Dev Builds » 20201231-1648

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 08:22:59 1969235 3345 2667 20 658 +373.49 +/- 13.27
ncm-et-4 08:22:38 1954649 3303 2641 15 647 +376.96 +/- 13.38
ncm-et-9 08:22:40 1964616 3357 2667 19 671 +371.15 +/- 13.14
ncm-et-10 08:22:53 1959080 3323 2606 12 705 +363.75 +/- 12.79
ncm-et-13 08:22:52 1961318 3330 2636 14 680 +369.85 +/- 13.04
ncm-et-15 08:22:51 1970092 3342 2678 19 645 +377.52 +/- 13.41
20000 15895 99 4006 +372.07 +/- 5.37

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
141900 ncm-et-4 2021-01-01 20:51 00:46:23 1970026 303 243 1 59 +380.43 +/- 44.92 ↓
141899 ncm-et-10 2021-01-01 20:50 00:48:01 1968160 323 240 1 82 +330.18 +/- 37.71 ↓
141898 ncm-et-13 2021-01-01 20:48 00:49:36 1962609 330 266 1 63 +384.64 +/- 43.43 ↓
141897 ncm-et-15 2021-01-01 20:46 00:51:18 1966780 342 273 1 68 +377.23 +/- 41.72 ↓
141896 ncm-et-9 2021-01-01 20:46 00:51:56 1962767 357 274 1 82 +350.02 +/- 37.79 ↓
141895 ncm-et-3 2021-01-01 20:45 00:52:56 1965077 345 273 1 71 +370.78 +/- 40.78 ↓
141894 ncm-et-4 2021-01-01 19:33 01:16:29 1968157 500 414 2 84 +406.2 +/- 37.55 ↓
141893 ncm-et-13 2021-01-01 19:31 01:15:40 1957552 500 385 0 115 +354.5 +/- 31.72 ↓
141892 ncm-et-10 2021-01-01 19:31 01:17:23 1957400 500 393 1 106 +366.78 +/- 33.19 ↓
141891 ncm-et-15 2021-01-01 19:30 01:14:57 1970022 500 403 0 97 +387.56 +/- 34.71 ↓
141890 ncm-et-3 2021-01-01 19:29 01:14:34 1966959 500 398 1 101 +375.98 +/- 34.04 ↓
141889 ncm-et-9 2021-01-01 19:28 01:16:56 1964157 500 412 1 87 +404.05 +/- 36.82 ↓
141888 ncm-et-4 2021-01-01 18:19 01:13:25 1965383 500 382 2 116 +346.12 +/- 31.7 ↓
141887 ncm-et-13 2021-01-01 18:15 01:15:35 1960467 500 406 3 91 +387.57 +/- 36.04 ↓
141886 ncm-et-10 2021-01-01 18:15 01:15:26 1958489 500 406 1 93 +391.57 +/- 35.55 ↓
141885 ncm-et-3 2021-01-01 18:13 01:14:35 1970638 500 404 1 95 +387.57 +/- 35.16 ↓
141884 ncm-et-15 2021-01-01 18:13 01:16:01 1965853 500 400 3 97 +375.98 +/- 34.86 ↓
141883 ncm-et-9 2021-01-01 18:12 01:14:42 1967232 500 387 6 107 +347.77 +/- 33.18 ↓
141882 ncm-et-4 2021-01-01 17:03 01:15:16 1968063 500 393 1 106 +366.78 +/- 33.19 ↓
141881 ncm-et-10 2021-01-01 16:59 01:14:27 1960780 500 384 2 114 +349.43 +/- 31.99 ↓
141880 ncm-et-13 2021-01-01 16:58 01:15:27 1961229 500 386 4 110 +349.43 +/- 32.67 ↓
141879 ncm-et-3 2021-01-01 16:58 01:14:45 1975293 500 402 7 91 +372.25 +/- 36.04 ↓
141878 ncm-et-15 2021-01-01 16:57 01:14:57 1976071 500 390 2 108 +359.68 +/- 32.92 ↓
141877 ncm-et-9 2021-01-01 16:57 01:14:15 1964917 500 389 1 110 +359.68 +/- 32.55 ↓
141876 ncm-et-4 2021-01-01 15:44 01:17:12 1936805 500 398 1 101 +375.98 +/- 34.04 ↓
141875 ncm-et-10 2021-01-01 15:43 01:15:19 1959877 500 404 0 96 +389.56 +/- 34.9 ↓
141874 ncm-et-13 2021-01-01 15:43 01:14:40 1963227 500 398 5 97 +368.59 +/- 34.9 ↓
141873 ncm-et-3 2021-01-01 15:41 01:15:20 1968025 500 392 6 102 +356.21 +/- 34.01 ↓
141872 ncm-et-15 2021-01-01 15:41 01:15:42 1970637 500 400 3 97 +375.98 +/- 34.86 ↓
141871 ncm-et-9 2021-01-01 15:40 01:15:30 1964012 500 404 3 93 +383.64 +/- 35.64 ↓
141870 ncm-et-4 2021-01-01 14:28 01:15:36 1966478 500 406 4 90 +385.59 +/- 36.27 ↓
141869 ncm-et-13 2021-01-01 14:26 01:15:43 1962460 500 397 0 103 +375.98 +/- 33.63 ↓
141868 ncm-et-15 2021-01-01 14:26 01:13:55 1967392 500 395 6 99 +361.43 +/- 34.54 ↓
141867 ncm-et-10 2021-01-01 14:25 01:16:46 1954352 500 394 2 104 +366.78 +/- 33.58 ↓
141866 ncm-et-3 2021-01-01 14:25 01:15:34 1968165 500 397 3 100 +370.41 +/- 34.31 ↓
141865 ncm-et-9 2021-01-01 14:24 01:14:53 1967084 500 398 3 99 +372.25 +/- 34.49 ↓
141864 ncm-et-9 2021-01-01 13:09 01:14:28 1962149 500 403 4 93 +379.78 +/- 35.66 ↓
141863 ncm-et-15 2021-01-01 13:09 01:16:01 1973891 500 417 4 79 +408.38 +/- 38.79 ↓
141862 ncm-et-13 2021-01-01 13:09 01:16:11 1961688 500 398 1 101 +375.98 +/- 34.04 ↓
141861 ncm-et-10 2021-01-01 13:08 01:15:31 1954503 500 385 5 110 +346.12 +/- 32.7 ↓
141860 ncm-et-4 2021-01-01 13:08 01:18:17 1907634 500 405 4 91 +383.64 +/- 36.06 ↓
141859 ncm-et-3 2021-01-01 13:08 01:15:15 1970490 500 401 1 98 +381.7 +/- 34.59 ↓

Commit

Commit ID 8985c210a1c40770fb81085bd908f757c486963c
Author Unai Corzo
Date 2020-12-31 16:48:47 UTC
Simplify away late irreversible move extension Late irreversible move extension seems to be useless now. STC https://tests.stockfishchess.org/tests/view/5fe75c5c3932f79192d398ca LLR: 2.93 (-2.94,2.94) {-1.25,0.25} Total: 196192 W: 18111 L: 18278 D: 159803 Ptnml(0-2): 681, 14097, 68652, 14040, 626 LTC https://tests.stockfishchess.org/tests/view/5fe875e23932f79192d39952 LLR: 2.96 (-2.94,2.94) {-0.75,0.25} Total: 28080 W: 1105 L: 1053 D: 25922 Ptnml(0-2): 13, 904, 12158, 948, 17 closes https://github.com/official-stockfish/Stockfish/pull/3279 bench: 4144640
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