[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "1"]
[White "Agdestein, Simen"]
[Black "Cvitan, Ognjen"]
[Result "1-0"]
[BlackElo "2430"]
[ECO "E83"]
[EventDate "1981.08.17"]
[PlyCount "79"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Be3 a6 7.Qd2 Nc6 8.O-O-O e5 
9.Nge2 exd4 10.Nxd4 Nxd4 11.Bxd4 Be6 12.Nd5 Bxd5 13.cxd5 Nd7 14.Bxg7 Kxg7 
15.g4 Qh4 16.Kb1 Ne5 17.Be2 f6 18.Rdf1 Rf7 19.h3 g5 20.f4 Ng6 21.fxg5 Qxg5
22.Qd3 Nh4 23.Bd1 Re8 24.Bc2 Re5 25.Qb3 c6 26.dxc6 bxc6 27.Qd3 Rb5 28.Qxd6
Ng6 29.Bb3 Rfb7 30.Qe6 Qe5 31.Qg8+ Kh6 32.Re1 Rb8 33.Qc4 a5 34.h4 a4 35.
g5+ Kg7 36.gxf6+ Qxf6 37.Qxa4 Ne5 38.Qa7+ R5b7 39.Reg1+ Kh8 40.Qxb7 1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "1"]
[White "Arosemena, Franklin Alberto"]
[Black "Kuijf, Hans"]
[Result "0-1"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "1"]
[White "Bernal Moro, Luis Javier"]
[Black "Fernandes, Antonio"]
[Result "0-1"]
[BlackElo "2390"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "1"]
[White "Castaneda Aguilera, Blas"]
[Black "Whitehead, Jay"]
[Result "0-1"]
[BlackElo "2300"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "1"]
[White "Cools, Gorik"]
[Black "Corral Blanco, Juan Antonio"]
[Result "0-1"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "1"]
[White "Font, Joaquim"]
[Black "Ehlvest, Jaan"]
[Result "0-1"]
[BlackElo "2370"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "1"]
[White "Grushka, Carlos"]
[Black "Tavarez, Shawn"]
[Result "1-0"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "1"]
[White "Hamilton, Robert"]
[Black "Noble, Mark Frederick"]
[Result "1-0"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "1"]
[White "Heaven, Peter"]
[Black "Prie, Eric"]
[Result "1/2-1/2"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1/2-1/2

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "1"]
[White "Hjorth, Gregory"]
[Black "Rodriguez, Rogerio"]
[Result "1-0"]
[WhiteElo "2275"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "1"]
[White "Huergo Silverio, Jose Ramon"]
[Black "Hjartarson, Johann"]
[Result "0-1"]
[BlackElo "2420"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "1"]
[White "Juarez Flores, Carlos Armando"]
[Black "Waqar, Mohamed"]
[Result "1-0"]
[WhiteElo "2285"]
[ECO "C46"]
[EventDate "1981.08.17"]
[PlyCount "61"]

1.e4 e5 2.Nf3 Nc6 3.Nc3 Bc5 4.Nxe5 Bxf2+ 5.Kxf2 Nxe5 6.d4 Ng6 7.Be2 N8e7 
8.Rf1 d6 9.Kg1 O-O 10.Be3 Bd7 11.Bc4 Rc8 12.Qf3 Kh8 13.Qh5 f5 14.Bg5 c5 
15.Bd3 Qe8 16.Rae1 c4 17.Be2 b5 18.exf5 Rxf5 19.Ne4 Rxf1+ 20.Bxf1 Nd5 21.
Nf6 Nxf6 22.Rxe8+ Rxe8 23.Bxf6 gxf6 24.Qd5 Kg7 25.Qxd6 Re7 26.a4 Be8 27.
axb5 Bxb5 28.Qb4 a6 29.Bxc4 Bc6 30.d5 Bb7 31.d6 1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "1"]
[White "Krewi, Nasser"]
[Black "Fonseca, Jose Luis"]
[Result "0-1"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "1"]
[White "Kumar Singh, Promod"]
[Black "Tempone, Marcelo"]
[Result "0-1"]
[BlackElo "2305"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "1"]
[White "Milos, Gilberto"]
[Black "Lasar, Yves"]
[Result "1-0"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "1"]
[White "Moran Nuque, Bernardo"]
[Black "Arlandi, Ennio"]
[Result "1/2-1/2"]
[BlackElo "2240"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1/2-1/2

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "1"]
[White "Ebeling, Mika"]
[Black "Morovic Fernandez, Ivan"]
[Result "1-0"]
[BlackElo "2420"]
[ECO "B21"]
[EventDate "1981.08.17"]
[PlyCount "83"]

1.e4 c5 2.d4 cxd4 3.c3 dxc3 4.Nxc3 Nc6 5.Nf3 d6 6.Bc4 e6 7.O-O Be7 8.Qe2 
Nf6 9.Rd1 e5 10.Be3 O-O 11.Rac1 Bg4 12.h3 Bxf3 13.Qxf3 Rc8 14.Nd5 Nxd5 15.
Bxd5 Nb4 16.Rxc8 Qxc8 17.Bxa7 Nxd5 18.exd5 Qc2 19.Qd3 Qa4 20.Be3 Qxa2 21.
Qb5 Qa8 22.Qd7 Re8 23.Rc1 Bf8 24.Rc7 Qa1+ 25.Kh2 Re7 26.Qxd6 Rxc7 27.Qxc7 
Qa6 28.Bc5 Bxc5 29.Qxc5 h6 30.d6 Kh7 31.Qxe5 Qd3 32.g4 g6 33.Qe7 Qf3 34.
Kg1 Qd1+ 35.Kg2 Qd5+ 36.Kg3 Qd3+ 37.f3 Kg7 38.d7 Qd4 39.d8=Q Qg1+ 40.Kf4 
Qh2+ 41.Ke4 Qe2+ 42.Kd5 1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "1"]
[White "Motwani, Paul"]
[Black "Martinez, Ibrahim"]
[Result "1/2-1/2"]
[WhiteElo "2260"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1/2-1/2

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "1"]
[White "Salov, Valery"]
[Black "Simanjuntak, Sebastian"]
[Result "1-0"]
[WhiteElo "2295"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "1"]
[White "Short, Nigel David"]
[Black "Rodriguez Cespedes, Jaime"]
[Result "1-0"]
[WhiteElo "2440"]
[ECO "C40"]
[EventDate "1981.08.17"]
[PlyCount "165"]

1.e4 e5 2.Nf3 Qe7 3.Nc3 c6 4.d4 d6 5.Be2 Bg4 6.O-O Nf6 7.a4 Qc7 8.Be3 Bxf3
9.Bxf3 Be7 10.a5 Nbd7 11.d5 h6 12.a6 b6 13.dxc6 Qxc6 14.Be2 O-O 15.Bb5 Qc7
16.f3 Rac8 17.Qd2 Rfd8 18.Ra4 Nf8 19.Rd1 Ne6 20.Rc4 Qb8 21.Rxc8 Qxc8 22.
Bf1 Nc7 23.Nd5 Nfxd5 24.exd5 Rd7 25.Bd3 g6 26.Qc3 Qa8 27.Bc4 Kh7 28.Qd3 
Qb8 29.Ra1 Bd8 30.b4 b5 31.Bb3 Na8 32.Kf1 f5 33.c3 Rf7 34.Ke2 Rf8 35.g4 
fxg4 36.fxg4 Qc8 37.h3 Nb6 38.Bc2 Qc4 39.Qxc4 bxc4 40.Be4 Kg7 41.b5 Rf7 
42.h4 Rf8 43.h5 g5 44.Kd2 Kf7 45.Rb1 Bc7 46.Rb4 Rb8 47.Kc2 Bd8 48.Rb1 Nc8 
49.Bf5 Bb6 50.Bxc8 Bxe3 51.Bb7 Bc5 52.Rb4 Bxb4 53.cxb4 e4 54.b6 axb6 55.a7
Rf8 56.a8=Q Rxa8 57.Bxa8 Kf6 58.Kd2 Ke5 59.Ke3 c3 60.Bb7 c2 61.Kd2 Kf4 62.
Bc8 Kf3 63.Kxc2 Ke2 64.Kc3 Kf2 65.Kd4 e3 66.Ba6 e2 67.Bxe2 Kxe2 68.Ke4 Kf2
69.Kf5 Kf3 70.b5 Kg3 71.Ke6 Kxg4 72.Kxd6 Kxh5 73.Kc6 g4 74.d6 g3 75.d7 g2 
76.d8=Q g1=Q 77.Qxb6 Qg2+ 78.Kc7 Qg7+ 79.Kb8 Qe7 80.Qc6 Kg5 81.b6 h5 82.b7
Kh4 83.Qa4+ 1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "1"]
[White "Siegel, Georg"]
[Black "Norgaard, Jesper"]
[Result "1-0"]
[WhiteElo "2300"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "1"]
[White "Svenn, Gosta"]
[Black "Minibock, Gunter"]
[Result "1-0"]
[WhiteElo "2240"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "1"]
[White "Trepp, Markus"]
[Black "Urbaneja Navarro, Juan Carlos"]
[Result "0-1"]
[WhiteElo "2215"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "2"]
[White "Arlandi, Ennio"]
[Black "Prie, Eric"]
[Result "1-0"]
[WhiteElo "2240"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "2"]
[White "Corral Blanco, Juan Antonio"]
[Black "Short, Nigel David"]
[Result "1/2-1/2"]
[BlackElo "2440"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1/2-1/2

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "2"]
[White "Ebeling, Mika"]
[Black "Salov, Valery"]
[Result "1/2-1/2"]
[BlackElo "2295"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1/2-1/2

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "2"]
[White "Fonseca, Jose Luis"]
[Black "Motwani, Paul"]
[Result "0-1"]
[BlackElo "2260"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "2"]
[White "Grushka, Carlos"]
[Black "Ehlvest, Jaan"]
[Result "0-1"]
[BlackElo "2370"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "2"]
[White "Hamilton, Robert"]
[Black "Tempone, Marcelo"]
[Result "0-1"]
[BlackElo "2305"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "2"]
[White "Heaven, Peter"]
[Black "Moran Nuque, Bernardo"]
[Result "1-0"]
[ECO "C81"]
[EventDate "1981.08.17"]
[PlyCount "82"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Nxe4 6.d4 b5 7.Bb3 d5 8.dxe5 
Be6 9.Qe2 Be7 10.Rd1 Nc5 11.c4 d4 12.Nbd2 d3 13.Qe3 Nb4 14.Nd4 Nxb3 15.
axb3 Bg4 16.Rf1 Be2 17.Nf5 h5 18.Ne4 Nc2 19.Qf4 Rg8 20.Bd2 g5 21.Qg3 Bxf1 
22.Rxf1 Nd4 23.Nxd4 Qxd4 24.Qf3 Rd8 25.Bc3 Qd7 26.Bb4 Rg6 27.c5 Qg4 28.Qe3
Qf4 29.Qe1 Kf8 30.Bc3 h4 31.g3 Qf3 32.Nd2 Qd5 33.b4 Ke8 34.Ne4 Qc6 35.f4 
Kf8 36.f5 Rh6 37.f6 hxg3 38.fxe7+ Kxe7 39.Nxg3 Rdh8 40.Nf5+ Ke8 41.Nxh6 
Qxh6 1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "2"]
[White "Kuijf, Hans"]
[Black "Svenn, Gosta"]
[Result "1/2-1/2"]
[BlackElo "2240"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1/2-1/2

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "2"]
[White "Lasar, Yves"]
[Black "Huergo Silverio, Jose Ramon"]
[Result "0-1"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "2"]
[White "Martinez, Ibrahim"]
[Black "Juarez Flores, Carlos Armando"]
[Result "1-0"]
[BlackElo "2285"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "2"]
[White "Milos, Gilberto"]
[Black "Hjartarson, Johann"]
[Result "1/2-1/2"]
[BlackElo "2420"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1/2-1/2

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "2"]
[White "Minibock, Gunter"]
[Black "Bernal Moro, Luis Javier"]
[Result "1-0"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "2"]
[White "Noble, Mark Frederick"]
[Black "Castaneda Aguilera, Blas"]
[Result "0-1"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "2"]
[White "Norgaard, Jesper"]
[Black "Morovic Fernandez, Ivan"]
[Result "1/2-1/2"]
[BlackElo "2420"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1/2-1/2

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "2"]
[White "Rodriguez Cespedes, Jaime"]
[Black "Fernandes, Antonio"]
[Result "0-1"]
[BlackElo "2390"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "2"]
[White "Rodriguez, Rogerio"]
[Black "Cvitan, Ognjen"]
[Result "0-1"]
[BlackElo "2430"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "2"]
[White "Siegel, Georg"]
[Black "Kumar Singh, Promod"]
[Result "1-0"]
[WhiteElo "2300"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "2"]
[White "Tavarez, Shawn"]
[Black "Font, Joaquim"]
[Result "0-1"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "2"]
[White "Trepp, Markus"]
[Black "Cools, Gorik"]
[Result "1-0"]
[WhiteElo "2215"]
[ECO "C77"]
[EventDate "1981.08.17"]
[PlyCount "75"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.d4 Be7 6.Nxe5 Nxe5 7.dxe5 Nxe4 8.
Qg4 Ng5 9.f4 b5 10.Bb3 d5 11.Qd1 Ne4 12.Qxd5 Bb4+ 13.Bd2 Qh4+ 14.g3 Nxg3 
15.Qxf7+ Kd8 16.Qd5+ Ke8 17.Qf7+ Kd8 18.Qd5+ Ke8 19.hxg3 Qxg3+ 20.Kd1 Bg4+
21.Kc1 Bf3 22.Qe6+ Be7 23.Re1 Rd8 24.Qf7+ Kd7 25.Qe6+ Ke8 26.Qf7+ Kd7 27.
Nc3 Kc8 28.Nd5 Kb8 29.Qxe7 Bxd5 30.Qg5 Qf2 31.Qg1 Qh4 32.Bxd5 Rxd5 33.Qh1 
Qd8 34.Rd1 Rf8 35.Be3 Rxd1+ 36.Qxd1 Qh4 37.b3 g5 38.fxg5 1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "2"]
[White "Urbaneja Navarro, Juan Carlos"]
[Black "Hjorth, Gregory"]
[Result "0-1"]
[BlackElo "2275"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "2"]
[White "Waqar, Mohamed"]
[Black "Arosemena, Franklin Alberto"]
[Result "1-0"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "2"]
[White "Whitehead, Jay"]
[Black "Agdestein, Simen"]
[Result "1-0"]
[WhiteElo "2300"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "3"]
[White "Agdestein, Simen"]
[Black "Fonseca, Jose Luis"]
[Result "1-0"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "3"]
[White "Arlandi, Ennio"]
[Black "Ebeling, Mika"]
[Result "1/2-1/2"]
[WhiteElo "2240"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1/2-1/2

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "3"]
[White "Arosemena, Franklin Alberto"]
[Black "Tavarez, Shawn"]
[Result "0-1"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "3"]
[White "Bernal Moro, Luis Javier"]
[Black "Cools, Gorik"]
[Result "0-1"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "3"]
[White "Castaneda Aguilera, Blas"]
[Black "Trepp, Markus"]
[Result "1/2-1/2"]
[BlackElo "2215"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1/2-1/2

