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Retire pawn storm evaluation

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More then 100 lines of almost useless evaluations. Prefer
code semplification to a very small and dubious advantage.

After 7457 games on russian cluster:
Mod - Orig: 1285 - 1334 - 4838  ELO -2 (+- 3.2)

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
This commit is contained in:
Joona Kiiski
2010-09-06 10:53:10 +03:00
committed by Marco Costalba
parent 5b5b496a6d
commit fa2478a81f
3 changed files with 7 additions and 112 deletions
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src/pawns.h
-15
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@@ -47,8 +47,6 @@ class PawnInfo {
public:
Score pawns_value() const;
Value kingside_storm_value(Color c) const;
Value queenside_storm_value(Color c) const;
Bitboard pawn_attacks(Color c) const;
Bitboard passed_pawns(Color c) const;
int file_is_half_open(Color c, File f) const;
@@ -67,8 +65,6 @@ private:
Bitboard pawnAttacks[2];
Square kingSquares[2];
Score value;
int ksStormValue[2];
int qsStormValue[2];
int halfOpenFiles[2];
Score kingShelters[2];
};
@@ -92,9 +88,6 @@ private:
template<Color Us>
Score evaluate_pawns(const Position& pos, Bitboard ourPawns, Bitboard theirPawns, PawnInfo* pi) const;
template<Color Us, SideType Side>
int evaluate_pawn_storm(Square s, Rank r, File f, Bitboard theirPawns) const;
PawnInfo* entries;
};
@@ -118,14 +111,6 @@ inline Bitboard PawnInfo::pawn_attacks(Color c) const {
return pawnAttacks[c];
}
inline Value PawnInfo::kingside_storm_value(Color c) const {
return Value(ksStormValue[c]);
}
inline Value PawnInfo::queenside_storm_value(Color c) const {
return Value(qsStormValue[c]);
}
inline Bitboard PawnInfo::passed_pawns(Color c) const {
return passedPawns[c];
}