[Event "XVII Costa del Sol"]
[Site "Torremolinos"]
[Date "1977.??.??"]
[Round "?"]
[White "Bellon Lopez, Juan Manuel"]
[Black "Byrne, Robert"]
[Result "0-1"]
[ECO "A00"]
[PlyCount "44"]
[EventDate "1977.02.??"]

1. g3 g6 2. Bg2 Bg7 3. d4 d5 4. c3 Nf6 5. Nh3 c6 6. O-O O-O 7. f3 Qb6 8. Nf2
Nbd7 9. Qb3 e5 10. Qxb6 axb6 11. e4 b5 12. exd5 Nxd5 13. dxe5 Nxe5 14. f4 Nc4
15. Re1 Bf5 16. Ne4 Rfd8 17. Bf1 Na5 18. Nbd2 b4 19. a4 bxc3 20. bxc3 Nxc3 21.
Ra3 Re8 22. Bg2 Bxe4 0-1

[Event "XVII Costa del Sol"]
[Site "Torremolinos"]
[Date "1977.??.??"]
[Round "?"]
[White "Bellon Lopez, Juan Manuel"]
[Black "Castro Rojas, Oscar Humberto"]
[Result "1-0"]
[ECO "C47"]
[PlyCount "61"]
[EventDate "1977.02.??"]

1. e4 Nc6 2. Nc3 e5 3. Nf3 Nf6 4. d4 exd4 5. Nd5 Bc5 6. Bg5 h6 7. Bxf6 gxf6 8.
Qd2 d6 9. b4 Bb6 10. Bb5 Kf8 11. O-O f5 12. exf5 Ne5 13. Nxd4 Qh4 14. Nxb6 axb6
15. f4 Ng4 16. Nf3 Qf6 17. h3 h5 18. hxg4 hxg4 19. Ng5 Ra3 20. Rae1 c6 21. Ne4
Qh4 22. Qxd6+ Kg7 23. f6+ Kg6 24. f5+ Bxf5 25. Bd3 c5 26. bxc5 bxc5 27. Re3 Qh6
28. Rg3 Qh2+ 29. Kf2 b6 30. Qf4 Qh4 31. Rh1 1-0

[Event "XVII Costa del Sol"]
[Site "Torremolinos"]
[Date "1977.??.??"]
[Round "?"]
[White "Bellon Lopez, Juan Manuel"]
[Black "Medina Garcia, Antonio Angel"]
[Result "1-0"]
[ECO "A48"]
[PlyCount "25"]
[EventDate "1977.02.??"]

1. d4 Nf6 2. Nf3 g6 3. Bg5 Bg7 4. Nbd2 c5 5. Bxf6 exf6 6. Ne4 cxd4 7. Nd6+ Ke7
8. Qxd4 Nc6 9. Qd2 Qa5 10. c3 a6 11. Rd1 Qc7 12. Qf4 Rb8 13. Qe3+ 1-0

[Event "XVII Costa del Sol"]
[Site "Torremolinos"]
[Date "1977.??.??"]
[Round "?"]
[White "Byrne, Robert"]
[Black "Garcia Padron, Jose"]
[Result "1-0"]
[ECO "B36"]
[PlyCount "61"]
[EventDate "1977.02.??"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Nf6 6. Nc3 Nxd4 7. Qxd4 d6 8.
Bg5 Bg7 9. f3 O-O 10. Qd2 Be6 11. Rc1 Qa5 12. b3 a6 $6 (12... Rfc8 13. Be2 a6 {
happened in Karpov - Kavalek, Nice 1974.}) 13. Nd5 $1 Qxd2+ 14. Kxd2 Bxd5 15.
cxd5 Rfc8 $6 (15... e6 $1 16. dxe6 fxe6 17. g3 d5 18. Bh3 dxe4 19. Bxe6+ Kh8 {
counters in the centre.}) 16. Rxc8+ Rxc8 17. g3 $1 {
White will gain a positional advantage.} Kf8 $2 (17... e6 18. Bh3 Re8 19. dxe6
fxe6 {defends well (Byrne - Mednis).}) 18. Bh3 $1 Rc7 19. Rc1 $1 Rxc1 20. Kxc1
Ke8 21. Bc8 $1 b6 22. Bxa6 {He has gained a pawn.} Kd8 23. Bb5 h6 24. Be3 Kc7
25. Kc2 e6 26. Bc6 g5 27. Kd3 Ng8 28. Kc4 Ne7 29. Kb5 Nc8 30. Ka6 Bc3 31. Bb7 {
Byrne wins another pawn.} 1-0

[Event "XVII Costa del Sol"]
[Site "Torremolinos"]
[Date "1977.??.??"]
[Round "?"]
[White "Christiansen, Larry Mark"]
[Black "Castro Rojas, Oscar Humberto"]
[Result "1-0"]
[ECO "D70"]
[PlyCount "67"]
[EventDate "1977.02.??"]