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "3"]
[White "Fernandes, Antonio"]
[Black "Whitehead, Jay"]
[Result "0-1"]
[WhiteElo "2390"]
[BlackElo "2300"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "3"]
[White "Font, Joaquim"]
[Black "Cvitan, Ognjen"]
[Result "0-1"]
[BlackElo "2430"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "3"]
[White "Grushka, Carlos"]
[Black "Waqar, Mohamed"]
[Result "1-0"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "3"]
[White "Heaven, Peter"]
[Black "Short, Nigel David"]
[Result "0-1"]
[BlackElo "2440"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "3"]
[White "Hjartarson, Johann"]
[Black "Corral Blanco, Juan Antonio"]
[Result "0-1"]
[WhiteElo "2420"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "3"]
[White "Hjorth, Gregory"]
[Black "Tempone, Marcelo"]
[Result "0-1"]
[WhiteElo "2275"]
[BlackElo "2305"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "3"]
[White "Juarez Flores, Carlos Armando"]
[Black "Huergo Silverio, Jose Ramon"]
[Result "1/2-1/2"]
[WhiteElo "2285"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1/2-1/2

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "3"]
[White "Kumar Singh, Promod"]
[Black "Lasar, Yves"]
[Result "0-1"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "3"]
[White "Minibock, Gunter"]
[Black "Hamilton, Robert"]
[Result "1/2-1/2"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1/2-1/2

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "3"]
[White "Morovic Fernandez, Ivan"]
[Black "Moran Nuque, Bernardo"]
[Result "1-0"]
[WhiteElo "2420"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "3"]
[White "Motwani, Paul"]
[Black "Kuijf, Hans"]
[Result "1/2-1/2"]
[WhiteElo "2260"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1/2-1/2

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "3"]
[White "Noble, Mark Frederick"]
[Black "Rodriguez, Rogerio"]
[Result "1-0"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "3"]
[White "Prie, Eric"]
[Black "Norgaard, Jesper"]
[Result "1/2-1/2"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1/2-1/2

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "3"]
[White "Rodriguez Cespedes, Jaime"]
[Black "Urbaneja Navarro, Juan Carlos"]
[Result "1-0"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "3"]
[White "Salov, Valery"]
[Black "Milos, Gilberto"]
[Result "1-0"]
[WhiteElo "2295"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "3"]
[White "Siegel, Georg"]
[Black "Ehlvest, Jaan"]
[Result "1-0"]
[WhiteElo "2300"]
[BlackElo "2370"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "3"]
[White "Svenn, Gosta"]
[Black "Martinez, Ibrahim"]
[Result "0-1"]
[WhiteElo "2240"]
[ECO "C55"]
[EventDate "1981.08.17"]
[PlyCount "90"]

1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d4 exd4 5.e5 d5 6.Bb5 Ne4 7.Nxd4 Bd7 8.Bxc6 
bxc6 9.O-O g6 10.f3 Nc5 11.f4 Ne6 12.f5 Nxd4 13.Qxd4 Bxf5 14.e6 f6 15.g4 
Bxe6 16.Rxf6 Qe7 17.Bf4 Bg7 18.g5 Bxf6 19.gxf6 Qd7 20.Nd2 O-O 21.Bh6 Rfe8 
22.Rf1 Bf7 23.Qh4 Re5 24.Bg5 h5 25.Bf4 Re2 26.h3 Qf5 27.Nf3 c5 28.Bxc7 
Rae8 29.Ne5 Qe4 30.Qxe4 Rxe4 31.Nd7 Re2 32.Rf2 c4 33.c3 R8e3 34.h4 Re1+ 
35.Rf1 Re7 36.Rxe1 Rxe1+ 37.Kf2 Rb1 38.Ke3 Rxb2 39.Bd6 Rxa2 40.Kd4 Rd2+ 
41.Kc5 d4 42.cxd4 c3 43.Bf4 Rf2 44.Be3 c2 45.Ne5 c1=Q+ 0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "4"]
[White "Arlandi, Ennio"]
[Black "Fernandes, Antonio"]
[Result "1/2-1/2"]
[WhiteElo "2240"]
[BlackElo "2390"]
[ECO "A79"]
[EventDate "1981.08.17"]
[PlyCount "102"]

1.d4 Nf6 2.c4 c5 3.d5 g6 4.Nc3 Bg7 5.e4 O-O 6.Nf3 e6 7.Be2 exd5 8.cxd5 Re8
9.Nd2 Na6 10.O-O d6 11.f3 Rb8 12.a4 Nc7 13.Nc4 b6 14.Bf4 Bf8 15.Nb5 Nxb5 
16.axb5 Nh5 17.Bd2 Ra8 18.g4 Ng7 19.Qe1 Bd7 20.Na3 Be7 21.Bc3 Bf6 22.Qg3 
Bxc3 23.bxc3 Qf6 24.Rac1 Reb8 25.f4 Ne8 26.e5 Qe7 27.Bc4 Nc7 28.Rce1 Rf8 
29.f5 dxe5 30.d6 Qxd6 31.Rd1 Qe7 32.Qd3 Rad8 33.fxg6 Be6 34.gxf7+ Kg7 35.
Qe3 Bxc4 36.Nxc4 Rxd1 37.Rxd1 Qxf7 38.Qxe5+ Kg8 39.Qg5+ Kh8 40.Qe5+ Kg8 
41.Qg5+ Qg7 42.Qxg7+ Kxg7 43.Rd7+ Rf7 44.Rxf7+ Kxf7 45.Na3 c4 46.Kf2 Nd5 
47.Nb1 Nc7 48.Na3 Kf6 49.Kf3 Nd5 50.Nb1 Nc7 51.Na3 Nd5 1/2-1/2

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "4"]
[White "Bernal Moro, Luis Javier"]
[Black "Kumar Singh, Promod"]
[Result "0-1"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "4"]
[White "Castaneda Aguilera, Blas"]
[Black "Heaven, Peter"]
[Result "1/2-1/2"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1/2-1/2

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "4"]
[White "Ebeling, Mika"]
[Black "Motwani, Paul"]
[Result "0-1"]
[BlackElo "2260"]
[ECO "B07"]
[EventDate "1981.08.17"]
[PlyCount "76"]

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Bf4 Bg7 5.Qd2 c6 6.Bh6 Bxh6 7.Qxh6 Qa5 8.O-O-O
Be6 9.d5 cxd5 10.exd5 Bxd5 11.Nxd5 Nxd5 12.Qg5 f5 13.Bc4 Nb6 14.Be6 Qe5 
15.Bb3 Nc6 16.Nf3 Qa5 17.Be6 Nd7 18.Rhe1 O-O-O 19.Qe3 Kb8 20.Ng5 Nde5 21.
Bb3 h6 22.Ne6 Rc8 23.f4 Ng4 24.Qg3 Qb6 25.Re2 h5 26.h3 h4 27.Qf3 Nf6 28.
Kb1 Ne4 29.Bd5 Nf6 30.Bb3 Na5 31.Nd4 Ne4 32.Rxe4 fxe4 33.Qxe4 Nxb3 34.Nxb3
Qf2 35.Nd4 Rhe8 36.Qxg6 Qxf4 37.Nf5 Qe4 38.Rc1 Rf8 0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "4"]
[White "Ehlvest, Jaan"]
[Black "Agdestein, Simen"]
[Result "1-0"]
[WhiteElo "2370"]
[ECO "E84"]
[EventDate "1981.08.17"]
[PlyCount "85"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Nge2 Nc6 7.Be3 a6 8.Qd2 Rb8 
9.Nc1 e5 10.Nb3 Nh5 11.d5 Ne7 12.c5 f5 13.O-O-O fxe4 14.fxe4 Kh8 15.Kb1 
Ng8 16.g3 Ngf6 17.Qg2 Ng4 18.Bg1 Qf6 19.Be2 Nf2 20.Bxf2 Qxf2 21.Qxf2 Rxf2 
22.Bxh5 gxh5 23.Rdf1 Rf6 24.h4 Bd7 25.Rxf6 Bxf6 26.Rf1 Kg7 27.Kc2 Kf7 28.
Nd1 Rg8 29.Rf3 Bg4 30.Rc3 b6 31.cxd6 cxd6 32.Ne3 b5 33.Nxg4 Rxg4 34.Nd2 
Bd8 35.Rf3+ Kg7 36.Kd3 Ba5 37.Nf1 Rg6 38.Ne3 Rf6 39.Rf5 Bb6 40.Rg5+ Kh8 
41.Nf5 h6 42.Rxh5 Kh7 43.g4 1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "4"]
[White "Fonseca, Jose Luis"]
[Black "Font, Joaquim"]
[Result "1-0"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "4"]
[White "Grushka, Carlos"]
[Black "Hjorth, Gregory"]
[Result "1-0"]
[BlackElo "2275"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "4"]
[White "Hamilton, Robert"]
[Black "Morovic Fernandez, Ivan"]
[Result "0-1"]
[BlackElo "2420"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "4"]
[White "Hjartarson, Johann"]
[Black "Kuijf, Hans"]
[Result "1-0"]
[WhiteElo "2420"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "4"]
[White "Huergo Silverio, Jose Ramon"]
[Black "Svenn, Gosta"]
[Result "1-0"]
[BlackElo "2240"]
[ECO "C05"]
[EventDate "1981.08.17"]
[PlyCount "51"]

1.e4 e6 2.d4 d5 3.Nd2 Nf6 4.e5 Nfd7 5.Bd3 b6 6.f4 f5 7.exf6 Nxf6 8.Ngf3 
Bd6 9.Ne5 O-O 10.O-O c5 11.c3 cxd4 12.cxd4 Ba6 13.Ndf3 Bxd3 14.Qxd3 Ne4 
15.Bd2 Qc8 16.Rac1 Qa6 17.Qb3 b5 18.Bb4 Qb6 19.Bxd6 Nxd6 20.Qd3 Ne4 21.Ng5
Nf6 22.Rc5 h6 23.Rxb5 Qd6 24.Rb7 hxg5 25.Rxg7+ Kh8 26.Qg6 1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "4"]
[White "Lasar, Yves"]
[Black "Norgaard, Jesper"]
[Result "0-1"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "4"]
[White "Martinez, Ibrahim"]
[Black "Cvitan, Ognjen"]
[Result "0-1"]
[BlackElo "2430"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "4"]
[White "Minibock, Gunter"]
[Black "Juarez Flores, Carlos Armando"]
[Result "1-0"]
[BlackElo "2285"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "4"]
[White "Moran Nuque, Bernardo"]
[Black "Arosemena, Franklin Alberto"]
[Result "1-0"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "4"]
[White "Noble, Mark Frederick"]
[Black "Urbaneja Navarro, Juan Carlos"]
[Result "1/2-1/2"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1/2-1/2

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "4"]
[White "Prie, Eric"]
[Black "Krewi, Nasser"]
[Result "1-0"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "4"]
[White "Rodriguez Cespedes, Jaime"]
[Black "Cools, Gorik"]
[Result "1-0"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "4"]
[White "Salov, Valery"]
[Black "Corral Blanco, Juan Antonio"]
[Result "1-0"]
[WhiteElo "2295"]
[ECO "D34"]
[EventDate "1981.08.17"]
[PlyCount "83"]

1.c4 e6 2.g3 Nf6 3.Bg2 c5 4.Nf3 Nc6 5.O-O Be7 6.d4 d5 7.cxd5 exd5 8.Nc3 
O-O 9.Bg5 cxd4 10.Nxd4 h6 11.Bxf6 Bxf6 12.Nb3 d4 13.Nd5 Be5 14.Nc5 Rb8 15.
Nd3 Bd6 16.Rc1 Bf5 17.Qd2 Re8 18.b4 Qg5 19.Qb2 Be4 20.N5f4 Qb5 21.a3 Bxg2 
22.Kxg2 a6 23.Rc2 Re4 24.Nc5 Re7 25.Nd5 Bxc5 26.Rxc5 Qxe2 27.Nxe7+ Qxe7 
28.Qb3 Rd8 29.Rd1 a5 30.Rb5 axb4 31.axb4 Rd7 32.Qf3 Nxb4 33.Rb1 Nc2 34.
Rxb7 d3 35.Rxd7 Qxd7 36.Qe4 g6 37.Qe5 Kh7 38.Rb8 g5 39.Rh8+ Kg6 40.Rg8+ 
Kh5 41.h3 f5 42.f3 1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "4"]
[White "Siegel, Georg"]
[Black "Short, Nigel David"]
[Result "0-1"]
[WhiteElo "2300"]
[BlackElo "2440"]
[ECO "A07"]
[EventDate "1981.08.17"]
[PlyCount "60"]

1.Nf3 d5 2.g3 Nf6 3.Bg2 c6 4.O-O Bf5 5.d3 e6 6.b3 h6 7.Bb2 Be7 8.Nbd2 O-O 
9.c4 Nbd7 10.a3 a5 11.Rc1 Bh7 12.Rc2 Bd6 13.Qa1 Qe7 14.Rfc1 e5 15.cxd5 
cxd5 16.Nf1 Rfe8 17.Ne3 Bc5 18.Nxe5 Bxe3 19.Nxd7 Ng4 20.Rc7 Bxf2+ 21.Kh1 
Qxe2 22.Bxg7 Bxd3 23.Bh8 d4 24.Nc5 Kxh8 25.Rxf7 Rac8 26.Bf3 Rxc5 27.Bxe2 
Rxe2 28.Rxf2 Nxf2+ 29.Kg2 Ng4+ 30.Kg1 Ne5 0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "4"]
[White "Trepp, Markus"]
[Black "Milos, Gilberto"]
[Result "1-0"]
[WhiteElo "2215"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "4"]
[White "Waqar, Mohamed"]
[Black "Tavarez, Shawn"]
[Result "1/2-1/2"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1/2-1/2

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "4"]
[White "Whitehead, Jay"]
[Black "Tempone, Marcelo"]
[Result "0-1"]
[WhiteElo "2300"]
[BlackElo "2305"]
[ECO "A28"]
[EventDate "1981.08.17"]
[PlyCount "52"]

1.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 4.e3 Bb4 5.Qc2 Bxc3 6.Qxc3 Qe7 7.a3 d5 8.b4 d4
9.Qb3 O-O 10.b5 Nb8 11.Qb4 Qe6 12.Qc5 Nbd7 13.Qxc7 a5 14.bxa6 Rxa6 15.Rb1 
Ra8 16.c5 Qa2 17.Rb2 Qa1 18.Kd1 Qxa3 19.Rc2 Qa4 20.c6 Nd5 21.Qd6 Nb4 22.
Ne1 bxc6 23.exd4 exd4 24.Qxd4 Re8 25.Bd3 Nxd3 26.Qxd3 Ba6 0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "5"]
[White "Arlandi, Ennio"]
[Black "Martinez, Ibrahim"]
[Result "1-0"]
[WhiteElo "2240"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "5"]
[White "Arosemena, Franklin Alberto"]
[Black "Lasar, Yves"]
[Result "0-1"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "5"]
[White "Castaneda Aguilera, Blas"]
[Black "Kuijf, Hans"]
[Result "0-1"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "5"]
[White "Corral Blanco, Juan Antonio"]
[Black "Morovic Fernandez, Ivan"]
[Result "1/2-1/2"]
[BlackElo "2420"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1/2-1/2

