[Event "Torneo Internazionale"]
[Site "Las Palmas ESP"]
[Date "1975.04.??"]
[Round "1"]
[White "Rodriguez Vargas, Orestes"]
[Black "Tatai, Stefano"]
[WhiteElo "2435"]
[BlackElo "2455"]
[Result "0-1"]
[ECO "D40"]
[PlyCount "76"]
[EventDate "1975.04.06"]

1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. e3 d5 5. Nc3 Nc6 6. Bd3 a6 7. O-O dxc4 8. Bxc4
b5 9. Bd3 Bb7 10. a4 b4 11. Ne4 cxd4 12. exd4 Na5 13. Nxf6+ gxf6 14. Re1 Bd5
15. Bf4 Bd6 16. Bxd6 Qxd6 17. Nd2 Qf4 18. Ne4 Nb3 19. Rb1 Ke7 20. Ng3 Rad8 21.
Bxa6 h5 22. h4 Kf8 23. Re3 Nxd4 24. Rc1 Qxh4 25. Qe1 Qg4 26. Rd1 Nf5 27. Re4
Qg6 28. Qxb4+ Kg7 29. Nxf5+ exf5 30. Rxd5 fxe4 31. Bb7 h4 32. Rxd8 Rxd8 33.
Qxe4 Qg5 34. Kh2 Rd2 35. Qf3 Rxb2 36. Be4 Rb4 37. Bc2 Rf4 38. Qd3 Qe5 0-1

[Event "Torneo Internazionale"]
[Site "Las Palmas ESP"]
[Date "1975.04.??"]
[Round "2"]
[White "Tatai, Stefano"]
[Black "Larsen, Bent"]
[WhiteElo "2455"]
[BlackElo "2625"]
[Result "0-1"]
[ECO "B40"]
[PlyCount "144"]
[EventDate "1975.04.06"]

1. e4 c5 2. Nf3 e6 3. d3 b6 4. Nbd2 Bb7 5. Be2 Nc6 6. c3 Qc7 7. O-O Nf6 8. Re1
Be7 9. Bf1 h6 10. a3 a5 11. d4 d5 12. e5 Nd7 13. Nb3 c4 14. Nbd2 b5 15. b3 a4
16. b4 O-O-O 17. g3 g5 18. h3 Rdg8 19. Nh2 Kb8 20. Bg2 Nd8 21. Ra2 Ka7 22. Ndf1
Rg7 23. f4 f5 24. g4 fxg4 25. hxg4 gxf4 26. Bxf4 Nf8 27. Qc1 Nf7 28. Ng3 Ng5
29. Nh5 Rf7 30. Nf6 Ng6 31. Bxg5 hxg5 32. Nh5 Qd8 33. Rf1 Rxf1+ 34. Qxf1 Nf4
35. Rf2 Qf8 36. Qd1 Qh6 37. Nf1 Qh7 38. Nfg3 Qd3 39. Qc1 Rxh5 40. Nxh5 Ne2+ 41.
Rxe2 Qxe2 42. Nf6 Bd8 43. Kh2 Qd3 44. Nh5 Bc6 45. Ng3 Be8 46. Nf1 Be7 47. Ne3
Qh7+ 48. Kg1 Qf7 49. Qf1 Qf4 50. Qf2 Kb8 51. Bf3 Kc8 52. Bd1 Bg6 53. Kf1 Qe4
54. Ke1 Qb1 55. Nc2 Qc1 56. Qe3 Qb2 57. Kd2 Bxc2 58. Bxc2 Qxa3 59. Qf2 Bxb4 60.
cxb4 Qxb4+ 61. Ke2 Qe7 62. Qe1 Qa7 63. Qf2 Qg7 64. Kd2 a3 65. Kc1 b4 66. Qf3 b3
67. Bxb3 cxb3 68. Qxb3 Qa7 69. Qb4 Qc7+ 70. Kb1 Qb7 71. Qxb7+ Kxb7 72. Ka2 Ka6
0-1

[Event "Torneo Internazionale"]
[Site "Las Palmas ESP"]
[Date "1975.04.??"]
[Round "3"]
[White "Olafsson, Fridrik"]
[Black "Tatai, Stefano"]
[WhiteElo "2535"]
[BlackElo "2455"]
[Result "1/2-1/2"]
[ECO "E70"]
[PlyCount "81"]
[EventDate "1975.04.06"]

