Dev Builds » 20201231-1651

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 08:22:12 1970445 3341 2685 10 646 +382.33 +/- 13.38
ncm-et-4 08:22:06 1966058 3329 2653 16 660 +374.23 +/- 13.24
ncm-et-9 08:21:56 1970264 3348 2654 16 678 +370.35 +/- 13.06
ncm-et-10 08:22:09 1964415 3320 2653 13 654 +377.09 +/- 13.3
ncm-et-13 08:22:05 1962768 3330 2612 18 700 +362.29 +/- 12.85
ncm-et-15 08:22:12 1968170 3332 2671 9 652 +380.66 +/- 13.31
20000 15928 82 3990 +374.39 +/- 5.38

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
141858 ncm-et-10 2021-01-01 12:19 00:47:58 1965389 320 262 1 57 +397.33 +/- 45.78 ↓
141857 ncm-et-13 2021-01-01 12:19 00:48:28 1961996 330 249 1 80 +339.25 +/- 38.23 ↓
141856 ncm-et-15 2021-01-01 12:18 00:49:45 1969422 332 273 0 59 +404.36 +/- 44.86 ↓
141855 ncm-et-4 2021-01-01 12:17 00:49:49 1961075 329 257 2 70 +358.87 +/- 41.14 ↓
141854 ncm-et-3 2021-01-01 12:17 00:50:47 1969711 341 279 0 62 +399.99 +/- 43.71 ↓
141853 ncm-et-9 2021-01-01 12:15 00:52:12 1966777 348 267 5 76 +340.33 +/- 39.51 ↓
141852 ncm-et-4 2021-01-01 11:03 01:13:41 1979193 500 380 4 116 +339.63 +/- 31.78 ↓
141851 ncm-et-13 2021-01-01 11:02 01:15:37 1963385 500 401 4 95 +375.98 +/- 35.27 ↓
141850 ncm-et-10 2021-01-01 11:01 01:17:04 1954194 500 408 3 89 +391.57 +/- 36.46 ↓
141849 ncm-et-15 2021-01-01 11:01 01:15:41 1974202 500 392 1 107 +364.98 +/- 33.02 ↓
141848 ncm-et-3 2021-01-01 11:00 01:15:54 1968312 500 389 1 110 +359.68 +/- 32.55 ↓
141847 ncm-et-9 2021-01-01 10:59 01:15:12 1962318 500 393 4 103 +361.43 +/- 33.81 ↓
141846 ncm-et-4 2021-01-01 09:46 01:15:33 1967698 500 398 0 102 +377.87 +/- 33.8 ↓
141845 ncm-et-10 2021-01-01 09:46 01:14:29 1967083 500 402 1 97 +383.64 +/- 34.77 ↓
141844 ncm-et-13 2021-01-01 09:45 01:15:49 1961688 500 379 1 120 +342.85 +/- 31.08 ↓
141843 ncm-et-15 2021-01-01 09:44 01:15:30 1968008 500 408 3 89 +391.57 +/- 36.46 ↓
141842 ncm-et-3 2021-01-01 09:43 01:15:22 1970171 500 407 3 90 +389.56 +/- 36.25 ↓
141841 ncm-et-9 2021-01-01 09:43 01:15:15 1968638 500 395 2 103 +368.59 +/- 33.75 ↓
141840 ncm-et-4 2021-01-01 08:31 01:13:57 1970195 500 411 1 88 +401.92 +/- 36.6 ↓
141839 ncm-et-10 2021-01-01 08:29 01:15:19 1970482 500 395 2 103 +368.59 +/- 33.75 ↓
141838 ncm-et-13 2021-01-01 08:28 01:16:08 1961382 500 406 3 91 +387.57 +/- 36.04 ↓
141837 ncm-et-15 2021-01-01 08:27 01:15:59 1965536 500 395 3 102 +366.78 +/- 33.96 ↓
141836 ncm-et-3 2021-01-01 08:27 01:15:27 1966635 500 405 2 93 +387.57 +/- 35.6 ↓
141835 ncm-et-9 2021-01-01 08:26 01:15:05 1970638 500 391 2 107 +361.43 +/- 33.08 ↓
141834 ncm-et-10 2021-01-01 07:13 01:15:25 1968496 500 395 2 103 +368.59 +/- 33.75 ↓
141833 ncm-et-4 2021-01-01 07:12 01:17:37 1947446 500 397 2 101 +372.25 +/- 34.1 ↓
141832 ncm-et-13 2021-01-01 07:12 01:14:46 1964765 500 404 2 94 +385.59 +/- 35.4 ↓
141831 ncm-et-15 2021-01-01 07:11 01:14:42 1972493 500 412 1 87 +404.05 +/- 36.82 ↓
141830 ncm-et-3 2021-01-01 07:11 01:14:48 1976384 500 401 2 97 +379.78 +/- 34.83 ↓
141829 ncm-et-9 2021-01-01 07:11 01:14:40 1981739 500 409 0 91 +399.81 +/- 35.89 ↓
141828 ncm-et-10 2021-01-01 05:57 01:14:17 1967239 500 396 3 101 +368.59 +/- 34.13 ↓
141827 ncm-et-15 2021-01-01 05:55 01:14:57 1963686 500 391 0 109 +364.98 +/- 32.64 ↓
141826 ncm-et-13 2021-01-01 05:55 01:16:08 1959703 500 386 1 113 +354.5 +/- 32.09 ↓
141825 ncm-et-4 2021-01-01 05:55 01:16:28 1966619 500 411 2 87 +399.81 +/- 36.87 ↓
141824 ncm-et-9 2021-01-01 05:55 01:14:48 1972806 500 393 2 105 +364.98 +/- 33.41 ↓
141823 ncm-et-3 2021-01-01 05:55 01:15:13 1974514 500 405 2 93 +387.57 +/- 35.6 ↓
141822 ncm-et-9 2021-01-01 04:39 01:14:44 1968938 500 406 1 93 +391.57 +/- 35.55 ↓
141821 ncm-et-13 2021-01-01 04:39 01:15:09 1966461 500 387 6 107 +347.77 +/- 33.18 ↓
141820 ncm-et-4 2021-01-01 04:39 01:15:01 1970181 500 399 5 96 +370.41 +/- 35.09 ↓
141819 ncm-et-3 2021-01-01 04:39 01:14:41 1967389 500 399 0 101 +379.77 +/- 33.98 ↓
141818 ncm-et-10 2021-01-01 04:39 01:17:37 1958023 500 395 1 104 +370.41 +/- 33.52 ↓
141817 ncm-et-15 2021-01-01 04:39 01:15:38 1963845 500 400 1 99 +379.78 +/- 34.4 ↓

Commit

Commit ID 8ec97d161ed82b7c1d8f1f05c305e9a55d8ccff3
Author Unai Corzo
Date 2020-12-31 16:51:14 UTC
Remove razoring has become ineffective now. STC https://tests.stockfishchess.org/tests/view/5fe653403932f79192d3981a LLR: 2.95 (-2.94,2.94) {-1.25,0.25} Total: 63448 W: 5965 L: 5934 D: 51549 Ptnml(0-2): 230, 4738, 21769, 4745, 242 LTC https://tests.stockfishchess.org/tests/view/5fe6f0f03932f79192d39856 LLR: 2.93 (-2.94,2.94) {-0.75,0.25} Total: 65368 W: 2485 L: 2459 D: 60424 Ptnml(0-2): 33, 2186, 28230, 2192, 43 closes https://github.com/official-stockfish/Stockfish/pull/3278 bench: 4493379
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