Dev Builds » 20210208-2042

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 08:20:59 1965406 3324 2653 14 657 +375.91 +/- 13.27
ncm-et-4 08:21:19 1961021 3351 2718 23 610 +385.83 +/- 13.8
ncm-et-9 08:21:02 1954706 3307 2641 22 644 +374.07 +/- 13.42
ncm-et-10 08:21:24 1957904 3328 2652 26 650 +371.39 +/- 13.37
ncm-et-13 08:21:43 1963121 3360 2697 18 645 +379.13 +/- 13.41
ncm-et-15 08:21:18 1955771 3330 2690 15 625 +384.91 +/- 13.62
20000 16051 118 3831 +378.49 +/- 5.5

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
143215 ncm-et-9 2021-02-12 06:52 00:07:58 1960770 49 32 0 17 +271.19 +/- 84.38
143214 ncm-et-10 2021-02-12 06:51 00:09:20 1952069 55 42 2 11 +320.65 +/- 110.34
143213 ncm-et-3 2021-02-12 06:50 00:09:24 1960641 55 49 0 6 +495.49 +/- 178.7
143212 ncm-et-15 2021-02-12 06:48 00:11:23 1959423 74 64 0 10 +455.92 +/- 121.4
143211 ncm-et-4 2021-02-12 06:47 00:12:18 1964927 82 69 0 13 +425.99 +/- 102.57
143210 ncm-et-13 2021-02-12 06:47 00:13:07 1968467 81 68 0 13 +423.67 +/- 102.53
143209 ncm-et-9 2021-02-12 05:37 01:14:04 1947389 500 398 3 99 +372.25 +/- 34.49
143208 ncm-et-3 2021-02-12 05:36 01:14:16 1962611 500 402 1 97 +383.64 +/- 34.77
143207 ncm-et-10 2021-02-12 05:35 01:15:10 1966778 500 399 2 99 +375.98 +/- 34.46
143206 ncm-et-15 2021-02-12 05:33 01:14:14 1969256 500 400 2 98 +377.87 +/- 34.64
143205 ncm-et-4 2021-02-12 05:32 01:14:43 1956330 500 421 0 79 +426.65 +/- 38.66
143204 ncm-et-13 2021-02-12 05:31 01:14:57 1962149 500 406 2 92 +389.56 +/- 35.8
143203 ncm-et-9 2021-02-12 04:20 01:15:56 1956195 500 402 3 95 +379.78 +/- 35.24
143202 ncm-et-3 2021-02-12 04:20 01:15:15 1975915 500 403 2 95 +383.64 +/- 35.21
143201 ncm-et-15 2021-02-12 04:19 01:13:36 1968624 500 405 5 90 +381.7 +/- 36.27
143200 ncm-et-10 2021-02-12 04:18 01:16:09 1954076 500 407 3 90 +389.56 +/- 36.25
143199 ncm-et-4 2021-02-12 04:18 01:13:46 1959723 500 399 6 95 +368.59 +/- 35.27
143198 ncm-et-13 2021-02-12 04:16 01:15:04 1956950 500 413 3 84 +401.92 +/- 37.57
143197 ncm-et-9 2021-02-12 03:03 01:16:23 1952976 500 408 3 89 +391.57 +/- 36.46
143196 ncm-et-3 2021-02-12 03:03 01:16:13 1962471 500 396 0 104 +374.11 +/- 33.46
143195 ncm-et-15 2021-02-12 03:03 01:15:47 1945006 500 410 3 87 +395.65 +/- 36.9
143194 ncm-et-4 2021-02-12 03:01 01:15:36 1955128 500 398 3 99 +372.25 +/- 34.49
143193 ncm-et-13 2021-02-12 03:01 01:14:05 1964456 500 412 2 86 +401.92 +/- 37.09
143192 ncm-et-10 2021-02-12 03:01 01:16:32 1956187 500 400 3 97 +375.98 +/- 34.86
143191 ncm-et-3 2021-02-12 01:47 01:15:42 1963389 500 397 5 98 +366.78 +/- 34.71
143190 ncm-et-9 2021-02-12 01:46 01:16:32 1957553 500 410 3 87 +395.65 +/- 36.9
