#undef S
+ Score BishopPinBonus = make_score(27, 12);
+
// Bonus for having the side to move (modified by Joona Kiiski)
const Score Tempo = make_score(24, 11);
KingDangerTable[0][i] = apply_weight(make_score(t, 0), make_score(KingDanger[0], 0));
KingDangerTable[1][i] = apply_weight(make_score(t, 0), make_score(KingDanger[1], 0));
}
+
+ BishopPinBonus = make_score(Options["pin_open"], Options["pin_end"]);
}
else if (Piece == BISHOP && (PseudoAttacks[Piece][pos.king_square(Them)] & s)) {
const Bitboard between = BetweenBB[s][pos.king_square(Them)] & pos.pieces();
if (!more_than_one(between))
- score += make_score(15, 25);
+ score += BishopPinBonus;
}
// Bishop and knight outposts squares
& ~ei.attackedBy[Them][0];
if (undefendedMinors)
- score += more_than_one(undefendedMinors) ? UndefendedMinorPenalty * 2
- : UndefendedMinorPenalty;
+ score += UndefendedMinorPenalty;
// Enemy pieces not defended by a pawn and under our attack
weakEnemies = pos.pieces(Them)