[Event "21st Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1981.04.21"]
[Round "1"]
[White "Calvo Minguez, Ricardo"]
[Black "Martin Gonzalez, Angel"]
[Result "1/2-1/2"]
[WhiteElo "2410"]
[BlackElo "2365"]
[ECO "A37"]
[EventDate "1981.04.??"]
[PlyCount "135"]

1. c4 g6 2. Nc3 c5 3. g3 Bg7 4. Bg2 Nc6 5. Nf3 e5 6. a3 Nge7 7. Rb1 a5 8. d3
O-O 9. Bg5 h6 10. Bxe7 Nxe7 11. O-O d5 12. cxd5 Nxd5 13. Nxd5 Qxd5 14. Nd2 Qd4
15. Qc2 Bg4 16. Nc4 Ra7 17. Ne3 Be6 18. Rfc1 b6 19. Nd5 Bxd5 20. e3 Bb3 21.
Qxb3 Qd6 22. Qb5 Rd7 23. Rc3 f5 24. Rb3 Rf6 25. Rc3 Re6 26. b4 axb4 27. axb4
Rc7 28. bxc5 Rxc5 29. Rxc5 bxc5 30. Qc4 Kh7 31. Rb5 Bf8 32. Rxc5 Qxc5 33. Qxe6
Qc1+ 34. Bf1 Qc7 35. h4 Qe7 36. Qd5 h5 37. Bg2 Kg7 38. Bf3 Qd6 39. Qb7+ Qe7 40.
Qb2 Kh6 41. Bd5 Bg7 42. Kg2 Bf6 43. Qb6 Qd8 44. Qc6 Qe7 45. Be6 Qd8 46. Bd7 Kg7
47. Qd5 Qg8 48. Be6 Qd8 49. Bd7 Qg8 50. Qc6 Qd8 51. e4 fxe4 52. dxe4 Be7 53.
Qe6 Bf6 54. Bc6 Qe7 55. Qb3 Qc7 56. Bd5 Be7 57. Qb5 Bf6 58. Qe8 Qe7 59. Qg8+
Kh6 60. Qc8 Qd8 61. Qc6 Qf8 62. Qc1+ Kg7 63. f3 Qe7 64. Qc6 Qb4 65. Qc7+ Kh6
66. Qc1+ Kg7 67. Kh3 Qb5 68. Bc4 1/2-1/2

[Event "21st Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1981.04.21"]
[Round "1"]
[White "Ciocaltea, Victor"]
[Black "Bellon Lopez, Juan Manuel"]
[Result "0-1"]
[WhiteElo "2445"]
[BlackElo "2415"]
[ECO "A00"]
[EventDate "1981.04.??"]
[PlyCount "40"]

1. b4 d5 2. Bb2 Bg4 3. Nf3 Bxf3 4. gxf3 e6 5. a3 Nd7 6. e3 Qh4 7. f4 Ngf6 8.
Qf3 Be7 9. Rg1 g6 10. Nc3 O-O 11. Be2 d4 12. Nb5 c5 13. bxc5 dxe3 14. dxe3 Rfd8
15. Rg3 Qh6 16. O-O-O Nxc5 17. f5 Nfe4 18. Kb1 Nxg3 19. Qxg3 Qg5 20. fxg6 hxg6
0-1

[Event "21st Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1981.04.21"]
[Round "1"]
[White "Csom, Istvan"]
[Black "Rivas Pastor, Manuel"]
[Result "1/2-1/2"]
[WhiteElo "2500"]
[BlackElo "2460"]
[ECO "A11"]
[EventDate "1981.04.??"]
[PlyCount "70"]

1. c4 c6 2. Nf3 d5 3. Qc2 Nf6 4. g3 Bg4 5. Bg2 Nbd7 6. O-O Bxf3 7. exf3 dxc4 8.
Qxc4 g6 9. Re1 Bg7 10. Qd4 O-O 11. Nc3 Qb6 12. Qxb6 axb6 13. Rxe7 Rfe8 14.
Rxe8+ Rxe8 15. b3 Re1+ 16. Bf1 Ne5 17. Kg2 Nxf3 18. Kxf3 Rxf1 19. Bb2 Rxa1 20.
Bxa1 b5 21. Bb2 Nd5 22. Nxd5 Bxb2 23. Nf4 Kf8 24. Nd3 Bd4 25. Ke4 Bb6 26. g4
Ke7 27. f4 Ke6 28. f5+ Kf6 29. Ne5 Bc7 30. d4 gxf5+ 31. gxf5 Bd6 32. Ng4+ Kg5
33. Ne5 Kf6 34. Ng4+ Kg5 35. Ne5 Kf6 1/2-1/2

[Event "21st Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1981.04.21"]
[Round "1"]
[White "Diez del Corral Rivas, Jesus"]
[Black "Ivkov, Borislav"]
[Result "1/2-1/2"]
[WhiteElo "2480"]
[BlackElo "2540"]
[ECO "C85"]
[EventDate "1981.04.??"]
[PlyCount "40"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Bxc6 dxc6 7. Qe1 Nd7 8.
b3 c5 9. Bb2 f6 10. Nh4 Nf8 11. Nf5 Ne6 12. Nc3 O-O 13. Ne2 Bd6 14. d3 Nd4 15.
Nexd4 cxd4 16. f4 exf4 17. Nxd6 Qxd6 18. Qf2 c5 19. Qxf4 Qxf4 20. Rxf4 Be6
1/2-1/2

[Event "21st Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1981.04.21"]
[Round "1"]
[White "Fernandez Garcia, Jose Luis"]
[Black "Marovic, Drazen"]
[Result "1/2-1/2"]
[WhiteElo "2415"]
[BlackElo "2445"]
[ECO "B16"]
[EventDate "1981.04.??"]
[PlyCount "52"]

1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nf6 5. Nxf6+ gxf6 6. c3 Bf5 7. Nf3 Nd7 8.
g3 Qa5 9. Qe2 Qd5 10. Bg2 Qe4 11. Be3 Qd3 12. Qxd3 Bxd3 13. Rd1 Bc2 14. Rc1 Be4
15. O-O e6 16. c4 c5 17. Rfd1 O-O-O 18. dxc5 Nxc5 19. Rxd8+ Kxd8 20. Nd4 Bxg2
21. Kxg2 Kc8 22. Rd1 a6 23. Ne2 Be7 24. Nc3 Rd8 25. Rxd8+ Kxd8 26. Kf1 f5
1/2-1/2

[Event "21st Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1981.04.21"]
[Round "1"]
[White "Tal, Mikhail"]
[Black "Vera Gonzalez, Reynaldo"]
[Result "1/2-1/2"]
[WhiteElo "2555"]
[BlackElo "2455"]
[ECO "D32"]
[EventDate "1981.04.??"]
[PlyCount "45"]

1. c4 e6 2. Nf3 d5 3. d4 c5 4. cxd5 exd5 5. Nc3 Nc6 6. Bg5 Be7 7. Bxe7 Ngxe7 8.
e3 c4 9. Be2 Rb8 10. b3 Qa5 11. Rc1 b5 12. bxc4 bxc4 13. O-O Bf5 14. Nh4 Be6
15. f4 f5 16. Nf3 O-O 17. Qa4 Rb2 18. Qxa5 Nxa5 19. Ng5 Bd7 20. Bf3 h6 21. Nh3
Be6 22. Rb1 Rfb8 23. Nf2 1/2-1/2

[Event "21st Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1981.04.22"]
[Round "2"]
[White "Bellon Lopez, Juan Manuel"]
[Black "Tal, Mikhail"]
[Result "0-1"]
[WhiteElo "2415"]
[BlackElo "2555"]
[ECO "B82"]
[EventDate "1981.04.??"]
[PlyCount "78"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Nb3 e6 7. f4 a6 8. Be3
b5 9. Qf3 $5 ({Known is} 9. a3) 9... Bb7 10. O-O-O Na5 $5 ({Or} 10... Qc7 {
(Khalifman).}) 11. Nc5 $1 Bc6 $1 12. Nd3 Nc4 13. Ne5 $2 {
Bellon imitates Tal's style poorly.} ({Correct is} 13. Bd4 Qc7 14. Nf2) 13...
Nxe3 14. Nxc6 Qb6 15. Rd3 Nxc2 $1 16. Kxc2 Qxc6 {Black has gained a pawn.} 17.
a3 Nd7 18. Kb1 Be7 19. Be2 O-O 20. Rc1 Rfc8 21. Na2 Qb7 22. Rxc8+ Rxc8 23. Rc3
Rxc3 24. Nxc3 Qb6 25. Nd1 Bf6 26. Ka2 Qd4 27. Qe3 Nc5 28. Qxd4 Bxd4 29. b4 Nxe4
30. a4 Nf6 31. axb5 axb5 32. Kb3 Nd5 33. Bxb5 Nxf4 34. Bc6 d5 35. g3 Nd3 36.
Nc3 Kf8 37. Ne2 Bf2 38. Nf4 Nxf4 39. gxf4 f5 $1 {
Tal has two extra pawns and f4 will fall.} 0-1

[Event "21st Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1981.04.22"]
[Round "2"]
[White "Fernandez Garcia, Jose Luis"]
[Black "Csom, Istvan"]
[Result "0-1"]
[WhiteElo "2415"]
[BlackElo "2500"]
[ECO "B51"]
[EventDate "1981.04.??"]
[PlyCount "96"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. d4 Ngf6 5. O-O cxd4 6. Qxd4 a6 7. Bxd7+ Bxd7
8. Bg5 h6 9. Bxf6 gxf6 10. Nc3 e6 11. Qd3 $5 ({Preferable is} 11. Nd2 $1 Bc6
12. Rfe1 {(Schmit - Petkevich, Soviet Union 1970).}) 11... Be7 12. Nd4 $5 Qa5
13. a4 Rc8 14. Ra3 $5 h5 15. Rb3 Rc7 16. f4 h4 17. Kh1 Kd8 $1 18. e5 $2 fxe5
19. fxe5 Qxe5 20. Rxf7 h3 $1 {Black has a great positional advantage.} 21. gxh3
Rxh3 $5 22. Qxh3 Qxd4 23. Ne2 Bc6+ 24. Rbf3 Bxf3+ 25. Rxf3 Qd1+ $2 (25... Qxb2
26. Qxe6 Rxc2 27. Qg8+ Kc7 {continues the attack.}) 26. Ng1 Qd5 $5 27. c3 Rc4
28. b3 Rh4 29. c4 Qe4 30. Qg2 Kd7 31. Rf7 e5 $5 32. Qxe4 $6 ({Better is} 32.
Ne2 $1 {(Csom)} Qxg2+ 33. Kxg2) 32... Rxe4 33. Kg2 Ke6 34. Rh7 Re3 35. Rh3 Rxh3
$5 36. Nxh3 d5 37. Kf3 dxc4 38. bxc4 Kd6 $1 39. Ke4 Kc5 40. Ng1 Kxc4 41. Nf3 ({
Or} 41. Kxe5 Kb4) 41... Kb4 42. h4 Kxa4 43. h5 b5 44. h6 Bf8 45. h7 Bg7 46.
Nxe5 b4 47. Nc4 b3 48. Kd3 a5 $1 {The extra pawn decides in the ending.} 0-1

