Originally posted by ivan2908
I think on purpose. Black often allows to white to establish imposing pawn center to create targets for himself which he can attack later.
Yes, it is a ploy to make White over-extend his center. Black actually tries to prove that White's preponderance of central pawns is, in fact, weak. Think of an army over-extending its supply lines. It's a fun "hyper-modern opening," yet there are MANY dangerous tactical chances.
If you choose to play this against 1. e4, be prepared for the natural 2. e5 (which is the whole point of the bait Knight). After 2....Nd5, you'll typically see one of two things: either 3. d4, or 3. c4; further attacking the Knight. d4 leads to 3...d6 (The Modern Variation), which activates Blacks QB, and the main line continues with 4. Nf3 4 Bg4 (or Bf5 depending upon preferance). I will either move Bg4 here, or, lately, I have been playing with 4...e6.
The Four Pawn Attack (3. c4), is in my opinion the best way to handle The Alekhine for White. 3. c4 Nb6, 4. d4 Nc6 5. f4, and White has a strong pawn-center, that puts Black to the task of proving the Alekhine Defense is a sound opening (again the whole point of Nf6).
There is also the Scandinavian Variation, which I find quite fun. I suggest you try it as Black, then you will know how to face it as White. It creates some very rich and enjoyable games. Have fun!