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "5"]
[White "Fernandes, Antonio"]
[Black "Huergo Silverio, Jose Ramon"]
[Result "1-0"]
[WhiteElo "2390"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "5"]
[White "Fonseca, Jose Luis"]
[Black "Ebeling, Mika"]
[Result "0-1"]
[ECO "C89"]
[EventDate "1981.08.17"]
[PlyCount "116"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.c3 d5 
9.exd5 Nxd5 10.Nxe5 Nxe5 11.Rxe5 c6 12.d4 Bd6 13.Re1 Qh4 14.g3 Qh3 15.Qd3 
Bf5 16.Qf1 Qh5 17.Bd1 Qg6 18.c4 Nb4 19.Nc3 Nd3 20.Re3 Bf4 21.Bh5 Qxh5 22.
gxf4 Nxf4 23.Rg3 Bh3 24.Qe1 Rfe8 25.Be3 b4 26.Qd1 Qxd1+ 27.Rxd1 bxc3 28.
Bxf4 c2 29.Rc1 Bf5 30.Ra3 Red8 31.Be3 f6 32.Ra5 Bg6 33.Kf1 h6 34.h4 Re8 
35.h5 Bd3+ 36.Ke1 Bxc4 37.Rxc2 Bd5 38.Rc3 Re4 39.Rca3 Bc4 40.Rc3 Bd5 41.
Rca3 Rh4 42.Rxa6 Rxa6 43.Rxa6 Rxh5 44.a4 Rh1+ 45.Kd2 g5 46.b4 Kg7 47.b5 
cxb5 48.axb5 Rb1 49.Rb6 h5 50.f4 g4 51.Bf2 Rb2+ 52.Ke1 Rb3 53.Bh4 g3 54.
Bxf6+ Kh7 55.Bh4 g2 56.Bf2 h4 57.Ra6 h3 58.Ra7+ Kg8 0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "5"]
[White "Font, Joaquim"]
[Black "Rodriguez, Rogerio"]
[Result "1-0"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "5"]
[White "Hamilton, Robert"]
[Black "Urbaneja Navarro, Juan Carlos"]
[Result "1-0"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "5"]
[White "Hjartarson, Johann"]
[Black "Grushka, Carlos"]
[Result "1/2-1/2"]
[WhiteElo "2420"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1/2-1/2

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "5"]
[White "Hjorth, Gregory"]
[Black "Norgaard, Jesper"]
[Result "1-0"]
[WhiteElo "2275"]
[ECO "C44"]
[EventDate "1981.08.17"]
[PlyCount "61"]

1.e4 e5 2.Nf3 Nc6 3.c3 Nf6 4.d4 Nxe4 5.d5 Nb8 6.Bd3 Nc5 7.Nxe5 Nxd3+ 8.
Nxd3 d6 9.O-O Be7 10.Qf3 O-O 11.Be3 Nd7 12.Bd4 Nf6 13.Re1 Bd7 14.Nd2 Re8 
15.h3 c5 16.Be3 h6 17.Re2 Nh7 18.Rae1 g5 19.g4 Nf8 20.Ne4 Ng6 21.c4 Nh4 
22.Qg3 f5 23.Nd2 f4 24.Nxf4 gxf4 25.Bxf4 Bg5 26.Bxg5 hxg5 27.Qxd6 Rxe2 28.
Rxe2 Be8 29.Qh6 Bg6 30.Re6 Kf7 31.Rxg6 1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "5"]
[White "Juarez Flores, Carlos Armando"]
[Black "Moran Nuque, Bernardo"]
[Result "1-0"]
[WhiteElo "2285"]
[ECO "C48"]
[EventDate "1981.08.17"]
[PlyCount "55"]

1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Bc5 5.O-O O-O 6.Nxe5 Nxe5 7.d4 Bd6 8.f4 
Nc6 9.e5 Bb4 10.d5 Bc5+ 11.Kh1 Nd4 12.exf6 Qxf6 13.Bd3 d6 14.Ne4 Qh4 15.f5
h6 16.Rf4 Qd8 17.c3 Nxf5 18.Nxc5 Ne7 19.Nb3 Nxd5 20.Rf1 c5 21.Qf3 Be6 22.
Qe4 Re8 23.Qh7+ Kf8 24.Bb5 Bd7 25.Qh8+ Ke7 26.Qxg7 Rf8 27.Re1+ Be6 28.Bxh6
1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "5"]
[White "Krewi, Nasser"]
[Black "Noble, Mark Frederick"]
[Result "0-1"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "5"]
[White "Kumar Singh, Promod"]
[Black "Cools, Gorik"]
[Result "0-1"]
[ECO "C80"]
[EventDate "1981.08.17"]
[PlyCount "84"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Nxe4 6.d4 b5 7.Bb3 d5 8.dxe5 
Be6 9.Nbd2 Nc5 10.c3 d4 11.cxd4 Nxd4 12.Nxd4 Qxd4 13.Bxe6 Nxe6 14.Qf3 Rd8 
15.Qc6+ Qd7 16.Qxa6 Bb4 17.Qb7 Bxd2 18.Rd1 Qd5 19.Qxd5 Rxd5 20.Bxd2 Rxe5 
21.Be3 Ke7 22.Kf1 Ra8 23.a3 c5 24.Bd2 Rh5 25.h3 Rd5 26.Bc3 Rad8 27.Rxd5 
Rxd5 28.g3 Kd6 29.Ke2 f6 30.b3 Kc6 31.Ra2 Ng5 32.h4 Ne4 33.Be1 Re5 34.Kf1 
Nd6 35.a4 b4 36.Rc2 Kb6 37.Bd2 Nb7 38.Bf4 Re7 39.f3 h6 40.Rd2 g5 41.Bd6 
Rd7 42.a5+ Kc6 0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "5"]
[White "Motwani, Paul"]
[Black "Ehlvest, Jaan"]
[Result "0-1"]
[WhiteElo "2260"]
[BlackElo "2370"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "5"]
[White "Prie, Eric"]
[Black "Agdestein, Simen"]
[Result "1-0"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "5"]
[White "Salov, Valery"]
[Black "Cvitan, Ognjen"]
[Result "0-1"]
[WhiteElo "2295"]
[BlackElo "2430"]
[ECO "E69"]
[EventDate "1981.08.17"]
[PlyCount "73"]

1.d4 Nf6 2.Nf3 g6 3.g3 Bg7 4.Bg2 O-O 5.c4 d6 6.O-O Nbd7 7.Nc3 e5 8.e4 c6 
9.h3 Qb6 10.d5 Nc5 11.Ne1 cxd5 12.cxd5 Bd7 13.Nd3 Nxd3 14.Qxd3 Rfc8 15.Qe2
Ne8 16.Be3 Qa5 17.a3 f5 18.Kh2 Nf6 19.exf5 gxf5 20.f4 e4 21.Rad1 Be8 22.g4
fxg4 23.hxg4 Rxc3 24.bxc3 Bb5 25.c4 Bxc4 26.Qxc4 Nxg4+ 27.Kg3 Nxe3 28.Qxe4
Nxd1 29.Rxd1 Qxa3+ 30.Bf3 Kh8 31.Rh1 h6 32.Rh4 Rg8 33.Rg4 a5 34.Rg6 a4 35.
Qe6 Qd3 36.Kg2 Qxg6+ 37.Qxg6 0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "5"]
[White "Short, Nigel David"]
[Black "Tempone, Marcelo"]
[Result "1-0"]
[WhiteElo "2440"]
[BlackElo "2305"]
[ECO "C43"]
[EventDate "1981.08.17"]
[PlyCount "49"]

1.e4 e5 2.Nf3 Nf6 3.d4 Nxe4 4.Bd3 d5 5.Nxe5 Be7 6.O-O O-O 7.c4 Nf6 8.Nc3 
dxc4 9.Bxc4 Nfd7 10.Bf4 Nb6 11.Bb3 N8d7 12.Qf3 Nf6 13.Rfe1 c6 14.Bg5 a5 
15.Re3 a4 16.Bxf7+ Rxf7 17.Nxf7 Kxf7 18.Rae1 Bf8 19.Ne4 Ra5 20.Nxf6 gxf6 
21.Re8 Qd6 22.Qh5+ Kg8 23.R1e7 Qxe7 24.Rxe7 Bxe7 25.Qe8+ 1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "5"]
[White "Siegel, Georg"]
[Black "Whitehead, Jay"]
[Result "0-1"]
[WhiteElo "2300"]
[BlackElo "2300"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "5"]
[White "Svenn, Gosta"]
[Black "Milos, Gilberto"]
[Result "0-1"]
[WhiteElo "2240"]
[ECO "B05"]
[EventDate "1981.08.17"]
[PlyCount "80"]

1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Nf3 Bg4 5.Be2 e6 6.c4 Nb6 7.h3 Bh5 8.O-O Be7 
9.Nc3 O-O 10.Be3 d5 11.c5 N6d7 12.b4 f6 13.Qb3 fxe5 14.Nxd5 exd5 15.Qxd5+ 
Kh8 16.Qxb7 e4 17.Qxa8 exf3 18.Bxf3 Bxf3 19.gxf3 Nf6 20.Bg5 Qd7 21.Rfe1 
Nc6 22.Rxe7 Rxa8 23.Rxd7 Nxd7 24.Bf4 Rc8 25.Re1 Kg8 26.a3 Nxd4 27.Re7 Kf8 
28.Rxd7 Ne2+ 29.Kg2 Nxf4+ 30.Kg3 Ne6 31.f4 Rd8 32.Rxd8+ Nxd8 33.Kf3 c6 34.
Ke4 Ne6 35.Ke5 Ke7 36.h4 Nc7 37.a4 Na6 38.b5 cxb5 39.axb5 Nxc5 40.Kd5 Na4 
0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "5"]
[White "Tavarez, Shawn"]
[Black "Heaven, Peter"]
[Result "1-0"]
[ECO "B22"]
[EventDate "1981.08.17"]
[PlyCount "37"]

1.e4 c5 2.c3 d5 3.exd5 Qxd5 4.d4 Nc6 5.Nf3 Bg4 6.Be2 cxd4 7.cxd4 e5 8.Nc3 
Bb4 9.O-O Bxc3 10.bxc3 e4 11.Re1 Nge7 12.Ng5 Bxe2 13.Qxe2 f5 14.f3 exf3 
15.Nxf3 Rc8 16.c4 Qd6 17.d5 Na5 18.Bf4 Qc5+ 19.Kh1 1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "5"]
[White "Trepp, Markus"]
[Black "Minibock, Gunter"]
[Result "0-1"]
[WhiteElo "2215"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "5"]
[White "Waqar, Mohamed"]
[Black "Rodriguez Cespedes, Jaime"]
[Result "0-1"]
[ECO "C40"]
[EventDate "1981.08.17"]
[PlyCount "50"]

1.e4 e5 2.Nf3 Qe7 3.Nc3 c6 4.Bc4 d6 5.d3 Bg4 6.h3 Bh5 7.Be3 Nd7 8.Qe2 Bxf3
9.Qxf3 g6 10.g4 Ngf6 11.O-O-O Bg7 12.Kb1 b5 13.Bb3 Nc5 14.Ne2 a5 15.Bxc5 
dxc5 16.a3 a4 17.Ba2 O-O 18.h4 Rfb8 19.Ka1 Ra7 20.h5 Rab7 21.Ng3 b4 22.Bc4
bxa3 23.bxa3 Rb2 24.g5 Qb7 25.Bb3 Rxb3 0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "6"]
[White "Arlandi, Ennio"]
[Black "Salov, Valery"]
[Result "1/2-1/2"]
[WhiteElo "2240"]
[BlackElo "2295"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1/2-1/2

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "6"]
[White "Cools, Gorik"]
[Black "Font, Joaquim"]
[Result "1/2-1/2"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1/2-1/2

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "6"]
[White "Corral Blanco, Juan Antonio"]
[Black "Ebeling, Mika"]
[Result "1-0"]
[ECO "C91"]
[EventDate "1981.08.17"]
[PlyCount "137"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.c3 d6 
9.d4 Bg4 10.d5 Na5 11.Bc2 c6 12.h3 Bh5 13.dxc6 Qc8 14.Nbd2 Qxc6 15.Nf1 Bg6
16.Ng3 Nd7 17.a4 Rfd8 18.Qe2 Nb6 19.axb5 axb5 20.h4 h6 21.h5 Bh7 22.Nh2 
Nac4 23.Rxa8 Rxa8 24.Ng4 Ra1 25.Nf5 Bf8 26.f4 Nd7 27.fxe5 Ncxe5 28.Bb3 
Bxf5 29.exf5 Nxg4 30.Qxg4 Qc5+ 31.Kf1 Nf6 32.Qf3 d5 33.Be3 Rxe1+ 34.Kxe1 
Qe7 35.Kf1 Qe4 36.Qxe4 dxe4 37.Bd1 Nd5 38.Bd4 Bd6 39.Bc2 Nf4 40.Bxe4 Nxh5 
41.Bd3 b4 42.c4 Nf6 43.c5 Bc7 44.c6 Nd5 45.Bc5 Be5 46.Bc4 Nc7 47.b3 Na8 
48.Bxb4 Nb6 49.Be7 Bc7 50.Ke2 Nc8 51.Bc5 Nd6 52.Bd3 Kf8 53.b4 Ke8 54.Bd4 
Kf8 55.Kf3 Nc8 56.Ke3 Nb6 57.Ke4 f6 58.Bc5+ Kf7 59.Bc2 Ke8 60.Bb3 Nc8 61.
Be6 Nb6 62.Kd3 Kd8 63.Bf8 Bf4 64.Ke4 Bg5 65.Bd6 Na8 66.b5 Bd2 67.b6 Nxb6 
68.c7+ Ke8 69.Bc5 1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "6"]
[White "Cvitan, Ognjen"]
[Black "Short, Nigel David"]
[Result "1-0"]
[WhiteElo "2430"]
[BlackElo "2440"]
[ECO "E12"]
[EventDate "1981.08.17"]
[PlyCount "45"]

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.a3 c5 5.d5 Ba6 6.Qc2 exd5 7.cxd5 Bb7 8.e4 Qe7 
9.Bd3 Nxd5 10.O-O Nc7 11.Nc3 Qd8 12.Nd5 Ne6 13.Ne5 Nc6 14.f4 Nxe5 15.fxe5 
Be7 16.Qe2 h6 17.Qh5 Rf8 18.Bxh6 gxh6 19.Rxf7 Rxf7 20.Rf1 Ng5 21.Bc4 Kf8 
22.Rxf7+ Nxf7 23.Nf6 1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "6"]
[White "Ehlvest, Jaan"]
[Black "Whitehead, Jay"]
[Result "1-0"]
[WhiteElo "2370"]
[BlackElo "2300"]
[ECO "E12"]
[EventDate "1981.08.17"]
[PlyCount "79"]

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.Nc3 Bb7 5.a3 d5 6.cxd5 Nxd5 7.e3 Be7 8.Bb5+ c6
9.Bd3 Nxc3 10.bxc3 c5 11.e4 Nc6 12.O-O O-O 13.d5 exd5 14.exd5 Na5 15.c4 b5
16.Qc2 Nxc4 17.Bxh7+ Kh8 18.Qf5 g5 19.Qh3 Kg7 20.Bf5 Rh8 21.Qg4 f6 22.Rd1 
Qd6 23.g3 Kf8 24.Be6 a6 25.Rb1 Qd8 26.a4 Nd6 27.h4 Qe8 28.axb5 axb5 29.
hxg5 Ra4 30.Bf4 fxg5 31.Nxg5 Qg6 32.Qf3 Rxf4 33.Qxf4+ Ke8 34.Nf7 Qxe6 35.
Nxh8 Bxd5 36.Re1 Qh3 37.Rxe7+ Kxe7 38.Qg5+ Ke6 39.Qg8+ Nf7 40.Qc8+ 1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "6"]
[White "Fonseca, Jose Luis"]
[Black "Heaven, Peter"]
[Result "1/2-1/2"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1/2-1/2