[Event "21st Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1981.04.22"]
[Round "2"]
[White "Marovic, Drazen"]
[Black "Ivkov, Borislav"]
[Result "1/2-1/2"]
[WhiteElo "2445"]
[BlackElo "2540"]
[ECO "E80"]
[EventDate "1981.04.??"]
[PlyCount "26"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 c5 6. dxc5 dxc5 7. Qxd8+ Kxd8 8.
e5 Nfd7 9. f4 f6 10. exf6 exf6 11. Bd2 Re8+ 12. Be2 Nc6 13. O-O-O Nd4 1/2-1/2

[Event "21st Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1981.04.22"]
[Round "2"]
[White "Martin Gonzalez, Angel"]
[Black "Ciocaltea, Victor"]
[Result "0-1"]
[WhiteElo "2365"]
[BlackElo "2445"]
[ECO "B06"]
[EventDate "1981.04.??"]
[PlyCount "90"]

1. e4 g6 2. d4 Bg7 3. Nc3 c6 4. Bc4 d6 5. Qf3 e6 6. Bf4 Qe7 7. e5 d5 8. Bd3 b6
9. h4 h6 10. Qe2 Qb4 11. O-O-O Qxd4 12. Nh3 Qc5 13. h5 g5 14. Bg3 Nd7 15. f4
gxf4 16. Bxf4 Qe7 17. Rhf1 Nc5 18. Qg4 Bf8 19. Be2 Qc7 20. Bh2 a5 21. Qf3 Rh7
22. Nf2 Be7 23. Kb1 Bg5 24. Nh3 Bd7 25. Nxg5 hxg5 26. Qg3 O-O-O 27. Qxg5 Nh6
28. g4 f5 29. gxf5 Nxf5 30. Bg4 Rg7 31. Qf4 Rxg4 32. Qxg4 Ne3 33. Qg7 Nxd1 34.
Rxd1 Be8 35. h6 Qf7 36. Rg1 d4 37. Ne2 Qh5 38. Nc1 Qxh2 39. h7 Bd7 40. Qg8 Nb7
41. Nd3 c5 42. Nf4 Kc7 43. Nxe6+ Bxe6 44. Rg7+ Bd7 45. Qxd8+ Nxd8 0-1

[Event "21st Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1981.04.22"]
[Round "2"]
[White "Rivas Pastor, Manuel"]
[Black "Calvo Minguez, Ricardo"]
[Result "0-1"]
[WhiteElo "2460"]
[BlackElo "2410"]
[ECO "E12"]
[EventDate "1981.04.??"]
[PlyCount "138"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Ba6 5. Qc2 d5 6. cxd5 exd5 7. g3 Bd6 8. Bg2
O-O 9. O-O Nbd7 10. Nc3 Re8 11. Rd1 c6 12. Nh4 g6 13. Bg5 Be7 14. Rac1 Bb7 15.
b4 Ne4 16. Bxe7 Qxe7 17. e3 Ndf6 18. Nf3 Nxc3 19. Qxc3 Ne4 20. Qb3 Qf6 21. Rc2
Re7 22. Rdc1 Rae8 23. Ne5 Rxe5 24. dxe5 Qxe5 25. Qb2 Qf5 26. h4 h5 27. Rd1 g5
28. hxg5 Qxg5 29. Rd4 h4 30. gxh4 Qxh4 31. Qc1 c5 32. bxc5 bxc5 33. Rxe4 dxe4
34. Rxc5 Re6 35. Qd1 Rh6 36. Kf1 Ba6+ 37. Ke1 Rg6 38. Rh5 Qf6 39. Rh2 Bd3 40.
Qc1 Kg7 41. Bf1 Qe5 42. f4 exf3 43. Rf2 Be4 44. Qb2 f6 45. Qxe5 fxe5 46. Rd2
Bc6 47. Rd8 e4 48. Bc4 Rg1+ 49. Kd2 Ra1 50. Rc8 Ba4 51. Rc7+ Kf6 52. Rf7+ Kg6
53. Rf4 Bc6 54. Kc3 Rxa3+ 55. Kd4 Ra5 56. Rf8 Kg5 57. Rc8 Bd7 58. Rg8+ Kh4 59.
Kxe4 Ra4 60. Kd3 Bh3 61. Rh8+ Kg3 62. Kc3 f2 63. Rf8 Ra1 64. Kb2 Re1 65. Rf7 a5
66. Ra7 Bf1 67. Bd5 Bd3 68. Rg7+ Kh4 69. Bg2 Rg1 0-1

[Event "21st Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1981.04.22"]
[Round "2"]
[White "Vera Gonzalez, Reynaldo"]
[Black "Diez del Corral Rivas, Jesus"]
[Result "1/2-1/2"]
[WhiteElo "2455"]
[BlackElo "2480"]
[ECO "E81"]
[EventDate "1981.04.??"]
[PlyCount "65"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Bg5 c6 7. Qd2 a6 8. Nge2 b5
9. Nc1 Nbd7 10. a4 bxc4 11. Bxc4 c5 12. d5 Nb6 13. Be2 Rb8 14. O-O Re8 15. Ra3
Na8 16. Nb3 Qb6 17. Rb1 e6 18. Na1 Nc7 19. Rb3 Qa7 20. Rxb8 Qxb8 21. dxe6 Nxe6
22. Be3 Nd4 23. Bc4 Nd7 24. Kh1 Ne5 25. Bd5 Qb4 26. Nc2 Nxc2 27. Qxc2 Nc4 28.
Na2 Nxe3 29. Nxb4 Nxc2 30. Nxc2 Be6 31. Ne3 Bxd5 32. Nxd5 f5 33. b4 1/2-1/2

[Event "21st Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1981.04.23"]
[Round "3"]
[White "Calvo Minguez, Ricardo"]
[Black "Fernandez Garcia, Jose Luis"]
[Result "0-1"]
[WhiteElo "2410"]
[BlackElo "2415"]
[ECO "D91"]
[EventDate "1981.04.??"]
[PlyCount "104"]

1. c4 Nf6 2. d4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Bg5 Ne4 6. cxd5 Nxg5 7. Nxg5 c6 8.
e3 e6 9. dxe6 Qxg5 10. exf7+ Kf8 11. Qb3 Qe7 12. d5 cxd5 13. Nxd5 Qc5 14. Nc3
Bxc3+ 15. bxc3 Nc6 16. O-O-O Qe7 17. Bc4 Bg4 18. f3 Na5 19. Qa4 Nxc4 20. Qxc4
Be6 21. Qd4 Kxf7 22. Qf4+ Qf6 23. Qc7+ Qe7 24. Qf4+ Kg7 25. Rd6 Qf6 26. Qc4
Rhc8 27. Kb2 a5 28. Qd4 Rc6 29. Rxc6 bxc6 30. Rd1 Rb8+ 31. Ka3 c5 32. Qxf6+
Kxf6 33. Rd6 Rb1 34. Ra6 Ra1 35. c4 Rc1 36. Kb3 Rb1+ 37. Kc3 Rb4 38. Rxa5 Rxc4+
39. Kd2 Rb4 40. Rxc5 Rb2+ 41. Rc2 Rxc2+ 42. Kxc2 Bxa2 43. Kd3 Ke5 44. e4 Kf4
45. Ke2 Bc4+ 46. Kf2 Bb3 47. g3+ Ke5 48. Ke3 Bd1 49. f4+ Kd6 50. h3 h5 51. Kd4
Bf3 52. f5 gxf5 0-1

[Event "21st Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1981.04.23"]
[Round "3"]
[White "Ciocaltea, Victor"]
[Black "Rivas Pastor, Manuel"]
[Result "1-0"]
[WhiteElo "2445"]
[BlackElo "2460"]
[ECO "C65"]
[EventDate "1981.04.??"]
[PlyCount "81"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. Qe2 d6 5. c3 Bd7 6. d3 g6 7. Ba4 Bg7 8. Bc2
a5 9. a4 O-O 10. Na3 Nh5 11. g3 f5 12. Bb3+ Kh8 13. Ng5 Qf6 14. exf5 Bxf5 15.
Nb5 Rac8 16. Be3 h6 17. h4 Bd7 18. Ne4 Qf3 19. Qxf3 Rxf3 20. O-O-O Rff8 21.
Rhg1 Bg4 22. Rde1 Ne7 23. f4 Kh7 24. fxe5 Bxe5 25. d4 Bg7 26. Nf2 Bd7 27. g4
Nf6 28. Bd2 Nfg8 29. Nd3 Bxb5 30. axb5 c5 31. dxc5 dxc5 32. Nf4 Rf6 33. Bc2 Rd8
34. Nxg6 Nxg6 35. h5 Kh8 36. Bxg6 a4 37. g5 hxg5 38. Bxg5 Bh6 39. Bxh6 Nxh6 40.
Re7 Kg8 41. Rxb7 1-0

[Event "21st Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1981.04.23"]
[Round "3"]
[White "Csom, Istvan"]
[Black "Marovic, Drazen"]
[Result "1/2-1/2"]
[WhiteElo "2500"]
[BlackElo "2445"]
[ECO "A06"]
[EventDate "1981.04.??"]
[PlyCount "120"]

1. Nf3 d5 2. b3 Nf6 3. Bb2 Bg4 4. e3 e6 5. c4 Be7 6. cxd5 exd5 7. Be2 O-O 8. d3
Ne8 9. O-O Bf6 10. Qc2 Bxb2 11. Qxb2 a5 12. a3 Nd6 13. Nbd2 Nd7 14. Rfc1 c6 15.
Bf1 Bxf3 16. Nxf3 Qe7 17. b4 g6 18. Nd2 Rfc8 19. Nb3 axb4 20. axb4 Rxa1 21.
Qxa1 Nb5 22. Nd4 Nxd4 23. Qxd4 Ra8 24. b5 Qa3 25. Rc3 Qd6 26. bxc6 bxc6 27. Rc1
c5 28. Qb2 Rc8 29. h3 Nf8 30. Be2 Ne6 31. Qb7 Rc7 32. Qb8+ Kg7 33. Ra1 d4 34.
e4 c4 35. dxc4 d3 36. Bf1 Qd4 37. Rd1 d2 38. Qa8 Rd7 39. Be2 Nc5 40. Bf3 Qxc4
41. Qa1+ Qd4 42. Qa3 Nxe4 43. Bxe4 Qxe4 44. Qc3+ f6 45. Kf1 Qd5 46. Qe3 Qc4+
47. Qe2 Qd5 48. Qe3 h5 49. Qe2 h4 50. Qe3 Qc4+ 51. Qe2 Qf4 52. Qe3 Qc4+ 53. Qe2
Qc2 54. Kg1 f5 55. Kf1 Qc5 56. Qe3 Qc2 57. Qe2 Kf7 58. Kg1 Rd6 59. Kf1 Kf6 60.
Kg1 Re6 1/2-1/2

[Event "21st Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1981.04.23"]
[Round "3"]
[White "Diez del Corral Rivas, Jesus"]
[Black "Bellon Lopez, Juan Manuel"]
[Result "1-0"]
[WhiteElo "2480"]
[BlackElo "2415"]
[ECO "E31"]
[EventDate "1981.04.??"]
[PlyCount "51"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bg5 h6 5. Bh4 c5 6. d5 exd5 7. cxd5 d6 8. e3
Nbd7 9. Bd3 Qa5 10. Nge2 Nxd5 11. O-O Bxc3 12. Nxc3 Nxc3 13. bxc3 Qxc3 14. Rc1
Qa5 15. Qg4 g5 16. Qe4+ Kf8 17. Bg3 Qc7 18. Bc4 Nf6 19. Qd3 Ke7 20. Rcd1 Rd8
21. f4 b5 22. fxg5 bxc4 23. gxf6+ Ke8 24. Qe4+ Be6 25. Bxd6 Qb6 26. Be7 1-0

