What do you recommened vs the reti.

Hi.

The most annoying thing to face as black is 1.Nf3 i cant even play e5 vs it.d5 either will transpoes in to a reverse grunfeld or KID or a reveres benoni/benko gambit.And if i play Nf6 i would just repeat his moves until he grinds my position down.

http://www.chess.com/forum/view/chess-openings/reti-1-nf3-in-general-help

http://www.chess.com/forum/view/chess-openings/opening-with-1nf3-and-bogos-weapons

Hahaha

As a 1.Nf3 player:

1...d5 is the main line, and doesn't have to be a KID/Greunfeld/Benoni. If 2.d4 you have a basic Queen's pawn game (this is a common response from 1.d4 players who dislike certain lines). 2.c4 isn't common but it's called the Reti and has theory associated with it; in my experience the best reply is 2...d4, but 2...dxc4 is also fine (just don't try to keep the pawn). If some other second move is played, just develop naturally.

1....Nf6 really annoys me because most people who play it are just doing so to avoid anything unknown and it seems rather passive. It doesn't have to be though, but you should work out a plan before playing it to take advantage.

1...c5 is playable as well, especially if you're comfortable in Sicilian structures.

Is your problem with the Reti, or just the move 1.Nf3? They aren't the same.  The Reti is a system where White plays c4, but not d4, and fianchettoes at least his KB and maybe both bishops.  It functions like a reverse color Benoni or Queen's Indian.

1.Nf3 is just a move.  In modern play it is most often used to transpose back into a Queenpawn game after 2.d4, or an English after, for example, 1...c5 2.c4.  There is no 'best' way to play, it depends on your personal preferences and the other openings you want to prepare.  I actually like playing 1...e6, keeping it unclear whether I am going to play ..d5, ..c5, ..Nf6, or even ..b6 next.

I myself play 1...d6, with the idea of going into KID or Old Indian types of games.  I've always seen 1. Nf3 as a bit of a waiting move, so 1...d6 returns the favor.

Copy and play 1..Nf6. If he plays 2.g3 then 2..b5!?

So I'm guessing you play the Nimzo... You can play 1.Nf3 Nf6 but White still has a lot of options. He could even play 2.b3 or 2.b4. The easiest thing I can think of is just playing 1...Nf6 and 2...e6 anyway and just going from there.

If youre already unsure what to do after 1 move?  I would seriously suggest studying up on pawn formations.  Replying to 1.Nf3, you have a wealth of options. 

1.Nf3 is a Zukertort, so named because he often played it. However he would usually transpose into the popular openings of his time and did not develop any specific new lines to follow.

If an early g3 is played before c4 it usually develops into a King's Indian Attack which is considered a specific case of the Reti.

1.Nf3 d5 2.c4 is a Reti but 1.Nf3 Nf6 2.c4 can also be a Reti and there are a few others like that so that it is sometimes hard to say when it is a Reti and when it's not. An early d2-d4 clearly transposes to lines of the QG or Catalan or some other 1.d4 opening. Transpositions are all too subtle and common and can often lead to lines of the English as well.

It helps to understand that the Reti was a very radical idea in the 1920s. A great many lines developed into new openings which have since come into existence as a result of the evolution of the idea of the Reti, so that a lot of confusion and and plain ol' disagreement abounds as to what exactly is a Reti.

The goal of the Reti is a double fianchetto with the idea of controlling the center from the flanks with pieces and holding back the center pawns. Usually the d-pawn is developed to d3 to support c4 and it is not unusual for a Reti game to end with White's e-pawn still on e2. A fascinating concept. Thus, Hypermodern chess was born.

I would agree with several other commenters that an early ...Nf6 is particularly annoying to the "pure" Reti player because it can avoid the mainlines.