this is my favorite opening I play for black

I AM NEW THIS IS A NICE BLOG

I am used 2 Ne1 instead of Nd2.

Happy face :D

Right, that's the conclusion in his previous book as well. But if you check out games explorer, there is a new idea in the ...Nd7 line with which black has been doing well. I can't look at it right now, but it involves black playing ...dxc5 at a point where Nunn does not even consider this move.

What I really like about Nunn is that in his heart he is a black player in the KID, but he really puts a lot of effort into writing an unbiased book, with insightful commentary, the type which you can only get from a book.

He prefers 9...a5 with the idea of Nd7, holding up white's Q-side attack a bit and preparing the attack on the K-side.

His feeling with both 9..Nd7 or 9...Ne8 is that white is able to win the race on the Q-side.

I only have his older book "The Classical King's Indian". I very much enjoy his writing.

After 9: Nd2, does he actually prefer Ne8 over a5? Or does he simply prefer Ne8 over Nd7 because Nd7 doesn't accomplish its main aim.

I have a copy of Nunn's 'The New Classical King's Indian', here's some of his ideas:

After 9...Nd7 10.b4 f5, he considers the main line to be 11.f3, mentioning that 11.a4 is too commital.

He prefers 9...Ne8 but only in that it gives black an option to leave it at e8 whereas on d7, it doesn't prevent white from playing c5.

Are there some good lines for black that leave the knight at d7 after 11.f3?

No, take a look at games explorer, there is a new idea where black plays dxc5 in the line you posted where white plays a4.

Here 2 interesting games I found played by Viktor Korchnoi (with white). In the first game he succesfully breaks black's defence, and in the second one he throws an equal game away with 22.Bxg4, where Bd4 would've been much better.

That looks interesting. I'm a die-hard KID player, and I usually play a5 there, not Nd7. Never considered the move actually now that I think of it. I might have some time to look into it over the Thanksgiving break. Interesting.

This is a blog to capture the ideas for both sides in this highly complex variation.