[Event "18th Pan-American U20"]
[Site "Rancagua CHI"]
[Date "1993.08.??"]
[Round "1"]
[White "Escandon, Federico"]
[Black "Vescovi, Giovanni"]
[Result "0-1"]
[ECO "B74"]
[EventDate "1993.??.??"]
[PlyCount "58"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be2 Bg7 7.O-O Nc6 8.Be3 
O-O 9.Nb3 Be6 10.f4 Qc8 11.Bf3 Ng4 12.Bxg4 Bxg4 13.Qd2 Be6 14.Rab1 Bc4 15.
Rfd1 Rd8 16.Nd4 Qd7 17.Qf2 Ba6 18.Qh4 Rac8 19.Nd5 Re8 20.c3 Bc4 21.a3 f5 
22.Nf3 fxe4 23.Ng5 h6 24.Nxe4 Bxd5 25.Rxd5 Qe6 26.Rb5 Qxe4 27.Re1 b6 28.
Qg3 Qd3 29.a4 e5 0-1

[Event "18th Pan-American U20"]
[Site "Rancagua CHI"]
[Date "1993.08.??"]
[Round "1"]
[White "Langier, Daniel"]
[Black "Rojas, Luis"]
[Result "0-1"]
[ECO "B64"]
[EventDate "1993.??.??"]
[PlyCount "78"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 e6 7.Qd2 Be7 8.O-O-O
O-O 9.f4 h6 10.Bxf6 Bxf6 11.Ndb5 Qa5 12.Qxd6 a6 13.Nc7 Be7 14.Qxe7 Nxe7 
15.Nxa8 Qc5 16.Be2 Qa7 17.Nc7 b6 18.Nxa6 Bxa6 19.Bxa6 Qxa6 20.Rd6 Rc8 21.
Rhd1 Nc6 22.a4 Qc4 23.Kb1 Qb4 24.R1d3 Qc5 25.g3 Qg1+ 26.Nd1 Qxh2 27.Rc3 
Qh1 28.e5 Ne7 29.Rxc8+ Nxc8 30.Rd8+ Kh7 31.Rxc8 Qxd1+ 32.Ka2 Qd7 33.Rc4 g5
34.fxg5 hxg5 35.Rb4 Qc7 36.c3 Qxe5 37.Rxb6 Qxg3 38.c4 Qc7 39.a5 g4 0-1

[Event "18th Pan-American U20"]
[Site "Rancagua CHI"]
[Date "1993.08.??"]
[Round "1"]
[White "Mera, Angel"]
[Black "Barria, Daniel"]
[Result "1-0"]
[ECO "E65"]
[EventDate "1993.??.??"]
[PlyCount "115"]

1.c4 Nf6 2.Nc3 g6 3.g3 Bg7 4.Bg2 O-O 5.Nf3 d6 6.O-O c5 7.d4 Nc6 8.h3 cxd4 
9.Nxd4 Nxd4 10.Qxd4 Be6 11.Qh4 Rc8 12.Nd5 b5 13.g4 Rxc4 14.Nf4 Bd7 15.b3 
Rc2 16.Be3 e5 17.Nd3 Bc6 18.Bxc6 Rxc6 19.Nb4 Rc8 20.Bg5 h6 21.Bxh6 Bxh6 
22.Qxh6 a5 23.Nd3 Nd5 24.Rad1 Nc3 25.Nxe5 Nxd1 26.Rxd1 Qe7 27.Nf3 Qf6 28.
Rxd6 Qh8 29.Qg5 Rfe8 30.Nh4 Qe5 31.Qxe5 Rxe5 32.Rd2 Rec5 33.e3 Rc2 34.Rd5 
R8c5 35.Rd8+ Kg7 36.a4 b4 37.Nf3 R5c3 38.Nd4 Rd2 39.Ra8 Rxd4 40.exd4 Rxh3 
41.Rxa5 Rxb3 42.Rb5 Rb1+ 43.Kg2 b3 44.a5 Rd1 45.Rxb3 Rxd4 46.Ra3 Rxg4+ 47.
Kf3 Rc4 48.a6 Rc8 49.a7 Ra8 50.Ke4 Kf6 51.Kd5 Kg5 52.Kc6 f5 53.Kb7 Rxa7+ 
54.Kxa7 Kh4 55.Kb6 g5 56.Kc5 g4 57.Kd4 f4 58.Ke4 1-0

[Event "18th Pan-American U20"]
[Site "Rancagua CHI"]
[Date "1993.08.??"]
[Round "1"]
[White "Playa, Marcelo"]
[Black "Egger, Jorge"]
[Result "1-0"]
[ECO "B35"]
[EventDate "1993.??.??"]
[PlyCount "117"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.Nc3 Bg7 6.Be3 Nf6 7.Bc4 O-O 8.O-O 
d6 9.h3 Nxe4 10.Nxe4 d5 11.Nxc6 bxc6 12.Bd3 dxe4 13.Bxe4 Qc7 14.c3 Rb8 15.
Qe2 Be6 16.f4 Rfd8 17.f5 Bd5 18.Bf4 Be5 19.Bxd5 Rxd5 20.Be3 gxf5 21.Rxf5 
Bg7 22.Rf2 Rbd8 23.Raf1 e6 24.c4 Rd3 25.Bg5 R8d7 26.Bf6 Bxf6 27.Rxf6 Qg3 
28.R6f2 Qg6 29.Rf6 Qg3 30.R6f2 Qg6 31.Kh1 R7d4 32.Rf6 Qg7 33.Rxe6 h6 34.
Re8+ Kh7 35.Qf2 Rd1 36.Qc2+ Qg6 37.Qxd1 Rxd1 38.Rxd1 Qc2 39.Rde1 Qxc4 40.
b3 Qd5 41.R8e5 Qd2 42.Rf1 Qxa2 43.Re3 f6 44.Ref3 a5 45.Rxf6 Qc2 46.Rf7+ 
Kg6 47.R7f4 Qxb3 48.Rf6+ Kg7 49.Rxc6 Qb2 50.Ra6 Qe5 51.Rb1 Kf8 52.Rxh6 Ke8
53.Rh4 Kd7 54.Ra4 Kc6 55.Rba1 Kb6 56.Rxa5 Qd4 57.Ra6+ Kb7 58.R6a4 Qe5 59.
Rc1 1-0

[Event "18th Pan-American U20"]
[Site "Rancagua CHI"]
[Date "1993.08.??"]
[Round "1"]
[White "Sepulveda, Job"]
[Black "Renteria, Jorge"]
[Result "1/2-1/2"]
[ECO "A84"]
[EventDate "1993.??.??"]
[PlyCount "40"]

1.d4 e6 2.c4 f5 3.g3 d5 4.Nf3 c6 5.cxd5 cxd5 6.Bg2 Nf6 7.O-O Bd6 8.Nc3 a6 
9.Bf4 O-O 10.Ne5 Nc6 11.Rc1 Bxe5 12.Bxe5 Nxe5 13.dxe5 Ne4 14.Nxe4 fxe4 15.
Qd4 Bd7 16.f3 exf3 17.exf3 Rc8 18.f4 Bb5 19.Rxc8 Qxc8 20.Rd1 g6 1/2-1/2

[Event "18th Pan-American U20"]
[Site "Rancagua CHI"]
[Date "1993.08.??"]
[Round "1"]
[White "Silva, Sebastian"]
[Black "Steinhoff, Igor"]
[Result "0-1"]
[ECO "D00"]
[EventDate "1993.??.??"]
[PlyCount "106"]

1.d4 Nf6 2.Nf3 g6 3.Nc3 d5 4.Bf4 Bg7 5.e3 O-O 6.Be2 b6 7.Ne5 Bb7 8.h4 c5 
9.h5 Nbd7 10.Qd2 Rc8 11.O-O-O Nxe5 12.Bxe5 Ne4 13.Nxe4 dxe4 14.Bxg7 Kxg7 
15.h6+ Kg8 16.dxc5 Qxd2+ 17.Rxd2 Rxc5 18.Rd7 Rfc8 19.c3 R5c7 20.Rhd1 f5 
21.b3 Kf7 22.Kb2 Kf6 23.f4 exf3 24.gxf3 Bc6 25.R7d2 Kg5 26.Rh1 Rd7 27.f4+ 
Kf6 28.Rxd7 Bxd7 29.c4 Bc6 30.Rg1 Rd8 31.Kc3 e5 32.Rd1 Rxd1 33.Bxd1 g5 34.
fxg5+ Kxg5 35.Bc2 Bd7 36.Kd2 Kxh6 37.Ke2 Kg5 38.Kf2 Bc6 39.b4 h5 40.Kg3 
h4+ 41.Kh3 Bf3 42.c5 bxc5 43.bxc5 f4 44.exf4+ exf4 45.Bd3 Bg4+ 46.Kg2 f3+ 
47.Kh2 Kf4 48.c6 Ke3 49.Ba6 Kd2 50.c7 f2 51.a4 Ke1 52.Kg2 Bd7 53.a5 h3+ 
0-1

[Event "18th Pan-American U20"]
[Site "Rancagua CHI"]
[Date "1993.08.??"]
[Round "1"]
[White "Torres, Jose Arturo"]
[Black "Sosa Macho, Juan Manuel"]
[Result "1/2-1/2"]
[ECO "B33"]
[EventDate "1993.??.??"]
[PlyCount "45"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e5 6.Ndb5 d6 7.a4 h6 8.f3 Be6
9.Be3 a6 10.Na3 Nb4 11.Bc4 Bxc4 12.Nxc4 d5 13.exd5 Nfxd5 14.Nxd5 Nxd5 15.
Bf2 Rc8 16.Nb6 Nxb6 17.Qxd8+ Rxd8 18.Bxb6 Rc8 19.c3 Bc5 20.Bxc5 Rxc5 21.
Ke2 Ke7 22.Rhd1 Ke6 23.Rd2 1/2-1/2

[Event "18th Pan-American U20"]
[Site "Rancagua CHI"]
[Date "1993.08.??"]
[Round "2"]
[White "Egger, Jorge"]
[Black "Barria, Daniel"]
[Result "1-0"]
[ECO "B09"]
[EventDate "1993.??.??"]
[PlyCount "75"]

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.f4 Bg7 5.Nf3 c5 6.Bb5+ Bd7 7.e5 Ng4 8.e6 Bxb5 
9.exf7+ Kd7 10.Nxb5 Qa5+ 11.Nc3 cxd4 12.Nxd4 Bxd4 13.Qxd4 Nc6 14.Qc4 Raf8 
15.h3 Nh6 16.Bd2 Qa6 17.Qxa6 bxa6 18.O-O-O Rxf7 19.g4 Rhf8 20.Ne4 Nd4 21.
Ng5 Ne2+ 22.Kb1 Rg7 23.Rhe1 Nxf4 24.Bxf4 Rxf4 25.Ne6 Rgf7 26.Nxf4 Rxf4 27.
Rd3 e5 28.Ra3 Ke6 29.Rxa6 e4 30.Rxa7 Nf7 31.a4 d5 32.a5 h5 33.gxh5 gxh5 
34.a6 Nd6 35.Rh7 Rf8 36.Rh6+ Ke5 37.Rxh5+ Nf5 38.a7 1-0

[Event "18th Pan-American U20"]
[Site "Rancagua CHI"]
[Date "1993.08.??"]
[Round "2"]
[White "Playa, Marcelo"]
[Black "Escandon, Federico"]
[Result "1-0"]
[ECO "B80"]
[EventDate "1993.??.??"]
[PlyCount "63"]

1.e4 c5 2.Nc3 d6 3.Nf3 e6 4.d4 cxd4 5.Nxd4 Nf6 6.g3 Nc6 7.Bg2 Bd7 8.O-O 
Be7 9.Ndb5 Qb8 10.Bf4 Ne5 11.Bg5 a6 12.Bxf6 gxf6 13.Nd4 Qa7 14.Kh1 Rc8 15.
Rb1 O-O 16.f4 Nc4 17.Rf3 Kh8 18.f5 Rg8 19.fxe6 fxe6 20.Bh3 f5 21.exf5 e5 
22.Nd5 Bg5 23.Ne6 Bc6 24.f6 Ne3 25.Nxg5 Rxg5 26.Bxc8 Nxd1 27.f7 Nf2+ 28.
Kg2 Bxd5 29.f8=Q+ Rg8 30.Qf6+ Rg7 31.Be6 Bxf3+ 32.Qxf3 1-0

[Event "18th Pan-American U20"]
[Site "Rancagua CHI"]
[Date "1993.08.??"]
[Round "2"]
[White "Renteria, Jorge"]
[Black "Silva, Sebastian"]
[Result "1/2-1/2"]
[ECO "B26"]
[EventDate "1993.??.??"]
[PlyCount "126"]

1.e4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 6.Be3 Nf6 7.h3 Rb8 8.Qd2 O-O 
9.Nge2 b5 10.O-O Nd7 11.g4 b4 12.Nd1 a5 13.Rb1 Nd4 14.b3 Nb6 15.f4 d5 16.
e5 Nxe2+ 17.Qxe2 d4 18.Bd2 f5 19.g5 e6 20.Nb2 Bb7 21.Bxb7 Rxb7 22.Ra1 h6 
23.h4 hxg5 24.hxg5 Ra7 25.a4 Rff7 26.Kf2 Bf8 27.Rh1 Rh7 28.Qf3 Qd5 29.Qxd5
exd5 30.Rxh7 Rxh7 31.Kg2 Rc7 32.Rc1 c4 33.dxc4 dxc4 34.Nxc4 Nxc4 35.bxc4 
Rxc4 36.Kf3 Rc7 37.Ke2 Rh7 38.Kd3 Rh3+ 39.Kxd4 Ra3 40.Kd5 Rxa4 41.Be3 Ra3 
42.Bd4 Rf3 43.e6 Rxf4 44.Bf6 Re4 45.Ra1 Re2 46.Rxa5 Rd2+ 47.Bd4 Bg7 48.
Ra8+ Kh7 49.e7 Rxd4+ 50.Kc5 Re4 51.e8=Q Rxe8 52.Rxe8 Bc3 53.Kd5 Bd2 54.
Re7+ Kg8 55.Rb7 Bc3 56.Ke6 Kf8 57.Rb8+ Kg7 58.Rb5 Kf8 59.Rb7 Kg8 60.Ke7 
Kg7 61.Rb8 Bd2 62.Ke6 Bc3 63.Rb5 Kf8 1/2-1/2

[Event "18th Pan-American U20"]
[Site "Rancagua CHI"]
[Date "1993.08.??"]
[Round "2"]
[White "Rojas, Luis"]
[Black "Sepulveda, Job"]
[Result "1-0"]
[ECO "C47"]
[EventDate "1993.??.??"]
[PlyCount "99"]

1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.d4 exd4 5.Nxd4 Bb4 6.Nxc6 bxc6 7.Bd3 d5 8.
exd5 cxd5 9.O-O O-O 10.Bg5 c6 11.Na4 Be7 12.Re1 h6 13.Bh4 Be6 14.c3 Qc7 
15.Bc2 Rfe8 16.Qd3 Ne4 17.Bg3 Qc8 18.f3 Nf6 19.Re2 g6 20.Qd2 Bf5 21.Bxf5 
Qxf5 22.Re5 Bc5+ 23.Nxc5 Rxe5 24.Bxe5 Qxe5 25.Re1 Qd6 26.Qd4 Re8 27.Rxe8+ 
Nxe8 28.Nd3 Qe7 29.Qe5 Qxe5 30.Nxe5 c5 31.Nc6 Kf8 32.Nxa7 Ke7 33.Nb5 Kd7 
34.Kf2 Kc6 35.a4 Ng7 36.g3 f5 37.Ke3 g5 38.Kd3 Ne6 39.c4 h5 40.cxd5+ Kxd5 
41.Nc3+ Kc6 42.a5 Nd4 43.b4 Nxf3 44.b5+ Kb7 45.Kc4 Nxh2 46.Kxc5 Nf3 47.b6 
h4 48.gxh4 gxh4 49.Nb5 h3 50.Nc7 1-0

