Dev Builds » 20211105-2120

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 08:26:31 1959040 3322 2824 6 492 +434.3 +/- 15.36
ncm-et-4 08:26:47 1961204 3329 2861 9 459 +445.02 +/- 15.92
ncm-et-9 08:26:27 1962947 3361 2855 4 502 +434.26 +/- 15.19
ncm-et-10 08:26:45 1955715 3311 2797 6 508 +427.79 +/- 15.11
ncm-et-13 08:26:48 1959801 3335 2802 7 526 +422.03 +/- 14.85
ncm-et-15 08:26:42 1960002 3342 2840 8 494 +433.2 +/- 15.33
20000 16979 40 2981 +432.65 +/- 6.23

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
153376 ncm-et-10 2021-11-06 14:26 00:47:58 1956339 311 272 1 38 +465.15 +/- 56.84
153375 ncm-et-3 2021-11-06 14:24 00:49:34 1957887 322 273 1 48 +429.93 +/- 50.17
153374 ncm-et-4 2021-11-06 14:24 00:50:16 1972039 329 277 1 51 +422.99 +/- 48.59
153373 ncm-et-13 2021-11-06 14:23 00:51:21 1956335 335 277 2 56 +402.87 +/- 46.3
153372 ncm-et-15 2021-11-06 14:22 00:51:50 1953912 342 294 2 46 +441.25 +/- 51.36
153371 ncm-et-9 2021-11-06 14:20 00:53:49 1962918 361 293 0 68 +393.22 +/- 41.65
153370 ncm-et-3 2021-11-06 13:09 01:15:04 1971262 500 426 1 73 +436.43 +/- 40.36
153369 ncm-et-10 2021-11-06 13:08 01:17:29 1955263 500 423 1 76 +429.05 +/- 39.52
153368 ncm-et-4 2021-11-06 13:06 01:16:46 1958011 500 423 3 74 +424.28 +/- 40.13
153367 ncm-et-9 2021-11-06 13:05 01:14:02 1966972 500 424 2 74 +429.05 +/- 40.11
153366 ncm-et-13 2021-11-06 13:05 01:17:02 1958019 500 422 3 75 +421.93 +/- 39.85
153365 ncm-et-15 2021-11-06 13:05 01:16:34 1958938 500 425 0 75 +436.43 +/- 39.73
153364 ncm-et-3 2021-11-06 11:52 01:15:49 1957259 500 417 0 83 +417.31 +/- 37.67
153363 ncm-et-10 2021-11-06 11:51 01:16:03 1954811 500 414 2 84 +406.2 +/- 37.55
153362 ncm-et-4 2021-11-06 11:50 01:15:57 1955967 500 427 2 71 +436.43 +/- 40.99
153361 ncm-et-9 2021-11-06 11:49 01:15:17 1971253 500 423 0 77 +431.48 +/- 39.18
153360 ncm-et-15 2021-11-06 11:49 01:14:51 1961701 500 417 0 83 +417.31 +/- 37.67
153359 ncm-et-13 2021-11-06 11:48 01:16:28 1955871 500 421 0 79 +426.65 +/- 38.66
153358 ncm-et-10 2021-11-06 10:34 01:16:04 1954196 500 418 0 82 +419.61 +/- 37.91
153357 ncm-et-3 2021-11-06 10:34 01:17:09 1953892 500 421 1 78 +424.28 +/- 38.99
153356 ncm-et-15 2021-11-06 10:33 01:15:17 1966346 500 413 1 86 +406.2 +/- 37.04
153355 ncm-et-4 2021-11-06 10:31 01:17:28 1956968 500 436 0 64 +466.03 +/- 43.18
153354 ncm-et-13 2021-11-06 10:31 01:15:44 1957263 500 413 0 87 +408.38 +/- 36.75
153353 ncm-et-9 2021-11-06 10:31 01:17:57 1948692 500 435 0 65 +463.15 +/- 42.83
153352 ncm-et-3 2021-11-06 09:18 01:15:10 1960779 500 424 2 74 +429.05 +/- 40.11
153351 ncm-et-15 2021-11-06 09:17 01:15:38 1960482 500 428 3 69 +436.43 +/- 41.61
153350 ncm-et-10 2021-11-06 09:17 01:17:12 1951045 500 415 0 85 +412.8 +/- 37.2
153349 ncm-et-13 2021-11-06 09:17 01:14:10 1964480 500 431 1 68 +449.35 +/- 41.89
153348 ncm-et-9 2021-11-06 09:15 01:14:54 1964320 500 429 1 70 +444.09 +/- 41.26
153347 ncm-et-4 2021-11-06 09:15 01:15:39 1960463 500 434 2 64 +454.76 +/- 43.27
153346 ncm-et-3 2021-11-06 08:01 01:16:58 1956941 500 428 0 72 +444.08 +/- 40.59
153345 ncm-et-10 2021-11-06 08:00 01:15:37 1965073 500 423 2 75 +426.65 +/- 39.83
153344 ncm-et-9 2021-11-06 08:00 01:15:02 1966463 500 437 0 63 +468.95 +/- 43.54
153343 ncm-et-4 2021-11-06 08:00 01:15:02 1969246 500 439 1 60 +471.92 +/- 44.73
153342 ncm-et-13 2021-11-06 07:59 01:16:36 1959098 500 413 1 86 +406.2 +/- 37.04
153341 ncm-et-15 2021-11-06 07:59 01:17:06 1958173 500 432 1 67 +452.04 +/- 42.22
153340 ncm-et-9 2021-11-06 06:44 01:15:26 1960015 500 414 1 85 +408.38 +/- 37.27
153339 ncm-et-3 2021-11-06 06:43 01:16:47 1955264 500 435 1 64 +460.32 +/- 43.24
153338 ncm-et-10 2021-11-06 06:43 01:16:22 1953282 500 432 0 68 +454.76 +/- 41.82
153337 ncm-et-13 2021-11-06 06:43 01:15:27 1967546 500 425 0 75 +436.43 +/- 39.73
153336 ncm-et-15 2021-11-06 06:43 01:15:26 1960464 500 431 1 68 +449.35 +/- 41.89
153335 ncm-et-4 2021-11-06 06:43 01:15:39 1955738 500 425 0 75 +436.43 +/- 39.73

Commit

Commit ID 45e5e65a28ce7e304c279fabf5f8a83cced73013
Author Joost VandeVondele
Date 2021-11-05 21:20:37 UTC
do not store qsearch positions in TT as exact. in qsearch don't store positions in TT with the exact flag. passed STC: https://tests.stockfishchess.org/tests/view/617f9a29af49befdeee40231 LLR: 2.95 (-2.94,2.94) <-2.25,0.25> Total: 155568 W: 39003 L: 39022 D: 77543 Ptnml(0-2): 403, 17854, 41305, 17803, 419 passed LTC: https://tests.stockfishchess.org/tests/view/6180d47259e71df00dcc42a5 LLR: 2.94 (-2.94,2.94) <-2.25,0.25> Total: 79640 W: 19993 L: 19910 D: 39737 Ptnml(0-2): 37, 8356, 22957, 8427, 43 closes https://github.com/official-stockfish/Stockfish/pull/3775 Bench: 7531210
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