[Event "It"] [Site "Rio Gallegos (Argentina)"] [Round "5"] [White "Lukov Valentin (BUL)"] [Black "Casafus Ruben (ARG)"] [Result "1-0"] [WhiteElo "2420"] [BlackElo "2350"] [ECO "A55"] [Opening "Old Indian: 5.e4 g6"] 1.d4 Nf6 2.c4 d6 3.Nc3 e5 4.Nf3 Nbd7 5.e4 g6 6.Be2 Bg7 7.O-O O-O 8.d5 Nc5 9.Qc2 a5 10.Bg5 h6 11.Be3 b6 12.Nd2 Bg4 13.Bxg4 Nxg4 14.Bxc5 bxc5 15.Qd3 Qe7 16.Nd1 Qd7 17.Qh3 h5 18.f3 Nf6 19.Qxd7 Nxd7 20.Kf2 Rfb8 21.Ke2 Bh6 22.Kd3 Bxd2 23.Kxd2 a4 24.Rc1 Rb4 25.Kd3 Kf8 26.Rf2 Ke7 27.Nc3 Nb6 28.Nb1 Nd7 29.Na3 Rb7 30.Nb5 Nb6 31.g3 Rab8 32.Nc3 Ra7 33.f4 Nd7 34.Nb5 Rab7 35.f5 Nf6 36.fxg6 fxg6 37.Rcf1 Rf8 38.Kc2 Nd7 39.Rxf8 Nxf8 40.b3 axb3+ 41.Kxb3 Nd7 42.a4 Nb8 43.a5 Na6 44.Kc3 Nb8 45.h3 Na6 46.Rf2 Rb8 47.Rf3 Ra8 48.Kb3 Rb8 49.Ka4 Ra8 50.Rf1 Rb8 51.Rf3 Ra8 52.g4 hxg4 53.hxg4 Rh8 54.Na7 Rh1 55.Nc6+ Ke8 56.Kb5 Nb4 57.Nxb4 Rb1 58.a6 cxb4 59.Kc6 b3 60.Kb7 b2 61.Rb3 {#r} 1-0