[Event "18th Pan-American U20"]
[Site "Rancagua CHI"]
[Date "1993.08.??"]
[Round "2"]
[White "Sosa Macho, Juan Manuel"]
[Black "Mera, Angel"]
[Result "1/2-1/2"]
[ECO "E92"]
[EventDate "1993.??.??"]
[PlyCount "104"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5 7.Be3 Ng4 8.Bg5 f6 
9.Bc1 Nc6 10.h3 exd4 11.Nxd4 Nge5 12.Nxc6 Nxc6 13.O-O f5 14.exf5 Bxf5 15.
Be3 Qd7 16.Qd2 Rae8 17.Rad1 Qf7 18.b3 Ne5 19.Nd5 Be4 20.Nc3 Bf5 21.Rfe1 g5
22.Bxg5 Bxh3 23.gxh3 Qxf2+ 24.Kh1 Nf3 25.Bxf3 Qxf3+ 26.Qg2 Qxg2+ 27.Kxg2 
Bxc3 28.Rxe8 Rxe8 29.Kf3 Kf7 30.h4 Re1 31.Rd5 Be5 32.Rd2 Ke6 33.Kg4 Rb1 
34.Kh5 Kf7 35.Rf2+ Ke6 36.Kh6 Rh1 37.Kxh7 Bg3 38.Rf6+ Ke5 39.Rh6 Rh2 40.
Kg6 Rxa2 41.Rh7 Bxh4 42.Bxh4 Ra3 43.Bg3+ Ke6 44.Bh4 Ke5 45.Bf6+ Ke4 46.
Rxc7 Rxb3 47.Kf7 b5 48.cxb5 Rxb5 49.Rxa7 d5 50.Ra1 Rb3 51.Rh1 Rf3 52.Ke6 
d4 1/2-1/2

[Event "18th Pan-American U20"]
[Site "Rancagua CHI"]
[Date "1993.08.??"]
[Round "2"]
[White "Steinhoff, Igor"]
[Black "Torres, Jose Arturo"]
[Result "1-0"]
[ECO "E11"]
[EventDate "1993.??.??"]
[PlyCount "121"]

1.d4 Nf6 2.c4 e6 3.Nf3 Bb4+ 4.Bd2 Qe7 5.g3 O-O 6.Bg2 Nc6 7.O-O Bxd2 8.
Nbxd2 a5 9.e4 e5 10.d5 Nb8 11.Qc2 Na6 12.Qc3 Nc5 13.Nxe5 Na4 14.Qd4 c5 15.
dxc6 dxc6 16.Nd3 Rd8 17.Qe3 Ng4 18.Qe2 Ne5 19.Nxe5 Qxe5 20.Rab1 Bg4 21.Nf3
Bxf3 22.Bxf3 Rd4 23.Qc2 Nc5 24.Rbd1 Rad8 25.Rxd4 Rxd4 26.Rd1 Ne6 27.Kg2 c5
28.Qa4 g6 29.Rxd4 Qxd4 30.Qb5 a4 31.Qxb7 Qxc4 32.b3 axb3 33.axb3 Qb4 34.
Qxb4 cxb4 35.Bd1 Nc5 36.Kf3 Kf8 37.Ke3 Ke7 38.f4 f6 39.Bc2 Kd6 40.Kd4 Na6 
41.Bd3 Nc7 42.Kc4 Ne6 43.Kxb4 Nd4 44.Kc3 Nf3 45.h3 g5 46.Be2 Ng1 47.Bg4 h5
48.Bxh5 gxf4 49.gxf4 Nxh3 50.f5 Ke5 51.b4 Ng5 52.Bg6 Nxe4+ 53.Kc4 Kd6 54.
Bf7 Ke5 55.Be6 Ng5 56.Kc5 Nxe6+ 57.fxe6 Kxe6 58.Kc6 Ke7 59.b5 Kd8 60.Kb7 
f5 61.b6 1-0

[Event "18th Pan-American U20"]
[Site "Rancagua CHI"]
[Date "1993.08.??"]
[Round "2"]
[White "Vescovi, Giovanni"]
[Black "Langier, Daniel"]
[Result "1-0"]
[ECO "B53"]
[EventDate "1993.??.??"]
[PlyCount "49"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Qxd4 Nc6 5.Bb5 Bd7 6.Bxc6 Bxc6 7.Nc3 Nf6 8.
Bg5 e6 9.O-O-O Be7 10.Rhe1 O-O 11.Kb1 Qa5 12.Qd2 Qa6 13.Nd4 Rfe8 14.f3 
Rab8 15.g4 b5 16.Nce2 Rbc8 17.Ng3 Bd7 18.Rg1 Kh8 19.Nh5 Nxh5 20.Bxe7 Rxe7 
21.gxh5 f6 22.h6 g6 23.Nb3 Rc6 24.e5 dxe5 25.Qb4 1-0

[Event "18th Pan-American U20"]
[Site "Rancagua CHI"]
[Date "1993.08.??"]
[Round "3"]
[White "Barria, Daniel"]
[Black "Sosa Macho, Juan Manuel"]
[Result "1-0"]
[ECO "B35"]
[EventDate "1993.??.??"]
[PlyCount "77"]

1.e4 c5 2.Nf3 Nc6 3.Nc3 g6 4.d4 cxd4 5.Nxd4 Bg7 6.Be3 Nf6 7.Bc4 O-O 8.Bb3 
a5 9.a4 Ng4 10.Qxg4 Nxd4 11.Qh4 Nxb3 12.cxb3 Ra6 13.O-O Re6 14.Rac1 b6 15.
Bh6 Bxh6 16.Qxh6 Bb7 17.Rfe1 Re5 18.Qd2 f5 19.Qd4 d6 20.f3 fxe4 21.Nxe4 
Rf4 22.Nf6+ Rxf6 23.Rxe5 Qf8 24.Re3 Qd8 25.Rce1 Rf7 26.h4 Qc7 27.Qc4 e5 
28.Qxc7 Rxc7 29.Rc3 Rd7 30.Rec1 Bd5 31.Rc7 Rd8 32.Rc8 Rxc8 33.Rxc8+ Kf7 
34.Rb8 Bxb3 35.Rxb6 Bxa4 36.Rxd6 Be8 37.Ra6 a4 38.Kf2 Bd7 39.Ke3 1-0

[Event "18th Pan-American U20"]
[Site "Rancagua CHI"]
[Date "1993.08.??"]
[Round "3"]
[White "Escandon, Federico"]
[Black "Egger, Jorge"]
[Result "1-0"]
[ECO "B04"]
[EventDate "1993.??.??"]
[PlyCount "118"]

1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Nf3 g6 5.Bc4 Nb6 6.Bb3 Bg7 7.O-O O-O 8.c3 Nc6 
9.exd6 cxd6 10.Bg5 d5 11.Re1 Re8 12.Nbd2 Bf5 13.Nf1 Na5 14.Ng3 Be6 15.Bc2 
Nbc4 16.b3 Nd6 17.Qd2 Rc8 18.Bh6 Qc7 19.Bxg7 Kxg7 20.Nh5+ gxh5 21.Qg5+ Kh8
22.Qxh5 Ne4 23.Bxe4 dxe4 24.Ng5 Bf5 25.Nxf7+ Kg7 26.Qxf5 Rf8 27.Rxe4 Rxf7 
28.Rg4+ Kf8 29.Qg5 Ke8 30.c4 Nc6 31.Qg8+ Rf8 32.Qxh7 Qd6 33.Re1 Qf6 34.f3 
Rc7 35.d5 Nd4 36.Qd3 Nf5 37.Rf4 Qb6+ 38.Kf1 Qg6 39.Qe4 Rg8 40.g4 Nd6 41.
Qxg6+ Rxg6 42.Kf2 b5 43.Rc1 bxc4 44.bxc4 Nb7 45.h4 Nc5 46.Rd4 Rb6 47.Rc2 
a5 48.g5 Kf7 49.h5 a4 50.Rg4 a3 51.g6+ Kg8 52.h6 Rb2 53.Re2 Nd3+ 54.Ke3 
Rxe2+ 55.Kxe2 Nc1+ 56.Kd2 Nxa2 57.g7 Rc8 58.c5 Ra8 59.c6 Nc3 1-0

[Event "18th Pan-American U20"]
[Site "Rancagua CHI"]
[Date "1993.08.??"]
[Round "3"]
[White "Langier, Daniel"]
[Black "Playa, Marcelo"]
[Result "1/2-1/2"]
[ECO "B01"]
[EventDate "1993.??.??"]
[PlyCount "90"]

1.e4 d5 2.exd5 Qxd5 3.Nc3 Qa5 4.Bc4 Nf6 5.d4 Bf5 6.Ne2 e6 7.O-O c6 8.Ng3 
Bd6 9.Qe2 O-O 10.Nxf5 exf5 11.Qf3 g6 12.Bf4 Qc7 13.Bxd6 Qxd6 14.Rad1 Nbd7 
15.Rfe1 Rfe8 16.Rxe8+ Rxe8 17.g3 Ne4 18.Nxe4 Rxe4 19.c3 Qe7 20.Kg2 Nf6 21.
Bd3 Re1 22.Rxe1 Qxe1 23.Qe2 Qc1 24.Bc4 Ne4 25.d5 Qg5 26.dxc6 bxc6 27.Bd3 
Nd6 28.Qe5 Qd8 29.Qd4 Qe7 30.c4 Ne4 31.a3 Nc5 32.Bc2 Ne6 33.Qe5 c5 34.b4 
cxb4 35.Qb8+ Kg7 36.axb4 Nd4 37.Bd3 Nc6 38.Qb5 Nxb4 39.Bf1 Qe4+ 40.Kg1 Nc2
41.Qa4 Nd4 42.Qxa7 Nf3+ 43.Kg2 f4 44.Qa1+ f6 45.Qd1 Ne1+ 1/2-1/2

[Event "18th Pan-American U20"]
[Site "Rancagua CHI"]
[Date "1993.08.??"]
[Round "3"]
[White "Mera, Angel"]
[Black "Steinhoff, Igor"]
[Result "0-1"]
[ECO "E60"]
[EventDate "1993.??.??"]
[PlyCount "69"]

1.c4 g6 2.g3 Bg7 3.Bg2 Nf6 4.Nf3 O-O 5.d4 d6 6.O-O Nbd7 7.Qc2 e5 8.Rd1 Re8
9.dxe5 dxe5 10.e4 c6 11.h3 Qe7 12.b3 Nc5 13.Ba3 Nfd7 14.Nc3 Qf6 15.b4 Ne6 
16.c5 Qe7 17.Bb2 Rf8 18.Ne2 h6 19.Rd6 Ng5 20.Nxg5 hxg5 21.Qd2 Re8 22.a4 a5
23.b5 Nxc5 24.Qd1 cxb5 25.axb5 Nb3 26.Rb1 Nd4 27.Ba3 Be6 28.Nxd4 exd4 29.
Qd3 Qf6 30.b6 Bf8 31.e5 Qxe5 32.Rxd4 Bxa3 33.Bxb7 Rab8 34.Bc6 Bf5 35.Qxa3 
0-1

[Event "18th Pan-American U20"]
[Site "Rancagua CHI"]
[Date "1993.08.??"]
[Round "3"]
[White "Sepulveda, Job"]
[Black "Vescovi, Giovanni"]
[Result "0-1"]
[ECO "A48"]
[EventDate "1993.??.??"]
[PlyCount "54"]

1.d4 Nf6 2.Nf3 g6 3.Bf4 d6 4.e3 Nh5 5.Bg5 h6 6.Bh4 Bg7 7.Be2 O-O 8.O-O f5 
9.Ne1 Nf6 10.Nd3 Qe8 11.f4 Nbd7 12.Nd2 Nd5 13.Bf2 e5 14.dxe5 dxe5 15.fxe5 
Nxe5 16.e4 fxe4 17.Nxe4 Nxd3 18.Qxd3 Be6 19.Bg3 Rxf1+ 20.Rxf1 Rd8 21.Bf3 
Qe7 22.Rd1 Rd7 23.Qe2 b6 24.b3 Nb4 25.a4 Nc6 26.Nf6+ Bxf6 27.Bxc6 Qc5+ 0-1

[Event "18th Pan-American U20"]
[Site "Rancagua CHI"]
[Date "1993.08.??"]
[Round "3"]
[White "Silva, Sebastian"]
[Black "Rojas, Luis"]
[Result "1/2-1/2"]
[ECO "D47"]
[EventDate "1993.??.??"]
[PlyCount "65"]

1.d4 Nf6 2.Nf3 d5 3.c4 c6 4.Nc3 e6 5.e3 Nbd7 6.Bd3 dxc4 7.Bxc4 b5 8.Be2 
Bb7 9.O-O Be7 10.a3 O-O 11.e4 a6 12.b4 a5 13.e5 Nd5 14.Nxd5 cxd5 15.Bd2 
axb4 16.Bxb4 Bxb4 17.axb4 Bc6 18.Qc2 Rc8 19.Bd3 h6 20.Qe2 Qe7 21.Rfb1 Nb6 
22.Bxb5 Bxb5 23.Qxb5 Nc4 24.Qa4 Rb8 25.Qa7 Rb7 26.Qc5 Qd7 27.b5 Rfb8 28.g3
Rxb5 29.Rxb5 Qxb5 30.Qxb5 Rxb5 31.Ra8+ Kh7 32.Ra7 Kg8 33.Ra8+ 1/2-1/2

[Event "18th Pan-American U20"]
[Site "Rancagua CHI"]
[Date "1993.08.??"]
[Round "3"]
[White "Torres, Jose Arturo"]
[Black "Renteria, Jorge"]
[Result "0-1"]
[ECO "B93"]
[EventDate "1993.??.??"]
[PlyCount "120"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.f4 e5 7.Nf3 Qc7 8.Bd3 b5 
9.a4 b4 10.Ne2 Bb7 11.Ng3 Nbd7 12.O-O g6 13.Kh1 Bg7 14.fxe5 dxe5 15.Bd2 a5
16.c3 bxc3 17.Bxc3 O-O 18.Rc1 Qb6 19.Bb5 Rfd8 20.Qe2 h6 21.Nxe5 Nxe5 22.
Bxe5 Qe6 23.Bxf6 Bxf6 24.Rc7 Ba6 25.Bxa6 Rxa6 26.Qf2 h5 27.Qf3 h4 28.Ne2 
h3 29.gxh3 Rd2 30.Ng3 Qxh3 31.Rf2 Rad6 32.Rc1 Rxf2 33.Qxf2 Bg5 34.Rf1 Rf6 
35.Qg2 Rxf1+ 36.Qxf1 Qe6 37.Qe2 Bf6 38.Kg2 Qa2 39.e5 Qd5+ 40.Qe4 Qxe4+ 41.
Nxe4 Bxe5 42.b3 f5 43.Nc5 Bc3 44.Kf3 Bb4 45.Nd3 Bc3 46.Nc5 Kf7 47.h3 Kf6 
48.Nb7 Ke5 49.Nc5 Kd4 50.Ne6+ Kd3 51.Nf4+ Kc2 52.Nxg6 Kxb3 53.Ne7 Kxa4 54.
Nc6 Bd2 55.Ke2 Bc3 56.Kf3 Bd2 57.Ke2 Bg5 58.Kd3 f4 59.Ke4 Kb5 60.Nd4+ Kc4 
0-1

[Event "18th Pan-American U20"]
[Site "Rancagua CHI"]
[Date "1993.08.??"]
[Round "4"]
[White "Egger, Jorge"]
[Black "Sosa Macho, Juan Manuel"]
[Result "0-1"]
[ECO "B33"]
[EventDate "1993.??.??"]
[PlyCount "80"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e5 6.Ndb5 d6 7.Bg5 a6 8.Na3 
b5 9.Bxf6 gxf6 10.Nd5 Bg7 11.Bd3 Ne7 12.Nxe7 Qxe7 13.O-O f5 14.c4 O-O 15.
Qf3 Re8 16.Rfe1 f4 17.Qh5 b4 18.Nc2 Rb8 19.b3 Rb6 20.h3 Kh8 21.a3 bxa3 22.
Rxa3 Rg8 23.Kf1 Bf8 24.b4 Rg5 25.Qf3 d5 26.exd5 Rh6 27.c5 Rxg2 28.Kxg2 
Qg5+ 29.Kh2 Bxh3 30.Qxh3 Rxh3+ 31.Kxh3 Qh5+ 32.Kg2 f3+ 33.Kg3 Bh6 34.Re4 
f5 35.Rh4 Qg5+ 36.Kxf3 Qxh4 37.Ke2 Qg4+ 38.Ke1 Qf4 39.d6 Qc1+ 40.Ke2 e4 
0-1

