r3kq2/pb3pbQ/2pp1np1/1P6/2B1P3/3p3P/2nK1PPN/RNB4R w q - 0 24
FEN state: r3kq2/pb3pbQ/2pp1np1/1P6/2B1P3/3p3P/2nK1PPN/RNB4R w q - 0 24 ; Best move: h7h4
The current state of the chess board is: Black rook at a8, black king at e8 and black queen at f8. Black pawn at a7, black bishop at b7, black pawn at f7, black bishop at g7 and white queen at h7. Black pawn at c6, black pawn at d6, black knight at f6 and black pawn at g6. White pawn at b5. White bishop at c4 and white pawn at e4. Black pawn at d3 and white pawn at h3. Black knight at c2, white king at d2, white pawn at f2, white pawn at g2 and white knight at h2. White rook at a1, white knight at b1, white bishop at c1 and white rook at h1. Black queenside is the only castle move available. Half move number is 0. Full move number is 24. White to move.