Dev Builds » 20201014-1128

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 08:22:18 1963425 3331 2621 19 691 +364.22 +/- 12.94
ncm-et-4 08:24:53 1963204 3331 2628 10 693 +368.54 +/- 12.9
ncm-et-9 08:21:30 1968791 3341 2600 22 719 +355.89 +/- 12.69
ncm-et-10 08:22:26 1962412 3334 2612 24 698 +359.89 +/- 12.89
ncm-et-13 08:19:35 1961669 3335 2599 12 724 +359.43 +/- 12.62
ncm-et-15 08:20:23 1970184 3328 2607 19 702 +361.12 +/- 12.84
20000 15667 106 4227 +361.48 +/- 5.22

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
139875 ncm-et-3 2020-10-15 12:41 00:49:52 1962764 331 260 3 68 +360.06 +/- 41.82
139874 ncm-et-15 2020-10-15 12:40 00:49:59 1974202 328 256 3 69 +355.65 +/- 41.5
139873 ncm-et-10 2020-10-15 12:40 00:49:57 1967545 334 265 4 65 +364.48 +/- 42.84
139872 ncm-et-9 2020-10-15 12:40 00:49:57 1972651 341 265 1 75 +358.11 +/- 39.6
139871 ncm-et-13 2020-10-15 12:40 00:50:03 1960003 335 262 1 72 +362.41 +/- 40.46
139870 ncm-et-4 2020-10-15 12:40 00:49:59 1968481 331 250 1 80 +339.85 +/- 38.23
139785 ncm-et-4 2020-10-14 18:29 01:15:18 1968641 500 387 1 112 +356.21 +/- 32.24
139784 ncm-et-10 2020-10-14 18:27 01:14:11 1962320 500 393 2 105 +364.98 +/- 33.41
139783 ncm-et-9 2020-10-14 18:26 01:14:07 1971881 500 380 6 114 +336.46 +/- 32.11
139782 ncm-et-3 2020-10-14 18:25 01:15:59 1965231 500 399 3 98 +374.11 +/- 34.68
139781 ncm-et-15 2020-10-14 18:23 01:15:09 1973746 500 395 2 103 +368.59 +/- 33.75
139780 ncm-et-13 2020-10-14 18:22 01:16:02 1959849 500 378 1 121 +341.24 +/- 30.94
139779 ncm-et-9 2020-10-14 17:11 01:14:35 1968640 500 401 2 97 +379.78 +/- 34.83
139778 ncm-et-4 2020-10-14 17:10 01:17:11 1958221 500 411 1 88 +401.92 +/- 36.6
139777 ncm-et-10 2020-10-14 17:09 01:16:48 1953288 500 402 3 95 +379.78 +/- 35.24
139776 ncm-et-3 2020-10-14 17:08 01:15:14 1966304 500 397 0 103 +375.98 +/- 33.63
139775 ncm-et-13 2020-10-14 17:08 01:13:14 1964917 500 388 5 107 +351.11 +/- 33.17
139774 ncm-et-15 2020-10-14 17:08 01:14:44 1966319 500 399 1 100 +377.87 +/- 34.22
139773 ncm-et-9 2020-10-14 15:54 01:15:43 1965227 500 387 3 110 +352.8 +/- 32.64
139772 ncm-et-4 2020-10-14 15:54 01:15:48 1970026 500 385 1 114 +352.8 +/- 31.94
139771 ncm-et-10 2020-10-14 15:53 01:14:52 1964463 500 401 1 98 +381.7 +/- 34.59
139770 ncm-et-3 2020-10-14 15:53 01:14:50 1963532 500 396 3 101 +368.59 +/- 34.13
139769 ncm-et-13 2020-10-14 15:52 01:14:17 1961995 500 385 1 114 +352.8 +/- 31.94
139768 ncm-et-15 2020-10-14 15:52 01:15:02 1967397 500 390 2 108 +359.68 +/- 32.92
139767 ncm-et-4 2020-10-14 14:39 01:13:52 1970788 500 402 2 96 +381.7 +/- 35.02
139766 ncm-et-9 2020-10-14 14:37 01:15:44 1970648 500 399 4 97 +372.25 +/- 34.89
139765 ncm-et-3 2020-10-14 14:36 01:15:51 1961540 500 391 1 108 +363.2 +/- 32.86
139764 ncm-et-13 2020-10-14 14:35 01:15:55 1960925 500 404 0 96 +389.56 +/- 34.9
139763 ncm-et-15 2020-10-14 14:35 01:15:12 1965849 500 388 2 110 +356.21 +/- 32.6
139762 ncm-et-10 2020-10-14 14:35 01:16:42 1961252 500 382 6 112 +339.63 +/- 32.41
139761 ncm-et-4 2020-10-14 13:22 01:15:31 1964765 500 403 1 96 +385.59 +/- 34.96
139760 ncm-et-9 2020-10-14 13:20 01:16:03 1966780 500 379 1 120 +342.85 +/- 31.08
139759 ncm-et-3 2020-10-14 13:20 01:14:38 1963071 500 392 4 104 +359.68 +/- 33.64
139758 ncm-et-15 2020-10-14 13:19 01:14:57 1969410 500 393 6 101 +357.94 +/- 34.18
139757 ncm-et-13 2020-10-14 13:19 01:15:18 1963074 500 385 3 112 +349.43 +/- 32.33
139756 ncm-et-10 2020-10-14 13:19 01:15:29 1967236 500 385 5 110 +346.12 +/- 32.7
139755 ncm-et-9 2020-10-14 12:04 01:15:21 1965710 500 389 5 106 +352.8 +/- 33.33
139754 ncm-et-4 2020-10-14 12:04 01:17:14 1941511 500 390 3 107 +357.94 +/- 33.12
139753 ncm-et-13 2020-10-14 12:03 01:14:46 1960923 500 397 1 102 +374.11 +/- 33.87
139752 ncm-et-10 2020-10-14 12:03 01:14:27 1960780 500 384 3 113 +347.77 +/- 32.18
139751 ncm-et-3 2020-10-14 12:03 01:15:54 1961539 500 386 5 109 +347.77 +/- 32.85
139750 ncm-et-15 2020-10-14 12:03 01:15:20 1974365 500 386 3 111 +351.11 +/- 32.49

Commit

Commit ID ba73f8ce0d545a0f627b5bc8ba274ae9c85918f3
Author Joost VandeVondele
Date 2020-10-14 11:28:21 UTC
Update default net to nn-04cf2b4ed1da.nnue Further tune the net parameters, now the last but one layer (32x32). To limit the number of parameters optimized, the network layer was decomposed using SVD, and the singular values were treated as parameters and tuned. Tuning branch: https://github.com/vondele/Stockfish/tree/svdTune Tuner: https://github.com/vondele/nevergrad4sf passed STC: https://tests.stockfishchess.org/tests/view/5f83e82f8ea73fb8ddf83e4e LLR: 2.94 (-2.94,2.94) {-0.25,1.25} Total: 8488 W: 944 L: 795 D: 6749 Ptnml(0-2): 39, 609, 2811, 734, 51 passed LTC: https://tests.stockfishchess.org/tests/view/5f83f4118ea73fb8ddf83e66 LLR: 2.94 (-2.94,2.94) {0.25,1.25} Total: 169016 W: 8043 L: 7589 D: 153384 Ptnml(0-2): 133, 6623, 70538, 7085, 129 closes https://github.com/official-stockfish/Stockfish/pull/3181 Bench: 3945198
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