[Event "18th Pan-American U20"]
[Site "Rancagua CHI"]
[Date "1993.08.??"]
[Round "4"]
[White "Escandon, Federico"]
[Black "Langier, Daniel"]
[Result "0-1"]
[ECO "B83"]
[EventDate "1993.??.??"]
[PlyCount "52"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Be2 e5 7.Nb3 Be7 8.O-O 
O-O 9.f4 exf4 10.Bxf4 Be6 11.Kh1 Rc8 12.Bf3 Ne5 13.Nd4 Qb6 14.Nd5 Nxd5 15.
exd5 Nxf3 16.Nxf3 Bf5 17.Nd4 Bg6 18.b3 Bf6 19.Be3 Rc3 20.Bg1 Qd8 21.Nf5 
Re8 22.Nh6+ gxh6 23.Rxf6 Qxf6 24.Bd4 Re1+ 25.Qxe1 Qxd4 26.Rd1 Re3 0-1

[Event "18th Pan-American U20"]
[Site "Rancagua CHI"]
[Date "1993.08.??"]
[Round "4"]
[White "Playa, Marcelo"]
[Black "Sepulveda, Job"]
[Result "1/2-1/2"]
[ECO "C55"]
[EventDate "1993.??.??"]
[PlyCount "130"]

1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Bc4 Nf6 5.Ng5 Ne5 6.Qxd4 Nxc4 7.Qxc4 d5 8.
exd5 Qxd5 9.Qe2+ Be7 10.O-O h6 11.Nc3 Qd8 12.Rd1 Bd7 13.Nf3 O-O 14.Ne5 Bd6
15.Nxd7 Qxd7 16.Bf4 Qc6 17.Bxd6 cxd6 18.Nb5 Rfe8 19.Qd3 d5 20.Nd4 Qc7 21.
Qg3 Qd7 22.c3 b5 23.Qd3 Rab8 24.Nf5 Qc7 25.Qf3 Qe5 26.Nd4 Qe4 27.Qxe4 dxe4
28.Nc2 a5 29.Rd4 b4 30.c4 b3 31.Ne3 bxa2 32.Rxa2 Rb3 33.Rxa5 Rxb2 34.g3 
Rb1+ 35.Kg2 Rc1 36.Ra7 Rb8 37.Rd6 h5 38.Re7 Rb2 39.Rd8+ Kh7 40.Rd1 Rc3 41.
Re1 Ng4 42.Nxg4 hxg4 43.R7xe4 f5 44.Rf4 g6 45.h3 gxh3+ 46.Kxh3 Rcc2 47.
Re7+ Kh6 48.Kg2 Ra2 49.Rc7 Rab2 50.Rf7 Ra2 51.g4 Ra4 52.gxf5 gxf5 53.R4xf5
Rcxc4 54.f3 Ra2+ 55.Kg3 Rc6 56.Re7 Rg6+ 57.Kf4 Ra4+ 58.Re4 Rxe4+ 59.fxe4 
Re6 60.e5 Kg6 61.Rg5+ Kf7 62.Kf5 Ra6 63.Rh5 Ke7 64.Rh7+ Ke8 65.e6 Ra1 
1/2-1/2

[Event "18th Pan-American U20"]
[Site "Rancagua CHI"]
[Date "1993.08.??"]
[Round "4"]
[White "Renteria, Jorge"]
[Black "Mera, Angel"]
[Result "1/2-1/2"]
[ECO "B24"]
[EventDate "1993.??.??"]
[PlyCount "77"]

1.e4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 e6 6.Be3 Nd4 7.Nce2 Ne7 8.c3 Nxe2
9.Nxe2 b6 10.d4 cxd4 11.cxd4 d5 12.e5 Nf5 13.Bd2 h5 14.h4 Bh6 15.Bxh6 Nxh6
16.O-O g5 17.hxg5 Qxg5 18.Qc1 Qd8 19.Nc3 Ba6 20.Re1 h4 21.Qd1 hxg3 22.fxg3
Kf8 23.Qd2 Nf5 24.Qf4 Rg8 25.Nxd5 Bb7 26.Nf6 Rxg3 27.d5 Rc8 28.Rac1 Rg6 
29.Rxc8 Qxc8 30.Rc1 Qd8 31.Rc3 Bxd5 32.Rh3 Rxg2+ 33.Kf1 Rg8 34.Qb4+ Qe7 
35.Nh7+ Ke8 36.Nf6+ Kf8 37.Nh7+ Ke8 38.Nf6+ Kf8 39.Nh7+ 1/2-1/2

[Event "18th Pan-American U20"]
[Site "Rancagua CHI"]
[Date "1993.08.??"]
[Round "4"]
[White "Rojas, Luis"]
[Black "Torres, Jose Arturo"]
[Result "0-1"]
[ECO "C02"]
[EventDate "1993.??.??"]
[PlyCount "122"]

1.e4 e6 2.d4 d5 3.e5 c5 4.c3 Ne7 5.Nf3 Nec6 6.Bd3 b6 7.O-O a5 8.Re1 Ba6 9.
Bc2 Be7 10.a4 Nd7 11.Na3 cxd4 12.cxd4 Nb4 13.Bb1 O-O 14.Nb5 Bxb5 15.axb5 
Re8 16.h3 Nf8 17.Nh2 Qd7 18.Qh5 Rac8 19.Ng4 Ng6 20.Bg5 Bxg5 21.Qxg5 Qe7 
22.Qd2 h5 23.Nh2 Rc4 24.Ra3 Qh4 25.Bxg6 fxg6 26.Nf3 Qe7 27.Rc3 Rec8 28.
Rec1 Na2 29.Rxc4 dxc4 30.Ra1 c3 31.bxc3 Nxc3 32.Qd3 Qf7 33.Ng5 Qf5 34.Qxf5
exf5 35.Kf1 Nd5 36.Ke2 Kf8 37.g4 Ke7 38.gxf5 gxf5 39.Rg1 Rc2+ 40.Kf3 Rc3+ 
41.Ke2 Nf4+ 42.Kd2 Rd3+ 43.Kc2 Rxd4 44.Nf3 Rc4+ 45.Kd2 g6 46.Nh4 Rb4 47.
Nxg6+ Nxg6 48.Rxg6 Rxb5 49.f4 Rb4 50.Kc3 h4 51.Rh6 Rxf4 52.Rxb6 Re4 53.Rh6
a4 54.Ra6 Kd7 55.Kd3 Kc7 56.Kc3 f4 57.Kd3 Re3+ 58.Kd4 a3 59.Kd5 f3 60.Ra7+
Kd8 61.Kd6 Rd3+ 0-1

[Event "18th Pan-American U20"]
[Site "Rancagua CHI"]
[Date "1993.08.??"]
[Round "4"]
[White "Steinhoff, Igor"]
[Black "Barria, Daniel"]
[Result "1-0"]
[ECO "E81"]
[EventDate "1993.??.??"]
[PlyCount "45"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Be3 c5 7.Nge2 Nc6 8.Qd2 Qa5 
9.d5 Ne5 10.Nc1 a6 11.Bg5 Rb8 12.f4 Ned7 13.Nb3 Qc7 14.a4 Re8 15.Bd3 e5 
16.f5 gxf5 17.exf5 e4 18.Be2 e3 19.Bxe3 Ne5 20.O-O Qb6 21.Ra3 Qb4 22.Bh6 
Nxc4 23.Qg5 1-0

[Event "18th Pan-American U20"]
[Site "Rancagua CHI"]
[Date "1993.08.??"]
[Round "4"]
[White "Vescovi, Giovanni"]
[Black "Silva, Sebastian"]
[Result "1-0"]
[ECO "B75"]
[EventDate "1993.??.??"]
[PlyCount "62"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.Be3 Nf6 6.Nc3 Bg7 7.Bc4 d6 8.f3 
Qb6 9.Ncb5 a6 10.Nf5 Qa5+ 11.Bd2 gxf5 12.Nxd6+ exd6 13.Bxa5 Nxa5 14.Be2 
O-O 15.exf5 Bxf5 16.O-O d5 17.g4 Be6 18.f4 Nc4 19.f5 Ne3 20.Qd3 Nxf1 21.
fxe6 fxe6 22.Rxf1 Ne4 23.Bf3 Nc5 24.Qe3 d4 25.Qg5 e5 26.Qe7 Na4 27.Qxb7 
Rfb8 28.Qd7 Nb6 29.Qe6+ Kh8 30.Bxa8 Nxa8 31.Rf7 Rg8 1-0

[Event "18th Pan-American U20"]
[Site "Rancagua CHI"]
[Date "1993.08.??"]
[Round "5"]
[White "Barria, Daniel"]
[Black "Renteria, Jorge"]
[Result "0-1"]
[ECO "B93"]
[EventDate "1993.??.??"]
[PlyCount "64"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.f4 g6 7.a4 Bg7 8.Nf3 O-O 
9.Bd3 b6 10.O-O Bb7 11.Qe2 Nc6 12.Kh1 Na5 13.Bd2 Nd7 14.Rae1 Nc5 15.b3 Rc8
16.Nd5 e6 17.Nb4 Nxd3 18.Qxd3 Qc7 19.Nd4 e5 20.Ne2 Rfe8 21.f5 Qc5 22.f6 
Bh8 23.Qh3 Bxe4 24.Nc3 Bb7 25.Nd3 Qc7 26.Re3 Re6 27.Qh4 Qd8 28.Rh3 h5 29.
Bg5 Rxc3 30.Rg3 Kh7 31.Rf2 Nc6 32.Bd2 Bxf6 0-1

[Event "18th Pan-American U20"]
[Site "Rancagua CHI"]
[Date "1993.08.??"]
[Round "5"]
[White "Langier, Daniel"]
[Black "Egger, Jorge"]
[Result "1/2-1/2"]
[ECO "C47"]
[EventDate "1993.??.??"]
[PlyCount "61"]

1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.d4 exd4 5.Nxd4 Bb4 6.Nxc6 bxc6 7.Bd3 d5 8.
exd5 cxd5 9.O-O O-O 10.Bg5 c6 11.Na4 h6 12.Bh4 Re8 13.c4 Be6 14.Rc1 Bd6 
15.cxd5 Bxd5 16.Bc4 Re4 17.Bxf6 Qxf6 18.Bxd5 cxd5 19.Nc3 Rd4 20.Qe2 Qe5 
21.Qxe5 Bxe5 22.Rfe1 f6 23.Red1 Rc8 24.Rxd4 Bxd4 25.Kf1 Kf7 26.Ke2 Ke6 27.
g3 f5 28.Re1 Bxc3 29.bxc3 Rc4 30.Kd3+ Kd6 31.Re2 1/2-1/2

[Event "18th Pan-American U20"]
[Site "Rancagua CHI"]
[Date "1993.08.??"]
[Round "5"]
[White "Mera, Angel"]
[Black "Rojas, Luis"]
[Result "1-0"]
[ECO "D30"]
[EventDate "1993.??.??"]
[PlyCount "53"]

1.c4 Nf6 2.Nf3 c6 3.d4 d5 4.Qc2 e6 5.Bf4 Bd6 6.Ne5 Nh5 7.Bg3 Nxg3 8.hxg3 
Bxe5 9.dxe5 h6 10.Nd2 Nd7 11.f4 Qa5 12.e3 Nc5 13.a3 dxc4 14.Bxc4 Nd7 15.
O-O-O b5 16.Bxe6 fxe6 17.Qxc6 O-O 18.Qxe6+ Rf7 19.Qc6 Nb6 20.e6 Re7 21.Nb3
Qa4 22.Rd8+ Kh7 23.Rxh6+ Kxh6 24.Rh8+ Kg6 25.Qc2+ Kf6 26.Rf8+ Kxe6 27.Qc6#
1-0

[Event "18th Pan-American U20"]
[Site "Rancagua CHI"]
[Date "1993.08.??"]
[Round "5"]
[White "Sepulveda, Job"]
[Black "Escandon, Federico"]
[Result "1-0"]
[ECO "D44"]
[EventDate "1993.??.??"]
[PlyCount "53"]

1.d4 d5 2.Nf3 Nf6 3.c4 c6 4.Nc3 e6 5.Bg5 dxc4 6.e4 b5 7.e5 h6 8.Bh4 g5 9.
Nxg5 hxg5 10.Bxg5 Nbd7 11.g3 Bb7 12.Bg2 Qb6 13.exf6 O-O-O 14.O-O c5 15.d5 
b4 16.Na4 Qb5 17.a3 Nb8 18.axb4 cxb4 19.Be3 Bxd5 20.Bxd5 Rxd5 21.Qe2 Nc6 
22.Rfc1 Rd3 23.Bxa7 Ne5 24.Rxc4+ Kb7 25.Qe4+ Rd5 26.Nc5+ Bxc5 27.Rxc5 1-0

[Event "18th Pan-American U20"]
[Site "Rancagua CHI"]
[Date "1993.08.??"]
[Round "5"]
[White "Silva, Sebastian"]
[Black "Playa, Marcelo"]
[Result "1-0"]
[ECO "D00"]
[EventDate "1993.??.??"]
[PlyCount "109"]

1.d4 Nf6 2.Nf3 g6 3.Nc3 d5 4.Bf4 Bg7 5.e3 O-O 6.Be2 c5 7.dxc5 Qa5 8.Nd2 
Qxc5 9.Nb3 Qb6 10.O-O Nc6 11.a4 Bf5 12.g4 Be6 13.Nb5 Ne8 14.c3 a6 15.a5 
Qd8 16.N5d4 Bc8 17.Nxc6 bxc6 18.e4 Nc7 19.Be3 e5 20.Bb6 Re8 21.Bf3 Qe7 22.
Bxc7 Qxc7 23.exd5 e4 24.d6 Qd8 25.Bg2 Be5 26.Nc5 Qxd6 27.Qxd6 Bxd6 28.Nxe4
Be7 29.h3 Rb8 30.Rfe1 Be6 31.b4 Bd5 32.Bf1 f5 33.Nc5 Bxc5 34.Rxe8+ Rxe8 
35.bxc5 fxg4 36.hxg4 Re4 37.f3 Re7 38.Kf2 Rf7 39.Be2 h5 40.gxh5 gxh5 41.
Bxa6 Rxf3+ 42.Ke2 Rf7 43.Ke3 Kg7 44.Bf1 Kf6 45.a6 Ra7 46.Kf4 Ke7 47.Rb1 
Kd7 48.Rb8 Kc7 49.Rh8 Be6 50.Rxh5 Bc8 51.Ke5 Kb8 52.Rh8 Re7+ 53.Kd4 Ka7 
54.Rxc8 Rd7+ 55.Kc4 1-0

[Event "18th Pan-American U20"]
[Site "Rancagua CHI"]
[Date "1993.08.??"]
[Round "5"]
[White "Sosa Macho, Juan Manuel"]
[Black "Steinhoff, Igor"]
[Result "1-0"]
[ECO "E92"]
[EventDate "1993.??.??"]
[PlyCount "87"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5 7.Be3 Ng4 8.Bg5 f6 
9.Bh4 Nc6 10.d5 Ne7 11.Nd2 Nh6 12.f3 f5 13.O-O Bf6 14.Bf2 c5 15.Rb1 g5 16.
b4 b6 17.bxc5 bxc5 18.Nb3 Ng6 19.g3 g4 20.fxg4 fxg4 21.Be3 Bg5 22.Bxg5 
Qxg5 23.Qd2 Rxf1+ 24.Bxf1 Nf7 25.Qxg5 Nxg5 26.Nd2 Ba6 27.Rb3 Nf7 28.Nb5 
Bxb5 29.cxb5 Nd8 30.Nc4 Nb7 31.Ra3 Nf8 32.Be2 h5 33.h3 Nd7 34.hxg4 Nf6 35.
Bd3 hxg4 36.Ra6 Rf8 37.Rxa7 Rf7 38.b6 Nh5 39.Na5 Rf3 40.Be2 Rxg3+ 41.Kf2 
Rc3 42.Bxg4 Nf6 43.Be6+ Kf8 44.Rxb7 1-0

[Event "18th Pan-American U20"]
[Site "Rancagua CHI"]
[Date "1993.08.??"]
[Round "5"]
[White "Torres, Jose Arturo"]
[Black "Vescovi, Giovanni"]
[Result "0-1"]
[ECO "B52"]
[EventDate "1993.??.??"]
[PlyCount "60"]

