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Fix PGN parsing for piece moves to en-passant target squares #2425

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Fix PGN parsing for piece moves to en-passant target squares #2425

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7 changes: 4 additions & 3 deletions src/chess/pgn.h
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Original file line number Diff line number Diff line change
Expand Up @@ -291,7 +291,7 @@ class PgnReader {
}
Square to(File::FromIdx(c2), Rank::FromIdx(sr2));
Move move_to_find = promotion ? Move::WhitePromotion(sq, to, *promotion)
: enpassant && *enpassant == to
: p == 0 && enpassant && *enpassant == to
? Move::WhiteEnPassant(sq, to)
: Move::White(sq, to);
if (std::find(plm.begin(), plm.end(), move_to_find) == plm.end()) {
Expand Down Expand Up @@ -324,8 +324,9 @@ class PgnReader {
Square from(File::FromIdx(c1), Rank::FromIdx(r1));
Square to(File::FromIdx(c2), Rank::FromIdx(r2));
Move m = promotion ? Move::WhitePromotion(from, to, *promotion)
: enpassant && *enpassant == to ? Move::WhiteEnPassant(from, to)
: Move::White(from, to);
: p == 0 && enpassant && *enpassant == to
? Move::WhiteEnPassant(from, to)
: Move::White(from, to);
if (board.flipped()) m.Flip();
return m;
}
Expand Down