Dev Builds » 20211031-2130

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 08:29:19 1966288 3367 2878 8 481 +439.45 +/- 15.54
ncm-et-4 08:29:36 1963940 3349 2851 4 494 +436.56 +/- 15.32
ncm-et-9 08:29:21 1962140 3344 2880 5 459 +449.02 +/- 15.91
ncm-et-10 08:06:24 1959375 3191 2701 4 486 +430.5 +/- 15.44
ncm-et-13 08:29:41 1964211 3392 2883 5 504 +434.52 +/- 15.17
ncm-et-15 08:29:22 1959081 3357 2848 9 500 +431.11 +/- 15.24
20000 17041 35 2924 +436.81 +/- 6.29

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
153281 ncm-et-10 2021-11-05 19:40 00:03:45 1969057 22 21 0 1 +653.04 +/- 370.28
153280 ncm-et-10 2021-11-05 19:17 00:18:56 1954652 122 103 1 18 +419.69 +/- 85.2
153279 ncm-et-4 2021-11-05 18:55 00:52:56 1970168 349 304 0 45 +464.67 +/- 51.87
153278 ncm-et-9 2021-11-05 18:54 00:53:26 1957605 344 278 0 66 +389.69 +/- 42.28
153277 ncm-et-3 2021-11-05 18:53 00:54:51 1969720 367 319 0 48 +462.03 +/- 50.13
153276 ncm-et-15 2021-11-05 18:52 00:55:50 1956951 357 297 0 60 +414.96 +/- 44.51
153275 ncm-et-13 2021-11-05 18:49 00:58:13 1969400 392 330 0 62 +426.45 +/- 43.79
153274 ncm-et-10 2021-11-05 18:01 01:14:47 1963540 500 422 1 77 +426.65 +/- 39.25
153273 ncm-et-10 2021-11-05 17:55 00:02:05 1960776 9 8 0 1 +491.83 +/- 454.92
153272 ncm-et-10 2021-11-05 17:44 00:07:42 1955268 47 43 0 4 +540.79 +/- 305.31
153271 ncm-et-9 2021-11-05 17:38 01:15:20 1961386 500 426 1 73 +436.43 +/- 40.36
153270 ncm-et-4 2021-11-05 17:37 01:17:12 1957281 500 425 1 74 +433.94 +/- 40.08
153269 ncm-et-3 2021-11-05 17:35 01:16:37 1957889 500 433 1 66 +454.76 +/- 42.55
153268 ncm-et-15 2021-11-05 17:35 01:15:54 1956953 500 430 2 68 +444.09 +/- 41.92
153267 ncm-et-10 2021-11-05 17:35 00:04:42 1958942 26 20 0 6 +353.78 +/- 167.23
153266 ncm-et-13 2021-11-05 17:33 01:15:21 1960157 500 425 1 74 +433.94 +/- 40.08
153265 ncm-et-10 2021-11-05 16:20 01:10:48 1947977 465 392 1 72 +425.3 +/- 40.63
153264 ncm-et-9 2021-11-05 16:20 01:17:27 1958779 500 438 1 61 +468.96 +/- 44.35
153263 ncm-et-3 2021-11-05 16:19 01:15:11 1967260 500 409 3 88 +393.6 +/- 36.68
153262 ncm-et-4 2021-11-05 16:19 01:16:49 1957403 500 423 1 76 +429.05 +/- 39.52
153261 ncm-et-15 2021-11-05 16:19 01:15:42 1959395 500 432 1 67 +452.04 +/- 42.22
153260 ncm-et-13 2021-11-05 16:17 01:15:44 1960926 500 424 1 75 +431.48 +/- 39.8
153259 ncm-et-10 2021-11-05 15:04 01:15:31 1969257 500 425 0 75 +436.43 +/- 39.73
153258 ncm-et-4 2021-11-05 15:03 01:15:33 1966488 500 421 1 78 +424.28 +/- 38.99