1.e4 c5 2.Nf3 d6 3.Bb5+ Bd7 4.Bxd7+ Qxd7 5.O-O Nc6 6.c3 Nf6 7.Re1 e6 8.d4 
cxd4 9.cxd4 d5 10.e5 Ne4 11.Nbd2 Nxd2 12.Bxd2 Be7 13.Rc1 O-O 14.Bg5 Bb4 
15.Re2 Rfc8 16.Rec2 Bf8 17.h3 Nb4 18.Rxc8 Rxc8 19.a3 Nc6 20.b4 a6 21.Ne1 
Na7 22.Rxc8 Nxc8 23.Nd3 Nb6 24.Qc2 Nc4 25.Bc1 Qc6 26.Qe2 Qa4 27.Kh2 Qb3 
28.Nc5 Bxc5 29.bxc5 Qc3 30.Be3 Qxa3 0-1

[Event "18th Pan-American U20"]
[Site "Rancagua CHI"]
[Date "1993.08.??"]
[Round "6"]
[White "Egger, Jorge"]
[Black "Steinhoff, Igor"]
[Result "1-0"]
[ECO "B78"]
[EventDate "1993.??.??"]
[PlyCount "75"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.Nc3 Bg7 6.Be3 Nf6 7.Bc4 O-O 8.Bb3 
d6 9.f3 Bd7 10.Qd2 Rc8 11.h4 h5 12.O-O-O Ne5 13.Bg5 Rc5 14.f4 Nc4 15.Qd3 
Ng4 16.Bxc4 Nf2 17.Qe2 Nxh1 18.Bb3 a5 19.a4 Qb6 20.f5 Bxd4 21.Rxd4 Rxf5 
22.exf5 Qxd4 23.fxg6 Qg1+ 24.Nd1 Bg4 25.gxf7+ Rxf7 26.Bxf7+ Kxf7 27.Qxe7+ 
Kg8 28.Qd8+ Kh7 29.Qc7+ Kg8 30.Qb8+ Kf7 31.Qxb7+ Kf8 32.Bh6+ Ke8 33.Qc6+ 
Ke7 34.Bg5+ Ke6 35.Qe8+ Kd5 36.c4+ Kxc4 37.Qe4+ Kb3 38.Qd5+ 1-0

[Event "18th Pan-American U20"]
[Site "Rancagua CHI"]
[Date "1993.08.??"]
[Round "6"]
[White "Escandon, Federico"]
[Black "Silva, Sebastian"]
[Result "0-1"]
[ECO "B70"]
[EventDate "1993.??.??"]
[PlyCount "80"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.Nc3 Bg7 6.Nb3 Nf6 7.Be2 O-O 8.O-O 
d6 9.Bg5 a6 10.a4 Be6 11.f4 b5 12.Bf3 b4 13.Nd5 Bxd5 14.exd5 Na5 15.Nxa5 
Qxa5 16.Kh1 Rac8 17.f5 Qc5 18.fxg6 hxg6 19.Rc1 Nd7 20.Qe2 Bxb2 21.Rb1 Bf6 
22.Bxf6 Nxf6 23.Qxe7 Nxd5 24.Bxd5 Qxd5 25.Rfd1 Qc5 26.Qxd6 a5 27.Qd5 Rfe8 
28.Qd7 Re7 29.Qg4 Qxc2 30.h3 Rce8 31.Rbc1 Qxa4 32.Rd6 Re1+ 33.Rxe1 Rxe1+ 
34.Kh2 Qe8 35.Rd5 b3 36.Qd4 Qb8+ 37.g3 Re8 38.Qb2 a4 39.Rd2 Qb4 40.Rd4 a3 
0-1

[Event "18th Pan-American U20"]
[Site "Rancagua CHI"]
[Date "1993.08.??"]
[Round "6"]
[White "Langier, Daniel"]
[Black "Sepulveda, Job"]
[Result "1-0"]
[ECO "C47"]
[EventDate "1993.??.??"]
[PlyCount "93"]

1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.d4 exd4 5.Nxd4 Bb4 6.Nxc6 bxc6 7.Bd3 d5 8.
exd5 cxd5 9.O-O O-O 10.Bg5 c6 11.Na4 h6 12.Bh4 Be6 13.c3 Be7 14.Re1 Re8 
15.Bc2 Rc8 16.b4 d4 17.Qd3 dxc3 18.Qxc3 Nd5 19.Bxe7 Nxc3 20.Bxd8 Nxa4 21.
Bh4 Nc3 22.a3 c5 23.f3 cxb4 24.axb4 Nd5 25.Ba4 Rf8 26.Rxe6 fxe6 27.Bd7 Rc4
28.Be7 Re8 29.Bxe8 Nxe7 30.Rxa7 Nc8 31.Ra8 Kh7 32.b5 Nd6 33.Bc6 Rc5 34.Rb8
Kg6 35.Kf2 Rc2+ 36.Kg3 Rc5 37.Kf4 Kf6 38.Ke3 Rc2 39.Rd8 Nc4+ 40.Ke4 Re2+ 
41.Kd3 Rd2+ 42.Kxc4 Rxd8 43.b6 Ke7 44.Kc5 e5 45.b7 g6 46.Bb5 Rb8 47.Kc6 
1-0

[Event "18th Pan-American U20"]
[Site "Rancagua CHI"]
[Date "1993.08.??"]
[Round "6"]
[White "Playa, Marcelo"]
[Black "Torres, Jose Arturo"]
[Result "0-1"]
[ECO "C16"]
[EventDate "1993.??.??"]
[PlyCount "98"]

1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 Qd7 5.Qg4 f5 6.Qh5+ Qf7 7.Qxf7+ Kxf7 8.a3 
Bxc3+ 9.bxc3 b6 10.c4 c6 11.cxd5 cxd5 12.c4 Ne7 13.Nf3 h6 14.cxd5 Nxd5 15.
Nd2 Nc6 16.Bb2 Na5 17.g4 g6 18.Nc4 Nxc4 19.Bxc4 Bb7 20.Rg1 Rac8 21.Rc1 f4 
22.h4 g5 23.h5 Rhd8 24.Kd2 Ne7 25.a4 Nc6 26.d5 Na5 27.Ba2 Bxd5 28.Rxc8 
Rxc8 29.Bxd5 exd5 30.e6+ Kxe6 31.Re1+ Kf7 32.Kd3 Nc4 33.Bc3 Rc6 34.Kd4 Re6
35.Rc1 Re5 36.Bb4 Ke6 37.Bf8 Re4+ 38.Kc3 Nd6 39.Kd3 Rc4 40.Rxc4 dxc4+ 41.
Kd4 Nf7 42.Kxc4 Ne5+ 43.Kb5 Nxg4 44.Ka6 Nxf2 45.Bxh6 Ne4 46.Bg7 f3 47.h6 
Kf7 48.Bd4 Kg6 49.Kxa7 Nc5 0-1

[Event "18th Pan-American U20"]
[Site "Rancagua CHI"]
[Date "1993.08.??"]
[Round "6"]
[White "Renteria, Jorge"]
[Black "Sosa Macho, Juan Manuel"]
[Result "1/2-1/2"]
[ECO "B30"]
[EventDate "1993.??.??"]
[PlyCount "59"]

1.e4 c5 2.Nf3 Nc6 3.Bb5 e6 4.O-O Nge7 5.Re1 a6 6.Bf1 Ng6 7.d4 cxd4 8.Nxd4 
Be7 9.Nxc6 dxc6 10.c4 Qc7 11.Nc3 O-O 12.g3 Bc5 13.Na4 Rd8 14.Qb3 Bd4 15.c5
e5 16.Bg5 Re8 17.Nb6 Rb8 18.Be3 Bxe3 19.Qxe3 Be6 20.Nc4 Bxc4 21.Bxc4 Rbd8 
22.Rad1 Rxd1 23.Rxd1 Rd8 24.Rd3 Rxd3 25.Qxd3 Nf8 26.b4 a5 27.a3 axb4 28.
axb4 Qe7 29.Qa3 h6 30.Qa2 1/2-1/2

[Event "18th Pan-American U20"]
[Site "Rancagua CHI"]
[Date "1993.08.??"]
[Round "6"]
[White "Rojas, Luis"]
[Black "Barria, Daniel"]
[Result "1-0"]
[ECO "C50"]
[EventDate "1993.??.??"]
[PlyCount "124"]

1.e4 e5 2.Nf3 d6 3.Bc4 Nc6 4.c3 Be7 5.Qb3 Nh6 6.d3 Na5 7.Qa4+ c6 8.Bxh6 
Nxc4 9.dxc4 gxh6 10.Nbd2 f6 11.Nf1 Qb6 12.Qc2 Be6 13.Ne3 O-O-O 14.Nh4 Rhe8
15.Nhf5 Bf8 16.O-O d5 17.cxd5 cxd5 18.exd5 Bxd5 19.Nxd5 Rxd5 20.Rfd1 Red8 
21.Rxd5 Rxd5 22.Ne3 Rd8 23.Qxh7 Bc5 24.Ng4 Qe6 25.h3 f5 26.Nxh6 Rf8 27.g4 
Bxf2+ 28.Kxf2 fxg4+ 29.Kg3 Rf3+ 30.Kg2 Qc6 31.Re1 Rf7+ 32.Qe4 Qxh6 33.Qc4+
Rc7 34.Qg8+ Kd7 35.Rd1+ Kc6 36.Qc4+ Kb6 37.Qb4+ Kc6 38.hxg4 Rh7 39.Qc4+ 
Kb6 40.Qb4+ Kc6 41.Qa4+ Kb6 42.Qb3+ Kc7 43.Qc4+ Kb6 44.Qb4+ Kc6 45.Qe4+ 
Kb6 46.Qf3 Qh2+ 47.Kf1 Qxb2 48.Qe3+ Ka6 49.Rd6+ b6 50.Qe2+ Qxe2+ 51.Kxe2 
Rh2+ 52.Kf3 Rh3+ 53.Ke4 Rxc3 54.g5 Rg3 55.g6 Rg5 56.Re6 Rg2 57.Kf5 Rxa2 
58.g7 Rf2+ 59.Kg6 Rg2+ 60.Kf7 Rxg7+ 61.Kxg7 Ka5 62.Kf6 b5 1-0

[Event "18th Pan-American U20"]
[Site "Rancagua CHI"]
[Date "1993.08.??"]
[Round "6"]
[White "Vescovi, Giovanni"]
[Black "Mera, Angel"]
[Result "1-0"]
[ECO "B35"]
[EventDate "1993.??.??"]
[PlyCount "49"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.Be3 Bg7 6.Nc3 Nf6 7.Bc4 O-O 8.Bb3 
Qa5 9.f3 b6 10.Qd2 Ba6 11.g4 Rac8 12.O-O-O Ne5 13.h4 Bc4 14.Kb1 Qa6 15.Bh6
b5 16.Rdg1 b4 17.Na4 Bxb3 18.axb3 Nc4 19.bxc4 Qxa4 20.Nf5 Rc5 21.b3 Qa3 
22.Nxe7+ Kh8 23.Bxg7+ Kxg7 24.g5 Nh5 25.Qd4+ 1-0

[Event "18th Pan-American U20"]
[Site "Rancagua CHI"]
[Date "1993.08.??"]
[Round "7"]
[White "Barria, Daniel"]
[Black "Vescovi, Giovanni"]
[Result "1-0"]
[ECO "A25"]
[EventDate "1993.??.??"]
[PlyCount "81"]

1.c4 e5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 f5 6.d3 Nf6 7.O-O O-O 8.Rb1 d6 
9.b4 Kh8 10.b5 Ne7 11.a4 h6 12.a5 a6 13.b6 c6 14.Bb2 Nd7 15.Qa4 g5 16.Qa3 
Rf6 17.Na4 Ng6 18.Bc3 Qe8 19.h3 Kh7 20.Nd2 Ndf8 21.d4 h5 22.c5 Rf7 23.cxd6
exd4 24.Ba1 Qxe2 25.Nf3 Bf6 26.Rfe1 Qc4 27.Rbc1 Qb5 28.Rc5 g4 29.Rxb5 axb5
30.Nc5 gxf3 31.Bxf3 h4 32.Nb3 Ne5 33.Nxd4 Nc4 34.Qd3 Rxa5 35.Nb3 Ra3 36.
Bxf6 Rxf6 37.Re7+ Kg6 38.Bh5+ Kxh5 39.Qf3+ Kg6 40.gxh4 f4 41.Qg2+ 1-0

[Event "18th Pan-American U20"]
[Site "Rancagua CHI"]
[Date "1993.08.??"]
[Round "7"]
[White "Mera, Angel"]
[Black "Playa, Marcelo"]
[Result "1/2-1/2"]
[ECO "E11"]
[EventDate "1993.??.??"]
[PlyCount "116"]

1.d4 e6 2.c4 Nf6 3.Nf3 Bb4+ 4.Bd2 Qe7 5.a3 Bxd2+ 6.Qxd2 d5 7.Nc3 O-O 8.
cxd5 exd5 9.e3 c6 10.Bd3 Nbd7 11.O-O Re8 12.Rae1 Ne4 13.Qc2 b6 14.Nd2 Ndf6
15.f3 Nxd2 16.Qxd2 Qd6 17.Qf2 Be6 18.Qh4 c5 19.Kh1 Rad8 20.g4 h6 21.g5 
hxg5 22.Qxg5 Nh7 23.Qh5 g6 24.Rg1 Kh8 25.Qh6 cxd4 26.exd4 Bd7 27.Ne2 Qf6 
28.Nf4 Rxe1 29.Rxe1 Qg5 30.Qxg5 Nxg5 31.Kg2 Kg7 32.h4 Ne6 33.Nxd5 Bc6 34.
Nb4 Nxd4 35.Nxc6 Nxc6 36.Be4 Rd2+ 37.Kg3 Nd4 38.b4 f5 39.Bb7 Kf6 40.a4 Ne6
41.Bc8 Nd4 42.a5 bxa5 43.bxa5 Ne2+ 44.Kf2 Nc3+ 45.Kg3 Rd8 46.Bb7 Nb5 47.
Rc1 Nd4 48.Rc7 Ne6 49.Rc6 Ke5 50.Ra6 Rd2 51.f4+ Nxf4 52.Rxa7 Ne2+ 53.Kf2 
Nd4+ 54.Ke1 Ra2 55.Ra8 f4 56.a6 f3 57.Rf8 Nf5 58.Bxf3 Rxa6 1/2-1/2

[Event "18th Pan-American U20"]
[Site "Rancagua CHI"]
[Date "1993.08.??"]
[Round "7"]
[White "Sepulveda, Job"]
[Black "Egger, Jorge"]
[Result "1/2-1/2"]
[ECO "A97"]
[EventDate "1993.??.??"]
[PlyCount "65"]

1.d4 f5 2.Nf3 Nf6 3.g3 e6 4.Bg2 Be7 5.O-O O-O 6.c4 d6 7.Nc3 Qe8 8.Re1 Qg6 
9.Bg5 Nc6 10.Bxf6 Bxf6 11.e4 e5 12.dxe5 Nxe5 13.Nxe5 Bxe5 14.Nd5 Kh8 15.
Nxc7 Rb8 16.exf5 Bxf5 17.Qd2 Rbc8 18.Nd5 Rxc4 19.Ne7 Qf6 20.Nxf5 Qxf5 21.
Rac1 Rxc1 22.Rxc1 Qf6 23.Bxb7 Bd4 24.Rc8 Bxf2+ 25.Kg2 Rxc8 26.Bxc8 Bd4 27.
b3 g5 28.Bg4 Bc5 29.Qe2 Kg7 30.Bf3 Kf8 31.Bh5 Kg7 32.Bf3 Kf8 33.Bh5 
1/2-1/2

[Event "18th Pan-American U20"]
[Site "Rancagua CHI"]
[Date "1993.08.??"]
[Round "7"]
[White "Silva, Sebastian"]
[Black "Langier, Daniel"]
[Result "1/2-1/2"]
[ECO "A99"]
[EventDate "1993.??.??"]
[PlyCount "83"]