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "6"]
[White "Grushka, Carlos"]
[Black "Fernandes, Antonio"]
[Result "1-0"]
[BlackElo "2390"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "6"]
[White "Kuijf, Hans"]
[Black "Hjorth, Gregory"]
[Result "1-0"]
[BlackElo "2275"]
[ECO "C13"]
[EventDate "1981.08.17"]
[PlyCount "59"]

1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Ng8 6.Be3 b6 7.f4 Qd7 8.Qf3 c6 9.
O-O-O Ba6 10.Nge2 c5 11.f5 Nc6 12.fxe6 fxe6 13.Qg4 g5 14.Qh5+ Kd8 15.Bxg5 
Bxg5+ 16.Qxg5+ Qe7 17.Qe3 Bxe2 18.Nxe2 Kc7 19.g3 h5 20.Bh3 Nh6 21.dxc5 
bxc5 22.Nf4 d4 23.Qe4 Ng4 24.Bxg4 hxg4 25.Kb1 Rae8 26.Rde1 Qh7 27.Qe2 Rhg8
28.Qb5 Qe7 29.Nd3 Rg5 30.Nxc5 1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "6"]
[White "Kumar Singh, Promod"]
[Black "Krewi, Nasser"]
[Result "0-1"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "6"]
[White "Lasar, Yves"]
[Black "Castaneda Aguilera, Blas"]
[Result "1/2-1/2"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1/2-1/2

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "6"]
[White "Martinez, Ibrahim"]
[Black "Hamilton, Robert"]
[Result "0-1"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "6"]
[White "Minibock, Gunter"]
[Black "Hjartarson, Johann"]
[Result "0-1"]
[BlackElo "2420"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "6"]
[White "Morovic Fernandez, Ivan"]
[Black "Rodriguez Cespedes, Jaime"]
[Result "0-1"]
[WhiteElo "2420"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "6"]
[White "Motwani, Paul"]
[Black "Prie, Eric"]
[Result "1/2-1/2"]
[WhiteElo "2260"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1/2-1/2

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "6"]
[White "Noble, Mark Frederick"]
[Black "Milos, Gilberto"]
[Result "0-1"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "6"]
[White "Norgaard, Jesper"]
[Black "Agdestein, Simen"]
[Result "1-0"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "6"]
[White "Rodriguez, Rogerio"]
[Black "Bernal Moro, Luis Javier"]
[Result "0-1"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "6"]
[White "Tavarez, Shawn"]
[Black "Juarez Flores, Carlos Armando"]
[Result "1-0"]
[BlackElo "2285"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "6"]
[White "Tempone, Marcelo"]
[Black "Siegel, Georg"]
[Result "1/2-1/2"]
[WhiteElo "2305"]
[BlackElo "2300"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1/2-1/2

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "6"]
[White "Trepp, Markus"]
[Black "Huergo Silverio, Jose Ramon"]
[Result "1-0"]
[WhiteElo "2215"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "6"]
[White "Urbaneja Navarro, Juan Carlos"]
[Black "Svenn, Gosta"]
[Result "0-1"]
[BlackElo "2240"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "6"]
[White "Waqar, Mohamed"]
[Black "Moran Nuque, Bernardo"]
[Result "0-1"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "7"]
[White "Arosemena, Franklin Alberto"]
[Black "Rodriguez, Rogerio"]
[Result "1-0"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "7"]
[White "Bernal Moro, Luis Javier"]
[Black "Agdestein, Simen"]
[Result "0-1"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "7"]
[White "Castaneda Aguilera, Blas"]
[Black "Cools, Gorik"]
[Result "1/2-1/2"]
[ECO "C81"]
[EventDate "1981.08.17"]
[PlyCount "53"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Nxe4 6.d4 b5 7.Bb3 d5 8.dxe5 
Be6 9.Qe2 Be7 10.c3 Nc5 11.Nbd2 Nxb3 12.Nxb3 O-O 13.Nfd4 Nxd4 14.cxd4 Qd7 
15.Bd2 f6 16.f4 fxe5 17.fxe5 Bg4 18.Qe3 Rxf1+ 19.Rxf1 Rf8 20.Rc1 Qf5 21.h3
Bh5 22.Kh2 Qc8 23.Qc3 Bh4 24.Be1 Bg5 25.Bd2 Bh4 26.Be1 Bg5 27.Bd2 1/2-1/2

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "7"]
[White "Ehlvest, Jaan"]
[Black "Cvitan, Ognjen"]
[Result "1-0"]
[WhiteElo "2370"]
[BlackElo "2430"]
[ECO "B93"]
[EventDate "1981.08.17"]
[PlyCount "75"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.f4 e5 7.Nf3 Qc7 8.Bd3 Be7
9.O-O O-O 10.Kh1 b5 11.a3 Be6 12.Nh4 exf4 13.Bxf4 Nbd7 14.Bg3 g6 15.Nf3 
Ne5 16.Nd4 Rad8 17.h3 Qc5 18.Bf2 Qc8 19.Bh4 Kg7 20.Qe2 Nh5 21.Qf2 Bxh4 22.
Qxh4 Qc5 23.Nf5+ Bxf5 24.exf5 Nf6 25.Rf4 h6 26.fxg6 fxg6 27.Rxf6 Rxf6 28.
Ne4 g5 29.Qh5 Nxd3 30.Nxc5 Nf2+ 31.Kg1 dxc5 32.Re1 c4 33.Re2 Nd1 34.Re7+ 
Kf8 35.Rh7 Ne3 36.Rxh6 Rf1+ 37.Kh2 Rfd1 38.Rf6+ 1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "7"]
[White "Fernandes, Antonio"]
[Black "Milos, Gilberto"]
[Result "0-1"]
[WhiteElo "2390"]
[ECO "C68"]
[EventDate "1981.08.17"]
[PlyCount "114"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Bxc6 dxc6 5.O-O Qd6 6.d4 exd4 7.Qxd4 Qxd4 8.
Nxd4 Bd7 9.Be3 O-O-O 10.Nc3 Bd6 11.Rad1 Ne7 12.f3 Ng6 13.h3 Rhe8 14.Rd2 f6
15.Rfd1 Ne5 16.b3 Bb4 17.Nde2 c5 18.Kf2 c4 19.Rd4 Nc6 20.Rd5 cxb3 21.cxb3 
Be6 22.Rxd8+ Rxd8 23.Rxd8+ Nxd8 24.g4 Kd7 25.f4 b5 26.Nb1 c6 27.Kf3 a5 28.
Bd4 Bf8 29.h4 c5 30.Bb2 Nc6 31.Nbc3 b4 32.Na4 Kc7 33.f5 Bf7 34.Nf4 c4 35.
Nd5+ Kd6 36.bxc4 Ne5+ 37.Bxe5+ Kxe5 38.Ke3 h5 39.gxh5 Bxh5 40.c5 Bd1 41.
Nb2 Bxc5+ 42.Kd2 Bf3 43.Nd3+ Kxe4 44.Nxc5+ Kxd5 45.Ne6 Be4 46.Nxg7 Ke5 47.
Kc1 Bxf5 48.Kb2 a4 49.Ne8 Bg6 50.Nc7 f5 51.h5 Bh7 52.Kc1 f4 53.Nb5 f3 54.
Kd2 Kf4 55.Nc7 f2 56.Nd5+ Kf3 57.Ne3 b3 0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "7"]
[White "Font, Joaquim"]
[Black "Martinez, Ibrahim"]
[Result "1-0"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "7"]
[White "Heaven, Peter"]
[Black "Noble, Mark Frederick"]
[Result "0-1"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "7"]
[White "Hjorth, Gregory"]
[Black "Ebeling, Mika"]
[Result "1/2-1/2"]
[WhiteElo "2275"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1/2-1/2

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "7"]
[White "Huergo Silverio, Jose Ramon"]
[Black "Fonseca, Jose Luis"]
[Result "1-0"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "7"]
[White "Juarez Flores, Carlos Armando"]
[Black "Norgaard, Jesper"]
[Result "0-1"]
[WhiteElo "2285"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "7"]
[White "Krewi, Nasser"]
[Black "Lasar, Yves"]
[Result "1/2-1/2"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1/2-1/2

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "7"]
[White "Morovic Fernandez, Ivan"]
[Black "Tavarez, Shawn"]
[Result "1-0"]
[WhiteElo "2420"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "7"]
[White "Motwani, Paul"]
[Black "Hamilton, Robert"]
[Result "1-0"]
[WhiteElo "2260"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "7"]
[White "Prie, Eric"]
[Black "Trepp, Markus"]
[Result "0-1"]
[BlackElo "2215"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "7"]
[White "Rodriguez Cespedes, Jaime"]
[Black "Arlandi, Ennio"]
[Result "1-0"]
[BlackElo "2240"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "7"]
[White "Salov, Valery"]
[Black "Kuijf, Hans"]
[Result "1-0"]
[WhiteElo "2295"]
[ECO "B00"]
[EventDate "1981.08.17"]
[PlyCount "81"]

1.e4 Nc6 2.Nf3 d6 3.d4 Nf6 4.Nc3 a6 5.Bg5 Bg4 6.Be2 e6 7.h3 Bh5 8.d5 exd5 
9.exd5 Bxf3 10.Bxf3 Ne5 11.Be2 Be7 12.Be3 O-O 13.Qd2 Re8 14.O-O Bf8 15.a4 
Ned7 16.a5 Nc5 17.f3 g6 18.b4 Ncd7 19.Rfe1 Bg7 20.Bd4 Nh5 21.Bxg7 Kxg7 22.
Qd4+ Qf6 23.Qxf6+ Ndxf6 24.Bc4 Nd7 25.Kf2 f5 26.Bb3 Kf7 27.Ne2 Nhf6 28.Nf4
Nf8 29.h4 Rxe1 30.Rxe1 Re8 31.Rxe8 Kxe8 32.Ke3 h6 33.c4 Ke7 34.Kd4 N6d7 
35.Bc2 Kf6 36.c5 Ne5 37.Ba4 g5 38.hxg5+ hxg5 39.Nh5+ Ke7 40.Ng7 f4 41.
cxd6+ 1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "7"]
[White "Short, Nigel David"]
[Black "Grushka, Carlos"]
[Result "1-0"]
[WhiteElo "2440"]
[ECO "C43"]
[EventDate "1981.08.17"]
[PlyCount "55"]

1.e4 e5 2.Nf3 Nf6 3.d4 Nxe4 4.Bd3 d5 5.Nxe5 Nd7 6.Nxd7 Bxd7 7.O-O Qh4 8.c4
O-O-O 9.c5 g5 10.Nc3 Bg7 11.Ne2 f5 12.f3 Nf6 13.Be3 f4 14.Bf2 Qh6 15.Qd2 
Rdf8 16.Rac1 g4 17.Qa5 a6 18.c6 Bxc6 19.Rxc6 bxc6 20.Rc1 Ne4 21.Qxa6+ Kd7 
22.Rxc6 Rf6 23.Rxf6 Nxf6 24.Bf5+ Ke7 25.Qe6+ Kf8 26.Be1 Ne8 27.Bb4+ Nd6 
28.Qc8+ 1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "7"]
[White "Siegel, Georg"]
[Black "Minibock, Gunter"]
[Result "0-1"]
[WhiteElo "2300"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "7"]
[White "Svenn, Gosta"]
[Black "Moran Nuque, Bernardo"]
[Result "1/2-1/2"]
[WhiteElo "2240"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1/2-1/2

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "7"]
[White "Tempone, Marcelo"]
[Black "Hjartarson, Johann"]
[Result "1/2-1/2"]
[WhiteElo "2305"]
[BlackElo "2420"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1/2-1/2

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "7"]
[White "Urbaneja Navarro, Juan Carlos"]
[Black "Waqar, Mohamed"]
[Result "1-0"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "7"]
[White "Whitehead, Jay"]
[Black "Corral Blanco, Juan Antonio"]
[Result "0-1"]
[WhiteElo "2300"]
[ECO "C77"]
[EventDate "1981.08.17"]
[PlyCount "114"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.Bxc6 dxc6 6.d3 Bd6 7.Nbd2 Bg4 8.Nc4
Nd7 9.Ne3 Be6 10.d4 f6 11.c4 exd4 12.Nxd4 Qe7 13.O-O O-O-O 14.Qc2 Bxh2+ 
15.Kh1 Bd6 16.Nef5 Bxf5 17.Nxf5 Qe6 18.Be3 g6 19.Nxd6+ Qxd6 20.f3 Ne5 21.
Rad1 Qe6 22.b3 Rxd1 23.Rxd1 Rd8 24.Rxd8+ Kxd8 25.Kg1 Qd6 26.Kf2 Qd3 27.
Qxd3+ Nxd3+ 28.Ke2 Ne5 29.c5 Kd7 30.Bd4 Ke6 31.Bxe5 Kxe5 32.Ke3 f5 33.f4+ 
Ke6 34.b4 b6 35.Kd4 fxe4 36.Kxe4 h5 37.g3 bxc5 38.bxc5 a5 39.a4 Kf6 40.Ke3
Kf5 41.Kf3 g5 42.fxg5 Kxg5 43.Kg2 Kg4 44.Kf2 Kf5 45.Kg2 Ke5 46.Kh3 Kd5 47.
Kh4 Kxc5 48.Kxh5 Kb4 49.g4 c5 50.g5 c4 51.g6 c3 52.g7 c2 53.g8=Q c1=Q 54.
Qg4+ Qc4 55.Qd1 c5 56.Qd7 Ka3 57.Qc6 Qb4 0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "8"]
[White "Agdestein, Simen"]
[Black "Cools, Gorik"]
[Result "0-1"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "8"]
[White "Arlandi, Ennio"]
[Black "Morovic Fernandez, Ivan"]
[Result "1/2-1/2"]
[WhiteElo "2240"]
[BlackElo "2420"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1/2-1/2

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "8"]
[White "Bernal Moro, Luis Javier"]
[Black "Arosemena, Franklin Alberto"]
[Result "1-0"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "8"]
[White "Corral Blanco, Juan Antonio"]
[Black "Cvitan, Ognjen"]
[Result "0-1"]
[BlackElo "2430"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "8"]
[White "Ehlvest, Jaan"]
[Black "Short, Nigel David"]
[Result "1/2-1/2"]
[WhiteElo "2370"]
[BlackElo "2440"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1/2-1/2

