AdrianP: <refutor> Good luck this weekend... here are a few recent fairly high level games after 1. Nf3 f5 (chosen more or less at random). It looks like W is going to play d4 and/or g3 at some point, and yes, it looks like a KIA set-up may be effective. [Event "Agneaux St Lo op 7th"]
[Site "Agneaux"]
[Date "2003.02.26"]
[Round "5"]
[White "Ivanov,Mikhail M"]
[Black "Secouard,Stephane"]
[Result "1-0"]
[Eco "A85"]
1.Nf3 f5 2.d4 Nf6 3.c4 e6 4.Nc3 d5 5.Bf4 Be7 6.e3 0-0 7.Bd3 c6 8.Qc2 Ne4
9.g4 Nd7 10.gxf5 exf5 11.cxd5 cxd5 12.Nxd5 Qa5+ 13.Ke2 Bd8 14.b4 Qa3 15.Qb3 Qxb3 16.axb3 Nb6
17.Nxb6 Bxb6 18.Bc4+ Kh8 19.Rhg1 Bd7 20.Be5 Nf6 21.Ng5 g6 22.h4 h6 23.Nf7+ Kg7 24.h5 g5
25.Nxg5 hxg5 26.Rxg5+ Kh7 27.Rag1 Be8 28.Rg7+ Kh8 29.Rg8+ Kh7 30.R1g7+ 1-0
[Event "San Martino op 4th"]
[Site "San Martino di Castrozza"]
[Date "2003.06.30"]
[Round "1"]
[White "Ivanov,Mikhail M"]
[Black "Solinas,Carlo"]
[Result "1-0"]
[Eco "A97"]
1.Nf3 f5 2.g3 Nf6 3.Bg2 e6 4.0-0 Be7 5.d4 0-0 6.c4 d6 7.Nc3 Qe8 8.Re1 Qg6
9.e4 Nxe4 10.Nxe4 fxe4 11.Rxe4 Nc6 12.Qe2 Bf6 13.d5 Ne5 14.Nh4 Bxh4 15.Rxh4 exd5 16.Bxd5+ Kh8
17.h3 Bf5 18.b3 Rae8 19.Be3 c6 20.Bg2 Bd3 21.Qd2 Qe6 22.Rd1 Rf6 23.Rd4 Bg6 24.Rxd6 Qf5
25.Rxf6 Qxf6 26.Qd6 Nf3+ 27.Kh1 Qxd6 28.Rxd6 Ne1 29.Rd7 Bf5 30.Rxb7 c5 31.Rxa7 1-0
[Event "Villa Ballester CAVB 70 op"]
[Site "Villa Ballester"]
[Date "2001.08.19"]
[Round "5"]
[White "Panno,Oscar"]
[Black "Perez Pietronave,Carlos"]
[Result "1-0"]
[Eco "A89"]
1.Nf3 f5 2.g3 Nf6 3.Bg2 g6 4.0-0 Bg7 5.c4 0-0 6.Nc3 Nc6 7.d4 d6 8.d5 Na5
9.Qa4 c5 10.dxc6 bxc6 11.c5 dxc5 12.Ne5 Qc7 13.Nc4 Nxc4 14.Qxc4+ Kh8 15.Qxc5 Ba6 16.Bf4 Qb6
17.Qxb6 axb6 18.Bxc6 Rac8 19.Bf3 Nd7 20.Rfd1 Nc5 21.Be3 e5 22.Bd5 b5 23.a3 Na4 24.Nxa4 bxa4
25.Rd2 h6 26.Rad1 e4 27.Be6 Rb8 28.Bc5 Rfe8 29.Bd7 Red8 30.Be7 Rg8 31.Bb4 Bb5 32.Be6 Rge8
33.Bf7 Rec8 34.Bxg6 h5 35.Bxf5 Rg8 36.Bxe4 1-0
[Event "Pamplona 0102"]
[Site "Pamplona"]
[Date "2001.12.27"]
[Round "3"]
[White "Andersson,Ulf"]
[Black "De la Riva Aguado,Oscar"]
[Result "1-0"]
[Eco "A88"]
1.Nf3 f5 2.g3 Nf6 3.Bg2 g6 4.d4 Bg7 5.0-0 0-0 6.c4 d6 7.Nc3 c6 8.d5 e5
9.dxe6 Bxe6 10.b3 Na6 11.Bb2 Qe7 12.Ng5 Rad8 13.Nxe6 Qxe6 14.Qc2 Rfe8 15.Rad1 Nc5 16.e3 Rd7
17.b4 Nce4 18.Nxe4 fxe4 19.b5 cxb5 20.cxb5 h5 21.Rd2 Qxa2 22.Ra1 Qe6 23.Rxa7 d5 24.Qb3 Ng4
25.Bxg7 Kxg7 26.Bh3 Rc8 27.Qd1 Rc4 28.Ra1 Qf6 29.Rb1 Qf5 30.b6 Rc5 31.Rb4 Kh7 32.Rbd4 Rd6
33.Bxg4 Qxg4 34.Qxg4 hxg4 35.Rxe4 Rxb6 36.Rxg4 Kg7 37.h4 Kf6 38.Kg2 Re6 39.Rgd4 Re5 40.Rb4 Rc7
41.Rb6+ 1-0
[Event "Pinamar Masters 1st"]
[Site "Pinamar"]
[Date "2001.03.08"]
[Round "7"]
[White "Andersson,Ulf"]
[Black "Rodi,Luis Ernesto"]
[Result "1-0"]
[Eco "A89"]
1.Nf3 f5 2.d4 Nf6 3.g3 g6 4.Bg2 Bg7 5.0-0 0-0 6.c4 d6 7.Nc3 Nc6 8.d5 Ne5
9.Qb3 h6 10.Nd4 a6 11.Bd2 Qe8 12.f4 Nf7 13.e3 Nd8 14.Rac1 Kh8 15.Rfe1 Rb8 16.Qc2 Qf7
17.b3 Bd7 18.Nf3 c6 19.e4 fxe4 20.Nxe4 Bf5 21.Nh4 cxd5 22.Nxf5 gxf5 23.Nxf6 Bxf6 24.cxd5 b5
25.Kh1 Bg7 26.Qc7 Rb7 27.Qa5 Bd4 28.Rc8 Rd7 29.Qxa6 Ra7 30.Qxb5 Rxa2 31.Qd3 Bf6 32.Be3 Qh5
33.b4 Kg7 34.Bd4 Nf7 35.Bxf6+ exf6 36.Rxf8 Kxf8 37.h3 Kg7 38.b5 Rb2 39.Kh2 Qg6 40.Rb1 Rxb1
41.Qxb1 Nd8 42.b6 Qf7 43.Qxf5 Qb7 44.Qb1 1-0