[Event "21st Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1981.04.23"]
[Round "3"]
[White "Ivkov, Borislav"]
[Black "Vera Gonzalez, Reynaldo"]
[Result "1/2-1/2"]
[WhiteElo "2540"]
[BlackElo "2455"]
[ECO "D26"]
[EventDate "1981.04.??"]
[PlyCount "35"]

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 c5 5. Bxc4 e6 6. O-O a6 7. dxc5 Bxc5 8.
Qe2 b5 9. Bd3 Nbd7 10. a3 Bb7 11. Rd1 Qb8 12. Nbd2 Bd6 13. h3 Nc5 14. Bc2 Nce4
15. Nxe4 Nxe4 16. Nd2 Nf6 17. e4 O-O 18. Nf3 1/2-1/2

[Event "21st Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1981.04.23"]
[Round "3"]
[White "Tal, Mikhail"]
[Black "Martin Gonzalez, Angel"]
[Result "1-0"]
[WhiteElo "2555"]
[BlackElo "2365"]
[ECO "A40"]
[EventDate "1981.04.??"]
[PlyCount "65"]

1. Nf3 c5 2. c4 g6 3. d4 Bg7 4. g3 cxd4 5. Nxd4 d5 6. Bg2 $5 ({Known is} 6. Nc3
dxc4 7. Ndb5) 6... e5 $6 ({Preferable is} 6... dxc4 7. Qa4+ {(Khalifman)} Nd7)
7. Qa4+ $1 Bd7 8. Nb5 Ne7 9. cxd5 O-O $5 10. Qb3 $5 Na6 $5 11. N1c3 $5 Nf5 12.
O-O Qb6 13. Na3 $6 (13. a4 $1 {gains an edge.}) 13... Qxb3 14. axb3 Nd4 $6 (
14... Nc5 $1 15. b4 Nb3 16. Ra2 Rac8 {almost equalises.}) 15. Bg5 Nxb3 16. Rad1
Nac5 17. d6 Rab8 18. Nab5 a6 19. Nc7 Nd4 $2 (19... f6 $1 20. Bd5+ Kh8 21. Be3
a5 {defends well.}) 20. Be7 $1 Rfc8 21. e3 Nc6 22. N3d5 $1 Bg4 23. Rc1 Nd7 24.
f3 Bf5 25. e4 Be6 26. Nxe6 fxe6 27. Bh3 $1 Nd4 28. Nc7 Bh6 29. Rcd1 Nf8 30. f4
Bg7 31. Rxd4 $5 exd4 32. e5 Kf7 33. Bxf8 {
Tal had won his second game and slowed down.} 1-0

[Event "21st Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1981.04.24"]
[Round "4"]
[White "Bellon Lopez, Juan Manuel"]
[Black "Ivkov, Borislav"]
[Result "0-1"]
[WhiteElo "2415"]
[BlackElo "2540"]
[ECO "C08"]
[EventDate "1981.04.??"]
[PlyCount "142"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 Nf6 5. exd5 exd5 6. Bb5+ Bd7 7. Bxd7+ Nbxd7
8. O-O Be7 9. dxc5 Nxc5 10. Nd4 O-O 11. Nf5 Re8 12. Nf3 Bf8 $5 ({
The alternative is} 12... Nce4) 13. Be3 Qd7 14. Bxc5 Bxc5 15. N3d4 $5 ({
More solid is} 15. N5d4 $1) 15... Re4 16. c3 Rae8 17. Qd2 g6 $1 18. Ng3 R4e5
19. Rad1 Ne4 20. Nxe4 dxe4 21. b4 $2 (21. Nc2 $1 {equalises.}) 21... Bb6 22. c4
Rd8 23. c5 Rd5 $1 24. cxb6 axb6 $1 25. f3 Rxd4 26. Qxd4 Qxd4+ 27. Rxd4 Rxd4 28.
fxe4 Rxe4 {Black has an extra pawn in the rook ending.} 29. a3 Kf8 30. Rc1 Ke8
31. Kf2 h5 32. Rc7 Re7 33. Rc4 Kd7 34. h4 Kd6 35. Rc3 Re4 $5 36. g3 Re7 37. Rf3
Ke6 38. Re3+ Kf6 39. Rd3 Ke5 40. Re3+ Kd6 41. Rf3 f5 $5 (41... Kd5 42. Rc3 Kd4
43. Rc8 Ke4 {shows more aggression.}) 42. Rc3 Re4 43. Rd3+ Ke6 44. Rc3 Rd4 45.
Rc7 Rd7 46. Rc3 Ke5 47. Re3+ Kf6 48. Rc3 g5 49. hxg5+ Kxg5 50. Rc8 $1 Rd2+ 51.
Ke3 Ra2 52. Rg8+ Kf6 53. Rh8 $5 Ke5 54. Rh6 $2 (54. Rxh5 $5 Rxa3+ 55. Kf2 {
draws.}) 54... Rxa3+ 55. Kf2 b5 56. Rb6 $5 Ke4 57. Kg2 $2 {
White misses the last chance.} (57. Rxb7 Ra2+ 58. Kg1 {still escapes.}) 57...
Rd3 $1 58. Rxb5 Rd7 59. Rb6 $5 f4 60. gxf4 Kxf4 61. Kh3 Ke5 62. Kh4 $5 Rh7 63.
Rb5+ Kd4 $1 64. Rc5 Rh6 65. Kh3 h4 66. Rc7 Rb6 $1 67. Kxh4 Rxb4 68. Kg3 b5 $1
69. Kf2 Rc4 $1 70. Rb7 b4 $1 71. Ke2 Kc3 $1 {
Ivkov found the narrow path to victory.} 0-1

[Event "21st Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1981.04.24"]
[Round "4"]
[White "Csom, Istvan"]
[Black "Calvo Minguez, Ricardo"]
[Result "1/2-1/2"]
[WhiteElo "2500"]
[BlackElo "2410"]
[ECO "A07"]
[EventDate "1981.04.??"]
[PlyCount "64"]

1. Nf3 d5 2. g3 c6 3. Bg2 Bf5 4. d3 e6 5. Nbd2 Nf6 6. b3 Nbd7 7. Bb2 h6 8. O-O
Bc5 9. e4 Bh7 10. Qe2 O-O 11. Kh1 dxe4 12. dxe4 Qb6 13. Ne1 a5 14. Nd3 Qa6 15.
c4 Be7 16. e5 Bxd3 17. Qxd3 Nc5 18. Qe2 Nfd7 19. Bc3 Rad8 20. Rfd1 Qb6 21. Rab1
Qc7 22. f4 Rfe8 23. h4 f5 24. exf6 Bxf6 25. Bxf6 Nxf6 26. Ne4 Ncxe4 27. Bxe4
Nxe4 28. Qxe4 Qf7 29. Kg2 Qf6 30. Qe2 Qf5 31. Rxd8 Rxd8 32. Rd1 Rxd1 1/2-1/2

[Event "21st Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1981.04.24"]
[Round "4"]
[White "Fernandez Garcia, Jose Luis"]
[Black "Ciocaltea, Victor"]
[Result "1/2-1/2"]
[WhiteElo "2415"]
[BlackElo "2445"]
[ECO "B06"]
[EventDate "1981.04.??"]
[PlyCount "108"]

1. e4 g6 2. d4 Bg7 3. Nc3 c6 4. Bc4 d6 5. Qf3 e6 6. Nge2 Qe7 7. h4 h6 8. Qg3 e5
9. dxe5 dxe5 10. h5 g5 11. a4 Nd7 12. b3 Bf8 13. Ba3 Qf6 14. Bxf8 Kxf8 15. Nd1
Nc5 16. f3 Qe7 17. Ne3 a5 18. Qf2 b6 19. Ng3 Qc7 20. Ngf5 Bxf5 21. Nxf5 Ne7 22.
Ne3 Kg7 23. O-O Rhd8 24. Rfd1 Rxd1+ 25. Rxd1 Rd8 26. Qe1 Rxd1 27. Qxd1 Qd7 28.
Qxd7 Nxd7 29. Ng4 Nc8 30. Kf2 Nd6 31. Bd3 f6 32. Ne3 Nc5 33. Bc4 b5 34. axb5
cxb5 35. Bd5 b4 36. Ke2 a4 37. bxa4 Nxa4 38. Bb3 Nb6 39. Kd3 Kf8 40. Ng4 Kg7
41. Ne3 Kf8 42. Ng4 Kg7 43. Kd2 Nd7 44. Ne3 Nc5 45. Nd5 g4 46. Nxb4 f5 47. Nd3
gxf3 48. gxf3 Nxb3+ 49. cxb3 fxe4 50. Nxe5 exf3 51. Ng4 Ne4+ 52. Ke3 Ng3 53. b4
Nxh5 54. b5 f2 1/2-1/2

[Event "21st Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1981.04.24"]
[Round "4"]
[White "Marovic, Drazen"]
[Black "Vera Gonzalez, Reynaldo"]
[Result "1/2-1/2"]
[WhiteElo "2445"]
[BlackElo "2455"]
[ECO "D35"]
[EventDate "1981.04.??"]
[PlyCount "30"]

1. c4 e6 2. Nc3 d5 3. d4 c6 4. Nf3 Nf6 5. cxd5 exd5 6. Qc2 Be7 7. Bf4 Na6 8. a3
Nc7 9. e3 Ne6 10. Be5 Qa5 11. Bd3 Ne4 12. O-O f6 13. Bg3 f5 14. Be5 Qd8 15. Nd2
Bf6 1/2-1/2

[Event "21st Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1981.04.24"]
[Round "4"]
[White "Martin Gonzalez, Angel"]
[Black "Diez del Corral Rivas, Jesus"]
[Result "1/2-1/2"]
[WhiteElo "2365"]
[BlackElo "2480"]
[ECO "B40"]
[EventDate "1981.04.??"]
[PlyCount "84"]

1. e4 e6 2. d3 b6 3. Nf3 Bb7 4. g3 c5 5. Bg2 d6 6. O-O Be7 7. Re1 Nf6 8. Nc3
Nfd7 9. d4 cxd4 10. Nxd4 O-O 11. b3 a6 12. a4 Nc6 13. Nxc6 Bxc6 14. Bb2 Qc7 15.
Nd5 Bxd5 16. exd5 e5 17. f4 Bf6 18. f5 Rac8 19. c4 Qc5+ 20. Kh1 a5 21. Be4 Bg5
22. Qf3 Qc7 23. h4 Bh6 24. Rg1 Qd8 25. Rg2 Nc5 26. Rf1 Kh8 27. Bc2 Qf6 28. Rh2
Rce8 29. g4 g5 30. hxg5 Bxg5 31. Qh3 h6 32. Bc1 Rg8 33. Bxg5 Rxg5 34. Qxh6+
Qxh6 35. Rxh6+ Kg7 36. Rh4 f6 37. Kg2 Rh8 38. Rxh8 Kxh8 39. Rh1+ Kg8 40. Kg3
Rg7 41. Rh6 Nd7 42. Kh4 Rh7 1/2-1/2

[Event "21st Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1981.04.24"]
[Round "4"]
[White "Rivas Pastor, Manuel"]
[Black "Tal, Mikhail"]
[Result "1/2-1/2"]
[WhiteElo "2460"]
[BlackElo "2555"]
[ECO "D58"]
[EventDate "1981.04.??"]
[PlyCount "40"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 h6 6. Bh4 O-O 7. e3 b6 8. Be2
Nbd7 9. Rc1 Bb7 10. O-O c5 11. cxd5 Nxd5 12. Bxe7 Qxe7 13. Nxd5 Bxd5 14. Qa4 a5
15. Bb5 Rfd8 16. Bxd7 Qxd7 17. Qxd7 Rxd7 18. dxc5 bxc5 19. Rxc5 Bxa2 20. Ra1
Bd5 1/2-1/2

