[Event "6th Orense it"]
[Site "Orense ESP"]
[Date "1977.01.17"]
[Round "1"]
[White "Tisdall, Jonathan"]
[Black "Castro Rojas, Oscar Humberto"]
[Result "1-0"]
[WhiteElo "2375"]
[BlackElo "2410"]
[ECO "B00"]
[EventDate "1977.01.17"]
[PlyCount "69"]

1.e4 Nc6 2.d4 d5 3.exd5 Qxd5 4.Nf3 Bg4 5.Be2 O-O-O 6.Nc3 Qa5 7.Be3 Nf6 8.
a3 Qf5 9.O-O e5 10.d5 Ne7 11.h3 Bxf3 12.Bxf3 h5 13.Nb5 a6 14.Na7+ Kb8 15.
c4 b6 16.a4 e4 17.Be2 a5 18.b4 Kxa7 19.bxa5 c5 20.axb6+ Kb8 21.Bxc5 Ng6 
22.Bxf8 Nf4 23.Ra3 Rhxf8 24.a5 N6xd5 25.cxd5 Rxd5 26.Qe1 h4 27.a6 Rc5 28.
Ra4 Nxh3+ 29.gxh3 Qxh3 30.Qd2 Qe6 31.Qf4+ Ka8 32.Qxe4+ Qxe4 33.Rxe4 Rc6 
34.Bf3 Kb8 35.a7+ 1-0

[Event "6th Orense it"]
[Site "Orense ESP"]
[Date "1977.??.??"]
[Round "1"]
[White "Browne, Walter Shawn"]
[Black "Durao, Joaquim Manuel"]
[Result "1/2-1/2"]
[WhiteElo "2545"]
[BlackElo "2305"]
[EventDate "1977.01.17"]

1/2-1/2

[Event "6th Orense it"]
[Site "Orense ESP"]
[Date "1977.01.17"]
[Round "1"]
[White "Bello Filgueira, Joaquin"]
[Black "Gheorghiu, Florin"]
[Result "0-1"]
[BlackElo "2545"]
[ECO "B43"]
[EventDate "1977.01.17"]
[PlyCount "100"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Nc3 Qc7 6.g3 Nf6 7.Bg2 Be7 8.O-O 
O-O 9.Kh1 Nc6 10.f4 d6 11.Be3 Bd7 12.Nf3 b5 13.e5 Ng4 $1 ( 13...dxe5 $2 
14.fxe5 Nxe5 15.Bf4 Bd6 16.Nxe5 Bxe5 17.Bxe5 Qxe5 18.Rxf6 $1 Qxf6 19.Bxa8 
$16 ) 14.Bg1 dxe5 15.h3 e4 $1 16.Nxe4 Nf6 17.Ne5 $6 ( 17.Qe2 $1 ) 17...
Nxe5 18.fxe5 ( 18.Nxf6+ Bxf6 19.fxe5 Bxe5 20.Bxa8 Rxa8 $17 ) 18...Nxe4 19.
Bxe4 Rad8 20.Qh5 g6 21.Qf3 Qxe5 22.Bb6 Rc8 23.Rae1 ( 23.c3 $17 ) ( 23.Rad1
Qxe4 24.Rxd7 Qxf3+ 25.Rxf3 $17 ) 23...Qxb2 $19 24.Rd1 Be8 25.Bd4 Qxa2 26.
Rd3 f5 $1 27.Bb7 Rxc2 28.Ra1 Qc4 29.Rxa6 Rc1+ 30.Kg2 Qc2+ $1 31.Bf2 Bc5 $1
32.Rxe6 Bxf2 33.Re2 Bc6 $1 34.Bxc6 Qxc6 35.Kxf2 Qxf3+ 36.Kxf3 Rc7 37.Rd4 
Rb8 38.Rb4 Rc3+ 39.Kg2 Rc4 40.Rb3 Kg7 41.h4 b4 42.Re5 Kf6 43.Ra5 Rb6 44.h5
Kg5 45.hxg6 hxg6 46.Kh3 Rd6 47.Rb5 Rd2 $1 48.Rb1 Rcc2 49.Rh1 Rb2 50.Rb6 
Rd8 $3 0-1

[Event "6th Orense it"]
[Site "Orense ESP"]
[Date "1977.??.??"]
[Round "1"]
[White "Hernandez Onna, Roman"]
[Black "Keene, Raymond Dennis"]
[Result "1/2-1/2"]
[WhiteElo "2435"]
[BlackElo "2510"]
[EventDate "1977.01.17"]

1/2-1/2

[Event "6th Orense it"]
[Site "Orense ESP"]
[Date "1977.??.??"]
[Round "1"]
[White "Pomar Salamanca, Arturo"]
[Black "Sanz Alonso, Francisco Javier"]
[Result "1/2-1/2"]
[WhiteElo "2435"]
[BlackElo "2350"]
[EventDate "1977.01.17"]

1/2-1/2

[Event "6th Orense it"]
[Site "Orense ESP"]
[Date "1977.01.19"]
[Round "1"]
[White "Piasetski, Leon David"]
[Black "Rodriguez Vargas, Orestes"]
[Result "0-1"]
[WhiteElo "2395"]
[BlackElo "2450"]
[ECO "A06"]
[EventDate "1977.01.17"]
[PlyCount "103"]

1.Nf3 d5 2.b3 c5 3.e3 Nf6 4.Bb2 e6 5.c4 Be7 6.cxd5 exd5 7.d4 O-O 8.dxc5 
Bxc5 9.Be2 Nc6 10.O-O Qe7 11.Nc3 Be6 12.Nb5 Ne4 13.Rc1 Rac8 14.Nfd4 Bd7 
15.Nxc6 bxc6 16.Nd4 Bd6 17.Ba6 Rc7 18.Rc2 c5 19.Nf3 Bc6 20.Re1 Re8 21.Bf1 
a5 22.Qc1 Rb8 23.Qa1 f6 24.Nd2 a4 25.Qd1 Nxd2 26.Rxd2 axb3 27.axb3 Rcb7 
28.Rxd5 Bxd5 29.Qxd5+ Kh8 30.Bc4 Rd8 31.Qh5 Be5 32.Bxe5 Qxe5 33.Qxe5 fxe5 
34.Ra1 Rbd7 35.g4 Rd1+ 36.Rxd1 Rxd1+ 37.Kg2 g5 38.Kf3 Kg7 39.Ke4 Kf6 40.
Bb5 Rh1 41.f3 Rxh2 42.Bc6 Ke6 43.Bd5+ Kd6 44.Bf7 Rh3 45.Be8 Ke6 46.Bb5 h5 
47.gxh5 Rh4+ 48.Kd3 Rxh5 49.Bc4+ Kf5 50.Bb5 e4+ 51.fxe4+ Ke5 52.Bd7 0-1

