[Event "Olympiad unofficial"]
[Site "Tripoli"]
[Date "1976.??.??"]
[Round "?"]
[White "Infante Meyer, Salvador"]
[Black "Drira, Ahmed"]
[Result "1/2-1/2"]
[ECO "C09"]
[PlyCount "112"]
[EventDate "1976.10.24"]
[EventType "team"]
[EventRounds "14"]
[EventCountry "LBY"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]
[WhiteTeam "El Salvador"]
[BlackTeam "Tunisia"]
[WhiteTeamCountry "ESA"]
[BlackTeamCountry "TUN"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nc6 6. Bb5 Bd6 7. dxc5 Bxc5 8. 0-0 Nge7 9. Nb3 Bd6 10. Bg5 Bg4 11. Re1 0-0 12. h3 Bh5 13. Bxc6 bxc6 14. Nbd4 Qc7 15. Bxe7 Bxe7 16. Nxc6 Qxc6 17. Rxe7 Bxf3 18. Qxf3 Qxc2 19. Qxd5 Qxb2 20. Rae1 Qf6 21. Qxa8 Qxe7 22. Rxe7 Rxa8 23. a4 a6 24. Rb7 g6 25. Rb6 Kg7 26. a5 h6 27. g4 Ra7 28. Kg2 Ra8 29. Kg3 Ra7 30. Rc6 Ra8 31. h4 Ra7 32. Kf4 Ra8 33. Rd6 Ra7 34. g5 Ra8 35. Rf6 Ra7 36. f3 Ra8 37. Rc6 Ra7 38. Rb6 Ra8 39. Kg4 Ra7 40. gxh6+ Kxh6 41. h5 Kh7 42. hxg6+ fxg6 43. f4 Rc7 44. Rxa6 Rc4 45. Kg5 Rc5+ 46. Kg4 Rc4 47. Kf3 Ra4 48. Ra8 Kg7 49. a6 Kh7 50. Kg4 Ra5 51. Kf3 Ra4 52. Ra7+ Kh6 53. Ke3 Ra3+ 54. Ke4 Ra4+ 55. Ke5 Ra5+ 56. Ke4 Ra4+ 1/2-1/2

[Event "Olympiad-20 Final C"]
[Site "Skopje"]
[Date "1972.10.12"]
[Round "15"]
[White "Rantanen, Yrjo A"]
[Black "Drira, Ahmed"]
[Result "1-0"]
[ECO "C60"]
[PlyCount "109"]
[EventDate "1972.09.27"]
[EventType "team-tourn"]
[EventRounds "15"]
[EventCountry "YUG"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]
[WhiteTeam "Finland"]
[BlackTeam "Tunisia"]
[WhiteTeamCountry "FIN"]
[BlackTeamCountry "TUN"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 g6 4. 0-0 Bg7 5. c3 d5 6. d4 dxe4 7. Nxe5 Nge7 8. Qe2 0-0 9. Qxe4 Bf5 10. Qe2 a6 11. Nxc6 Nxc6 12. Bd3 Qd7 13. Bxf5 Qxf5 14. Qf3 Qxf3 15. gxf3 Rfe8 16. Be3 Ne7 17. Nd2 Nf5 18. Rfe1 c6 19. Bf4 Rad8 20. Kf1 h6 21. Bc7 Rc8 22. Rxe8+ Rxe8 23. Re1 Rc8 24. Bb6 Bf6 25. Ne4 Be7 26. Ng3 Nxg3+ 27. fxg3 Kf8 28. Ke2 Ke8 29. Kd3 Kd7 30. Kc4 Bd6 31. Re2 Re8 32. Bc5 Rb8 33. d5 cxd5+ 34. Kxd5 Bxc5 35. Kxc5 b6+ 36. Kd5 Rc8 37. Re5 Rc7 38. f4 Rc5+ 39. Kd4 Rc6 40. c4 Rf6 41. b4 Rc6 42. c5 bxc5+ 43. Rxc5 Re6 44. Re5 Rc6 45. Rd5+ Ke7 46. Ra5 Ke6 47. a4 Kd7 48. Rd5+ Ke7 49. b5 axb5 50. axb5 Rc2 51. b6 Rb2 52. Kc5 Rxh2 53. b7 Rb2 54. Kc6 h5 55. Rb5 1-0

[Event "Olympiad-20 Final C"]
[Site "Skopje"]
[Date "1972.10.11"]
[Round "14"]
[White "Drira, Ahmed"]
[Black "Van Riemsdijk, Herman Claudius"]
[Result "0-1"]
[ECO "B23"]
[PlyCount "40"]
[EventDate "1972.09.27"]
[EventType "team-tourn"]
[EventRounds "15"]
[EventCountry "YUG"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]
[WhiteTeam "Tunisia"]
[BlackTeam "Brazil"]
[WhiteTeamCountry "TUN"]
[BlackTeamCountry "BRA"]

1. e4 c5 2. Nc3 e6 3. f4 d5 4. exd5 exd5 5. Bb5+ Nc6 6. Nf3 Nf6 7. 0-0 Be7 8. b3 0-0 9. Bxc6 bxc6 10. Ne5 Qc7 11. Ba3 Bd6 12. d4 cxd4 13. Bxd6 Qxd6 14. Qxd4 c5 15. Qd2 Bb7 16. Rfe1 Rad8 17. Rad1 a6 18. Ne4 Nxe4 19. Rxe4 f6 20. Nf3 dxe4 0-1

[Event "Olympiad-20 Final C"]
[Site "Skopje"]
[Date "1972.10.09"]
[Round "12"]
[White "Drira, Ahmed"]
[Black "Bonner, Gerald"]
[Result "1/2-1/2"]
[ECO "B01"]
[PlyCount "97"]
[EventDate "1972.09.27"]
[EventType "team-tourn"]
[EventRounds "15"]
[EventCountry "YUG"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]
[WhiteTeam "Tunisia"]
[BlackTeam "Scotland"]
[WhiteTeamCountry "TUN"]
[BlackTeamCountry "SCO"]

