Topchy, G. - Samraoui, Med Kopylov memorial , 1999 Med Samraoui A03. 1.f4 d5 2.Nf3 Nf6 3.d3 g6 4.c3 b6 5.g3 Bb7 6.Bg2 Bg7 7.O-O O-O 8.Qc2 We are both out of the books and I anticipated [8.Na3 c5 9.Nc2 Nc6 10.Qe1 e6 11.e4 dxe4 12.dxe4 Qd3 without any problems for Black] 8...c5 9.Nbd2 Nc6 10.e4 Ng4 Here is the difference between Na3 and Nbd2; the threat is ...Ne3. 11.Re1 d4 12.Nb3 a5 13.h3 Nh6 14.Bd2 [14.a4!? Ba6 15.c4 Qd7 is good too, the text move allows a4 with space advantage on the queenside.] 14...a4 15.Nc1 Qd7 16.c4 f6 17.Ne2 Nf7 18.Kh2 e5 19.fxe5 The Black's pieces are posted harmoniously against the White King , and opening the game should favour Black's attack. [19.Rf1] 19...Nfxe5 20.Neg1 [20.Rf1 Nxf3+ 21.Bxf3 Ne5 22.Bg2 f5 and Black develops a strong attack.] [20.Nf4 Nxf3+ 21.Bxf3 f5] 20...f5 21.exf5 Rxf5 22.Rf1 Raf8 23.a3? Black obtains strong pressure after: [23.Qxa4 Nxd3 24.Rab1 Qc7] [23.Nxe5!? Nxe5 24.Rxf5 Rxf5 25.Bf4 Bxg2] 23...Nxf3+ 24.Nxf3 [24.Bxf3 Ne5!] [24.Rxf3? Rxf3 25.Nxf3 Ne5 26.Nxe5 Rf2! 27.Be1 Rxc2 28.Nxd7 Rxg2+ 29.Kh1 Rxg3+ 30.Kh2 Rg2+ 31.Kh1 Rxb2+ 32.Kg1 Bc8 wins a piece and the game.] 24...Ne5 25.Nxe5 #There is no defence: [25.Bf4 Nxf3+ 26.Bxf3 Bxf3 27.Rxf3 g5] [25.Nh4 Rf2 26.Rxf2 Rxf2 27.Kg1 Rxg2+ 28.Nxg2 Qxh3 29.Bf4 Nf3+ 30.Kf2 g5 31.Bc7 Ne5 32.Rg1 Qf5+ 33.Ke1 Nxd3+] 25...Rf2 0-1