417223 ncm-dbt-03 581485 500 126 157 217 -21.57 ± 14.93 1 73 133 42 1 -43.3 ± 29.5
417222 ncm-dbt-04 570949 500 121 141 238 -13.9 ± 15.35 1 71 125 53 0 -26.46 ± 30.53
417221 ncm-dbt-01 578547 500 112 141 247 -20.18 ± 15.08 0 76 128 45 1 -41.89 ± 30.15
417220 ncm-dbt-02 587113 500 120 140 240 -13.9 ± 14.85 1 65 139 43 2 -29.25 ± 28.74
417219 ncm-dbt-03 582987 500 101 158 241 -39.78 ± 15.25 1 93 118 38 0 -79.17 ± 31.44
417218 ncm-dbt-05 583028 500 119 140 241 -14.6 ± 14.27 1 63 142 44 0 -27.85 ± 28.34
417217 ncm-dbt-04 565902 500 119 136 245 -11.82 ± 15.06 0 69 130 50 1 -25.06 ± 29.91
417216 ncm-dbt-01 577028 500 108 141 251 -22.97 ± 14.66 0 75 134 40 1 -47.55 ± 29.36
417215 ncm-dbt-02 588686 500 122 147 231 -17.39 ± 13.83 0 65 145 40 0 -34.86 ± 27.92
417214 ncm-dbt-03 585253 500 116 149 235 -22.96 ± 14.4 0 74 135 41 0 -46.13 ± 29.23
417213 ncm-dbt-05 581153 500 129 137 234 -5.56 ± 15.41 0 68 122 60 0 -11.12 ± 30.9
417212 ncm-dbt-04 569709 500 114 154 232 -27.85 ± 13.82 0 74 142 34 0 -56.07 ± 28.24
417211 ncm-dbt-02 587028 500 116 150 234 -23.66 ± 13.23 0 65 155 29 1 -48.96 ± 26.43
417210 ncm-dbt-01 577520 500 103 132 265 -20.17 ± 15.33 2 72 130 45 1 -39.08 ± 29.9
417209 ncm-dbt-03 581236 500 113 149 238 -25.06 ± 15.06 2 75 130 43 0 -47.55 ± 29.89
417208 ncm-dbt-05 580945 500 102 154 244 -36.26 ± 13.58 0 80 142 28 0 -73.34 ± 28.14
417207 ncm-dbt-04 569230 500 112 156 232 -30.65 ± 14.02 1 75 141 33 0 -60.36 ± 28.36

Commit

Commit ID 44b1ba89a95f394f3e180eb508f2d7798417c86e
Author Michael Chaly
Date 2022-01-10 18:35:53 UTC
Adjust pruning constants This patch is a modification of original tuning done by vondele that failed yellow. Value differences are divided by 2. Passed STC https://tests.stockfishchess.org/tests/view/61d918239fea7913d9c64cdf LLR: 2.94 (-2.94,2.94) <0.00,2.50> Total: 98968 W: 26248 L: 25858 D: 46862 Ptnml(0-2): 392, 11085, 26156, 11443, 408 Passed LTC https://tests.stockfishchess.org/tests/view/61d99e3c9fea7913d9c663e4 LLR: 2.95 (-2.94,2.94) <0.50,3.00> Total: 215232 W: 58191 L: 57492 D: 99549 Ptnml(0-2): 271, 22124, 62138, 22801, 282 closes https://github.com/official-stockfish/Stockfish/pull/3885 bench 4572746
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