Dev Builds » 20210731-1329

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 08:17:15 1963853 3357 2838 14 505 +425.73 +/- 15.17
ncm-et-4 08:17:28 1962724 3353 2795 3 555 +415.82 +/- 14.43
ncm-et-9 08:17:17 1953867 3279 2772 8 499 +427.78 +/- 15.25
ncm-et-10 08:17:33 1956779 3321 2811 7 503 +429.45 +/- 15.19
ncm-et-13 08:17:16 1963042 3367 2828 5 534 +422.44 +/- 14.73
ncm-et-15 08:17:20 1952785 3323 2770 4 549 +415.48 +/- 14.52
20000 16814 41 3145 +422.69 +/- 6.06

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
150518 ncm-et-9 2021-07-31 21:36 00:42:40 1959713 279 231 0 48 +410.52 +/- 49.96
150517 ncm-et-10 2021-07-31 21:30 00:48:42 1958502 321 266 1 54 +407.88 +/- 47.12
150516 ncm-et-15 2021-07-31 21:30 00:48:37 1951471 323 272 1 50 +423.11 +/- 49.1
150515 ncm-et-4 2021-07-31 21:26 00:52:22 1967541 353 305 1 47 +450.95 +/- 50.78
150514 ncm-et-3 2021-07-31 21:26 00:52:38 1969125 357 308 3 46 +441.94 +/- 51.31
150513 ncm-et-13 2021-07-31 21:24 00:54:35 1964935 367 310 1 56 +426.61 +/- 46.29
150512 ncm-et-9 2021-07-31 20:19 01:15:26 1953439 500 430 3 67 +441.5 +/- 42.25
150511 ncm-et-10 2021-07-31 20:14 01:14:44 1958167 500 427 1 72 +438.95 +/- 40.66
150510 ncm-et-15 2021-07-31 20:13 01:15:44 1955586 500 406 1 93 +391.57 +/- 35.55
150509 ncm-et-4 2021-07-31 20:12 01:12:50 1972352 500 420 1 79 +421.93 +/- 38.73
150508 ncm-et-3 2021-07-31 20:12 01:13:16 1960331 500 414 1 85 +408.38 +/- 37.27
150507 ncm-et-13 2021-07-31 20:09 01:14:07 1968466 500 420 0 80 +424.27 +/- 38.4
150506 ncm-et-9 2021-07-31 19:03 01:16:01 1951306 500 422 0 78 +429.05 +/- 38.92
150505 ncm-et-10 2021-07-31 18:59 01:15:08 1958942 500 429 1 70 +444.09 +/- 41.26
150504 ncm-et-4 2021-07-31 18:58 01:13:30 1967236 500 413 0 87 +408.38 +/- 36.75
150503 ncm-et-3 2021-07-31 18:57 01:14:11 1960956 500 422 3 75 +421.93 +/- 39.85
150502 ncm-et-15 2021-07-31 18:56 01:16:30 1938108 500 423 0 77 +431.48 +/- 39.18
150501 ncm-et-13 2021-07-31 18:54 01:13:43 1964920 500 421 1 78 +424.28 +/- 38.99
150500 ncm-et-9 2021-07-31 17:46 01:15:47 1948119 500 437 0 63 +468.95 +/- 43.54
150499 ncm-et-4 2021-07-31 17:44 01:13:57 1959849 500 395 0 105 +372.25 +/- 33.29
150498 ncm-et-10 2021-07-31 17:43 01:15:09 1956941 500 418 0 82 +419.61 +/- 37.91
150497 ncm-et-15 2021-07-31 17:42 01:12:59 1960316 500 420 1 79 +421.93 +/- 38.73
150496 ncm-et-3 2021-07-31 17:42 01:14:03 1967090 500 427 0 73 +441.5 +/- 40.29
150495 ncm-et-13 2021-07-31 17:40 01:13:39 1967082 500 425 1 74 +433.94 +/- 40.08
150494 ncm-et-9 2021-07-31 16:30 01:16:03 1957415 500 405 3 92 +385.59 +/- 35.84
150493 ncm-et-4 2021-07-31 16:27 01:15:32 1953435 500 408 1 91 +395.65 +/- 35.96
150492 ncm-et-15 2021-07-31 16:27 01:14:47 1955262 500 411 1 88 +401.92 +/- 36.6
150491 ncm-et-3 2021-07-31 16:27 01:14:43 1970023 500 416 1 83 +412.8 +/- 37.74
150490 ncm-et-10 2021-07-31 16:27 01:15:26 1950248 500 412 1 87 +404.05 +/- 36.82
150489 ncm-et-13 2021-07-31 16:26 01:13:11 1961079 500 412 2 86 +401.92 +/- 37.09
150488 ncm-et-13 2021-07-31 15:13 01:12:24 1960468 500 417 0 83 +417.31 +/- 37.67
150487 ncm-et-9 2021-07-31 15:13 01:16:02 1948577 500 414 1 85 +408.38 +/- 37.27
150486 ncm-et-4 2021-07-31 15:13 01:13:55 1961713 500 417 0 83 +417.31 +/- 37.67
150485 ncm-et-10 2021-07-31 15:12 01:13:58 1957097 500 427 2 71 +436.43 +/- 40.99
150484 ncm-et-15 2021-07-31 15:12 01:14:23 1946912 500 422 0 78 +429.05 +/- 38.92
150483 ncm-et-3 2021-07-31 15:11 01:15:10 1955893 500 433 3 64 +449.35 +/- 43.26
150482 ncm-et-3 2021-07-31 13:57 01:13:14 1963553 500 418 3 79 +412.8 +/- 38.79
150481 ncm-et-15 2021-07-31 13:57 01:14:20 1961841 500 416 0 84 +415.04 +/- 37.43
150480 ncm-et-9 2021-07-31 13:57 01:15:18 1958504 500 433 1 66 +454.76 +/- 42.55
150479 ncm-et-13 2021-07-31 13:57 01:15:37 1954347 500 423 0 77 +431.48 +/- 39.18
150478 ncm-et-10 2021-07-31 13:57 01:14:26 1957561 500 432 1 67 +452.04 +/- 42.22
150477 ncm-et-4 2021-07-31 13:57 01:15:22 1956947 500 437 0 63 +468.95 +/- 43.54

Commit

Commit ID a0fca67da4c5ae21bcc783acc03f3da2a6fbcd80
Author VoyagerOne
Date 2021-07-31 13:29:19 UTC
CMH Pruning Tweak replace CounterMovePruneThreshold by a depth dependent threshold STC: LLR: 2.94 (-2.94,2.94) <-0.50,2.50> Total: 35512 W: 2718 L: 2552 D: 30242 Ptnml(0-2): 66, 2138, 13194, 2280, 78 https://tests.stockfishchess.org/tests/view/6104442fafad2da4f4ae3b94 LTC: LLR: 2.96 (-2.94,2.94) <0.50,3.50> Total: 36536 W: 1150 L: 1019 D: 34367 Ptnml(0-2): 10, 920, 16278, 1049, 11 https://tests.stockfishchess.org/tests/view/6104b033afad2da4f4ae3bbc closes https://github.com/official-stockfish/Stockfish/pull/3636 Bench: 5848718
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