1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. Nf3 g6 5. e4 Nb6 6. d4 Bg7 7. h3 O-O 8. Be2
Nc6 9. Be3 f5 10. exf5 Bxf5 $5 ({Known is} 10... gxf5) 11. Qb3+ Kh8 12. d5 $1 {
White has a plus.} Ne5 13. Nxe5 Bxe5 14. Rd1 Qd6 15. O-O a5 16. a3 a4 17. Qb5
Bd7 $2 ({A subtle waiting move is} 17... Kg8) 18. Qd3 Bf5 $5 19. Qd2 $1 Rad8
20. Rfe1 Bg7 21. Bf1 $1 e5 22. dxe6 Qe7 (22... Qxd2 23. Bxd2 Rfe8 24. e7 Rd7
25. Bf4 Bxc3 26. Rxd7 $1 Bxd7 27. bxc3 Nd5 28. Be5+ Kg8 29. c4 Nxe7 30. Bxc7 {
gains a pawn.}) 23. Qc1 Qxe6 24. Rxd8 Rxd8 25. Bg5 Qc8 26. Bxd8 Qxd8 27. Qe3
Bf6 28. Bb5 c6 29. Bxa4 Nc4 30. Qe2 Qd4 31. Rd1 Qf4 32. g3 Qe5 33. Qxc4 b5 34.
Qf7 $1 {Christiansen won a solid game.} 1-0

[Event "XVII Costa del Sol"]
[Site "Torremolinos"]
[Date "1977.??.??"]
[Round "?"]
[White "Ciocaltea, Victor"]
[Black "Castro Rojas, Oscar Humberto"]
[Result "1/2-1/2"]
[ECO "B00"]
[BlackElo "2410"]
[PlyCount "100"]
[EventDate "1977.02.??"]

1. e4 Nc6 2. Nf3 d6 3. d4 Bg4 4. Nc3 Nf6 5. Be3 e6 6. h3 Bh5 7. d5 exd5 8. exd5
Ne5 9. g4 Nxf3+ 10. Qxf3 Bg6 11. Bb5+ Nd7 12. Qe2 a6 13. Ba4 Qe7 14. O-O-O
O-O-O 15. f4 f6 16. Rhe1 Be8 17. Qc4 Qf7 18. Bxd7+ Qxd7 19. Qd4 c5 20. dxc6
bxc6 21. Qb6 Qb7 22. Qa5 Be7 23. Bb6 Rd7 24. Re4 d5 25. Re3 d4 26. Rxd4 Rxd4
27. Bxd4 Bb4 28. Qa4 Bf7 29. Ne4 Re8 30. c3 Bf8 31. c4 Rd8 32. Rb3 Rxd4 33.
Rxb7 Kxb7 34. Nd2 Bd6 35. Qb3+ Kc7 36. Qe3 c5 37. Ne4 Rxc4+ 38. Kd1 Rd4+ 39.
Ke1 Bf8 40. Nc3 Bd6 41. Ne4 Bf8 42. Nc3 Bd6 43. Qf3 Bxf4 44. Qa8 Bg3+ 45. Kf1
Bc4+ 46. Kg2 Be5 47. Qa7+ Kc6 48. b3 Rd2+ 49. Kf3 Rd3+ 50. Kg2 Rd2+ 1/2-1/2

[Event "XVII Costa del Sol"]
[Site "Torremolinos"]
[Date "1977.??.??"]
[Round "?"]
[White "Ciocaltea, Victor"]
[Black "Medina Garcia, Antonio"]
[Result "1/2-1/2"]
[ECO "C76"]
[PlyCount "54"]
[EventDate "1977.02.??"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. d4 g6 7. O-O Bg7 8. dxe5
dxe5 9. Bg5 Nf6 10. Nbd2 h6 11. Be3 O-O 12. Re1 Re8 13. b4 b6 14. Qc2 Qe7 15.
Nf1 a5 16. a3 Nh5 17. Bb3 Nd8 18. g3 Nf6 19. Nh4 Be6 20. f3 Bxb3 21. Qxb3 Ne6
22. Red1 Kh7 23. Ra2 axb4 24. axb4 Rxa2 25. Qxa2 Rd8 26. Qc2 Rxd1 27. Qxd1 b5
1/2-1/2

[Event "XVII Costa del Sol"]
[Site "Torremolinos"]
[Date "1977.??.??"]
[Round "?"]
[White "Garcia Padron, Jose"]
[Black "Christiansen, Larry Mark"]
[Result "0-1"]
[ECO "A10"]
[PlyCount "76"]
[EventDate "1977.02.??"]

1. c4 g6 2. Nf3 Bg7 3. g3 c5 4. Bg2 Nc6 5. O-O Nh6 6. Nc3 d6 7. d3 O-O 8. Rb1
a6 9. a3 Rb8 10. Bd2 b5 11. cxb5 axb5 12. b4 cxb4 13. axb4 d5 14. Qc1 Nf5 15.
Nxb5 Bd7 16. Na3 Ncd4 17. Nxd4 Nxd4 18. Re1 Rc8 19. Qd1 Ra8 20. Bc1 Ba4 21. Qd2
Qd6 22. Qa2 e6 23. e3 Nb5 24. Nxb5 Bxb5 25. Qd2 Rfc8 26. d4 Bf8 27. e4 dxe4 28.
Rxe4 Ra4 29. Re5 Qa6 30. Rc5 Rd8 31. Qg5 Rxd4 32. Rxb5 Rd1+ 33. Bf1 f5 34. Qe3
Rxf1+ 35. Kxf1 Qxb5+ 36. Kg1 Qd5 37. Bd2 Bg7 38. Qb3 $4 Ra1 0-1

[Event "XVII Costa del Sol"]
[Site "Torremolinos"]
[Date "1977.??.??"]
[Round "?"]
[White "Garcia Padron, Jose"]
[Black "Piasetski, Leon David"]
[Result "1-0"]
[ECO "B08"]
[PlyCount "59"]
[EventDate "1977.02.??"]

