Dev Builds » 20220325-1914

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 11:52:33 1926650 3384 2875 4 505 +434.44 +/- 15.15
ncm-et-4 11:53:51 1835983 3069 2660 6 403 +455.83 +/- 16.99
ncm-et-9 11:51:19 1923945 3400 2929 3 468 +450.14 +/- 15.74
ncm-et-10 11:48:15 1928937 3376 2877 9 490 +435.84 +/- 15.4
ncm-et-13 11:51:45 1916010 3373 2858 6 509 +430.92 +/- 15.1
ncm-et-15 11:52:01 1925538 3398 2852 6 540 +421.41 +/- 14.65
20000 17051 34 2915 +437.5 +/- 6.3

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
157612 ncm-et-13 2022-03-26 10:11 00:14:19 1957564 65 58 0 7 +497.87 +/- 157.51
157611 ncm-et-15 2022-03-26 10:07 00:18:38 1965844 93 78 0 15 +422.74 +/- 94.22
157610 ncm-et-3 2022-03-26 10:05 00:20:01 1966922 95 85 0 10 +502.07 +/- 122.39
157609 ncm-et-9 2022-03-26 10:05 00:20:27 1969243 99 88 0 11 +492.15 +/- 114.91
157608 ncm-et-10 2022-03-26 10:02 00:23:06 1960467 111 92 0 19 +411.48 +/- 82.2
157607 ncm-et-4 2022-03-26 09:28 00:57:15 1969526 279 244 0 35 +469.76 +/- 59.25
157606 ncm-et-13 2022-03-26 08:28 01:42:43 1958936 500 420 0 80 +424.27 +/- 38.4
157605 ncm-et-15 2022-03-26 08:24 01:41:34 1960020 500 432 0 68 +454.76 +/- 41.82
157604 ncm-et-9 2022-03-26 08:23 01:41:41 1965102 500 437 0 63 +468.95 +/- 43.54
157603 ncm-et-3 2022-03-26 08:21 01:43:22 1953789 500 429 0 71 +446.7 +/- 40.89
157602 ncm-et-10 2022-03-26 08:19 01:42:41 1954061 500 408 4 88 +389.56 +/- 36.69
157601 ncm-et-9 2022-03-26 06:23 01:58:44 1645942 500 433 1 66 +454.76 +/- 42.55
157600 ncm-et-13 2022-03-26 06:23 02:04:17 1613137 500 423 2 75 +426.65 +/- 39.83
157599 ncm-et-15 2022-03-26 06:22 02:01:33 1663619 500 415 1 84 +410.58 +/- 37.5
157598 ncm-et-3 2022-03-26 06:22 01:58:40 1693113 500 414 0 86 +410.58 +/- 36.97
157597 ncm-et-10 2022-03-26 06:22 01:56:25 1717018 500 435 0 65 +463.15 +/- 42.83
157596 ncm-et-4 2022-03-26 06:20 03:07:15 1076697 500 424 1 75 +431.48 +/- 39.8
157595 ncm-et-10 2022-03-26 05:28 00:51:39 1965861 259 219 0 40 +430.94 +/- 55.06
157594 ncm-et-10 2022-03-26 05:23 00:01:36 1946784 6 6 0 0 +1199.83 +/- 215.27
157593 ncm-et-9 2022-03-26 05:20 01:00:01 1965844 301 258 2 41 +437.06 +/- 54.55
157592 ncm-et-4 2022-03-26 05:20 00:59:13 1953893 290 250 0 40 +452.12 +/- 55.14
157591 ncm-et-3 2022-03-26 05:20 01:00:44 1956505 289 249 0 40 +451.48 +/- 55.14
157590 ncm-et-15 2022-03-26 05:18 01:01:53 1968466 305 256 0 49 +423.5 +/- 49.47
157589 ncm-et-13 2022-03-26 05:17 01:03:16 1950908 308 260 1 47 +425.35 +/- 50.72
157588 ncm-et-10 2022-03-26 03:40 01:42:00 1958021 500 427 3 70 +433.94 +/- 41.3
157587 ncm-et-3 2022-03-26 03:38 01:41:11 1960782 500 420 1 79 +421.93 +/- 38.73
157586 ncm-et-9 2022-03-26 03:38 01:41:55 1964147 500 424 0 76 +433.94 +/- 39.45
157585 ncm-et-4 2022-03-26 03:37 01:42:36 1971414 500 431 1 68 +449.35 +/- 41.89
157584 ncm-et-13 2022-03-26 03:36 01:40:22 1963843 500 424 1 75 +431.48 +/- 39.8
157583 ncm-et-15 2022-03-26 03:36 01:41:47 1957858 500 421 2 77 +421.93 +/- 39.29
157582 ncm-et-10 2022-03-26 01:55 01:43:59 1958623 500 427 1 72 +438.95 +/- 40.66
157581 ncm-et-9 2022-03-26 01:54 01:43:02 1957100 500 427 0 73 +441.5 +/- 40.29
157580 ncm-et-4 2022-03-26 01:54 01:42:06 1959236 500 441 0 59 +481.09 +/- 45.07
157579 ncm-et-3 2022-03-26 01:53 01:43:45 1957601 500 431 1 68 +449.35 +/- 41.89
157578 ncm-et-13 2022-03-26 01:53 01:42:42 1960008 500 419 0 81 +421.93 +/- 38.15
157577 ncm-et-15 2022-03-26 01:52 01:43:34 1957572 500 423 0 77 +431.48 +/- 39.18
157576 ncm-et-10 2022-03-26 00:11 01:43:15 1945401 500 427 1 72 +438.95 +/- 40.66
157575 ncm-et-13 2022-03-26 00:10 01:41:37 1960617 500 417 0 83 +417.31 +/- 37.67
157574 ncm-et-4 2022-03-26 00:10 01:43:32 1956789 500 436 2 62 +460.32 +/- 43.99
157573 ncm-et-15 2022-03-26 00:09 01:41:50 1964008 500 421 1 78 +424.28 +/- 38.99
157572 ncm-et-9 2022-03-26 00:09 01:44:37 1958646 500 423 0 77 +431.48 +/- 39.18
157571 ncm-et-3 2022-03-26 00:09 01:44:09 1957709 500 421 2 77 +421.93 +/- 39.29
157570 ncm-et-9 2022-03-25 22:27 01:40:52 1965536 500 439 0 61 +474.93 +/- 44.28
157569 ncm-et-4 2022-03-25 22:27 01:41:54 1964331 500 434 2 64 +454.76 +/- 43.27
157568 ncm-et-3 2022-03-25 22:27 01:40:41 1966782 500 426 0 74 +438.95 +/- 40.01
157567 ncm-et-15 2022-03-25 22:27 01:41:12 1966922 500 406 2 92 +389.56 +/- 35.8
157566 ncm-et-13 2022-03-25 22:27 01:42:29 1963074 500 437 2 61 +463.16 +/- 44.37
157565 ncm-et-10 2022-03-25 22:27 01:43:34 1954201 500 436 0 64 +466.03 +/- 43.18