[Event "6th Orense it"]
[Site "Orense ESP"]
[Date "1977.??.??"]
[Round "2"]
[White "Rodriguez Vargas, Orestes"]
[Black "Castro Rojas, Oscar Humberto"]
[Result "1-0"]
[WhiteElo "2450"]
[BlackElo "2410"]
[EventDate "1977.01.17"]

1-0

[Event "6th Orense it"]
[Site "Orense ESP"]
[Date "1977.??.??"]
[Round "2"]
[White "Sanz Alonso, Francisco Javier"]
[Black "Hernandez Onna, Roman"]
[Result "1/2-1/2"]
[WhiteElo "2350"]
[BlackElo "2435"]
[EventDate "1977.01.17"]

1/2-1/2

[Event "6th Orense it"]
[Site "Orense ESP"]
[Date "1977.01.18"]
[Round "2"]
[White "Keene, Raymond Dennis"]
[Black "Bello Filgueira, Joaquin"]
[Result "1-0"]
[WhiteElo "2510"]
[ECO "E73"]
[EventDate "1977.01.17"]
[PlyCount "71"]

1.c4 Nf6 2.Nc3 g6 3.e4 d6 4.d4 Bg7 5.Be2 Nbd7 6.Nf3 O-O 7.O-O c6 8.Re1 Re8
9.e5 dxe5 10.dxe5 Ng4 11.e6 Nde5 12.Nxe5 Nxe5 13.f4 Qb6+ 14.Kh1 Rd8 15.Qc2
Bxe6 16.fxe5 Bxe5 17.Bf1 Qc7 18.g3 Rd4 19.Be3 Bf5 20.Qf2 Rd7 21.Rad1 b6 
22.Bf4 Bxf4 23.Qxf4 Qxf4 24.gxf4 Rad8 25.Rxd7 Rxd7 26.Rd1 Kf8 27.Rxd7 Bxd7
28.Kg2 h6 29.h4 h5 30.Bd3 f5 31.c5 e6 32.cxb6 axb6 33.Na4 b5 34.Nc5 Bc8 
35.Kf3 Ke7 36.Ke3 1-0

[Event "6th Orense it"]
[Site "Orense ESP"]
[Date "1977.01.18"]
[Round "2"]
[White "Gheorghiu, Florin"]
[Black "Browne, Walter Shawn"]
[Result "1/2-1/2"]
[WhiteElo "2545"]
[BlackElo "2545"]
[ECO "A14"]
[EventDate "1977.01.17"]
[Annotator "Gheorghiu,Florin"]
[PlyCount "44"]

1.Nf3 Nf6 2.c4 b6 3.g3 Bb7 4.Bg2 e6 5.O-O Be7 6.b3 ( 6.d4 ) ( 6.Nc3 ) 6...
O-O 7.Bb2 c5 ( 7...d5 $6 8.cxd5 exd5 9.d4 $16 ) 8.Nc3 d5 9.e3 Nc6 10.cxd5 
Nxd5 {'!'} ( 10...exd5 11.d4 $16 ) 11.Nxd5 Qxd5 12.d4 Rad8 13.Ne5 Qd6 {
'=!'} 14.Nxc6 ( 14.dxc5 $5 Qxc5 15.Nd7 $5 Qf5 $1 $13 ( 15...Qg5 16.Rc1 $16
) ( 15...Qb5 16.Qg4 $1 $18 ) ) 14...Bxc6 15.dxc5 Qxd1 16.Rfxd1 Bxg2 17.
Kxg2 Bxc5 18.Kf3 f6 {'=!'} 19.Ke2 e5 20.Rxd8 Rxd8 21.Rc1 ( 21.Rd1 $5 Rxd1 
$140 {e4 =+} ) 21...Kf7 22.Rc4 Ke6 {'='} 1/2-1/2

[Event "6th Orense it"]
[Site "Orense ESP"]
[Date "1977.01.18"]
[Round "2"]
[White "Durao, Joaquim Manuel"]
[Black "Tisdall, Jonathan"]
[Result "0-1"]
[WhiteElo "2305"]
[BlackElo "2375"]
[ECO "B47"]
[EventDate "1977.01.17"]
[PlyCount "58"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 Qc7 6.g3 a6 7.Bg2 d6 8.O-O Bd7
9.a4 Nf6 10.Nde2 Be7 11.b3 O-O 12.Bb2 Rfd8 13.Nf4 Be8 14.Qe2 Rac8 15.Rfd1 
Na5 16.Rd2 Rb8 17.Rad1 b5 18.axb5 axb5 19.Na2 Nc6 20.Nd3 Ra8 21.Nab4 Rac8 
22.Nxc6 Bxc6 23.e5 dxe5 24.Bxc6 Qxc6 25.Nxe5 Qb7 26.Ng4 Ne4 27.Rxd8+ Bxd8 
28.Bd4 Ng5 29.h4 Nf3+ 0-1

[Event "6th Orense it"]
[Site "Orense ESP"]
[Date "1977.??.??"]
[Round "2"]
[White "Piasetski, Leon David"]
[Black "Pomar Salamanca, Arturo"]
[Result "1/2-1/2"]
[WhiteElo "2395"]
[BlackElo "2435"]
[EventDate "1977.01.17"]

1/2-1/2

[Event "6th Orense it"]
[Site "Orense ESP"]
[Date "1977.01.20"]
[Round "3"]
[White "Tisdall, Jonathan"]
[Black "Gheorghiu, Florin"]
[Result "0-1"]
[WhiteElo "2375"]
[BlackElo "2545"]
[ECO "E14"]
[EventDate "1977.01.17"]
[PlyCount "83"]

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.e3 Bb7 5.Bd3 Be7 6.O-O c5 7.b3 cxd4 8.exd4 d5 
9.Bb2 Nc6 10.Nbd2 O-O 11.Rc1 dxc4 12.bxc4 Re8 13.Re1 Rc8 14.Nf1 g6 15.Ne5 
Nxe5 16.dxe5 Nd7 17.Bb1 Bg5 18.Rc3 Nc5 19.Qg4 h5 20.Qg3 Rc7 21.Bc1 Bxc1 
22.Rcxc1 Rd7 23.Qf4 Rd4 24.Qh6 Be4 25.Bxe4 Nxe4 26.Ne3 Qh4 27.g3 Qe7 28.
Rcd1 Rxd1 29.Rxd1 Ng5 30.f4 Qc5 31.Rd3 Nf3+ 32.Kf2 Nxh2 33.Kg2 Ng4 34.Nxg4
hxg4 35.Qg5 Qxc4 36.Rd8 Qe2+ 37.Kh1 Qf1+ 38.Kh2 Qh3+ 39.Kg1 Qxg3+ 40.Kh1 
Qf3+ 41.Kg1 Qe3+ 42.Kh1 0-1

[Event "6th Orense it"]
[Site "Orense ESP"]
[Date "1977.01.20"]
[Round "3"]
[White "Browne, Walter Shawn"]
[Black "Keene, Raymond Dennis"]
[Result "1/2-1/2"]
[WhiteElo "2545"]
[BlackElo "2510"]
[ECO "E15"]
[EventDate "1977.01.17"]
[PlyCount "44"]

