Dev Builds » 20200123-1753

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 08:21:23 1961649 3328 2034 70 1224 +235.52 +/- 9.66
ncm-et-4 08:21:25 1966537 3331 2025 64 1242 +234.76 +/- 9.57
ncm-et-9 08:21:11 1969277 3346 2082 56 1208 +243.82 +/- 9.71
ncm-et-10 08:21:08 1965347 3318 2047 48 1223 +242.17 +/- 9.62
ncm-et-13 08:21:20 1972415 3344 2048 33 1263 +242.22 +/- 9.42
ncm-et-15 08:21:15 1968346 3333 2070 67 1196 +241.35 +/- 9.78
20000 12306 338 7356 +239.96 +/- 3.93

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
113089 ncm-et-10 2020-01-24 21:07 00:47:09 1962158 318 197 7 114 +239.46 +/- 31.86
113088 ncm-et-4 2020-01-24 21:06 00:48:39 1969579 331 202 9 120 +231.78 +/- 31.1
113087 ncm-et-15 2020-01-24 21:05 00:49:39 1963997 333 199 7 127 +228.38 +/- 30.05
113086 ncm-et-3 2020-01-24 21:05 00:50:08 1962456 328 215 8 105 +258.23 +/- 33.38
113085 ncm-et-9 2020-01-24 21:04 00:51:06 1971752 346 221 8 117 +249.42 +/- 31.54
113084 ncm-et-13 2020-01-24 21:03 00:51:22 1969864 344 204 4 136 +230.89 +/- 28.77
113083 ncm-et-10 2020-01-24 19:51 01:15:05 1968004 500 310 9 181 +241.91 +/- 25.17
113082 ncm-et-4 2020-01-24 19:51 01:14:23 1969405 500 272 8 220 +204.07 +/- 22.45
113081 ncm-et-15 2020-01-24 19:49 01:14:50 1963850 500 305 11 184 +234.38 +/- 24.99
113080 ncm-et-3 2020-01-24 19:49 01:14:40 1960464 500 303 12 185 +231.21 +/- 24.94
113079 ncm-et-9 2020-01-24 19:48 01:14:07 1968472 500 320 3 177 +259.91 +/- 25.25
113078 ncm-et-13 2020-01-24 19:46 01:16:40 1968932 500 291 6 203 +224.97 +/- 23.47
113077 ncm-et-4 2020-01-24 18:34 01:15:07 1962457 500 312 10 178 +243.0 +/- 25.43
113076 ncm-et-9 2020-01-24 18:34 01:13:33 1969241 500 303 6 191 +237.58 +/- 24.31
113075 ncm-et-10 2020-01-24 18:34 01:16:40 1966480 500 311 4 185 +248.53 +/- 24.68
113074 ncm-et-15 2020-01-24 18:32 01:15:54 1974203 500 315 4 181 +253.02 +/- 24.98
113073 ncm-et-3 2020-01-24 18:31 01:16:22 1961075 500 293 16 191 +216.85 +/- 24.59
113072 ncm-et-13 2020-01-24 18:30 01:14:55 1972671 500 317 5 178 +254.16 +/- 25.26
113071 ncm-et-9 2020-01-24 17:18 01:15:03 1964918 500 304 9 187 +235.45 +/- 24.71
113070 ncm-et-4 2020-01-24 17:18 01:15:50 1946638 500 328 10 162 +261.07 +/- 26.76
113069 ncm-et-10 2020-01-24 17:16 01:16:16 1966620 500 301 7 192 +234.38 +/- 24.28
113068 ncm-et-15 2020-01-24 17:16 01:15:25 1967851 500 324 10 166 +256.44 +/- 26.41
113067 ncm-et-3 2020-01-24 17:15 01:14:57 1959849 500 308 12 180 +236.51 +/- 25.32
113066 ncm-et-13 2020-01-24 17:13 01:15:20 1976385 500 295 3 202 +232.26 +/- 23.41
113065 ncm-et-9 2020-01-24 16:01 01:15:14 1969883 500 301 9 190 +232.26 +/- 24.49
113064 ncm-et-10 2020-01-24 16:01 01:13:56 1967696 500 293 12 195 +220.88 +/- 24.22
113063 ncm-et-4 2020-01-24 16:01 01:15:26 1968631 500 311 11 178 +240.82 +/- 25.45
113062 ncm-et-3 2020-01-24 16:00 01:14:44 1962169 500 300 10 190 +230.16 +/- 24.52
113061 ncm-et-15 2020-01-24 16:00 01:15:08 1971112 500 317 11 172 +247.41 +/- 25.93
113060 ncm-et-13 2020-01-24 15:57 01:15:00 1973279 500 313 5 182 +249.64 +/- 24.95
113059 ncm-et-9 2020-01-24 14:45 01:15:24 1972649 500 322 11 167 +253.02 +/- 26.35
113058 ncm-et-4 2020-01-24 14:45 01:15:23 1975610 500 300 7 193 +233.32 +/- 24.21
113057 ncm-et-10 2020-01-24 14:44 01:15:59 1964777 500 312 2 186 +251.89 +/- 24.5
113056 ncm-et-15 2020-01-24 14:43 01:15:15 1967705 500 304 12 184 +232.26 +/- 25.02
113055 ncm-et-3 2020-01-24 14:42 01:16:07 1960463 500 306 5 189 +241.91 +/- 24.42
113054 ncm-et-13 2020-01-24 14:42 01:14:07 1975917 500 301 6 193 +235.45 +/- 24.17
113053 ncm-et-9 2020-01-24 13:27 01:16:44 1968026 500 311 10 179 +241.91 +/- 25.35
113052 ncm-et-10 2020-01-24 13:27 01:16:03 1961694 500 323 7 170 +258.75 +/- 25.99
113051 ncm-et-13 2020-01-24 13:27 01:13:56 1969863 500 327 4 169 +266.97 +/- 25.96
113050 ncm-et-15 2020-01-24 13:27 01:15:04 1969706 500 306 12 182 +234.38 +/- 25.17
113049 ncm-et-4 2020-01-24 13:27 01:16:37 1973442 500 300 9 191 +231.21 +/- 24.42
113048 ncm-et-3 2020-01-24 13:27 01:14:25 1965072 500 309 7 184 +243.0 +/- 24.87

Commit

Commit ID 56e698ef8382cc837507c8910bf2409ebb4aec77
Author Stefan Geschwentner
Date 2020-01-23 17:53:50 UTC
Less reduction for escape moves at ttPv nodes At expected PV nodes or nodes which marked as PV node in the hash table, reduce escape moves even one ply less. STC: LLR: 2.94 (-2.94,2.94) {-1.00,3.00} Total: 31795 W: 6140 L: 5953 D: 19702 Ptnml(0-2): 525, 3625, 7455, 3695, 583 http://tests.stockfishchess.org/tests/view/5e25d77fc3b97aa0d75bc013 LTC: LLR: 2.94 (-2.94,2.94) {0.00,2.00} Total: 43975 W: 5708 L: 5454 D: 32813 Ptnml(0-2): 314, 4012, 13070, 4242, 325 http://tests.stockfishchess.org/tests/view/5e2618c1c3b97aa0d75bc03c Closes https://github.com/official-stockfish/Stockfish/pull/2505 Bench: 4475583
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