Commit

Commit ID 910cf8b21839eb9f1991934a5436eea112021723
Author Giacomo Lorenzetti
Date 2022-03-25 19:14:00 UTC
Remove pos.capture_or_promotion() This patch replaces `pos.capture_or_promotion()` with `pos.capture()` and comes after a few attempts with elo-gaining bounds, two of which failed yellow at LTC (https://tests.stockfishchess.org/tests/view/622f8f0cc9e950cbfc237024 and https://tests.stockfishchess.org/tests/view/62319a8bb3b498ba71a6b2dc). Passed non-regression STC: https://tests.stockfishchess.org/tests/view/623aff7eea447151c74828d3 LLR: 2.94 (-2.94,2.94) <-2.25,0.25> Total: 246864 W: 65462 L: 65618 D: 115784 Ptnml(0-2): 1201, 28116, 65001, 27866, 1248 Passed non-regression LTC: https://tests.stockfishchess.org/tests/view/623c1fdcea447151c7484fb0 LLR: 2.94 (-2.94,2.94) <-2.25,0.25> Total: 30120 W: 8125 L: 7978 D: 14017 Ptnml(0-2): 22, 2993, 8881, 3144, 20 closes https://github.com/official-stockfish/Stockfish/pull/3968 Bench: 6847732
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