1.d4 f5 2.g3 Nf6 3.Bg2 e6 4.Nf3 Be7 5.O-O O-O 6.c4 d6 7.b3 Qe8 8.Bb2 a5 9.
Nc3 Qh5 10.Re1 Nc6 11.d5 Nd8 12.dxe6 Nxe6 13.e4 fxe4 14.Nxe4 Nxe4 15.Rxe4 
Bf6 16.Bxf6 Rxf6 17.Nd4 Qxd1+ 18.Rxd1 Nxd4 19.Rexd4 a4 20.b4 Be6 21.a3 c5 
22.Rxd6 cxb4 23.Bxb7 Rb8 24.Rxe6 Rxb7 25.Rxf6 gxf6 26.axb4 Rxb4 27.c5 Rc4 
28.Rd8+ Kg7 29.Rd7+ Kg6 30.Ra7 Rxc5 31.Rxa4 h5 32.Kg2 Rc2 33.h4 Rb2 34.Kf3
Rb3+ 35.Kf4 Rb2 36.f3 Rb1 37.g4 hxg4 38.fxg4 Rf1+ 39.Kg3 Rg1+ 40.Kh2 Rb1 
41.Ra6 Rb2+ 42.Kg3 1/2-1/2

[Event "18th Pan-American U20"]
[Site "Rancagua CHI"]
[Date "1993.08.??"]
[Round "7"]
[White "Sosa Macho, Juan Manuel"]
[Black "Rojas, Luis"]
[Result "1/2-1/2"]
[ECO "A52"]
[EventDate "1993.??.??"]
[PlyCount "97"]

1.d4 Nf6 2.c4 e5 3.dxe5 Ng4 4.Bf4 Nc6 5.Nf3 Bb4+ 6.Nbd2 Qe7 7.e3 Ngxe5 8.
Nxe5 Nxe5 9.Be2 g5 10.Bg3 h5 11.h4 g4 12.a3 Bxd2+ 13.Qxd2 d6 14.Rc1 Bd7 
15.c5 Bc6 16.cxd6 cxd6 17.O-O O-O 18.Qd4 a6 19.Rfd1 Rad8 20.Qf4 Qe6 21.Rd4
Qg6 22.Rcd1 Rfe8 23.Qg5 Qxg5 24.hxg5 Re6 25.R1d2 Kh7 26.Bd1 Kg6 27.Bb3 Re7
28.Rxd6+ Rxd6 29.Rxd6+ Kxg5 30.Bc2 Ng6 31.Bxg6 fxg6 32.Rd4 h4 33.Bd6 Re6 
34.Bf4+ Kf5 35.Bc7 g5 36.Rd8 h3 37.gxh3 gxh3 38.Rf8+ Rf6 39.Rxf6+ Kxf6 40.
Kh2 g4 41.Bb6 Kf5 42.Bc7 Ke4 43.Bd6 Kf3 44.Kg1 Ke2 45.Be5 b5 46.Bc7 Kf3 
47.Be5 a5 48.Bc7 a4 49.Bd6 1/2-1/2

[Event "18th Pan-American U20"]
[Site "Rancagua CHI"]
[Date "1993.08.??"]
[Round "7"]
[White "Steinhoff, Igor"]
[Black "Renteria, Jorge"]
[Result "1/2-1/2"]
[ECO "D25"]
[EventDate "1993.??.??"]
[PlyCount "145"]

1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 g6 5.Bxc4 Bg7 6.Nc3 O-O 7.O-O Nfd7 8.e4 
Nb6 9.Be2 Bg4 10.Be3 e6 11.e5 Nc6 12.b3 f6 13.exf6 Qxf6 14.Ne4 Qf5 15.Nc5 
e5 16.dxe5 Rad8 17.Qe1 Nxe5 18.Nxe5 Bxe5 19.Bxg4 Qxg4 20.h3 Qh4 21.Rd1 
Rde8 22.Qd2 Qh5 23.a4 c6 24.Nxb7 Nd5 25.Bd4 Nf4 26.Bxe5 Rxe5 27.Kh2 Rg5 
28.f3 Rxg2+ 29.Qxg2 Nxg2 30.Kxg2 Rf5 31.Rd8+ Kg7 32.Rd7+ Kh6 33.Nd6 Qg5+ 
34.Kh1 Qg3 35.Nxf5+ gxf5 36.Rfd1 Qxh3+ 37.Kg1 Qg3+ 38.Kh1 Qxf3+ 39.Kg1 
Qg4+ 40.Kh2 Qf4+ 41.Kg1 Qg4+ 42.Kh2 Qe2+ 43.Kg3 Kg5 44.Rg7+ Kf6 45.Rdd7 
Qe3+ 46.Kg2 Qe4+ 47.Kf2 Qc2+ 48.Kf1 Ke5 49.Rxh7 Kf4 50.Rxa7 Qd1+ 51.Kf2 
Qc2+ 52.Kf1 Qd3+ 53.Kf2 Qf3+ 54.Ke1 Qe3+ 55.Kf1 Qg3 56.Rad7 Qxb3 57.Rh4+ 
Ke5 58.Re7+ Kd6 59.Reh7 Qf3+ 60.Kg1 Qg3+ 61.Kf1 c5 62.Ke2 Ke5 63.Rc4 Qg2+ 
64.Kd3 Qf3+ 65.Kd2 Qf2+ 66.Kd3 Qf1+ 67.Kc3 Qc1+ 68.Kd3 Qa3+ 69.Kc2 Qa2+ 
70.Kc3 Qa3+ 71.Kc2 Kd5 72.Rhh4 Qa2+ 73.Kc3 1/2-1/2

[Event "18th Pan-American U20"]
[Site "Rancagua CHI"]
[Date "1993.08.??"]
[Round "7"]
[White "Torres, Jose Arturo"]
[Black "Escandon, Federico"]
[Result "1/2-1/2"]
[ECO "B23"]
[EventDate "1993.??.??"]
[PlyCount "92"]

1.e4 c5 2.Nc3 Nc6 3.f4 g6 4.Nf3 Bg7 5.Bc4 e6 6.O-O Nge7 7.d3 O-O 8.Qe1 Nd4
9.Nxd4 cxd4 10.Ne2 d5 11.Bb3 dxe4 12.dxe4 b5 13.Qf2 Qb6 14.Rd1 Nc6 15.e5 
Rd8 16.c3 d3 17.Ng3 Qxf2+ 18.Kxf2 Bb7 19.Ne4 Bf8 20.Be3 Na5 21.Nc5 Bxc5 
22.Bxc5 Nc4 23.Bxc4 bxc4 24.g4 Bd5 25.Rd2 Rd7 26.Ke3 Rb8 27.h4 Rb5 28.Ba3 
Ba8 29.g5 Bd5 30.Rf1 Rdb7 31.Rff2 Rd7 32.Rh2 Rdb7 33.h5 Rd7 34.Rh4 Rdb7 
35.Rhh2 Rd7 36.Rh3 Rdb7 37.Rh4 Rd7 38.Rhh2 Rdb7 39.Rhf2 Rd7 40.Rh2 Rdb7 
41.Rh4 Rd7 42.Rh3 Rdb7 43.Rhh2 Rd7 44.Rh4 Rdb7 45.Rh3 Rd7 46.Rhh2 Rdb7 
1/2-1/2

[Event "18th Pan-American U20"]
[Site "Rancagua CHI"]
[Date "1993.08.??"]
[Round "8"]
[White "Egger, Jorge"]
[Black "Renteria, Jorge"]
[Result "1-0"]
[ECO "B99"]
[EventDate "1993.??.??"]
[PlyCount "81"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 Be7 8.Qf3 Qc7
9.O-O-O Nbd7 10.g4 b5 11.Bxf6 Nxf6 12.g5 Nd7 13.f5 Nc5 14.h4 b4 15.Nb1 e5 
16.Nb3 Bb7 17.Nxc5 Qxc5 18.Nd2 Rc8 19.Bc4 a5 20.Kb1 a4 21.f6 gxf6 22.gxf6 
Bf8 23.Bxf7+ Kd8 24.Nc4 Kc7 25.Ne3 Kb8 26.Be6 Bh6 27.Nc4 Rce8 28.Bf7 Rd8 
29.b3 axb3 30.cxb3 Bf4 31.Bd5 Bc8 32.Qh5 Rd7 33.Rhg1 Rf8 34.f7 Kc7 35.Rg8 
Rdd8 36.Rxf8 Rxf8 37.Qe2 h5 38.Qxh5 Qf2 39.Qg6 Qc5 40.Qg7 Bg4 41.Qxf8 1-0

[Event "18th Pan-American U20"]
[Site "Rancagua CHI"]
[Date "1993.08.??"]
[Round "8"]
[White "Escandon, Federico"]
[Black "Mera, Angel"]
[Result "1-0"]
[ECO "B70"]
[EventDate "1993.??.??"]
[PlyCount "79"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be2 Bg7 7.O-O O-O 8.Bg5 
h6 9.Bh4 a6 10.f4 b5 11.Bf3 e5 12.Nb3 Nc6 13.Kh1 Bb7 14.fxe5 Nxe5 15.Qe2 
b4 16.Nd5 g5 17.Bg3 Nxd5 18.exd5 Nxf3 19.Qxf3 Bxb2 20.Rad1 Qb6 21.Bf2 Qb5 
22.Bd4 Bxd4 23.Nxd4 Qxd5 24.Qh3 f5 25.Nf3 Qe6 26.Nd4 Qd5 27.Nf3 Qe6 28.Nd4
g4 29.Qh5 Qf7 30.Qxh6 f4 31.Qg5+ Kh8 32.Nc6 f3 33.gxf3 Bxc6 34.Rxd6 Bxf3+ 
35.Kg1 Qa7+ 36.Rf2 Be4 37.Qe5+ Kg8 38.Qe6+ Rf7 39.Qxg4+ Kf8 40.Rd2 1-0

[Event "18th Pan-American U20"]
[Site "Rancagua CHI"]
[Date "1993.08.??"]
[Round "8"]
[White "Langier, Daniel"]
[Black "Torres, Jose Arturo"]
[Result "1/2-1/2"]
[ECO "C09"]
[EventDate "1993.??.??"]
[PlyCount "126"]

1.e4 e6 2.d4 d5 3.Nd2 c5 4.Ngf3 Nc6 5.exd5 exd5 6.Bb5 Bd6 7.O-O Ne7 8.dxc5
Bxc5 9.Nb3 Bd6 10.Bxc6+ bxc6 11.Qd4 O-O 12.Bf4 Bxf4 13.Qxf4 Ng6 14.Qd4 Qb6
15.Qc5 Ba6 16.Rfe1 Bc4 17.Nfd4 Bxb3 18.Nxb3 Rab8 19.Rab1 Rfe8 20.Qxb6 axb6
21.Nd4 c5 22.Nb5 Kf8 23.c3 Nf4 24.g3 Rxe1+ 25.Rxe1 Ne6 26.f4 g6 27.Rd1 Rd8
28.Kf2 f5 29.Re1 Kf7 30.Re5 Kf6 31.Re2 Rd7 32.Rd2 Rd8 33.Ke3 h6 34.b3 Rd7 
35.a4 Rd8 36.b4 Ra8 37.Rxd5 Rxa4 38.bxc5 bxc5 39.Rd7 Ra2 40.Nd6 g5 41.Ne8+
Kg6 42.Re7 gxf4+ 43.gxf4 Ra6 44.Nc7 Nxc7 45.Rxc7 Ra5 46.Rc6+ Kg7 47.Kf3 
Rb5 48.Kg3 Ra5 49.h3 Kf7 50.Rxh6 Ra3 51.Kh4 Rxc3 52.Kg5 Kg7 53.Rc6 Rxh3 
54.Rc7+ Kf8 55.Kxf5 Rh6 56.Kg5 Re6 57.Rxc5 Ra6 58.Re5 Kf7 59.Rf5+ Kg7 60.
Rb5 Kf7 61.Rb7+ Kf8 62.f5 Rc6 63.f6 Rc1 1/2-1/2

[Event "18th Pan-American U20"]
[Site "Rancagua CHI"]
[Date "1993.08.??"]
[Round "8"]
[White "Playa, Marcelo"]
[Black "Barria, Daniel"]
[Result "1-0"]
[ECO "C41"]
[EventDate "1993.??.??"]
[PlyCount "43"]

1.e4 e5 2.Nf3 d6 3.d4 exd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.Qd2 O-O 8.O-O-O
Nc6 9.f3 Nxd4 10.Bxd4 Be6 11.g4 a6 12.h4 c5 13.Be3 Qa5 14.Bh6 Rad8 15.Bxg7
Kxg7 16.h5 b5 17.hxg6 fxg6 18.Qh6+ Kf7 19.g5 Nh5 20.Qxh7+ Ng7 21.Rh6 Qc7 
22.Rxg6 1-0

[Event "18th Pan-American U20"]
[Site "Rancagua CHI"]
[Date "1993.08.??"]
[Round "8"]
[White "Rojas, Luis"]
[Black "Steinhoff, Igor"]
[Result "1-0"]
[ECO "B70"]
[EventDate "1993.??.??"]
[PlyCount "67"]

1.e4 c5 2.Nf3 g6 3.d4 cxd4 4.Nxd4 Nc6 5.Be2 Bg7 6.Nb3 Nf6 7.Nc3 O-O 8.O-O 
d6 9.Bg5 a6 10.f4 b5 11.Bf3 b4 12.Na4 Qc7 13.Kh1 Rb8 14.c4 Na5 15.c5 Rd8 
16.cxd6 Rxd6 17.Qe2 Nxb3 18.axb3 Rc6 19.e5 Rc2 20.Qd1 Bf5 21.exf6 exf6 22.
Bh4 Rd8 23.Qe1 Bd3 24.Rf2 Qxf4 25.Bg3 Qd4 26.Rd1 Rcc8 27.Bb7 Re8 28.Bxc8 
Rxe1+ 29.Rxe1 Bb5 30.Rc2 h5 31.Nc5 Bf8 32.Bf2 Qd5 33.Bb7 Bc6 34.Ne4 1-0

[Event "18th Pan-American U20"]
[Site "Rancagua CHI"]
[Date "1993.08.??"]
[Round "8"]
[White "Sepulveda, Job"]
[Black "Silva, Sebastian"]
[Result "1/2-1/2"]
[ECO "E20"]
[EventDate "1993.??.??"]
[PlyCount "86"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.f3 c5 5.a3 cxd4 6.axb4 dxc3 7.bxc3 O-O 8.Bg5 
d5 9.e3 b6 10.cxd5 Qxd5 11.Bxf6 Qxd1+ 12.Rxd1 gxf6 13.Bd3 Bb7 14.Ne2 Nc6 
15.O-O Ne5 16.Rd2 Rfc8 17.b5 Rc5 18.c4 Rac8 19.h3 R8c7 20.Nf4 Kf8 21.Ra2 
Bc8 22.Rfa1 Nxd3 23.Nxd3 Rxc4 24.Rxa7 Bd7 25.Ra8+ Rc8 26.R8a6 Rb8 27.Rb1 
Rc3 28.Nf2 f5 29.Ra7 Be8 30.e4 Rc5 31.exf5 Rxf5 32.Ne4 Rxb5 33.Rxf7+ Bxf7 
34.Rxb5 Be8 35.Rb4 b5 36.Nf6 Ke7 37.Nxe8 Kxe8 38.Kf2 Kd7 39.Ke3 Kc6 40.Kd3
Kc5 41.Re4 b4 42.Kc2 Rg8 43.g4 Ra8 1/2-1/2

[Event "18th Pan-American U20"]
[Site "Rancagua CHI"]
[Date "1993.08.??"]
[Round "8"]
[White "Vescovi, Giovanni"]
[Black "Sosa Macho, Juan Manuel"]
[Result "1-0"]
[ECO "B30"]
[EventDate "1993.??.??"]
[PlyCount "71"]

1.e4 c5 2.Nc3 Nc6 3.Nf3 Nf6 4.g3 d5 5.exd5 Nxd5 6.Bg2 Nxc3 7.bxc3 g6 8.Qe2
Bg7 9.O-O O-O 10.Qb5 Qa5 11.a4 a6 12.Qxa5 Nxa5 13.Re1 Bf5 14.Ra2 Rfe8 15.
Ne5 Be6 16.Ra1 Rad8 17.d3 Bd5 18.c4 Bxg2 19.Kxg2 Rd6 20.Rb1 b6 21.Bf4 Kf8 
22.Nxf7 Kxf7 23.Bxd6 exd6 24.Rxe8 Kxe8 25.Rxb6 Kd7 26.Rxa6 Nc6 27.Ra8 Bc3 
28.h4 Kc7 29.Rf8 Nd4 30.Rf7+ Kb6 31.Rxh7 Nxc2 32.Kf3 Nd4+ 33.Ke4 Be1 34.
Rg7 Bxf2 35.Rxg6 Nc6 36.h5 1-0