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Ba6 5.Nbd2 Bb7 6.Bg2 c5 7.O-O Be7 8.e4 O-O 
9.d5 exd5 10.cxd5 d6 11.Re1 Nbd7 12.Nc4 b5 13.Ne3 Re8 14.Nf5 Bf8 15.Qc2 c4
16.Bg5 h6 17.Bxf6 Qxf6 18.a4 a6 19.axb5 axb5 20.Rxa8 Bxa8 21.N3d4 Bxd5 22.
Nxb5 Bb7 1/2-1/2

[Event "6th Orense it"]
[Site "Orense ESP"]
[Date "1977.??.??"]
[Round "3"]
[White "Bello Filgueira, Joaquin"]
[Black "Sanz Alonso, Francisco Javier"]
[Result "0-1"]
[BlackElo "2350"]
[EventDate "1977.01.17"]

0-1

[Event "6th Orense it"]
[Site "Orense ESP"]
[Date "1977.01.20"]
[Round "3"]
[White "Hernandez Onna, Roman"]
[Black "Piasetski, Leon David"]
[Result "1-0"]
[WhiteElo "2435"]
[BlackElo "2395"]
[ECO "A42"]
[EventDate "1977.01.17"]
[PlyCount "57"]

1.d4 g6 2.c4 Bg7 3.Nc3 d6 4.Nf3 Nd7 5.g3 e5 6.Bg2 Ne7 7.O-O O-O 8.e4 exd4 
9.Nxd4 Ne5 10.b3 N7c6 11.Nde2 g5 12.f3 g4 13.fxg4 Bxg4 14.h3 Be6 15.Be3 
Qd7 16.Kh2 f5 17.Qd2 fxe4 18.Nxe4 Kh8 19.Nf4 Nf7 20.Rad1 Bf5 21.Nd5 Nfe5 
22.Bg5 Bxe4 23.Bxe4 Nd4 24.Kg2 Ne6 25.Bf6 Kg8 26.Ne7+ Kf7 27.Bxe5+ Kxe7 
28.Bxg7 Nxg7 29.Qg5+ 1-0

[Event "6th Orense it"]
[Site "Orense ESP"]
[Date "1977.??.??"]
[Round "3"]
[White "Pomar Salamanca, Arturo"]
[Black "Rodriguez Vargas, Orestes"]
[Result "1/2-1/2"]
[WhiteElo "2435"]
[BlackElo "2450"]
[EventDate "1977.01.17"]

1/2-1/2

[Event "6th Orense it"]
[Site "Orense ESP"]
[Date "1977.??.??"]
[Round "3"]
[White "Castro Rojas, Oscar Humberto"]
[Black "Durao, Joaquim Manuel"]
[Result "1-0"]
[WhiteElo "2410"]
[BlackElo "2305"]
[EventDate "1977.01.17"]

1-0

[Event "6th Orense it"]
[Site "Orense ESP"]
[Date "1977.??.??"]
[Round "4"]
[White "Rodriguez Vargas, Orestes"]
[Black "Durao, Joaquim Manuel"]
[Result "1/2-1/2"]
[WhiteElo "2450"]
[BlackElo "2305"]
[EventDate "1977.01.17"]

1/2-1/2

[Event "6th Orense it"]
[Site "Orense ESP"]
[Date "1977.01.21"]
[Round "4"]
[White "Sanz Alonso, Francisco Javier"]
[Black "Browne, Walter Shawn"]
[Result "0-1"]
[WhiteElo "2350"]
[BlackElo "2545"]
[ECO "A26"]
[EventDate "1977.01.17"]
[PlyCount "67"]

1.c4 e5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 6.Rb1 f5 7.e3 Nf6 8.b4 a6 9.
Nge2 O-O 10.O-O Kh8 11.a4 g5 12.b5 axb5 13.axb5 Ne7 14.f4 h6 15.Bd2 Ng6 
16.Qc2 Re8 17.h3 Re7 18.Kh2 Qe8 19.Rbe1 Rb8 20.e4 gxf4 21.gxf4 Nh4 22.Bh1 
Nh5 23.Nd5 Rf7 24.exf5 Bxf5 25.Bc3 Qd7 26.Ng1 c6 27.Qd1 Bg6 28.Qg4 Qxg4 
29.hxg4 Bxd3 30.gxh5 Bxf1 31.Ne3 Bd3 32.Rd1 e4 33.Bxg7+ Kxg7 34.Ra1 0-1

[Event "6th Orense it"]
[Site "Orense ESP"]
[Date "1977.01.21"]
[Round "4"]
[White "Keene, Raymond Dennis"]
[Black "Tisdall, Jonathan"]
[Result "1-0"]
[WhiteElo "2510"]
[BlackElo "2375"]
[ECO "A28"]
[EventDate "1977.01.17"]
[PlyCount "59"]

1.c4 Nf6 2.Nc3 e5 3.Nf3 Nc6 4.e3 Bb4 5.Qc2 Bxc3 6.Qxc3 Qe7 7.a3 a5 8.b4 d6
9.Bb2 Bg4 10.b5 Bxf3 11.gxf3 Nd4 12.O-O-O Nxf3 13.Bg2 e4 14.Bxf3 exf3 15.
Rhg1 Ne4 16.Qxg7 Rf8 17.Qd4 Qe6 18.d3 Nc5 19.Qf6 Qxf6 20.Bxf6 c6 21.bxc6 
bxc6 22.Kc2 Kd7 23.Rg3 Ke6 24.Rxf3 d5 25.Bd4 Nd7 26.Rh3 dxc4 27.dxc4 c5 
28.Bc3 Nb6 29.Rh4 f6 30.Rb1 1-0

[Event "6th Orense it"]
[Site "Orense ESP"]
[Date "1977.01.21"]
[Round "4"]
[White "Gheorghiu, Florin"]
[Black "Castro Rojas, Oscar Humberto"]
[Result "1-0"]
[WhiteElo "2545"]
[BlackElo "2410"]
[ECO "D07"]
[EventDate "1977.01.17"]
[PlyCount "75"]

1.d4 d5 2.c4 Nc6 3.Nc3 e5 4.cxd5 Nxd4 5.e3 Nf5 6.Nf3 Bd6 7.Bb5+ Kf8 8.O-O 
Nf6 9.e4 Ne7 10.Nd2 g5 11.Nc4 Rg8 12.Qf3 Rg6 13.Bxg5 Nfxd5 14.Nxd5 Rxg5 
15.Nf6 Rg6 16.Rfd1 Nc6 17.Nxh7+ Kg8 18.Bxc6 Bg4 19.Nf6+ Qxf6 20.Qxf6 Rxf6 
21.Bxb7 Rb8 22.f3 Bc5+ 23.Kh1 Rxf3 24.Rd5 Bd4 25.Nxe5 Bxb2 26.Nxg4 Rf4 27.
Rb1 Rxb7 28.h3 Rb6 29.e5 Bxe5 30.Rc1 Rc6 31.Re1 Bc3 32.Re2 Kg7 33.g3 Rb4 
34.Rd7 Rb2 35.Ree7 Bd4 36.Rxf7+ Kg6 37.Rf1 Rxa2 38.Rxd4 1-0

