Early fianchetto is one of the popular choices for White that is mostly aimed against the Grünfeld Defense. Depending on a player’s taste, Grünfeld fans either support the d-pawn with c7-c6 or allow White to form a pawn center.
In the first case Black plays 3… c6 4. Bg2 d5, and White has many possibilities, but two of them stand out: the quiet 5. Qa4 with the idea cxd5, or an interesting pawn sacrifice 5. e3, introduced by Kramnik.
Black second choice is the Counterthrust Variation – 3… g6 4. Bg2 d5. Unlike other fianchetto systems, White deploys his Knight from g1 to e2: 5. cxd5 Nxd5 6. e4 Nb6 7. Ne2. Black’s best reaction is 7… c5 8. d5, and here he usually plays O-O, e6, Na6 and exd5. Appropriate handling of these positions requires great accuracy from the players of Black, but with accurate treatment they can count on sufficient counterplay.
[Diagram: White to Move] Black pieces are terribly uncoordinated and White certainly has ample compensation, but he can achieve even more if he plays the right moves!
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