I play this opening a lot, due to its ability to fluidly transpose moves into other openings, to mixed success.  I would advise (as with any opening) to pay close attention to black's responses, though.  I've found most of my losses come when I try to use this opening against a not-so-standard response.  For instance, if black responds to Nf3 in kind with Nc6 rather than a pawn opening, it can become problematic (follows g3 - e5, Bg2 - e6, now both e4 is blocked and the knight is in trouble, white will lose some tempo here!). 

If they respond with a knight opening, pay attention and make sure to transpose moves when necessary (transposing the order of e4 and Bg2 is a good response to e5 for instance, or even forgoing the fianchetto for a different opening).  Also, pay close attention to their bishops...the weaknesses in this opening can easily be exploited by a good player if you aren't paying close attention to their counter-attack.

Some people caracterize an opening from their selfish point of view, subjectively... in most cases that opening sucks because you don`t know how to win with it.

I believe that whites idea is to get into this position. And then to bring the rook to the e-file and to push the e pawn up to e5. White may also fianchetto his black bishop.

What are some moves that you can do off of this?

Very Good!!!

Guys, this opening is anything but defensive...

Very passive opening for white...

very good!

As all other openings, it advantages are :- it gives a powerful defense after castling, bishop ensures no attacks come on castled king. It provides enough space for centre control and can degrade opponents center with greater ease!

Its disadvantages are:- Bishop gets blocked if knight gets no free squares  to move on which is not good. Centre goes in hands of black and can get him win if he uses it accurately.

One drawback to this opening is that it creates a weak square at g4.

its so hard 2 penetrate throught the kings indian. rock solid defense

Knights stay superior to all but rooks!!!!!! Defense rocks!!!!

great for defense.........good especially for castleing in the begining of the match

i think it is good.

great opening. I use it a lot. it leads to good defense on king side and gives you a lot of choices.

interesting opening but I prefer the Reti which goes like this

1. Nf3 d5, 2. c4 e6, 3. g3 ...

A very mis-understood opening.  Although somewhat timid at times, it can transpose into several other positions with little or no warning.  I've played this opening against IM's with good results, especially under time constraints.  You must be prepared to look at the board completely as tactics evolve for both sides.

The only thing i see wrong with this is that it leaves e4 open to your opponent. To me the goal of an opening is to gain control of d5 (or black equivalent: e4). After all, it was in this way that Fischer won so many of his games; take control of d5 and never let it go. This opening seems to be playing into your opponents' hands. But I'll have to try it and see.

it leaves the center open for your opponent...