1. Nf3 g6 2. e4 Bg7 3. d4 d6 4. Nc3 Nf6 5. Be2 O-O 6. O-O a6 7. Re1 b5 8. e5
Ng4 9. h3 Nh6 10. Bg5 f6 11. exf6 exf6 12. Bf4 g5 13. Bh2 f5 14. Qd2 Nf7 15. a4
b4 16. Nd5 c6 17. Bc4 cxd5 18. Bxd5 Kh8 19. Bxa8 g4 20. Qxb4 gxf3 21. Qxb8 fxg2
22. Bd5 Ng5 23. f4 Nxh3+ 24. Kxg2 Qh4 25. Rf1 Be6 26. Qxd6 Bxd5+ 27. Qxd5 Rg8
28. Bg3 Qh5 29. Qf3 Nxf4+ 30. Qxf4 1-0

[Event "XVII Costa del Sol"]
[Site "Torremolinos"]
[Date "1977.??.??"]
[Round "?"]
[White "Gheorghiu, Florin"]
[Black "Hernandez, Roman"]
[Result "1-0"]
[ECO "E90"]
[PlyCount "75"]
[EventDate "1977.02.??"]

1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 Bg7 5. e4 d6 6. h3 O-O 7. Bd3 e6 8. Nf3 exd5
9. exd5 Re8+ 10. Be3 Nh5 11. O-O f5 12. Bg5 Bf6 13. Qd2 Na6 $5 ({
The alternative is} 13... Nd7 14. Bxf6 Nhxf6) 14. Rfe1 Nc7 15. a3 Bd7 16. b4
Rxe1+ 17. Rxe1 b6 18. Rb1 Bxg5 19. Nxg5 {White controls more territory.} h6 $6
{The counter on the kingside is premature.} ({Better is} 19... Qf6) 20. Nf3 g5
$2 (20... Kh7 {protects the pawns}) 21. h4 f4 $6 22. hxg5 hxg5 23. Bg6 Bg4 24.
Nh2 $5 Nf6 25. g3 Qd7 26. bxc5 bxc5 27. gxf4 Bf5 $5 28. Bxf5 Qxf5 29. Rb7 $1
gxf4 30. Rxc7 $1 Kh8 31. f3 $1 Rg8+ 32. Kh1 Qg5 33. Qf2 Nh5 34. Ng4 Ng3+ 35.
Kg1 Re8 36. Qh2+ Nh5 37. Qb2 $1 Kg8 38. Ne4 {Gheorghiu conquered the kingside.}
1-0

[Event "XVII Costa del Sol"]
[Site "Torremolinos"]
[Date "1977.??.??"]
[Round "?"]
[White "Medina Garcia, Antonio Angel"]
[Black "Garcia Padron, Jose"]
[Result "1/2-1/2"]
[ECO "B84"]
[PlyCount "83"]
[EventDate "1977.02.??"]

1. e4 e6 2. d4 c5 3. Nf3 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 a6 7. f4 Nbd7 8. O-O
b5 9. Bf3 Bb7 10. e5 Bxf3 11. Nxf3 dxe5 12. fxe5 b4 13. exf6 bxc3 14. fxg7 Bxg7
15. b3 O-O 16. Ba3 Re8 17. Qe1 Qb6+ 18. Kh1 Rad8 19. Qh4 h6 20. Rae1 e5 21. Qg3
Qg6 22. Qf2 Nf8 23. Bxf8 Rxf8 24. Nxe5 Bxe5 25. Rxe5 Rd2 26. Qf3 Rxc2 27. Re4
h5 28. Rc4 Rd8 29. Rxc3 Rxa2 30. Rc6 Qg7 31. h3 Ra1 32. Rcc1 Rxc1 33. Rxc1 h4
34. Rc4 Qa1+ 35. Kh2 Qe5+ 36. Kh1 Qe1+ 37. Kh2 Qe5+ 38. Qf4 Qxf4+ 39. Rxf4 a5
40. Rxh4 Rb8 41. Rg4+ Kf8 42. Rg3 1/2-1/2

[Event "XVII Costa del Sol"]
[Site "Torremolinos"]
[Date "1977.??.??"]
[Round "?"]
[White "Medina Garcia, Antonio Angel"]
[Black "Gheorghiu, Florin"]
[Result "0-1"]
[ECO "B80"]
[PlyCount "74"]
[EventDate "1977.02.??"]

