[Event "Leon"]
[Site "Leon"]
[Date "1992.??.??"]
[Round "2"]
[White "Yudasin, Leonid"]
[Black "Sion Castro, Marcelino"]
[Result "1-0"]
[WhiteElo "2580"]
[BlackElo "2375"]
[ECO "B45"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nb5 Nf6 6.N1c3 Bb4 7.a3 Bxc3+ 8.Nxc3 d5
9.exd5 exd5 10.Bd3 O-O 11.O-O d4 12.Ne2 Bg4 13.Bg5 Qd6 14.Qd2 Bxe2 15.Qxe2 Rfe8
16.Qf3 Ne5 17.Qg3 Nh5 18.Qh3 Nxd3 19.Qxd3 Nf4 20.Bxf4 Qxf4 21.Rfe1 g6 22.Qb5 Rxe1+
23.Rxe1 Rc8 24.g3 Qf6 25.Re2 Rc7 26.Qa5 b6 27.Qd5 h5 28.h4 a5 29.Rd2 Rc5
30.Qe4 Kg7 31.a4 Rc4 32.b3 Rc3 33.Qd5 Rc5 34.Qd7 Rc3 35.Rxd4 Rxc2 36.Rf4 Rc1+
37.Kh2 Qe6 38.Qd4+ Kh7 39.Rf6 Qxb3 40.Qf4 Rc8 41.Rxf7+ Kg8 42.Rf6 Kh7 43.Rf7+ Kg8
44.Rb7 Rf8 45.Qd4 Rf7 46.Rxb6 Qc2 47.Rb8+ Rf8 48.Qd5+ Kg7 49.Rb7+  1-0