1. c4 g6 2. d4 Bg7 3. Nc3 c5 4. d5 d6 5. e4 Nf6 6. Bd3 O-O 7. h3 Na6 8. Bg5 h6
9. Be3 Nc7 10. Qd2 Kh7 11. a4 e6 12. Nge2 exd5 13. cxd5 b6 14. O-O Re8 15. Ng3
Ba6 16. Rad1 Bxd3 17. Qxd3 a6 18. f4 Nd7 19. e5 dxe5 20. f5 Rf8 21. Nce4 Ne8
22. fxg6+ fxg6 23. Rxf8 Bxf8 24. d6 Nef6 25. Bg5 Bg7 26. Nh5 Qh8 27. Bxf6 Bxf6
28. Qd5 gxh5 29. Qf7+ Qg7 30. Qxd7 Bh4 31. Qf5+ Qg6 32. Qf3 Rd8 33. d7 Be7 34.
Nc3 Qe6 35. Qxh5 Kg7 36. Ne4 c4 37. Ng3 Rf8 38. Ne4 Rd8 39. Ng3 Rf8 40. Ne4 Rd8
41. Ng3 1/2-1/2

[Event "Torneo Internazionale"]
[Site "Las Palmas ESP"]
[Date "1975.04.??"]
[Round "4"]
[White "Tatai, Stefano"]
[Black "Visier Segovia, Fernando"]
[WhiteElo "2455"]
[BlackElo "2375"]
[Result "1/2-1/2"]
[ECO "B31"]
[PlyCount "80"]
[EventDate "1975.04.06"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. Re1 Nf6 6. e5 Nd5 7. Nc3 Nc7 8.
Bxc6 dxc6 9. Ne4 Ne6 10. d3 O-O 11. h3 b6 12. Neg5 Qc7 13. Qe2 h6 14. Nxe6 Bxe6
15. Bf4 Qd7 16. a4 a5 17. b3 Rae8 18. Rad1 g5 19. Bc1 Bd5 20. Nh2 Qf5 21. Nf1
Qg6 22. Ng3 f5 23. f4 Be6 24. Qh5 Qxh5 25. Nxh5 g4 26. Be3 Kh7 27. Ng3 Kg6 28.
h4 Rd8 29. Ne2 Bc8 30. Rd2 Rd7 31. Red1 Rfd8 32. Kf2 h5 33. Nc3 e6 34. Nb1 Bf8
35. Na3 Ba6 36. g3 Be7 37. c4 Kf7 38. Nc2 Bb7 39. Ke2 Ba6 40. Bf2 Bb7 1/2-1/2

[Event "Torneo Internazionale"]
[Site "Las Palmas ESP"]
[Date "1975.04.??"]
[Round "5"]
[White "Tal, Mikhail N."]
[Black "Tatai, Stefano"]
[WhiteElo "2645"]
[BlackElo "2455"]
[Result "1-0"]
[ECO "A61"]
[PlyCount "79"]
[EventDate "1975.04.06"]

1. d4 Nf6 2. Nf3 c5 3. d5 e6 4. c4 exd5 5. cxd5 d6 6. Nc3 g6 7. Bg5 h6 8. Bh4
g5 9. Bg3 Nh5 10. e3 Nxg3 11. hxg3 Bg7 12. Qc2 Nd7 13. Bd3 Nf6 14. Nd2 O-O 15.
Nc4 Qe7 16. a4 Bd7 17. O-O Rab8 18. Rfe1 b6 19. e4 Rfe8 20. Nb5 Bxb5 21. axb5
Ng4 22. Qd1 Qd7 23. Rxa7 Qxa7 24. Qxg4 Rbd8 25. Qf5 Re5 26. Nxe5 Bxe5 27. f4
Bd4+ 28. Kh2 Qd7 29. Qxd7 Rxd7 30. Ra1 c4 31. Bxc4 Bxb2 32. Ra8+ Kg7 33. Be2
Bf6 34. Rb8 Bd8 35. Bg4 Bc7 36. Re8 Rd8 37. Re7 Bb8 38. Rb7 Kf6 39. Bh5 Rf8 40.
Kh3 1-0

