Chess position, Black to move White: king e1; queen d1; rooks a1, h1; bishops c1, f1; knights b1, g1; pawns a2, b2, c2, d2, e4, f2, g2, h2. Black: king e8; queen d8; rooks a8, h8; bishops c8, f8; knights b8, g8; pawns a7, b7, c7, d7, e7, f7, g7, h7. Black to move. castling KQkq. en passant e3. marked e2, e4. arrow c7 to c5. arrow e7 to e5. a 1 b 2 c 3 d 4 e 5 f 6 g 7 h 8