Dev Builds » 20211017-1554

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 12:33:32 1961142 5025 4271 7 747 +434.63 +/- 12.45
ncm-et-10 12:34:24 1953965 4964 4190 11 763 +426.49 +/- 12.32
ncm-et-13 12:34:32 1958599 5001 4243 8 750 +432.5 +/- 12.43
ncm-et-15 12:34:22 1957276 5010 4265 12 733 +435.06 +/- 12.58
20000 16969 38 2993 +432.16 +/- 6.22

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
152680 ncm-et-10 2021-10-22 17:19 00:01:13 1952226 2 2 0 0 +1199.83 +/- 312.71
152679 ncm-et-3 2021-10-22 17:16 00:04:08 1956959 23 21 0 2 +536.8 +/- 410.17
152678 ncm-et-13 2021-10-22 17:16 00:04:59 1954222 26 20 0 6 +353.78 +/- 167.23
152677 ncm-et-15 2021-10-22 17:15 00:05:18 1964610 31 29 0 2 +590.67 +/- 382.41
152676 ncm-et-10 2021-10-22 16:03 01:15:59 1952066 500 428 1 71 +441.5 +/- 40.95
152675 ncm-et-3 2021-10-22 16:00 01:15:10 1966009 500 431 1 68 +449.35 +/- 41.89
152674 ncm-et-13 2021-10-22 16:00 01:14:37 1961538 500 422 2 76 +424.28 +/- 39.56
152673 ncm-et-15 2021-10-22 16:00 01:14:54 1967562 500 422 1 77 +426.65 +/- 39.25
152672 ncm-et-10 2021-10-22 14:47 01:15:28 1954352 500 425 1 74 +433.94 +/- 40.08
152671 ncm-et-3 2021-10-22 14:45 01:14:28 1963544 500 418 0 82 +419.61 +/- 37.91
152670 ncm-et-13 2021-10-22 14:44 01:15:59 1959561 500 423 1 76 +429.05 +/- 39.52
152669 ncm-et-15 2021-10-22 14:43 01:15:30 1958780 500 426 1 73 +436.43 +/- 40.36
152668 ncm-et-10 2021-10-22 13:31 01:15:19 1957260 500 418 3 79 +412.8 +/- 38.79
152667 ncm-et-3 2021-10-22 13:29 01:16:06 1955571 500 427 0 73 +441.5 +/- 40.29
152666 ncm-et-13 2021-10-22 13:29 01:14:28 1966307 500 423 1 76 +429.05 +/- 39.52
152665 ncm-et-15 2021-10-22 13:28 01:15:16 1958473 500 438 1 61 +468.96 +/- 44.35
152664 ncm-et-13 2021-10-22 12:13 01:14:52 1961075 500 418 0 82 +419.61 +/- 37.91
152663 ncm-et-15 2021-10-22 12:13 01:13:50 1963076 500 422 2 76 +424.28 +/- 39.56
152662 ncm-et-3 2021-10-22 12:13 01:14:56 1969100 500 428 2 70 +438.95 +/- 41.29
152661 ncm-et-10 2021-10-22 12:13 01:16:56 1954806 500 418 0 82 +419.61 +/- 37.91
152573 ncm-et-3 2021-10-21 10:53 00:01:10 1964927 2 2 0 0 +1199.83 +/- 312.71
152572 ncm-et-10 2021-10-21 09:45 01:09:42 1950704 462 395 0 67 +442.76 +/- 42.12
152571 ncm-et-13 2021-10-21 09:43 01:12:14 1951000 475 393 1 81 +407.58 +/- 38.2
152570 ncm-et-15 2021-10-21 09:42 01:12:51 1958931 479 412 1 66 +446.75 +/- 42.54
152569 ncm-et-3 2021-10-21 09:37 01:15:31 1960004 500 431 0 69 +452.04 +/- 41.5
152568 ncm-et-10 2021-10-21 08:28 01:15:57 1958777 500 422 1 77 +426.65 +/- 39.25
152567 ncm-et-13 2021-10-21 08:28 01:14:14 1961074 500 421 0 79 +426.65 +/- 38.66
152566 ncm-et-15 2021-10-21 08:27 01:13:39 1966311 500 430 2 68 +444.09 +/- 41.92
152565 ncm-et-3 2021-10-21 08:22 01:15:01 1943486 500 418 1 81 +417.32 +/- 38.22
152564 ncm-et-10 2021-10-21 07:12 01:15:44 1949942 500 425 0 75 +436.43 +/- 39.73
152563 ncm-et-15 2021-10-21 07:11 01:15:44 1954533 500 431 2 67 +446.7 +/- 42.25
152562 ncm-et-13 2021-10-21 07:11 01:16:27 1956330 500 424 2 74 +429.05 +/- 40.11
152561 ncm-et-3 2021-10-21 07:07 01:13:38 1965997 500 415 2 83 +408.38 +/- 37.78
152560 ncm-et-10 2021-10-21 05:56 01:15:01 1956051 500 410 2 88 +397.72 +/- 36.65
152559 ncm-et-13 2021-10-21 05:55 01:14:39 1961688 500 428 1 71 +441.5 +/- 40.95
152558 ncm-et-15 2021-10-21 05:54 01:16:43 1923996 500 408 0 92 +397.72 +/- 35.69
152557 ncm-et-3 2021-10-21 05:52 01:14:20 1961106 500 418 1 81 +417.32 +/- 38.22
152556 ncm-et-10 2021-10-21 04:39 01:16:59 1948336 500 424 2 74 +429.05 +/- 40.11
152555 ncm-et-3 2021-10-21 04:38 01:13:36 1963625 500 429 0 71 +446.7 +/- 40.89
152554 ncm-et-13 2021-10-21 04:38 01:16:51 1951632 500 438 0 62 +471.92 +/- 43.9
152553 ncm-et-15 2021-10-21 04:37 01:15:48 1951156 500 424 0 76 +433.94 +/- 39.45
152552 ncm-et-10 2021-10-21 03:22 01:16:06 1959103 500 423 1 76 +429.05 +/- 39.52
152551 ncm-et-13 2021-10-21 03:22 01:15:12 1960165 500 433 0 67 +457.52 +/- 42.15
152550 ncm-et-3 2021-10-21 03:22 01:15:28 1963385 500 433 0 67 +457.52 +/- 42.15
152549 ncm-et-15 2021-10-21 03:22 01:14:49 1962618 500 423 2 75 +426.65 +/- 39.83

Commit

Commit ID 8a74c089286913f24a641aa37532006088d0f438
Author Stéphane Nicolet
Date 2021-10-17 15:54:39 UTC
Remove noLMRExtension flag This simplification patch removes the noLMRExtension flag. It was introduced in June (see following link for that commit), but does not seem to be necessary anymore. Link: https://github.com/official-stockfish/Stockfish/commit/e1f181ee643dcaa92c606b74b3abd23dede136cd STC: LLR: 2.94 (-2.94,2.94) <-2.50,0.50> Total: 21200 W: 5369 L: 5228 D: 10603 Ptnml(0-2): 67, 2355, 5616, 2494, 68 https://tests.stockfishchess.org/tests/view/616c03d299b580bf37797dcb LTC: LLR: 2.94 (-2.94,2.94) <-2.50,0.50> Total: 37536 W: 9387 L: 9278 D: 18871 Ptnml(0-2): 23, 3988, 10643, 4085, 29 https://tests.stockfishchess.org/tests/view/616c10f499b580bf37797ddd closes https://github.com/official-stockfish/Stockfish/pull/3743 Bench: 4792969
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