[Event "18th Pan-American U20"]
[Site "Rancagua CHI"]
[Date "1993.08.??"]
[Round "9"]
[White "Barria, Daniel"]
[Black "Escandon, Federico"]
[Result "1/2-1/2"]
[ECO "B88"]
[EventDate "1993.??.??"]
[PlyCount "32"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bc4 e6 7.Bb3 Be7 8.O-O 
O-O 9.Kh1 Bd7 10.f4 Nxd4 11.Qxd4 b5 12.f5 a5 13.fxe6 fxe6 14.a4 b4 15.Nb5 
Nxe4 16.Bf4 Nc5 1/2-1/2

[Event "18th Pan-American U20"]
[Site "Rancagua CHI"]
[Date "1993.08.??"]
[Round "9"]
[White "Mera, Angel"]
[Black "Langier, Daniel"]
[Result "1/2-1/2"]
[ECO "A29"]
[EventDate "1993.??.??"]
[PlyCount "52"]

1.c4 e5 2.Nc3 Nf6 3.g3 d5 4.cxd5 Nxd5 5.Bg2 Be6 6.Nf3 Nc6 7.O-O Be7 8.d4 
exd4 9.Nxd4 Nxd4 10.Qxd4 Nxc3 11.Qxc3 O-O 12.Bxb7 Rb8 13.Bg2 Bf6 14.Qa5 
Bxb2 15.Bxb2 Rxb2 16.Qxa7 Rxe2 17.a4 Bd5 18.Rfd1 Qa8 19.Qxa8 Bxa8 20.a5 
Bxg2 21.Kxg2 Ra8 22.a6 Kf8 23.Rdb1 Re6 24.a7 Rb6 25.Rxb6 cxb6 26.Kf3 Ke7 
1/2-1/2

[Event "18th Pan-American U20"]
[Site "Rancagua CHI"]
[Date "1993.08.??"]
[Round "9"]
[White "Renteria, Jorge"]
[Black "Rojas, Luis"]
[Result "0-1"]
[ECO "B24"]
[EventDate "1993.??.??"]
[PlyCount "104"]

1.e4 c5 2.Nc3 Nc6 3.g3 d6 4.Bg2 Nf6 5.h3 e6 6.Nge2 d5 7.exd5 exd5 8.d4 Be7
9.O-O cxd4 10.Nxd4 O-O 11.Bf4 Qb6 12.Ndb5 d4 13.Nc7 dxc3 14.Nxa8 Qa5 15.
bxc3 g5 16.Bd2 Be6 17.Nc7 Qxc7 18.Bxg5 Qe5 19.Qc1 Qf5 20.g4 Qg6 21.Rb1 Nd5
22.Bxe7 Ncxe7 23.Rxb7 h5 24.f3 Qf6 25.Rb5 Ng6 26.Qh6 h4 27.f4 Ndxf4 28.Rh5
Qg7 29.Qxg7+ Kxg7 30.Ra5 Rc8 31.Ra4 Ne2+ 32.Kh2 Rxc3 33.Rf2 Nc1 34.Rxa7 
Nxa2 35.Re2 Bc4 36.Re4 Bd5 37.Re2 Nb4 38.Rf2 Be6 39.Re2 Nf4 40.Re4 Nxg2 
41.Rxe6 Nd5 42.Rd6 Rxc2 43.Rdd7 Nge3+ 44.Kg1 Rg2+ 45.Kh1 Rf2 46.Ra5 Nf4 
47.Ra3 Rf3 48.Rd2 Rxh3+ 49.Rh2 Rxh2+ 50.Kxh2 Nxg4+ 51.Kh1 Kg6 52.Kg1 Kg5 
0-1

[Event "18th Pan-American U20"]
[Site "Rancagua CHI"]
[Date "1993.08.??"]
[Round "9"]
[White "Silva, Sebastian"]
[Black "Egger, Jorge"]
[Result "1-0"]
[ECO "D00"]
[EventDate "1993.??.??"]
[PlyCount "159"]

1.d4 Nf6 2.Nf3 g6 3.Nc3 d5 4.Bf4 Bg7 5.e3 O-O 6.Be2 Bg4 7.h3 Bxf3 8.Bxf3 
c6 9.O-O Nbd7 10.Qd2 Re8 11.Rad1 Qb6 12.Na4 Qa6 13.b3 b5 14.Nc3 e5 15.Bh2 
Qb7 16.a4 a6 17.Ra1 Rad8 18.axb5 axb5 19.Rfe1 h5 20.Ra2 Ra8 21.Rea1 Rxa2 
22.Rxa2 b4 23.Nd1 c5 24.dxe5 Nxe5 25.Bxe5 Rxe5 26.Nb2 Ne4 27.Bxe4 Rxe4 28.
Nd3 Bc3 29.Qd1 Qc6 30.Nf4 d4 31.Kh1 dxe3 32.fxe3 Rxe3 33.Nd5 Re5 34.Nxc3 
bxc3 35.Ra1 Rd5 36.Qf3 Qd7 37.Qxc3 Kh7 38.Re1 Rd2 39.Qxc5 Qb7 40.Rg1 Qe4 
41.Qc7 Rxc2 42.Qxf7+ Kh6 43.Qg8 Re2 44.Qh8+ Kg5 45.Qc3 Kh6 46.b4 Qd5 47.
Qh8+ Kg5 48.Qf8 h4 49.Qc8 Qe4 50.b5 Re1 51.Qc5+ Kh6 52.b6 Rxg1+ 53.Qxg1 g5
54.Qc1 Kg6 55.Qc7 g4 56.Qd6+ Kh5 57.Qd1 Kh6 58.Qd6+ Kg7 59.Qd7+ Kh6 60.
Qd2+ Kg6 61.Qd6+ Kg7 62.Qc7+ Kg6 63.hxg4 h3 64.Qg3 hxg2+ 65.Qxg2 Qb1+ 66.
Qg1 Qe4+ 67.Kh2 Qf4+ 68.Kg2 Qe4+ 69.Kg3 Qd3+ 70.Kh4 Qd8+ 71.Kh3 Qh8+ 72.
Kg2 Qa8+ 73.Kf1 Qa1+ 74.Kf2 Qd4+ 75.Kg2 Qe4+ 76.Kg3 Qe5+ 77.Kh3 Qh8+ 78.
Kg2 Qa8+ 79.Kg3 Qb8+ 80.Kf3 1-0

[Event "18th Pan-American U20"]
[Site "Rancagua CHI"]
[Date "1993.08.??"]
[Round "9"]
[White "Sosa Macho, Juan Manuel"]
[Black "Playa, Marcelo"]
[Result "1-0"]
[ECO "E31"]
[EventDate "1993.??.??"]
[PlyCount "87"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Bg5 c5 5.d5 h6 6.Bh4 Bxc3+ 7.bxc3 d6 8.e3 e5 
9.Bd3 Qe7 10.Ne2 Nbd7 11.f4 e4 12.Bc2 g5 13.Bf2 Ng4 14.O-O f5 15.Ba4 Kd8 
16.Rb1 Ndf6 17.h3 Nxf2 18.Kxf2 Rg8 19.g3 Nh5 20.Ke1 Nxg3 21.Nxg3 gxf4 22.
Ne2 fxe3 23.Nf4 Qh4+ 24.Ke2 Qg3 25.Qc2 b6 26.Rbe1 Ba6 27.Bb5 Bxb5 28.cxb5 
a6 29.bxa6 Rxa6 30.Kd1 Ke7 31.Re2 Rga8 32.Qb3 Qg7 33.Rg2 Qxg2 34.Nxg2 Rxa2
35.Nxe3 R2a3 36.Nxf5+ Kf6 37.Nxd6+ Kg6 38.Qxb6 Ra1+ 39.Ke2 R8a2+ 40.Ke3 
Rxf1 41.Nxe4+ Kg7 42.Qc7+ Kg6 43.Qd6+ Kg7 44.Qe5+ 1-0

[Event "18th Pan-American U20"]
[Site "Rancagua CHI"]
[Date "1993.08.??"]
[Round "9"]
[White "Steinhoff, Igor"]
[Black "Vescovi, Giovanni"]
[Result "0-1"]
[ECO "E11"]
[EventDate "1993.??.??"]
[PlyCount "70"]

1.d4 Nf6 2.c4 e6 3.Nf3 Bb4+ 4.Bd2 Qe7 5.g3 O-O 6.Bg2 Bxd2+ 7.Qxd2 d6 8.O-O
e5 9.Nc3 Nc6 10.d5 Nb8 11.e4 a5 12.Ne1 Na6 13.Nd3 Nc5 14.f4 Nfd7 15.Nxc5 
Nxc5 16.f5 f6 17.h4 Bd7 18.Bf3 Rfb8 19.Be2 g6 20.g4 gxf5 21.gxf5 Kh8 22.
Kh2 Rg8 23.Rg1 Qf7 24.b3 Rad8 25.Qc2 Rg7 26.Qd2 Rdg8 27.Bf3 Qe8 28.Ne2 
Bxf5 29.exf5 e4 30.Rxg7 Rxg7 31.Nf4 exf3 32.Qc3 Qe5 33.Qxe5 fxe5 34.Nh3 
Rg2+ 35.Kh1 Ne4 0-1

[Event "18th Pan-American U20"]
[Site "Rancagua CHI"]
[Date "1993.08.??"]
[Round "9"]
[White "Torres, Jose Arturo"]
[Black "Sepulveda, Job"]
[Result "1/2-1/2"]
[ECO "C55"]
[EventDate "1993.??.??"]
[PlyCount "82"]

1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Bc4 Nf6 5.e5 d5 6.Bb5 Ne4 7.Nxd4 Bd7 8.Bxc6 
bxc6 9.O-O Bc5 10.c3 O-O 11.f3 Ng5 12.f4 Ne4 13.Nd2 Nxd2 14.Bxd2 f6 15.Re1
fxe5 16.fxe5 Qh4 17.Be3 Rae8 18.Nf3 Qe7 19.Bxc5 Qxc5+ 20.Qd4 Qb6 21.b4 Rf4
22.Qxb6 cxb6 23.Rad1 Rc4 24.Re3 Bg4 25.Rd4 Bxf3 26.gxf3 Kf7 27.Kf2 Ke6 28.
Rxc4 dxc4 29.Re4 Rd8 30.Rxc4 Rd2+ 31.Kg3 Rxa2 32.Rxc6+ Kxe5 33.h4 g6 34.
Rc7 h6 35.Rc6 Kf5 36.b5 Ra5 37.c4 Ra2 38.Rd6 Ra4 39.Rc6 Ra2 40.Rd6 Ra4 41.
Rc6 Ra2 1/2-1/2

[Event "18th Pan-American U20"]
[Site "Rancagua CHI"]
[Date "1993.08.??"]
[Round "10"]
[White "Egger, Jorge"]
[Black "Rojas, Luis"]
[Result "0-1"]
[ECO "C18"]
[EventDate "1993.??.??"]
[PlyCount "102"]

1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Bxc3+ 6.bxc3 Qc7 7.Nf3 b6 8.Bb5+ 
Bd7 9.Bd3 Ne7 10.O-O h6 11.a4 Nbc6 12.Be3 cxd4 13.Bxd4 Nxd4 14.cxd4 Nc6 
15.Qd2 O-O 16.Rfe1 Na5 17.Qf4 Nc4 18.Ra2 Rac8 19.Qg4 Na5 20.Qh5 Be8 21.Qh3
Qc3 22.g4 Nc6 23.Re3 Nxd4 24.Ne1 Qb4 25.g5 Nf5 26.Bxf5 exf5 27.gxh6 Qg4+ 
28.Qxg4 fxg4 29.hxg7 Kxg7 30.a5 Rc4 31.axb6 axb6 32.Ra6 b5 33.Rd6 Bc6 34.
c3 Ra8 35.Nc2 b4 36.Nd4 bxc3 37.Rg3 c2 38.Nxc2 Rxc2 39.Rxg4+ Kf8 40.Rd4 
Ra4 41.Rxa4 Bxa4 42.h4 Bb3 43.h5 Re2 44.f4 Re4 45.Rf6 d4 46.Kf2 d3 47.Rd6 
Rxf4+ 48.Ke3 Rf5 49.Rxd3 Rxe5+ 50.Kf4 Rb5 51.Rg3 Be6 0-1

[Event "18th Pan-American U20"]
[Site "Rancagua CHI"]
[Date "1993.08.??"]
[Round "10"]
[White "Escandon, Federico"]
[Black "Sosa Macho, Juan Manuel"]
[Result "0-1"]
[ECO "B33"]
[EventDate "1993.??.??"]
[PlyCount "88"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e5 6.Ndb5 d6 7.Bg5 a6 8.Na3 
b5 9.Nd5 Be7 10.Bxf6 Bxf6 11.c3 O-O 12.Nc2 Rb8 13.g3 Bg5 14.Bg2 a5 15.O-O 
Be6 16.a3 g6 17.Nce3 Bxe3 18.Nxe3 Ne7 19.Qd2 Qb6 20.b4 a4 21.Rac1 Rbc8 22.
Rfe1 Kg7 23.Bf1 Rfd8 24.c4 Nc6 25.Kg2 Nd4 26.Rc3 Qb7 27.Bd3 f5 28.Nd5 bxc4
29.Rxc4 Rxc4 30.Bxc4 fxe4 31.Qa2 Rc8 32.Re3 Rxc4 33.Qxc4 Bxd5 34.Qc1 Nf5 
35.Rc3 e3+ 36.Kg1 exf2+ 37.Kxf2 Qb6+ 38.Kf1 Qd4 39.Rc7+ Kf6 40.Rc3 Qe4 41.
h4 Qh1+ 42.Kf2 Qg2+ 43.Ke1 Qg1+ 44.Kd2 Qf2+ 0-1

[Event "18th Pan-American U20"]
[Site "Rancagua CHI"]
[Date "1993.08.??"]
[Round "10"]
[White "Langier, Daniel"]
[Black "Barria, Daniel"]
[Result "0-1"]
[ECO "B08"]
[EventDate "1993.??.??"]
[PlyCount "98"]

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Nf3 Bg7 5.Bc4 O-O 6.Bb3 Bg4 7.Be3 Nc6 8.Qd2 
Nd7 9.Ng5 Nb6 10.f3 Bd7 11.h4 Na5 12.Qe2 Nxb3 13.axb3 h6 14.Nh3 e5 15.dxe5
dxe5 16.h5 c6 17.Nf2 g5 18.Rd1 Qe7 19.Nd3 Rfd8 20.g4 f6 21.Kf2 Bf8 22.Ra1 
Be8 23.Ra5 Nc8 24.Rha1 b6 25.Ra6 Qb7 26.Kg2 Bf7 27.Nf2 Kg7 28.Nh1 Ne7 29.
Ng3 Be6 30.Nf1 Kf7 31.Nd2 c5 32.Nb5 Nc6 33.Nc4 Be7 34.c3 Kf8 35.Kg3 Kf7 
36.Bf2 Kf8 37.R1a4 Kf7 38.Qe1 Na5 39.Nxa5 Qxa6 40.Nc7 Qc8 41.Nxa8 Qxa8 42.
Qa1 bxa5 43.Rxa5 Rd7 44.c4 Rd3 45.Kg2 Bxg4 46.fxg4 Qxe4+ 47.Kf1 Qxg4 48.
Ke1 Rh3 49.Kd2 Qf4+ 0-1

