r2q1B1r/4npp1/npk4p/p3pb2/Pp1p1P1P/R7/4P1P1/1N1QKBNR w K - 1 23
FEN state: r2q1B1r/4npp1/npk4p/p3pb2/Pp1p1P1P/R7/4P1P1/1N1QKBNR w K - 1 23 ; Best move: f8e7
The current state of the chess board is: Black rook at a8, black queen at d8, white bishop at f8 and black rook at h8. Black knight at e7, black pawn at f7 and black pawn at g7. Black knight at a6, black pawn at b6, black king at c6 and black pawn at h6. Black pawn at a5, black pawn at e5 and black bishop at f5. White pawn at a4, black pawn at b4, black pawn at d4, white pawn at f4 and white pawn at h4. White rook at a3. White pawn at e2 and white pawn at g2. 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 1. Full move number is 23. White to move.