Dev Builds » 20220503-1558

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 11:17:03 1959633 3350 2891 7 452 +450.55 +/- 16.04
ncm-et-4 11:17:05 1929290 3274 2809 8 457 +443.47 +/- 15.95
ncm-et-9 11:17:12 1963501 3355 2898 6 451 +452.04 +/- 16.05
ncm-et-10 11:09:40 1956360 3304 2819 10 475 +436.66 +/- 15.64
ncm-et-13 11:17:04 1959484 3339 2849 4 486 +439.02 +/- 15.45
ncm-et-15 11:17:21 1962467 3378 2847 6 525 +425.5 +/- 14.86
20000 17113 41 2846 +440.99 +/- 6.38

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
158263 ncm-et-4 2022-05-04 05:12 00:56:04 1946812 274 234 1 39 +436.89 +/- 55.99
158262 ncm-et-10 2022-05-04 05:05 01:03:24 1929104 304 258 1 45 +430.75 +/- 51.9
158261 ncm-et-13 2022-05-04 04:58 01:10:24 1937902 339 290 1 48 +439.6 +/- 50.2
158260 ncm-et-3 2022-05-04 04:57 01:10:58 1951622 350 300 1 49 +441.87 +/- 49.66
158259 ncm-et-9 2022-05-04 04:55 01:12:38 1971728 355 303 0 52 +440.88 +/- 48.02
158258 ncm-et-15 2022-05-04 04:52 01:16:37 1956793 378 319 1 58 +425.78 +/- 45.45
158257 ncm-et-4 2022-05-04 03:29 01:42:42 1946985 500 424 2 74 +429.05 +/- 40.11
158256 ncm-et-10 2022-05-04 03:17 01:44:25 1948404 500 425 2 73 +431.48 +/- 40.4
158255 ncm-et-13 2022-05-04 03:15 01:41:30 1961996 500 435 2 63 +457.52 +/- 43.63
158254 ncm-et-3 2022-05-04 03:15 01:41:00 1959388 500 430 1 69 +446.7 +/- 41.57
158253 ncm-et-9 2022-05-04 03:15 01:40:04 1960771 500 431 0 69 +452.04 +/- 41.5
158252 ncm-et-15 2022-05-04 03:11 01:40:02 1963227 500 427 1 72 +438.95 +/- 40.66
158251 ncm-et-4 2022-05-04 01:38 01:50:00 1840683 500 417 1 82 +415.05 +/- 37.98
158250 ncm-et-10 2022-05-04 01:35 01:40:34 1960933 500 418 1 81 +417.32 +/- 38.22
158249 ncm-et-3 2022-05-04 01:35 01:39:41 1964628 500 433 0 67 +457.52 +/- 42.15
158248 ncm-et-13 2022-05-04 01:32 01:43:00 1957402 500 421 0 79 +426.65 +/- 38.66
158247 ncm-et-9 2022-05-04 01:31 01:42:53 1958777 500 420 1 79 +421.93 +/- 38.73
158246 ncm-et-15 2022-05-04 01:30 01:40:10 1961078 500 435 1 64 +460.32 +/- 43.24
158245 ncm-et-4 2022-05-03 23:55 01:42:04 1950879 500 430 1 69 +446.7 +/- 41.57
158244 ncm-et-10 2022-05-03 23:53 01:41:51 1957710 500 424 4 72 +424.28 +/- 40.69
158243 ncm-et-3 2022-05-03 23:53 01:41:45 1958198 500 426 2 72 +433.94 +/- 40.69
158242 ncm-et-15 2022-05-03 23:51 01:38:11 1967385 500 426 1 73 +436.43 +/- 40.36
158241 ncm-et-9 2022-05-03 23:50 01:40:20 1966005 500 436 0 64 +466.03 +/- 43.18
158240 ncm-et-13 2022-05-03 23:50 01:41:26 1960461 500 435 0 65 +463.15 +/- 42.83
158239 ncm-et-10 2022-05-03 22:12 01:39:54 1965698 500 433 2 65 +452.04 +/- 42.92
158238 ncm-et-3 2022-05-03 22:11 01:41:02 1961846 500 433 0 67 +457.52 +/- 42.15
158237 ncm-et-4 2022-05-03 22:10 01:44:29 1909649 500 436 2 62 +460.32 +/- 43.99
158236 ncm-et-9 2022-05-03 22:10 01:39:24 1961547 500 442 1 57 +481.1 +/- 45.96
158235 ncm-et-13 2022-05-03 22:09 01:40:19 1966459 500 424 0 76 +433.94 +/- 39.45
158234 ncm-et-15 2022-05-03 22:09 01:42:06 1956482 500 423 0 77 +431.48 +/- 39.18
158233 ncm-et-10 2022-05-03 20:31 01:40:39 1970522 500 418 0 82 +419.61 +/- 37.91
158232 ncm-et-9 2022-05-03 20:28 01:41:18 1954739 500 435 1 64 +460.32 +/- 43.24
158231 ncm-et-13 2022-05-03 20:28 01:40:22 1968785 500 424 0 76 +433.94 +/- 39.45
158230 ncm-et-3 2022-05-03 20:28 01:42:34 1956488 500 440 3 57 +468.96 +/- 45.93
158229 ncm-et-4 2022-05-03 20:27 01:41:58 1947232 500 427 1 72 +438.95 +/- 40.66
158228 ncm-et-15 2022-05-03 20:27 01:40:44 1964611 500 411 1 88 +401.92 +/- 36.6
158226 ncm-et-13 2022-05-03 18:47 01:40:03 1963385 500 420 1 79 +421.93 +/- 38.73
158225 ncm-et-10 2022-05-03 18:47 01:38:53 1962150 500 443 0 57 +487.45 +/- 45.89
158224 ncm-et-4 2022-05-03 18:47 01:39:48 1962793 500 441 0 59 +481.09 +/- 45.07
158223 ncm-et-3 2022-05-03 18:47 01:40:03 1965262 500 429 0 71 +446.7 +/- 40.89
158222 ncm-et-15 2022-05-03 18:47 01:39:31 1967694 500 406 1 93 +391.57 +/- 35.55
158221 ncm-et-9 2022-05-03 18:47 01:40:35 1970943 500 431 3 66 +444.09 +/- 42.58

Commit

Commit ID a32d2086bc227f1d76bd04808e10c8e7bd230fe9
Author candirufish
Date 2022-05-03 15:58:01 UTC
Use fail high count for LMR Increase reduction if next ply has a lot of fail high else reset count to 0 Passed STC: https://tests.stockfishchess.org/tests/view/626ea8299116b52aa83b71f6 LLR: 2.94 (-2.94,2.94) <0.00,2.50> Total: 144288 W: 38377 L: 37902 D: 68009 Ptnml(0-2): 565, 16298, 38054, 16551, 676 Passed LTC: https://tests.stockfishchess.org/tests/view/626fa0fb79f761bab2e382f0 LLR: 2.98 (-2.94,2.94) <0.50,3.00> Total: 74872 W: 20050 L: 19686 D: 35136 Ptnml(0-2): 51, 7541, 21893, 7895, 56 closes https://github.com/official-stockfish/Stockfish/pull/4006 bench: 7084802
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