r2q1b1r/ppp1pkpp/2n2p1n/3p3P/2P3b1/BP5N/P1NPPP2/1R1QKB1R b K - 3 10
FEN state: r2q1b1r/ppp1pkpp/2n2p1n/3p3P/2P3b1/BP5N/P1NPPP2/1R1QKB1R b K - 3 10 ; Best move: d5d4
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 pawn at a7, black pawn at b7, black pawn at c7, black pawn at e7, black king at f7, black pawn at g7 and black pawn at h7. Black knight at c6, black pawn at f6 and black knight at h6. Black pawn at d5 and white pawn at h5. White pawn at c4 and black bishop at g4. White bishop at a3, white pawn at b3 and white knight at h3. White pawn at a2, white knight at c2, white pawn at d2, white pawn at e2 and white pawn at f2. White rook at b1, white queen at d1, white king at e1, white bishop at f1 and white rook at h1. White kingside is the only castle move available. Half move number is 3. Full move number is 10. Black to move.