[Event "6th Orense it"]
[Site "Orense ESP"]
[Date "1977.??.??"]
[Round "4"]
[White "Pomar Salamanca, Arturo"]
[Black "Hernandez Onna, Roman"]
[Result "1/2-1/2"]
[WhiteElo "2435"]
[BlackElo "2435"]
[EventDate "1977.01.17"]

1/2-1/2

[Event "6th Orense it"]
[Site "Orense ESP"]
[Date "1977.??.??"]
[Round "4"]
[White "Piasetski, Leon David"]
[Black "Bello Filgueira, Joaquin"]
[Result "1-0"]
[WhiteElo "2395"]
[EventDate "1977.01.17"]

1-0

[Event "6th Orense it"]
[Site "Orense ESP"]
[Date "1977.01.23"]
[Round "5"]
[White "Tisdall, Jonathan"]
[Black "Sanz Alonso, Francisco Javier"]
[Result "0-1"]
[WhiteElo "2375"]
[BlackElo "2350"]
[ECO "C48"]
[EventDate "1977.01.17"]
[PlyCount "112"]

1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 d6 5.Bxc6+ bxc6 6.d4 exd4 7.Qxd4 c5 8.
Qd3 Be7 9.Bf4 O-O 10.O-O-O Rb8 11.e5 Nh5 12.Bg3 Nxg3 13.hxg3 h6 14.Nd5 Be6
15.b3 Bxd5 16.Qxd5 Qc8 17.Qe4 Re8 18.Rhe1 Bf8 19.Qc4 a5 20.Re4 Rb4 21.Qd3 
Qa8 22.Rxb4 axb4 23.exd6 cxd6 24.Kb1 g6 25.c4 bxc3 26.Qxc3 Bg7 27.Qd2 Rb8 
28.Qc2 Qa3 29.Rd2 Qb4 30.Kc1 Rd8 31.Qc4 Qa3+ 32.Kd1 Re8 33.Qc2 Bf8 34.g4 
Qa8 35.Re2 Rd8 36.Ke1 d5 37.Kf1 Qc8 38.Ne5 Bg7 39.Nd3 c4 40.bxc4 dxc4 41.
Ne1 c3 42.Qe4 Qa6 43.Kg1 Rd2 44.Qe8+ Kh7 45.Re7 Qxa2 46.Rxf7 Re2 47.Re7 
Rxe7 48.Qxe7 Qb1 49.Qe2 c2 50.Qxc2 Qxe1+ 51.Kh2 Qe5+ 52.Kg1 Qc3 53.Qe2 
Qa1+ 54.Qf1 g5 55.g3 Kg6 56.Qxa1 Bxa1 0-1

[Event "6th Orense it"]
[Site "Orense ESP"]
[Date "1977.01.23"]
[Round "5"]
[White "Browne, Walter Shawn"]
[Black "Piasetski, Leon David"]
[Result "1-0"]
[WhiteElo "2545"]
[BlackElo "2395"]
[ECO "A40"]
[EventDate "1977.01.17"]
[PlyCount "83"]

1.d4 e6 2.c4 b6 3.Nf3 Bb7 4.g3 Bb4+ 5.Bd2 Bxf3 6.exf3 Bxd2+ 7.Qxd2 Ne7 8.
d5 O-O 9.Nc3 c5 10.Bd3 exd5 11.cxd5 d6 12.O-O Nd7 13.f4 Nf6 14.Rfe1 a6 15.
a4 Ra7 16.Re3 h6 17.Bc2 Qc8 18.Rae1 Nf5 19.Bxf5 Qxf5 20.Re7 Rxe7 21.Rxe7 
Qc8 22.Qe2 c4 23.Qe3 Qd8 24.Rb7 Nd7 25.Ne4 Nc5 26.Nxc5 bxc5 27.Qe4 Re8 28.
Qxc4 Qa5 29.Kg2 Qe1 30.Qd3 g6 31.f5 g5 32.Ra7 g4 33.f6 Qe5 34.Rxa6 Qxf6 
35.Rb6 Re5 36.a5 Rf5 37.Qe3 Rf3 38.Rb8+ Kg7 39.Qe2 Qf5 40.Re8 Qxd5 41.Qe4 
Qd2 42.Qxg4+ 1-0

[Event "6th Orense it"]
[Site "Orense ESP"]
[Date "1977.??.??"]
[Round "5"]
[White "Bello Filgueira, Joaquin"]
[Black "Pomar Salamanca, Arturo"]
[Result "0-1"]
[BlackElo "2435"]
[EventDate "1977.01.17"]

0-1

[Event "6th Orense it"]
[Site "Orense ESP"]
[Date "1977.??.??"]
[Round "5"]
[White "Hernandez Onna, Roman"]
[Black "Rodriguez Vargas, Orestes"]
[Result "1/2-1/2"]
[WhiteElo "2435"]
[BlackElo "2450"]
[EventDate "1977.01.17"]

1/2-1/2

[Event "6th Orense it"]
[Site "Orense ESP"]
[Date "1977.01.23"]
[Round "5"]
[White "Durao, Joaquim Manuel"]
[Black "Gheorghiu, Florin"]
[Result "0-1"]
[WhiteElo "2305"]
[BlackElo "2545"]
[ECO "A45"]
[EventDate "1977.01.17"]
[PlyCount "80"]

1.d4 Nf6 2.Bg5 c5 3.Bxf6 gxf6 4.d5 Qb6 5.Qc1 f5 6.e3 Bg7 7.c3 Na6 8.Na3 
Nc7 9.Nc4 Qf6 10.Qd2 b5 11.d6 bxc4 12.dxc7 Qe6 13.Nh3 Ba6 14.Nf4 Qc6 15.
Qc2 ( 15.O-O-O Qxc7 16.Qd5 O-O 17.Qxf5 ) 15...e6 16.Be2 ( 16.O-O-O Qxc7 
17.Qa4 Qc6 18.Qxc6 dxc6 ) 16...Rc8 17.Nh5 Be5 18.f4 Bxc7 19.Bf3 d5 20.Qf2 
Bd8 21.Qg3 Qd6 22.O-O-O Qf8 23.Bxd5 exd5 24.Rxd5 Qh6 25.Rhd1 Qg6 26.Ng7+ 
Kf8 27.Nxf5 Bf6 28.e4 Qxg3 29.hxg3 Be7 30.Rd7 Re8 31.Rc7 Bb5 32.Rxa7 Rg8 
33.a4 Bc6 34.e5 Rg6 35.a5 Re6 36.Ne3 Bb5 37.Nd5 Bd8 38.Rb7 Ba4 39.Rh1 ( 
39.Rd2 Bxa5 ( 39...Ra6 40.Ne3 Rxa5 41.Nxc4 ) 40.Ra7 ) 39...Bc6 40.f5 Bxb7 
0-1

