[Event "Torneo Internazionale B IBM"]
[Site "Amsterdam NED"]
[Date "1968.07.??"]
[Round "1"]
[White "Tatai, Stefano"]
[Black "Bakker, Piet G."]
[Result "1-0"]
[ECO "B17"]
[PlyCount "103"]
[EventDate "1968.07.16"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Bc4 Ngf6 6. Ng5 Nd5 7. Qe2 e6 8.
N1f3 Be7 9. O-O h6 10. Ne4 O-O 11. a3 a5 12. Re1 Qc7 13. Ng3 N7f6 14. Ne5 Bd6
15. Bd3 b5 16. Nh5 Bxe5 17. dxe5 Nxh5 18. Qxh5 f5 19. exf6 Nxf6 20. Qg6 e5 21.
Qg3 Nd5 22. Rxe5 Qd6 23. Bd2 Ra7 24. c4 bxc4 25. Bxc4 Kh8 26. Rf5 Qd8 27. Rxf8+
Qxf8 28. Qg6 Ne7 29. Qe4 Bf5 30. Qe3 Ra8 31. Bc3 Kh7 32. Qc5 Ng6 33. Qxf8 Nxf8
34. Re1 Ng6 35. f3 h5 36. Rd1 a4 37. Rd6 Rc8 38. Ba6 Rc7 39. Ba5 Rd7 40. Rxc6
Rd1+ 41. Kf2 Nf4 42. Bc3 Rc1 43. Rd6 g5 44. Bb5 Rh1 45. Rd2 g4 46. Be5 Ng6 47.
Bd6 h4 48. fxg4 Bxg4 49. h3 Bd1 50. Bf1 Bb3 51. g4 hxg3+ 52. Bxg3 1-0

[Event "Torneo Internazionale B IBM"]
[Site "Amsterdam NED"]
[Date "1968.07.??"]
[Round "2"]
[White "Van Scheltinga, Theodore Daniel"]
[Black "Tatai, Stefano"]
[Result "1/2-1/2"]
[ECO "E14"]
[PlyCount "24"]
[EventDate "1968.07.16"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 O-O 5. e3 d5 6. a3 Be7 7. Bd3 b6 8. O-O
Bb7 9. b4 c5 10. bxc5 bxc5 11. Rb1 Ba6 12. Qa4 Qd7 1/2-1/2

[Event "Torneo Internazionale B IBM"]
[Site "Amsterdam NED"]
[Date "1968.07.??"]
[Round "3"]
[White "Tatai, Stefano"]
[Black "Gereben, Erno"]
[Result "1-0"]
[ECO "C08"]
[PlyCount "123"]
[EventDate "1968.07.16"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 Nf6 5. exd5 exd5 6. Bb5+ Nc6 7. O-O Be7 8.
dxc5 Bxc5 9. Re1+ Be6 10. Nb3 Bb6 11. Nfd4 O-O 12. Bxc6 bxc6 13. Nxc6 Qc7 14.
Ncd4 Bg4 15. f3 Bh5 16. Be3 a5 17. a4 Rfe8 18. Qd2 Bg6 19. Bf2 Qc4 20. Rxe8+
Nxe8 21. c3 Nd6 22. Nc1 Rc8 23. Nce2 h6 24. b3 Qc7 25. Rc1 Qb7 26. g3 Bd8 27.
Kg2 Bf6 28. Be3 Re8 29. Bf4 Nf5 30. Nb5 Qe7 31. Kf2 Qc5+ 32. Ned4 Rc8 33. Re1
Kh7 34. Re2 Qb6 35. Be3 Nxe3 36. Qxe3 Qc5 37. Kg2 Bg5 38. Qf2 Bd3 39. Re1 Bf6
40. Rd1 Bg6 41. h4 h5 42. Rd2 Qb6 43. Ne2 Qxf2+ 44. Kxf2 Rc5 45. Ke1 Be5 46.
Kd1 Kh6 47. Kc1 Bf5 48. Kb2 g6 49. Ka3 Be6 50. b4 axb4+ 51. cxb4 Rc8 52. Nbd4
Bd6 53. Rc2 Rb8 54. Nc6 Rb7 55. f4 Bd7 56. Ned4 f6 57. a5 Bc8 58. Ka4 g5 59. a6
Rb6 60. b5 gxf4 61. a7 Bb7 62. Nf5+ 1-0

[Event "Torneo Internazionale B IBM"]
[Site "Amsterdam NED"]
[Date "1968.07.??"]
[Round "4"]
[White "Van Geet, Dirk Daniel"]
[Black "Tatai, Stefano"]
[Result "0-1"]
[ECO "B50"]
[PlyCount "68"]
[EventDate "1968.07.16"]

