rn2k1nr/3bbp1p/2pp1q2/pp2p1N1/P4P1P/4P1P1/RPPPQK2/1NB2B1R w kq - 2 16
FEN state: rn2k1nr/3bbp1p/2pp1q2/pp2p1N1/P4P1P/4P1P1/RPPPQK2/1NB2B1R w kq - 2 16 ; Best move: a4b5
The current state of the chess board is: Black rook at a8, black knight at b8, black king at e8, black knight at g8 and black rook at h8. Black bishop at d7, black bishop at e7, black pawn at f7 and black pawn at h7. Black pawn at c6, black pawn at d6 and black queen at f6. Black pawn at a5, black pawn at b5, black pawn at e5 and white knight at g5. White pawn at a4, white pawn at f4 and white pawn at h4. White pawn at e3 and white pawn at g3. White rook at a2, white pawn at b2, white pawn at c2, white pawn at d2, white queen at e2 and white king at f2. White knight at b1, white bishop at c1, white bishop at f1 and white rook at h1. Black kingside and black queenside castles are available. Half move number is 2. Full move number is 16. White to move.