1nbqk1n1/1pppp1b1/4r1p1/p4p1r/PPPPPPQP/3BB3/5R2/1N2K1NR b K - 2 16
FEN state: 1nbqk1n1/1pppp1b1/4r1p1/p4p1r/PPPPPPQP/3BB3/5R2/1N2K1NR b K - 2 16 ; Best move: f5g4
The current state of the chess board is: Black knight at b8, black bishop at c8, black queen at d8, black king at e8 and black knight at g8. Black pawn at b7, black pawn at c7, black pawn at d7, black pawn at e7 and black bishop at g7. Black rook at e6 and black pawn at g6. Black pawn at a5, black pawn at f5 and black rook at h5. White pawn at a4, white pawn at b4, white pawn at c4, white pawn at d4, white pawn at e4, white pawn at f4, white queen at g4 and white pawn at h4. White bishop at d3 and white bishop at e3. White rook at f2. White knight at b1, white king at e1, white knight at g1 and white rook at h1. White kingside is the only castle move available. Half move number is 2. Full move number is 16. Black to move.