Dev Builds » 20210603-1922

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 06:44:11 582042 4004 391 1753 1860 -123.09 ± 5.05 82 1243 632 45 0 -263.04 ± 13.53
ncm-dbt-02 06:41:25 585842 4000 363 1752 1885 -125.88 ± 5.06 82 1272 600 45 1 -271.78 ± 13.9
ncm-dbt-03 06:43:51 586356 4016 351 1755 1910 -126.81 ± 5.13 93 1266 601 48 0 -271.11 ± 13.89
ncm-dbt-04 06:44:11 566977 4000 387 1701 1912 -118.53 ± 5.1 74 1223 646 57 0 -251.89 ± 13.39
ncm-dbt-05 06:44:42 582012 3980 395 1726 1859 -120.84 ± 5.29 76 1259 575 80 0 -257.97 ± 14.2
20000 1887 8687 9426 -123.02 ± 2.29 407 6263 3054 275 1 -263.06 ± 6.16

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
442058 ncm-dbt-01 582527 4 1 2 1 -88.51 ± 137.63 0 1 1 0 0 -190.5 ± 634.21
442057 ncm-dbt-03 585590 16 3 8 5 -112.23 ± 95.99 1 3 4 0 0 -190.76 ± 189.19
442056 ncm-dbt-05 579992 480 39 205 236 -125.32 ± 14.89 9 156 67 8 0 -271.88 ± 42.05
442055 ncm-dbt-04 566454 500 54 215 231 -116.0 ± 14.53 10 148 85 7 0 -243.0 ± 37.13
442054 ncm-dbt-02 584495 500 51 211 238 -115.22 ± 13.88 5 158 79 8 0 -251.89 ± 38.63
442053 ncm-dbt-01 582235 500 42 219 239 -128.55 ± 14.42 10 164 69 7 0 -280.42 ± 41.44
442052 ncm-dbt-03 586393 500 49 215 236 -119.89 ± 14.83 11 152 79 8 0 -251.89 ± 38.63
442051 ncm-dbt-05 583782 500 59 223 218 -118.33 ± 15.15 10 155 74 11 0 -249.64 ± 39.91
442050 ncm-dbt-04 564566 500 33 210 257 -128.55 ± 14.26 8 169 65 8 0 -285.49 ± 42.7
442049 ncm-dbt-02 584537 500 36 231 233 -143.07 ± 13.15 10 177 61 2 0 -330.23 ± 44.08
442048 ncm-dbt-01 584958 500 57 218 225 -116.0 ± 13.88 8 150 87 5 0 -247.41 ± 36.56
442047 ncm-dbt-03 582402 500 38 217 245 -130.14 ± 14.74 12 162 69 7 0 -280.42 ± 41.44
442046 ncm-dbt-05 582068 500 50 207 243 -112.91 ± 14.85 9 149 82 10 0 -236.51 ± 37.9
442045 ncm-dbt-04 567442 500 53 217 230 -118.33 ± 15.15 12 149 80 9 0 -245.2 ± 38.39
442044 ncm-dbt-02 586350 500 52 213 235 -116.0 ± 15.61 14 142 86 7 1 -236.51 ± 36.93
442043 ncm-dbt-01 580282 500 34 237 229 -149.68 ± 13.67 14 177 57 2 0 -342.85 ± 45.71
442042 ncm-dbt-03 586477 500 45 215 240 -123.02 ± 14.16 10 155 80 5 0 -263.42 ± 38.27
442041 ncm-dbt-02 589796 500 49 223 228 -126.17 ± 14.12 11 156 79 4 0 -270.57 ± 38.47
442040 ncm-dbt-05 581860 500 46 203 251 -112.91 ± 14.22 6 154 81 9 0 -243.0 ± 38.14
442039 ncm-dbt-04 568832 500 51 219 230 -121.45 ± 13.84 9 154 83 4 0 -261.07 ± 37.44
442038 ncm-dbt-03 587919 500 38 218 244 -130.94 ± 14.04 9 168 67 6 0 -290.66 ± 42.08
442037 ncm-dbt-01 579248 500 59 213 228 -110.6 ± 14.22 8 145 90 7 0 -232.26 ± 35.99
