1rbk1b1r/ppp1q1pp/B2p3n/P3p1P1/1P2P3/R1N2p1N/2PP1P1P/2BQK2R w K - 0 13
FEN state: 1rbk1b1r/ppp1q1pp/B2p3n/P3p1P1/1P2P3/R1N2p1N/2PP1P1P/2BQK2R w K - 0 13 ; Best move: a6f1
The current state of the chess board is: Black rook at b8, black bishop at c8, black king at d8, black bishop at f8 and black rook at h8. Black pawn at a7, black pawn at b7, black pawn at c7, black queen at e7, black pawn at g7 and black pawn at h7. White bishop at a6, black pawn at d6 and black knight at h6. White pawn at a5, black pawn at e5 and white pawn at g5. White pawn at b4 and white pawn at e4. White rook at a3, white knight at c3, black pawn at f3 and white knight at h3. White pawn at c2, white pawn at d2, white pawn at f2 and white pawn at h2. White bishop at c1, white queen at d1, white king at e1 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.