/*
Stockfish, a UCI chess playing engine derived from Glaurung 2.1
- Copyright (C) 2004-2020 The Stockfish developers (see AUTHORS file)
+ Copyright (C) 2004-2021 The Stockfish developers (see AUTHORS file)
Stockfish is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
#include "bitboard.h"
#include "evaluate.h"
+#include "psqt.h"
#include "types.h"
#include "nnue/nnue_accumulator.h"
Bitboard blockers_for_king(Color c) const;
Bitboard check_squares(PieceType pt) const;
Bitboard pinners(Color c) const;
- bool is_discovery_check_on_king(Color c, Move m) const;
+ bool is_discovered_check_on_king(Color c, Move m) const;
// Attacks to/from a given square
Bitboard attackers_to(Square s) const;
bool chess960;
};
-namespace PSQT {
- extern Score psq[PIECE_NB][SQUARE_NB];
-}
-
extern std::ostream& operator<<(std::ostream& os, const Position& pos);
inline Color Position::side_to_move() const {
return st->checkSquares[pt];
}
-inline bool Position::is_discovery_check_on_king(Color c, Move m) const {
+inline bool Position::is_discovered_check_on_king(Color c, Move m) const {
return st->blockersForKing[c] & from_sq(m);
}
}
inline Key Position::key() const {
- return st->key;
+ return st->rule50 < 14 ? st->key
+ : st->key ^ make_key((st->rule50 - 14) / 8);
}
inline Key Position::pawn_key() const {
inline bool Position::capture(Move m) const {
assert(is_ok(m));
// Castling is encoded as "king captures rook"
- return (!empty(to_sq(m)) && type_of(m) != CASTLING) || type_of(m) == ENPASSANT;
+ return (!empty(to_sq(m)) && type_of(m) != CASTLING) || type_of(m) == EN_PASSANT;
}
inline Piece Position::captured_piece() const {