Dev Builds » 20201018-1143

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 08:23:17 1962022 3340 2674 20 646 +376.56 +/- 13.4
ncm-et-4 08:23:24 1966123 3344 2613 16 715 +360.22 +/- 12.71
ncm-et-9 08:23:21 1967206 3359 2658 29 672 +365.58 +/- 13.15
ncm-et-10 08:23:16 1958009 3293 2604 25 664 +366.04 +/- 13.22
ncm-et-13 08:23:20 1958520 3318 2648 22 648 +373.59 +/- 13.38
ncm-et-15 08:23:22 1970311 3346 2668 12 666 +375.78 +/- 13.17
20000 15865 124 4011 +369.54 +/- 5.37

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
139959 ncm-et-10 2020-10-19 04:28 00:44:57 1956182 293 228 2 63 +355.64 +/- 43.44
139958 ncm-et-13 2020-10-19 04:26 00:47:27 1960167 318 261 0 57 +402.72 +/- 45.66
139957 ncm-et-3 2020-10-19 04:23 00:49:50 1963227 340 271 5 64 +365.3 +/- 43.16
139956 ncm-et-4 2020-10-19 04:22 00:51:18 1974670 344 270 1 73 +364.96 +/- 40.18
139955 ncm-et-15 2020-10-19 04:21 00:52:24 1970645 346 280 2 64 +385.07 +/- 43.16
139954 ncm-et-9 2020-10-19 04:19 00:53:46 1972960 359 289 1 69 +383.86 +/- 41.43
139953 ncm-et-10 2020-10-19 03:12 01:15:20 1965851 500 403 2 95 +383.64 +/- 35.21
139952 ncm-et-13 2020-10-19 03:08 01:17:01 1955566 500 405 4 91 +383.64 +/- 36.06
139951 ncm-et-3 2020-10-19 03:06 01:16:10 1960463 500 414 2 84 +406.2 +/- 37.55
139950 ncm-et-4 2020-10-19 03:05 01:15:45 1964305 500 394 3 103 +364.98 +/- 33.79
139949 ncm-et-15 2020-10-19 03:04 01:15:39 1972206 500 393 2 105 +364.98 +/- 33.41
139948 ncm-et-9 2020-10-19 03:03 01:15:00 1960325 500 394 6 100 +359.68 +/- 34.36
139947 ncm-et-10 2020-10-19 01:54 01:17:14 1955752 500 392 1 107 +364.98 +/- 33.02
139946 ncm-et-13 2020-10-19 01:51 01:15:36 1961075 500 389 6 105 +351.11 +/- 33.51
139945 ncm-et-3 2020-10-19 01:50 01:15:36 1963070 500 413 2 85 +404.05 +/- 37.32
139944 ncm-et-4 2020-10-19 01:48 01:15:44 1967851 500 388 1 111 +357.94 +/- 32.39
139943 ncm-et-15 2020-10-19 01:48 01:15:10 1974825 500 394 2 104 +366.78 +/- 33.58
139942 ncm-et-9 2020-10-19 01:48 01:14:46 1967713 500 389 3 108 +356.21 +/- 32.96
139941 ncm-et-10 2020-10-19 00:36 01:16:57 1954196 500 406 7 87 +379.78 +/- 36.87
139940 ncm-et-4 2020-10-19 00:33 01:13:54 1965996 500 388 6 106 +349.43 +/- 33.34
139939 ncm-et-13 2020-10-19 00:33 01:17:20 1955428 500 398 3 99 +372.25 +/- 34.49
139938 ncm-et-15 2020-10-19 00:33 01:14:23 1967076 500 403 3 94 +381.7 +/- 35.44
139937 ncm-et-3 2020-10-19 00:32 01:16:35 1958170 500 392 2 106 +363.2 +/- 33.24
139936 ncm-et-9 2020-10-19 00:31 01:15:41 1961849 500 398 4 98 +370.41 +/- 34.7
139935 ncm-et-10 2020-10-18 23:19 01:15:16 1965081 500 393 5 102 +359.68 +/- 34.0
139934 ncm-et-13 2020-10-18 23:16 01:15:25 1959543 500 395 3 102 +366.78 +/- 33.96
139933 ncm-et-15 2020-10-18 23:16 01:15:26 1968782 500 402 0 98 +385.59 +/- 34.52
139932 ncm-et-3 2020-10-18 23:16 01:14:54 1966150 500 390 4 106 +356.21 +/- 33.31
139931 ncm-et-4 2020-10-18 23:16 01:16:37 1953510 500 400 2 98 +377.87 +/- 34.64
139930 ncm-et-9 2020-10-18 23:15 01:14:18 1968625 500 392 5 103 +357.94 +/- 33.83
139929 ncm-et-4 2020-10-18 22:01 01:14:06 1963409 500 395 0 105 +372.25 +/- 33.29
139928 ncm-et-15 2020-10-18 22:00 01:14:44 1968004 500 394 3 103 +364.98 +/- 33.79
139927 ncm-et-10 2020-10-18 22:00 01:17:56 1954958 500 389 5 106 +352.8 +/- 33.33
139926 ncm-et-13 2020-10-18 22:00 01:15:09 1957399 500 396 3 101 +368.59 +/- 34.13
139925 ncm-et-9 2020-10-18 22:00 01:14:33 1969260 500 400 5 95 +372.25 +/- 35.28
139924 ncm-et-3 2020-10-18 21:59 01:15:40 1959852 500 400 2 98 +377.87 +/- 34.64
139923 ncm-et-3 2020-10-18 20:44 01:14:32 1963224 500 394 3 103 +364.98 +/- 33.79
139922 ncm-et-15 2020-10-18 20:44 01:15:36 1970641 500 402 0 98 +385.59 +/- 34.52
139921 ncm-et-13 2020-10-18 20:44 01:15:22 1960462 500 404 3 93 +383.64 +/- 35.64
139920 ncm-et-10 2020-10-18 20:44 01:15:36 1954043 500 393 3 104 +363.2 +/- 33.62
139919 ncm-et-9 2020-10-18 20:44 01:15:17 1969712 500 396 5 99 +364.98 +/- 34.53
139918 ncm-et-4 2020-10-18 20:44 01:16:00 1973121 500 378 3 119 +338.04 +/- 31.32

Commit

Commit ID 281d520cc2bb0123efd230fce45119b57f0bae0d
Author mstembera
Date 2020-10-18 11:43:26 UTC
Update default net to nn-eba324f53044.nnue The new net is based on the previous net 04cf2b4ed1da but with the biases for the 1st hidden layer tuned SPSA, see the SPSA session on fishtest there: https://tests.stockfishchess.org/tests/view/5f875213dcdad978fe8c5211 Thanks to @vondele for writing out the net, see discussion in this thread: https://github.com/mstembera/Stockfish/commit/432da86721647dff1d9426a7cdcfd2dbada8155e Passed STC: LLR: 2.94 (-2.94,2.94) {-0.25,1.25} Total: 15000 W: 1640 L: 1483 D: 11877 Ptnml(0-2): 50, 1183, 4908, 1278, 81 https://tests.stockfishchess.org/tests/view/5f8955e20fea1a44ec4f0a5d Passed LTC: LLR: 2.96 (-2.94,2.94) {0.25,1.25} Total: 81272 W: 3948 L: 3682 D: 73642 Ptnml(0-2): 64, 3194, 33856, 3456, 66 https://tests.stockfishchess.org/tests/view/5f89e8efeae8a6e60644d6e7 closes https://github.com/official-stockfish/Stockfish/pull/3187 Bench: 3762411
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