[Event "21st Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1981.04.25"]
[Round "5"]
[White "Calvo Minguez, Ricardo"]
[Black "Marovic, Drazen"]
[Result "1-0"]
[WhiteElo "2410"]
[BlackElo "2445"]
[ECO "A13"]
[EventDate "1981.04.??"]
[PlyCount "77"]

1. c4 e6 2. g3 d5 3. Bg2 dxc4 4. Qa4+ Nd7 5. Qxc4 a6 6. d3 Ngf6 7. Nf3 b5 8.
Qc2 Bb7 9. O-O c5 10. a4 Be7 11. Nc3 Qb6 12. axb5 axb5 13. Rxa8+ Bxa8 14. Qb3
Nd5 15. Nd2 Nxc3 16. bxc3 Bxg2 17. Kxg2 O-O 18. Ne4 $5 ({Known is} 18. f3)
18... Qc6 19. f3 Nb6 {Black controls more territory.} 20. c4 $6 b4 $1 21. Bb2
f5 22. Nd2 Ra8 23. Ra1 Bg5 24. Qc2 Na4 $5 25. Be5 Bf6 $6 (25... Nb6 26. Rxa8+
Qxa8 {keeps a plus.}) 26. Bxf6 gxf6 27. Nb3 Kg7 $5 28. Qd2 $5 e5 29. e4 fxe4
30. dxe4 Nb6 $2 (30... Qc7 $5 31. Nxc5 $5 Qxc5 32. Qd7+ Kg6 33. Rxa4 Rxa4 34.
Qg4+ {draws.}) 31. Rxa8 Nxa8 32. Qd8 $1 Nc7 $2 (32... Nb6 $5 33. Qe7+ Kg8 34.
Na5 Qd7 35. Qxc5 Qd2+ 36. Qf2 Qxf2+ 37. Kxf2 b3 38. Nxb3 Nxc4 {
offers more resistance.}) 33. Qe7+ $1 Kg6 34. Nxc5 Kh6 35. Qf8+ Kg6 36. Qg8+
Kh6 37. Nd3 Ne6 38. Nf2 $1 Ng7 39. Qf7 {Calvo has a mate attack.} 1-0

[Event "21st Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1981.04.25"]
[Round "5"]
[White "Ciocaltea, Victor"]
[Black "Csom, Istvan"]
[Result "1/2-1/2"]
[WhiteElo "2445"]
[BlackElo "2500"]
[ECO "B53"]
[EventDate "1981.04.??"]
[PlyCount "36"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nc6 4. d4 cxd4 5. Qxd4 Nf6 6. O-O Nd7 7. Qe3 e6 8.
Rd1 Qc7 9. b3 Be7 10. Ba3 O-O 11. Bxc6 bxc6 12. e5 Nxe5 13. Nxe5 dxe5 14. Bxe7
Qxe7 15. Qxe5 Bb7 16. Nc3 Rfd8 17. Rxd8+ Rxd8 18. Rd1 h6 1/2-1/2

[Event "21st Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1981.04.25"]
[Round "5"]
[White "Diez del Corral Rivas, Jesus"]
[Black "Rivas Pastor, Manuel"]
[Result "0-1"]
[WhiteElo "2480"]
[BlackElo "2460"]
[ECO "B91"]
[EventDate "1981.04.??"]
[PlyCount "192"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3 e5 7. Nde2 Nbd7 8.
Bg2 Be7 9. O-O O-O 10. a4 b6 11. h3 h5 12. Be3 Bb7 13. Nd5 Nxd5 14. exd5 Rc8
15. f4 exf4 16. Nxf4 Bf6 17. c3 Re8 18. Bd4 h4 19. gxh4 Bxd4+ 20. Qxd4 Qxh4 21.
Ne2 Qg5 22. h4 Qg6 23. Nf4 Qg4 24. Ne6 Ne5 25. Qxg4 Nxg4 26. Ng5 Rc7 27. Rf4
Ne3 28. Re1 Re5 29. Rb4 Nxg2 30. Rxe5 dxe5 31. Kxg2 Bxd5+ 32. Kf2 Rc6 33. Ke3
f6 34. Nf3 Kf7 35. Rg4 Rc7 36. Rb4 Rc6 37. Rg4 a5 38. Nd2 Rc7 39. Kd3 Ke6 40.
b4 Rd7 41. Ke3 Kf5 42. Rg1 e4 43. bxa5 bxa5 44. Rb1 Bc6 45. Rf1+ Ke5 46. Nc4+
Ke6 47. Nxa5 Rd3+ 48. Kf4 Rd5 49. Nxc6 Rf5+ 50. Kxe4 Rxf1 51. Nd4+ Kd7 52. h5
Rh1 53. Nf5 Rxh5 54. Nxg7 Re5+ 55. Kf4 Ra5 56. Nf5 Rxa4+ 57. Ke3 Ke6 58. Nd4+
Ke5 59. Nc6+ Kf5 60. Kd3 Ke6 61. c4 Kd6 62. Nd4 Ra1 63. Ke4 Rf1 64. Nf5+ Kd7
65. Ne3 Rf2 66. Nd5 Kd6 67. Nf4 Rc2 68. Kd4 Rc1 69. Nd3 Rh1 70. Ke4 Rh5 71. c5+
Kc6 72. Kf4 Kd5 73. Kg4 Rg5+ 74. Kf4 Ke6 75. Kf3 Kd5 76. Kf4 Ke6 77. Kf3 Kf5
78. Nf2 Ke5 79. Ne4 Rg1 80. Nf2 Ra1 81. Ng4+ Ke6 82. Nf2 Rc1 83. Nd3 Rc4 84.
Nf4+ Kf5 85. Nd3 Kg5 86. Ke3 f5 87. Ke2 f4 88. Kf3 Kf5 89. Ke2 Rd4 90. Nf2 Rd8
91. Nd3 Rd5 92. c6 Rd4 93. Ne1 Re4+ 94. Kd2 Rc4 95. Nf3 Ke4 96. Ng5+ Kd4 0-1

[Event "21st Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1981.04.25"]
[Round "5"]
[White "Ivkov, Borislav"]
[Black "Martin Gonzalez, Angel"]
[Result "1/2-1/2"]
[WhiteElo "2540"]
[BlackElo "2365"]
[ECO "B38"]
[EventDate "1981.04.??"]
[PlyCount "53"]

1. Nf3 g6 2. d4 Nf6 3. c4 Bg7 4. Nc3 c5 5. e4 cxd4 6. Nxd4 Nc6 7. Be3 O-O 8.
Be2 b6 9. O-O Bb7 10. f3 e6 11. Ndb5 d5 12. cxd5 exd5 13. exd5 Nb4 14. d6 Nfd5
15. Bf2 a6 16. Nc7 Nxc7 17. Bxb6 Be5 18. dxc7 Qh4 19. f4 Bxf4 20. Rxf4 Qxf4 21.
a3 Qf6 22. Bf2 Nc6 23. Bf3 Rac8 24. Bg3 Ne7 25. Qd6 Qxd6 26. Bxd6 Bxf3 27. gxf3
1/2-1/2

[Event "21st Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1981.04.25"]
[Round "5"]
[White "Tal, Mikhail"]
[Black "Fernandez Garcia, Jose Luis"]
[Result "1/2-1/2"]
[WhiteElo "2555"]
[BlackElo "2415"]
[ECO "D85"]
[EventDate "1981.04.??"]
[PlyCount "200"]

1. c4 Nf6 2. Nc3 g6 3. d4 d5 4. Nf3 Bg7 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 c5 8.
Be3 Bg4 9. Qa4+ Nc6 10. Ne5 Bxe5 11. dxe5 Qc7 12. f4 Bd7 13. Qc2 Qa5 14. Rb1 b6
15. Bc4 Nd4 16. Qd3 Ba4 17. O-O Bc2 18. Qd2 O-O-O 19. cxd4 Qxd2 20. Ba6+ Kc7
21. Bxd2 Bxb1 22. Rxb1 Rxd4 23. Rb2 Rhd8 24. Be3 Rxe4 25. Kf2 Ra4 26. Bb5 Rb4
27. Rxb4 cxb4 28. Ke2 e6 29. g4 Kb7 30. h4 a6 31. Bd3 Kc6 32. Be4+ Kb5 33. f5
a5 34. h5 gxf5 35. gxf5 a4 36. fxe6 fxe6 37. Bd3+ Kc6 38. Bxh7 Kd5 39. h6 b3
40. axb3 a3 41. Bb1 b5 42. b4 Ra8 43. Ba2+ Kxe5 44. Kd3 Rd8+ 45. Kc2 Kf6 46.
Bd2 Rc8+ 47. Kb3 Rd8 48. Bc3+ Kg6 49. Kxa3 Kxh6 50. Bxe6 Kg5 51. Kb3 Kf4 52.
Bh3 Ke3 53. Kc2 Rd6 54. Bf1 Rd5 55. Be1 Rf5 56. Bd3 Rh5 57. Bd2+ Kd4 58. Bc3+
Ke3 59. Bg7 Rd5 60. Bh6+ Kd4 61. Kd2 Rd8 62. Bg7+ Kd5 63. Bc3 Rb8 64. Bf1 Rb6
65. Bg2+ Kc4 66. Kc2 Rb7 67. Be4 Rd7 68. Bf5 Rd6 69. Bg4 Rb6 70. Be2+ Kd5 71.
Kd3 Rh6 72. Bf3+ Kd6 73. Be1 Rh3 74. Ke4 Kc6 75. Kf4+ Kd6 76. Bf2 Kc7 77. Be2
Rh2 78. Bg3 Rh1 79. Ke4+ Kc6 80. Kd4 Rh3 81. Be1 Rb3 82. Bd3 Kb6 83. Be4 Rh3
84. Kd5 Rh5+ 85. Kd6 Rh6+ 86. Kd7 Rh2 87. Bg3 Rd2+ 88. Kc8 Re2 89. Bd5 Re8+ 90.
Kd7 Re2 91. Bc7+ Ka6 92. Bd6 Rc2 93. Bc5 Rd2 94. Kc6 Rh2 95. Be4 Rh7 96. Bd6
Rb7 97. Bf5 Rb8 98. Kc5 Rd8 99. Bc7 Rh8 100. Kc6 Rh6+ 1/2-1/2

[Event "21st Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1981.04.25"]
[Round "5"]
[White "Vera Gonzalez, Reynaldo"]
[Black "Bellon Lopez, Juan Manuel"]
[Result "1-0"]
[WhiteElo "2455"]
[BlackElo "2415"]
[ECO "D14"]
[EventDate "1981.04.??"]
[PlyCount "81"]

