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Topic: Taking advantage of fianchetto weaknesses
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While many openings use a fianchetto (including my KIA and Benoni), I've read that it does actually weaken the pawn structure, particularly around the king. I now have an opponent at the office that double-fianchettos EVERY game. What's a good source to study to learn to best take advantage of this (not just the double, but a fianchetto in general, too)? Thanks.
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I'm not sure where you can find good information at, but a double fianchetto means that your opponent has holes on a and h files (a3/h3 or a6/h6), and as soon as they move a centre pawn at all they have a hole on the c or f file. These weaknesses will be around for a long time so there is no need to rush to take advantage (with a caveat: the only way to fix a hole is to claim space, so watch for c or f file pushing). Also trying to induce a trade of the fianchettoed bishop without losing your one of same colour allows diagonal battery threats, and heightens your control of that colour of squares.
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Some really strong players have played it:
Dzindzihashvili,Roman - Martz,W
Chicago, 1982
1.Nf3 Nf6 2.g3 g6 3.b3 Bg7 4.Bb2 d6 5.d4 e5 6.dxe5 Nfd7 7.Bg2 0–0 8.0–0 dxe5 9.e4 Nc6 10.Nc3 Re8 11.Nd5 Nc5 12.Nd2 Nd4 13.Ba3 Nce6 14.c3 Nb5 15.Bb2 c6 16.Ne3 Qc7 17.a4 Nd6 18.Ba3 Rd8 19.Qc2 b6 20.Rfd1 Ba6 21.Bf1 Bxf1 22.Ndxf1 Nb7 23.Kg2 a6 24.Rxd8+ Rxd8 ½–½
Kortschnoj,Viktor - Lutikov,Anatoly
Soviet-ch32,1964
1.g3 d5 2.Nf3 Nf6 3.Bg2 c6 4.0–0 Bg4 5.b3 Nbd7 6.Bb2 e6 7.c4 Bd6 8.d4 0–0 9.Nc3 Qe7 10.Qc1 Rac8 11.Re1 c5 12.cxd5 Bxf3 13.dxc5 Nxc5 14.Bxf3 Nce4 15.Bxe4 Nxe4 16.Qe3 Nxc3 17.Bxc3 exd5 18.Qd4 Qg5 19.Bd2 Black cannot keep the material equality. 19...Qf6? [More counter-play gives 19...Qf5 20.e4 Be5 21.Qxd5 Qf6 22.Rad1 Rfd8] 20.Qxd5 Be5 21.Rad1 Rfd8 22.Qe4 Rd4 23.Qb1 h5 24.Be3 Rg4 25.Qd3 a6 26.Qd7 Rc3 27.Qd8+ Kh7 28.Qxf6 Bxf6 29.Rc1 Kg6? 30.Bf4 1–0
Petrosian,T (2645) - Hug,W (2475)
Olympiad Skopje, 1972
1.Nf3 e6 2.g3 f5 3.Bg2 Nf6 4.0–0 Be7 5.b3 0–0 6.Bb2 a5 7.a3 Qe8 8.c4 d6 9.d4 Qh5 10.Nc3 Nbd7 11.e3 c6 12.Ne2 g5 13.b4 axb4 14.axb4 Rxa1 15.Bxa1 d5 16.c5 Ng4 17.h3 Nh6 18.Bc3 Nf7 19.b5 Bf6 20.Qa1 cxb5 21.Rb1 Nd8 22.Rxb5 Nc6 23.Qb2 Qf7 24.Ne1 Bd8 25.Rb3 Bc7 26.Nd3 Qg7 27.Qa2 Nf6 28.Be1 Nh5 29.Bf3 Nf6 30.Bg2 Nh5 31.Bd2 Kh8 32.Qb1 Bb8 33.Ra3 Bc7 34.Ra8 h6 35.Qd1 Qg6 36.Bc1 Qh7 37.Nc3 Nf6 38.Nb5 Qg7 39.Nd6 Qd7 40.Ne5 Nxe5 41.dxe5 Ne4 42.Ba3 Bxd6 43.exd6 Rg8 1–0
Or with the Black pieces:
Timman,Jan (2620) - Kasparov,Gary (2805)
8th Euwe Memorial Amsterdam, 1994
1.d4 Nf6 2.Nf3 g6 3.Bg5 Bg7 4.c3 b6 5.Bxf6 Bxf6 6.e4 Bb7 7.Bd3 c5 8.d5 e6 9.Bc4 0–0 10.0–0 Na6 11.Qd3 Nc7 12.d6 Ne8 13.Nbd2 Bg7 14.h4 a6 15.a4 Qb8 16.e5 f6 17.h5 fxe5 18.hxg6 h6 19.Rfe1 Qxd6 20.Qxd6 Nxd6 21.Nxe5 Bxe5 22.Rxe5 Rf4 23.Bd3 Raf8 24.f3 a5 25.Kf2 Kg7 26.Rh5 Ne8 27.Kg3 Nf6 28.Re5?! 28...Nd5 29.Be4 R4f6 30.Nc4 Nf4 31.Bxb7 Rxg6+ 32.Kh2 Rxg2+ 33.Kh1 d5 34.Nxb6 Rb8! 35.Rxe6! Rxb7! 36.Rd6! Rg5 37.Rd1? d4 38.Nc4?Kh7! 39.Re1? Rh5+ 40.Kg1 Rg7+. 0–1
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One general rule. Castling opposite and pawn storm faster than your opponent pawn storms you is a way to go after this setup.
Obviously that's just an idea to play for, and each position has to be considered on it's own. But it's definitely something to look at. If your attack comes fast then the fianchetto becomes a weakness.
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Thanks, Bobtzu. That sounds like something worth considering.
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