r1bq1kn1/ppp3p1/4pp1r/PPn4p/2PQ1N2/5P2/4P1PP/b3KBNR b K - 2 16
FEN state: r1bq1kn1/ppp3p1/4pp1r/PPn4p/2PQ1N2/5P2/4P1PP/b3KBNR b K - 2 16 ; Best move: d8d4
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8, black king at f8 and black knight at g8. Black pawn at a7, black pawn at b7, black pawn at c7 and black pawn at g7. Black pawn at e6, black pawn at f6 and black rook at h6. White pawn at a5, white pawn at b5, black knight at c5 and black pawn at h5. White pawn at c4, white queen at d4 and white knight at f4. White pawn at f3. White pawn at e2, white pawn at g2 and white pawn at h2. Black bishop at a1, white king at e1, white bishop at f1, 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.