r1bq1bnr/ppp1p1p1/6k1/n2p1p1p/P2PP3/5PP1/RPPB3P/1N1QKBNR b K - 0 10
FEN state: r1bq1bnr/ppp1p1p1/6k1/n2p1p1p/P2PP3/5PP1/RPPB3P/1N1QKBNR b K - 0 10 ; Best move: a5c6
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 a7, black pawn at b7, black pawn at c7, black pawn at e7 and black pawn at g7. Black king at g6. Black knight at a5, black pawn at d5, black pawn at f5 and black pawn at h5. White pawn at a4, white pawn at d4 and white pawn at e4. White pawn at f3 and white pawn at g3. White rook at a2, white pawn at b2, white pawn at c2, white bishop at d2 and white pawn at h2. White knight at b1, white queen at d1, white king at e1, white bishop at f1, 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.