1. e4 c5 2. Nf3 d6 3. d4 Nf6 4. Nc3 cxd4 5. Nxd4 a6 6. g3 e6 7. Bg2 Be7 8. O-O
Qc7 9. Re1 O-O 10. a4 Nc6 11. Nb3 b6 12. f4 Rb8 13. Be3 Na5 14. Nd4 Bb7 15. g4
Nc4 16. Bc1 Qc5 17. g5 e5 18. gxf6 Bxf6 19. Nce2 exd4 20. Kh1 Ne3 21. Bxe3 dxe3
22. c3 Bh4 23. Ng3 f5 24. exf5 Bxg3 25. hxg3 Bxg2+ 26. Kxg2 Rxf5 27. Qf3 Re8
28. Rad1 Rf6 29. Rd5 Qc4 30. Rd4 Qb3 31. Qd5+ Qxd5+ 32. Rxd5 Re4 33. Rd4 Rxd4
34. cxd4 g5 35. Kf3 gxf4 36. gxf4 Re6 37. Re2 Kf7 $138 0-1

[Event "XVII Costa del Sol"]
[Site "Torremolinos"]
[Date "1977.??.??"]
[Round "?"]
[White "Medina Garcia, Antonio Angel"]
[Black "Pavlov, Mircea S"]
[Result "1-0"]
[ECO "B25"]
[BlackElo "2380"]
[PlyCount "61"]
[EventDate "1977.02.??"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. f4 e5 7. Nh3 exf4 8. Bxf4
Nge7 9. Qd2 h6 10. O-O Be6 11. a3 Qd7 12. Nf2 g5 13. Be3 Be5 14. Rae1 Nd4 15.
Nd5 Bxd5 16. exd5 Qa4 17. b3 Qd7 18. Qd1 Ndf5 19. Bxc5 Qc7 20. Bb4 h5 21. Ne4
O-O-O 22. Nxg5 Qb6+ 23. Kh1 Ne3 24. Rxe3 Qxe3 25. Nxf7 h4 26. Nxh8 Rxh8 27.
Qg4+ Kb8 28. gxh4 Rg8 29. Qe6 Rxg2 30. Bxd6+ Bxd6 31. Qxd6+ 1-0

[Event "XVII Costa del Sol"]
[Site "Torremolinos"]
[Date "1977.??.??"]
[Round "?"]
[White "Medina Garcia, Antonio Angel"]
[Black "Tatai, Stefano"]
[Result "1-0"]
[ECO "B91"]
[PlyCount "79"]
[EventDate "1977.02.??"]

1. e4 c5 2. Nf3 d6 3. d4 Nf6 4. Nc3 cxd4 5. Nxd4 a6 6. g3 g6 7. Bg2 Bg7 8. O-O
O-O 9. h3 Bd7 10. a4 Nc6 11. Nde2 Rc8 12. Bg5 Re8 13. Nd5 Nxd5 14. exd5 Na5 15.
Ra2 h6 16. Be3 b6 17. b3 Qc7 18. Re1 Kh7 19. Bd4 Rg8 20. Bxg7 Rxg7 21. Nd4 f5
22. c4 Rf8 23. Rae2 Rff7 24. h4 Nb7 25. Nc6 Bxc6 26. dxc6 Nd8 27. Bd5 Rf6 28.
b4 e6 29. Bg2 e5 30. b5 Ne6 31. Rd2 Nc5 32. Rd5 a5 33. Re2 Rg8 34. Red2 Rd8 35.
Rxe5 Nxa4 36. Re1 Nc5 37. Rde2 Rf7 38. Bd5 Rg7 39. Qd4 Kh8 40. Re7 1-0

[Event "XVII Costa del Sol"]
[Site "Torremolinos"]
[Date "1977.??.??"]
[Round "?"]
[White "Piasetski, Leon"]
[Black "Ciocaltea, Victor"]
[Result "0-1"]
[ECO "A49"]
[PlyCount "80"]
[EventDate "1977.02.??"]

1. Nf3 Nf6 2. d4 g6 3. b3 Bg7 4. Bb2 O-O 5. g3 d6 6. Bg2 c6 7. O-O a5 8. a4 Na6
9. Nbd2 Nb4 10. e4 Nd7 11. Re1 Nb6 12. Re2 c5 13. Qb1 cxd4 14. Bxd4 f6 15. Qb2
Nc6 16. Bc3 e5 17. Rd1 Be6 18. Nf1 Qc7 19. Ne3 Rfd8 20. Nd5 Bxd5 21. exd5 Ne7
22. Bh3 f5 23. Ng5 Nexd5 24. Bd2 e4 25. Qc1 Re8 26. c4 Nb4 27. Bxb4 axb4 28.
Qd2 h6 29. Qxd6 Qxd6 30. Rxd6 Nc8 31. Re6 Rf8 32. Rxg6 hxg5 33. Rxg5 Ne7 34.
Rd2 Rad8 35. Rxd8 Rxd8 36. Bxf5 Nxf5 37. Rxf5 Rd3 38. Rb5 Rxb3 39. Rxb7 Rb2 40.
a5 Bd4 0-1

[Event "XVII Costa del Sol"]
[Site "Torremolinos"]
[Date "1977.??.??"]
[Round "?"]
[White "Piasetski, Leon David"]
[Black "Bellon Lopez, Juan Manuel"]
[Result "1-0"]
[ECO "A34"]
[PlyCount "71"]
[EventDate "1977.02.??"]

