1nb1kbnr/1pq5/r4pp1/2ppp2p/p1QP3N/6PP/PPP1PP2/RNB1KB1R b KQk - 0 13
FEN state: 1nb1kbnr/1pq5/r4pp1/2ppp2p/p1QP3N/6PP/PPP1PP2/RNB1KB1R b KQk - 0 13 ; Best move: d5c4
The current state of the chess board is: Black knight at b8, black bishop at c8, black king at e8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at b7 and black queen at c7. Black rook at a6, black pawn at f6 and black pawn at g6. Black pawn at c5, black pawn at d5, black pawn at e5 and black pawn at h5. Black pawn at a4, white queen at c4, white pawn at d4 and white knight at h4. White pawn at g3 and white pawn at h3. White pawn at a2, white pawn at b2, white pawn at c2, white pawn at e2 and white pawn at f2. White rook at a1, white knight at b1, white bishop at c1, white king at e1, white bishop at f1 and white rook at h1. White kingside, white queenside and black kingside castles are available. Half move number is 0. Full move number is 13. Black to move.