This opening line mainly deals with various setups with mutual kingside fianchettoes, without variations where White plays c2-c4.
Black has three main setups here: with d7-d5 (recommended for the Grünfeld Indian Defense aficionados), d7-d6 (for the King’s Indian Defense players) or c7-c5 (for Benoni fans). That being said, the main lines go like this:
3… Bg7 4. Bg2 O-O 5. O-O d5 6. Bf4 c6 is a rather uneventful line without serious problems for Black.
3… Bg7 4. Bg2 O-O 5. O-O d6 6. Nc3 followed by e2-e4 is a position typical of those arising from the Pirc Defense move order. Though White has a bit more space, Black has a very flexible position and plenty of ways to achieve equality.
After 3… c5, the most promising continuation for White is transposition to Line 036 with 4. c4, since supporting the d4-pawn with 4. c3 b6 5. Bg2 Bb7 or trading his d- for the c-pawn with 4. Bg2 cxd4 5. Nxd4 or 4. dxc5 Qa5+ 5. Nc3 Bg7, would allow Black to proceed with an easy play.
[Diagram: White to Move] R. Vera Gonzalez – J. Becerra Rivero, Matanzas 1994. Black has just carelessly played Nf6-h5, expecting White Bishop’s retreat from f4. What has Black overlooked?
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