1. c4 Nf6 2. Nc3 c5 3. Nf3 b6 4. e4 d6 5. d4 Bg4 6. d5 e6 7. h3 Bxf3 8. Qxf3 e5
9. g4 Be7 10. g5 Nfd7 11. h4 Na6 12. Bd2 Nc7 13. Qg3 a6 14. a4 O-O 15. Bh3 b5
16. a5 Re8 17. b3 Rb8 18. Nd1 Nf8 19. h5 bxc4 20. bxc4 Rb7 21. Ra3 Rb4 22. Rc3
Na8 23. O-O Qxa5 24. f4 Rxc4 25. fxe5 Rxc3 26. Bxc3 Qc7 27. Qf4 Bxg5 28. Qxg5
dxe5 29. h6 Ng6 30. hxg7 Nf4 31. Kh2 Qd6 32. Ne3 Qg6 33. Qxg6 hxg6 34. Ng4 Nh5
35. Bxe5 f6 36. Nxf6+ 1-0

[Event "XVII Costa del Sol"]
[Site "Torremolinos"]
[Date "1977.??.??"]
[Round "?"]
[White "Piasetski, Leon David"]
[Black "Ruiz Gutierrez, Manuel"]
[Result "1-0"]
[ECO "A54"]
[PlyCount "65"]
[EventDate "1977.02.??"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 d6 4. d4 Nbd7 5. Bg5 Be7 6. e3 O-O 7. Qc2 c6 8.
O-O-O Qc7 9. h4 Re8 10. Bd3 Nf8 11. Bxf6 Bxf6 12. Ne4 Bd8 $2 (12... Qe7) 13.
dxe5 dxe5 14. Nd6 Re7 15. Ng5 h6 (15... g6 16. c5 $16) 16. Bh7+ Kh8 17. Ndxf7+
Rxf7 18. Nxf7+ Qxf7 19. Rxd8 Bf5 20. Rxa8 (20. Rxf8+ $142 Rxf8 21. Qxf5 Qxf5
22. Bxf5 Rxf5 23. f3 $16) 20... Bxc2 21. Bxc2 Qxf2 22. Bg6 $2 (22. Rd1 $16)
22... e4 $2 (22... Kg8) 23. Kb1 a5 (23... Kg8 24. Bxe4 Qxe3 25. Re8) 24. h5 $2
(24. Rd1) 24... Kg8 25. g4 $4 (25. Bxe4 $18) 25... Qxe3 26. a3 $2 (26. Re8 $16)
26... Qd3+ 27. Ka1 Qxc4 $4 (27... Qe2) 28. Re1 e3 29. Re8 b5 30. R8xe3 b4 (
30... Qxg4 31. Re8 Qf3 32. Rd8) 31. Re8 Qf4 32. Rxf8+ Qxf8 33. Re8 1-0

[Event "XVII Costa del Sol"]
[Site "Torremolinos"]
[Date "1977.??.??"]
[Round "?"]
[White "Ruiz, Manuel"]
[Black "Medina Garcia, Antonio"]
[Result "1/2-1/2"]
[ECO "E74"]
[PlyCount "56"]
[EventDate "1977.02.??"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Bg5 c5 7. d5 Qa5 8. f3 a6
9. Qd2 e6 10. Bh6 Bxh6 11. Qxh6 exd5 12. cxd5 b5 13. h4 Ra7 14. Nh3 Bxh3 15.
Rxh3 Nbd7 16. h5 c4 17. Kf1 b4 18. Nd1 Rc7 19. Ne3 Ne5 20. f4 Nd3 21. Nf5 Ne8
22. Qxh7+ Kxh7 23. hxg6+ Kg8 24. g7 Nxg7 25. Nh6+ Kh7 26. Ng4+ Nh5 27. Rxh5+
Kg7 28. Rg5+ Kh8 1/2-1/2

[Event "XVII Costa del Sol"]
[Site "Torremolinos"]
[Date "1977.??.??"]
[Round "?"]
[White "Tatai, Stefano"]
[Black "Pavlov, Mircea S"]
[Result "1/2-1/2"]
[ECO "B67"]
[PlyCount "61"]
[EventDate "1977.02.??"]

1. e4 c5 2. Nf3 d6 3. d4 Nf6 4. Nc3 cxd4 5. Nxd4 Nc6 6. Bg5 e6 7. Qd2 a6 8.
O-O-O Bd7 9. f4 b5 10. Nxc6 Bxc6 11. Qe3 Be7 12. Bxf6 gxf6 13. f5 Qa5 14. Kb1
b4 15. Ne2 e5 16. Nc1 Qc5 17. Qf3 a5 18. Nb3 Qb6 19. Bc4 a4 20. Nc1 Ra5 21.
Rhe1 Rc5 22. Bd5 Bxd5 23. Rxd5 Rxd5 24. exd5 Rg8 25. g3 Bf8 26. Nd3 Qd4 27. Nf2
a3 28. bxa3 bxa3 29. Qxa3 Qxf2 30. Qa8+ Ke7 31. Qb7+ 1/2-1/2