1. e4 d5 2. exd5 Nf6 3. Bb5+ Bd7 4. Bc4 b5 5. Bb3 Bg4 6. f3 Bc8 7. Ne2 Bb7 8. d4 Nxd5 9. 0-0 e6 10. Nbc3 a6 11. Nxd5 Bxd5 12. Bxd5 Qxd5 13. Bf4 c5 14. dxc5 Qxc5+ 15. Kh1 Nc6 16. c3 Be7 17. Ng3 Rd8 18. Qe2 0-0 19. Rfd1 h6 20. Ne4 Qf5 21. Bd6 Bxd6 22. Nxd6 Qe5 23. Qxe5 Nxe5 24. Kg1 Rd7 25. Rd2 Rfd8 26. Rad1 g5 27. Kf1 f5 28. Ke2 Kf8 29. Nb7 Rxd2+ 30. Rxd2 Rxd2+ 31. Kxd2 Nc4+ 32. Ke2 Nxb2 33. Nc5 Na4 34. Nxe6+ Ke7 35. Nd4 Nxc3+ 36. Kd2 Nxa2 37. Nxf5+ Ke6 38. Nxh6 Nb4 39. g3 Nd5 40. Ng4 a5 41. Ne3 Nxe3 42. Kxe3 a4 43. Kd2 b4 44. h4 gxh4 45. gxh4 Kd5 46. h5 a3 47. Kc1 Ke5 48. f4+ Kf5 49. Kc2 1/2-1/2

[Event "Olympiad-20 Final C"]
[Site "Skopje"]
[Date "1972.10.08"]
[Round "11"]
[White "Drira, Ahmed"]
[Black "Matsumoto, Yasuji"]
[Result "1-0"]
[ECO "C41"]
[PlyCount "43"]
[EventDate "1972.09.27"]
[EventType "team-tourn"]
[EventRounds "15"]
[EventCountry "YUG"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]
[WhiteTeam "Tunisia"]
[BlackTeam "Japan"]
[WhiteTeamCountry "TUN"]
[BlackTeamCountry "JPN"]

1. e4 e5 2. Nf3 d6 3. d4 Nd7 4. Bc4 c6 5. c3 Be7 6. Qb3 d5 7. exd5 b5 8. dxc6 bxc4 9. cxd7+ Bxd7 10. Qxc4 Be6 11. Qb5+ Bd7 12. Qxe5 Nf6 13. 0-0 0-0 14. Bg5 Re8 15. Nbd2 Bf8 16. Qf4 Be7 17. Ne5 Rb8 18. b3 Rc8 19. c4 Bd6 20. Ne4 Re6 21. Nxd6 Rxd6 22. Nxf7 1-0

[Event "Olympiad-20 Final C"]
[Site "Skopje"]
[Date "1972.10.07"]
[Round "10"]
[White "Martinez, Eric"]
[Black "Drira, Ahmed"]
[Result "1-0"]
[ECO "B41"]
[PlyCount "51"]
[EventDate "1972.09.27"]
[EventType "team-tourn"]
[EventRounds "15"]
[EventCountry "YUG"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]
[WhiteTeam "Puerto Rico"]
[BlackTeam "Tunisia"]
[WhiteTeamCountry "PUR"]
[BlackTeamCountry "TUN"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 Bb4 7. e5 Qa5 8. exf6 Bxc3+ 9. bxc3 Qxc3+ 10. Qd2 Qxd2+ 11. Bxd2 gxf6 12. Bd3 Nc6 13. Nxc6 bxc6 14. c5 Ke7 15. Rb1 a5 16. 0-0 d5 17. cxd6+ Kxd6 18. Be4 Bd7 19. Rb7 Rab8 20. Bf4+ e5 21. Rd1+ Ke6 22. Rbxd7 exf4 23. Bxc6 Rb2 24. Re1+ Kf5 25. Rxf7 Rxa2 26. Rg7 1-0

[Event "Olympiad-20 Final C"]
[Site "Skopje"]
[Date "1972.10.05"]
[Round "9"]
[White "Hay, Trevor"]
[Black "Drira, Ahmed"]
[Result "1-0"]
[ECO "E19"]
[PlyCount "63"]
[EventDate "1972.09.27"]
[EventType "team-tourn"]
[EventRounds "15"]
[EventCountry "YUG"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]
[WhiteTeam "Australia"]
[BlackTeam "Tunisia"]
[WhiteTeamCountry "AUS"]
[BlackTeamCountry "TUN"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. 0-0 0-0 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 d5 10. Bf4 c5 11. Rfd1 Nd7 12. cxd5 exd5 13. Rac1 Nf6 14. Ne5 h6 15. dxc5 Bxc5 16. Nd3 Bd6 17. Bxd6 Qxd6 18. Qc7 Qxc7 19. Rxc7 Ba6 20. Nf4 Rfc8 21. Rdc1 Rd8 22. Bf3 Kf8 23. h4 g5 24. hxg5 hxg5 25. Nd3 Ne8 26. R7c6 Bb7 27. Rh6 Kg7 28. Rh5 f6 29. Kg2 Kg6 30. Rch1 Nd6 31. Rh6+ Kg7 32. Rh7+ 1-0