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "8"]
[White "Fonseca, Jose Luis"]
[Black "Martinez, Ibrahim"]
[Result "0-1"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "8"]
[White "Hamilton, Robert"]
[Black "Ebeling, Mika"]
[Result "1-0"]
[ECO "C70"]
[EventDate "1981.08.17"]
[PlyCount "83"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 f5 5.d3 fxe4 6.dxe4 Nf6 7.O-O d6 8.Nc3 b5
9.Bb3 Na5 10.Bg5 Nxb3 11.axb3 Be6 12.Bxf6 gxf6 13.Nh4 Bg7 14.Nd5 O-O 15.
Ne3 c6 16.Nhf5 d5 17.Qg4 Qd7 18.exd5 cxd5 19.Rfd1 Ra7 20.Qxg7+ Qxg7 21.
Nxg7 Kxg7 22.Nxd5 Rc8 23.Nb4 a5 24.Rd6 Kf7 25.c3 Bxb3 26.Nc6 Raa8 27.Nxa5 
Bc4 28.Rb6 Rd8 29.h3 Rd2 30.Rb7+ Kg6 31.b4 Rc2 32.Rd1 Rxc3 33.Rdd7 Rc1+ 
34.Kh2 Rb1 35.Nc6 Ra2 36.Rd6 Rxf2 37.Nxe5+ Kf5 38.Ng4 Rfb2 39.Re7 Rxb4 40.
Rxf6+ Kg5 41.Rg7+ Kh5 42.Rh6# 1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "8"]
[White "Hjorth, Gregory"]
[Black "Font, Joaquim"]
[Result "1-0"]
[WhiteElo "2275"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "8"]
[White "Kuijf, Hans"]
[Black "Fernandes, Antonio"]
[Result "1-0"]
[BlackElo "2390"]
[ECO "C69"]
[EventDate "1981.08.17"]
[PlyCount "123"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Bxc6 dxc6 5.O-O f6 6.d4 Bg4 7.dxe5 Qxd1 8.
Rxd1 fxe5 9.Rd3 Bxf3 10.Rxf3 Nf6 11.Nc3 Bb4 12.Bg5 Bxc3 13.bxc3 O-O 14.
Bxf6 Rxf6 15.Rxf6 gxf6 16.Rd1 a5 17.Kf1 Ra6 18.Rb1 Ra7 19.Ke2 Kf7 20.g3 a4
21.f4 exf4 22.gxf4 a3 23.Ke3 b6 24.Rd1 Ke7 25.Rg1 Kf7 26.c4 Ra4 27.Kd3 Rb4
28.Rd1 b5 29.cxb5 cxb5 30.c3 Rc4 31.f5 Ke7 32.Rg1 Kf7 33.Rb1 c6 34.h4 Ra4 
35.Ke3 Ke7 36.Rg1 Kf7 37.h5 b4 38.c4 b3 39.axb3 Rb4 40.h6 Rxb3+ 41.Kd4 Kf8
42.Rg7 a2 43.Ra7 Rb2 44.Kc5 Re2 45.Kd6 Rxe4 46.Rxa2 Rxc4 47.Ra8+ Kf7 48.
Ra7+ Kg8 49.Ke6 Re4+ 50.Kxf6 Re8 51.Rg7+ Kh8 52.Kf7 Ra8 53.f6 c5 54.Ke7 c4
55.f7 Ra7+ 56.Kd6 Ra6+ 57.Kd5 Ra5+ 58.Kd4 Ra8 59.Rg5 Rd8+ 60.Rd5 Rf8 61.
Re5 Rd8+ 62.Ke4 1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "8"]
[White "Kumar Singh, Promod"]
[Black "Rodriguez, Rogerio"]
[Result "0-1"]
[ECO "B32"]
[EventDate "1981.08.17"]
[PlyCount "36"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 e5 5.Nb5 a6 6.Nd6+ Bxd6 7.Qxd6 Qf6 8.
Qd3 Nge7 9.Be3 d5 10.exd5 Nb4 11.Qd2 Nexd5 12.Bc5 Qh4 13.Na3 Bf5 14.c3 
Qe4+ 15.Be2 Nf4 16.cxb4 Nxg2+ 17.Kf1 Ne3+ 18.fxe3 Bh3+ 0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "8"]
[White "Lasar, Yves"]
[Black "Heaven, Peter"]
[Result "0-1"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "8"]
[White "Milos, Gilberto"]
[Black "Siegel, Georg"]
[Result "0-1"]
[BlackElo "2300"]
[ECO "E92"]
[EventDate "1981.08.17"]
[PlyCount "66"]

1.Nf3 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.d4 O-O 6.Be2 e5 7.d5 c5 8.dxc6 bxc6 
9.O-O Na6 10.Nd2 Nc5 11.b4 Ne6 12.Nb3 Rb8 13.Rb1 Rxb4 14.Ba3 a5 15.c5 d5 
16.exd5 cxd5 17.Bxb4 axb4 18.Na4 d4 19.c6 Ne4 20.Re1 Nc3 21.Nxc3 bxc3 22.
Bf1 Nf4 23.Nc5 Qd5 24.Rb5 Qxc6 25.a4 Bf5 26.Qb3 h5 27.a5 e4 28.a6 d3 29.a7
c2 30.Rb7 Kh7 31.a8=Q Rxa8 32.Qxf7 Rg8 33.Rc7 d2 0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "8"]
[White "Minibock, Gunter"]
[Black "Motwani, Paul"]
[Result "0-1"]
[BlackElo "2260"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "8"]
[White "Moran Nuque, Bernardo"]
[Black "Castaneda Aguilera, Blas"]
[Result "1-0"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "8"]
[White "Noble, Mark Frederick"]
[Black "Svenn, Gosta"]
[Result "1-0"]
[BlackElo "2240"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "8"]
[White "Prie, Eric"]
[Black "Juarez Flores, Carlos Armando"]
[Result "0-1"]
[BlackElo "2285"]
[ECO "D35"]
[EventDate "1981.08.17"]
[PlyCount "46"]

1.d4 Nf6 2.Nf3 d5 3.c4 e6 4.cxd5 exd5 5.Bg5 Be7 6.Nc3 O-O 7.e3 c6 8.Qc2 
Ne4 9.Bxe7 Qxe7 10.Bd3 f5 11.O-O Be6 12.Ne5 Nd7 13.Nxd7 Bxd7 14.b4 Rf6 15.
Rab1 Raf8 16.b5 Rh6 17.g3 Ng5 18.Qd1 Nh3+ 19.Kh1 f4 20.Qe2 f3 21.Qc2 Qe6 
22.Rfc1 Nf4 23.Bf1 Ng2 0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "8"]
[White "Rodriguez Cespedes, Jaime"]
[Black "Hjartarson, Johann"]
[Result "0-1"]
[BlackElo "2420"]
[ECO "E15"]
[EventDate "1981.08.17"]
[PlyCount "58"]

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Ba6 5.Qa4 Bb7 6.Bg2 c5 7.d5 exd5 8.Ne5 Nc6 
9.f4 Bd6 10.O-O Nxe5 11.fxe5 Bxe5 12.cxd5 O-O 13.Nc3 Bd4+ 14.e3 Be5 15.Bd2
a6 16.Qc2 d6 17.Rae1 b5 18.e4 Bc8 19.Bf4 Nd7 20.Bh3 Qe7 21.Kh1 c4 22.Bxd7 
Bxd7 23.Bxe5 Qxe5 24.Ne2 Rae8 25.Ng1 Qd4 26.Nf3 Qc5 27.Rf2 f5 28.Ng5 h6 
29.Nh3 Rxe4 0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "8"]
[White "Tavarez, Shawn"]
[Black "Huergo Silverio, Jose Ramon"]
[Result "0-1"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "8"]
[White "Tempone, Marcelo"]
[Black "Salov, Valery"]
[Result "0-1"]
[WhiteElo "2305"]
[BlackElo "2295"]
[ECO "E05"]
[EventDate "1981.08.17"]
[PlyCount "102"]

1.g3 d5 2.Bg2 Nf6 3.c4 e6 4.Nf3 Be7 5.d4 O-O 6.O-O dxc4 7.Qc2 a6 8.Qxc4 b5
9.Qc2 Bb7 10.Bf4 Nc6 11.Rd1 Nb4 12.Qc1 Rc8 13.Nc3 Nbd5 14.Bg5 c5 15.Bxf6 
Bxf6 16.Nxd5 Bxd5 17.dxc5 Qc7 18.Ne1 Bxg2 19.Kxg2 Qc6+ 20.Kg1 Qxc5 21.Qxc5
Rxc5 22.Rd2 Rfc8 23.Kg2 g6 24.Rad1 a5 25.b3 Kg7 26.Rd7 Rc1 27.Kf3 R8c3+ 
28.e3 Rxd1 29.Rxd1 a4 30.bxa4 bxa4 31.Ke2 Ra3 32.Rd2 Bc3 33.Rc2 Bxe1 34.
Kxe1 Kf6 35.h4 e5 36.Kd2 Kf5 37.Kc1 Ke4 38.Rd2 Rc3+ 39.Kb2 Rd3 40.Rxd3 
Kxd3 41.Ka3 e4 42.Kxa4 Ke2 43.Kb5 Kxf2 44.a4 Kxe3 45.a5 Kf2 46.a6 e3 47.a7
e2 48.a8=Q e1=Q 49.Qa2+ Kxg3 50.Qxf7 Qe2+ 51.Kb4 Qg4+ 0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "8"]
[White "Trepp, Markus"]
[Black "Grushka, Carlos"]
[Result "0-1"]
[WhiteElo "2215"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "8"]
[White "Urbaneja Navarro, Juan Carlos"]
[Black "Krewi, Nasser"]
[Result "1-0"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "8"]
[White "Whitehead, Jay"]
[Black "Norgaard, Jesper"]
[Result "0-1"]
[WhiteElo "2300"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "9"]
[White "Bernal Moro, Luis Javier"]
[Black "Svenn, Gosta"]
[Result "0-1"]
[BlackElo "2240"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "9"]
[White "Castaneda Aguilera, Blas"]
[Black "Agdestein, Simen"]
[Result "0-1"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "9"]
[White "Cools, Gorik"]
[Black "Fernandes, Antonio"]
[Result "0-1"]
[BlackElo "2390"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "9"]
[White "Corral Blanco, Juan Antonio"]
[Black "Grushka, Carlos"]
[Result "1/2-1/2"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1/2-1/2

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "9"]
[White "Ehlvest, Jaan"]
[Black "Salov, Valery"]
[Result "1-0"]
[WhiteElo "2370"]
[BlackElo "2295"]
[ECO "E52"]
[EventDate "1981.08.17"]
[PlyCount "81"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Bd3 d5 6.Nf3 b6 7.O-O Bb7 8.a3 Bd6 
9.b4 a5 10.c5 axb4 11.Na4 bxc5 12.dxc5 Rxa4 13.Qxa4 Bxc5 14.axb4 Bd6 15.
Be2 e5 16.b5 Ne4 17.Qc2 Nd7 18.Ba3 Re8 19.Ne1 Nb6 20.Bxd6 Nxd6 21.Nd3 d4 
22.Nc5 Ba8 23.e4 f5 24.Bd3 fxe4 25.Nxe4 Kh8 26.Rfe1 Nd5 27.Nxd6 cxd6 28.
Be4 Rf8 29.Qb3 Nb6 30.Bxa8 Nxa8 31.f3 h6 32.Rac1 Qa5 33.Re2 Qa7 34.Kh1 Nb6
35.h3 Nd7 36.Qe6 Qa3 37.Rc7 d3 38.Qxd7 Qa1+ 39.Kh2 e4 40.Rxe4 d2 41.Re8 
1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "9"]
[White "Font, Joaquim"]
[Black "Prie, Eric"]
[Result "0-1"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "9"]
[White "Hjorth, Gregory"]
[Black "Milos, Gilberto"]
[Result "0-1"]
[WhiteElo "2275"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "9"]
[White "Huergo Silverio, Jose Ramon"]
[Black "Siegel, Georg"]
[Result "1/2-1/2"]
[BlackElo "2300"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1/2-1/2

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "9"]
[White "Juarez Flores, Carlos Armando"]
[Black "Urbaneja Navarro, Juan Carlos"]
[Result "1-0"]
[WhiteElo "2285"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "9"]
[White "Krewi, Nasser"]
[Black "Rodriguez, Rogerio"]
[Result "1/2-1/2"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1/2-1/2

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "9"]
[White "Kuijf, Hans"]
[Black "Morovic Fernandez, Ivan"]
[Result "1/2-1/2"]
[BlackElo "2420"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1/2-1/2

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "9"]
[White "Kumar Singh, Promod"]
[Black "Fonseca, Jose Luis"]
[Result "0-1"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "9"]
[White "Lasar, Yves"]
[Black "Waqar, Mohamed"]
[Result "1-0"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "9"]
[White "Martinez, Ibrahim"]
[Black "Heaven, Peter"]
[Result "1-0"]
[ECO "B99"]
[EventDate "1981.08.17"]
[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.Bxb5+ axb5 13.Ndxb5 Qc6 14.g5 Nd7 
15.Qd3 Nc5 16.Nxd6+ Bxd6 17.Qxd6 Qxd6 18.Rxd6 O-O 19.Rhd1 f6 20.gxf6 Rxf6 
21.Rd8+ Rf8 22.b4 Nb7 23.Rxf8+ Kxf8 24.Kb2 Ke7 25.a4 Bd7 26.Kb3 Rc8 27.Rd4
Rb8 28.b5 Kd8 29.Nd1 Kc7 30.c4 Nc5+ 31.Kb4 Na6+ 32.Ka3 Nc5 33.Nb2 Be8 34.
Nd3 Nxd3 35.Rxd3 Bg6 36.Rd4 e5 37.fxe5 Re8 38.Rd5 Bxe4 39.Rc5+ Kb6 40.Kb4 
Ra8 41.e6 1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "9"]
[White "Minibock, Gunter"]
[Black "Arlandi, Ennio"]
[Result "1-0"]
[BlackElo "2240"]
[ECO "B33"]
[EventDate "1981.08.17"]
[PlyCount "79"]

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.a4 bxa4 14.Ncb4 Bd7 15.
Bxa6 Na5 16.Qe2 Bg5 17.O-O g6 18.Kh1 Re8 19.Rad1 Bh6 20.Qc2 f5 21.exf5 
gxf5 22.f4 e4 23.Qf2 Kh8 24.Ne3 Be6 25.Nbd5 Nb3 26.Bc4 Nc5 27.Rd2 Bf8 28.
Ra1 Bg7 29.Rdd1 Bf8 30.g3 Rb7 31.Qe2 Bd7 32.Qh5 Nd3 33.Rdb1 Qb8 34.Nf6 Re7
35.Nxd7 Rexd7 36.Qxf5 Bg7 37.Bxd3 exd3 38.Qxd3 a3 39.b4 Qa8 40.Kg1 1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "9"]
[White "Moran Nuque, Bernardo"]
[Black "Noble, Mark Frederick"]
[Result "1-0"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "9"]
[White "Motwani, Paul"]
[Black "Cvitan, Ognjen"]
[Result "0-1"]
[WhiteElo "2260"]
[BlackElo "2430"]
[ECO "A75"]
[EventDate "1981.08.17"]
[PlyCount "80"]

1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Nf3 a6 8.a4 Bg4 9.
Be2 Bg7 10.O-O O-O 11.h3 Bxf3 12.Bxf3 Nbd7 13.Bf4 Qc7 14.Qd2 Rfe8 15.a5 
Rab8 16.Rfe1 b5 17.axb6 Rxb6 18.Qe2 Qb7 19.Na4 Nxd5 20.Be3 Nxe3 21.Nxb6 
Qxb6 22.Rxa6 Qb7 23.fxe3 Be5 24.Rb1 Qb4 25.Qc2 Qb8 26.Qa4 Nf6 27.b4 cxb4 
28.Rxb4 Qc8 29.Qc6 Qe6 30.Be2 Bg3 31.Bc4 Qe5 32.Rb7 Rf8 33.Raa7 Qh5 34.Qa4
Qc5 35.Qb3 d5 36.Bf1 Nxe4 37.Ra2 Nc3 38.Ra1 Qxe3+ 39.Kh1 Be5 40.Qc2 Ne4 
0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "9"]
[White "Norgaard, Jesper"]
[Black "Tempone, Marcelo"]
[Result "1/2-1/2"]
[BlackElo "2305"]
[ECO "C42"]
[EventDate "1981.08.17"]
[PlyCount "99"]

