Dev Builds » 20200201-0805

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 08:21:45 1961756 3313 2044 55 1214 +241.02 +/- 9.67
ncm-et-4 08:19:01 1967557 3308 2068 74 1166 +242.34 +/- 9.92
ncm-et-9 08:21:14 1969342 3343 2073 64 1206 +241.34 +/- 9.73
ncm-et-10 08:20:41 1965811 3342 2118 68 1156 +248.19 +/- 9.96
ncm-et-13 08:21:18 1971396 3344 2051 49 1244 +240.11 +/- 9.53
ncm-et-15 08:24:18 1968421 3350 2052 62 1236 +237.6 +/- 9.59
20000 12406 372 7222 +241.75 +/- 3.97

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
114086 ncm-et-4 2020-02-01 21:14 00:46:42 1966781 308 193 7 108 +242.95 +/- 32.79
114085 ncm-et-3 2020-02-01 21:13 00:47:44 1962458 313 198 4 111 +251.78 +/- 32.14
114084 ncm-et-9 2020-02-01 21:09 00:51:29 1976384 343 210 10 123 +231.79 +/- 30.75
114083 ncm-et-13 2020-02-01 21:09 00:51:44 1974525 344 197 8 139 +214.56 +/- 28.64
114082 ncm-et-10 2020-02-01 21:09 00:52:15 1966469 342 209 11 122 +229.61 +/- 30.91
114081 ncm-et-15 2020-02-01 21:07 00:53:33 1958624 350 240 5 105 +282.58 +/- 33.32
114080 ncm-et-4 2020-02-01 19:57 01:16:31 1967092 500 324 13 163 +253.02 +/- 26.73
114079 ncm-et-3 2020-02-01 19:56 01:16:09 1960461 500 292 10 198 +221.9 +/- 23.95
114078 ncm-et-9 2020-02-01 19:53 01:15:05 1969089 500 303 14 183 +229.12 +/- 25.13
114077 ncm-et-10 2020-02-01 19:53 01:14:26 1959696 500 319 6 175 +255.3 +/- 25.54
114076 ncm-et-13 2020-02-01 19:53 01:15:27 1968158 500 314 6 180 +249.64 +/- 25.14
114075 ncm-et-15 2020-02-01 19:52 01:14:32 1975451 500 291 11 198 +219.87 +/- 23.98
114074 ncm-et-4 2020-02-01 18:41 01:14:30 1972499 500 314 11 175 +244.1 +/- 25.69
114073 ncm-et-3 2020-02-01 18:40 01:15:14 1960464 500 309 6 185 +244.1 +/- 24.76
114072 ncm-et-15 2020-02-01 18:37 01:13:31 1972657 500 318 5 177 +255.3 +/- 25.34
114071 ncm-et-13 2020-02-01 18:37 01:14:50 1974051 500 295 7 198 +228.08 +/- 23.85
114070 ncm-et-9 2020-02-01 18:37 01:15:27 1967860 500 317 10 173 +248.53 +/- 25.83
114069 ncm-et-10 2020-02-01 18:36 01:16:08 1965534 500 329 8 163 +264.6 +/- 26.63
114068 ncm-et-4 2020-02-01 17:25 01:15:27 1962611 500 308 10 182 +238.66 +/- 25.12
114067 ncm-et-3 2020-02-01 17:23 01:15:17 1961688 500 316 5 179 +253.02 +/- 25.18
114066 ncm-et-9 2020-02-01 17:22 01:13:57 1973901 500 317 7 176 +251.89 +/- 25.5
114065 ncm-et-15 2020-02-01 17:21 01:14:59 1963841 500 324 8 168 +258.75 +/- 26.19
114064 ncm-et-13 2020-02-01 17:21 01:14:46 1967385 500 305 7 188 +238.66 +/- 24.57
114063 ncm-et-10 2020-02-01 17:20 01:14:47 1969087 500 326 12 162 +256.44 +/- 26.8
114062 ncm-et-3 2020-02-01 16:08 01:14:38 1964304 500 322 9 169 +255.3 +/- 26.13
114061 ncm-et-4 2020-02-01 16:07 01:16:06 1970179 500 303 14 183 +229.12 +/- 25.13
114060 ncm-et-13 2020-02-01 16:06 01:13:30 1972358 500 322 10 168 +254.16 +/- 26.24
114059 ncm-et-10 2020-02-01 16:06 01:13:32 1961400 500 310 10 180 +240.82 +/- 25.27
114058 ncm-et-9 2020-02-01 16:05 01:15:43 1963533 500 321 8 171 +255.3 +/- 25.94
114057 ncm-et-15 2020-02-01 16:03 01:16:42 1971254 500 285 11 204 +213.85 +/- 23.58
114056 ncm-et-4 2020-02-01 14:51 01:14:53 1966015 500 330 9 161 +264.6 +/- 26.83
114055 ncm-et-13 2020-02-01 14:51 01:14:49 1968933 500 316 6 178 +251.89 +/- 25.3
114054 ncm-et-3 2020-02-01 14:50 01:16:15 1961996 500 303 10 187 +233.32 +/- 24.74
114053 ncm-et-10 2020-02-01 14:50 01:14:51 1966465 500 315 10 175 +246.3 +/- 25.67
114052 ncm-et-9 2020-02-01 14:49 01:14:52 1964611 500 312 5 183 +248.53 +/- 24.87
114051 ncm-et-15 2020-02-01 14:48 01:14:56 1969414 500 302 12 186 +230.16 +/- 24.87
114050 ncm-et-4 2020-02-01 13:36 01:14:52 1967722 500 296 10 194 +226.0 +/- 24.23
114049 ncm-et-10 2020-02-01 13:34 01:14:42 1972028 500 310 11 179 +239.74 +/- 25.37
114048 ncm-et-9 2020-02-01 13:33 01:14:41 1970017 500 293 10 197 +222.92 +/- 24.02
114047 ncm-et-13 2020-02-01 13:33 01:16:12 1974367 500 302 5 193 +237.58 +/- 24.13
114046 ncm-et-3 2020-02-01 13:33 01:16:28 1960925 500 304 11 185 +233.32 +/- 24.92
114045 ncm-et-15 2020-02-01 13:30 01:16:05 1967707 500 292 10 198 +221.9 +/- 23.95

Commit

Commit ID c390b734c451b3d976b331244e281d261b26ac3a
Author xoto10
Date 2020-02-01 08:05:13 UTC
Simplify Tweak late move reductions at root. Revert change from Jan 15. STC 10+0.1 : LLR: 2.94 (-2.94,2.94) {-1.50,0.50} Total: 65135 W: 12543 L: 12436 D: 40156 Ptnml(0-2): 1090, 7618, 14947, 7623, 1136 https://tests.stockfishchess.org/tests/view/5e334016708b13464ceea32e LTC 60+0.6 : LLR: 2.95 (-2.94,2.94) {-1.50,0.50} Total: 17768 W: 2286 L: 2191 D: 13291 Ptnml(0-2): 128, 1602, 5273, 1679, 140 https://tests.stockfishchess.org/tests/view/5e34011e57e1ecae66ec2aab closes https://github.com/official-stockfish/Stockfish/pull/2537 Bench: 4914050
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