1nb1kb2/rp3pp1/3pp2r/2p3qn/p2P3P/N3PN2/PBPQBP2/R3KR2 w Q - 4 22
FEN state: 1nb1kb2/rp3pp1/3pp2r/2p3qn/p2P3P/N3PN2/PBPQBP2/R3KR2 w Q - 4 22 ; Best move: h4g5
The current state of the chess board is: Black knight at b8, black bishop at c8, black king at e8 and black bishop at f8. Black rook at a7, black pawn at b7, black pawn at f7 and black pawn at g7. Black pawn at d6, black pawn at e6 and black rook at h6. Black pawn at c5, black queen at g5 and black knight at h5. Black pawn at a4, white pawn at d4 and white pawn at h4. White knight at a3, white pawn at e3 and white knight at f3. White pawn at a2, white bishop at b2, white pawn at c2, white queen at d2, white bishop at e2 and white pawn at f2. White rook at a1, white king at e1 and white rook at f1. White queenside is the only castle move available. Half move number is 4. Full move number is 22. White to move.