[Event "Olympiad-20 Final C"]
[Site "Skopje"]
[Date "1972.10.04"]
[Round "8"]
[White "Drira, Ahmed"]
[Black "Erozbek, Akdogan"]
[Result "1-0"]
[ECO "C19"]
[PlyCount "95"]
[EventDate "1972.09.27"]
[EventType "team-tourn"]
[EventRounds "15"]
[EventCountry "YUG"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]
[WhiteTeam "Tunisia"]
[BlackTeam "Turkey"]
[WhiteTeamCountry "TUN"]
[BlackTeamCountry "TUR"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Nf3 Nbc6 8. Bd3 Qc7 9. 0-0 c4 10. Be2 0-0 11. a4 f6 12. Ba3 fxe5 13. dxe5 Rd8 14. Bd6 Qd7 15. Nd4 Nxd4 16. cxd4 Nf5 17. Ba3 Qf7 18. c3 Bd7 19. g4 Ne7 20. f4 g6 21. Qe1 Kh8 22. Qg3 Rg8 23. Kh1 Nc6 24. Bf3 Na5 25. Bg2 Nb3 26. Ra2 Bxa4 27. Qf3 Bc6 28. f5 gxf5 29. gxf5 Qxf5 30. Qxf5 exf5 31. Rxf5 Rae8 32. Raf2 Rg6 33. Rf7 Rg7 34. R7f6 Rg6 35. Bh3 Kg7 36. Bf8+ Rxf8 37. Rxf8 Nc1 38. e6 a5 39. R2f7+ Kh6 40. Bf5 Rg7 41. Rxg7 Kxg7 42. Rf7+ Kg8 43. Bxh7+ Kh8 44. Rc7 Ba4 45. Bg6 Ne2 46. e7 Nxc3 47. h4 Ne2 48. h5 1-0

[Event "Olympiad-20 Final C"]
[Site "Skopje"]
[Date "1972.10.02"]
[Round "6"]
[White "Drira, Ahmed"]
[Black "Stuart, Peter W"]
[Result "1/2-1/2"]
[ECO "B47"]
[PlyCount "44"]
[EventDate "1972.09.27"]
[EventType "team-tourn"]
[EventRounds "15"]
[EventCountry "YUG"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]
[WhiteTeam "Tunisia"]
[BlackTeam "New Zealand"]
[WhiteTeamCountry "TUN"]
[BlackTeamCountry "NZL"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Qc7 6. g3 a6 7. Bg2 Nf6 8. 0-0 Be7 9. h3 0-0 10. Re1 d6 11. Nxc6 bxc6 12. Bf4 e5 13. Be3 Rd8 14. Na4 Rb8 15. c4 Be6 16. Qc2 Nd7 17. Red1 Nc5 18. Nxc5 dxc5 19. Rxd8+ Rxd8 20. Bf1 Qb6 21. Kh2 Rb8 22. b3 Rd8 1/2-1/2

[Event "Olympiad-20 Final C"]
[Site "Skopje"]
[Date "1972.10.01"]
[Round "5"]
[White "Chavez, Romelio"]
[Black "Drira, Ahmed"]
[Result "0-1"]
[ECO "C55"]
[PlyCount "84"]
[EventDate "1972.09.27"]
[EventType "team-tourn"]
[EventRounds "15"]
[EventCountry "YUG"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]
[WhiteTeam "Bolivia"]
[BlackTeam "Tunisia"]
[WhiteTeamCountry "BOL"]
[BlackTeamCountry "TUN"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 d5 5. Bb5 dxe4 6. Nxe5 Qd5 7. Bxc6+ bxc6 8. d4 Ba6 9. a3 Be7 10. c4 Bxc4 11. Nc3 Qe6 12. Qa4 Bd5 13. Nxd5 Nxd5 14. Nxc6 0-0 15. Be3 Nxe3 16. Nxe7+ Qxe7 17. fxe3 Qg5 18. Kf2 Rab8 19. b4 Qh4+ 20. Ke2 Qg4+ 21. Kf2 Rb6 22. Ra2 Qh4+ 23. Ke2 Rf6 24. Rf1 Qxh2 25. Rxf6 gxf6 26. Kf1 Qh1+ 27. Kf2 Kh8 28. Qc2 Qh4+ 29. Kf1 Rg8 30. Qf2 Rg3 31. Re2 Kg7 32. Ke1 Qg5 33. a4 Rg4 34. Rc2 Qd5 35. Rxc7 Qb3 36. Qd2 Qxa4 37. d5 Rh4 38. Rc6 Rh1+ 39. Kf2 Qa1 40. Qc3 Qf1+ 41. Kg3 h5 42. Qd2 Qf5 0-1

[Event "Olympiad-20 Final C"]
[Site "Skopje"]
[Date "1972.09.30"]
[Round "4"]
[White "Drira, Ahmed"]
[Black "Sharif, Mershad"]
[Result "1/2-1/2"]
[ECO "B02"]
[PlyCount "84"]
[EventDate "1972.09.27"]
[EventType "team-tourn"]
[EventRounds "15"]
[EventCountry "YUG"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]
[WhiteTeam "Tunisia"]
[BlackTeam "Iran"]
[WhiteTeamCountry "TUN"]
[BlackTeamCountry "IRI"]

1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. c5 Nd5 5. Nc3 Nxc3 6. dxc3 d6 7. Bg5 f6 8. exf6 exf6 9. Be3 Be6 10. Qf3 c6 11. Qe4 Kf7 12. cxd6 Bxd6 13. Bc4 Qe7 14. 0-0-0 Bxc4 15. Qxc4+ Qe6 16. Qd3 Rd8 17. Qxh7 Qxa2 18. Nh3 Na6 19. Rhe1 Be5 20. Qb1 Qxb1+ 21. Kxb1 b6 22. f4 Bd6 23. Nf2 Bf8 24. Nd3 g6 25. g4 Nc7 26. g5 Bd6 27. gxf6 Kxf6 28. Bd4+ Kf5 29. Rg1 Ne6 30. Be5 Nxf4 31. Bxf4 Bxf4 32. Rgf1 g5 33. h4 Rf8 34. hxg5 Kxg5 35. Rg1+ Kf5 36. Nxf4 Kxf4 37. Rgf1+ Ke5 38. Rfe1+ Kf5 39. Rf1+ Ke6 40. Rfe1+ Kf5 41. Rf1+ Ke6 42. Rfe1+ Kf5 1/2-1/2