[Event "Torneo Internazionale"]
[Site "Las Palmas ESP"]
[Date "1975.04.??"]
[Round "6"]
[White "Tatai, Stefano"]
[Black "Cardoso, Rodolfo Tan"]
[WhiteElo "2455"]
[BlackElo "2410"]
[Result "1/2-1/2"]
[ECO "B92"]
[PlyCount "82"]
[EventDate "1975.04.06"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be6 8. f4
Qc7 9. g4 b5 10. a3 Nc6 11. g5 Nd7 12. f5 Bxb3 13. cxb3 Nd4 14. Be3 Nxe2 15.
Qxe2 h6 16. Nd5 Qb7 17. Rc1 Rc8 18. O-O Be7 19. Rxc8+ Qxc8 20. f6 gxf6 21. gxf6
Rg8+ 22. Kh1 Bd8 23. Bxh6 Rg6 24. Bg7 Nc5 25. Rg1 Qh3 26. b4 Nd3 27. Rxg6 fxg6
28. Qg2 Qxg2+ 29. Kxg2 Kf7 30. b3 Nf4+ 31. Nxf4 exf4 32. Bh6 Bxf6 33. Bxf4 Ke6
34. Bc1 d5 35. Kf3 dxe4+ 36. Kxe4 Bc3 37. h3 Be5 38. Bd2 Bb2 39. a4 Be5 40. Be1
Bg7 41. Kf4 Bh6+ 1/2-1/2

[Event "Torneo Internazionale"]
[Site "Las Palmas ESP"]
[Date "1975.04.??"]
[Round "7"]
[White "Fernandez Fernandez, Angel"]
[Black "Tatai, Stefano"]
[WhiteElo "2300"]
[BlackElo "2455"]
[Result "0-1"]
[ECO "B95"]
[PlyCount "112"]
[EventDate "1975.04.06"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. Qf3 h6 8. Bxf6
Qxf6 9. Qxf6 gxf6 10. O-O-O h5 11. h4 Nc6 12. Be2 Bd7 13. Nxc6 Bxc6 14. Bf3
Bh6+ 15. Kb1 Bf4 16. Rd3 Be5 17. Rhd1 Ke7 18. Ne2 a5 19. Nd4 a4 20. a3 Ra5 21.
c3 Rc5 22. g3 Rc4 23. Nxc6+ bxc6 24. Bh1 Rb8 25. Kc2 d5 26. f4 Bd6 27. exd5
cxd5 28. Bf3 Rc5 29. Rb1 Rcb5 30. Rdd1 Rg8 31. Be2 Rb7 32. Rd3 Rgb8 33. Rdd1
Bc5 34. Bxh5 Rg8 35. Rd3 Rgb8 36. c4 dxc4 37. Rc3 Bd4 38. Rxc4 e5 39. Rxa4 Rc7+
40. Kd3 Rb3+ 41. Ke4 Rxg3 42. Rxd4 exd4 43. Kxd4 Rh3 44. Be2 Rxh4 45. Ke4 Rh2
46. Bb5 f5+ 47. Kd4 Rcc2 48. b3 Rh3 49. Bc4 Kd6 50. Bxf7 Rf2 51. Kc4 Rxf4+ 52.
Kb5 Rd4 53. Rc1 f4 54. a4 f3 55. Rf1 Rf4 56. Bc4 f2 0-1

[Event "Torneo Internazionale"]
[Site "Las Palmas ESP"]
[Date "1975.04.??"]
[Round "8"]
[White "Tatai, Stefano"]
[Black "Bellon Lopez, Juan Manuel"]
[WhiteElo "2455"]
[BlackElo "2415"]
[Result "1-0"]
[ECO "B28"]
[PlyCount "70"]
[EventDate "1975.04.06"]

1. e4 c5 2. Nf3 a6 3. c3 b5 4. d4 e6 5. Bd3 Bb7 6. O-O d5 7. e5 Nc6 8. Nbd2 Qc7
9. dxc5 Bxc5 10. Nb3 Bf8 11. Qe2 g6 12. Be3 Nge7 13. Bd4 Bh6 14. h4 O-O 15. Nh2
Bg7 16. Rfe1 Nf5 17. h5 Rae8 18. Nf3 Nfxd4 19. cxd4 f5 20. hxg6 hxg6 21. Qd2
Qe7 22. a4 bxa4 23. Rxa4 Rb8 24. Nc5 a5 25. Bb5 f4 26. Qc2 Na7 27. Qxg6 Qf7 28.
Qxf7+ Rxf7 29. Rxa5 Bc6 30. Bd3 Re7 31. Ra6 Bb5 32. Bxb5 Rxb5 33. Rea1 Nc8 34.
Ra8 Re8 35. Nxe6 Rxb2 1-0

