r2q1knr/1bpp4/pp2pPpp/2b2BP1/3n3P/NP5N/P1PP1P1R/R1BQK3 w Q - 5 16
FEN state: r2q1knr/1bpp4/pp2pPpp/2b2BP1/3n3P/NP5N/P1PP1P1R/R1BQK3 w Q - 5 16 ; Best move: f5g4
The current state of the chess board is: Black rook at a8, black queen at d8, black king at f8, black knight at g8 and black rook at h8. Black bishop at b7, black pawn at c7 and black pawn at d7. Black pawn at a6, black pawn at b6, black pawn at e6, white pawn at f6, black pawn at g6 and black pawn at h6. Black bishop at c5, white bishop at f5 and white pawn at g5. Black knight at d4 and white pawn at h4. White knight at a3, white pawn at b3 and white knight at h3. White pawn at a2, white pawn at c2, white pawn at d2, white pawn at f2 and white rook at h2. White rook at a1, white bishop at c1, white queen at d1 and white king at e1. White queenside is the only castle move available. Half move number is 5. Full move number is 16. White to move.