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nc3 Nc6 5. Nf3 Nf6 6. Bf4 Bf5 7. e3 e6 8. Ne5
Bd6 9. Bb5 Bxe5 10. Bxc6+ bxc6 11. Bxe5 O-O 12. Bxf6 Qxf6 13. O-O e5 14. dxe5
Qxe5 15. Rc1 Rfd8 16. Qd4 Qxd4 17. exd4 Rab8 18. b3 Rb4 19. Rfd1 Re8 20. f3 Kf8
21. Kf2 Ke7 22. Na4 Kd6 23. Nc5 g5 24. Rc3 Rg8 25. a3 Rbb8 26. Re1 Be6 27. Rec1
Bf5 28. g4 Bg6 29. Na6 Rb6 30. Nb4 Rc8 31. Rc5 f5 32. R1c3 f4 33. Nxd5 Ra6 34.
b4 Ra4 35. Nf6 a5 36. Nd5 axb4 37. Nxb4 Be8 38. d5 h6 39. dxc6 Kc7 40. Nd5+ Kd6
41. Nb6 1-0

[Event "21st Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1981.04.26"]
[Round "6"]
[White "Calvo Minguez, Ricardo"]
[Black "Ciocaltea, Victor"]
[Result "0-1"]
[WhiteElo "2410"]
[BlackElo "2445"]
[ECO "A01"]
[EventDate "1981.04.??"]
[PlyCount "106"]

1. c4 g6 2. Nc3 Bg7 3. g3 d6 4. Bg2 Nf6 5. b3 O-O 6. Bb2 e5 7. e3 Re8 8. Nge2
c6 9. d4 e4 10. Qd2 $5 (10. d5 c5 11. Qc2 {
drew in Williams - Stean, Glasgow 1973.}) 10... Bf5 11. h3 h5 $1 12. Rc1 Na6
13. a3 Nc7 14. b4 $5 d5 $1 15. cxd5 cxd5 16. Nf4 Qd7 17. Bf1 $5 Bf8 $5 18. Qd1
Bd6 19. Qa4 Qe7 $5 20. Qb3 Red8 21. Be2 Bxf4 22. gxf4 Nce8 23. b5 Qe6 24. Na4
$6 ({Preferable is} 24. Bf1) 24... b6 $1 25. Bf1 Rac8 26. Rxc8 Rxc8 27. Bc3 Nd6
$1 {Black has a positional advantage.} 28. Nb2 Qd7 29. Kd2 $6 Be6 30. a4 Nf5
31. Qb4 Nh4 32. Kc2 $6 Ne8 33. Kb3 $5 {
The flight of the king does not improve the white position.} Nd6 34. a5 $5 bxa5
35. Qxa5 Rb8 36. Ka4 $2 {The road to the white king can be opened.} ({Better is
} 36. Bb4 $1 Nxb5 37. Na4) 36... Qc8 $1 37. Qa6 Qxc3 38. Qxd6 Qc2+ 39. Ka3 Rc8
40. Ka2 Qxf2 41. Qa3 Nf5 42. Qxa7 Nxe3 43. b6 Nd1 44. Be2 Nxb2 45. b7 Qxe2 $1
46. bxc8=Q+ Bxc8 47. Qb8 Nc4+ 48. Ka1 Kh7 $1 49. Rb1 Qf3 50. Rb3 Qd1+ 51. Ka2
Qd2+ 52. Kb1 Bf5 53. Rb7 e3+ $1 {Ciocaltea will deliver mate on the next move.}
0-1

[Event "21st Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1981.04.26"]
[Round "6"]
[White "Csom, Istvan"]
[Black "Tal, Mikhail"]
[Result "1/2-1/2"]
[WhiteElo "2500"]
[BlackElo "2555"]
[ECO "A30"]
[EventDate "1981.04.??"]
[PlyCount "24"]

1. Nf3 Nf6 2. c4 c5 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nc6 6. d4 cxd4 7. Nxd4 Ndb4 8.
Nxc6 Qxd1+ 9. Kxd1 Nxc6 10. Bxc6+ bxc6 11. Nc3 e5 12. Be3 Bb4 1/2-1/2

[Event "21st Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1981.04.26"]
[Round "6"]
[White "Fernandez Garcia, Jose Luis"]
[Black "Diez del Corral Rivas, Jesus"]
[Result "0-1"]
[WhiteElo "2415"]
[BlackElo "2480"]
[ECO "B06"]
[EventDate "1981.04.??"]
[PlyCount "90"]

1. e4 g6 2. d4 c6 3. Nf3 Bg7 4. h3 d6 5. Nc3 Nd7 6. Bc4 Nb6 7. Bb3 e6 8. a4 a5
9. Bg5 Ne7 10. h4 h6 11. Bf4 Qc7 12. Qd2 Bd7 13. O-O-O Nbc8 14. Qd3 Rb8 15. d5
cxd5 16. exd5 e5 17. Bxe5 dxe5 18. d6 Nxd6 19. Qxd6 Qxd6 20. Rxd6 Bc6 21. Rhd1
Bxf3 22. gxf3 Nf5 23. Rb6 Nxh4 24. Bd5 O-O 25. Rh1 g5 26. Ne4 Rfd8 27. c4 Nf5
28. Nf6+ Kf8 29. Re1 Nd6 30. Nh5 Bh8 31. Kb1 Rbc8 32. b3 e4 33. fxe4 Bd4 34.
Rxd6 Rxd6 35. e5 Rb6 36. Kc2 Re8 37. f4 gxf4 38. Rf1 Bxe5 39. Rf3 Ke7 40. Nxf4
Rf6 41. Nd3 Rxf3 42. Bxf3 Bd4 43. Bxb7 Kd6 44. b4 axb4 45. a5 Re2+ 0-1

[Event "21st Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1981.04.26"]
[Round "6"]
[White "Marovic, Drazen"]
[Black "Bellon Lopez, Juan Manuel"]
[Result "1/2-1/2"]
[WhiteElo "2445"]
[BlackElo "2415"]
[ECO "A31"]
[EventDate "1981.04.??"]
[PlyCount "80"]

1. c4 c5 2. Nf3 Nf6 3. Nc3 b6 4. d4 cxd4 5. Nxd4 Bb7 6. f3 a6 7. e4 d6 8. Be3
e6 9. Be2 Be7 10. O-O O-O 11. Re1 Nbd7 12. Bf1 Re8 13. Bf2 Bf8 14. Rc1 Qc7 15.
Qd2 Rac8 16. Red1 Qb8 17. b4 Ba8 18. a3 Ne5 19. Na4 Rcd8 20. Nxb6 Bxe4 21. a4
Qxb6 22. Nxe6 Qb8 23. Nxd8 Bxf3 24. Nxf7 Kxf7 25. Re1 Ba8 26. c5 dxc5 27. bxc5
Kg8 28. c6 Nxc6 29. Rxe8 Qxe8 30. Bxa6 Qe4 31. Qd3 Qxa4 32. Bb5 Ne5 33. Qxh7+
Kxh7 34. Bxa4 Be4 35. Bd4 Bd6 36. Re1 Nd3 37. Re2 Bc5 38. Bxc5 Nxc5 39. Bc2
Bxc2 40. Rxc2 Nce4 1/2-1/2

[Event "21st Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1981.04.26"]
[Round "6"]
[White "Martin Gonzalez, Angel"]
[Black "Vera Gonzalez, Reynaldo"]
[Result "1/2-1/2"]
[WhiteElo "2365"]
[BlackElo "2455"]
[ECO "C46"]
[EventDate "1981.04.??"]
[PlyCount "30"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 f5 4. d4 fxe4 5. Nxe5 Nf6 6. Bg5 Bb4 7. Bc4 d5 8.
Bxf6 Qxf6 9. Bxd5 Nxe5 10. dxe5 Qxe5 11. O-O c6 12. Bxe4 O-O 13. Qd3 Bd6 14. g3
Bc5 15. Rae1 Kh8 1/2-1/2

[Event "21st Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1981.04.26"]
[Round "6"]
[White "Rivas Pastor, Manuel"]
[Black "Ivkov, Borislav"]
[Result "0-1"]
[WhiteElo "2460"]
[BlackElo "2540"]
[ECO "D55"]
[EventDate "1981.04.??"]
[PlyCount "88"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Bf4 Bb7 5. e3 Be7 6. h3 O-O 7. Nc3 d5 8. cxd5
exd5 9. Bd3 c5 10. O-O Nbd7 11. Rc1 Ne4 $5 ({Usual was} 11... a6) 12. Qc2 Ndf6
13. dxc5 Bxc5 14. Be5 $5 Qe7 15. Bd4 Rac8 16. Qa4 a6 17. Rfd1 Rfe8 18. Bb1 Bxd4
19. Qxd4 Nxc3 20. Rxc3 Rxc3 21. Qxc3 Qc5 22. Qxc5 bxc5 23. Rc1 Rc8 24. Bf5 Rc7
25. Nd4 $5 g6 26. Bg4 Kf8 27. Nb3 c4 $1 28. Nd4 Ke7 29. Bf3 Kd6 30. Rc3 Nd7 31.
g4 $5 h6 32. Kg2 Nc5 33. Kg3 Bc8 34. b3 $4 {White blunders an exchange.} cxb3
35. axb3 Ne4+ $1 36. Bxe4 Rxc3 37. Bf3 Kc5 38. h4 g5 39. hxg5 hxg5 40. Be2 Kb4
41. Bf3 Be6 42. Be2 a5 43. Kg2 Rxb3 44. Nc6+ Kc5 {
Tal and Ivkov shared the lead by 4/6.} 0-1

[Event "21st Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1981.04.28"]
[Round "7"]
[White "Bellon Lopez, Juan Manuel"]
[Black "Martin Gonzalez, Angel"]
[Result "0-1"]
[WhiteElo "2415"]
[BlackElo "2365"]
[ECO "E60"]
[EventDate "1981.04.??"]
[PlyCount "78"]

1. c4 g6 2. Nf3 Bg7 3. d4 Nf6 4. g3 O-O 5. Bg2 d6 6. b3 Nbd7 7. Bb2 e5 8. dxe5
dxe5 9. O-O e4 10. Nd4 Re8 11. Nc2 c6 12. Nc3 Qa5 13. e3 Ne5 14. b4 Qa6 15. b5
Qb6 16. Nxe4 Nxe4 17. Bxe4 Nxc4 18. Bxg7 Kxg7 19. Bg2 cxb5 20. Nd4 Bd7 21. a4
b4 22. Qb3 Rac8 23. a5 Qc5 24. Rfc1 b5 25. axb6 axb6 26. Rab1 Rc7 27. Bc6 Bxc6
28. Rxc4 Qd6 29. Qxb4 Qd5 30. Nxc6 Rxc6 31. Qc3+ Rf6 32. Rxb6 Qd1+ 33. Kg2 Qf3+
34. Kh3 Qf5+ 35. Kg2 Qxf2+ 36. Kh3 Qf5+ 37. g4 Qf3+ 38. Kh4 Qf2+ 39. Kh3 Rxe3+
0-1

[Event "21st Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1981.04.28"]
[Round "7"]
[White "Ciocaltea, Victor"]
[Black "Marovic, Drazen"]
[Result "0-1"]
[WhiteElo "2445"]
[BlackElo "2445"]
[ECO "B10"]
[EventDate "1981.04.??"]
[PlyCount "70"]

1. e4 c6 2. d3 d5 3. Nd2 Qc7 4. g3 Nf6 5. Ngf3 dxe4 6. dxe4 e5 7. Bg2 Bg4 8. h3
Bxf3 9. Qxf3 Nbd7 10. Nc4 b5 11. Ne3 g6 12. Ng4 Ng8 13. a4 h5 14. Ne3 b4 15. a5
Ngf6 16. Nc4 Be7 17. Bg5 Kf8 18. O-O Kg7 19. Qe2 Bc5 20. Rad1 h4 21. Kh1 Rh5
22. gxh4 Rah8 23. Qd3 Rxh4 24. Bxh4 Rxh4 25. Qg3 Rf4 26. Qd3 Qb8 27. Qe2 Nf8
28. Ne3 Ne6 29. Qc4 Qh8 30. c3 bxc3 31. bxc3 Nxe4 32. Rd7 N4g5 33. Qd3 Nxh3 34.
Nf5+ Rxf5 35. Bxh3 Rh5 0-1

