r4bnr/p1nkp2p/2p1N1p1/3q4/1ppQPP2/P6P/1P1P2P1/RNB1KBR1 w Q - 0 16
FEN state: r4bnr/p1nkp2p/2p1N1p1/3q4/1ppQPP2/P6P/1P1P2P1/RNB1KBR1 w Q - 0 16 ; Best move: e4d5
The current state of the chess board is: Black rook at a8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at a7, black knight at c7, black king at d7, black pawn at e7 and black pawn at h7. Black pawn at c6, white knight at e6 and black pawn at g6. Black queen at d5. Black pawn at b4, black pawn at c4, white queen at d4, white pawn at e4 and white pawn at f4. White pawn at a3 and white pawn at h3. White pawn at b2, white pawn at d2 and white pawn at g2. White rook at a1, white knight at b1, white bishop at c1, white king at e1, white bishop at f1 and white rook at g1. White queenside is the only castle move available. Half move number is 0. Full move number is 16. White to move.