153257 ncm-et-3 2021-11-05 15:02 01:16:23 1957513 500 435 1 64 +460.32 +/- 43.24
153256 ncm-et-13 2021-11-05 15:02 01:14:05 1970641 500 415 0 85 +412.8 +/- 37.2
153255 ncm-et-9 2021-11-05 15:02 01:17:02 1958063 500 428 1 71 +441.5 +/- 40.95
153254 ncm-et-15 2021-11-05 15:01 01:17:26 1956383 500 438 0 62 +471.92 +/- 43.9
153253 ncm-et-10 2021-11-05 13:48 01:15:31 1966306 500 425 0 75 +436.43 +/- 39.73
153252 ncm-et-3 2021-11-05 13:47 01:14:31 1968952 500 436 0 64 +466.03 +/- 43.18
153251 ncm-et-4 2021-11-05 13:47 01:15:29 1962768 500 432 0 68 +454.76 +/- 41.82
153250 ncm-et-9 2021-11-05 13:46 01:15:06 1963551 500 438 1 61 +468.96 +/- 44.35
153249 ncm-et-15 2021-11-05 13:45 01:14:38 1960771 500 414 2 84 +406.2 +/- 37.55
153248 ncm-et-13 2021-11-05 13:45 01:16:24 1952771 500 429 1 70 +444.09 +/- 41.26
153247 ncm-et-10 2021-11-05 12:31 01:16:02 1955431 500 412 0 88 +406.2 +/- 36.53
153246 ncm-et-3 2021-11-05 12:31 01:15:46 1972653 500 417 3 80 +410.58 +/- 38.54
153245 ncm-et-4 2021-11-05 12:31 01:15:34 1963731 500 421 1 78 +424.28 +/- 38.99
153244 ncm-et-15 2021-11-05 12:30 01:14:35 1956646 500 418 1 81 +417.32 +/- 38.22
153243 ncm-et-13 2021-11-05 12:30 01:14:40 1965395 500 427 1 72 +438.95 +/- 40.66
153242 ncm-et-9 2021-11-05 12:30 01:15:58 1960928 500 429 0 71 +446.7 +/- 40.89
153241 ncm-et-15 2021-11-05 11:14 01:15:17 1966471 500 419 3 78 +415.05 +/- 39.05
153240 ncm-et-3 2021-11-05 11:14 01:16:00 1970032 500 429 0 71 +446.7 +/- 40.89
153239 ncm-et-4 2021-11-05 11:14 01:16:03 1969743 500 425 0 75 +436.43 +/- 39.73
153238 ncm-et-9 2021-11-05 11:14 01:15:02 1974669 500 443 1 56 +484.25 +/- 46.39
153237 ncm-et-10 2021-11-05 11:14 01:16:35 1951922 500 430 1 69 +446.7 +/- 41.57
153236 ncm-et-13 2021-11-05 11:14 01:15:14 1970192 500 433 1 66 +454.76 +/- 42.55

Commit

Commit ID 717d6c5ed503543c66eb7a2c10e8a97c88d99862
Author Joost VandeVondele
Date 2021-10-31 21:30:01 UTC
Widen the aspiration window for larger evals passed STC LLR: 2.93 (-2.94,2.94) <-0.50,2.50> Total: 36840 W: 9359 L: 9134 D: 18347 Ptnml(0-2): 111, 4130, 9722, 4337, 120 https://tests.stockfishchess.org/tests/view/617c601301c6d0988731d10a passed LTC LLR: 2.98 (-2.94,2.94) <0.50,3.50> Total: 64824 W: 16377 L: 16043 D: 32404 Ptnml(0-2): 27, 6712, 18618, 7010, 45 https://tests.stockfishchess.org/tests/view/617c720d01c6d0988731d114 closes https://github.com/official-stockfish/Stockfish/pull/3768 Bench: 7683058
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