using std::string;
-namespace PSQT {
- extern Score psq[PIECE_NB][SQUARE_NB];
-}
-
namespace Zobrist {
Key psq[PIECE_NB][SQUARE_NB];
Zobrist::noPawns = rng.rand<Key>();
// Prepare the cuckoo tables
+ std::memset(cuckoo, 0, sizeof(cuckoo));
+ std::memset(cuckooMove, 0, sizeof(cuckooMove));
int count = 0;
for (Piece pc : Pieces)
for (Square s1 = SQ_A1; s1 <= SQ_H8; ++s1)
si->key = si->materialKey = 0;
si->pawnKey = Zobrist::noPawns;
si->nonPawnMaterial[WHITE] = si->nonPawnMaterial[BLACK] = VALUE_ZERO;
- si->psq = SCORE_ZERO;
si->checkersBB = attackers_to(square<KING>(sideToMove)) & pieces(~sideToMove);
set_check_info(si);
Square s = pop_lsb(&b);
Piece pc = piece_on(s);
si->key ^= Zobrist::psq[pc][s];
- si->psq += PSQT::psq[pc][s];
}
if (si->epSquare != SQ_NONE)
Square rfrom, rto;
do_castling<true>(us, from, to, rfrom, rto);
- st->psq += PSQT::psq[captured][rto] - PSQT::psq[captured][rfrom];
k ^= Zobrist::psq[captured][rfrom] ^ Zobrist::psq[captured][rto];
captured = NO_PIECE;
}
st->materialKey ^= Zobrist::psq[captured][pieceCount[captured]];
prefetch(thisThread->materialTable[st->materialKey]);
- // Update incremental scores
- st->psq -= PSQT::psq[captured][capsq];
-
// Reset rule 50 counter
st->rule50 = 0;
}
st->materialKey ^= Zobrist::psq[promotion][pieceCount[promotion]-1]
^ Zobrist::psq[pc][pieceCount[pc]];
- // Update incremental score
- st->psq += PSQT::psq[promotion][to] - PSQT::psq[pc][to];
-
// Update material
st->nonPawnMaterial[us] += PieceValue[MG][promotion];
}
st->rule50 = 0;
}
- // Update incremental scores
- st->psq += PSQT::psq[pc][to] - PSQT::psq[pc][from];
-
// Set capture piece
st->capturedPiece = captured;