Dev Builds » 20200624-1956

Use this dev build

NCM plays each Stockfish dev build 20,000 times against Stockfish 7. This yields an approximate Elo difference and establishes confidence in the strength of the dev builds.

Summary

Host Duration Avg Base NPS Games Wins Losses Draws Elo
ncm-et-3 08:25:51 1960838 3328 2135 49 1144 +255.76 +/- 9.98
ncm-et-4 08:25:59 1961794 3332 2101 46 1185 +250.06 +/- 9.79
ncm-et-9 08:25:46 1967886 3324 2163 48 1113 +261.24 +/- 10.13
ncm-et-10 08:25:47 1960539 3329 2176 39 1114 +264.56 +/- 10.11
ncm-et-13 08:25:21 1961800 3337 2095 46 1196 +248.54 +/- 9.74
ncm-et-15 08:25:51 1965518 3350 2191 49 1110 +263.07 +/- 10.15
20000 12861 277 6862 +257.13 +/- 4.07

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
133064 ncm-et-3 2020-06-27 05:22 00:49:43 1962151 328 199 6 123 +234.6 +/- 30.53
133063 ncm-et-10 2020-06-27 05:22 00:50:18 1958343 329 226 2 101 +288.61 +/- 33.78
133062 ncm-et-9 2020-06-27 05:22 00:50:23 1975915 324 206 4 114 +253.85 +/- 31.71
133061 ncm-et-4 2020-06-27 05:22 00:50:34 1970172 332 195 4 133 +227.71 +/- 29.08
133060 ncm-et-15 2020-06-27 05:20 00:51:41 1965228 350 233 5 112 +270.23 +/- 32.18
133059 ncm-et-13 2020-06-27 05:20 00:51:55 1960768 337 202 7 128 +229.45 +/- 29.94
133058 ncm-et-3 2020-06-27 04:06 01:15:23 1962917 500 323 7 170 +258.75 +/- 25.99
133057 ncm-et-9 2020-06-27 04:05 01:15:38 1970184 500 321 3 176 +261.07 +/- 25.33
133056 ncm-et-4 2020-06-27 04:04 01:16:13 1937531 500 324 9 167 +257.59 +/- 26.3
133055 ncm-et-13 2020-06-27 04:04 01:14:50 1959235 500 329 7 164 +265.78 +/- 26.51
133054 ncm-et-15 2020-06-27 04:03 01:15:48 1963700 500 325 9 166 +258.75 +/- 26.39
133053 ncm-et-10 2020-06-27 04:03 01:17:29 1958480 500 311 3 186 +249.64 +/- 24.55
133052 ncm-et-3 2020-06-27 02:49 01:15:57 1961996 500 326 7 167 +262.24 +/- 26.25
133051 ncm-et-9 2020-06-27 02:49 01:15:18 1964147 500 326 11 163 +257.59 +/- 26.7
133050 ncm-et-4 2020-06-27 02:48 01:15:03 1965072 500 324 4 172 +263.42 +/- 25.71
133049 ncm-et-10 2020-06-27 02:47 01:14:44 1963085 500 325 7 168 +261.07 +/- 26.16
133048 ncm-et-13 2020-06-27 02:47 01:15:39 1963688 500 308 6 186 +243.0 +/- 24.68
133047 ncm-et-15 2020-06-27 02:47 01:15:36 1966613 500 324 4 172 +263.42 +/- 25.71
133046 ncm-et-3 2020-06-27 01:33 01:15:00 1963685 500 326 9 165 +259.91 +/- 26.48
133045 ncm-et-9 2020-06-27 01:33 01:15:07 1965382 500 332 6 162 +270.57 +/- 26.65
133044 ncm-et-13 2020-06-27 01:30 01:16:00 1960768 500 295 4 201 +231.21 +/- 23.52
133043 ncm-et-15 2020-06-27 01:30 01:16:06 1963073 500 317 8 175 +250.77 +/- 25.61
133042 ncm-et-4 2020-06-27 01:29 01:17:48 1950762 500 312 7 181 +246.3 +/- 25.1
