rnb2bnr/1pqp1k2/B6p/2p1ppp1/P2PP3/2N1B2Q/1PP2PPP/3RK1NR w K - 0 13
FEN state: rnb2bnr/1pqp1k2/B6p/2p1ppp1/P2PP3/2N1B2Q/1PP2PPP/3RK1NR w K - 0 13 ; Best move: a6c4
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at b7, black queen at c7, black pawn at d7 and black king at f7. White bishop at a6 and black pawn at h6. Black pawn at c5, black pawn at e5, black pawn at f5 and black pawn at g5. White pawn at a4, white pawn at d4 and white pawn at e4. White knight at c3, white bishop at e3 and white queen at h3. White pawn at b2, white pawn at c2, white pawn at f2, white pawn at g2 and white pawn at h2. White rook 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 13. White to move.