Dev Builds » 20200711-2032

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 08:25:54 1962046 3320 2153 46 1121 +260.28 +/- 10.09
ncm-et-4 08:24:19 1958593 3300 2127 42 1131 +258.64 +/- 10.03
ncm-et-9 08:24:27 1966172 3369 2176 38 1155 +260.26 +/- 9.91
ncm-et-10 08:24:08 1961483 3323 2151 38 1134 +261.0 +/- 10.01
ncm-et-13 08:26:18 1962807 3342 2138 64 1140 +252.22 +/- 10.03
ncm-et-15 08:24:40 1969055 3346 2091 63 1192 +244.15 +/- 9.79
20000 12836 291 6873 +256.01 +/- 4.07

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
133973 ncm-et-4 2020-07-12 08:48 00:45:43 1952476 300 183 4 113 +239.02 +/- 31.75
133972 ncm-et-10 2020-07-12 08:46 00:48:08 1960799 323 204 4 115 +251.44 +/- 31.55
133971 ncm-et-3 2020-07-12 08:45 00:48:54 1958938 320 201 2 117 +252.95 +/- 31.07
133970 ncm-et-13 2020-07-12 08:43 00:51:25 1961227 342 216 9 117 +243.7 +/- 31.56
133969 ncm-et-15 2020-07-12 08:41 00:52:35 1965846 346 220 7 119 +249.42 +/- 31.21
133968 ncm-et-9 2020-07-12 08:38 00:55:58 1960616 369 221 5 143 +232.99 +/- 28.14
133967 ncm-et-4 2020-07-12 07:31 01:16:11 1969403 500 325 7 168 +261.07 +/- 26.16
133966 ncm-et-3 2020-07-12 07:28 01:16:15 1963532 500 317 9 174 +249.64 +/- 25.72
133965 ncm-et-10 2020-07-12 07:27 01:17:34 1961697 500 329 3 168 +270.57 +/- 26.0
133964 ncm-et-13 2020-07-12 07:25 01:16:18 1961688 500 334 13 153 +264.6 +/- 27.63
133963 ncm-et-15 2020-07-12 07:24 01:16:28 1968472 500 306 8 186 +238.66 +/- 24.75
133962 ncm-et-9 2020-07-12 07:22 01:14:15 1964953 500 318 11 171 +248.53 +/- 26.02
133961 ncm-et-4 2020-07-12 06:15 01:14:58 1974364 500 339 7 154 +277.93 +/- 27.43
133960 ncm-et-10 2020-07-12 06:09 01:17:00 1959545 500 320 4 176 +258.75 +/- 25.38
133959 ncm-et-13 2020-07-12 06:09 01:15:07 1962763 500 312 11 177 +241.91 +/- 25.53
133958 ncm-et-3 2020-07-12 06:08 01:18:34 1958020 500 330 8 162 +265.78 +/- 26.71
133957 ncm-et-15 2020-07-12 06:08 01:14:39 1965225 500 298 6 196 +232.26 +/- 23.95
133956 ncm-et-9 2020-07-12 06:07 01:14:30 1968329 500 330 1 169 +274.22 +/- 25.81
133955 ncm-et-4 2020-07-12 04:55 01:18:27 1950242 500 319 7 174 +254.16 +/- 25.66
133954 ncm-et-10 2020-07-12 04:53 01:15:08 1959392 500 321 7 172 +256.44 +/- 25.82
133953 ncm-et-15 2020-07-12 04:51 01:15:54 1973589 500 315 14 171 +241.91 +/- 26.07
133952 ncm-et-3 2020-07-12 04:51 01:16:00 1963688 500 305 6 189 +239.74 +/- 24.46
133951 ncm-et-13 2020-07-12 04:51 01:17:00 1964455 500 317 7 176 +251.89 +/- 25.5
133950 ncm-et-9 2020-07-12 04:51 01:14:54 1965863 500 324 5 171 +262.24 +/- 25.83
133949 ncm-et-4 2020-07-12 03:37 01:17:42 1929044 500 307 6 187 +241.91 +/- 24.61
133948 ncm-et-10 2020-07-12 03:36 01:15:26 1961691 500 333 10 157 +266.97 +/- 27.22
133947 ncm-et-13 2020-07-12 03:35 01:14:52 1964609 500 317 8 175 +250.77 +/- 25.61
133946 ncm-et-15 2020-07-12 03:35 01:15:22 1963840 500 333 6 161 +271.78 +/- 26.74
133945 ncm-et-3 2020-07-12 03:34 01:15:53 1962765 500 324 5 171 +262.24 +/- 25.83
133944 ncm-et-9 2020-07-12 03:34 01:16:04 1963554 500 333 4 163 +274.22 +/- 26.48
133943 ncm-et-4 2020-07-12 02:20 01:15:53 1967391 500 323 5 172 +261.07 +/- 25.75
133942 ncm-et-10 2020-07-12 02:19 01:16:16 1964176 500 331 3 166 +273.0 +/- 26.17
133941 ncm-et-13 2020-07-12 02:19 01:14:53 1963072 500 310 11 179 +239.74 +/- 25.37
133940 ncm-et-15 2020-07-12 02:18 01:15:06 1976386 500 311 15 174 +236.51 +/- 25.84
133939 ncm-et-9 2020-07-12 02:18 01:14:42 1969399 500 329 8 163 +264.6 +/- 26.63
133938 ncm-et-3 2020-07-12 02:17 01:16:17 1961074 500 330 11 159 +262.24 +/- 27.05
133937 ncm-et-10 2020-07-12 01:03 01:14:36 1963081 500 313 7 180 +247.41 +/- 25.18
133936 ncm-et-4 2020-07-12 01:03 01:15:25 1967231 500 331 6 163 +269.37 +/- 26.56
133935 ncm-et-9 2020-07-12 01:03 01:14:04 1970492 500 321 4 175 +259.91 +/- 25.46
133934 ncm-et-15 2020-07-12 01:03 01:14:36 1970028 500 308 7 185 +241.91 +/- 24.8
133933 ncm-et-3 2020-07-12 01:02 01:14:01 1966306 500 346 5 149 +289.36 +/- 27.85
133932 ncm-et-13 2020-07-12 01:01 01:16:43 1961841 500 332 5 163 +271.78 +/- 26.53

Commit

Commit ID 6c197c3964ca0c637ff1f646dc7e6653b1bb4b45
Author syzygy1
Date 2020-07-11 20:32:34 UTC
Corrects a functional change in a cleanup patch. This corrects a functional change in https://github.com/official-stockfish/Stockfish/commit/ddcbacd04d1c860e808202ce8c1206c8acdca627 changing evaluation of KPPvK. Bench remains unchanged at low depth With this patch, 8/8/5k1p/8/7p/7K/8/8 b - - 1 11 is again correctly evaluated as a draw. closes https://github.com/official-stockfish/Stockfish/pull/2807 Bench: 4366686
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