1. e4 c5 2. Nf3 d6 3. Nc3 a6 4. a3 e6 5. b4 Nf6 6. bxc5 dxc5 7. Bb2 Nc6 8. Bd3
Qc7 9. O-O Bd6 10. Re1 Ng4 11. e5 Ngxe5 12. Nxe5 Nxe5 13. Bb5+ Kf8 14. d4 Ng6
15. Nd5 Qd8 16. dxc5 Bxc5 17. Nf4 Qc7 18. Nh5 f6 19. Bc4 Bxf2+ 20. Kxf2 Qxc4
21. Nxf6 gxf6 22. Qd8+ Kf7 23. Qxf6+ Ke8 24. Rad1 Bd7 25. Kg1 Rf8 26. Qg7 Qc5+
27. Bd4 Qe7 28. Qh6 Rc8 29. Be3 Rxc2 30. Bg5 Qc5+ 31. Kh1 Qc6 32. Qh3 Rf5 33.
Bd2 Rf2 34. Qg3 Rcxd2 0-1

[Event "Torneo Internazionale B IBM"]
[Site "Amsterdam NED"]
[Date "1968.07.??"]
[Round "5"]
[White "Tatai, Stefano"]
[Black "Czerniak, Moshe"]
[Result "1-0"]
[ECO "C03"]
[PlyCount "81"]
[EventDate "1968.07.16"]

1. e4 e6 2. d4 d5 3. Nd2 g6 4. Bd3 Bg7 5. e5 c5 6. c3 Nc6 7. Ne2 f6 8. exf6
Nxf6 9. Nf3 O-O 10. O-O e5 11. Nxe5 cxd4 12. Nf3 dxc3 13. Nxc3 Bg4 14. Be2 Kh8
15. h3 Be6 16. Nb5 Ne4 17. Nbd4 Bg8 18. Be3 Qe7 19. Rc1 Ng3 20. Re1 Nxe2+ 21.
Rxe2 Qd7 22. Rec2 Rac8 23. Nxc6 bxc6 24. Bd4 Be6 25. b4 Bf5 26. Bxg7+ Qxg7 27.
Rxc6 Rxc6 28. Rxc6 Be4 29. Nd4 Qe5 30. Qd2 Bb1 31. Re6 Qg7 32. Re1 Bf5 33. Nxf5
gxf5 34. Qxd5 a6 35. Qe5 Qxe5 36. Rxe5 Rf6 37. a4 Kg7 38. b5 axb5 39. axb5 Kg6
40. Rc5 Kg5 41. g4 1-0

[Event "Torneo Internazionale B IBM"]
[Site "Amsterdam NED"]
[Date "1968.07.??"]
[Round "6"]
[White "Van Oosterom, Joop"]
[Black "Tatai, Stefano"]
[Result "0-1"]
[ECO "A21"]
[PlyCount "76"]
[EventDate "1968.07.16"]

1. c4 g6 2. g3 Bg7 3. Bg2 e5 4. Nc3 d6 5. d3 f5 6. e4 Nf6 7. f4 exf4 8. gxf4
Nc6 9. Nf3 Nh5 10. Be3 O-O 11. Qd2 fxe4 12. Nxe4 Bg4 13. O-O Qd7 14. Rae1 Rae8
15. Nh4 Bh3 16. Rf3 Bxg2 17. Qxg2 Nd4 18. Rf2 Kh8 19. Kh1 d5 20. cxd5 Qxd5 21.
Rc1 Ne6 22. Nc5 Qd8 23. Qg4 Nexf4 24. Bxf4 Qd4 25. Ne4 Rxe4 26. dxe4 Qxf2 27.
Bxc7 Qxb2 28. Re1 Qf2 29. Bg3 Qxa2 30. e5 Qd5+ 31. Qe4 Nxg3+ 32. hxg3 Qe6 33.
Kg2 b5 34. Nf3 a5 35. Rf1 b4 36. Ng5 Qa2+ 37. Kh3 Rxf1 38. e6 Rf8 0-1

[Event "Torneo Internazionale B IBM"]
[Site "Amsterdam NED"]
[Date "1968.07.??"]
[Round "7"]
[White "Tatai, Stefano"]
[Black "Scholl, Eddie C."]
[Result "1-0"]
[ECO "C93"]
[PlyCount "81"]
[EventDate "1968.07.16"]

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 h6 10. d4 Re8 11. Nbd2 Bf8 12. Nf1 Bb7 13. Ng3 Na5 14. Bc2 Nc4 15.
Bd3 Nb6 16. Bd2 g6 17. b3 c5 18. d5 c4 19. bxc4 Nxc4 20. Bxc4 bxc4 21. Rb1 Qc7
22. Be3 Nd7 23. Qa4 a5 24. Rb5 Reb8 25. Nd2 h5 26. Reb1 h4 27. Ngf1 Nc5 28.
Bxc5 dxc5 29. Rb6 Ba6 30. Rxb8 Rxb8 31. Rxb8 Qxb8 32. Qxa5 Qb7 33. Nf3 f6 34.
Qd8 Kg7 35. Nxh4 Qe7 36. Qb6 Bc8 37. Ne3 Qb7 38. Qxb7+ Bxb7 39. Nf3 Kh7 40. g4
Bh6 41. g5 1-0