[Event "6th Orense it"]
[Site "Orense ESP"]
[Date "1977.??.??"]
[Round "5"]
[White "Castro Rojas, Oscar Humberto"]
[Black "Keene, Raymond Dennis"]
[Result "1/2-1/2"]
[WhiteElo "2410"]
[BlackElo "2510"]
[EventDate "1977.01.17"]

1/2-1/2

[Event "6th Orense it"]
[Site "Orense ESP"]
[Date "1977.??.??"]
[Round "6"]
[White "Rodriguez Vargas, Orestes"]
[Black "Gheorghiu, Florin"]
[Result "1/2-1/2"]
[WhiteElo "2450"]
[BlackElo "2545"]
[EventDate "1977.01.17"]

1/2-1/2

[Event "6th Orense it"]
[Site "Orense ESP"]
[Date "1977.??.??"]
[Round "6"]
[White "Sanz Alonso, Francisco Javier"]
[Black "Castro Rojas, Oscar Humberto"]
[Result "1-0"]
[WhiteElo "2350"]
[BlackElo "2410"]
[EventDate "1977.01.17"]

1-0

[Event "6th Orense it"]
[Site "Orense ESP"]
[Date "1977.??.??"]
[Round "6"]
[White "Keene, Raymond Dennis"]
[Black "Durao, Joaquim Manuel"]
[Result "1/2-1/2"]
[WhiteElo "2510"]
[BlackElo "2305"]
[EventDate "1977.01.17"]

1/2-1/2

[Event "6th Orense it"]
[Site "Orense ESP"]
[Date "1977.??.??"]
[Round "6"]
[White "Hernandez Onna, Roman"]
[Black "Bello Filgueira, Joaquin"]
[Result "1-0"]
[WhiteElo "2435"]
[EventDate "1977.01.17"]

1-0

[Event "6th Orense it"]
[Site "Orense ESP"]
[Date "1977.??.??"]
[Round "6"]
[White "Pomar Salamanca, Arturo"]
[Black "Browne, Walter Shawn"]
[Result "1/2-1/2"]
[WhiteElo "2435"]
[BlackElo "2545"]
[EventDate "1977.01.17"]

1/2-1/2

[Event "6th Orense it"]
[Site "Orense ESP"]
[Date "1977.??.??"]
[Round "6"]
[White "Piasetski, Leon David"]
[Black "Tisdall, Jonathan"]
[Result "1/2-1/2"]
[WhiteElo "2395"]
[BlackElo "2375"]
[EventDate "1977.01.17"]

1/2-1/2

[Event "6th Orense it"]
[Site "Orense ESP"]
[Date "1977.??.??"]
[Round "7"]
[White "Tisdall, Jonathan"]
[Black "Pomar Salamanca, Arturo"]
[Result "1/2-1/2"]
[WhiteElo "2375"]
[BlackElo "2435"]
[EventDate "1977.01.17"]

1/2-1/2

[Event "6th Orense it"]
[Site "Orense ESP"]
[Date "1977.01.25"]
[Round "7"]
[White "Browne, Walter Shawn"]
[Black "Hernandez Onna, Roman"]
[Result "1/2-1/2"]
[WhiteElo "2545"]
[BlackElo "2435"]
[ECO "D34"]
[EventDate "1977.01.17"]
[PlyCount "126"]

1.d4 d5 2.c4 e6 3.Nc3 c5 4.cxd5 exd5 5.Nf3 Nc6 6.g3 Nf6 7.Bg2 Be7 8.O-O 
O-O 9.b3 Ne4 10.Bb2 Bf6 11.Na4 cxd4 12.Nxd4 Bd7 13.Rc1 Re8 14.Nc5 Nxd4 15.
Bxd4 Bc6 16.e3 Qe7 17.Qd3 h5 18.h4 Rad8 19.Rfd1 g5 20.hxg5 Bxd4 21.Qxd4 
Qxg5 22.Nxe4 dxe4 23.Qxa7 h4 24.gxh4 Qxh4 25.Qc5 Qg4 26.Rd6 Kh7 27.Rxd8 
Rxd8 28.Qe5 Kg8 29.Qg3 Qxg3 30.fxg3 Rd3 31.Rc4 f5 32.g4 Bd5 33.Rb4 Rxe3 
34.gxf5 Re2 35.Kf1 Rxa2 36.Bxe4 Bxe4 37.Rxe4 Kf7 38.Rb4 Kf6 39.Rb5 b6 40.
Ke1 Rb2 41.Kf1 Kg5 42.Ke1 Kf6 43.Kd1 Rf2 44.Rxb6+ Kxf5 45.Rd6 Ke5 46.Rd8 
Rb2 47.Rd3 Ke6 48.Kc1 Rh2 49.Rd8 Rg2 50.Kb1 Rh2 51.Rd1 Rg2 52.Ka1 Rh2 53.
Rd4 Ke5 54.Rd7 Ke6 55.Rd8 Rg2 56.Kb1 Rh2 57.Rd3 Rg2 58.Kc1 Rh2 59.Rd8 Rg2 
60.b4 Rg4 61.Rb8 Kd7 62.Kc2 Kc7 63.Rb5 Rg3 1/2-1/2

[Event "6th Orense it"]
[Site "Orense ESP"]
[Date "1977.??.??"]
[Round "7"]
[White "Bello Filgueira, Joaquin"]
[Black "Rodriguez Vargas, Orestes"]
[Result "0-1"]
[BlackElo "2450"]
[EventDate "1977.01.17"]

0-1

[Event "6th Orense it"]
[Site "Orense ESP"]
[Date "1977.??.??"]
[Round "7"]
[White "Gheorghiu, Florin"]
[Black "Keene, Raymond Dennis"]
[Result "1/2-1/2"]
[WhiteElo "2545"]
[BlackElo "2510"]
[EventDate "1977.01.17"]

1/2-1/2

[Event "6th Orense it"]
[Site "Orense ESP"]
[Date "1977.01.25"]
[Round "7"]
[White "Durao, Joaquim Manuel"]
[Black "Sanz Alonso, Francisco Javier"]
[Result "1-0"]
[WhiteElo "2305"]
[BlackElo "2350"]
[ECO "B33"]
[EventDate "1977.01.17"]
[PlyCount "69"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e5 6.Ndb5 d6 7.Bg5 a6 8.Na3 
b5 9.Bxf6 gxf6 10.Nd5 f5 11.Qd3 f4 12.g3 Bg7 13.c3 O-O 14.Nc2 Bh6 15.Qf3 
Be6 16.gxf4 exf4 17.Qh5 Bg7 18.Rg1 Ne5 19.O-O-O Ng6 20.Be2 Ra7 21.Nd4 Rb7 
22.Nf5 Re8 23.Rd3 Bxd5 24.Rh3 Qf6 25.Nxg7 Qxg7 26.Qxd5 Rb6 27.Rg5 b4 28.
Rgh5 bxc3 29.Rxh7 cxb2+ 30.Kb1 Qf6 31.Bc4 Rf8 32.Qf5 Qxf5 33.exf5 Ne5 34.
f6 Ng6 35.Rg7# 1-0