[Event "21st Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1981.04.28"]
[Round "7"]
[White "Diez del Corral Rivas, Jesus"]
[Black "Csom, Istvan"]
[Result "1/2-1/2"]
[WhiteElo "2480"]
[BlackElo "2500"]
[ECO "E24"]
[EventDate "1981.04.??"]
[PlyCount "95"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. f3 d6 7. e4 Nc6 8. Be3
b6 9. Bd3 Na5 10. Nh3 e5 11. Nf2 Qd7 12. Bg5 Ng8 13. dxe5 dxe5 14. Ng4 f6 15.
Bh4 Ba6 16. Ne3 O-O-O 17. Be2 Qxd1+ 18. Rxd1 Rxd1+ 19. Kxd1 Ne7 20. Kc2 Rd8 21.
g4 g5 22. Bg3 h6 23. h4 Rf8 24. hxg5 hxg5 25. Rh7 Kd7 26. Nd5 Nac6 27. Kd3 Kd6
28. Rh6 Ng8 29. Rh7 Nge7 30. Ke3 Bc8 31. Bd1 Ba6 32. Bb3 Nxd5+ 33. cxd5 Ne7 34.
Bc2 Bb5 35. Bd3 Be8 36. Ba6 Bh5 37. Rh6 Be8 38. Kd3 Ng6 39. Kc4 Rh8 40. Rxh8
Nxh8 41. Bb5 Bg6 42. a4 Nf7 43. Bc6 Nd8 44. Bb5 Nb7 45. Kd3 Kc7 46. Be1 Nd6 47.
c4 Kd8 48. Bc6 1/2-1/2

[Event "21st Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1981.04.28"]
[Round "7"]
[White "Ivkov, Borislav"]
[Black "Fernandez Garcia, Jose Luis"]
[Result "1/2-1/2"]
[WhiteElo "2540"]
[BlackElo "2415"]
[ECO "D34"]
[EventDate "1981.04.??"]
[PlyCount "47"]

1. c4 e6 2. Nf3 d5 3. d4 c5 4. cxd5 exd5 5. g3 Nc6 6. Bg2 Nf6 7. O-O Be7 8.
dxc5 Bxc5 9. Bg5 O-O 10. Nc3 d4 11. Bxf6 Qxf6 12. Nd5 Qd8 13. Nd2 Bg4 14. Nb3
Bb6 15. Re1 Re8 16. Qd2 h6 17. Rad1 Rc8 18. a3 Re5 19. Nxb6 Qxb6 20. Nxd4 Nxd4
21. Qxd4 Qxd4 22. Rxd4 Rxe2 23. Re4 Rxe1+ 24. Rxe1 1/2-1/2

[Event "21st Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1981.04.28"]
[Round "7"]
[White "Tal, Mikhail"]
[Black "Calvo Minguez, Ricardo"]
[Result "1-0"]
[WhiteElo "2555"]
[BlackElo "2410"]
[ECO "B66"]
[EventDate "1981.04.??"]
[PlyCount "70"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8.
O-O-O h6 9. Be3 Bd7 10. f3 b5 11. g4 Qa5 $5 ({Usual is} 11... Ne5) 12. Nxc6
Bxc6 13. Kb1 Be7 14. h4 Rc8 15. Bd3 b4 $5 ({Preferable is} 15... Nd7 $1 16. a3
Qc7) 16. Ne2 d5 17. e5 $6 (17. g5 $1 dxe4 {(Khalifman)} 18. gxf6 exd3 19. fxg7
$1 Rg8 20. Qxd3 {favours White.}) 17... Nd7 18. Bd4 $5 Nc5 19. f4 h5 $2 (19...
Nxd3 $1 20. cxd3 Bd7 {equalises.}) 20. f5 $5 (20. Bxc5 $1 Qxc5 21. f5 {
attacks (Khalifman).}) 20... Nxd3 21. cxd3 hxg4 $6 (21... Bd7 $1 22. fxe6 Bxe6
{defends well.}) 22. fxe6 fxe6 23. Nf4 $1 Rh6 24. Rdg1 $6 (24. Rhg1 $1 Bxh4 25.
Rxg4 {charges effectively.}) 24... Kd7 $5 25. h5 $1 Bb5 26. Ng6 Bc5 $2 (26...
Bd8 $1 27. b3 Rc3 {leads to confusion (Tal).}) 27. Bxc5 Rxc5 28. Nf4 d4 29.
Rxg4 Rxe5 30. Rxg7+ Kd6 31. Qf2 Re3 32. Qh4 $1 b3 33. Qe7+ Ke5 {
The game is ended in the great tactical style of Tal.} 34. Qc5+ $1 Kxf4 35.
Qg5+ Kf3 {White can mate in two. Tal became the sole leader by a score of 5/7.}
1-0

[Event "21st Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1981.04.28"]
[Round "7"]
[White "Vera Gonzalez, Reynaldo"]
[Black "Rivas Pastor, Manuel"]
[Result "0-1"]
[WhiteElo "2455"]
[BlackElo "2460"]
[ECO "D36"]
[EventDate "1981.04.??"]
[PlyCount "72"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 c6 6. Qc2 Be7 7. e3 O-O 8. Bd3
Nbd7 9. Nf3 Re8 10. O-O Nf8 11. Bxf6 Bxf6 12. b4 Bg4 13. Nd2 a6 14. a4 Be7 15.
b5 a5 16. Nb3 Bd6 17. Rfc1 Re6 18. h3 Bh5 19. Nc5 Bxc5 20. dxc5 d4 21. exd4
Qxd4 22. Ne2 Qe5 23. Ng3 Bg6 24. Ra3 Rd8 25. Bxg6 hxg6 26. Nf1 Rd4 27. Rd3 Rb4
28. Ne3 cxb5 29. axb5 Rxb5 30. Rd8 Re8 31. Nc4 Rxc5 32. Nxe5 Rxc2 33. Rxc2 Rxd8
34. Rc7 f6 35. Nc4 Rd1+ 36. Kh2 Rc1 0-1

[Event "21st Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1981.04.29"]
[Round "8"]
[White "Calvo Minguez, Ricardo"]
[Black "Diez del Corral Rivas, Jesus"]
[Result "1-0"]
[WhiteElo "2410"]
[BlackElo "2480"]
[ECO "E77"]
[EventDate "1981.04.??"]
[PlyCount "115"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 c5 6. d5 O-O 7. Be2 e6 8. Nf3 exd5
9. e5 Ne4 10. cxd5 Nxc3 11. bxc3 Nd7 12. O-O dxe5 13. Ng5 h6 14. Ne4 f5 15. Nd6
e4 16. Rb1 Nb6 17. Nxc8 Rxc8 18. c4 Bd4+ 19. Kh1 Rc7 20. Rb3 Nc8 21. Rh3 Rh7
22. Qa4 a6 23. Bd2 Nd6 24. Rb1 Qe7 25. Rb6 e3 26. Be1 g5 27. fxg5 hxg5 28. Rxh7
Kxh7 29. Qb3 Rf6 30. Kg1 Kg7 31. a4 Rh6 32. a5 Be5 33. Bc3 Bxc3 34. Qxc3+ Kf7
35. Rb3 Rh4 36. g3 Rd4 37. Qxe3 Re4 38. Bh5+ Kg8 39. Qd3 g4 40. h3 Re1+ 41. Kf2
gxh3 42. Bf3 Ra1 43. Qc3 Ra2+ 44. Rb2 Rxb2+ 45. Qxb2 Nxc4 46. Qc1 Ne5 47. d6
Qf6 48. Qd1 Nxf3 49. Kxf3 Qf7 50. Kf4 Qd7 51. Qb3+ Kg7 52. Qc3+ Kg6 53. g4 Qa4+
54. Ke3 Qd4+ 55. Qxd4 cxd4+ 56. Kf2 h2 57. Kg2 Kf7 58. g5 1-0

[Event "21st Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1981.04.29"]
[Round "8"]
[White "Ciocaltea, Victor"]
[Black "Tal, Mikhail"]
[Result "1/2-1/2"]
[WhiteElo "2445"]
[BlackElo "2555"]
[ECO "C92"]
[EventDate "1981.04.??"]
[PlyCount "23"]

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. h3 Bb7 10. d4 Re8 11. Ng5 Rf8 12. Nf3 1/2-1/2

[Event "21st Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1981.04.29"]
[Round "8"]
[White "Csom, Istvan"]
[Black "Ivkov, Borislav"]
[Result "1/2-1/2"]
[WhiteElo "2500"]
[BlackElo "2540"]
[ECO "E62"]
[EventDate "1981.04.??"]
[PlyCount "36"]

1. Nf3 g6 2. d4 Bg7 3. c4 d6 4. g3 Nf6 5. Bg2 O-O 6. Nc3 c6 7. O-O Qa5 8. h3
Be6 9. d5 cxd5 10. Nd4 Bd7 11. Nb3 Qc7 12. cxd5 Na6 13. e4 Nc5 14. Be3 Na4 15.
Nxa4 Bxa4 16. Qd3 Nd7 17. Rac1 Qd8 18. Qc4 Nb6 1/2-1/2

[Event "21st Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1981.04.29"]
[Round "8"]
[White "Fernandez Garcia, Jose Luis"]
[Black "Vera Gonzalez, Reynaldo"]
[Result "1/2-1/2"]
[WhiteElo "2415"]
[BlackElo "2455"]
[ECO "C63"]
[EventDate "1981.04.??"]
[PlyCount "55"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. Bxc6 dxc6 5. Nc3 Nf6 6. exf5 e4 7. Qe2 Qe7 8.
Nd4 Qe5 9. Nf3 Qxf5 10. d3 Bb4 11. Ng5 O-O 12. Ngxe4 Nxe4 13. dxe4 Bxc3+ 14.
bxc3 Qf7 15. a4 Be6 16. f3 a5 17. Qe3 Bc4 18. Kf2 b6 19. Rd1 Rad8 20. Bd2 c5
21. Be1 Rxd1 22. Rxd1 Qe8 23. Ra1 Rf7 24. Kg1 Rd7 25. Bg3 Qd8 26. h3 h6 27. Be5
Ba6 28. f4 1/2-1/2

[Event "21st Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1981.04.29"]
[Round "8"]
[White "Marovic, Drazen"]
[Black "Martin Gonzalez, Angel"]
[Result "1-0"]
[WhiteElo "2445"]
[BlackElo "2365"]
[ECO "E69"]
[EventDate "1981.04.??"]
[PlyCount "79"]