[Event "XVII Costa del Sol"]
[Site "Torremolinos"]
[Date "1977.??.??"]
[Round "2"]
[White "Ciocaltea, Victor"]
[Black "Tatai, Stefano"]
[Result "0-1"]
[ECO "C73"]
[PlyCount "64"]
[EventDate "1977.02.??"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. Bxc6+ bxc6 6. d4 f6 7. Nc3 Ne7 8.
Be3 Be6 9. Qd2 Qb8 10. dxe5 $5 fxe5 11. Ng5 Bg8 12. O-O-O h6 13. Nf3 $5 Ng6 $6
({Preferable is} 13... Be6) 14. h4 Be7 15. h5 Nf8 16. Nh4 Qb4 $5 17. a3 Qb7 18.
Nf5 Rb8 19. b3 $5 Bf6 $5 20. f3 $2 ({Better is} 20. Qe2) 20... Bxb3 $1 21. cxb3
Qxb3 22. Qc2 Qxa3+ 23. Kd2 Rb2 24. Rb1 Rxc2+ 25. Kxc2 {
Black has gained material.} Qa5 $2 (25... Nd7 $1 {wins quickly.}) 26. Rb8+ $2 (
26. Rb2 $1 Ne6 27. Ra2 Nd4+ $1 28. Bxd4 Qb4 29. Rb1 Qc4 30. Ra4 Qf7 31. Rb8+
Kd7 32. Rxh8 exd4 {equalises.}) 26... Kd7 27. Rhb1 g6 $5 28. hxg6 Ne6 $1 29.
R8b3 ({Or} 29. Rxh8 Bxh8 30. Bxh6 Nd4+) 29... Nd4+ 30. Bxd4 exd4 31. Ne2 c5 32.
Rb7 Qa2+ $1 {Tatai won a spectacular game.} (32... Qa2+ $1 33. R1b2 d3+ $1 {
gains rook b2 (Byrne - Mednis).}) 0-1

[Event "XVII Costa del Sol"]
[Site "Torremolinos"]
[Date "1977.??.??"]
[Round "6"]
[White "Tatai, Stefano"]
[Black "Christiansen, Larry Mark"]
[Result "0-1"]
[ECO "B08"]
[PlyCount "74"]
[EventDate "1977.02.??"]

1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Be2 Nf6 5. Nc3 O-O 6. O-O Bg4 7. Bg5 Nc6 8. Qd2
h6 9. Be3 Kh7 10. h3 $5 (10. Rfd1 {was played in Tatai - Sharif, Nice 1974.})
10... Bxf3 11. Bxf3 e5 12. d5 Ne7 13. Be2 $5 Nd7 14. g4 $5 Ng8 15. Kg2 Bf6 16.
Bb5 Nb6 17. a4 a5 18. Ne2 Bg5 19. Ng3 Kg7 20. b4 $5 axb4 21. a5 Bxe3 22. fxe3
Nd7 23. Qxb4 $2 (23. Bxd7 {(Byrne - Mednis)} Qxd7 24. Qxb4 {
makes a necessary exchange.}) 23... Nc5 $1 24. Rf3 Nf6 25. Raf1 $2 Nh7 $1 26.
Bd3 Qh4 27. Ne2 Ng5 $1 28. Rg3 b6 $1 29. axb6 Rab8 $6 ({Preferable is} 29...
Rfb8 $1) 30. Ng1 Rxb6 31. Qc4 Ra6 32. Nf3 Nxf3 33. Rgxf3 h5 34. gxh5 Qxh5 35.
Rg3 Ra4 36. Qc3 Rxe4 $1 37. Bxe4 Qe2+ $1 (37... Qe2+ 38. Rf2 Qxf2+ 39. Kxf2
Nxe4+ {gains a knight.}) 0-1

[Event "XVII Costa del Sol"]
[Site "Torremolinos"]
[Date "1977.02.??"]
[Round "7"]
[White "Castro Rojas, Oscar Humberto"]
[Black "Tatai, Stefano"]
[Result "1/2-1/2"]
[ECO "A81"]
[PlyCount "85"]
[EventDate "1977.02.??"]

1. Nf3 f5 2. g3 Nf6 3. Bg2 g6 4. d4 Bg7 5. Nc3 O-O 6. Bf4 c6 7. Qd2 b5 8. a3
Qb6 9. Bh6 Ne4 10. Qf4 e5 11. Nxe5 Bxh6 12. Qxh6 Qxd4 13. Bxe4 fxe4 14. f4 exf3
15. Nxf3 Qg7 16. Qh4 d5 17. O-O Na6 18. e4 d4 19. Ne2 c5 20. Ng5 Bd7 21. e5 Bf5
22. g4 h6 23. gxf5 gxf5 24. Ng3 Qxg5 25. Qxg5+ hxg5 26. Nxf5 Rae8 27. Rae1 Nc7
28. h4 gxh4 29. Re4 Nd5 30. Rf3 Ne3 31. Nxh4 Rxf3 32. Nxf3 Kf7 33. c3 Rg8+ 34.
Kh1 dxc3 35. Rxe3 cxb2 36. Rb3 Rg3 37. Rxb2 Rxf3 38. Rxb5 Rc3 39. Ra5 Ke6 40.
Rxa7 Rc2 41. Kg1 Kxe5 42. Rd7 Ra2 43. Kf1 1/2-1/2

[Event "XVII Costa del Sol"]
[Site "Torremolinos"]
[Date "1977.??.??"]
[Round "8"]
[White "Medina Garcia, Antonio"]
[Black "Christiansen, Larry"]
[Result "1-0"]
[ECO "B26"]
[PlyCount "78"]
[EventDate "1977.02.??"]