[Event "18th Pan-American U20"]
[Site "Rancagua CHI"]
[Date "1993.08.??"]
[Round "10"]
[White "Playa, Marcelo"]
[Black "Steinhoff, Igor"]
[Result "1/2-1/2"]
[ECO "B78"]
[EventDate "1993.??.??"]
[PlyCount "91"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.Bc4 O-O 8.f3 
Nc6 9.Qd2 Bd7 10.O-O-O Rc8 11.Bb3 Ne5 12.h4 h5 13.g4 hxg4 14.h5 Nxh5 15.
Bh6 e6 16.Rdg1 Qf6 17.Bxg7 Qxg7 18.fxg4 Nf6 19.Rh4 g5 20.Rh3 Rxc3 21.Qxc3 
Nxe4 22.Qe3 d5 23.c3 Rc8 24.Bc2 Nc4 25.Qe2 Qe5 26.Rf1 b5 27.Bxe4 Qxe4 28.
Qxe4 dxe4 29.Rh5 Rc5 30.Re1 Nd6 31.Nb3 Rd5 32.Nd2 Kf8 33.Nxe4 Re5 34.Rd1 
Nxe4 35.Rxd7 Nf6 36.Rd8+ Kg7 37.Rhh8 Nxg4 38.Rdg8+ Kf6 39.Ra8 Nf2 40.Rxa7 
Kg7 41.Raa8 g4 42.b3 f5 43.a4 bxa4 44.bxa4 Rc5 45.a5 Rxa5 46.Rhg8+ 1/2-1/2

[Event "18th Pan-American U20"]
[Site "Rancagua CHI"]
[Date "1993.08.??"]
[Round "10"]
[White "Sepulveda, Job"]
[Black "Mera, Angel"]
[Result "1-0"]
[ECO "A41"]
[EventDate "1993.??.??"]
[PlyCount "79"]

1.d4 d6 2.Nf3 g6 3.Bf4 Bg7 4.e3 Nd7 5.h3 e5 6.Bh2 Nh6 7.Be2 O-O 8.c4 f5 9.
Nc3 c6 10.O-O Nf7 11.b4 h5 12.Rc1 g5 13.dxe5 dxe5 14.Nd2 g4 15.hxg4 hxg4 
16.e4 Nf6 17.exf5 Bh6 18.Ncb1 Bxf5 19.Rc3 Qe7 20.Qb3 Rad8 21.Rd1 Ng5 22.
c5+ Kg7 23.Nc4 Rxd1+ 24.Qxd1 Nge4 25.Ne3 Bg6 26.Rb3 Nxf2 27.Qe1 N6e4 28.
Nxg4 Qh4 29.Nxf2 Nxf2 30.Qc3 Nh3+ 31.Kh1 Nf2+ 32.Kg1 Bf4 33.Bxf4 Qh1+ 34.
Kxf2 Rxf4+ 35.Bf3 Qh4+ 36.Ke2 Rd4 37.Nd2 Bd3+ 38.Qxd3 Rxd3 39.Kxd3 Qd4+ 
40.Ke2 1-0

[Event "18th Pan-American U20"]
[Site "Rancagua CHI"]
[Date "1993.08.??"]
[Round "10"]
[White "Silva, Sebastian"]
[Black "Torres, Jose Arturo"]
[Result "1-0"]
[ECO "E14"]
[EventDate "1993.??.??"]
[PlyCount "73"]

1.d4 Nf6 2.Nf3 e6 3.c4 b6 4.e3 Bb4+ 5.Nbd2 Bb7 6.Bd3 O-O 7.O-O d5 8.a3 
Bxd2 9.Qxd2 Nbd7 10.b3 c5 11.Bb2 cxd4 12.exd4 dxc4 13.bxc4 Be4 14.Be2 Rc8 
15.Rac1 Qc7 16.Qe3 Qb7 17.Rfe1 Bg6 18.Nh4 Rfd8 19.g4 Nf8 20.f4 Be4 21.g5 
Ne8 22.Bg4 f5 23.gxf6 Nxf6 24.d5 Nxg4 25.Qxe4 exd5 26.Qg2 Nh6 27.f5 Qf7 
28.f6 Re8 29.fxg7 Ng6 30.Nxg6 Qxg6 31.Qxg6 hxg6 32.Rxe8+ Rxe8 33.cxd5 Nf5 
34.Rc7 a5 35.Rc6 b5 36.Rxg6 Kf7 37.Rf6+ 1-0

[Event "18th Pan-American U20"]
[Site "Rancagua CHI"]
[Date "1993.08.??"]
[Round "10"]
[White "Vescovi, Giovanni"]
[Black "Renteria, Jorge"]
[Result "1-0"]
[ECO "B53"]
[EventDate "1993.??.??"]
[PlyCount "83"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Qxd4 a6 5.Be3 Nd7 6.Nc3 Ngf6 7.O-O-O Qa5 8.h3
g6 9.Kb1 Bg7 10.Qd2 Qc7 11.g4 O-O 12.g5 Ne8 13.Nd5 Qd8 14.Bd4 Bxd4 15.Nxd4
Nc5 16.Bg2 e5 17.Ne2 Be6 18.h4 Bxd5 19.Qxd5 Qe7 20.f4 exf4 21.Nxf4 Rd8 22.
e5 Nc7 23.exd6 Nxd5 24.dxe7 Nxe7 25.Nd5 Nxd5 26.Rxd5 Rxd5 27.Bxd5 Rd8 28.
c4 Rd7 29.Kc2 Kg7 30.Rf1 a5 31.Rf6 h6 32.Rb6 hxg5 33.hxg5 Rc7 34.b3 Re7 
35.a3 Re2+ 36.Kc3 a4 37.b4 Nb3 38.Rxb7 Re3+ 39.Kc2 Na1+ 40.Kb2 Nb3 41.
Rxf7+ Kh8 42.Rf8+ 1-0

[Event "18th Pan-American U20"]
[Site "Rancagua CHI"]
[Date "1993.08.??"]
[Round "11"]
[White "Barria, Daniel"]
[Black "Sepulveda, Job"]
[Result "1/2-1/2"]
[ECO "C99"]
[EventDate "1993.??.??"]
[PlyCount "33"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 d6 8.c3 O-O 
9.h3 Na5 10.Bc2 c5 11.d4 Qc7 12.Nbd2 cxd4 13.cxd4 Bd7 14.Nf1 Rfc8 15.Re2 
Nc6 16.Bg5 Nb4 17.Bb3 1/2-1/2

[Event "18th Pan-American U20"]
[Site "Rancagua CHI"]
[Date "1993.08.??"]
[Round "11"]
[White "Mera, Angel"]
[Black "Silva, Sebastian"]
[Result "1-0"]
[ECO "A34"]
[EventDate "1993.??.??"]
[PlyCount "73"]

1.c4 c5 2.Nc3 g6 3.Nf3 Bg7 4.d4 cxd4 5.Nxd4 Nc6 6.e3 d6 7.Be2 Nf6 8.O-O 
O-O 9.b3 Bd7 10.Bb2 a6 11.Rc1 Rb8 12.a3 b5 13.Nd5 Nxd4 14.Bxd4 e5 15.Bc3 
Nxd5 16.cxd5 Rc8 17.Qd2 Qb6 18.Ba5 Qb8 19.Rxc8 Rxc8 20.e4 Qa7 21.h4 f5 22.
Qg5 fxe4 23.Bg4 Rf8 24.Qe7 Rf7 25.Qd8+ Bf8 26.Bb6 Qb7 27.Be6 Bxe6 28.dxe6 
Rg7 29.Rc1 Qe7 30.Qc8 Qb7 31.Be3 Qd5 32.Bh6 e3 33.fxe3 Qe4 34.Rc7 Qb1+ 35.
Kh2 Qf5 36.Rxg7+ Kh8 37.Rf7 1-0

[Event "18th Pan-American U20"]
[Site "Rancagua CHI"]
[Date "1993.08.??"]
[Round "11"]
[White "Renteria, Jorge"]
[Black "Playa, Marcelo"]
[Result "0-1"]
[ECO "C00"]
[EventDate "1993.??.??"]
[PlyCount "52"]

1.e4 e6 2.d3 d5 3.Nd2 Nf6 4.Ngf3 Bc5 5.Be2 O-O 6.O-O Bb6 7.c3 c5 8.Qc2 Nc6
9.Rd1 Bc7 10.Nf1 h6 11.a3 Qe7 12.b4 cxb4 13.cxb4 a6 14.Bb2 Bd7 15.e5 Nh7 
16.d4 Ng5 17.Nxg5 Qxg5 18.Rd3 Qe7 19.Rg3 f6 20.Qg6 Kh8 21.Bd3 f5 22.Rh3 
Bb6 23.Bc1 Qf7 24.Qg3 f4 25.Qg4 Bxd4 26.Bg6 Nxe5 0-1

[Event "18th Pan-American U20"]
[Site "Rancagua CHI"]
[Date "1993.08.??"]
[Round "11"]
[White "Rojas, Luis"]
[Black "Vescovi, Giovanni"]
[Result "0-1"]
[ECO "B28"]
[EventDate "1993.??.??"]
[PlyCount "106"]

1.e4 c5 2.Nf3 a6 3.c3 d5 4.exd5 Qxd5 5.d4 e6 6.Be3 cxd4 7.cxd4 Nf6 8.Nc3 
Qd8 9.Bd3 Be7 10.O-O O-O 11.Rc1 b5 12.a4 b4 13.Ne4 Bb7 14.Nc5 Bd5 15.Ne5 
Qb6 16.Bg5 g6 17.Qd2 Ra7 18.Bh6 Re8 19.Qf4 Nc6 20.Bg5 Nxe5 21.dxe5 Bxc5 
22.Bxf6 a5 23.Bb5 Rb8 24.Bc4 Bxc4 25.Rxc4 Rc7 26.b3 Rbc8 27.Qg5 Rc6 28.Qf4
Bf8 29.Rfc1 Qa6 30.Rxc6 Rxc6 31.Rd1 Qe2 32.Qd4 Rc5 33.Qa1 h6 34.Rd8 Rd5 
35.Rxd5 exd5 36.h3 Bc5 37.Qf1 Qc2 38.Kh2 Qxf2 39.Qxf2 Bxf2 40.Bd8 d4 41.
Bxa5 d3 42.Bxb4 Be3 43.a5 d2 44.Bxd2 Bxd2 45.a6 Bf4+ 46.g3 Be3 47.Kg2 Kf8 
48.Kf3 Ba7 49.g4 Ke7 50.Ke4 Ke6 51.h4 g5 52.hxg5 hxg5 53.b4 Bg1 0-1

[Event "18th Pan-American U20"]
[Site "Rancagua CHI"]
[Date "1993.08.??"]
[Round "11"]
[White "Sosa Macho, Juan Manuel"]
[Black "Langier, Daniel"]
[Result "1-0"]
[ECO "E97"]
[EventDate "1993.??.??"]
[PlyCount "63"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5 7.O-O Nc6 8.d5 Ne7 
9.Nd2 a5 10.a3 Nd7 11.Rb1 f5 12.b4 Kh8 13.Qc2 Ng8 14.exf5 gxf5 15.f4 Nh6 
16.Nf3 e4 17.Ng5 Nf6 18.Nd1 axb4 19.axb4 c6 20.Ne3 Nf7 21.Kh1 Nxg5 22.fxg5
Ng8 23.g3 Ne7 24.Bh5 b5 25.Bb2 bxc4 26.Bxg7+ Kxg7 27.Qxc4 Ba6 28.Qd4+ Kg8 
29.Rf2 Bb7 30.Rbf1 Ba6 31.Ng4 fxg4 32.Bf7+ 1-0

[Event "18th Pan-American U20"]
[Site "Rancagua CHI"]
[Date "1993.08.??"]
[Round "11"]
[White "Steinhoff, Igor"]
[Black "Escandon, Federico"]
[Result "1/2-1/2"]
[ECO "D36"]
[EventDate "1993.??.??"]
[PlyCount "84"]

1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 e6 5.cxd5 exd5 6.Qc2 g6 7.Bg5 Be7 8.e3 Bf5
9.Bd3 Bxd3 10.Qxd3 Nbd7 11.h3 O-O 12.O-O Re8 13.Rab1 a5 14.Bf4 Nf8 15.Qc2 
Ne6 16.Be5 Ng7 17.Nd2 Nf5 18.Na4 Bd6 19.Bxd6 Nxd6 20.Nc5 Qe7 21.a3 Kg7 22.
Rfc1 Rec8 23.Re1 Re8 24.Nf1 Nfe4 25.Nxe4 Qxe4 26.Qc5 Qe7 27.b3 Nb5 28.Qxe7
Rxe7 29.Ra1 Nd6 30.Nd2 a4 31.b4 Rae8 32.Rec1 Rc8 33.Rc5 b6 34.Rc2 b5 35.
Rc5 Nb7 36.Rc3 Nd6 37.Rac1 Nc4 38.Nf3 f6 39.Kf1 Rce8 40.Ke2 Kf7 41.Nd2 Ke6
42.Rb1 Kd6 1/2-1/2

[Event "18th Pan-American U20"]
[Site "Rancagua CHI"]
[Date "1993.08.??"]
[Round "11"]
[White "Torres, Jose Arturo"]
[Black "Egger, Jorge"]
[Result "1/2-1/2"]
[ECO "C55"]
[EventDate "1993.??.??"]
[PlyCount "110"]

1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Bc4 Nf6 5.e5 d5 6.Bb5 Ne4 7.Nxd4 Bc5 8.O-O 
O-O 9.Bxc6 bxc6 10.Be3 Qe8 11.Nd2 f5 12.Nxe4 fxe4 13.c3 Bb6 14.a4 a5 15.b4
Bd7 16.Qd2 Qxe5 17.Nb3 Bxe3 18.fxe3 axb4 19.Rxf8+ Rxf8 20.cxb4 Bc8 21.a5 
Ba6 22.Rc1 Qf6 23.h3 Bc8 24.Nd4 Qg5 25.a6 Bxh3 26.a7 Bxg2 27.Ne6 Qg4 28.
Qxg2 Qxe6 29.Ra1 Ra8 30.Qg3 Qd6 31.Qg4 d4 32.Rf1 dxe3 33.Qxe4 Qg6+ 34.Qxg6
hxg6 35.Ra1 Kf7 36.Kf1 Ke6 37.Ke2 Kd5 38.Kxe3 Kc4 39.Rc1+ Kxb4 40.Rxc6 
Rxa7 41.Rxg6 Kc5 42.Rxg7 Kd5 43.Kd2 Ra2+ 44.Kc1 c5 45.Rg4 c4 46.Rg5+ Kd4 
47.Rg4+ Kc3 48.Rg3+ Kb4 49.Rh3 Rg2 50.Rf3 Rg5 51.Rh3 Rd5 52.Rg3 c3 53.Rg8 
Kc4 54.Kc2 Rd2+ 55.Kc1 Rd5 1/2-1/2

[Event "18th Pan-American U20"]
[Site "Rancagua CHI"]
[Date "1993.08.??"]
[Round "12"]
[White "Egger, Jorge"]
[Black "Vescovi, Giovanni"]
[Result "1-0"]
[ECO "B78"]
[EventDate "1993.??.??"]
[PlyCount "73"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.f3 Nc6 8.Qd2 
O-O 9.Bc4 Bd7 10.h4 h5 11.O-O-O Ne5 12.Bb3 Rc8 13.Bh6 a5 14.Bxg7 Kxg7 15.
a4 Qb6 16.Rhe1 Nc4 17.Qe2 Qb4 18.Ndb5 Bxb5 19.Nxb5 Nb6 20.Kb1 Qc5 21.Rd4 
Nbd7 22.f4 Nb8 23.e5 dxe5 24.fxe5 Ng4 25.e6 f5 26.Rd5 Qb4 27.Rd4 Qc5 28.
Rd5 Qb4 29.Nd4 Rcd8 30.c3 Qb6 31.Qb5 Qc7 32.Qxa5 b6 33.Qb4 Na6 34.Rd7 Qxd7
35.exd7 Nxb4 36.Ne6+ Kh6 37.cxb4 1-0

[Event "18th Pan-American U20"]
[Site "Rancagua CHI"]
[Date "1993.08.??"]
[Round "12"]
[White "Escandon, Federico"]
[Black "Renteria, Jorge"]
[Result "1-0"]
[ECO "B87"]
[EventDate "1993.??.??"]
[PlyCount "103"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bc4 e6 7.Bb3 b5 8.O-O Be7
9.a3 O-O 10.Be3 Bb7 11.Qf3 Nbd7 12.Bxe6 fxe6 13.Nxe6 Qc8 14.Nxf8 Bxf8 15.
Bd4 Qc4 16.Rad1 Re8 17.Rfe1 Qe6 18.Qg3 Qc4 19.f3 Qf7 20.Qf2 Nh5 21.Ne2 Nf4
22.Nxf4 Qxf4 23.Be3 Qf7 24.Bd4 Ne5 25.Kh1 Ng6 26.Qg3 Nf4 27.Be3 Nh5 28.Qf2
Re6 29.Rd2 Rg6 30.Qh4 Re6 31.Qf2 h6 32.Red1 Nf4 33.Qg3 Ng6 34.Bg1 Ne5 35.
b3 Rg6 36.Qf2 Kh7 37.Qf1 Rf6 38.Qe2 g5 39.Bd4 Re6 40.Bb2 Qf4 41.c4 bxc4 
42.bxc4 g4 43.Bxe5 Rxe5 44.fxg4 Qxe4 45.Qf2 Bg7 46.h3 Qxc4 47.Rxd6 Qe2 48.
R6d2 Qe4 49.Rd7 Bc6 50.Rxg7+ Kxg7 51.Rf1 Qg6 52.Qf8+ 1-0

