1. e4 d6 2. d4 Nf6 3.Nc3 g6 4.f4 Bg7 5. Nf3

5...0-0 [5...c5 6.Bb5+ (6.dxc5 Qa5) 6...Bd7 7.e5 Ng4 8.e6    {8.Bxd7+ Qxd7 9.d5 dxe5 10.h3 e4 (10...Nh6 11.fxe5 Na6 12.Bg5 0-0 13.Qd2 Nf5 14.0-0-0 f6 15.e6 Qd8 16.Bf4 Nd6 17.Kb1 Qb6 18.Na4 Qc7 19.Qe3 b5 20.Nc3 b4 21.Bxd6 Qxd6±) 11.Nxe4 Nf6 12.Ne5 Qd8 13.Qd3 0-0 14.Be3 Na6 15.a3 Nxd5 16.0-0-0 Nxe3 17.Qxe3 Qb6 18.Rd7 Bxe5 19.fxe5 Qe6 20.Rhd1 Qxe5 21.Kb1 ∞ } 8...Bxb5 { 8...fxe6 9.Ng5 Bxb5 10.Nxe6 (10.Nxb5 Qa5+ 11.c3 Qxb5 12.Qxg4 cxd4 13.Nxe6 Qc4 14.f5 Bf6 15.fxg6  hxg6 ±) 10...Bxd4 11.Nxd8 Bf2+ 12.Kd2 Be3+ 13.Ke1 Bf2+ =} 9.exf7+ Kd7 10.Nxb5 Qa5+ 11.Nc3 cxd4 12.Nxd4 Nh6 13.0-0 Nc6 14.Be3 Nf5 + ] 6.Bd3 Na6 7.0-0 c5 8.d5 ±

Classical Variation
1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Nf3 Bg7 5.Be2 0-0 6.0-0

6...c6 (6...Bg4 7.Be3) 7.h3 Nbd7 ( 7...b5 8.e5) 8.a4 e5 9.dxe5 Nxe5 10.Bf4 Qe7 11.Qd2 Rd8 12.Bg5 Be6 13.Nd4 a5 14.b3 Ned7 15.Rad1 Nc5 ±