r1bq1bnr/1p1n1ppp/3k4/p1p1p2P/2P5/P3N1PB/RP1PPP2/2BQK1NR b K - 0 10
FEN state: r1bq1bnr/1p1n1ppp/3k4/p1p1p2P/2P5/P3N1PB/RP1PPP2/2BQK1NR b K - 0 10 ; Best move: d6c7
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at b7, black knight at d7, black pawn at f7, black pawn at g7 and black pawn at h7. Black king at d6. Black pawn at a5, black pawn at c5, black pawn at e5 and white pawn at h5. White pawn at c4. White pawn at a3, white knight at e3, white pawn at g3 and white bishop at h3. White rook at a2, white pawn at b2, white pawn at d2, white pawn at e2 and white pawn at f2. White bishop at c1, white queen at d1, 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 0. Full move number is 10. Black to move.