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Update default net to nn-62ef826d1a6d.nnue

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Include scaling change as suggested by Dietrich Kappe,
the one who trained net for Komodo.  According to him,
some nets may require different scaling in order to utilize its full strength.

STC:
LLR: 2.93 (-2.94,2.94) {-0.25,1.25}
Total: 99856 W: 9669 L: 9401 D: 80786
Ptnml(0-2): 374, 7468, 34037, 7614, 435
https://tests.stockfishchess.org/tests/view/5fc2697642a050a89f02c8ec

LTC:
LLR: 2.96 (-2.94,2.94) {0.25,1.25}
Total: 29840 W: 1220 L: 1081 D: 27539
Ptnml(0-2): 10, 969, 12827, 1100, 14
https://tests.stockfishchess.org/tests/view/5fc2ea5142a050a89f02c957

Bench: 3561701
This commit is contained in:
SFisGOD
2020-11-28 23:14:34 +08:00
committed by Joost VandeVondele
parent 2442ba2b0e
commit 7364006757
2 changed files with 2 additions and 2 deletions
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2
src/evaluate.cpp
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@@ -1037,7 +1037,7 @@ Value Eval::evaluate(const Position& pos) {
// Scale and shift NNUE for compatibility with search and classical evaluation
auto adjusted_NNUE = [&](){
int mat = pos.non_pawn_material() + PawnValueMg * pos.count<PAWN>();
return NNUE::evaluate(pos) * (720 + mat / 32) / 1024 + Tempo;
return NNUE::evaluate(pos) * (679 + mat / 32) / 1024 + Tempo;
};
// If there is PSQ imbalance use classical eval, with small probability if it is small