r1bk1b2/3pnppr/n3p1qp/pppPQ3/2P2N1P/P3P1P1/1P3P2/RNB1KB1R w KQ - 4 16
FEN state: r1bk1b2/3pnppr/n3p1qp/pppPQ3/2P2N1P/P3P1P1/1P3P2/RNB1KB1R w KQ - 4 16 ; Best move: f4g6
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at d8 and black bishop at f8. Black pawn at d7, black knight at e7, black pawn at f7, black pawn at g7 and black rook at h7. Black knight at a6, black pawn at e6, black queen at g6 and black pawn at h6. Black pawn at a5, black pawn at b5, black pawn at c5, white pawn at d5 and white queen at e5. White pawn at c4, white knight at f4 and white pawn at h4. White pawn at a3, white pawn at e3 and white pawn at g3. White pawn at b2 and white pawn at f2. White rook at a1, white knight at b1, white bishop at c1, white king at e1, white bishop at f1 and white rook at h1. White kingside and white queenside castles are available. Half move number is 4. Full move number is 16. White to move.