1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.Nc3 Nxc3 6.dxc3 Be7 7.Bf4 Bg4 8.
Be2 Nd7 9.Qd2 Nc5 10.O-O-O O-O 11.Nd4 Bxe2 12.Qxe2 Qd7 13.Rhe1 Rfe8 14.Qf3
Bf6 15.Be3 Ne4 16.Kb1 d5 17.Qf5 Rad8 18.f3 Nd6 19.Qxd7 Rxd7 20.Bf4 Red8 
21.Bxd6 Rxd6 22.Re2 a6 23.f4 R6d7 24.Rde1 Kf8 25.Kc1 Re7 26.Rxe7 Bxe7 27.
g3 Bc5 28.Kd2 g6 29.Re5 Bd6 30.Re2 c5 31.Nf3 f6 32.Nh4 Kf7 33.Ng2 b5 34.
Ne3 c4 35.Ng2 Bc5 36.Ne1 d4 37.cxd4 Bxd4 38.c3 Bc5+ 39.Kc2 h5 40.Nf3 Rd3 
41.Ne1 Rd6 42.Nf3 Rd3 43.Ne1 Rd5 44.b3 cxb3+ 45.axb3 Bd6 46.Nd3 g5 47.fxg5
fxg5 48.c4 Rf5 49.Kc3 Rf3 50.Kd4 1/2-1/2

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "9"]
[White "Short, Nigel David"]
[Black "Hjartarson, Johann"]
[Result "1/2-1/2"]
[WhiteElo "2440"]
[BlackElo "2420"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1/2-1/2

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "9"]
[White "Tavarez, Shawn"]
[Black "Ebeling, Mika"]
[Result "0-1"]
[ECO "C55"]
[EventDate "1981.08.17"]
[PlyCount "56"]

1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d4 exd4 5.O-O Bc5 6.e5 d5 7.exf6 dxc4 8.Re1+
Be6 9.Ng5 Qd5 10.fxg7 Rg8 11.Nc3 Qf5 12.Nce4 O-O-O 13.g4 Qe5 14.f4 d3+ 15.
Kf1 Qd5 16.f5 Rxg7 17.fxe6 fxe6 18.Be3 Rf8+ 19.Kg1 Bxe3+ 20.Rxe3 Rxg5 21.
Nxg5 Qxg5 22.Rg3 Qc5+ 23.Kh1 Qd5+ 24.Kg1 Qd4+ 25.Kh1 Qe4+ 26.Kg1 Nd4 27.
Rg2 Ne2+ 28.Rxe2 dxe2 0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "9"]
[White "Trepp, Markus"]
[Black "Hamilton, Robert"]
[Result "1-0"]
[WhiteElo "2215"]
[ECO "C55"]
[EventDate "1981.08.17"]
[PlyCount "26"]

1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d4 exd4 5.e5 d5 6.Bb5 Ne4 7.Nxd4 Bd7 8.Bxc6 
bxc6 9.O-O Be7 10.f3 Nc5 11.f4 f6 12.f5 fxe5 13.Qh5+ Kf8 1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "9"]
[White "Whitehead, Jay"]
[Black "Rodriguez Cespedes, Jaime"]
[Result "0-1"]
[WhiteElo "2300"]
[ECO "B06"]
[EventDate "1981.08.17"]
[PlyCount "78"]

1.e4 g6 2.d4 Bg7 3.Nc3 c6 4.Bc4 d5 5.exd5 b5 6.Bb3 b4 7.Nce2 cxd5 8.Bd2 
Nf6 9.Bxb4 O-O 10.Bd2 Nc6 11.Nf3 Bg4 12.Bg5 Ne4 13.Be3 Bxf3 14.gxf3 Nf6 
15.Nf4 e6 16.h4 h5 17.c3 Ne7 18.Bc2 Rb8 19.Nd3 Nf5 20.Qe2 Nh7 21.O-O-O Qa5
22.Nc5 Qxa2 23.Bb1 Qa1 24.Nd7 Rb7 25.Nxf8 Bxf8 26.Kd2 Rxb2+ 27.Bc2 Qa2 28.
Rc1 Nd6 29.Rhd1 Nb5 30.Qd3 Na3 31.Rg1 Bg7 32.f4 Nf6 33.f3 Ne8 34.f5 Nd6 
35.fxg6 Ndc4+ 36.Kd1 Rxc2 37.gxf7+ Kf8 38.Rxc2 Qxc2+ 39.Qxc2 Nxe3+ 0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "10"]
[White "Bernal Moro, Luis Javier"]
[Black "Krewi, Nasser"]
[Result "1-0"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "10"]
[White "Cvitan, Ognjen"]
[Black "Grushka, Carlos"]
[Result "1-0"]
[WhiteElo "2430"]
[ECO "D85"]
[EventDate "1981.08.17"]
[PlyCount "113"]

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.cxd5 Nxd5 5.e4 Nxc3 6.bxc3 c5 7.Nf3 Bg7 8.Rb1 
O-O 9.Be2 Nc6 10.d5 Bxc3+ 11.Bd2 Bxd2+ 12.Qxd2 Nb8 13.h4 e6 14.h5 Qf6 15.
e5 Qg7 16.h6 Qh8 17.Bc4 exd5 18.Qxd5 Nc6 19.Rh4 Be6 20.Qxc5 Rfe8 21.Bxe6 
Rxe6 22.Re4 Rae8 23.Rxb7 Nxe5 24.Nxe5 Rxe5 25.Qxe5 Qxe5 26.Rxe5 Rxe5+ 27.
Kd2 Kf8 28.Rxa7 Rh5 29.Ra3 Rh1 30.Rc3 Ke7 31.a4 Ra1 32.Rc4 Ra2+ 33.Ke3 Kf6
34.Rf4+ Kg5 35.Rxf7 Ra3+ 36.Kd2 Kxh6 37.Rf4 Kg5 38.g3 Kh5 39.Kc2 g5 40.Kb2
Rd3 41.Rc4 Rf3 42.Rc2 Kg4 43.a5 Rf5 44.a6 Ra5 45.Rc6 h5 46.Kb3 h4 47.Rc4+ 
Kf3 48.Ra4 Rb5+ 49.Ka2 Rb8 50.gxh4 gxh4 51.Rxh4 Kxf2 52.a7 Ra8 53.Ra4 Ke3 
54.Kb3 Kd3 55.Kb4 Kd4 56.Kb5+ Kd5 57.Kb6 1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "10"]
[White "Ebeling, Mika"]
[Black "Juarez Flores, Carlos Armando"]
[Result "1/2-1/2"]
[BlackElo "2285"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1/2-1/2

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "10"]
[White "Fernandes, Antonio"]
[Black "Moran Nuque, Bernardo"]
[Result "1-0"]
[WhiteElo "2390"]
[ECO "C77"]
[EventDate "1981.08.17"]
[PlyCount "79"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.d4 b5 6.Bb3 exd4 7.e5 Ne4 8.Bd5 Nc5
9.Nxd4 Bb7 10.O-O Nxd4 11.Bxb7 Nxb7 12.Qxd4 Nc5 13.Nc3 Ne6 14.Qg4 d6 15.
Qe4 Rb8 16.Rd1 b4 17.Na4 Qd7 18.b3 Qb5 19.f4 dxe5 20.f5 Nc5 21.Qxe5+ Be7 
22.Re1 O-O 23.Qxe7 Rfe8 24.Qh4 Nxa4 25.bxa4 Qc5+ 26.Kh1 Qc3 27.Bf4 Qxc2 
28.f6 gxf6 29.Qxf6 Qg6 30.Qxg6+ hxg6 31.Bxc7 Rbc8 32.Rxe8+ Rxe8 33.Ba5 Re4
34.Kg1 Rc4 35.Rb1 Rc2 36.Rxb4 Rxa2 37.Bb6 Kf8 38.a5 Ke8 39.Rd4 Ke7 40.h3 
1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "10"]
[White "Fonseca, Jose Luis"]
[Black "Tavarez, Shawn"]
[Result "1/2-1/2"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1/2-1/2

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "10"]
[White "Hamilton, Robert"]
[Black "Prie, Eric"]
[Result "1-0"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "10"]
[White "Heaven, Peter"]
[Black "Urbaneja Navarro, Juan Carlos"]
[Result "0-1"]
[ECO "B97"]
[EventDate "1981.08.17"]
[PlyCount "54"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 Qb6 8.Qd2 
Qxb2 9.Rb1 Qa3 10.e5 dxe5 11.fxe5 Nfd7 12.Bc4 Bb4 13.Rb3 Qa5 14.O-O O-O 
15.Bf6 Nxf6 16.exf6 Rd8 17.Rxb4 Qxb4 18.Qg5 g6 19.Nxe6 Bxe6 20.Bxe6 Qxc3 
21.Bxf7+ Kxf7 22.Qh6 Qc5+ 23.Kh1 Nd7 24.Qg7+ Ke6 25.f7 Rf8 26.Qb2 Qb5 27.
Re1+ Kxf7 0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "10"]
[White "Hjartarson, Johann"]
[Black "Ehlvest, Jaan"]
[Result "1/2-1/2"]
[WhiteElo "2420"]
[BlackElo "2370"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1/2-1/2

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "10"]
[White "Kuijf, Hans"]
[Black "Siegel, Georg"]
[Result "1-0"]
[BlackElo "2300"]
[ECO "B27"]
[EventDate "1981.08.17"]
[PlyCount "83"]

1.e4 c5 2.Nf3 g6 3.g3 Bg7 4.Bg2 Nc6 5.O-O Nf6 6.Re1 O-O 7.c3 d6 8.h3 Rb8 
9.d4 Nd7 10.Be3 b5 11.Qd2 Na5 12.Bh6 Nc4 13.Qc1 e5 14.b3 Na5 15.Bxg7 Kxg7 
16.Nbd2 Nc6 17.Nf1 f6 18.dxc5 dxc5 19.Ne3 b4 20.cxb4 Nxb4 21.Bf1 Nc6 22.
Nd5 Nd4 23.Nxd4 cxd4 24.Qa3 Bb7 25.Rac1 Bxd5 26.exd5 Nb6 27.d6 Rf7 28.Bc4 
Nxc4 29.bxc4 Qc8 30.c5 Qc6 31.Qd3 Rd7 32.Qc4 Rb5 33.Red1 Rdb7 34.Qa4 a6 
35.Rd3 h5 36.Ra3 a5 37.Rb3 Rb8 38.Rxb5 Rxb5 39.d7 Qxd7 40.c6 Qd5 41.c7 Rc5
42.Rxc5 1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "10"]
[White "Lasar, Yves"]
[Black "Font, Joaquim"]
[Result "0-1"]
[ECO "A44"]
[EventDate "1981.08.17"]
[PlyCount "64"]

1.d4 c5 2.d5 e5 3.c4 d6 4.e4 g6 5.Nc3 Bg7 6.Bd3 Ne7 7.Nge2 O-O 8.O-O Nd7 
9.h3 f5 10.f4 a6 11.Qc2 exf4 12.Nxf4 Ne5 13.Be2 fxe4 14.Nxe4 Nf5 15.Qd1 
Nd4 16.Be3 Nxe2+ 17.Qxe2 b5 18.b3 Re8 19.Rac1 Nxc4 20.bxc4 Rxe4 21.Rf3 Qe7
22.Kh1 Bd4 23.Re1 Bd7 24.g4 Bxe3 25.Rxe3 Rxe3 26.Qxe3 Qxe3 27.Rxe3 bxc4 
28.Ne2 Re8 29.Rxe8+ Bxe8 30.Kg2 g5 31.Kf3 Kg7 32.Nc3 Bg6 0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "10"]
[White "Martinez, Ibrahim"]
[Black "Hjorth, Gregory"]
[Result "0-1"]
[BlackElo "2275"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "10"]
[White "Milos, Gilberto"]
[Black "Motwani, Paul"]
[Result "1-0"]
[BlackElo "2260"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "10"]
[White "Minibock, Gunter"]
[Black "Corral Blanco, Juan Antonio"]
[Result "1/2-1/2"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1/2-1/2

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "10"]
[White "Morovic Fernandez, Ivan"]
[Black "Huergo Silverio, Jose Ramon"]
[Result "1/2-1/2"]
[WhiteElo "2420"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1/2-1/2

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "10"]
[White "Noble, Mark Frederick"]
[Black "Arlandi, Ennio"]
[Result "0-1"]
[BlackElo "2240"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "10"]
[White "Rodriguez, Rogerio"]
[Black "Castaneda Aguilera, Blas"]
[Result "0-1"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "10"]
[White "Salov, Valery"]
[Black "Short, Nigel David"]
[Result "1-0"]
[WhiteElo "2295"]
[BlackElo "2440"]
[ECO "B06"]
[EventDate "1981.08.17"]
[PlyCount "77"]

1.e4 g6 2.d4 Bg7 3.Nf3 d6 4.Be2 c6 5.O-O Nd7 6.a4 Nh6 7.Bg5 f6 8.Be3 O-O 
9.Qc1 Nf7 10.d5 f5 11.exf5 gxf5 12.c4 Nf6 13.Nc3 Bd7 14.Nd4 Ne5 15.h3 cxd5
16.cxd5 Rc8 17.Qd1 Ng6 18.f4 Qb6 19.Bb5 Qa5 20.Bxd7 Nxd7 21.Ne6 Rf7 22.Bd4
Bxd4+ 23.Qxd4 Qb6 24.Qxb6 Nxb6 25.Rac1 a5 26.b3 Nf8 27.Ne2 Rxc1 28.Rxc1 
Nxd5 29.Rc8 Nb6 30.Re8 Nd5 31.Kf2 Nb4 32.g4 fxg4 33.hxg4 h6 34.Kg3 Nd5 35.
g5 hxg5 36.fxg5 Ne3 37.N2d4 Rf1 38.g6 Nd5 39.Nf3 1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "10"]
[White "Svenn, Gosta"]
[Black "Agdestein, Simen"]
[Result "0-1"]
[WhiteElo "2240"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "10"]
[White "Tempone, Marcelo"]
[Black "Rodriguez Cespedes, Jaime"]
[Result "1-0"]
[WhiteElo "2305"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "10"]
[White "Trepp, Markus"]
[Black "Norgaard, Jesper"]
[Result "1-0"]
[WhiteElo "2215"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "10"]
[White "Waqar, Mohamed"]
[Black "Kumar Singh, Promod"]
[Result "0-1"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "10"]
[White "Whitehead, Jay"]
[Black "Cools, Gorik"]
[Result "1-0"]
[WhiteElo "2300"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "11"]
[White "Agdestein, Simen"]
[Black "Siegel, Georg"]
[Result "0-1"]
[BlackElo "2300"]
[ECO "A56"]
[EventDate "1981.08.17"]
[PlyCount "54"]

