r1b2b1r/pp1pp1pp/4n1k1/5pPn/3PP3/N4B1P/PBQ2P2/3RK1NR w K - 1 16
FEN state: r1b2b1r/pp1pp1pp/4n1k1/5pPn/3PP3/N4B1P/PBQ2P2/3RK1NR w K - 1 16 ; Best move: e4f5
The current state of the chess board is: Black rook at a8, black bishop at c8, black bishop at f8 and black rook at h8. Black pawn at a7, black pawn at b7, black pawn at d7, black pawn at e7, black pawn at g7 and black pawn at h7. Black knight at e6 and black king at g6. Black pawn at f5, white pawn at g5 and black knight at h5. White pawn at d4 and white pawn at e4. White knight at a3, white bishop at f3 and white pawn at h3. White pawn at a2, white bishop at b2, white queen at c2 and white pawn at f2. White rook at d1, 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 1. Full move number is 16. White to move.