[Event "Olympiad-20 Final C"]
[Site "Skopje"]
[Date "1972.09.28"]
[Round "2"]
[White "Durao, Joaquim Manuel"]
[Black "Drira, Ahmed"]
[Result "1/2-1/2"]
[ECO "C44"]
[PlyCount "38"]
[EventDate "1972.09.27"]
[EventType "team-tourn"]
[EventRounds "15"]
[EventCountry "YUG"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]
[WhiteTeam "Portugal"]
[BlackTeam "Tunisia"]
[WhiteTeamCountry "POR"]
[BlackTeamCountry "TUN"]

1. e4 e5 2. Nf3 Nf6 3. d3 Nc6 4. Be2 d5 5. Nbd2 Bc5 6. 0-0 a6 7. c3 dxe4 8. dxe4 a5 9. Qc2 0-0 10. Nc4 Qe7 11. Ne3 Be6 12. Nh4 Bxe3 13. Bxe3 Ng4 14. Nf5 Bxf5 15. exf5 Nxe3 16. fxe3 Qf6 17. Rad1 Rad8 18. Bf3 Rxd1 19. Rxd1 Rd8 1/2-1/2

[Event "Olympiad-20 Final C"]
[Site "Skopje"]
[Date "1972.09.27"]
[Round "1"]
[White "Littleton, Michael Flannan"]
[Black "Drira, Ahmed"]
[Result "1/2-1/2"]
[ECO "D34"]
[PlyCount "39"]
[EventDate "1972.09.27"]
[EventType "team-tourn"]
[EventRounds "15"]
[EventCountry "YUG"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]
[WhiteTeam "Ireland"]
[BlackTeam "Tunisia"]
[WhiteTeamCountry "IRL"]
[BlackTeamCountry "TUN"]

1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 Be7 8. 0-0 0-0 9. dxc5 d4 10. Na4 Bf5 11. Bf4 Qd7 12. Ne5 Nxe5 13. Bxe5 Rad8 14. Rc1 Bh3 15. Qb3 Bxg2 16. Kxg2 Ne4 17. Rc2 Qc6 18. f3 Ng5 19. Qc4 Bf6 20. Bxf6 1/2-1/2

[Event "Olympiad-20 Preliminaries H"]
[Site "Skopje"]
[Date "1972.09.25"]
[Round "7"]
[White "Shahsavar, Khosro"]
[Black "Drira, Ahmed"]
[Result "0-1"]
[ECO "C00"]
[PlyCount "97"]
[EventDate "1972.09.18"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "YUG"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]
[WhiteTeam "Iran"]
[BlackTeam "Tunisia"]
[WhiteTeamCountry "IRI"]
[BlackTeamCountry "TUN"]

1. e4 e6 2. d3 d5 3. Nd2 c5 4. g3 Nc6 5. Bg2 Nf6 6. c3 Be7 7. f4 0-0 8. Qe2 b5 9. Ngf3 a5 10. 0-0 Ba6 11. Rd1 a4 12. Nf1 b4 13. Qe1 a3 14. c4 axb2 15. Bxb2 dxc4 16. dxc4 Qc7 17. N1d2 Na5 18. Qe2 Nd7 19. a3 b3 20. Qe3 f6 21. Qc3 e5 22. Bh3 Rfd8 23. Nxb3 Nxb3 24. Qxb3 Rab8 25. Qc3 Nb6 26. Be6+ Kf8 27. Rxd8+ Qxd8 28. a4 Nxa4 29. Rxa4 Qd1+ 30. Ne1 Qxa4 31. fxe5 Qb4 32. exf6 Qxc3 33. fxe7+ Kxe7 34. Bxc3 Kxe6 35. Nd3 Rc8 36. Nf4+ Kf7 37. Nd5 Rb8 38. Ne3 Rb3 39. Bd2 Rd3 40. Bc1 Bxc4 41. Kf2 Ba6 42. Nd5 Bb7 43. Nf4 Rc3 44. Bd2 Rc2 45. Ke3 Bxe4 46. Ne2 Bf5 47. Nc3 Ke6 48. Ne2 g6 49. h3 0-1

[Event "Olympiad-20 Preliminaries H"]
[Site "Skopje"]
[Date "1972.09.24"]
[Round "6"]
[White "Byrne, Robert Eugene"]
[Black "Drira, Ahmed"]
[Result "1-0"]
[ECO "C11"]
[PlyCount "39"]
[EventDate "1972.09.18"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "YUG"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]
[WhiteTeam "United States"]
[BlackTeam "Tunisia"]
[WhiteTeamCountry "USA"]
[BlackTeamCountry "TUN"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 a6 6. Nf3 c5 7. Be3 Nc6 8. Qd2 b5 9. Be2 Bb7 10. 0-0 Be7 11. Nd1 cxd4 12. Nxd4 0-0 13. Nf2 Nc5 14. Rad1 Qd7 15. c3 Rac8 16. Bd3 Nxd3 17. Nxd3 f6 18. exf6 Bxf6 19. Nc5 Qe7 20. Ndxe6 1-0

[Event "Olympiad-20 Preliminaries H"]
[Site "Skopje"]
[Date "1972.09.23"]
[Round "5"]
[White "Drira, Ahmed"]
[Black "Badilles, Glicerio"]
[Result "0-1"]
[ECO "B01"]
[PlyCount "56"]
[EventDate "1972.09.18"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "YUG"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]
[WhiteTeam "Tunisia"]
[BlackTeam "Philippines"]
[WhiteTeamCountry "TUN"]
[BlackTeamCountry "PHI"]

