4 ms·

So here's the second question I'd ask: what happens if there was already a black pawn on the white queen's column?

• nicky0 9y ago
  Why would that matter? The bitboard representation allows for multiple pawns per column.
• qznc 9y ago
  A 64bit data type means one bit per field. It is not 8bit per pawn. It does not distinguish between pawns.