[Event "Torneo Internazionale B IBM"]
[Site "Amsterdam NED"]
[Date "1968.07.??"]
[Round "8"]
[White "Medina Garcia, Antonio Angel"]
[Black "Tatai, Stefano"]
[Result "0-1"]
[ECO "C91"]
[PlyCount "64"]
[EventDate "1968.07.16"]

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. d4 Bg4 10. Be3 exd4 11. cxd4 Na5 12. Bc2 c5 13. Nbd2 cxd4 14. Bxd4 Nc6
15. Be3 d5 16. h3 dxe4 17. hxg4 exf3 18. Qxf3 Nb4 19. Bf5 g6 20. Be4 Nxe4 21.
Nxe4 f5 22. Rad1 fxe4 23. Qxe4 Qe8 24. a3 Nc6 25. Qe6+ Rf7 26. Rc1 Rc8 27. Bg5
Rc7 28. Qd5 Qd7 29. Qxd7 Rxd7 30. Rxc6 Bxg5 31. Rxa6 Rd2 32. Re5 Rd1+ 0-1

[Event "Torneo Internazionale B IBM"]
[Site "Amsterdam NED"]
[Date "1968.07.??"]
[Round "9"]
[White "Tatai, Stefano"]
[Black "Hartoch, Robert G."]
[Result "1/2-1/2"]
[ECO "C95"]
[PlyCount "51"]
[EventDate "1968.07.16"]

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 Nb8 10. d4 Nbd7 11. Bg5 Bb7 12. Nbd2 Ne8 13. Be3 c5 14. Bc2 g6 15. a4
Bf6 16. Qe2 cxd4 17. cxd4 Rc8 18. Nb3 bxa4 19. Rxa4 exd4 20. Nfxd4 Nc5 21. Nxc5
Rxc5 22. b4 Re5 23. Nf3 Re7 24. Bh6 Ng7 25. Qd2 Qc7 26. Rd1 1/2-1/2

[Event "Torneo Internazionale B IBM"]
[Site "Amsterdam NED"]
[Date "1968.07.??"]
[Round "10"]
[White "Lutikov, Anatoly S."]
[Black "Tatai, Stefano"]
[Result "1/2-1/2"]
[ECO "C90"]
[PlyCount "126"]
[EventDate "1968.07.16"]

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. Bc2 Nd7 10. a4 Nb6 11. axb5 axb5 12. Rxa8 Nxa8 13. b4 Bd7 14. Na3 Qb8
15. Qe2 Nd8 16. d4 c6 17. Rd1 Bc8 18. Bb3 Be6 19. Bxe6 Nxe6 20. d5 cxd5 21.
exd5 Nec7 22. Nxe5 dxe5 23. d6 Bf6 24. dxc7 Nxc7 25. Rd6 Rc8 26. Rd7 Ne6 27.
Bd2 Nf8 28. Rd3 Qb7 29. Rd6 Rb8 30. Bc1 Ne6 31. Rd1 Qc6 32. Bd2 h6 33. f3 Qa6
34. Nc2 Qa2 35. Be1 Qb3 36. Ne3 Nf4 37. Qf1 Qe6 38. g3 Nh3+ 39. Kg2 Ng5 40. h4
Qh3+ 41. Kf2 Qxf1+ 42. Nxf1 Ne6 43. Ke3 Rc8 44. Ke4 Rc4+ 45. Kd3 Rc6 46. Ne3
Nc7 47. Ra1 Kf8 48. Ra7 Ke8 49. Rb7 Rd6+ 50. Ke4 Kd8 51. Rb8+ Kd7 52. Ng4 Ke6
53. f4 exf4 54. gxf4 Rd1 55. f5+ Ke7 56. Bf2 Bxc3 57. Rb7 Rd7 58. Ne5 Bxe5 59.
Kxe5 f6+ 60. Ke4 Kf7 61. h5 Re7+ 62. Kf3 Nd5 63. Rxb5 Re5 1/2-1/2

[Event "Torneo Internazionale B IBM"]
[Site "Amsterdam NED"]
[Date "1968.07.??"]
[Round "11"]
[White "Tatai, Stefano"]
[Black "Smederevac, Petar"]
[Result "1/2-1/2"]
[ECO "C01"]
[PlyCount "33"]
[EventDate "1968.07.16"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Bd6 5. Ne2 Ne7 6. Bf4 Bf5 7. O-O O-O 8.
Re1 Nbc6 9. c3 Bxf4 10. Nxf4 Bxd3 11. Nxd3 Qd6 12. Qf3 Rae8 13. Nd2 Ng6 14. Qg3
Qxg3 15. hxg3 b6 16. f3 f6 17. Kf2 1/2-1/2