1. e4 g6 2. d4 d5 3. exd5 Qxd5 4. Nc3 Qd8 5. Nf3 Bg7 6. Bf4 c6 7. Bc4 Nf6 8. Qd2 0-0 9. a4 a5 10. Bh6 Nbd7 11. h4 Nb6 12. Bb3 Bxh6 13. Qxh6 Ng4 14. Qd2 Nd5 15. h5 Qd6 16. 0-0-0 Bf5 17. hxg6 Bxg6 18. Nxd5 cxd5 19. Nh4 Nf6 20. f3 Kh8 21. Nxg6+ fxg6 22. Qg5 Kg8 23. Qe5 Rac8 24. Rhe1 Kf7 25. Re2 Rc6 26. Rde1 e6 27. Qg5 Qb4 28. Re5 Qxb3 0-1

[Event "Olympiad-20 Preliminaries H"]
[Site "Skopje"]
[Date "1972.09.22"]
[Round "4"]
[White "Edwards, Francis Paul"]
[Black "Drira, Ahmed"]
[Result "0-1"]
[ECO "C56"]
[PlyCount "76"]
[EventDate "1972.09.18"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "YUG"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]
[WhiteTeam "British Virgin Islands"]
[BlackTeam "Tunisia"]
[WhiteTeamCountry "IVB"]
[BlackTeamCountry "TUN"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 exd4 5. 0-0 Bc5 6. e5 d5 7. exf6 dxc4 8. Re1+ Be6 9. Ng5 Qd5 10. Nc3 Qf5 11. Nce4 0-0-0 12. Nxe6 fxe6 13. Nxc5 Qxc5 14. Qg4 gxf6 15. Qxe6+ Kb8 16. Bf4 Rhg8 17. Qf7 Ne5 18. Bxe5 fxe5 19. Qe6 Qd5 20. Qxd5 Rxd5 21. Rad1 c5 22. Re4 b5 23. g3 d3 24. c3 Kc7 25. Rd2 Kd6 26. Rh4 Rg7 27. Rh6+ Kc7 28. f3 e4 29. fxe4 Re5 30. Rf6 Rxe4 31. Kf2 Rge7 32. b3 Re2+ 33. Rxe2 Rxe2+ 34. Kf1 b4 35. Rf4 bxc3 36. Rxc4 c2 37. Rxc5+ Kb6 38. Rc3 Rxh2 0-1

[Event "Olympiad-20 Preliminaries H"]
[Site "Skopje"]
[Date "1972.09.21"]
[Round "3"]
[White "Drira, Ahmed"]
[Black "Midjord, Joan Paetur"]
[Result "1-0"]
[ECO "C68"]
[PlyCount "51"]
[EventDate "1972.09.18"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "YUG"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]
[WhiteTeam "Tunisia"]
[BlackTeam "Faroe Islands"]
[WhiteTeamCountry "TUN"]
[BlackTeamCountry "FAI"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. 0-0 Bd6 6. d4 f6 7. dxe5 fxe5 8. Nxe5 Ne7 9. Nd3 Ng6 10. Qh5 0-0 11. f4 Qe7 12. Nc3 b5 13. a3 Bd7 14. Be3 Be8 15. Qe2 b4 16. axb4 Bxb4 17. Na2 Qxe4 18. Naxb4 Nh4 19. Rf2 Rf6 20. Bd2 Qf5 21. Rxa6 Rb8 22. Ne5 Re6 23. Qc4 Bf7 24. Nxf7 Qxf7 25. Rxc6 Rbe8 26. Rxc7 1-0

[Event "Olympiad-20 Preliminaries H"]
[Site "Skopje"]
[Date "1972.09.20"]
[Round "2"]
[White "Drira, Ahmed"]
[Black "Ghitescu, Theodor"]
[Result "1/2-1/2"]
[ECO "B67"]
[PlyCount "72"]
[EventDate "1972.09.18"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "YUG"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]
[WhiteTeam "Tunisia"]
[BlackTeam "Romania"]
[WhiteTeamCountry "TUN"]
[BlackTeamCountry "ROU"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 Nc6 7. f4 Bd7 8. Qd2 e6 9. 0-0-0 b5 10. Nxc6 Bxc6 11. Bd3 Be7 12. Kb1 Qc7 13. Rhe1 b4 14. Bxf6 gxf6 15. Ne2 Qb6 16. Ng3 a5 17. f5 Qc5 18. Qh6 a4 19. fxe6 fxe6 20. e5 fxe5 21. Ne4 Bxe4 22. Bxe4 Ra7 23. Qxe6 a3 24. Rd5 Qf2 25. Red1 Qf6 26. Qc8+ Kf7 27. Qc4 Kg7 28. Rf1 Rc7 29. Qe2 Qh4 30. g3 Qh3 31. Bf5 Qh6 32. Qg4+ Qg5 33. Qe4 Rf8 34. g4 Qh4 35. Rd3 axb2 36. Qg2 Rc3 1/2-1/2

[Event "Olympiad-20 Preliminaries H"]
[Site "Skopje"]
[Date "1972.09.19"]
[Round "1"]
[White "Drira, Ahmed"]
[Black "Watzka, Horst"]
[Result "0-1"]
[ECO "B02"]
[PlyCount "60"]
[EventDate "1972.09.18"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "YUG"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]
[WhiteTeam "Tunisia"]
[BlackTeam "Austria"]
[WhiteTeamCountry "TUN"]
[BlackTeamCountry "AUT"]

