r2q1b1r/1b1kpppp/1p6/p2pPn2/P1B1P3/NP6/R3QPPP/4K1NR b K - 1 13
FEN state: r2q1b1r/1b1kpppp/1p6/p2pPn2/P1B1P3/NP6/R3QPPP/4K1NR b K - 1 13 ; Best move: d5c4
The current state of the chess board is: Black rook at a8, black queen at d8, black bishop at f8 and black rook at h8. Black bishop at b7, black king at d7, black pawn at e7, black pawn at f7, black pawn at g7 and black pawn at h7. Black pawn at b6. Black pawn at a5, black pawn at d5, white pawn at e5 and black knight at f5. White pawn at a4, white bishop at c4 and white pawn at e4. White knight at a3 and white pawn at b3. White rook at a2, white queen at e2, white pawn at f2, white pawn at g2 and white pawn at h2. White king at e1, white knight at g1 and white rook at h1. White kingside is the only castle move available. Half move number is 1. Full move number is 13. Black to move.