143189 ncm-et-10 2021-02-12 01:46 01:14:02 1963533 500 407 6 87 +383.64 +/- 36.89
143188 ncm-et-13 2021-02-12 01:46 01:14:12 1961075 500 392 3 105 +361.43 +/- 33.45
143187 ncm-et-4 2021-02-12 01:46 01:14:44 1966329 500 407 5 88 +385.59 +/- 36.69
143186 ncm-et-15 2021-02-12 01:46 01:16:09 1954658 500 398 1 101 +375.98 +/- 34.04
143059 ncm-et-9 2021-02-10 23:50 00:39:08 1954502 258 207 2 49 +376.52 +/- 49.57
143058 ncm-et-4 2021-02-10 23:50 00:39:27 1968468 269 219 2 48 +388.25 +/- 50.14
143057 ncm-et-15 2021-02-10 23:49 00:39:50 1936349 256 205 0 51 +382.45 +/- 48.28
143056 ncm-et-3 2021-02-10 23:48 00:41:20 1974837 269 219 2 48 +388.25 +/- 50.14
143055 ncm-et-10 2021-02-10 23:47 00:41:30 1957246 273 205 3 65 +330.17 +/- 42.74
143054 ncm-et-13 2021-02-10 23:47 00:42:04 1965387 279 223 5 51 +364.41 +/- 48.46
143053 ncm-et-9 2021-02-10 22:34 01:15:14 1955446 500 396 3 101 +368.59 +/- 34.13
143052 ncm-et-15 2021-02-10 22:34 01:14:46 1950396 500 409 2 89 +395.65 +/- 36.43
143051 ncm-et-4 2021-02-10 22:33 01:15:48 1956807 500 393 7 100 +356.21 +/- 34.36
143050 ncm-et-3 2021-02-10 22:32 01:14:46 1962766 500 391 1 108 +363.2 +/- 32.86
143049 ncm-et-13 2021-02-10 22:32 01:14:29 1966012 500 392 2 106 +363.2 +/- 33.24
143048 ncm-et-10 2021-02-10 22:32 01:15:16 1944720 500 397 4 99 +368.59 +/- 34.52
143047 ncm-et-9 2021-02-10 21:18 01:15:47 1952824 500 388 5 107 +351.11 +/- 33.17
143046 ncm-et-4 2021-02-10 21:18 01:14:57 1960462 500 412 0 88 +406.2 +/- 36.53
143045 ncm-et-3 2021-02-10 21:18 01:14:03 1960622 500 396 3 101 +368.59 +/- 34.13
143044 ncm-et-15 2021-02-10 21:18 01:15:33 1962461 500 399 2 99 +375.98 +/- 34.46
143043 ncm-et-13 2021-02-10 21:18 01:13:45 1960478 500 391 1 108 +363.2 +/- 32.86
143042 ncm-et-10 2021-02-10 21:18 01:13:25 1968627 500 395 3 102 +366.78 +/- 33.96

Commit

Commit ID 29ed22de8cd347cacb0ba826ee43fa587985a98d
Author bmc4
Date 2021-02-08 20:42:03 UTC
Search Parameters Tuning A simple tuning on search.cpp. based SPSA test: https://tests.stockfishchess.org/tests/view/601f2a787f517a561bc493cd passed STC: LLR: 2.94 (-2.94,2.94) {-0.25,1.25} Total: 117840 W: 10796 L: 10508 D: 96536 Ptnml(0-2): 422, 8381, 41041, 8639, 437 https://tests.stockfishchess.org/tests/view/602144c37f517a561bc494ae passed LTC: LLR: 2.96 (-2.94,2.94) {0.25,1.25} Total: 25024 W: 972 L: 847 D: 23205 Ptnml(0-2): 7, 767, 10847, 876, 15 https://tests.stockfishchess.org/tests/view/602156877f517a561bc494be closes https://github.com/official-stockfish/Stockfish/pull/3340 Bench: 3974098
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