Dev Builds » 20200808-2039

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 08:37:05 1964236 3344 2339 39 966 +293.15 +/- 10.91
ncm-et-4 08:37:16 1954779 3322 2311 49 962 +288.66 +/- 10.95
ncm-et-9 08:36:57 1968922 3339 2317 59 963 +285.65 +/- 10.96
ncm-et-10 08:37:01 1961969 3340 2316 41 983 +288.8 +/- 10.82
ncm-et-13 08:37:06 1962265 3323 2317 59 947 +287.74 +/- 11.05
ncm-et-15 08:37:17 1967355 3332 2300 45 987 +285.99 +/- 10.8
20000 13900 292 5808 +288.32 +/- 4.45

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
137985 ncm-et-15 2020-09-11 03:18 00:51:06 1964625 332 224 5 103 +275.23 +/- 33.63
137984 ncm-et-13 2020-09-11 03:18 00:51:09 1964303 323 224 7 92 +282.84 +/- 35.77
137983 ncm-et-4 2020-09-11 03:17 00:51:34 1906695 322 221 7 94 +278.3 +/- 35.36
137982 ncm-et-9 2020-09-11 03:17 00:51:48 1964467 339 233 2 104 +288.98 +/- 33.27
137981 ncm-et-10 2020-09-11 03:16 00:52:36 1962174 340 233 1 106 +289.59 +/- 32.84
137980 ncm-et-3 2020-09-11 03:15 00:54:02 1965225 344 238 1 105 +293.92 +/- 33.03
137979 ncm-et-13 2020-09-11 02:00 01:16:29 1963070 500 356 5 139 +302.7 +/- 28.91
137978 ncm-et-9 2020-09-11 01:59 01:16:56 1970647 500 348 10 142 +285.49 +/- 28.7
137977 ncm-et-15 2020-09-11 01:58 01:18:23 1969093 500 326 7 167 +262.24 +/- 26.25
137976 ncm-et-10 2020-09-11 01:58 01:17:23 1958775 500 348 2 150 +295.94 +/- 27.62
137975 ncm-et-4 2020-09-11 01:56 01:20:12 1933255 500 342 9 149 +279.17 +/- 27.96
137974 ncm-et-3 2020-09-11 01:55 01:18:19 1965382 500 356 7 137 +299.97 +/- 29.19
137973 ncm-et-13 2020-09-11 00:42 01:17:02 1965535 500 345 8 147 +284.22 +/- 28.14
137972 ncm-et-9 2020-09-11 00:41 01:17:05 1968941 500 346 10 144 +282.94 +/- 28.49
137971 ncm-et-15 2020-09-11 00:40 01:17:32 1968628 500 343 2 155 +289.36 +/- 27.13
137970 ncm-et-10 2020-09-11 00:39 01:17:44 1966769 500 347 8 145 +286.77 +/- 28.35
137969 ncm-et-3 2020-09-11 00:39 01:15:52 1965689 500 362 6 132 +309.64 +/- 29.74
137968 ncm-et-4 2020-09-11 00:38 01:16:44 1963540 500 352 3 145 +299.97 +/- 28.18
137967 ncm-et-13 2020-09-10 23:24 01:17:16 1963692 500 363 8 129 +308.24 +/- 30.14
137966 ncm-et-9 2020-09-10 23:23 01:16:27 1967398 500 345 7 148 +285.49 +/- 28.02
137965 ncm-et-15 2020-09-10 23:21 01:17:24 1964763 500 355 6 139 +299.97 +/- 28.94
137964 ncm-et-3 2020-09-10 23:21 01:16:50 1963993 500 331 10 159 +264.6 +/- 27.03
137963 ncm-et-10 2020-09-10 23:21 01:17:19 1966319 500 353 13 134 +288.06 +/- 29.58
137962 ncm-et-4 2020-09-10 23:21 01:16:41 1969861 500 356 11 133 +294.61 +/- 29.69
137961 ncm-et-9 2020-09-10 22:05 01:17:04 1965226 500 343 9 148 +280.42 +/- 28.06
137960 ncm-et-13 2020-09-10 22:05 01:17:54 1958930 500 350 9 141 +289.36 +/- 28.79
137959 ncm-et-10 2020-09-10 22:04 01:15:56 1962317 500 339 7 154 +277.93 +/- 27.43
137958 ncm-et-15 2020-09-10 22:03 01:17:19 1965235 500 351 6 143 +294.61 +/- 28.51
137957 ncm-et-4 2020-09-10 22:03 01:16:33 1967412 500 361 5 134 +309.64 +/- 29.48
137956 ncm-et-3 2020-09-10 22:03 01:16:43 1963839 500 350 1 149 +299.97 +/- 27.67
137955 ncm-et-10 2020-09-10 20:46 01:16:54 1960182 500 344 5 151 +286.77 +/- 27.65
137954 ncm-et-9 2020-09-10 20:45 01:19:24 1974210 500 352 7 141 +294.61 +/- 28.75
137953 ncm-et-3 2020-09-10 20:44 01:17:38 1963071 500 345 8 147 +284.22 +/- 28.14
137952 ncm-et-13 2020-09-10 20:44 01:19:59 1957102 500 330 11 159 +262.24 +/- 27.05
137951 ncm-et-15 2020-09-10 20:44 01:18:23 1968962 500 358 8 134 +301.33 +/- 29.55
137950 ncm-et-4 2020-09-10 20:43 01:18:36 1973737 500 348 8 144 +288.06 +/- 28.45
137949 ncm-et-9 2020-09-10 19:26 01:18:13 1971565 500 350 14 136 +282.94 +/- 29.36
137948 ncm-et-10 2020-09-10 19:25 01:19:09 1957247 500 352 5 143 +297.28 +/- 28.47
137947 ncm-et-3 2020-09-10 19:25 01:17:41 1962459 500 357 6 137 +302.7 +/- 29.16
137946 ncm-et-13 2020-09-10 19:25 01:17:17 1963224 500 349 11 140 +285.49 +/- 28.92
137945 ncm-et-15 2020-09-10 19:25 01:17:10 1970181 500 343 11 146 +277.93 +/- 28.3
137944 ncm-et-4 2020-09-10 19:25 01:16:56 1968953 500 331 6 163 +269.37 +/- 26.56

Commit

Commit ID 1949eb8604853e2ad8f85400590e6a1e2ce7e451
Author Unai Corzo
Date 2020-08-08 20:39:26 UTC
Singular extension search tweak Tweak depth. STC https://tests.stockfishchess.org/tests/view/5f2d22ec61e3b6af64881f40 LLR: 2.94 (-2.94,2.94) {-0.50,1.50} Total: 17984 W: 2603 L: 2441 D: 12940 Ptnml(0-2): 133, 1751, 5094, 1849, 165 LTC https://tests.stockfishchess.org/tests/view/5f2d5a6a61e3b6af64881f7f LLR: 2.95 (-2.94,2.94) {0.25,1.75} Total: 85808 W: 5956 L: 5621 D: 74231 Ptnml(0-2): 149, 4748, 32785, 5063, 159 closes https://github.com/official-stockfish/Stockfish/pull/2950 fixes two README.md typos: fixes https://github.com/official-stockfish/Stockfish/issues/2932 bench: 4022669
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