Dev Builds » 20220110-1835

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 11:14:33 1960916 3362 2885 4 473 +445.3 +/- 15.66
ncm-et-4 11:14:21 1931754 3290 2885 6 399 +470.55 +/- 17.08
ncm-et-9 11:14:32 1962276 3351 2883 9 459 +446.25 +/- 15.92
ncm-et-10 11:01:45 1953363 3259 2791 8 460 +441.43 +/- 15.9
ncm-et-13 11:14:29 1962481 3369 2898 6 465 +447.25 +/- 15.81
ncm-et-15 11:14:30 1959178 3369 2936 3 430 +464.0 +/- 16.44
20000 17278 36 2686 +452.18 +/- 6.57

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
156214 ncm-et-10 2022-01-11 06:29 00:41:41 1959239 206 179 0 27 +461.63 +/- 68.09
156213 ncm-et-4 2022-01-11 06:10 01:00:06 1899095 290 256 0 34 +482.28 +/- 60.22
156212 ncm-et-9 2022-01-11 06:00 01:10:41 1964919 351 310 0 41 +482.96 +/- 54.52
156211 ncm-et-15 2022-01-11 05:57 01:13:22 1960311 369 318 1 50 +448.13 +/- 49.15
156210 ncm-et-13 2022-01-11 05:56 01:13:59 1964461 369 316 2 51 +437.62 +/- 48.66
156209 ncm-et-3 2022-01-11 05:56 01:14:37 1956946 362 313 1 48 +451.88 +/- 50.22
156208 ncm-et-10 2022-01-11 04:48 01:40:25 1951921 500 428 2 70 +438.95 +/- 41.29
156207 ncm-et-4 2022-01-11 04:27 01:43:01 1935230 500 435 0 65 +463.15 +/- 42.83
156206 ncm-et-9 2022-01-11 04:19 01:40:08 1968783 500 437 0 63 +468.95 +/- 43.54
156205 ncm-et-15 2022-01-11 04:18 01:38:02 1962923 500 423 0 77 +431.48 +/- 39.18
156204 ncm-et-3 2022-01-11 04:15 01:40:20 1959388 500 428 0 72 +444.08 +/- 40.59
156203 ncm-et-13 2022-01-11 04:14 01:42:03 1967081 500 422 1 77 +426.65 +/- 39.25
156202 ncm-et-10 2022-01-11 03:05 01:42:07 1936188 500 430 2 68 +444.09 +/- 41.92
156201 ncm-et-4 2022-01-11 02:47 01:38:32 1961692 500 444 1 55 +487.45 +/- 46.83
156200 ncm-et-9 2022-01-11 02:37 01:41:34 1960477 500 436 1 63 +463.16 +/- 43.6
156199 ncm-et-15 2022-01-11 02:36 01:41:51 1958164 500 442 1 57 +481.1 +/- 45.96
156198 ncm-et-3 2022-01-11 02:34 01:40:18 1958628 500 433 0 67 +457.52 +/- 42.15
156197 ncm-et-13 2022-01-11 02:33 01:39:40 1963998 500 434 2 64 +454.76 +/- 43.27
156196 ncm-et-10 2022-01-11 01:23 01:41:45 1958476 500 426 0 74 +438.95 +/- 40.01
156195 ncm-et-4 2022-01-11 01:04 01:43:06 1938658 500 437 2 61 +463.16 +/- 44.37
156194 ncm-et-9 2022-01-11 00:55 01:40:56 1956640 500 422 1 77 +426.65 +/- 39.25
156193 ncm-et-15 2022-01-11 00:54 01:41:14 1961845 500 441 0 59 +481.09 +/- 45.07
156192 ncm-et-3 2022-01-11 00:54 01:39:35 1965226 500 430 0 70 +449.35 +/- 41.19
156191 ncm-et-13 2022-01-11 00:53 01:39:41 1962502 500 427 0 73 +441.5 +/- 40.29
156190 ncm-et-10 2022-01-10 23:42 01:39:29 1956821 500 434 3 63 +452.04 +/- 43.62
156189 ncm-et-4 2022-01-10 23:18 01:45:23 1865051 500 437 0 63 +468.95 +/- 43.54
156188 ncm-et-15 2022-01-10 23:15 01:38:27 1965841 500 435 1 64 +460.32 +/- 43.24
156187 ncm-et-9 2022-01-10 23:15 01:39:57 1961075 500 427 3 70 +433.94 +/- 41.3
156186 ncm-et-13 2022-01-10 23:14 01:38:56 1963240 500 435 0 65 +463.15 +/- 42.83
156185 ncm-et-3 2022-01-10 23:13 01:40:07 1967232 500 427 0 73 +441.5 +/- 40.29
156184 ncm-et-10 2022-01-10 21:59 01:43:04 1957706 500 422 0 78 +429.05 +/- 38.92
156183 ncm-et-4 2022-01-10 21:35 01:42:28 1944142 500 439 3 58 +466.04 +/- 45.52
156182 ncm-et-13 2022-01-10 21:34 01:38:23 1962503 500 434 1 65 +457.52 +/- 42.89
156181 ncm-et-9 2022-01-10 21:33 01:40:52 1959882 500 418 1 81 +417.32 +/- 38.22
156180 ncm-et-15 2022-01-10 21:33 01:41:13 1945470 500 439 0 61 +474.93 +/- 44.28
156179 ncm-et-3 2022-01-10 21:32 01:40:44 1957136 500 422 2 76 +424.28 +/- 39.56
156178 ncm-et-10 2022-01-10 20:17 01:41:34 1958846 500 425 1 74 +433.94 +/- 40.08
156177 ncm-et-10 2022-01-10 20:07 00:04:52 1956031 22 20 0 2 +528.71 +/- 414.36
156176 ncm-et-10 2022-01-10 20:00 00:03:49 1946761 17 16 0 1 +607.06 +/- 394.07
156175 ncm-et-9 2022-01-10 19:52 01:40:24 1964156 500 433 3 64 +449.35 +/- 43.26
156174 ncm-et-4 2022-01-10 19:52 01:41:45 1978413 500 437 0 63 +468.95 +/- 43.54
156173 ncm-et-13 2022-01-10 19:52 01:41:47 1953587 500 430 0 70 +449.35 +/- 41.19
156172 ncm-et-15 2022-01-10 19:52 01:40:21 1959696 500 438 0 62 +471.92 +/- 43.9
156171 ncm-et-3 2022-01-10 19:52 01:38:52 1961859 500 432 1 67 +452.04 +/- 42.22
156170 ncm-et-10 2022-01-10 19:52 00:02:59 1951645 14 11 0 3 +368.21 +/- 487.29

Commit

Commit ID 44b1ba89a95f394f3e180eb508f2d7798417c86e
Author Michael Chaly
Date 2022-01-10 18:35:53 UTC
Adjust pruning constants This patch is a modification of original tuning done by vondele that failed yellow. Value differences are divided by 2. Passed STC https://tests.stockfishchess.org/tests/view/61d918239fea7913d9c64cdf LLR: 2.94 (-2.94,2.94) <0.00,2.50> Total: 98968 W: 26248 L: 25858 D: 46862 Ptnml(0-2): 392, 11085, 26156, 11443, 408 Passed LTC https://tests.stockfishchess.org/tests/view/61d99e3c9fea7913d9c663e4 LLR: 2.95 (-2.94,2.94) <0.50,3.00> Total: 215232 W: 58191 L: 57492 D: 99549 Ptnml(0-2): 271, 22124, 62138, 22801, 282 closes https://github.com/official-stockfish/Stockfish/pull/3885 bench 4572746
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