1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. c5 Nd5 5. Nc3 e6 6. Bc4 Nxc3 7. dxc3 Nc6 8. Bf4 Bxc5 9. Qg4 g5 10. Bxg5 Rg8 11. Nh3 Be7 12. f4 Bxg5 13. fxg5 Nxe5 14. Qh4 Rh8 15. 0-0 Qe7 16. Kh1 d6 17. Rf6 Bd7 18. Be2 0-0-0 19. Rh6 Ng6 20. Qh5 e5 21. Bg4 Be6 22. Rf1 d5 23. Rf6 d4 24. cxd4 exd4 25. Nf4 Bxg4 26. Qxg4+ Kb8 27. Nd3 Ne5 28. Qe2 Rhe8 29. Rxh7 Nxd3 30. Qxd3 Qxf6 0-1

[Event "Caorle zt"]
[Site "Caorle"]
[Date "1972.??.??"]
[Round "7"]
[White "Drira, Ahmed"]
[Black "Bellon Lopez, Juan Manuel"]
[Result "0-1"]
[ECO "B35"]
[PlyCount "88"]
[EventDate "1972.??.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ITA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 Qa5 8. 0-0 0-0 9. Bb3 d6 10. f3 Bd7 11. Qd2 Rfc8 12. Rad1 Qd8 13. Qf2 Ne5 14. Ndb5 Bxb5 15. Nxb5 Qa5 16. a4 Nfd7 17. Bd2 Qb6 18. Be3 Qa6 19. Bg5 Bf6 20. Bxf6 Nxf6 21. Qe2 Qb6+ 22. Kh1 Rc5 23. f4 Nc6 24. Rd3 Kg7 25. Nc3 Nb4 26. e5 Ng8 27. Rd2 d5 28. Nxd5 Nxd5 29. Rxd5 Rxd5 30. Bxd5 Qxb2 31. f5 gxf5 32. Qh5 e6 33. Bf3 Qxe5 34. g4 Nf6 35. Qg5+ Kh8 36. gxf5 Rg8 37. Qd2 Ne4 38. Qe2 exf5 39. Bxe4 fxe4 40. Rxf7 Qd5 41. Rf1 e3+ 42. Rf3 h5 43. c4 Qe4 44. h3 Rg3 0-1

[Event "Caorle zt"]
[Site "Caorle"]
[Date "1972.??.??"]
[Round "14"]
[White "Drira, Ahmed"]
[Black "Bohosjan, Sarkis"]
[Result "1/2-1/2"]
[ECO "B06"]
[PlyCount "20"]
[EventDate "1972.??.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ITA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. f4 c6 5. Nf3 Bg4 6. Be2 Qb6 7. Na4 Qb4+ 8. Nc3 Qb6 9. Na4 Qb4+ 10. Nc3 Qb6 1/2-1/2

[Event "Caorle zt"]
[Site "Caorle"]
[Date "1972.??.??"]
[Round "9"]
[White "Drira, Ahmed"]
[Black "Dunkelblum, Arthur"]
[Result "1/2-1/2"]
[ECO "B13"]
[PlyCount "46"]
[EventDate "1972.??.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ITA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Nf6 6. Bf4 Bg4 7. Qb3 Na5 8. Qc2 a6 9. a4 e6 10. Nd2 Bd6 11. Bxd6 Qxd6 12. Ngf3 Nc6 13. 0-0 Rc8 14. Qb1 Bh5 15. Re1 Nd7 16. g3 Bg6 17. Ng5 Ne7 18. Ndf3 Bxd3 19. Qxd3 h6 20. Nh3 0-0 21. Ne5 Nxe5 22. dxe5 Qb6 23. Qd2 Rfd8 1/2-1/2

[Event "Caorle zt"]
[Site "Caorle"]
[Date "1972.??.??"]
[Round "3"]
[White "Drira, Ahmed"]
[Black "Eising, Johannes"]
[Result "1/2-1/2"]
[ECO "B44"]
[PlyCount "97"]
[EventDate "1972.??.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ITA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Bd3 Nc6 6. Be3 d5 7. exd5 Nxd5 8. 0-0 Be7 9. Nxc6 bxc6 10. Bd2 Bf6 11. Nc3 Nxc3 12. Bxc3 Bxc3 13. bxc3 0-0 14. Qe2 g6 15. Be4 Bb7 16. Rab1 Rb8 17. Qf3 Qc7 18. Qf6 c5 19. Bxb7 Rxb7 20. c4 Qe7 21. Qxe7 Rxe7 22. Rb5 Rc8 23. Rfb1 Rcc7 24. Rd1 Red7 25. Rxd7 Rxd7 26. Kf1 Rc7 27. Ke2 Kg7 28. a4 Kf6 29. g4 Ke5 30. Ke3 f5 31. gxf5 exf5 32. c3 g5 33. f3 f4+ 34. Ke2 Rc6 35. Kf2 a6 36. Rb7 Rd6 37. Re7+ Kf5 38. Ke1 Rd3 39. Rxh7 Re3+ 40. Kf2 Rxc3 41. Rh6 a5 42. h4 Rxc4 43. Rh5 Rxa4 44. Rxg5+ Kf6 45. Rxc5 Ra2+ 46. Kg1 a4 47. Ra5 Kg6 48. Rg5+ Kh6 49. Ra5 1/2-1/2