[Event "6th Orense it"]
[Site "Orense ESP"]
[Date "1977.??.??"]
[Round "7"]
[White "Castro Rojas, Oscar Humberto"]
[Black "Piasetski, Leon David"]
[Result "1/2-1/2"]
[WhiteElo "2410"]
[BlackElo "2395"]
[EventDate "1977.01.17"]

1/2-1/2

[Event "6th Orense it"]
[Site "Orense ESP"]
[Date "1977.??.??"]
[Round "8"]
[White "Rodriguez Vargas, Orestes"]
[Black "Keene, Raymond Dennis"]
[Result "1/2-1/2"]
[WhiteElo "2450"]
[BlackElo "2510"]
[EventDate "1977.01.17"]

1/2-1/2

[Event "6th Orense it"]
[Site "Orense ESP"]
[Date "1977.??.??"]
[Round "8"]
[White "Sanz Alonso, Francisco Javier"]
[Black "Gheorghiu, Florin"]
[Result "1/2-1/2"]
[WhiteElo "2350"]
[BlackElo "2545"]
[EventDate "1977.01.17"]

1/2-1/2

[Event "6th Orense it"]
[Site "Orense ESP"]
[Date "1977.??.??"]
[Round "8"]
[White "Bello Filgueira, Joaquin"]
[Black "Browne, Walter Shawn"]
[Result "0-1"]
[BlackElo "2545"]
[EventDate "1977.01.17"]

0-1

[Event "6th Orense it"]
[Site "Orense ESP"]
[Date "1977.??.??"]
[Round "8"]
[White "Hernandez Onna, Roman"]
[Black "Tisdall, Jonathan"]
[Result "1/2-1/2"]
[WhiteElo "2435"]
[BlackElo "2375"]
[EventDate "1977.01.17"]

1/2-1/2

[Event "6th Orense it"]
[Site "Orense ESP"]
[Date "1977.01.??"]
[Round "8"]
[White "Pomar Salamanca, Arturo"]
[Black "Castro Rojas, Oscar Humberto"]
[Result "1/2-1/2"]
[WhiteElo "2435"]
[BlackElo "2410"]
[ECO "D02"]
[EventDate "1977.01.17"]
[Annotator "Castro,Oscar"]
[PlyCount "126"]

1.Nf3 d5 2.d4 Bg4 3.g3 {[Una jugada extravagante para apoyar la anterior. 
El hecho se explica por dos detalles: mi profundo desconocimiento de las 
l�neas te�ricas y que en esta partida concretamente sal� dispuesto a todo 
menos a hacer tablas. ]} 3...Nc6 4.Bg2 Qd7 5.h3 Bf5 6.b3 Nb4 $6 {
[Continuando con "el plan". ]} 7.Na3 ( {No es la �nica} 7.Ne5 Qe6 ( {Si} 
7...Nxc2+ 8.Kf1 Qe6 9.e4 Nxa1 10.exf5 Qxf5 11.Na3 f6 12.Ng4 $1 e6 13.Ne3 {
, seguido de 14. Ab2, atrapando el caballo.} ) 8.Nd3 {era una defensa 
original y en favor del blanco.} ) 7...f6 8.Bb2 Be4 9.O-O g5 $5 10.c3 Na6 
11.c4 c6 {[Esta era toda la idea de las elucubraciones negras con el 
caballo: sostener firmemente el centro, seg�n mandan los cl�sicos, y ver 
qu� pasa en el flanco de rey. ]} 12.Nb1 {[Retorna el caballo. ]} 12...h5 
13.Nc3 Bf5 {[Retorna el alfil. ]} 14.cxd5 cxd5 15.h4 ( {A} 15.Kh2 {, 
seguir�a con fuerza} 15...h4 {, amenazando capturar el pe�n con el alfil. 
Si} 16.gxh4 ( {Y si} 16.g4 Bxg4 $1 17.hxg4 h3 18.Bh1 ( {Si} 18.Bxh3 Qxg4 
19.Ng1 Qf4+ 20.Kh1 g4 {tambi�n lo es.} ) 18...Nh6 {es decisivo.} ) 16...g4
) 15...O-O-O {[?A d�nde m�s esconderse con el rey? ]} 16.Nxd5 $1 Be4 $1 {
[Si ahora el blanco retira el caballo de d5, el negro juega 17. ..Axf3 y 
18...gxh4, abriendo por fin la posici�n del rey blanco. ]} ( {En caso de} 
16...Qxd5 17.Nxg5 Qd7 18.Nf7 {y dejaba al blanco con ventaja material, dos
fuertes alfiles y ataque.} ) 17.Rc1+ Kb8 18.Ne5 fxe5 19.Bxe4 e6 20.dxe5 $6
( {Con poco tiempo, Pomar no ve la maniobra} 20.Ne3 exd4 21.Nc4 {con las 
fuertes amenazas Ce5 y Ca5. Por ejemplo, si} 21...Nc5 22.Ne5 Qg7 23.Bxd4 
$1 Nxe4 24.Bxa7+ Kxa7 25.Qxd8 Qxe5 26.Rc8 {con ataque de mate.} ) 20...
exd5 21.Qc2 ( {Acompańada de oferta de tablas que yo rechac� sin meditar.
En lugar de 21. Dc2, el blanco pudo recuperar la pieza con} 21.e6 Qxe6 22.
Bb1 Nf6 23.hxg5 Bg7 24.gxf6 Bxf6 25.Bxf6 Qxf6 {, con ataque que compensa 
ampliamente el pe�n de menos.} ) 21...Ne7 ( {Tomar la segunda pieza} 21...
dxe4 22.Rfd1 Qe8 23.Rxd8+ Qxd8 24.e6 {con las amenazas Ae5+ y Axh8 era muy
peligroso.} ) 22.e6 Qxe6 23.Bxh8 dxe4 24.Rfd1 Nd5 25.Bf6 $1 Re8 26.Bxg5 
Ba3 27.Qc4 $1 {[Probablemente la �nica con chance. ]} 27...Bxc1 28.Qxd5 ( 
{Si} 28.Rxd5 {,} 28...Bxg5 {, defiende el jaque en d8.} ) 28...Bxg5 29.
Qxg5 Rc8 30.Qxh5 Nb4 31.Qa5 Qe7 32.Qg5 Qc7 33.h5 Nxa2 34.h6 a6 35.Rd4 {
[Con idea de forzar el cambio de torres. ]} 35...Qb6 36.Rxe4 Nc3 37.Re3 
Qxb3 38.Qe5+ Ka7 39.Kg2 $2 Qd5+ 40.Qxd5 Nxd5 41.Re5 Nf6 42.Rf5 Ng4 ( {La 
jugada sellada. Era muy aparente} 42...Rc6 43.Kf3 b5 44.g4 $14 ) 43.h7 Rh8
44.Rf7 a5 45.f4 a4 46.Kf3 Nh2+ 47.Ke4 Nf1 48.Kd4 Nxg3 49.Kc4 Nxe2 50.Kb4 
Kb6 51.Kxa4 Nc3+ 52.Kb4 Nd5+ 53.Kc4 Kc6 54.f5 Nb6+ 55.Kd4 Nd7 56.Rg7 Kd6 
57.Rg6+ Ke7 58.Rg7+ Kd6 59.Rg6+ Kc7 60.Rg7 Kc6 61.Rg6+ Kb5 $6 62.Rg7 Nc5 
63.f6 ( 63.Kd5 $1 ) 63...Kc6 {[Notas: Oscar Castro. Revista AJEDREZ 6000. 
(Marzo 1977, n�mero 68, p�ginas 96-102).} 1/2-1/2

