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Simplify eval take 2. Bench 5097444

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Gary Linscott 2013-02-02 10:19:59 -05:00
parent 9f94d22801
commit a72710c660
1 changed files with 1 additions and 14 deletions
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15
src/evaluate.cpp
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@ -577,18 +577,6 @@ Value do_evaluate(const Position& pos, Value& margin) {
mobility += MobilityBonus[Piece][mob]; mobility += MobilityBonus[Piece][mob];
// Add a bonus if a slider is pinning an enemy piece
if ( (Piece == BISHOP || Piece == ROOK || Piece == QUEEN)
&& (PseudoAttacks[Piece][pos.king_square(Them)] & s))
{
b = BetweenBB[s][pos.king_square(Them)] & pos.pieces();
assert(b);
if (!more_than_one(b) && (b & pos.pieces(Them)))
score += ThreatBonus[Piece][type_of(pos.piece_on(lsb(b)))];
}
// Decrease score if we are attacked by an enemy pawn. Remaining part // Decrease score if we are attacked by an enemy pawn. Remaining part
// of threat evaluation must be done later when we have full attack info. // of threat evaluation must be done later when we have full attack info.
if (ei.attackedBy[Them][PAWN] & s) if (ei.attackedBy[Them][PAWN] & s)
@ -699,8 +687,7 @@ Value do_evaluate(const Position& pos, Value& margin) {
& ~ei.attackedBy[Them][0]; & ~ei.attackedBy[Them][0];
if (undefendedMinors) if (undefendedMinors)
score += more_than_one(undefendedMinors) ? UndefendedMinorPenalty * 2 score += UndefendedMinorPenalty;
: UndefendedMinorPenalty;
// Enemy pieces not defended by a pawn and under our attack // Enemy pieces not defended by a pawn and under our attack
weakEnemies = pos.pieces(Them) weakEnemies = pos.pieces(Them)