[Event "Caorle zt"]
[Site "Caorle"]
[Date "1972.??.??"]
[Round "16"]
[White "Drira, Ahmed"]
[Black "Forintos, Gyozo Victor"]
[Result "0-1"]
[ECO "B77"]
[PlyCount "84"]
[EventDate "1972.??.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ITA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. Nc3 cxd4 5. Nxd4 Nc6 6. Be3 Nf6 7. Bc4 0-0 8. Bb3 d6 9. f3 Bd7 10. Qd2 Nxd4 11. Bxd4 b5 12. h4 a5 13. a4 bxa4 14. Nxa4 e5 15. Be3 Be6 16. Nb6 Rb8 17. Qxa5 Bxb3 18. cxb3 d5 19. exd5 e4 20. 0-0 exf3 21. Rxf3 Re8 22. Nc4 Qxd5 23. Qxd5 Nxd5 24. Bc5 h5 25. Ra7 f5 26. Nd6 Rf8 27. Rg3 Nf4 28. Re3 Bf6 29. g3 Nd5 30. Rd3 Nb4 31. Rd2 Nc6 32. Rc7 Ne5 33. Kg2 Rxb3 34. Nc8 Rd8 35. Re2 Rd7 36. Rxd7 Nxd7 37. Ba3 Be5 38. Rd2 Rxg3+ 39. Kf2 Nf6 40. Rd8+ Kh7 41. Ne7 Rb3 42. Rf8 Bg3+ 0-1

[Event "Caorle zt"]
[Site "Caorle"]
[Date "1972.??.??"]
[Round "1"]
[White "Drira, Ahmed"]
[Black "Ljubojevic, Ljubomir"]
[Result "0-1"]
[ECO "B99"]
[PlyCount "94"]
[EventDate "1972.??.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ITA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 h6 8. Bh4 Nbd7 9. Qf3 Qc7 10. 0-0-0 Be7 11. g4 g5 12. fxg5 Ne5 13. Qg3 Nfxg4 14. gxh6 Bxh4 15. Qxh4 Rxh6 16. Qg3 Qe7 17. Be2 Qg5+ 18. Kb1 Qh4 19. Bxg4 Qxg4 20. Qxg4 Nxg4 21. Rdg1 Nf6 22. Nf3 b5 23. a3 Bb7 24. Ng5 Ke7 25. Rg3 Rh4 26. Rf3 Rg8 27. Rhf1 Rxg5 28. Rxf6 Rg7 29. R6f4 Rxh2 30. Kc1 Bc6 31. b4 Rgh7 32. Kb2 R2h4 33. Kb3 e5 34. Rxh4 Rxh4 35. Re1 Ke6 36. Re3 f6 37. Kb2 d5 38. exd5+ Bxd5 39. Nxd5 Kxd5 40. Kb3 f5 41. Rf3 f4 42. Rd3+ Kc6 43. c4 bxc4+ 44. Kxc4 f3+ 45. Kc3 e4 46. Rd1 Rf4 47. Kd4 Kb5 0-1

[Event "Caorle zt"]
[Site "Caorle"]
[Date "1972.??.??"]
[Round "5"]
[White "Drira, Ahmed"]
[Black "Pomar Salamanca, Arturo"]
[Result "0-1"]
[ECO "B14"]
[PlyCount "38"]
[EventDate "1972.??.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ITA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. Nf3 Be7 7. Bg5 0-0 8. Rc1 Nc6 9. c5 Ne4 10. Bxe7 Qxe7 11. Bb5 Nxc3 12. Rxc3 e5 13. dxe5 d4 14. Nxd4 Rd8 15. Bxc6 bxc6 16. Rd3 Qxe5+ 17. Re3 Qf4 18. 0-0 Bg4 19. Ne2 Qxe3 0-1

[Event "Caorle zt"]
[Site "Caorle"]
[Date "1972.??.??"]
[Round "11"]
[White "Drira, Ahmed"]
[Black "Ree, Hans"]
[Result "0-1"]
[ECO "B96"]
[PlyCount "72"]
[EventDate "1972.??.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ITA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Nbd7 8. Qf3 Qc7 9. 0-0-0 b5 10. g4 b4 11. Nce2 Bb7 12. Bxf6 Nxf6 13. Ng3 Be7 14. g5 Nd7 15. Bh3 0-0 16. Rhg1 g6 17. Qg4 Kh8 18. Qh4 Rfc8 19. Kb1 Qd8 20. Qg4 Rc7 21. Bg2 e5 22. Nf3 exf4 23. Qxf4 Kg8 24. h4 Rc5 25. h5 Ne5 26. Nxe5 Rxe5 27. Rdf1 Qf8 28. Nf5 gxf5 29. exf5 Bxg2 30. Rxg2 Re8 31. f6 Bd8 32. Rgg1 Bb6 33. g6 Bxg1 34. g7 Re1+ 35. Qc1 Rxc1+ 36. Rxc1 Bf2 0-1

[Event "Caorle zt"]
[Site "Caorle"]
[Date "1972.??.??"]
[Round "13"]
[White "Drira, Ahmed"]
[Black "Williams, Arthur Howard"]
[Result "0-1"]
[ECO "B02"]
[PlyCount "68"]
[EventDate "1972.??.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ITA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. c5 Nd5 5. Nc3 e6 6. Bc4 Nxc3 7. dxc3 b6 8. Qg4 Nc6 9. Nf3 Bb7 10. cxb6 axb6 11. Bf4 h6 12. Rd1 Qe7 13. b4 0-0-0 14. 0-0 g5 15. Be3 Bg7 16. Bd4 Rdg8 17. Rfe1 h5 18. Qxg5 Qe8 19. Qe3 Rh6 20. Nh4 Qe7 21. g3 Rhh8 22. Kf1 Bh6 23. f4 Rg4 24. Ke2 Bxf4 25. gxf4 Qxh4 26. Rf1 Qxh2+ 27. Rf2 Rg2 28. Rdf1 h4 29. Rxg2 Qxg2+ 30. Rf2 Qg4+ 31. Kd2 h3 32. Be2 Qg1 33. Rf1 Qxe3+ 34. Bxe3 Ne7 0-1