1. e4 g6 2. Nc3 Bg7 3. g3 d6 4. Bg2 c5 5. d3 Nc6 6. Be3 e5 7. Qd2 Be6 8. Nge2
Nd4 9. f4 Ne7 10. O-O Qd7 11. Rf2 O-O 12. Raf1 f5 13. Kh1 Rfc8 14. b3 b5 15.
fxe5 dxe5 16. Bg5 Kh8 17. Ng1 Ng8 18. Nf3 b4 19. exf5 gxf5 20. Nd1 Ne7 21. Bh6
Ng6 22. Bxg7+ Kxg7 23. Ne3 Re8 24. Ng5 f4 25. Nc4 Bxc4 26. bxc4 Qg4 27. gxf4
exf4 28. Nf3 Nf5 29. Re1 Re3 30. Ng1 Rae8 31. Be4 Rxe1 32. Qxe1 Ne3 33. Qa1+
Kh6 34. Qf6 Re6 35. Qf7 Qh4 36. Rf3 Ng4 37. Rh3 Nf2+ 38. Kg2 Nxh3 39. Qxe6 f3+
$138 1-0

[Event "XVII Costa del Sol"]
[Site "Torremolinos"]
[Date "1977.??.??"]
[Round "9"]
[White "Castro Rojas, Oscar"]
[Black "Medina Garcia, Antonio"]
[Result "1-0"]
[ECO "C42"]
[PlyCount "51"]
[EventDate "1977.02.??"]

1. e4 e5 2. Nc3 Nf6 3. Nf3 g6 4. Bc4 Bg7 5. d3 d6 6. Bg5 Nc6 7. h3 h6 8. Be3
Na5 9. Qd2 Nxc4 10. dxc4 b6 11. O-O-O Bb7 12. Qd3 O-O 13. g4 Nd7 14. Nd5 Re8
15. h4 c6 16. Nc3 Re6 17. Qd2 Qf8 18. h5 g5 19. Ng1 Rd8 20. Nge2 Nf6 21. Ng3 d5
22. Nf5 Nxg4 23. Bxg5 hxg5 24. Qxg5 Rf6 25. h6 Nxh6 26. Rxh6 $138 1-0

[Event "XVII Costa del Sol"]
[Site "Torremolinos"]
[Date "1977.??.??"]
[Round "9"]
[White "Christiansen, Larry Mark"]
[Black "Gheorghiu, Florin"]
[Result "1-0"]
[ECO "D42"]
[PlyCount "81"]
[EventDate "1977.02.??"]

{Two favourites meet.} 1. c4 c5 2. Nf3 Nf6 3. Nc3 e6 4. e3 d5 5. cxd5 Nxd5 6.
d4 cxd4 7. exd4 Be7 8. Bd3 Nc6 9. O-O O-O 10. Re1 Nf6 11. a3 b6 12. Bc2 Bb7 13.
Qd3 g6 14. Bh6 Re8 15. Rad1 Rc8 16. Bb3 Na5 17. Ba2 Nd5 18. Ne4 $5 {
White controls more territory.} Rc7 $5 (18... Nf6 19. Nc3 Nd5 20. Ne5 Bf8 21.
Qh3 {also gains an edge for White.}) 19. Ne5 Bf8 $6 ({Preferable is} 19... Nc6)
20. Bg5 $1 Be7 21. Bxe7 Rexe7 22. Bxd5 $6 (22. Qg3 $1 Nc6 23. h4 {attacks.})
22... exd5 23. Nf6+ Kg7 24. Qh3 $1 h5 (24... Kxf6 $2 25. Ng4+ $1 {
The king can go upwards or downwards, but White will win.}) 25. Nxh5+ $6 (25.
Qh4 $1 Qd6 {(Christiansen)} 26. Nxh5+ $1 gxh5 27. Rd3 $1 {
and White has a winning attack.}) 25... gxh5 26. Rd3 Qh8 $1 27. Rg3+ Kf8 28.
Rg5 Re6 $2 (28... h4 $1 29. Qf5 (29. Rg4 $2 Rxe5 30. dxe5 Qxe5 $1) 29... Rc6
30. Rh5 Qg8 {defends properly.}) 29. Qxe6 $6 (29. Rxh5 $1 Qf6 30. f4 $1 {
wins for White.}) 29... fxe6 30. Ng6+ Kg7 31. Nxh8+ Kxh8 32. Rxh5+ Kg7 33. h4 {
White has a better endgame.} Nc6 $6 ({Right is} 33... Bc8 $1 34. Re3 Kg6) 34.
Rxe6 Nxd4 35. Rg5+ Kh7 36. Rd6 $5 Rf7 $5 37. f3 $5 Nf5 $4 38. Rxf5 $1 Rxf5 39.
Rd7+ Kg6 40. Rxb7 Rf4 41. Rxa7 {White has reached a won rook ending.} 1-0

[Event "XVII Costa del Sol"]
[Site "Torremolinos"]
[Date "1977.??.??"]
[Round "10"]
[White "Medina Garcia, Antonio"]
[Black "Piasetski, Leon"]
[Result "1/2-1/2"]
[ECO "B46"]
[PlyCount "88"]
[EventDate "1977.02.??"]

