Dev Builds » 20210822-0705

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 06:51:40 577267 4000 632 1418 1950 -69.17 ± 5.17 20 913 900 167 0 -140.21 ± 11.34
ncm-dbt-02 06:52:01 585794 4000 629 1387 1984 -66.64 ± 5.23 21 897 903 177 2 -134.75 ± 11.32
ncm-dbt-03 06:50:44 584632 4014 667 1387 1960 -63.0 ± 5.13 18 861 953 173 2 -127.27 ± 11.0
ncm-dbt-04 06:52:21 569177 3986 655 1377 1954 -63.63 ± 5.12 11 877 930 173 2 -130.05 ± 11.14
ncm-dbt-05 06:50:51 582067 4000 676 1401 1923 -63.68 ± 5.17 17 874 927 181 1 -128.75 ± 11.17
20000 3259 6970 9771 -65.22 ± 2.31 87 4422 4613 871 7 -132.18 ± 5.0

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
418105 ncm-dbt-03 584243 14 3 6 5 -75.6 ± 101.52 0 4 2 1 0 -159.18 ± 377.67
418104 ncm-dbt-04 570989 486 79 165 242 -62.13 ± 15.01 0 112 105 26 0 -128.52 ± 33.37
418103 ncm-dbt-01 576047 500 80 180 240 -70.43 ± 14.2 3 111 119 17 0 -142.26 ± 31.1
418102 ncm-dbt-02 587197 500 74 178 248 -73.33 ± 14.85 4 116 110 20 0 -147.19 ± 32.57
418101 ncm-dbt-05 582945 500 93 167 240 -51.8 ± 14.88 3 96 123 28 0 -101.46 ± 30.72
418100 ncm-dbt-03 585126 500 93 178 229 -59.64 ± 13.9 0 105 126 18 1 -124.6 ± 30.12
418099 ncm-dbt-04 568991 500 74 167 259 -65.38 ± 14.7 2 112 113 23 0 -132.54 ± 32.13
418098 ncm-dbt-01 576578 500 79 163 258 -58.93 ± 15.35 4 104 114 28 0 -115.23 ± 32.0
418097 ncm-dbt-05 581818 500 95 180 225 -59.64 ± 14.99 4 101 122 22 1 -118.33 ± 30.8
418096 ncm-dbt-02 584411 500 92 177 231 -59.64 ± 14.73 3 103 120 24 0 -118.33 ± 31.1
418095 ncm-dbt-03 582569 500 70 162 268 -64.66 ± 14.26 2 108 120 20 0 -130.94 ± 31.03
418094 ncm-dbt-04 568037 500 80 177 243 -68.27 ± 14.67 0 120 108 21 1 -143.89 ± 32.9
418093 ncm-dbt-01 576578 500 79 185 236 -74.79 ± 14.06 0 124 108 18 0 -157.24 ± 32.87
418092 ncm-dbt-05 583698 500 82 182 236 -70.44 ± 14.2 0 120 110 20 0 -147.19 ± 32.57
418091 ncm-dbt-02 583908 500 75 166 259 -63.94 ± 14.64 5 101 124 20 0 -124.6 ± 30.44
418090 ncm-dbt-03 584706 500 90 175 235 -59.64 ± 14.04 3 98 130 19 0 -118.33 ± 29.54
418089 ncm-dbt-04 569111 500 79 178 243 -69.71 ± 14.31 1 117 112 20 0 -143.89 ± 32.25
418088 ncm-dbt-01 578506 500 72 179 249 -75.52 ± 15.6 4 124 97 25 0 -152.18 ± 34.67
418087 ncm-dbt-05 580240 500 83 172 245 -62.51 ± 14.44 1 110 116 23 0 -127.76 ± 31.68
418086 ncm-dbt-02 584579 500 84 183 233 -69.71 ± 15.66 3 120 101 25 1 -142.26 ± 34.0
418085 ncm-dbt-03 585674 500 75 177 248 -71.88 ± 14.8 3 117 109 21 0 -145.54 ± 32.74