[Event "18th Pan-American U20"]
[Site "Rancagua CHI"]
[Date "1993.08.??"]
[Round "12"]
[White "Langier, Daniel"]
[Black "Steinhoff, Igor"]
[Result "0-1"]
[ECO "B70"]
[EventDate "1993.??.??"]
[PlyCount "42"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be2 Bg7 7.O-O O-O 8.Nb3 
Nc6 9.Re1 Be6 10.Bf1 d5 11.Nc5 Bg4 12.f3 d4 13.Nb5 Bc8 14.e5 Nd7 15.Nxd7 
Qxd7 16.Bf4 a6 17.e6 fxe6 18.Bc4 axb5 19.Bxe6+ Qxe6 20.Rxe6 Bxe6 21.Qd2 
Bxa2 0-1

[Event "18th Pan-American U20"]
[Site "Rancagua CHI"]
[Date "1993.08.??"]
[Round "12"]
[White "Playa, Marcelo"]
[Black "Rojas, Luis"]
[Result "1-0"]
[ECO "C18"]
[EventDate "1993.??.??"]
[PlyCount "67"]

1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Bxc3+ 6.bxc3 Qc7 7.Qg4 f6 8.Nf3 
cxd4 9.cxd4 fxe5 10.Qh5+ g6 11.Qxe5 Qxe5+ 12.Nxe5 Ne7 13.h4 Nd7 14.Nxd7 
Bxd7 15.h5 Kf7 16.Rb1 b6 17.Bf4 Nc6 18.Bb5 Ke7 19.Bxc6 Bxc6 20.Be5 Rhf8 
21.hxg6 hxg6 22.Rb3 Rf7 23.Rc3 Kd7 24.f4 Rg8 25.Rg3 Ke7 26.Rh6 Be8 27.Rc3 
Kd8 28.Kf2 Ba4 29.Kg3 Be8 30.Kh4 Ba4 31.g4 Bb5 32.Kg5 Be2 33.Re3 Bd1 34.
Rh2 1-0

[Event "18th Pan-American U20"]
[Site "Rancagua CHI"]
[Date "1993.08.??"]
[Round "12"]
[White "Sepulveda, Job"]
[Black "Sosa Macho, Juan Manuel"]
[Result "0-1"]
[ECO "E86"]
[EventDate "1993.??.??"]
[PlyCount "54"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Be3 e5 7.Nge2 c6 8.Qd2 a6 9.
O-O-O Nbd7 10.g4 b5 11.Ng3 Qa5 12.Kb1 exd4 13.Bxd4 Ne5 14.Bxe5 dxe5 15.g5 
Nd7 16.h4 Nc5 17.h5 b4 18.Nce2 Be6 19.Nc1 Rfd8 20.Qe2 Rxd1 21.Qxd1 Rd8 22.
Qc2 Rd4 23.hxg6 hxg6 24.Qh2 Kf8 25.Qh7 b3 26.axb3 Qe1 27.Ne2 Rd1 0-1

[Event "18th Pan-American U20"]
[Site "Rancagua CHI"]
[Date "1993.08.??"]
[Round "12"]
[White "Silva, Sebastian"]
[Black "Barria, Daniel"]
[Result "1-0"]
[ECO "B34"]
[EventDate "1993.??.??"]
[PlyCount "78"]

1.d4 Nf6 2.Nf3 g6 3.Nc3 c5 4.e4 cxd4 5.Nxd4 Nc6 6.Nxc6 bxc6 7.e5 Ng8 8.Bc4
d5 9.exd6 Qxd6 10.Qf3 Nf6 11.Bf4 Qc5 12.Bb5 Bd7 13.O-O-O Qb6 14.Be5 O-O-O 
15.Rxd7 Bh6+ 16.Kb1 Nxd7 17.Bxh8 Rxh8 18.Bxc6 Ne5 19.Qh3+ Kb8 20.Qxh6 Qxc6
21.Qf4 f6 22.Qb4+ Qb7 23.Qxb7+ Kxb7 24.f4 Nc6 25.Rd1 Kc8 26.Ne4 Rd8 27.
Rxd8+ Kxd8 28.c3 h5 29.Kc2 Kd7 30.Kd3 f5 31.Ng5 e5 32.fxe5 Nxe5+ 33.Kd4 
Nc6+ 34.Kc4 a6 35.b4 Kd6 36.Nf3 f4 37.a4 Ne5+ 38.Nxe5 Kxe5 39.h4 g5 1-0

[Event "18th Pan-American U20"]
[Site "Rancagua CHI"]
[Date "1993.08.??"]
[Round "12"]
[White "Torres, Jose Arturo"]
[Black "Mera, Angel"]
[Result "0-1"]
[ECO "B23"]
[EventDate "1993.??.??"]
[PlyCount "77"]

1.e4 c5 2.Nc3 Nc6 3.f4 e6 4.Bc4 Nge7 5.Nf3 d5 6.Bb5 dxe4 7.Nxe4 a6 8.Bxc6+
Nxc6 9.O-O Be7 10.d3 O-O 11.Kh1 b6 12.b3 Bb7 13.Bb2 Nd4 14.Ne5 b5 15.a4 f6
16.Nf3 b4 17.Bxd4 cxd4 18.Ned2 Re8 19.Nc4 a5 20.Qd2 Bc5 21.Rae1 Qd5 22.Qf2
Qh5 23.Nfd2 Ra6 24.Ne4 Rd8 25.Re2 Ba7 26.Rfe1 Bb8 27.Ng3 Qg4 28.Rf1 h5 29.
Ne4 Ba7 30.Kg1 h4 31.h3 Qh5 32.Ncd2 Bb8 33.f5 exf5 34.g4 fxg4 35.Qf5 Qxf5 
36.Rxf5 gxh3 37.Nf3 g6 38.Rb5 Bc6 39.Nxf6+ 0-1

[Event "18th Pan-American U20"]
[Site "Rancagua CHI"]
[Date "1993.08.??"]
[Round "13"]
[White "Barria, Daniel"]
[Black "Torres, Jose Arturo"]
[Result "1/2-1/2"]
[ECO "C10"]
[EventDate "1993.??.??"]
[PlyCount "25"]

1.e4 e6 2.d4 d5 3.Nc3 Be7 4.Nf3 Nf6 5.e5 Nfd7 6.Bd3 c5 7.dxc5 Nc6 8.Qe2 
Nxc5 9.O-O Nxd3 10.Qxd3 O-O 11.Re1 Bd7 12.a3 Rc8 13.Ne2 1/2-1/2

[Event "18th Pan-American U20"]
[Site "Rancagua CHI"]
[Date "1993.08.??"]
[Round "13"]
[White "Mera, Angel"]
[Black "Egger, Jorge"]
[Result "0-1"]
[ECO "A16"]
[EventDate "1993.??.??"]
[PlyCount "76"]

1.c4 g6 2.g3 Bg7 3.Bg2 Nf6 4.Nc3 O-O 5.e3 d6 6.Nge2 c5 7.O-O Nc6 8.a3 Bd7 
9.Rb1 a5 10.b3 Ne8 11.Bb2 e5 12.Nd5 Rb8 13.d4 cxd4 14.exd4 b5 15.cxb5 Rxb5
16.dxe5 dxe5 17.b4 axb4 18.axb4 Nf6 19.Nec3 Rb8 20.b5 Nd4 21.Ba3 Nxd5 22.
Nxd5 Re8 23.Bd6 Bg4 24.Qxg4 Qxd6 25.b6 f5 26.Qd1 e4 27.Nc7 Red8 28.Qa4 
Rxb6 29.Ne8 Qc6 30.Qa2+ Qe6 31.Qa5 Nb3 32.Rxb3 Qxb3 33.Nxg7 Kxg7 34.Qe5+ 
Kg8 35.g4 Qd5 36.Qe7 Re6 37.Qc7 Rc6 38.Qe7 Re6 0-1

[Event "18th Pan-American U20"]
[Site "Rancagua CHI"]
[Date "1993.08.??"]
[Round "13"]
[White "Renteria, Jorge"]
[Black "Langier, Daniel"]
[Result "1-0"]
[ECO "B53"]
[EventDate "1993.??.??"]
[PlyCount "81"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Qxd4 a6 5.Be3 Nc6 6.Qb6 Qxb6 7.Bxb6 Nf6 8.Nc3
e6 9.O-O-O Be7 10.h3 O-O 11.g4 Nb8 12.Nd2 Nbd7 13.Be3 b5 14.Bg2 Bb7 15.f4 
Rfc8 16.Bf3 Rc7 17.g5 Ne8 18.Rh2 Rac8 19.Nb3 Nc5 20.Nxc5 dxc5 21.Rhd2 f5 
22.Ne2 g6 23.Ng3 Ng7 24.h4 c4 25.Bd4 Bd6 26.Ne2 Ne8 27.Bb6 Rc6 28.Be3 Bc5 
29.Bd4 Rd6 30.Bxc5 Rxd2 31.Kxd2 Rxc5 32.Ke3 Rc7 33.Rd8 Kf7 34.Nd4 Ke7 35.
Rb8 fxe4 36.Bxe4 Bxe4 37.Kxe4 Nd6+ 38.Ke3 Nc8 39.Ra8 Na7 40.Rxa7 Rxa7 41.
Nc6+ 1-0

[Event "18th Pan-American U20"]
[Site "Rancagua CHI"]
[Date "1993.08.??"]
[Round "13"]
[White "Rojas, Luis"]
[Black "Escandon, Federico"]
[Result "1/2-1/2"]
[ECO "B85"]
[EventDate "1993.??.??"]
[PlyCount "58"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Be2 Be7 7.O-O O-O 8.f4 
Nc6 9.Be3 a6 10.a4 Qc7 11.Qe1 Nxd4 12.Bxd4 e5 13.Be3 exf4 14.Bxf4 Be6 15.
Qg3 Kh8 16.e5 dxe5 17.Bxe5 Qb6+ 18.Kh1 Rg8 19.Bd3 Qb4 20.Rae1 Qg4 21.Qe3 
Qh5 22.h3 Rac8 23.Qg3 Rc5 24.Bf4 Rgc8 25.Be3 R5c6 26.Bf4 Rc5 27.Ne4 Nxe4 
28.Bxe4 Bh4 29.Qe3 Bxe1 1/2-1/2

[Event "18th Pan-American U20"]
[Site "Rancagua CHI"]
[Date "1993.08.??"]
[Round "13"]
[White "Sosa Macho, Juan Manuel"]
[Black "Silva, Sebastian"]
[Result "1/2-1/2"]
[ECO "D35"]
[EventDate "1993.??.??"]
[PlyCount "88"]

1.d4 Nf6 2.c4 e6 3.Nc3 d5 4.cxd5 exd5 5.Bg5 Be7 6.e3 O-O 7.Bd3 Be6 8.Qc2 
Nbd7 9.Nf3 h6 10.Bh4 c5 11.O-O Rc8 12.h3 Re8 13.Bg3 a6 14.dxc5 Nxc5 15.Nd4
Nfe4 16.Bh2 Bf6 17.Rac1 b5 18.Nce2 Na4 19.Nxe6 fxe6 20.Qxc8 Qxc8 21.Rxc8 
Rxc8 22.Bxe4 dxe4 23.b3 Nc3 24.Nxc3 Rxc3 25.Bd6 Rc2 26.a3 Rb2 27.Rc1 a5 
28.Rc8+ Kf7 29.b4 Rd2 30.Bc5 Rd1+ 31.Kh2 Be5+ 32.g3 a4 33.Rf8+ Kg6 34.Re8 
Kf5 35.Rf8+ Kg6 36.Re8 Kf7 37.Re7+ Kf6 38.Rb7 Rd3 39.Rxb5 Rxa3 40.Ra5 Ra2 
41.Kg2 Bc3 42.Kf1 Ra1+ 43.Kg2 Ra2 44.Kf1 Ra1+ 1/2-1/2

[Event "18th Pan-American U20"]
[Site "Rancagua CHI"]
[Date "1993.08.??"]
[Round "13"]
[White "Steinhoff, Igor"]
[Black "Sepulveda, Job"]
[Result "1-0"]
[ECO "E83"]
[EventDate "1993.??.??"]
[PlyCount "131"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Be3 a6 7.Qd2 Nc6 8.Nge2 Re8 
9.h4 Rb8 10.h5 b5 11.hxg6 fxg6 12.g4 e5 13.O-O-O Bxg4 14.fxg4 b4 15.Nd5 
Nxe4 16.Qc2 exd4 17.Nxd4 Nxd4 18.Bxd4 c6 19.Qh2 h5 20.gxh5 cxd5 21.hxg6 
Qg5+ 22.Kc2 Nf6 23.Rg1 Qh5 24.Qxh5 Nxh5 25.Bxg7 Nxg7 26.Rxd5 Re6 27.Bd3 
Rf8 28.Rg2 Ne8 29.Ra5 Nc7 30.Rh5 Ref6 31.Rg1 Rf2+ 32.Kc1 Ne6 33.Rgh1 Kg7 
34.Rh7+ Kf6 35.Rd7 Nf4 36.Rxd6+ Ke5 37.Rd7 Ke6 38.Rhh7 Nxd3+ 39.Rxd3 Rg2 
40.Rh1 Rff2 41.Re1+ Kf5 42.g7 Rxg7 43.Rd5+ Kf4 44.Rd2 Rxd2 45.Kxd2 Rg2+ 
46.Re2 Rxe2+ 47.Kxe2 Ke4 48.Kd2 Kd4 49.b3 a5 50.Kc2 Ke4 51.Kb2 Kd4 52.a3 
bxa3+ 53.Kxa3 Kc5 54.Ka4 Kb6 55.c5+ Ka6 56.c6 Kb6 57.c7 Kxc7 58.Kxa5 Kc6 
59.b4 Kb7 60.Kb5 Ka7 61.Kc6 Kb8 62.Kb6 Ka8 63.Kc7 Ka7 64.b5 Ka8 65.Kb6 Kb8
66.Kc6 1-0

[Event "18th Pan-American U20"]
[Site "Rancagua CHI"]
[Date "1993.08.??"]
[Round "13"]
[White "Vescovi, Giovanni"]
[Black "Playa, Marcelo"]
[Result "1/2-1/2"]
[ECO "C09"]
[EventDate "1993.??.??"]
[PlyCount "85"]

1.e4 e6 2.d4 d5 3.Nd2 c5 4.exd5 exd5 5.Ngf3 Nc6 6.Bb5 Bd6 7.O-O Ne7 8.dxc5
Bxc5 9.Nb3 Bb6 10.c3 O-O 11.Bd3 h6 12.Re1 Bg4 13.Be2 Nf5 14.h3 Bxf3 15.
Bxf3 Qh4 16.Qc2 Rae8 17.Rd1 Re5 18.Bg4 Rfe8 19.Kh2 Bxf2 20.Rf1 Qg3+ 21.Kh1
Ne3 22.Bxe3 Bxe3 23.Qd3 Bf4 24.Qxg3 Bxg3 25.Rad1 h5 26.Bf3 Ne7 27.Nc5 Nf5 
28.Nd3 Ne3 29.Nxe5 Rxe5 30.Rfe1 Nxd1 31.Rxe5 Nf2+ 32.Kg1 Nxh3+ 33.gxh3 
Bxe5 34.Bxd5 b6 35.Kg2 Kf8 36.Kf3 Ke7 37.Ke4 Bg3 38.Bc6 g5 39.Kf5 f6 40.
Bf3 h4 41.c4 Be5 42.b4 Kd6 43.b5 1/2-1/2