1. c4 g6 2. Nf3 Bg7 3. d4 Nf6 4. Nc3 O-O 5. g3 d6 6. Bg2 Nbd7 7. O-O e5 8. e4
c6 9. h3 Re8 10. Re1 a5 11. Be3 exd4 12. Nxd4 Nc5 13. Qc2 a4 14. Rab1 Nfd7 15.
b4 axb3 16. axb3 Ne5 17. Red1 Qe7 18. f4 Ned7 19. Bf2 Nf6 20. Re1 Nh5 21. Rbd1
$5 (21. b4 $1 {won in Ribli - Petran, Budapest 1976.}) 21... Ra3 22. b4 $5 Ne6
23. Nde2 Nf6 $6 24. Ra1 $6 (24. Rd3 $1 Rd8 25. Red1 {attacks the weakness d6.})
24... Rxa1 25. Rxa1 h5 $5 26. Rd1 Nf8 $6 {The knight becoms passive.} 27. Qd3
$1 Be6 $5 28. b5 $1 N8d7 $6 (28... Rc8 $1 {(protects pawn c6)} 29. bxc6 bxc6
30. Qxd6 Qxd6 31. Rxd6 Ne8 32. Rd2 Bxc4 {defends properly.}) 29. bxc6 bxc6 30.
Qxd6 Bxc4 $2 (30... Qxd6 31. Rxd6 Nb8 32. e5 Nfd7 {only costs a pawn.}) 31. e5
$1 Nd5 32. Qxc6 Nxc3 33. Nxc3 Be6 34. Nd5 Qa3 35. Nb6 Qb3 36. Rd6 Qb1+ 37. Kh2
Qa2 38. Nxd7 Rd8 39. Bb6 Rxd7 40. Rxd7 {White will win a bishop.} 1-0

[Event "21st Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1981.04.29"]
[Round "8"]
[White "Rivas Pastor, Manuel"]
[Black "Bellon Lopez, Juan Manuel"]
[Result "1/2-1/2"]
[WhiteElo "2460"]
[BlackElo "2415"]
[ECO "C41"]
[EventDate "1981.04.??"]
[PlyCount "17"]

1. e4 e5 2. Nc3 d6 3. Nf3 Nf6 4. Bc4 Be7 5. d4 exd4 6. Nxd4 O-O 7. O-O c6 8.
Re1 b5 9. Bf1 1/2-1/2

[Event "21st Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1981.04.30"]
[Round "9"]
[White "Bellon Lopez, Juan Manuel"]
[Black "Fernandez Garcia, Jose Luis"]
[Result "0-1"]
[WhiteElo "2415"]
[BlackElo "2415"]
[ECO "D34"]
[EventDate "1981.04.??"]
[PlyCount "68"]

1. d4 d5 2. c4 e6 3. Nf3 c5 4. g3 Nc6 5. cxd5 exd5 6. Bg2 Nf6 7. O-O Be7 8. Nc3
O-O 9. Bg5 c4 10. Ne5 Be6 11. f4 Nxe5 12. fxe5 Ng4 13. Bxe7 Qxe7 14. Qd2 Rad8
15. h3 Nh6 16. g4 Kh8 17. e4 dxe4 18. Bxe4 Qh4 19. Rf3 f6 20. Raf1 Nf7 21. exf6
Ng5 22. fxg7+ Kxg7 23. d5 Rxf3 24. Rxf3 Nxf3+ 25. Bxf3 Bf7 26. Kg2 Qf6 27. Ne2
Qe5 28. Nf4 Rd6 29. Kg3 Rb6 30. Qd1 Rxb2 31. h4 c3 32. g5 Rd2 33. Qc1 Rd4 34.
d6 Rxf4 0-1

[Event "21st Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1981.04.30"]
[Round "9"]
[White "Diez del Corral Rivas, Jesus"]
[Black "Ciocaltea, Victor"]
[Result "1-0"]
[WhiteElo "2480"]
[BlackElo "2445"]
[ECO "A42"]
[EventDate "1981.04.??"]
[PlyCount "63"]

1. d4 g6 2. c4 Bg7 3. Nc3 d6 4. e4 Nd7 5. Be2 e5 6. d5 h5 7. Nf3 Bh6 8. Bxh6
Nxh6 9. h4 f6 10. b4 Nf7 11. Nd2 c5 12. a3 Kf8 13. Nf1 Qb6 14. b5 Qa5 15. Rc1
Qxa3 16. Rh3 Qa5 17. Rg3 Rg8 18. Ra1 Qd8 19. Ne3 a5 20. Ra3 b6 21. Na4 Nb8 22.
Bxh5 gxh5 23. Rxg8+ Kxg8 24. Qxh5 Ra7 25. Nf5 Bxf5 26. Rg3+ Kf8 27. Qxf5 Nd7
28. h5 Ke7 29. Rg7 Nf8 30. h6 Rb7 31. h7 Nxh7 32. Rxf7+ 1-0

[Event "21st Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1981.04.30"]
[Round "9"]
[White "Ivkov, Borislav"]
[Black "Calvo Minguez, Ricardo"]
[Result "1/2-1/2"]
[WhiteElo "2540"]
[BlackElo "2410"]
[ECO "A09"]
[EventDate "1981.04.??"]
[PlyCount "19"]

1. Nf3 d5 2. c4 d4 3. g3 g6 4. Bg2 Bg7 5. O-O Nf6 6. e3 Nc6 7. exd4 Nxd4 8. Nc3
O-O 9. Nxd4 Qxd4 10. d3 1/2-1/2

[Event "21st Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1981.04.30"]
[Round "9"]
[White "Martin Gonzalez, Angel"]
[Black "Rivas Pastor, Manuel"]
[Result "1-0"]
[WhiteElo "2365"]
[BlackElo "2460"]
[ECO "B03"]
[EventDate "1981.04.??"]
[PlyCount "72"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. f4 dxe5 6. fxe5 Nc6 7. Be3 Bf5 8. Nc3
e6 9. Nf3 Be7 10. d5 exd5 11. cxd5 Nb4 12. Nd4 Bd7 13. e6 fxe6 14. dxe6 Bc6 15.
Qg4 Bh4+ 16. g3 Bf6 17. O-O-O Bxh1 18. Nf5 Qxd1+ 19. Qxd1 Bc6 20. Nxg7+ Bxg7
21. Qh5+ Kd8 22. Qg5+ Kc8 23. Qxg7 Re8 24. Bf4 N4d5 25. Nxd5 Nxd5 26. Bg2 Nxf4
27. gxf4 a5 28. Kb1 Kb8 29. Bxc6 bxc6 30. f5 Kb7 31. Qe5 Rad8 32. f6 Rd5 33. f7
Rf8 34. Qg7 Rfd8 35. a4 Rd1+ 36. Ka2 R8d4 1-0

[Event "21st Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1981.04.30"]
[Round "9"]
[White "Tal, Mikhail"]
[Black "Marovic, Drazen"]
[Result "1/2-1/2"]
[WhiteElo "2555"]
[BlackElo "2445"]
[ECO "B13"]
[EventDate "1981.04.??"]
[PlyCount "114"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 Nc6 6. Bg5 Qa5 7. Bd2 dxc4 8.
Bxc4 e6 9. Nf3 Be7 10. Nd5 Qd8 11. Nxe7 Nxe7 12. O-O Bd7 13. Bg5 Bc6 14. Re1 h6
15. Bh4 Bd5 16. Bb5+ Kf8 17. Bg3 Ne4 18. Be5 f6 19. Bf4 g5 20. Be3 Nf5 21. Bd3
Ned6 22. Nd2 h5 23. Nb1 Kg7 24. Nc3 Ne7 25. Be2 Kg6 26. Qd3+ Kf7 27. Nxd5 Nxd5
28. Bd2 Qd7 29. Rac1 Nf5 30. Bd1 a6 31. Bb3 Rac8 32. Rc5 Nfe7 33. Qe4 b6 34.
Rxc8 Nxc8 35. h3 Nce7 36. Qf3 Kg7 37. Qe2 Kf7 38. Qxa6 g4 39. Qd3 Nf5 40. Re4
Rg8 41. hxg4 hxg4 42. Qe2 g3 43. Qh5+ Rg6 44. Rg4 gxf2+ 45. Kxf2 Nde7 46. d5
Kg7 47. Rxg6+ Nxg6 48. Qg4 Qd6 49. g3 Qe5 50. dxe6 Qxb2 51. Qe2 Qd4+ 52. Kg2
Qd6 53. Be1 Nd4 54. Qe4 Nxb3 55. axb3 Ne5 56. Qb7+ Kg6 57. e7 Kf7 1/2-1/2

[Event "21st Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1981.04.30"]
[Round "9"]
[White "Vera Gonzalez, Reynaldo"]
[Black "Csom, Istvan"]
[Result "1-0"]
[WhiteElo "2455"]
[BlackElo "2500"]
[ECO "A32"]
[EventDate "1981.04.??"]
[PlyCount "79"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. g3 c5 5. Nf3 cxd4 6. Nxd4 Qc7 7. Bg2 a6 {
Capture of pawn c4 is a serious alternative.} 8. O-O Bxc3 9. bxc3 O-O $5 ({
The alternative is} 9... d6) 10. Ba3 d6 11. Qd3 Nbd7 12. Nb3 Nc5 13. Nxc5 dxc5
14. Rfd1 {White ha a pleasant position.} Qa5 15. Bc1 Bd7 16. Bg5 Ba4 17. Rdb1
Rad8 18. Qe3 b6 $5 ({More solid is} 18... Bc6 19. Bxc6 bxc6 20. a4 Rb8) 19.
Bxf6 $5 gxf6 20. Be4 Kg7 $1 21. g4 h6 $1 22. Kh1 Rh8 23. Rg1 b5 $2 (23... Rd6
24. f3 Bc6 {defends quietly.}) 24. g5 $1 hxg5 $2 25. Rxg5+ $1 fxg5 26. Qxg5+
Kf8 27. Qxc5+ Ke8 28. Bc6+ Rd7 29. Bxd7+ Kxd7 30. Qd4+ Kc7 31. Qe5+ Kc6 32.
Qxh8 bxc4 33. Rb1 Bc2 34. Qc8+ Kd6 35. Qb8+ Kd5 36. Rb4 Qa3 37. Qd8+ Ke5 38.
Qg5+ Bf5 39. Qg7+ Kd6 40. Qd4+ {White has a mate attack.} 1-0

[Event "21st Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1981.05.01"]
[Round "10"]
[White "Calvo Minguez, Ricardo"]
[Black "Vera Gonzalez, Reynaldo"]
[Result "1/2-1/2"]
[WhiteElo "2410"]
[BlackElo "2455"]
[ECO "E05"]
[EventDate "1981.04.??"]
[PlyCount "36"]

1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 Be7 5. O-O O-O 6. d4 dxc4 7. Qc2 a6 8. a4
Bd7 9. Ne5 Nc6 10. Qxc4 Nxe5 11. dxe5 Nd5 12. Rd1 Qc8 13. e4 Nb4 14. Nc3 c5 15.
Qe2 c4 16. Qg4 Kh8 17. Bf1 Nc2 18. Ra2 Nb4 1/2-1/2

[Event "21st Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1981.05.01"]
[Round "10"]
[White "Ciocaltea, Victor"]
[Black "Ivkov, Borislav"]
[Result "1/2-1/2"]
[WhiteElo "2445"]
[BlackElo "2540"]
[ECO "C97"]
[EventDate "1981.04.??"]
[PlyCount "36"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3
O-O 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 Bd7 13. d5 c4 14. Nf1 Nb7 15. N3h2
Qb6 16. Be3 Nc5 17. b4 cxb3 18. axb3 Qc7 1/2-1/2

[Event "21st Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1981.05.01"]
[Round "10"]
[White "Csom, Istvan"]
[Black "Bellon Lopez, Juan Manuel"]
[Result "1-0"]
[WhiteElo "2500"]
[BlackElo "2415"]
[ECO "D46"]
[EventDate "1981.04.??"]
[PlyCount "48"]

