It worked by accident because we always called both directions,
but definition was wrong.
Functional change due to different generation order, but
perft numbers are the correct ones.
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
const Bitboard TRank7BB = (Us == WHITE ? Rank7BB : Rank2BB);
const Bitboard TRank3BB = (Us == WHITE ? Rank3BB : Rank6BB);
const Square UP = (Us == WHITE ? DELTA_N : DELTA_S);
const Bitboard TRank7BB = (Us == WHITE ? Rank7BB : Rank2BB);
const Bitboard TRank3BB = (Us == WHITE ? Rank3BB : Rank6BB);
const Square UP = (Us == WHITE ? DELTA_N : DELTA_S);
- const Square RIGHT_UP = (Us == WHITE ? DELTA_NE : DELTA_SE);
- const Square LEFT_UP = (Us == WHITE ? DELTA_NW : DELTA_SW);
+ const Square RIGHT_UP = (Us == WHITE ? DELTA_NE : DELTA_SW);
+ const Square LEFT_UP = (Us == WHITE ? DELTA_NW : DELTA_SE);
Square to;
Bitboard b1, b2, dc1, dc2, pawnPushes, emptySquares;
Square to;
Bitboard b1, b2, dc1, dc2, pawnPushes, emptySquares;