rnb1k2r/1p1pqppp/3b4/pNp1p3/3Pn1PP/P4N1B/1PP1PP2/R1BQK1R1 b Qkq - 0 10
FEN state: rnb1k2r/1p1pqppp/3b4/pNp1p3/3Pn1PP/P4N1B/1PP1PP2/R1BQK1R1 b Qkq - 0 10 ; Best move: c5d4
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black king at e8 and black rook at h8. Black pawn at b7, black pawn at d7, black queen at e7, black pawn at f7, black pawn at g7 and black pawn at h7. Black bishop at d6. Black pawn at a5, white knight at b5, black pawn at c5 and black pawn at e5. White pawn at d4, black knight at e4, white pawn at g4 and white pawn at h4. White pawn at a3, white knight at f3 and white bishop at h3. White pawn at b2, white pawn at c2, white pawn at e2 and white pawn at f2. White rook at a1, white bishop at c1, white queen at d1, white king at e1 and white rook at g1. White queenside, black kingside and black queenside castles are available. Half move number is 0. Full move number is 10. Black to move.