1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Nbd7 5.e3 ( 5.cxd5 exd5 6.Nxd5 Nxd5 7.Bxd8 Bb4+ 8.Qd2 Bxd2+ 9.Kxd2 Kxd8  - +   A preliminary trap of Orthodox Defence ) 5...c6 6.Nf3 Qa5

7.cxd5 { 7.Bd3 dxc4 8.Bxc4 Ne4 9.Bh4 Nxc3 10.bxc3 Qxc3+ 11.Nd2 Bb4 12.Rc1 Qxd2+ 13.Qxd2 Bxd2+ 14.Kxd2 0-0  ; 7.Nd2 Bb4 (7...dxc4 8.Bxf6 Nxf6 9.Nxc4 Qc7 10.Rc1 a6 11.Be2 b5 12.Ne5 Bb7 13.0-0 Bd6 14.f4 c5 15.a4 b4 16.Na2 Qe7 17.Bf3 Nd5 18.Nc4 Bc7 19.e4 Nxf4 20.e5 Bd5 21.g3 Rd8 22.gxf4     0-0 23.b3 f6 24.Bxd5 Rxd5 ± ) 8.Qc2 0-0 9.Be2 e5 10.0-0 (10.dxe5 Ne4 11.Ndxe4 dxe4 12.0-0 Bxc3 13.bxc3 Re8 14.Bf4 Nxe5 15.Qxe4 Bf5 16.Qd4 Rad8 17.Bxe5 Rxd4 18.cxd4 Be4 19.Bg3 h6 20.a3 Qb6 21.Rfe1 Qb2 22.h3 Qd2 23.Rad1 Qa5 = ) 10...exd4 11.Nb3 Qb6 12.Nxd4 dxc4 13.Bxc4 Qc5 14.Bxf6 Qxc4 15.Bh4 Bxc3 16.Rfc1 c5 17.Nf3 b6 18.Qxc3 Qg4 19.Rd1 Bb7 20.Ne1 Rfe8 21.Bg3 Nf6 22.f3 Qg5 23.e4 Nh5 24.Bc7 Rac8 25.Bd6 =]7...Nxd5 8.Qd2 Bb4 9.Rc1 h6 10. Bh4 c5 (10...0-0 11.a3 Bxc3 12.bxc3 Qxa3 13.e4 Ne7 14.Bd3 Ng6 15.Bg3 b6 16.h4 Bb7 17.h5 Nh8 18.Qc2 Rfc8 19.0-0 Qe7 20.c4 c5 21.d5 f6 22.Ra1 Re8 23.Nh4 Ne5  +)11.a3 Bxc3 12.bxc3 b6(12...Qa3 13.e4 N5f6 14.Bd3Qa515.0-0 cxd4 16.cxd4 Qxd2 17.Nxd2 0-0 18.f4 a6 19.Rc7 b5 20.Rfc1 b4 21.Be2 Nb6 = )13.c4 (13.e4 N5f6 14.Bd3 Bb7 15.d5 c4 16.dxe6 cxd3 17.exd7+ Nxd7 18.Qxd3 g5 19.Bg3 Nc5 20.Qd6 Nxe4 21.Qb4 Qc5 =)13...Qxd2+ 14.Nxd2  Ne7 15.Bd3 Bb7 16.f3 Rd8 17.Be4 Ba6 18.Nb3 h5 19.0-0 f6 20.Bg3 cxd4 =