133041 ncm-et-10 2020-06-27 01:27 01:18:57 1957246 500 335 5 160 +275.45 +/- 26.8
133040 ncm-et-3 2020-06-27 00:16 01:15:47 1961534 500 314 3 183 +253.02 +/- 24.78
133039 ncm-et-9 2020-06-27 00:15 01:16:47 1962008 500 326 6 168 +263.42 +/- 26.13
133038 ncm-et-15 2020-06-27 00:15 01:14:04 1965381 500 329 9 162 +263.42 +/- 26.74
133037 ncm-et-13 2020-06-27 00:14 01:15:00 1963687 500 326 6 168 +263.42 +/- 26.13
133036 ncm-et-4 2020-06-27 00:13 01:15:27 1972055 500 322 5 173 +259.91 +/- 25.67
133035 ncm-et-10 2020-06-27 00:12 01:14:41 1962306 500 326 10 164 +258.75 +/- 26.59
133034 ncm-et-3 2020-06-26 22:59 01:15:42 1959696 500 326 8 166 +261.07 +/- 26.36
133033 ncm-et-15 2020-06-26 22:58 01:15:26 1966623 500 339 3 158 +282.94 +/- 26.9
133032 ncm-et-9 2020-06-26 22:58 01:15:51 1971879 500 338 7 155 +276.69 +/- 27.33
133031 ncm-et-13 2020-06-26 22:58 01:15:25 1962769 500 321 12 167 +250.77 +/- 26.37
133030 ncm-et-10 2020-06-26 22:56 01:14:57 1964927 500 324 6 170 +261.07 +/- 25.96
133029 ncm-et-4 2020-06-26 22:55 01:16:24 1964163 500 311 9 180 +243.0 +/- 25.24
133028 ncm-et-9 2020-06-26 21:40 01:16:42 1965692 500 314 11 175 +244.1 +/- 25.69
133027 ncm-et-10 2020-06-26 21:40 01:14:41 1959388 500 329 6 165 +266.97 +/- 26.39
133026 ncm-et-13 2020-06-26 21:40 01:16:32 1961689 500 314 4 182 +251.89 +/- 24.91
133025 ncm-et-3 2020-06-26 21:40 01:18:19 1953891 500 321 9 170 +254.16 +/- 26.05
133024 ncm-et-15 2020-06-26 21:40 01:17:10 1968008 500 324 11 165 +255.3 +/- 26.52
133023 ncm-et-4 2020-06-26 21:40 01:14:30 1972806 500 313 8 179 +246.3 +/- 25.29

Commit

Commit ID bbe98576846ad44ca531cdb6f42bf3eefa7d47c5
Author Vizvezdenec
Date 2020-06-24 19:56:11 UTC
Do less futility pruning for captures. The idea of this patch is that if capture can be described as "less valuable piece takes more valuable piece" it's not really correct to add only piece value of captured piece to static evaluation since there can be more threats in other places and opponent can't really do much but recapture our capturing piece which leaves us space for more captures thus winning more material and increasing static eval. passed STC https://tests.stockfishchess.org/tests/view/5ef0167b122d6514328d760f LLR: 2.96 (-2.94,2.94) {-0.50,1.50} Total: 24736 W: 4838 L: 4607 D: 15291 Ptnml(0-2): 438, 2812, 5648, 3021, 449 passed LTC https://tests.stockfishchess.org/tests/view/5ef073bc122d6514328d7693 LLR: 2.93 (-2.94,2.94) {0.25,1.75} Total: 46152 W: 5865 L: 5567 D: 34720 Ptnml(0-2): 312, 4160, 13886, 4354, 364 closes https://github.com/official-stockfish/Stockfish/pull/2761 bench 4789930
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