1. d4 d5 2. Nf3 c6 3. Nbd2 Nf6 4. c4 e6 5. e3 Nbd7 6. Bd3 Bd6 7. O-O O-O 8. e4
dxe4 9. Nxe4 Nxe4 10. Bxe4 Nf6 11. Bc2 c5 12. Bg5 h6 13. Bh4 cxd4 14. Qxd4 g5
15. Rad1 Bxh2+ 16. Kxh2 Qxd4 17. Rxd4 gxh4 18. Ne5 b6 19. Rxh4 Bb7 20. Re1 Rfd8
21. Rf4 Rd2 22. Rxf6 Rxc2 23. Re3 Rf8 24. Rg3+ Kh7 1-0

[Event "21st Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1981.05.01"]
[Round "10"]
[White "Fernandez Garcia, Jose Luis"]
[Black "Martin Gonzalez, Angel"]
[Result "1/2-1/2"]
[WhiteElo "2415"]
[BlackElo "2365"]
[ECO "B51"]
[EventDate "1981.04.??"]
[PlyCount "25"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. d4 Ngf6 5. O-O cxd4 6. Qxd4 g6 7. e5 dxe5 8.
Nxe5 Bg7 9. Nc3 O-O 10. Rd1 Qb6 11. Be3 Qxd4 12. Bxd4 Nxe5 13. Bxe5 1/2-1/2

[Event "21st Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1981.05.01"]
[Round "10"]
[White "Marovic, Drazen"]
[Black "Rivas Pastor, Manuel"]
[Result "1/2-1/2"]
[WhiteElo "2445"]
[BlackElo "2460"]
[ECO "D44"]
[EventDate "1981.04.??"]
[PlyCount "22"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 dxc4 6. e4 b5 7. e5 h6 8. Bh4 g5
9. Nxg5 hxg5 10. Bxg5 Nbd7 11. g3 Qa5 1/2-1/2

[Event "21st Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1981.05.01"]
[Round "10"]
[White "Tal, Mikhail"]
[Black "Diez del Corral Rivas, Jesus"]
[Result "1/2-1/2"]
[WhiteElo "2555"]
[BlackElo "2480"]
[ECO "C06"]
[EventDate "1981.04.??"]
[PlyCount "78"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 Qb6 8. Nf3
cxd4 9. cxd4 f6 10. exf6 Nxf6 11. O-O Bd6 12. Nc3 O-O 13. Be3 Qd8 14. Re1 Qe8
15. Ne5 Bxe5 16. dxe5 Nxe5 17. Bc5 Nxd3 18. Qxd3 Rf7 19. Nxd5 b6 20. Bb4 Nxd5
21. Qxd5 Bb7 22. Qxe6 Qb5 23. Qg4 h5 24. Qh4 Qd5 25. f3 Rd8 26. Re5 Qxe5 27.
Qxd8+ Kh7 28. Re1 Qf5 29. Bc3 Qc5+ 30. Bd4 Qc4 31. Qh4 Rf5 32. b3 Qd3 33. h3
Qd2 34. Re7 Rg5 35. Rxg7+ Rxg7 36. Qxh5+ Kg8 37. Qe8+ Kh7 38. Bxg7 Qc1+ 39. Kf2
Kxg7 1/2-1/2

[Event "21st Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1981.05.02"]
[Round "11"]
[White "Bellon Lopez, Juan Manuel"]
[Black "Calvo Minguez, Ricardo"]
[Result "1/2-1/2"]
[WhiteElo "2415"]
[BlackElo "2410"]
[ECO "E11"]
[EventDate "1981.04.??"]
[PlyCount "91"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Be7 5. Nc3 d5 6. Qc2 O-O 7. e3 c5 8. cxd5
exd5 9. dxc5 Bxc5 10. Rd1 Nc6 11. Be2 Qe7 12. O-O Bg4 13. Ng5 Be6 14. Na4 Bd6
15. Bc3 g6 16. e4 Nxe4 17. Nxe4 dxe4 18. Qxe4 Bxa2 19. Qf3 Be5 20. Bb5 Bxc3 21.
Nxc3 Bb3 22. Rde1 Qc5 23. Bxc6 Qxc6 24. Ne4 Bc2 25. Nf6+ Kg7 26. Qxc6 bxc6 27.
Rc1 Bd3 28. Rfd1 Rad8 29. Rxc6 Bb5 30. Rcd6 Rxd6 31. Rxd6 Rc8 32. g4 h6 33. h4
Rc4 34. f3 Rf4 35. g5 Rxh4 36. gxh6+ Rxh6 37. Ne4 Rh5 38. b4 Re5 39. Kf2 Re6
40. Rxe6 fxe6 41. Ke3 Bc6 42. Nd6 Kf6 43. f4 e5 44. fxe5+ Kxe5 45. Nc8 a6 46.
Ne7 1/2-1/2

[Event "21st Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1981.05.02"]
[Round "11"]
[White "Diez del Corral Rivas, Jesus"]
[Black "Marovic, Drazen"]
[Result "0-1"]
[WhiteElo "2480"]
[BlackElo "2445"]
[ECO "B29"]
[EventDate "1981.04.??"]
[PlyCount "43"]

1. e4 c5 2. Nf3 Nf6 3. e5 Nd5 4. Nc3 e6 5. Nxd5 exd5 6. d4 Nc6 7. dxc5 Bxc5 8.
Qxd5 Qb6 9. Bd3 $5 ({The main line is} 9. Bc4 Bxf2+ 10. Ke2 O-O 11. Rf1 {
(Gligoric - Larsen, Z�rich 1959).}) 9... Bxf2+ 10. Ke2 d6 11. exd6 Be6 {
The chances are about equal.} 12. Qg5 $5 ({Preferable is} 12. Qb5 $1 O-O-O 13.
Qxb6 Bxb6 14. Bf4) 12... h6 13. Qxg7 O-O-O 14. Qf6 $2 (14. Qc3 Rhg8 15. Kf1
Rxd6 {keeps the equality.}) 14... Rhg8 15. Kf1 Rxd6 16. Bf4 Rd7 $2 (16... Rxd3
$1 17. cxd3 Bd4 18. Nxd4 Qxb2 19. Rc1 Qxg2+ 20. Ke1 Qxh1+ {favours Black.}) 17.
Rd1 Bc5 18. Ne5 $2 ({Right is} 18. a3 Ne7 19. Qe5 Bd6 20. Be3 $1 Bxe5 21. Bxb6
Bxb2 22. Bxa7) 18... Nxe5 19. Qxe5 Bd6 20. Qe3 Bxf4 21. Qxf4 Rg5 22. Re1 $2 {
White blunders in a lost position. Marovic joined the second place.} (22. Re1
$2 Rxd3 $1 23. cxd3 Rf5 {wins for Black.}) 0-1

[Event "21st Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1981.05.02"]
[Round "11"]
[White "Ivkov, Borislav"]
[Black "Tal, Mikhail"]
[Result "1/2-1/2"]
[WhiteElo "2540"]
[BlackElo "2555"]
[ECO "D55"]
[EventDate "1981.04.??"]
[PlyCount "34"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 h6 6. Bxf6 Bxf6 7. Rc1 O-O 8. e3
c6 9. Bd3 Nd7 10. O-O dxc4 11. Bxc4 e5 12. Ne4 exd4 13. Nxf6+ Nxf6 14. Nxd4 Qe7
15. Qb3 Ng4 16. Nf3 Nf6 17. Nd4 Ng4 1/2-1/2

[Event "21st Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1981.05.02"]
[Round "11"]
[White "Martin Gonzalez, Angel"]
[Black "Csom, Istvan"]
[Result "0-1"]
[WhiteElo "2365"]
[BlackElo "2500"]
[ECO "B56"]
[EventDate "1981.04.??"]
[PlyCount "82"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. f4 Qb6 7. Nb3 e6 8. Qe2
a6 $5 ({Theory is} 8... Be7) 9. g4 Qc7 10. g5 Nd7 11. Be3 b5 12. O-O-O Nb6 13.
Nd4 Nxd4 14. Bxd4 b4 15. Nd5 $6 {He plays too risky.} ({Preferable is} 15. Qf2
Rb8 16. Ne2) 15... exd5 16. exd5+ Kd8 17. Bg2 Bd7 18. Rhe1 Na4 $5 (18... Kc8 $1
19. Kb1 Kb7 {increases the advantage.}) 19. Bh3 $1 Qb7 $2 20. Rd3 $5 Bxh3 21.
Qe8+ Kc7 22. Qxa4 Bf5 23. Rde3 $2 (23. Qa5+ Kd7 24. Rb3 Qb5 25. Qxb4 Qxb4 26.
Rxb4 Rc8 27. Bc3 Kc7 28. Rb3 Kd7 29. Rb7+ Rc7 30. Rb8 {
leads to a repetition of moves.}) 23... Qb5 24. Qb3 Rd8 $5 25. a4 bxa3 $4 26.
Qxa3 $5 (26. Rc3+ $1 Kb7 27. Qxa3 {wins for White.}) 26... Kd7 27. Bc3 $4 (27.
Rb3 $1 Qc4 28. Rc3 $1 Qb5 (28... Qxd4 29. Qxa6) 29. Bb6 $1 Qxb6 30. Rb3 {
still wins for White.}) 27... h6 $1 28. g6 Bxg6 29. b3 f6 30. Kb2 Bf5 31. h4 h5
32. Ra1 Be7 33. Rg1 g6 34. Rge1 Rhe8 35. Ka1 Bxc2 36. Kb2 Bf5 37. Ka1 Bf8 38.
Qc1 Qxd5 39. R1e2 Re6 40. Qg1 Qc5 41. Qe1 Rde8 0-1

[Event "21st Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1981.05.02"]
[Round "11"]
[White "Rivas Pastor, Manuel"]
[Black "Fernandez Garcia, Jose Luis"]
[Result "1/2-1/2"]
[WhiteElo "2460"]
[BlackElo "2415"]
[ECO "D70"]
[EventDate "1981.04.??"]
[PlyCount "29"]

1. d4 Nf6 2. c4 g6 3. f3 d5 4. cxd5 Nxd5 5. e4 Nb6 6. Nc3 Bg7 7. Be3 O-O 8. f4
c6 9. Be2 Be6 10. Nf3 N8d7 11. O-O Nf6 12. Ne5 Ne8 13. f5 gxf5 14. exf5 Bd5 15.
Qe1 1/2-1/2

[Event "21st Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1981.05.02"]
[Round "11"]
[White "Vera Gonzalez, Reynaldo"]
[Black "Ciocaltea, Victor"]
[Result "0-1"]
[WhiteElo "2455"]
[BlackElo "2445"]
[ECO "B08"]
[EventDate "1981.04.??"]
[PlyCount "70"]

1. e4 g6 2. d4 Bg7 3. Nc3 c6 4. Nf3 d6 5. Be2 Nf6 6. O-O O-O 7. h3 Na6 8. Bf4
Nc7 9. Qd2 b5 10. a3 a6 11. e5 Nfe8 12. Bh6 f6 13. Rad1 Be6 14. Rfe1 Bf7 15.
Bf1 g5 16. Bxg7 Nxg7 17. h4 Bh5 18. hxg5 fxg5 19. Qxg5 Rf5 20. Qh6 Bxf3 21.
gxf3 Rh5 22. Qd2 d5 23. Ne2 Nce6 24. Ng3 Rh4 25. c3 Qf8 26. f4 Rxf4 27. Re3 Qf7
28. Bg2 Rf8 29. Rf1 h5 30. f3 Nf5 31. Nxf5 Qxf5 32. Kf2 Rh4 33. Ke1 Kh8 34. Re2
Nf4 35. Ref2 Rh2 0-1
