]> git.sesse.net Git - stockfish/commit
Update default net to nn-04cf2b4ed1da.nnue
authorJoost VandeVondele <Joost.VandeVondele@gmail.com>
Wed, 14 Oct 2020 08:23:30 +0000 (10:23 +0200)
committerStéphane Nicolet <cassio@free.fr>
Wed, 14 Oct 2020 11:28:21 +0000 (13:28 +0200)
commitba73f8ce0d545a0f627b5bc8ba274ae9c85918f3
treeebf07b001c662328483ddb4aebdf30f15dd3e21d
parent767b4f4fbe5ab2e63aceabd9005f4e1eb7cbcb51
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
src/evaluate.h