Dev Builds » 20210822-0709

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 08:17:37 1962167 3333 2838 5 490 +436.41 +/- 15.39
ncm-et-4 08:17:58 1962615 3341 2857 4 480 +441.42 +/- 15.54
ncm-et-9 08:18:05 1961595 3355 2840 8 507 +429.19 +/- 15.13
ncm-et-10 08:18:00 1954727 3322 2838 6 478 +439.58 +/- 15.58
ncm-et-13 08:18:04 1959258 3309 2835 9 465 +441.55 +/- 15.81
ncm-et-15 08:18:09 1960968 3340 2862 6 472 +442.91 +/- 15.69
20000 17070 38 2892 +438.45 +/- 6.32

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
151022 ncm-et-13 2021-08-23 06:18 00:46:58 1958471 309 269 0 40 +463.94 +/- 55.18
151021 ncm-et-10 2021-08-23 06:17 00:47:51 1952539 322 281 3 38 +453.88 +/- 56.66
151020 ncm-et-3 2021-08-23 06:15 00:49:24 1962618 333 292 0 41 +473.23 +/- 54.5
151019 ncm-et-15 2021-08-23 06:14 00:50:55 1962152 340 289 0 51 +436.43 +/- 48.5
151018 ncm-et-4 2021-08-23 06:14 00:51:09 1963246 341 291 0 50 +440.69 +/- 49.01
151017 ncm-et-9 2021-08-23 06:11 00:53:39 1966462 355 299 1 55 +423.62 +/- 46.71
151016 ncm-et-10 2021-08-23 05:01 01:15:00 1947362 500 417 1 82 +415.05 +/- 37.98
151015 ncm-et-13 2021-08-23 05:00 01:16:58 1956343 500 428 0 72 +444.08 +/- 40.59
151014 ncm-et-3 2021-08-23 04:59 01:15:23 1960184 500 418 0 82 +419.61 +/- 37.91
151013 ncm-et-15 2021-08-23 04:59 01:14:31 1964612 500 436 0 64 +466.03 +/- 43.18
151012 ncm-et-4 2021-08-23 04:59 01:14:17 1962056 500 426 1 73 +436.43 +/- 40.36
151011 ncm-et-9 2021-08-23 04:58 01:13:05 1961230 500 432 1 67 +452.04 +/- 42.22
151010 ncm-et-10 2021-08-23 03:47 01:14:14 1964790 500 424 0 76 +433.94 +/- 39.45
151009 ncm-et-3 2021-08-23 03:45 01:13:47 1968783 500 425 2 73 +431.48 +/- 40.4
151008 ncm-et-13 2021-08-23 03:45 01:14:44 1960307 500 429 2 69 +441.5 +/- 41.61
151007 ncm-et-15 2021-08-23 03:45 01:13:40 1969088 500 419 0 81 +421.93 +/- 38.15
151006 ncm-et-9 2021-08-23 03:43 01:14:08 1960172 500 413 2 85 +404.05 +/- 37.32
151005 ncm-et-4 2021-08-23 03:42 01:15:53 1958934 500 422 0 78 +429.05 +/- 38.92
151004 ncm-et-10 2021-08-23 02:32 01:13:41 1960769 500 426 1 73 +436.43 +/- 40.36
151003 ncm-et-9 2021-08-23 02:29 01:13:11 1963688 500 416 2 82 +410.58 +/- 38.02
151002 ncm-et-15 2021-08-23 02:29 01:15:16 1947673 500 425 1 74 +433.94 +/- 40.08
151001 ncm-et-3 2021-08-23 02:29 01:15:42 1953742 500 433 1 66 +454.76 +/- 42.55
151000 ncm-et-13 2021-08-23 02:27 01:16:51 1949846 500 430 2 68 +444.09 +/- 41.92
150999 ncm-et-4 2021-08-23 02:27 01:14:42 1958222 500 427 1 72 +438.95 +/- 40.66
150998 ncm-et-10 2021-08-23 01:15 01:16:32 1952521 500 427 0 73 +441.5 +/- 40.29
150997 ncm-et-9 2021-08-23 01:14 01:14:28 1959082 500 420 1 79 +421.93 +/- 38.73
150996 ncm-et-3 2021-08-23 01:14 01:14:19 1962769 500 423 1 76 +429.05 +/- 39.52
150995 ncm-et-13 2021-08-23 01:13 01:13:23 1962304 500 429 0 71 +446.7 +/- 40.89
150994 ncm-et-15 2021-08-23 01:13 01:15:22 1962478 500 429 1 70 +444.09 +/- 41.26
150993 ncm-et-4 2021-08-23 01:12 01:14:10 1968010 500 428 1 71 +441.5 +/- 40.95
150992 ncm-et-3 2021-08-22 23:59 01:14:07 1963996 500 423 0 77 +431.48 +/- 39.18
150991 ncm-et-10 2021-08-22 23:59 01:15:41 1950761 500 430 1 69 +446.7 +/- 41.57
150990 ncm-et-13 2021-08-22 23:58 01:14:25 1963689 500 431 4 65 +441.5 +/- 42.88
150989 ncm-et-4 2021-08-22 23:58 01:13:35 1963539 500 431 1 68 +449.35 +/- 41.89
150988 ncm-et-15 2021-08-22 23:57 01:14:46 1960461 500 432 2 66 +449.35 +/- 42.58
150987 ncm-et-9 2021-08-22 23:57 01:15:50 1958834 500 424 0 76 +433.94 +/- 39.45
150986 ncm-et-3 2021-08-22 22:43 01:14:55 1963077 500 424 1 75 +431.48 +/- 39.8
150985 ncm-et-15 2021-08-22 22:43 01:13:39 1960316 500 432 2 66 +449.35 +/- 42.58
150984 ncm-et-10 2021-08-22 22:43 01:15:01 1954347 500 433 0 67 +457.52 +/- 42.15
150983 ncm-et-4 2021-08-22 22:43 01:14:12 1964303 500 432 0 68 +454.76 +/- 41.82
150982 ncm-et-9 2021-08-22 22:43 01:13:44 1961701 500 436 1 63 +463.16 +/- 43.6
150981 ncm-et-13 2021-08-22 22:43 01:14:45 1963846 500 419 1 80 +419.61 +/- 38.47

Commit

Commit ID 590447d7a162058ed1f68270c84aac4e2f256bb1
Author SFisGOD
Date 2021-08-22 07:09:58 UTC
Update default net to nn-517c4f68b5df.nnue SPSA: https://tests.stockfishchess.org/tests/view/611cf0da4977aa1525c9ca03 Parameters: 256 net weights and 8 net biases (output layer) Base net: nn-ac5605a608d6.nnue New net: nn-517c4f68b5df.nnue STC: LLR: 2.93 (-2.94,2.94) <-0.50,2.50> Total: 11600 W: 998 L: 851 D: 9751 Ptnml(0-2): 30, 705, 4186, 846, 33 https://tests.stockfishchess.org/tests/view/611f84524977aa1525c9cb5b LTC: LLR: 2.95 (-2.94,2.94) <0.50,3.50> Total: 9360 W: 338 L: 243 D: 8779 Ptnml(0-2): 0, 220, 4151, 303, 6 https://tests.stockfishchess.org/tests/view/611f8c5b4977aa1525c9cb64 closes https://github.com/official-stockfish/Stockfish/pull/3667 Bench: 4844618
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