1. e4 e6 2. d4 c5 3. Nf3 cxd4 4. Nxd4 Nc6 5. Nc3 a6 6. g3 Bb4 7. Nde2 Nf6 8.
Bg2 O-O 9. O-O Bc5 10. Bf4 e5 11. Bg5 h6 12. Bxf6 Qxf6 13. Kh1 d6 14. Nd5 Qd8
15. Qd2 Ne7 16. Nec3 Nxd5 17. Nxd5 Bd7 18. c3 a5 19. b3 Kh7 20. a3 Rc8 21. b4
Ba7 22. Rab1 a4 23. Rbc1 g6 24. f4 f5 25. Bh3 exf4 26. Rxf4 Qg5 27. Re1 Rce8
28. c4 Re5 29. Nb6 Bc6 30. Qxd6 Rxe4 31. Rfxe4 Bxe4+ 32. Bg2 Bxg2+ 33. Kxg2
Bxb6 34. Qxb6 Rf7 35. Qe6 Rg7 36. Qd6 h5 37. Qf4 Qd8 38. c5 Qd5+ 39. Qf3 Qd4
40. Re6 Qb2+ 41. Re2 Qd4 42. h4 Qd7 43. Kh3 Re7 44. b5 Re4 {(irrep.)} 1/2-1/2

[Event "XVII Costa del Sol"]
[Site "Torremolinos"]
[Date "1977.??.??"]
[Round "11"]
[White "Robatsch, Karl"]
[Black "Medina Garcia, Antonio"]
[Result "1-0"]
[ECO "A24"]
[PlyCount "63"]
[EventDate "1977.02.??"]

1. c4 Nf6 2. Nc3 e5 3. g3 g6 4. d4 exd4 5. Qxd4 Nc6 6. Qd2 Bg7 7. Bg2 O-O 8. b3
d6 9. Bb2 Re8 10. Nh3 Bxh3 11. Bxh3 Ne4 12. Nxe4 Rxe4 13. Bg2 Bxb2 14. Qxb2 Re5
15. O-O Qe7 16. e3 Re8 17. Rad1 Qf8 18. Rd5 Qg7 19. Qa3 a5 20. Rb5 Rxb5 21.
cxb5 Nd8 22. Qxa5 b6 23. Qd2 Qe5 24. a4 Ne6 25. b4 Re7 26. Bd5 Qf5 27. f4 h5
28. a5 bxa5 29. bxa5 c6 30. Bxc6 Nc5 31. a6 h4 32. Qxd6 1-0

[Event "XVII Costa del Sol"]
[Site "Torremolinos"]
[Date "1977.??.??"]
[Round "12"]
[White "Medina Garcia, Angel"]
[Black "Hernandez, Roman"]
[Result "1/2-1/2"]
[ECO "B26"]
[PlyCount "82"]
[EventDate "1977.02.??"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Be3 Rb8 7. f4 b5 8. Qd2 b4
9. Nd1 e6 10. Nf3 Nd4 11. O-O Ne7 12. Nh4 O-O 13. c3 bxc3 14. bxc3 Nb5 15. Rc1
f5 16. Nf3 h6 17. Re1 Bb7 18. e5 Nd5 19. Bf2 Nbc7 20. Nb2 Nb6 21. Rb1 Qe7 22.
a4 d5 23. a5 Nd7 24. Na4 Bc6 25. Qa2 Rfc8 26. Nd2 Bf8 27. c4 Ba8 28. Nc3 d4 29.
Nb5 Bxg2 30. Kxg2 Ra8 31. Nd6 Rcb8 32. Qa4 Na6 33. Nf3 Qd8 34. Nb5 Qc8 35. Na3
Rxb1 36. Rxb1 Nb4 37. Rb3 Rb8 38. Be1 g5 39. Kf2 g4 40. Ng1 a6 41. h4 Rb7
1/2-1/2

[Event "XVII Costa del Sol"]
[Site "Torremolinos"]
[Date "1977.??.??"]
[Round "13"]
[White "Byrne, Robert"]
[Black "Medina Garcia, Antonio Angel"]
[Result "1/2-1/2"]
[ECO "C74"]
[PlyCount "66"]
[EventDate "1977.02.??"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 f5 6. exf5 Bxf5 7. d4 e4 8. Ng5
d5 9. f3 h6 10. fxe4 hxg5 11. exf5 Bd6 12. Qf3 g4 13. Qxg4 Nf6 14. Qe2+ Kf8 15.
Bxc6 bxc6 16. Bg5 Qd7 17. Bxf6 gxf6 18. Qf3 Re8+ 19. Kd1 Re4 20. g3 Qe8 21. Nd2
Re3 22. Qg2 Rh7 23. Kc2 Re2 24. Qf3 Rhe7 25. Rad1 R7e3 26. Qg4 Qb8 27. Qh4 Kg7
28. Qg4+ Kf8 29. Qg6 Be7 30. Qh6+ Kg8 31. Qg6+ Kf8 32. Qh6+ Kg8 33. Qg6+ Kf8
1/2-1/2