[Event "Torneo Internazionale"]
[Site "Las Palmas ESP"]
[Date "1975.04.??"]
[Round "9"]
[White "Mecking, Henrique"]
[Black "Tatai, Stefano"]
[WhiteElo "2610"]
[BlackElo "2455"]
[Result "1-0"]
[ECO "C05"]
[PlyCount "103"]
[EventDate "1975.04.06"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. f4 c5 6. c3 Nc6 7. Ndf3 Qa5 8. dxc5
Qxc5 9. Ne2 Qb6 10. Ned4 Nc5 11. Rb1 a6 12. Be3 Qc7 13. Be2 Be7 14. O-O O-O 15.
Rc1 b5 16. Nb3 Na4 17. Qc2 f5 18. exf6 gxf6 19. Nbd4 Nd8 20. Nh4 Rf7 21. Kh1
Nc5 22. Bh5 Rg7 23. f5 e5 24. Bh6 Bf8 25. Bxg7 Qxg7 26. Bf3 Qf7 27. b4 Na4 28.
Ne6 Bb7 29. Nxf8 Qxf8 30. Qd2 Nb6 31. Be2 Nf7 32. Qe3 Nd7 33. Nf3 Kh8 34. Ra1
Bc6 35. a4 bxa4 36. Bd1 Bb5 37. Re1 d4 38. cxd4 Qxb4 39. Qa3 Qxa3 40. Rxa3 Nb6
41. dxe5 fxe5 42. g4 Rd8 43. Bc2 Nc4 44. Rc3 Rg8 45. h3 h5 46. Rg1 Ncd6 47. Kh2
e4 48. Nd4 hxg4 49. hxg4 Ng5 50. Kg3 Re8 51. Kf4 Ndf7 52. Ra1 1-0

[Event "Torneo Internazionale"]
[Site "Las Palmas ESP"]
[Date "1975.04.??"]
[Round "10"]
[White "Tatai, Stefano"]
[Black "Hort, Vlastimil"]
[WhiteElo "2455"]
[BlackElo "2600"]
[Result "0-1"]
[ECO "C02"]
[PlyCount "60"]
[EventDate "1975.04.06"]

1. e4 c5 2. Nf3 e6 3. c3 d5 4. e5 Qb6 5. Be2 Nc6 6. d4 cxd4 7. cxd4 Nge7 8. b3
Nf5 9. Bb2 Bd7 10. Kf1 h5 11. h4 Be7 12. Nc3 a6 13. Na4 Qa7 14. Rc1 Rc8 15. a3
b5 16. Nc5 Nfxd4 17. Nxd4 Bxc5 18. Nxc6 Rxc6 19. Bxh5 Bxf2 20. Rxc6 Bxc6 21.
Qc2 Rxh5 22. Qxc6+ Kf8 23. Qc8+ Ke7 24. g4 Rh8 25. Qc2 Be3 26. Bc3 Rc8 27. Rh3
Qc5 28. Ke2 Qxc3 29. Qxc3 Rxc3 30. Rxe3 Rxe3+ 0-1

[Event "Torneo Internazionale"]
[Site "Las Palmas ESP"]
[Date "1975.04.??"]
[Round "11"]
[White "Petrosian, Tigran Vartanovich"]
[Black "Tatai, Stefano"]
[WhiteElo "2645"]
[BlackElo "2455"]
[Result "1-0"]
[ECO "D32"]
[PlyCount "69"]
[EventDate "1975.04.06"]

1. c4 Nf6 2. Nc3 e6 3. d4 c5 4. e3 d5 5. Nf3 Nc6 6. cxd5 exd5 7. Be2 Be7 8. O-O
O-O 9. b3 Ne4 10. Bb2 cxd4 11. Nxe4 dxe4 12. Nxd4 Qb6 13. Qc2 Nxd4 14. Bxd4 Qg6
15. f4 Be6 16. Qb2 Rfc8 17. Rac1 a6 18. Rxc8+ Rxc8 19. Rc1 h5 20. Rxc8+ Bxc8
21. Qc2 Bg4 22. Bxg4 Qxg4 23. h3 Qg3 24. Qc8+ Kh7 25. Qf5+ Qg6 26. Qd7 Bh4 27.
Qxb7 Qg3 28. Qxe4+ g6 29. Qb1 Qf2+ 30. Kh1 Bg3 31. Qa1 Qe2 32. Bh8 f6 33. Bxf6
Qxe3 34. Bh8 Qe7 35. Be5 1-0

[Event "Torneo Internazionale"]
[Site "Las Palmas ESP"]
[Date "1975.04.??"]
[Round "12"]
[White "Andersson, Ulf"]
[Black "Tatai, Stefano"]
[WhiteElo "2565"]
[BlackElo "2455"]
[Result "1/2-1/2"]
[ECO "E18"]
[PlyCount "48"]
[EventDate "1975.04.06"]