1.d4 Nf6 2.c4 c5 3.d5 e5 4.Nc3 d6 5.e4 Be7 6.Bd3 O-O 7.Nge2 Nh5 8.h4 Bg4 
9.Be3 Nf4 10.Rh2 a6 11.f3 Nxe2 12.Nxe2 Bc8 13.Qd2 b5 14.cxb5 axb5 15.Bxb5 
Na6 16.g4 Rb8 17.Bc4 Nc7 18.Kf1 Nb5 19.Bxb5 Rxb5 20.Ng3 Bxh4 21.Kg2 Bxg3 
22.Kxg3 Qf6 23.Rah1 Qg6 24.Rh5 f6 25.b3 Rb4 26.Qc2 Bxg4 27.Rxh7 Bh5+ 0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "11"]
[White "Bernal Moro, Luis Javier"]
[Black "Lasar, Yves"]
[Result "0-1"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "11"]
[White "Castaneda Aguilera, Blas"]
[Black "Tavarez, Shawn"]
[Result "1-0"]
[ECO "C41"]
[EventDate "1981.08.17"]
[PlyCount "35"]

1.e4 e5 2.Nf3 d6 3.d4 Nd7 4.Bc4 Be7 5.dxe5 dxe5 6.Qd5 Bb4+ 7.c3 Qe7 8.cxb4
Nb6 9.Qxe5 Qxe5 10.Nxe5 f6 11.Bxg8 fxe5 12.Bb3 Bd7 13.Nc3 a5 14.bxa5 Rxa5 
15.Be3 Nc8 16.O-O Nd6 17.Rfd1 Rf8 18.Nd5 1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "11"]
[White "Cvitan, Ognjen"]
[Black "Hjartarson, Johann"]
[Result "1/2-1/2"]
[WhiteElo "2430"]
[BlackElo "2420"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1/2-1/2

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "11"]
[White "Fernandes, Antonio"]
[Black "Hamilton, Robert"]
[Result "1-0"]
[WhiteElo "2390"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "11"]
[White "Font, Joaquim"]
[Black "Moran Nuque, Bernardo"]
[Result "0-1"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "11"]
[White "Hjorth, Gregory"]
[Black "Arlandi, Ennio"]
[Result "1-0"]
[WhiteElo "2275"]
[BlackElo "2240"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "11"]
[White "Huergo Silverio, Jose Ramon"]
[Black "Motwani, Paul"]
[Result "1-0"]
[BlackElo "2260"]
[ECO "B09"]
[EventDate "1981.08.17"]
[PlyCount "61"]

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.f4 Bg7 5.Nf3 O-O 6.Bd3 Na6 7.O-O c5 8.d5 b6 9.
Kh1 Nc7 10.Qe1 Rb8 11.f5 b5 12.Qh4 c4 13.Be2 gxf5 14.Nd4 Rb7 15.Nxf5 Bxf5 
16.Rxf5 Nd7 17.Bg5 f6 18.Be3 Ne5 19.Rh5 Qe8 20.Rxh7 Qg6 21.Rh5 b4 22.Nd1 
Nb5 23.Nf2 c3 24.b3 Na3 25.Rc1 f5 26.Nh3 f4 27.Nxf4 Qxe4 28.Qh3 Nxc2 29.
Qe6+ Rf7 30.Bd3 Qxd3 31.Nxd3 1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "11"]
[White "Juarez Flores, Carlos Armando"]
[Black "Whitehead, Jay"]
[Result "0-1"]
[WhiteElo "2285"]
[BlackElo "2300"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "11"]
[White "Krewi, Nasser"]
[Black "Cools, Gorik"]
[Result "0-1"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "11"]
[White "Kuijf, Hans"]
[Black "Grushka, Carlos"]
[Result "1/2-1/2"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1/2-1/2

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "11"]
[White "Kumar Singh, Promod"]
[Black "Heaven, Peter"]
[Result "1/2-1/2"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1/2-1/2

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "11"]
[White "Morovic Fernandez, Ivan"]
[Black "Minibock, Gunter"]
[Result "1/2-1/2"]
[WhiteElo "2420"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1/2-1/2

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "11"]
[White "Norgaard, Jesper"]
[Black "Ebeling, Mika"]
[Result "1/2-1/2"]
[ECO "C88"]
[EventDate "1981.08.17"]
[PlyCount "20"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.a4 Bb7
9.axb5 axb5 10.Rxa8 Qxa8 1/2-1/2

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "11"]
[White "Prie, Eric"]
[Black "Noble, Mark Frederick"]
[Result "1-0"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "11"]
[White "Rodriguez Cespedes, Jaime"]
[Black "Corral Blanco, Juan Antonio"]
[Result "0-1"]
[ECO "E56"]
[EventDate "1981.08.17"]
[PlyCount "66"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Bd3 d5 6.Nf3 c5 7.O-O Nc6 8.a3 dxc4 
9.axb4 cxb4 10.Bxc4 bxc3 11.bxc3 Qc7 12.Qc2 e5 13.Ba3 Re8 14.Ng5 Nd8 15.
Bd3 h6 16.Ne4 Nxe4 17.Bxe4 Bd7 18.Rfd1 Bb5 19.Bc5 Ne6 20.c4 exd4 21.exd4 
Bc6 22.Bxc6 Qxc6 23.Ba3 Nf4 24.d5 Qd7 25.Re1 Nxg2 26.Rxe8+ Rxe8 27.Kxg2 
Qg4+ 28.Kf1 Qf3 29.Kg1 Re2 30.Qxe2 Qxe2 31.d6 Qg4+ 32.Kh1 h5 33.Re1 h4 0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "11"]
[White "Salov, Valery"]
[Black "Trepp, Markus"]
[Result "1/2-1/2"]
[WhiteElo "2295"]
[BlackElo "2215"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1/2-1/2

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "11"]
[White "Short, Nigel David"]
[Black "Milos, Gilberto"]
[Result "1-0"]
[WhiteElo "2440"]
[ECO "C71"]
[EventDate "1981.08.17"]
[PlyCount "81"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 d6 5.c4 Bg4 6.h3 Bxf3 7.Qxf3 g6 8.Nc3 Bg7
9.Nd5 Ne7 10.d3 h6 11.h4 b5 12.cxb5 Nd4 13.bxa6+ c6 14.Qd1 Nxd5 15.exd5 
Qa5+ 16.Bd2 Qxd5 17.Qg4 O-O 18.Qe4 Qxe4+ 19.dxe4 Rxa6 20.Bd1 Rb8 21.Bc3 
Ne6 22.h5 g5 23.Bc2 d5 24.b3 Nc5 25.Ke2 dxe4 26.g4 Rd8 27.Ke3 Nd3 28.Rhf1 
Nc5 29.a4 Rb6 30.Rfd1 Rxd1 31.Rxd1 Nd3 32.Rb1 Bf8 33.Bxd3 exd3 34.Kxd3 f6 
35.Kc4 Kf7 36.b4 Ke6 37.a5 Rb8 38.Bd2 Bd6 39.Be3 f5 40.gxf5+ Kxf5 41.a6 
1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "11"]
[White "Svenn, Gosta"]
[Black "Fonseca, Jose Luis"]
[Result "1-0"]
[WhiteElo "2240"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "11"]
[White "Tempone, Marcelo"]
[Black "Ehlvest, Jaan"]
[Result "1/2-1/2"]
[WhiteElo "2305"]
[BlackElo "2370"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1/2-1/2

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "11"]
[White "Urbaneja Navarro, Juan Carlos"]
[Black "Martinez, Ibrahim"]
[Result "0-1"]
[ECO "C97"]
[EventDate "1981.08.17"]
[PlyCount "104"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 d6 8.c3 Bg4 
9.d3 O-O 10.Nbd2 Na5 11.Bc2 c5 12.Nf1 Re8 13.h3 Bd7 14.d4 Qc7 15.dxc5 dxc5
16.Ne3 Rad8 17.Qe2 Bc8 18.Nh2 c4 19.Nhg4 Nxg4 20.hxg4 Be6 21.Nd5 Qc8 22.
Nxe7+ Rxe7 23.Bg5 f6 24.Be3 Red7 25.g5 Qc6 26.Rad1 Nb7 27.gxf6 gxf6 28.Qh5
Rg7 29.Rxd8+ Nxd8 30.Rd1 Nf7 31.f3 Kh8 32.Kf1 b4 33.Qh4 b3 34.Bb1 bxa2 35.
Bxa2 Qa4 36.Ra1 Qd7 37.Qf2 Bh3 38.gxh3 Qxh3+ 39.Ke1 Rg2 40.Qf1 Ng5 41.Bxg5
Qg3+ 42.Kd1 Qxg5 43.Qe1 Rg1 44.Bxc4 Qg2 45.Rxa6 Rxe1+ 46.Kxe1 Qxb2 47.Be2 
Qxc3+ 48.Kf2 Kg7 49.Ra7+ Kg6 50.Rd7 Qc5+ 51.Kf1 h5 52.Rd8 Kg5 0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "11"]
[White "Waqar, Mohamed"]
[Black "Rodriguez, Rogerio"]
[Result "1-0"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "12"]
[White "Corral Blanco, Juan Antonio"]
[Black "Kuijf, Hans"]
[Result "1-0"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "12"]
[White "Cvitan, Ognjen"]
[Black "Tempone, Marcelo"]
[Result "1-0"]
[WhiteElo "2430"]
[BlackElo "2305"]
[ECO "A88"]
[EventDate "1981.08.17"]
[PlyCount "51"]

1.d4 f5 2.Nf3 Nf6 3.g3 g6 4.Bg2 Bg7 5.O-O O-O 6.c4 d6 7.Nc3 c6 8.d5 e5 9.
dxe6 Bxe6 10.Qd3 Na6 11.Bf4 Ne8 12.Rac1 Kh8 13.Rfd1 Nc5 14.Qe3 Qb6 15.b3 
Bg8 16.Bh6 Bxh6 17.Qxh6 Nf6 18.Nh4 Bf7 19.Nxf5 Ne6 20.Na4 Qc7 21.Nxd6 Bg8 
22.Qe3 Ng7 23.Bf3 Rad8 24.Qe5 Rd7 25.Nc5 Re7 26.Qc3 1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "12"]
[White "Ehlvest, Jaan"]
[Black "Trepp, Markus"]
[Result "1-0"]
[WhiteElo "2370"]
[BlackElo "2215"]
[ECO "D85"]
[EventDate "1981.08.17"]
[PlyCount "83"]

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.cxd5 Nxd5 6.e4 Nxc3 7.bxc3 c5 8.Be3 
Qa5 9.Qd2 Nc6 10.Rc1 cxd4 11.cxd4 Qxd2+ 12.Kxd2 O-O 13.d5 Rd8 14.Ke1 Na5 
15.Bg5 Bg4 16.h3 Bxf3 17.gxf3 Rac8 18.Rxc8 Rxc8 19.Bd3 h6 20.Be3 Nc4 21.
Ke2 Nxe3 22.fxe3 Bc3 23.f4 f6 24.Rb1 Rc7 25.Rg1 Kf7 26.h4 Rc5 27.Rb1 b6 
28.Bb5 Ba5 29.e5 e6 30.e4 Bc3 31.dxe6+ Kxe6 32.Kd3 Ba5 33.Bc4+ Ke7 34.h5 
fxe5 35.hxg6 b5 36.Bd5 Rc3+ 37.Ke2 Rg3 38.f5 a6 39.Rh1 Bb6 40.Rxh6 Rg2+ 
41.Kf3 Rf2+ 42.Kg3 1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "12"]
[White "Fernandes, Antonio"]
[Black "Hjorth, Gregory"]
[Result "0-1"]
[WhiteElo "2390"]
[BlackElo "2275"]
[ECO "B05"]
[EventDate "1981.08.17"]
[PlyCount "68"]

1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Nf3 Bg4 5.Be2 e6 6.O-O Be7 7.c4 Nb6 8.h3 Bh5 
9.Be3 O-O 10.Nbd2 Nc6 11.exd6 cxd6 12.a3 a5 13.b4 axb4 14.axb4 d5 15.c5 
Rxa1 16.Qxa1 Nc4 17.Nxc4 dxc4 18.Qc3 b5 19.Ne5 Nxe5 20.Bxh5 Nc6 21.Bf3 Qd7
22.Rd1 Bf6 23.Qa3 Nxd4 24.Bxd4 Bxd4 25.c6 Qd6 26.Qa6 c3 27.Qxb5 c2 28.Rc1 
Bxf2+ 29.Kh1 Qd2 30.Qf1 Be3 31.Re1 c1=Q 32.Rxc1 Qxc1 33.Qxc1 Bxc1 34.b5 
Be3 0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "12"]
[White "Fonseca, Jose Luis"]
[Black "Bernal Moro, Luis Javier"]
[Result "1/2-1/2"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1/2-1/2

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "12"]
[White "Font, Joaquim"]
[Black "Heaven, Peter"]
[Result "1-0"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "12"]
[White "Hamilton, Robert"]
[Black "Arlandi, Ennio"]
[Result "1-0"]
[BlackElo "2240"]
[ECO "C07"]
[EventDate "1981.08.17"]
[PlyCount "69"]

1.e4 e6 2.d4 d5 3.Nd2 c5 4.Ngf3 Nc6 5.Bb5 dxe4 6.Nxe4 Qa5+ 7.Nc3 Bd7 8.O-O
Nf6 9.Bg5 Nxd4 10.Nxd4 cxd4 11.Bxf6 Bxb5 12.Nxb5 gxf6 13.Nxd4 O-O-O 14.c3 
Rg8 15.Qf3 Bd6 16.a4 a6 17.b4 Qc7 18.g3 f5 19.a5 f4 20.b5 fxg3 21.fxg3 
Bxg3 22.bxa6 bxa6 23.Qa8+ Kd7 24.Qxa6 Bf4+ 25.Kh1 e5 26.Rad1 Ke8 27.Nc6 
Rc8 28.Na7 Rb8 29.Nb5 Qe7 30.Qc6+ Kf8 31.a6 Be3 32.Rd7 Rg6 33.Qc7 Qe8 34.
Rfxf7+ Kg8 35.Rg7+ 1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "12"]
[White "Hjartarson, Johann"]
[Black "Salov, Valery"]
[Result "1/2-1/2"]
[WhiteElo "2420"]
[BlackElo "2295"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1/2-1/2

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "12"]
[White "Juarez Flores, Carlos Armando"]
[Black "Castaneda Aguilera, Blas"]
[Result "1-0"]
[WhiteElo "2285"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "12"]
[White "Lasar, Yves"]
[Black "Agdestein, Simen"]
[Result "1/2-1/2"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1/2-1/2

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "12"]
[White "Martinez, Ibrahim"]
[Black "Ebeling, Mika"]
[Result "1/2-1/2"]
[ECO "C88"]
[EventDate "1981.08.17"]
[PlyCount "48"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.a4 Bb7
9.c3 d5 10.axb5 axb5 11.Rxa8 Bxa8 12.exd5 Nxd5 13.d3 Bf6 14.Be3 Nxe3 15.
Rxe3 Re8 16.Nbd2 Na5 17.Ba2 c5 18.Qe2 Qd6 19.Ne4 Bxe4 20.Rxe4 Nc6 21.g4 h6
22.d4 cxd4 23.cxd4 Re7 24.dxe5 Nxe5 1/2-1/2

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "12"]
[White "Milos, Gilberto"]
[Black "Huergo Silverio, Jose Ramon"]
[Result "1/2-1/2"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1/2-1/2

