HCha/Stockfish
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Merge branch 'master' of github.com:official-stockfish/Stockfish into nnue-player-merge

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nodchip
2020-08-08 19:47:32 +09:00
parent 22b85810fe 23ecf3d5c6
commit 3b5de9f18b
2 changed files with 13 additions and 7 deletions
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10
src/evaluate.cpp
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@@ -111,7 +111,7 @@ namespace {
constexpr Value LazyThreshold1 = Value(1400);
constexpr Value LazyThreshold2 = Value(1300);
constexpr Value SpaceThreshold = Value(12222);
constexpr Value NNUEThreshold = Value(500);
constexpr Value NNUEThreshold = Value(520);
// KingAttackWeights[PieceType] contains king attack weights by piece type
constexpr int KingAttackWeights[PIECE_TYPE_NB] = { 0, 0, 81, 52, 44, 10 };
@@ -346,7 +346,8 @@ namespace {
{
// Bonus if the piece is on an outpost square or can reach one
// Reduced bonus for knights (BadOutpost) if few relevant targets
bb = OutpostRanks & attackedBy[Us][PAWN] & ~pe->pawn_attacks_span(Them);
bb = OutpostRanks & (attackedBy[Us][PAWN] | shift<Down>(pos.pieces(PAWN)))
& ~pe->pawn_attacks_span(Them);
Bitboard targets = pos.pieces(Them) & ~pos.pieces(PAWN);
if ( Pt == KNIGHT
@@ -939,10 +940,9 @@ Value Eval::evaluate(const Position& pos) {
if (Eval::useNNUE)
{
Value balance = pos.non_pawn_material(WHITE) - pos.non_pawn_material(BLACK);
balance += 200 * (pos.count<PAWN>(WHITE) - pos.count<PAWN>(BLACK));
Value v = eg_value(pos.psq_score());
// Take NNUE eval only on balanced positions
if (abs(balance) < NNUEThreshold)
if (abs(v) < NNUEThreshold)
return NNUE::evaluate(pos) + Tempo;
}
return Evaluation<NO_TRACE>(pos).value();