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Fix TB after capture_stage fix

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5c75c1c2fb
introduced a capture_stage() function, but TB usage needs a pure capture() function.

closes https://github.com/official-stockfish/Stockfish/pull/4428

No functional change.
This commit is contained in:
Joost VandeVondele
2023-03-05 17:26:12 +01:00
parent 70dfa141d5
commit 6ce225bb4c
2 changed files with 10 additions and 5 deletions
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11
src/position.h
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@@ -125,6 +125,7 @@ public:
// Properties of moves
bool legal(Move m) const;
bool pseudo_legal(const Move m) const;
bool capture(Move m) const;
bool capture_stage(Move m) const;
bool gives_check(Move m) const;
Piece moved_piece(Move m) const;
@@ -381,14 +382,18 @@ inline bool Position::is_chess960() const {
return chess960;
}
inline bool Position::capture(Move m) const {
assert(is_ok(m));
return (!empty(to_sq(m)) && type_of(m) != CASTLING)
|| type_of(m) == EN_PASSANT;
}
// returns true if a move is generated from the capture stage
// having also queen promotions covered, i.e. consistency with the capture stage move generation
// is needed to avoid the generation of duplicate moves.
inline bool Position::capture_stage(Move m) const {
assert(is_ok(m));
return (!empty(to_sq(m)) && type_of(m) != CASTLING)
|| (type_of(m) == PROMOTION && promotion_type(m) == QUEEN)
|| type_of(m) == EN_PASSANT;
return capture(m) || (type_of(m) == PROMOTION && promotion_type(m) == QUEEN);
}
inline Piece Position::captured_piece() const {