[Event "6th Orense it"]
[Site "Orense ESP"]
[Date "1977.??.??"]
[Round "8"]
[White "Piasetski, Leon David"]
[Black "Durao, Joaquim Manuel"]
[Result "0-1"]
[WhiteElo "2395"]
[BlackElo "2305"]
[EventDate "1977.01.17"]

0-1

[Event "6th Orense it"]
[Site "Orense ESP"]
[Date "1977.??.??"]
[Round "9"]
[White "Tisdall, Jonathan"]
[Black "Bello Filgueira, Joaquin"]
[Result "1-0"]
[WhiteElo "2375"]
[EventDate "1977.01.17"]

1-0

[Event "6th Orense it"]
[Site "Orense ESP"]
[Date "1977.01.??"]
[Round "9"]
[White "Browne, Walter Shawn"]
[Black "Rodriguez Vargas, Orestes"]
[Result "1/2-1/2"]
[WhiteElo "2545"]
[BlackElo "2450"]
[ECO "E19"]
[EventDate "1977.01.17"]
[PlyCount "49"]

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 Be7 6.O-O O-O 7.Nc3 Ne4 8.Qc2 
Nxc3 9.Qxc3 c5 10.Rd1 Bf6 11.Qd3 Nc6 12.dxc5 bxc5 13.Qxd7 Qb6 14.Bf4 Rac8 
15.Qd3 Rfd8 16.Qb3 Na5 17.Qxb6 axb6 18.Rxd8+ Rxd8 19.Nd2 Bxb2 20.Rb1 Bc3 
21.Bxb7 Bxd2 22.Bxd2 Rxd2 23.Rxb6 Rxa2 24.Be4 g6 25.Rb5 1/2-1/2

[Event "6th Orense it"]
[Site "Orense ESP"]
[Date "1977.01.??"]
[Round "9"]
[White "Keene, Raymond Dennis"]
[Black "Sanz Alonso, Francisco Javier"]
[Result "1-0"]
[WhiteElo "2510"]
[BlackElo "2350"]
[ECO "A71"]
[EventDate "1977.01.17"]
[PlyCount "93"]

1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Nf3 Bg7 8.Bg5 h6 
9.Bh4 O-O 10.Nd2 a6 11.a4 Nbd7 12.Be2 Rb8 13.O-O Re8 14.h3 Qc7 15.Bg3 Ne5 
16.f4 Ned7 17.Kh1 c4 18.Bxc4 Nc5 19.e5 Nfd7 20.Rc1 Qa5 21.e6 fxe6 22.dxe6 
Nxe6 23.f5 gxf5 24.Nb3 Qd8 25.Bxd6 Nb6 26.Be2 Ra8 27.a5 Nd4 28.Bh5 Qxd6 
29.Bxe8 Be6 30.Nxd4 Qxd4 31.Qxd4 Bxd4 32.axb6 Rxe8 33.Rfe1 Kf7 34.Nd5 Bxd5
35.Rxe8 Kxe8 36.Rd1 Bxg2+ 37.Kxg2 Bxb6 38.Rd6 Bd8 39.Rxh6 b6 40.Kf3 Kf7 
41.Rc6 a5 42.Kf4 Ke8 43.Kxf5 Kd7 44.Rc4 Be7 45.h4 b5 46.Rd4+ Kc6 47.h5 1-0

[Event "6th Orense it"]
[Site "Orense ESP"]
[Date "1977.01.??"]
[Round "9"]
[White "Gheorghiu, Florin"]
[Black "Piasetski, Leon David"]
[Result "0-1"]
[WhiteElo "2545"]
[BlackElo "2395"]
[ECO "B33"]
[EventDate "1977.01.17"]
[PlyCount "74"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 Nf6 6.Ndb5 d6 7.Bf4 e5 8.Bg5 
a6 9.Na3 b5 10.Bxf6 gxf6 11.Nd5 f5 12.exf5 Bxf5 13.c3 Bg7 14.Nc2 O-O 15.
Nce3 Be6 16.g4 Ne7 17.Bg2 Rc8 18.h4 Nxd5 19.Bxd5 Qf6 20.Qd2 e4 21.Bxe4 b4 
22.cxb4 Qxb2 23.Qxb2 Bxb2 24.Rd1 Bc3+ 25.Kf1 Bxb4 26.Bd5 ( 26.Nd5 ) ( 26.
Kg2 ) 26...Rc3 27.Kg2 Bc5 28.Rhe1 Rb8 29.Rd2 Rb4 30.Bf3 Ra3 31.Nf5 ( 31.
Kg3 ) 31...Rf4 32.Bd1 h5 33.Rg1 ( 33.Ne7+ Kg7 34.Nf5+ Kg6 35.Nxd6 hxg4 ) 
33...hxg4 34.Nxd6 Rxa2 35.Rxa2 Bxa2 36.Nc8 Be6 37.Kg3 Rf6 0-1

[Event "6th Orense it"]
[Site "Orense ESP"]
[Date "1977.??.??"]
[Round "9"]
[White "Durao, Joaquim Manuel"]
[Black "Pomar Salamanca, Arturo"]
[Result "1/2-1/2"]
[WhiteElo "2305"]
[BlackElo "2435"]
[EventDate "1977.01.17"]

1/2-1/2

[Event "6th Orense it"]
[Site "Orense ESP"]
[Date "1977.01.??"]
[Round "9"]
[White "Castro Rojas, Oscar Humberto"]
[Black "Hernandez Onna, Roman"]
[Result "1-0"]
[WhiteElo "2410"]
[BlackElo "2435"]
[ECO "B31"]
[EventDate "1977.01.17"]
[PlyCount "55"]

