r2qkbnr/p3pp1p/n5p1/p1P1p3/b1P1P3/3B2PQ/1P3P1P/RN2K1NR w KQkq - 1 16
FEN state: r2qkbnr/p3pp1p/n5p1/p1P1p3/b1P1P3/3B2PQ/1P3P1P/RN2K1NR w KQkq - 1 16 ; Best move: a1a4
The current state of the chess board is: Black rook at a8, black queen at d8, black king at e8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at e7, black pawn at f7 and black pawn at h7. Black knight at a6 and black pawn at g6. Black pawn at a5, white pawn at c5 and black pawn at e5. Black bishop at a4, white pawn at c4 and white pawn at e4. White bishop at d3, white pawn at g3 and white queen at h3. White pawn at b2, white pawn at f2 and white pawn at h2. White rook at a1, white knight at b1, white king at e1, white knight at g1 and white rook at h1. White kingside, white queenside, black kingside and black queenside castles are available. Half move number is 1. Full move number is 16. White to move.