418084 ncm-dbt-04 569270 500 73 170 257 -68.27 ± 13.68 1 111 122 16 0 -140.62 ± 30.61
418083 ncm-dbt-01 579042 500 84 164 252 -56.07 ± 14.83 5 94 127 24 0 -107.54 ± 30.1
418082 ncm-dbt-03 584622 500 88 172 240 -58.93 ± 14.83 1 108 116 24 1 -121.46 ± 31.7
418081 ncm-dbt-05 583572 500 80 179 241 -69.71 ± 15.0 4 113 111 22 0 -138.99 ± 32.43
418080 ncm-dbt-02 585084 500 70 163 267 -65.38 ± 14.56 0 117 109 24 0 -135.76 ± 32.75
418079 ncm-dbt-04 569390 500 96 187 217 -63.94 ± 14.64 2 110 115 23 0 -129.35 ± 31.83
418078 ncm-dbt-03 586139 500 73 180 247 -75.52 ± 14.65 3 120 108 19 0 -153.86 ± 32.88
418077 ncm-dbt-02 585970 500 77 176 247 -69.71 ± 14.59 1 119 108 22 0 -143.89 ± 32.9
418076 ncm-dbt-01 579042 500 80 183 237 -72.61 ± 14.13 0 122 109 19 0 -152.18 ± 32.72
418075 ncm-dbt-05 580033 500 82 180 238 -68.99 ± 13.56 1 111 123 15 0 -142.26 ± 30.43
418074 ncm-dbt-03 585379 500 88 172 240 -58.93 ± 14.83 2 106 116 26 0 -118.33 ± 31.7
418073 ncm-dbt-02 586858 500 82 168 250 -60.36 ± 14.62 1 109 115 25 0 -123.02 ± 31.84
418072 ncm-dbt-04 567680 500 92 164 244 -50.38 ± 14.81 3 93 128 25 1 -99.95 ± 30.0
418071 ncm-dbt-05 580323 500 79 159 262 -56.07 ± 15.22 2 106 112 30 0 -112.14 ± 32.29
418070 ncm-dbt-01 577930 500 68 176 256 -76.25 ± 14.67 3 121 107 19 0 -155.54 ± 33.04
418069 ncm-dbt-03 583237 500 87 165 248 -54.64 ± 14.76 4 95 126 25 0 -106.01 ± 30.26
418068 ncm-dbt-02 588345 500 75 176 249 -71.16 ± 14.78 4 112 116 17 1 -143.89 ± 31.59
418067 ncm-dbt-04 569949 500 82 169 249 -61.07 ± 13.96 2 102 127 19 0 -123.02 ± 29.98
418066 ncm-dbt-05 583908 500 82 182 236 -70.43 ± 14.62 2 117 110 21 0 -143.89 ± 32.58
418065 ncm-dbt-01 574419 500 90 188 222 -68.99 ± 13.86 1 113 119 17 0 -142.26 ± 31.1

Commit

Commit ID 939ffe454d28556ee7653af4d3322b8c8ba470be
Author candirufish
Date 2021-08-22 07:05:53 UTC
do more LMR extensions for PV nodes LMR Pv and depth 6 Extension tweak: LTC: LLR: 2.93 (-2.94,2.94) <0.50,3.50> Total: 52488 W: 1542 L: 1394 D: 49552 Ptnml(0-2): 18, 1253, 23552, 1405, 16 https://tests.stockfishchess.org/tests/view/611e49c34977aa1525c9caa7 STC: LLR: 2.94 (-2.94,2.94) <-0.50,2.50> Total: 76216 W: 6000 L: 5784 D: 64432 Ptnml(0-2): 204, 4745, 28006, 4937, 216 https://tests.stockfishchess.org/tests/view/611e0e254977aa1525c9ca89 closes https://github.com/official-stockfish/Stockfish/pull/3666 Bench: 5046381
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