1.e4 c5 2.Nf3 Nc6 3.Bb5 g6 4.O-O Bg7 5.Re1 Nf6 6.Nc3 O-O 7.e5 Ne8 8.Bxc6 
dxc6 9.Ne4 b6 10.a4 a5 11.h3 Nc7 12.d3 Ne6 13.Bd2 f5 14.exf6 exf6 15.Qc1 
Ra7 16.Bh6 Bxh6 17.Qxh6 g5 18.h4 g4 19.Nfd2 Rg7 20.Nc4 f5 21.Ng5 Nd4 22.
Rac1 Rf6 23.Qh5 Bd7 24.c3 Nb3 25.Rc2 Rf8 26.Rce2 b5 27.Nb6 Qxb6 28.Re7 1-0

[Event "6th Orense it"]
[Site "Orense ESP"]
[Date "1977.01.29"]
[Round "10"]
[White "Rodriguez Vargas, Orestes"]
[Black "Sanz Alonso, Francisco Javier"]
[Result "1-0"]
[WhiteElo "2450"]
[BlackElo "2350"]
[EventDate "1977.01.17"]
[SetUp "1"]
[PlyCount "24"]
[FEN "3r1b1k/qNn4p/B5p1/P2p4/1P2p3/7P/4QPP1/3R2K1 b - - 0 42"]

42...Re8 43.Bb5 Re6 44.a6 Rb6 45.Qb2+ Kg8 46.Qe5 Rxb5 47.Qxc7 Qxa6 48.Nd8 
Qf6 49.Qd7 Rxb4 50.Qxd5+ Kh8 51.Nf7+ Kg7 52.Ne5 Rb2 53.Ng4 Qf7 54.Qd4+ 1-0

[Event "6th Orense it"]
[Site "Orense ESP"]
[Date "1977.01.29"]
[Round "10"]
[White "Browne, Walter Shawn"]
[Black "Tisdall, Jonathan"]
[Result "1/2-1/2"]
[WhiteElo "2545"]
[BlackElo "2375"]
[ECO "D65"]
[EventDate "1977.01.17"]
[PlyCount "74"]

1.d4 Nf6 2.c4 e6 3.Nf3 d5 4.Bg5 Nbd7 5.e3 Be7 6.Nc3 O-O 7.Rc1 a6 8.cxd5 
exd5 9.Bd3 c6 10.Qc2 Re8 11.O-O Nf8 12.Na4 Ng6 13.Nc5 Ne4 14.Bxe7 Qxe7 15.
Bxe4 dxe4 16.Nd2 Bf5 17.Kh1 Rab8 18.Rg1 h5 19.f3 exf3 20.Qxf5 Nh4 21.Qh3 
fxg2+ 22.Rxg2 Nxg2 23.Qxg2 Qxe3 24.Nd7 Re6 25.Nxb8 Rg6 26.Qe4 Qxd2 27.Rf1 
h4 28.Nd7 h3 29.Rg1 Rxg1+ 30.Kxg1 Qc1+ 31.Kf2 Qxb2+ 32.Kg3 Qxa2 33.Qe8+ 
Kh7 34.Qe4+ Kg8 35.Qe8+ Kh7 36.Qe4+ Kg8 37.Qe8+ Kh7 1/2-1/2

[Event "6th Orense it"]
[Site "Orense ESP"]
[Date "1977.??.??"]
[Round "10"]
[White "Bello Filgueira, Joaquin"]
[Black "Castro Rojas, Oscar Humberto"]
[Result "0-1"]
[BlackElo "2410"]
[EventDate "1977.01.17"]

0-1

[Event "6th Orense it"]
[Site "Orense ESP"]
[Date "1977.??.??"]
[Round "10"]
[White "Hernandez Onna, Roman"]
[Black "Durao, Joaquim Manuel"]
[Result "1/2-1/2"]
[WhiteElo "2435"]
[BlackElo "2305"]
[EventDate "1977.01.17"]

1/2-1/2

[Event "6th Orense it"]
[Site "Orense ESP"]
[Date "1977.??.??"]
[Round "10"]
[White "Pomar Salamanca, Arturo"]
[Black "Gheorghiu, Florin"]
[Result "1/2-1/2"]
[WhiteElo "2435"]
[BlackElo "2545"]
[EventDate "1977.01.17"]

1/2-1/2

[Event "6th Orense it"]
[Site "Orense ESP"]
[Date "1977.??.??"]
[Round "10"]
[White "Piasetski, Leon David"]
[Black "Keene, Raymond Dennis"]
[Result "1/2-1/2"]
[WhiteElo "2395"]
[BlackElo "2510"]
[EventDate "1977.01.17"]

1/2-1/2

[Event "6th Orense it"]
[Site "Orense ESP"]
[Date "1977.01.30"]
[Round "11"]
[White "Tisdall, Jonathan"]
[Black "Rodriguez Vargas, Orestes"]
[Result "0-1"]
[WhiteElo "2375"]
[BlackElo "2450"]
[ECO "E51"]
[EventDate "1977.01.17"]
[PlyCount "36"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Bd3 d5 6.Nf3 Nc6 7.O-O a6 8.cxd5 
exd5 9.Ne5 Ne7 10.Qc2 Bd6 11.e4 c5 12.Nxd5 Nexd5 13.exd5 cxd4 14.Re1 h6 
15.Bc4 Qc7 16.Qe2 Bxe5 17.Qxe5 Qxc4 18.Bxh6 Qxd5 0-1

[Event "6th Orense it"]
[Site "Orense ESP"]
[Date "1977.??.??"]
[Round "11"]
[White "Sanz Alonso, Francisco Javier"]
[Black "Piasetski, Leon David"]
[Result "1/2-1/2"]
[WhiteElo "2350"]
[BlackElo "2395"]
[EventDate "1977.01.17"]

1/2-1/2

[Event "6th Orense it"]
[Site "Orense ESP"]
[Date "1977.??.??"]
[Round "11"]
[White "Keene, Raymond Dennis"]
[Black "Pomar Salamanca, Arturo"]
[Result "1/2-1/2"]
[WhiteElo "2510"]
[BlackElo "2435"]
[EventDate "1977.01.17"]

1/2-1/2

[Event "6th Orense it"]
[Site "Orense ESP"]
[Date "1977.??.??"]
[Round "11"]
[White "Gheorghiu, Florin"]
[Black "Hernandez Onna, Roman"]
[Result "1/2-1/2"]
[WhiteElo "2545"]
[BlackElo "2435"]
[EventDate "1977.01.17"]

1/2-1/2

[Event "6th Orense it"]
[Site "Orense ESP"]
[Date "1977.??.??"]
[Round "11"]
[White "Durao, Joaquim Manuel"]
[Black "Bello Filgueira, Joaquin"]
[Result "1-0"]
[WhiteElo "2305"]
[EventDate "1977.01.17"]

1-0

[Event "6th Orense it"]
[Site "Orense ESP"]
[Date "1977.??.??"]
[Round "11"]
[White "Castro Rojas, Oscar Humberto"]
[Black "Browne, Walter Shawn"]
[Result "0-1"]
[WhiteElo "2410"]
[BlackElo "2545"]
[EventDate "1977.01.17"]

0-1
