rn1q1b1Q/pbp1p3/1pkp1n2/1N3pp1/P2P1N2/1PP3P1/4PP1P/R1B1KB1R w Q - 1 16
FEN state: rn1q1b1Q/pbp1p3/1pkp1n2/1N3pp1/P2P1N2/1PP3P1/4PP1P/R1B1KB1R w Q - 1 16 ; Best move: f4e6
The current state of the chess board is: Black rook at a8, black knight at b8, black queen at d8, black bishop at f8 and white queen at h8. Black pawn at a7, black bishop at b7, black pawn at c7 and black pawn at e7. Black pawn at b6, black king at c6, black pawn at d6 and black knight at f6. White knight at b5, black pawn at f5 and black pawn at g5. White pawn at a4, white pawn at d4 and white knight at f4. White pawn at b3, white pawn at c3 and white pawn at g3. White pawn at e2, white pawn at f2 and white pawn at h2. White rook at a1, white bishop at c1, white king at e1, white bishop at f1 and white rook at h1. White queenside is the only castle move available. Half move number is 1. Full move number is 16. White to move.