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "12"]
[White "Minibock, Gunter"]
[Black "Short, Nigel David"]
[Result "0-1"]
[BlackElo "2440"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "12"]
[White "Moran Nuque, Bernardo"]
[Black "Whitehead, Jay"]
[Result "1-0"]
[BlackElo "2300"]
[ECO "E15"]
[EventDate "1981.08.17"]
[PlyCount "61"]

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Ba6 5.Qc2 c5 6.Bg2 Bb7 7.dxc5 bxc5 8.O-O 
Be7 9.Nc3 d5 10.Ne5 O-O 11.Rd1 Na6 12.Qa4 Bd6 13.Nc6 Qe8 14.Na5 Qxa4 15.
Nxa4 Bc8 16.Nc3 Be5 17.cxd5 Bxc3 18.bxc3 exd5 19.Bg5 Ne4 20.Rxd5 Nxc3 21.
Rd6 Rb8 22.Nc6 Nb5 23.Nxb8 Nxd6 24.Nxa6 Bxa6 25.Be7 Nf5 26.Bxf8 Kxf8 27.
Rc1 c4 28.Bd5 Nd6 29.e4 f6 30.f4 Ke7 31.e5 1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "12"]
[White "Morovic Fernandez, Ivan"]
[Black "Grushka, Carlos"]
[Result "1-0"]
[WhiteElo "2420"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "12"]
[White "Noble, Mark Frederick"]
[Black "Kumar Singh, Promod"]
[Result "0-1"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "12"]
[White "Norgaard, Jesper"]
[Black "Motwani, Paul"]
[Result "1/2-1/2"]
[BlackElo "2260"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1/2-1/2

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "12"]
[White "Siegel, Georg"]
[Black "Rodriguez Cespedes, Jaime"]
[Result "1/2-1/2"]
[WhiteElo "2300"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1/2-1/2

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "12"]
[White "Svenn, Gosta"]
[Black "Prie, Eric"]
[Result "1-0"]
[WhiteElo "2240"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "12"]
[White "Tavarez, Shawn"]
[Black "Rodriguez, Rogerio"]
[Result "1-0"]
[ECO "B22"]
[EventDate "1981.08.17"]
[PlyCount "35"]

1.e4 c5 2.c3 Nc6 3.d4 cxd4 4.cxd4 e6 5.Nf3 Nf6 6.Nc3 Bb4 7.Bd3 Qc7 8.O-O 
O-O 9.e5 Bxc3 10.bxc3 Nd5 11.Bxh7+ Kxh7 12.Ng5+ Kg6 13.Qg4 f5 14.Qg3 f4 
15.Qg4 Kh6 16.Qh4+ Kg6 17.Qh7+ Kxg5 18.h4+ 1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "12"]
[White "Urbaneja Navarro, Juan Carlos"]
[Black "Cools, Gorik"]
[Result "1-0"]
[ECO "C82"]
[EventDate "1981.08.17"]
[PlyCount "105"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Nxe4 6.d4 b5 7.Bb3 d5 8.dxe5 
Be6 9.c3 Nc5 10.Bc2 Bg4 11.Re1 Be7 12.h3 Bh5 13.Nbd2 Qd7 14.Nb3 Ne6 15.Qd3
Bg6 16.Qd1 Bxc2 17.Qxc2 Na7 18.Nfd4 c5 19.Nf5 O-O 20.Nxe7+ Qxe7 21.f4 c4 
22.Nd4 Nxd4 23.cxd4 Nc6 24.Qf2 f5 25.a3 a5 26.Rd1 b4 27.Qc2 Qd7 28.Be3 g6 
29.Bf2 Rfb8 30.Rdb1 Ra7 31.Be3 bxa3 32.Rxa3 Rab7 33.Qc3 Rb3 34.Rxb3 Rxb3 
35.Qc1 Qb7 36.Bd2 Nxd4 37.Kh1 Nc6 38.Bc3 d4 39.Bxd4 Qb5 40.Bc3 a4 41.Ra1 
Ne7 42.Qe1 Nd5 43.e6 Nxc3 44.bxc3 a3 45.Qd1 Qb8 46.e7 Qe8 47.Qd6 a2 48.
Rxa2 Rb1+ 49.Kh2 Re1 50.Ra7 Kf7 51.Qd5+ Re6 52.Rd7 h6 53.Rd6 1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "12"]
[White "Waqar, Mohamed"]
[Black "Krewi, Nasser"]
[Result "1-0"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "13"]
[White "Agdestein, Simen"]
[Black "Martinez, Ibrahim"]
[Result "1-0"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "13"]
[White "Bernal Moro, Luis Javier"]
[Black "Noble, Mark Frederick"]
[Result "1-0"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "13"]
[White "Cools, Gorik"]
[Black "Lasar, Yves"]
[Result "1-0"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "13"]
[White "Ehlvest, Jaan"]
[Black "Corral Blanco, Juan Antonio"]
[Result "1/2-1/2"]
[WhiteElo "2370"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1/2-1/2

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "13"]
[White "Fernandes, Antonio"]
[Black "Norgaard, Jesper"]
[Result "0-1"]
[WhiteElo "2390"]
[ECO "C50"]
[EventDate "1981.08.17"]
[PlyCount "112"]

1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.O-O Nf6 5.Nc3 d6 6.d3 h6 7.Na4 Bb6 8.c3 O-O 
9.b4 Ne7 10.Re1 Ng6 11.d4 Qe7 12.Bb3 c6 13.Nxb6 axb6 14.Be3 Qc7 15.h3 Be6 
16.d5 Bd7 17.Nd2 c5 18.a4 Nh7 19.g4 Ng5 20.Kg2 Qd8 21.Kg3 Nxh3 22.Kxh3 
Qh4+ 23.Kg2 Bxg4 24.f3 Qh3+ 25.Kg1 Qg3+ 26.Kf1 Nh4 27.Ke2 Nxf3 28.Kd3 b5 
29.bxc5 dxc5 30.Kc2 bxa4 31.Ba2 Nd4+ 32.cxd4 Bxd1+ 33.Raxd1 cxd4 34.Nf1 
Qg2+ 35.Bd2 Rfc8+ 36.Kb1 Qf3 37.Bb4 Ra6 38.Nd2 Qd3+ 39.Ka1 Rc2 40.Bb1 Rb6 
41.Bxc2 Qxc2 42.Rc1 Qd3 43.Bc5 Rb5 44.Nb1 Rxb1+ 45.Rxb1 Qc3+ 46.Ka2 Qc2+ 
47.Rb2 Qxc5 48.Reb1 d3 49.Rxb7 d2 50.d6 d1=Q 51.Rxd1 Qc2+ 52.Ka3 Qxd1 53.
d7 Kh7 54.Kb4 Qd6+ 55.Kxa4 h5 56.Kb5 h4 0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "13"]
[White "Fonseca, Jose Luis"]
[Black "Waqar, Mohamed"]
[Result "1/2-1/2"]
[ECO "C75"]
[EventDate "1981.08.17"]
[PlyCount "89"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 d6 5.c3 Bd7 6.O-O Nf6 7.Re1 Be7 8.d4 b5 
9.Bc2 O-O 10.h3 Re8 11.Nbd2 Bf8 12.Nf1 g6 13.Ng3 Bg7 14.Be3 Na5 15.b3 Rc8 
16.Qd2 c5 17.Rad1 Qc7 18.dxe5 dxe5 19.Bg5 Be6 20.Qe3 Red8 21.Kh2 c4 22.b4 
Nc6 23.a4 Rxd1 24.Rxd1 Rd8 25.Rxd8+ Nxd8 26.axb5 axb5 27.Qd2 Nc6 28.Qe3 
Nd7 29.Bh6 Qb6 30.Kg1 Qa6 31.Bxg7 Kxg7 32.Ng5 Nd8 33.Qd2 Qa7 34.Nf5+ gxf5 
35.exf5 Nf6 36.fxe6 Nxe6 37.Nxe6+ fxe6 38.Qg5+ Kf7 39.Qxe5 Qd7 40.Qf4 Ke7 
41.Qg5 Kf7 42.Qf4 Kg7 43.Qg5+ Kf7 44.Qh6 Qa7 45.Qc1 1/2-1/2

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "13"]
[White "Font, Joaquim"]
[Black "Arlandi, Ennio"]
[Result "0-1"]
[BlackElo "2240"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "13"]
[White "Heaven, Peter"]
[Black "Rodriguez, Rogerio"]
[Result "1-0"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "13"]
[White "Hjorth, Gregory"]
[Black "Cvitan, Ognjen"]
[Result "0-1"]
[WhiteElo "2275"]
[BlackElo "2430"]
[ECO "B20"]
[EventDate "1981.08.17"]
[PlyCount "62"]

1.e4 c5 2.b3 Nc6 3.Bb2 d6 4.Bb5 Bd7 5.f4 Nf6 6.Qe2 e6 7.c4 a6 8.Bxc6 Bxc6 
9.Nc3 Qc7 10.Nf3 Be7 11.d4 d5 12.cxd5 exd5 13.e5 Ne4 14.Nd2 cxd4 15.Ncxe4 
dxe4 16.Nxe4 Qa5+ 17.Kf2 Bxe4 18.Qxe4 Qd2+ 19.Qe2 Qxf4+ 20.Qf3 Qd2+ 21.Qe2
Qh6 22.Rad1 Rd8 23.Qe4 d3 24.Rxd3 Rxd3 25.Qxd3 O-O 26.Rd1 Qxh2 27.Qf3 Rc8 
28.Rd2 Qh6 29.Bc3 b5 30.Rd7 b4 31.Bb2 Rc2+ 0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "13"]
[White "Huergo Silverio, Jose Ramon"]
[Black "Salov, Valery"]
[Result "1/2-1/2"]
[BlackElo "2295"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1/2-1/2

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "13"]
[White "Juarez Flores, Carlos Armando"]
[Black "Motwani, Paul"]
[Result "0-1"]
[WhiteElo "2285"]
[BlackElo "2260"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "13"]
[White "Krewi, Nasser"]
[Black "Tavarez, Shawn"]
[Result "0-1"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "13"]
[White "Kuijf, Hans"]
[Black "Milos, Gilberto"]
[Result "1/2-1/2"]
[ECO "C68"]
[EventDate "1981.08.17"]
[PlyCount "19"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Bxc6 dxc6 5.O-O Qd6 6.a4 Nf6 7.Na3 Be6 8.b3 
c5 9.Nc4 Qd7 10.d3 1/2-1/2

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "13"]
[White "Kumar Singh, Promod"]
[Black "Castaneda Aguilera, Blas"]
[Result "1/2-1/2"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1/2-1/2

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "13"]
[White "Prie, Eric"]
[Black "Urbaneja Navarro, Juan Carlos"]
[Result "1-0"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "13"]
[White "Rodriguez Cespedes, Jaime"]
[Black "Grushka, Carlos"]
[Result "0-1"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "13"]
[White "Short, Nigel David"]
[Black "Morovic Fernandez, Ivan"]
[Result "1/2-1/2"]
[WhiteElo "2440"]
[BlackElo "2420"]
[ECO "B45"]
[EventDate "1981.08.17"]
[PlyCount "81"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 Nf6 6.Nxc6 bxc6 7.e5 Nd5 8.Ne4
Qc7 9.f4 Qb6 10.Bd3 Be7 11.Qe2 O-O 12.c4 f5 13.cxd5 fxe4 14.Qxe4 Qb4+ 15.
Qxb4 Bxb4+ 16.Bd2 Bxd2+ 17.Kxd2 Rxf4 18.dxc6 dxc6 19.Ke3 Ra4 20.Rhc1 Bd7 
21.Bc4 Rf8 22.Kd4 Rf4+ 23.Kc5 Kf8 24.b4 Ke7 25.g3 Rf2 26.Bb3 Ra3 27.b5 
cxb5 28.Kb4 Ra6 29.Rc7 Kd8 30.Rac1 Re2 31.R1c5 Rxh2 32.Rb7 Re2 33.Rb8+ Ke7
34.Rb7 Kd8 35.Rb8+ Ke7 36.Rb7 Raxa2 37.Bxa2 Rxa2 38.Rcc7 Rd2 39.Rxa7 h5 
40.Ra8 Rd5 41.Rg8 1/2-1/2

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "13"]
[White "Siegel, Georg"]
[Black "Hamilton, Robert"]
[Result "1-0"]
[WhiteElo "2300"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "13"]
[White "Svenn, Gosta"]
[Black "Ebeling, Mika"]
[Result "1-0"]
[WhiteElo "2240"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "13"]
[White "Tempone, Marcelo"]
[Black "Moran Nuque, Bernardo"]
[Result "1-0"]
[WhiteElo "2305"]
[ECO "A00"]
[EventDate "1981.08.17"]
[PlyCount "0"]

1-0

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "13"]
[White "Trepp, Markus"]
[Black "Hjartarson, Johann"]
[Result "0-1"]
[WhiteElo "2215"]
[BlackElo "2420"]
[ECO "B52"]
[EventDate "1981.08.17"]
[PlyCount "96"]

1.e4 c5 2.Nf3 d6 3.Bb5+ Bd7 4.Bxd7+ Nxd7 5.O-O Ngf6 6.Qe2 e6 7.c4 Be7 8.d4
cxd4 9.Nxd4 O-O 10.Nc3 Re8 11.b3 a6 12.Bb2 Qc7 13.Rac1 Rac8 14.Rfd1 Qb8 
15.Nc2 Ne5 16.Ne3 g5 17.h3 h6 18.Ng4 Nfxg4 19.hxg4 Bf6 20.Rd2 Ng6 21.g3 
Be5 22.Rdc2 Rc6 23.Nd1 Rec8 24.Ne3 Qa7 25.Bxe5 Nxe5 26.Rd1 Qc5 27.Rcd2 b5 
28.cxb5 axb5 29.Rc2 Qxc2 30.Nxc2 Rxc2 31.Qxb5 Rxa2 32.Rxd6 Nxg4 33.Qb6 
Rc1+ 34.Kg2 Rxf2+ 35.Qxf2 Nxf2 36.Kxf2 Rc3 37.Rb6 h5 38.b4 Kg7 39.b5 Rb3 
40.Rb8 h4 41.gxh4 gxh4 42.b6 Rb2+ 43.Kg1 Kf6 44.Rh8 Rxb6 45.Rxh4 Ke5 46.
Kf2 Rb3 47.Ke2 Rc3 48.Kf2 Rc4 0-1

[Event "20th World U20 ch"]
[Site "Mexico City MEX"]
[Date "1981.08.??"]
[Round "13"]
[White "Whitehead, Jay"]
[Black "Minibock, Gunter"]
[Result "1-0"]
[WhiteElo "2300"]
[ECO "D85"]
[EventDate "1981.08.17"]
[PlyCount "51"]

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.cxd5 Nxd5 5.e4 Nxc3 6.bxc3 Bg7 7.Nf3 c5 8.Rb1 
O-O 9.Be2 Bg4 10.Rxb7 Nc6 11.dxc5 Qa5 12.O-O Qxa2 13.Bb5 Ne5 14.Rxe7 Nxf3+
15.gxf3 Bh3 16.Qd5 Qa5 17.c6 Rad8 18.Qc4 Bxf1 19.Qxf1 Qxc3 20.c7 Rc8 21.
Qc4 Qxc4 22.Bxc4 Bf6 23.Rd7 Be5 24.Bh6 Rxc7 25.Bxf7+ Kh8 26.Rxc7 1-0

