Dev Builds » 20210526-1532

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 08:14:55 1964844 3350 2692 21 637 +379.12 +/- 13.5
ncm-et-4 08:14:51 1967197 3354 2746 9 599 +397.76 +/- 13.9
ncm-et-9 08:14:55 1961513 3324 2716 17 591 +393.57 +/- 14.01
ncm-et-10 08:14:47 1954478 3307 2650 9 648 +380.36 +/- 13.35
ncm-et-13 08:14:36 1961712 3351 2707 14 630 +385.24 +/- 13.56
ncm-et-15 08:14:46 1955202 3314 2703 14 597 +393.0 +/- 13.94
20000 16214 84 3702 +388.06 +/- 5.59

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
147545 ncm-et-10 2021-05-27 01:21 00:44:57 1959697 307 246 1 60 +379.82 +/- 44.53
147544 ncm-et-15 2021-05-27 01:19 00:46:52 1966363 314 252 2 60 +378.04 +/- 44.61
147543 ncm-et-9 2021-05-27 01:17 00:49:10 1955893 324 258 1 65 +375.24 +/- 42.7
147542 ncm-et-4 2021-05-27 01:14 00:51:44 1968003 354 303 2 49 +436.79 +/- 49.69
147541 ncm-et-13 2021-05-27 01:14 00:51:44 1968931 351 292 1 58 +411.75 +/- 45.41
147540 ncm-et-3 2021-05-27 01:12 00:53:46 1958601 350 281 2 67 +378.96 +/- 42.14
147539 ncm-et-10 2021-05-27 00:06 01:14:12 1956952 500 405 1 94 +389.56 +/- 35.35
147538 ncm-et-15 2021-05-27 00:04 01:14:59 1949939 500 407 4 89 +387.57 +/- 36.48
147537 ncm-et-9 2021-05-27 00:03 01:13:22 1969919 500 404 2 94 +385.59 +/- 35.4
147536 ncm-et-13 2021-05-27 00:01 01:12:56 1961390 500 408 3 89 +391.57 +/- 36.46
147535 ncm-et-4 2021-05-27 00:00 01:13:28 1961266 500 409 0 91 +399.81 +/- 35.89
147534 ncm-et-3 2021-05-26 23:59 01:12:32 1965259 500 382 5 113 +341.24 +/- 32.24
147533 ncm-et-10 2021-05-26 22:50 01:15:18 1955432 500 401 1 98 +381.7 +/- 34.59
147532 ncm-et-15 2021-05-26 22:47 01:15:32 1957031 500 404 3 93 +383.64 +/- 35.64
147531 ncm-et-9 2021-05-26 22:47 01:14:58 1957440 500 399 5 96 +370.41 +/- 35.09
147530 ncm-et-4 2021-05-26 22:46 01:13:21 1968063 500 404 0 96 +389.56 +/- 34.9
147529 ncm-et-13 2021-05-26 22:45 01:15:30 1940269 500 416 1 83 +412.8 +/- 37.74
147528 ncm-et-3 2021-05-26 22:44 01:14:10 1969395 500 420 1 79 +421.93 +/- 38.73
147527 ncm-et-10 2021-05-26 21:35 01:14:31 1944505 500 398 0 102 +377.87 +/- 33.8
147526 ncm-et-9 2021-05-26 21:32 01:14:35 1967543 500 402 2 96 +381.7 +/- 35.02
147525 ncm-et-4 2021-05-26 21:32 01:13:40 1960924 500 419 2 79 +417.32 +/- 38.77
147524 ncm-et-15 2021-05-26 21:32 01:15:03 1950550 500 407 2 91 +391.57 +/- 36.01
147523 ncm-et-13 2021-05-26 21:31 01:12:33 1967701 500 405 1 94 +389.56 +/- 35.35
147522 ncm-et-3 2021-05-26 21:29 01:14:31 1959113 500 394 3 103 +364.98 +/- 33.79
147521 ncm-et-10 2021-05-26 20:19 01:15:55 1954652 500 394 2 104 +366.78 +/- 33.58
147520 ncm-et-9 2021-05-26 20:18 01:13:24 1968330 500 419 5 76 +410.58 +/- 39.55
147519 ncm-et-4 2021-05-26 20:18 01:13:18 1976856 500 409 2 89 +395.65 +/- 36.43
147518 ncm-et-15 2021-05-26 20:17 01:13:53 1953136 500 394 1 105 +368.59 +/- 33.35
147517 ncm-et-13 2021-05-26 20:17 01:13:52 1962464 500 400 2 98 +377.87 +/- 34.64
147516 ncm-et-3 2021-05-26 20:15 01:13:53 1968028 500 405 4 91 +383.64 +/- 36.06
147515 ncm-et-4 2021-05-26 19:03 01:13:52 1971263 500 400 3 97 +375.98 +/- 34.86
147514 ncm-et-10 2021-05-26 19:03 01:14:35 1952222 500 412 4 84 +397.72 +/- 37.58
147513 ncm-et-9 2021-05-26 19:03 01:14:29 1957096 500 422 1 77 +426.65 +/- 39.25
147512 ncm-et-13 2021-05-26 19:02 01:14:30 1965230 500 393 3 104 +363.2 +/- 33.62
147511 ncm-et-15 2021-05-26 19:02 01:15:09 1945402 500 425 1 74 +433.94 +/- 40.08
147510 ncm-et-3 2021-05-26 19:01 01:13:07 1964334 500 402 2 96 +381.7 +/- 35.02
147509 ncm-et-13 2021-05-26 17:48 01:13:31 1966001 500 393 3 104 +363.2 +/- 33.62
147508 ncm-et-15 2021-05-26 17:48 01:13:18 1963999 500 414 1 85 +408.38 +/- 37.27
147507 ncm-et-10 2021-05-26 17:47 01:15:19 1957889 500 394 0 106 +370.41 +/- 33.12
147506 ncm-et-9 2021-05-26 17:47 01:14:57 1954370 500 412 1 87 +404.05 +/- 36.82
147505 ncm-et-4 2021-05-26 17:47 01:15:28 1964007 500 402 0 98 +385.59 +/- 34.52
147504 ncm-et-3 2021-05-26 17:47 01:12:56 1969184 500 408 4 88 +389.56 +/- 36.69

Commit

Commit ID 1b325bf86d02e02af8f693e7e1e70c8be5c7967b
Author Stefan Geschwentner
Date 2021-05-26 15:32:54 UTC
Less reduction for capture/promotions. Exclude captures/promotions at expected cut nodes (which also not a former PV node) from LMR if a response to the first previous opponent move. STC: LLR: 2.93 (-2.94,2.94) <-0.50,2.50> Total: 288656 W: 24886 L: 24413 D: 239357 Ptnml(0-2): 900, 19738, 102578, 20213, 899 https://tests.stockfishchess.org/tests/view/60ad505112066fd29979595b LTC: LLR: 2.97 (-2.94,2.94) <0.50,3.50> Total: 31344 W: 1107 L: 975 D: 29262 Ptnml(0-2): 12, 879, 13757, 1013, 11 https://tests.stockfishchess.org/tests/view/60adffce12066fd2997959d2 closes https://github.com/official-stockfish/Stockfish/pull/3500 Bench: 3827710
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