Dev Builds » 20210726-0548

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 08:17:38 1962199 3361 2829 6 526 +424.19 +/- 14.84
ncm-et-4 08:17:36 1961550 3345 2835 9 501 +430.08 +/- 15.23
ncm-et-9 08:17:35 1959215 3328 2809 11 508 +425.16 +/- 15.12
ncm-et-10 08:18:00 1953316 3306 2758 3 545 +416.56 +/- 14.57
ncm-et-13 08:17:34 1959728 3328 2821 6 501 +431.31 +/- 15.22
ncm-et-15 08:17:42 1956506 3332 2763 15 554 +407.0 +/- 14.48
20000 16815 50 3135 +422.22 +/- 6.07

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
150392 ncm-et-10 2021-07-27 02:58 00:46:25 1951181 306 254 0 52 +412.87 +/- 47.93
150391 ncm-et-9 2021-07-27 02:56 00:48:18 1963248 328 282 0 46 +449.02 +/- 51.22
150390 ncm-et-13 2021-07-27 02:54 00:49:49 1957093 328 289 1 38 +475.01 +/- 56.86
150389 ncm-et-15 2021-07-27 02:54 00:50:17 1945867 332 278 1 53 +417.7 +/- 47.61
150388 ncm-et-4 2021-07-27 02:53 00:51:42 1961161 345 277 3 65 +376.17 +/- 42.84
150387 ncm-et-3 2021-07-27 02:51 00:53:20 1961079 361 301 1 59 +413.95 +/- 45.02
150386 ncm-et-10 2021-07-27 01:43 01:14:53 1954195 500 422 0 78 +429.05 +/- 38.92
150385 ncm-et-9 2021-07-27 01:40 01:15:26 1954054 500 420 4 76 +415.05 +/- 39.57
150384 ncm-et-4 2021-07-27 01:39 01:12:34 1968164 500 429 0 71 +446.7 +/- 40.89
150383 ncm-et-13 2021-07-27 01:39 01:15:03 1954807 500 424 1 75 +431.48 +/- 39.8
150382 ncm-et-15 2021-07-27 01:38 01:15:07 1960311 500 406 1 93 +391.57 +/- 35.55
150381 ncm-et-3 2021-07-27 01:37 01:13:52 1961539 500 431 0 69 +452.04 +/- 41.5
150380 ncm-et-10 2021-07-27 00:27 01:15:26 1948579 500 417 0 83 +417.31 +/- 37.67
150379 ncm-et-13 2021-07-27 00:24 01:14:07 1961229 500 418 1 81 +417.32 +/- 38.22
150378 ncm-et-9 2021-07-27 00:24 01:15:38 1956495 500 418 3 79 +412.8 +/- 38.79
150377 ncm-et-4 2021-07-27 00:23 01:15:44 1956558 500 419 2 79 +417.32 +/- 38.77
150376 ncm-et-3 2021-07-27 00:23 01:13:10 1967539 500 413 0 87 +408.38 +/- 36.75
150375 ncm-et-15 2021-07-27 00:21 01:16:11 1947753 500 417 4 79 +408.38 +/- 38.79
150374 ncm-et-10 2021-07-26 23:10 01:15:42 1953586 500 424 1 75 +431.48 +/- 39.8
150373 ncm-et-9 2021-07-26 23:09 01:13:45 1964935 500 423 0 77 +431.48 +/- 39.18
150372 ncm-et-3 2021-07-26 23:09 01:13:10 1961764 500 423 0 77 +431.48 +/- 39.18
150371 ncm-et-13 2021-07-26 23:09 01:14:22 1963997 500 414 0 86 +410.58 +/- 36.97
150370 ncm-et-4 2021-07-26 23:09 01:13:37 1964092 500 436 1 63 +463.16 +/- 43.6
150369 ncm-et-15 2021-07-26 23:08 01:13:11 1959412 500 408 4 88 +389.56 +/- 36.69
150368 ncm-et-9 2021-07-26 21:55 01:13:58 1960168 500 422 1 77 +426.65 +/- 39.25
150367 ncm-et-10 2021-07-26 21:54 01:15:22 1954501 500 414 0 86 +410.58 +/- 36.97
150366 ncm-et-13 2021-07-26 21:54 01:14:47 1962315 500 425 1 74 +433.94 +/- 40.08
150365 ncm-et-4 2021-07-26 21:54 01:14:35 1958476 500 419 1 80 +419.61 +/- 38.47
150364 ncm-et-3 2021-07-26 21:53 01:15:36 1956527 500 408 0 92 +397.72 +/- 35.69
150363 ncm-et-15 2021-07-26 21:53 01:14:12 1959861 500 407 4 89 +387.57 +/- 36.48
150362 ncm-et-15 2021-07-26 20:39 01:13:11 1964316 500 425 0 75 +436.43 +/- 39.73
150361 ncm-et-4 2021-07-26 20:39 01:14:14 1964072 500 433 2 65 +452.04 +/- 42.92
150360 ncm-et-13 2021-07-26 20:39 01:14:27 1960792 500 422 2 76 +424.28 +/- 39.56
150359 ncm-et-10 2021-07-26 20:38 01:15:15 1956502 500 414 1 85 +408.38 +/- 37.27
150358 ncm-et-9 2021-07-26 20:38 01:15:59 1952995 500 433 2 65 +452.04 +/- 42.92
150357 ncm-et-3 2021-07-26 20:38 01:14:15 1958633 500 429 3 68 +438.95 +/- 41.92
150356 ncm-et-3 2021-07-26 19:23 01:14:15 1968313 500 424 2 74 +429.05 +/- 40.11
150355 ncm-et-13 2021-07-26 19:23 01:14:59 1957863 500 429 0 71 +446.7 +/- 40.89
150354 ncm-et-9 2021-07-26 19:23 01:14:31 1962610 500 411 1 88 +401.92 +/- 36.6
150353 ncm-et-4 2021-07-26 19:23 01:15:10 1958333 500 422 0 78 +429.05 +/- 38.92
150352 ncm-et-15 2021-07-26 19:23 01:15:33 1958025 500 422 1 77 +426.65 +/- 39.25
150351 ncm-et-10 2021-07-26 19:23 01:14:57 1954669 500 413 1 86 +406.2 +/- 37.04

Commit

Commit ID 910d26b5c30bb68845e032a8f2aac82f19c96262
Author Giacomo Lorenzetti
Date 2021-07-26 05:48:58 UTC
Simplification in LMR This commit removes the `!captureOrPromotion` condition from ttCapture reduction and from good/bad history reduction (similar to #3619). passed STC: https://tests.stockfishchess.org/tests/view/60fc734ad8a6b65b2f3a7922 LLR: 2.97 (-2.94,2.94) <-2.50,0.50> Total: 48680 W: 3855 L: 3776 D: 41049 Ptnml(0-2): 118, 3145, 17744, 3206, 127 passed LTC: https://tests.stockfishchess.org/tests/view/60fce7d5d8a6b65b2f3a794c LLR: 2.93 (-2.94,2.94) <-2.50,0.50> Total: 86528 W: 2471 L: 2450 D: 81607 Ptnml(0-2): 28, 2203, 38777, 2232, 24 closes https://github.com/official-stockfish/Stockfish/pull/3629 Bench: 4951406
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