1. Nf3 Nf6 2. c4 b6 3. g3 Bb7 4. Bg2 e6 5. O-O Be7 6. Nc3 O-O 7. d4 Ne4 8. Nxe4
Bxe4 9. Ne1 Bxg2 10. Nxg2 Nc6 11. d5 Na5 12. b3 Bf6 13. Rb1 Re8 14. Re1 Bc3 15.
Bd2 Bxd2 16. Qxd2 e5 17. e4 Nb7 18. Ne3 a5 19. f3 d6 20. Kg2 Nc5 21. h4 h5 22.
Rh1 Qf6 23. Nd1 Qg6 24. Qg5 Kh7 1/2-1/2

[Event "Torneo Internazionale"]
[Site "Las Palmas ESP"]
[Date "1975.04.??"]
[Round "13"]
[White "Tatai, Stefano"]
[Black "Pomar Salamanca, Arturo"]
[WhiteElo "2455"]
[BlackElo "2450"]
[Result "0-1"]
[ECO "E16"]
[PlyCount "88"]
[EventDate "1975.04.06"]

1. d4 Nf6 2. Nf3 e6 3. c4 Bb4+ 4. Bd2 Qe7 5. g3 b6 6. Bg2 Bb7 7. O-O Bxd2 8.
Qxd2 d6 9. Nc3 Ne4 10. Nxe4 Bxe4 11. Qe3 Bb7 12. d5 Nd7 13. Nd2 O-O 14. Nb1
Rae8 15. Nc3 Ne5 16. b3 f5 17. Qd2 Ng6 18. e3 e5 19. f4 h5 20. Bf3 h4 21. Bh5
Rf6 22. g4 Kh7 23. g5 Rff8 24. Rf3 c6 25. Raf1 cxd5 26. Nxd5 Bxd5 27. Qxd5 exf4
28. exf4 Qe6 29. Rd3 Qxd5 30. Rxd5 Re6 31. Rd4 Rfe8 32. Kf2 R8e7 33. Rfd1 Nf8
34. Rxd6 Re4 35. R1d4 Rxd4 36. Rxd4 Ne6 37. Rd6 Nxf4 38. g6+ Kh6 39. Bd1 Kg5
40. b4 Rc7 41. Bb3 Nxg6 42. c5 bxc5 43. bxc5 Ne5 44. Rd5 Rxc5 0-1

[Event "Torneo Internazionale"]
[Site "Las Palmas ESP"]
[Date "1975.04.??"]
[Round "14"]
[White "Debarnot, Roberto Luis"]
[Black "Tatai, Stefano"]
[WhiteElo "2380"]
[BlackElo "2455"]
[Result "0-1"]
[ECO "A32"]
[PlyCount "78"]
[EventDate "1975.04.06"]

1. d4 Nf6 2. c4 c5 3. Nf3 e6 4. Nc3 cxd4 5. Nxd4 Bb4 6. Nc2 Bxc3+ 7. bxc3 Qa5
8. Qd3 Na6 9. f3 Nc5 10. Qd2 O-O 11. e3 b6 12. Be2 Ba6 13. Ba3 d5 14. Bb4 Qa4
15. cxd5 Nxd5 16. Bxc5 bxc5 17. Bxa6 Qxa6 18. e4 Nb6 19. Ne3 Rfd8 20. Qe2 Qa3
21. O-O Qxc3 22. Rac1 Qa5 23. Rc2 Rac8 24. Rfc1 h6 25. h4 Rd4 26. Nc4 Nxc4 27.
Rxc4 Rd2 28. Qe1 Qxa2 29. Qg3 Rd1+ 30. Rxd1 Qxc4 31. Rd7 Qa4 32. Qd6 Qa1+ 33.
Kh2 Qf6 34. Kh3 c4 35. Rxa7 c3 36. Rc7 Rxc7 37. Qxc7 g5 38. hxg5 hxg5 39. Qc5
Qh6+ 0-1

[Event "Torneo Internazionale"]
[Site "Las Palmas ESP"]
[Date "1975.04.??"]
[Round "15"]
[White "Tatai, Stefano"]
[Black "Ljubojevic, Ljubomir"]
[WhiteElo "2455"]
[BlackElo "2615"]
[Result "1/2-1/2"]
[ECO "C09"]
[PlyCount "20"]
[EventDate "1975.04.06"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Bb5+ Nc6 6. Ngf3 Bd6 7. O-O Nge7 8.
c4 O-O 9. dxc5 Bxc5 10. Nb3 Bb6 1/2-1/2