442036 ncm-dbt-02 586097 500 36 210 254 -126.17 ± 13.77 7 166 71 6 0 -280.42 ± 40.83
442035 ncm-dbt-05 583908 500 53 222 225 -122.24 ± 14.82 9 161 70 10 0 -263.42 ± 41.06
442034 ncm-dbt-04 567086 500 52 214 234 -116.77 ± 14.85 11 148 83 8 0 -243.0 ± 37.64
442033 ncm-dbt-03 587537 500 52 216 232 -118.33 ± 14.03 8 154 82 6 0 -254.16 ± 37.82
442032 ncm-dbt-01 579413 500 51 217 232 -119.89 ± 14.68 12 148 84 6 0 -249.64 ± 37.33
442031 ncm-dbt-02 584369 500 38 239 223 -148.02 ± 14.67 18 168 61 3 0 -324.17 ± 44.15
442030 ncm-dbt-05 580821 500 54 224 222 -123.02 ± 15.29 13 153 75 9 0 -256.44 ± 39.69
442029 ncm-dbt-01 581943 500 44 213 243 -122.24 ± 14.17 12 148 87 3 0 -256.44 ± 36.38
442028 ncm-dbt-03 587113 500 37 234 229 -144.71 ± 15.29 21 158 68 3 0 -304.07 ± 41.65
442027 ncm-dbt-04 567324 500 43 203 254 -115.22 ± 14.21 7 154 81 8 0 -247.41 ± 38.13
442026 ncm-dbt-02 585590 500 41 211 248 -123.02 ± 13.82 7 162 75 6 0 -270.57 ± 39.67
442025 ncm-dbt-05 578630 500 50 208 242 -113.68 ± 15.15 6 161 68 15 0 -245.2 ± 41.31
442024 ncm-dbt-04 564723 500 55 202 243 -105.25 ± 14.35 9 136 98 7 0 -215.85 ± 34.33
442023 ncm-dbt-03 584664 500 44 216 240 -124.6 ± 13.97 8 162 74 6 0 -273.0 ± 39.95
442022 ncm-dbt-01 583740 500 50 217 233 -120.67 ± 14.18 9 155 80 6 0 -258.75 ± 38.32
442021 ncm-dbt-02 585506 500 60 214 226 -110.6 ± 14.84 10 143 88 9 0 -228.08 ± 36.51
442020 ncm-dbt-03 589112 500 45 216 239 -123.81 ± 14.97 13 152 78 7 0 -258.75 ± 38.88
442019 ncm-dbt-05 585042 500 44 234 222 -138.99 ± 15.08 14 170 58 8 0 -304.07 ± 45.19
442018 ncm-dbt-01 584034 500 53 217 230 -118.33 ± 14.68 9 155 77 9 0 -251.89 ± 39.16
442017 ncm-dbt-04 569390 500 46 221 233 -126.97 ± 13.94 8 165 71 6 0 -280.42 ± 40.83

Commit

Commit ID 9353e72103d4dc4880506c2f54b6426cbd182450
Author xoto10
Date 2021-06-03 19:22:56 UTC
Make extra time for bestMoveInstability dependent on rootdepth. This change allocates more base time to moves and makes the additional time added for best move instability dependent on rootdepth. STC 10+0.1 : LLR: 2.94 (-2.94,2.94) <-0.50,2.50> Total: 19432 W: 1711 L: 1553 D: 16168 Ptnml(0-2): 47, 1250, 6989, 1358, 72 https://tests.stockfishchess.org/tests/view/60b8cd41457376eb8bcaa1ad LTC 60+0.6 : LLR: 2.93 (-2.94,2.94) <0.50,3.50> Total: 22480 W: 810 L: 693 D: 20977 Ptnml(0-2): 9, 603, 9902, 714, 12 https://tests.stockfishchess.org/tests/view/60b8e5bf457376eb8bcaa1e6 closes https://github.com/official-stockfish/Stockfish/pull/3526 Bench 4364128
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