[Event "Caorle zt"]
[Site "Caorle"]
[Date "1972.??.??"]
[Round "2"]
[White "Friedgood, David"]
[Black "Drira, Ahmed"]
[Result "1-0"]
[ECO "A36"]
[PlyCount "139"]
[EventDate "1972.??.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ITA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e4 d6 6. Nge2 Bg4 7. f3 Bd7 8. d3 Nf6 9. Be3 0-0 10. 0-0 a6 11. Qd2 Rb8 12. d4 cxd4 13. Nxd4 Ne5 14. b3 b5 15. cxb5 axb5 16. h3 b4 17. Nd5 Nxd5 18. exd5 Bb5 19. Nxb5 Rxb5 20. f4 Nd7 21. Bd4 Bxd4+ 22. Qxd4 Qb6 23. Rad1 Rc8 24. Qxb6 Nxb6 25. Rf2 Rc3 26. g4 Rcc5 27. Rfd2 Na8 28. Kf2 Nc7 29. Rd4 Rc2+ 30. R1d2 Rbc5 31. Ke2 Nb5 32. Rxb4 Nc3+ 33. Kd3 Rxd2+ 34. Kxd2 Nxa2 35. Rd4 Nc1 36. Rb4 f6 37. Be4 Na2 38. Rb8+ Kf7 39. Rh8 Kg7 40. Re8 Rc7 41. Bd3 Nb4 42. Bc4 Ra7 43. Kc3 Na2+ 44. Kb2 Nb4 45. Rb8 Na6 46. Bxa6 Rxa6 47. b4 Ra7 48. b5 Ra4 49. b6 Rxf4 50. Ka3 Rf1 51. Ka4 Rb1 52. Ka5 f5 53. gxf5 gxf5 54. Rc8 Kf6 55. Rc4 Ke5 56. Rb4 Ra1+ 57. Kb5 Ra8 58. b7 Rb8 59. Kc6 f4 60. Kc7 Rxb7+ 61. Kxb7 Kxd5 62. Rxf4 e5 63. Rh4 e4 64. Rxh7 Kd4 65. Kc6 d5 66. Rd7 e3 67. Rxd5+ Ke4 68. Rd8 e2 69. Re8+ Kf3 70. h4 1-0

[Event "Caorle zt"]
[Site "Caorle"]
[Date "1972.??.??"]
[Round "17"]
[White "Ivkov, Borislav"]
[Black "Drira, Ahmed"]
[Result "1-0"]
[ECO "B36"]
[PlyCount "51"]
[EventDate "1972.??.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ITA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. Nf3 c5 2. c4 g6 3. d4 cxd4 4. Nxd4 Nc6 5. e4 Nf6 6. Nc3 Nxd4 7. Qxd4 d6 8. Be2 Bg7 9. 0-0 0-0 10. Qe3 a6 11. Rd1 Qc7 12. Bd2 Bd7 13. Rac1 Rac8 14. b3 Qb8 15. a4 b6 16. f3 Bc6 17. Nd5 Bxd5 18. cxd5 a5 19. Bb5 Rfd8 20. Be1 Ne8 21. Bf2 Rc5 22. Qd2 Qa7 23. Bxc5 bxc5 24. Kh1 Nc7 25. Bc4 Na6 26. Qxa5 1-0

[Event "Caorle zt"]
[Site "Caorle"]
[Date "1972.??.??"]
[Round "15"]
[White "Jansa, Vlastimil"]
[Black "Drira, Ahmed"]
[Result "1-0"]
[ECO "D34"]
[PlyCount "75"]
[EventDate "1972.??.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ITA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 c5 4. cxd5 exd5 5. g3 Nc6 6. Bg2 Nf6 7. 0-0 Be7 8. Nc3 0-0 9. b3 Ne4 10. Bb2 Bf6 11. Na4 Rb8 12. Rc1 b6 13. Re1 Ba6 14. dxc5 Bxb2 15. Nxb2 bxc5 16. Na4 d4 17. Nd2 Nc3 18. Nxc3 dxc3 19. Rxc3 Nd4 20. e3 Ne6 21. Nc4 Qf6 22. Rd3 Rbd8 23. Rxd8 Rxd8 24. Qc2 g6 25. h4 h5 26. Rd1 Rxd1+ 27. Qxd1 Bxc4 28. bxc4 Kg7 29. Qa4 Qe7 30. Bd5 Kh7 31. Qa6 Nc7 32. Qc6 Kg7 33. a4 Kh7 34. a5 Kg7 35. a6 Kh7 36. Qb7 Nxd5 37. cxd5 Qf8 38. Qxa7 1-0

[Event "Caorle zt"]
[Site "Caorle"]
[Date "1972.??.??"]
[Round "12"]
[White "Keene, Raymond"]
[Black "Drira, Ahmed"]
[Result "1-0"]
[ECO "A37"]
[PlyCount "67"]
[EventDate "1972.??.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ITA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. Nf3 c5 2. g3 g6 3. c4 Bg7 4. Nc3 Nc6 5. Bg2 e6 6. b3 Nge7 7. Bb2 d5 8. Na4 Bxb2 9. Nxb2 0-0 10. cxd5 Nxd5 11. Rc1 b6 12. d4 Nxd4 13. Nxd4 cxd4 14. Qxd4 Bb7 15. 0-0 Rc8 16. Nc4 b5 17. Qxa7 Qc7 18. Bxd5 exd5 19. Ne3 Qxc1 20. Rxc1 Rxc1+ 21. Kg2 d4+ 22. Qxb7 dxe3 23. Qxb5 exf2 24. Kxf2 h5 25. a4 Ra1 26. a5 Ra2 27. b4 Ra3 28. h4 Ra2 29. Kf3 Ra3+ 30. e3 Kh7 31. Qb7 Kg8 32. a6 Re8 33. a7 Raxe3+ 34. Kf4 1-0

[Event "Caorle zt"]
[Site "Caorle"]
[Date "1972.??.??"]
[Round "10"]
[White "Pritchett, Craig William"]
[Black "Drira, Ahmed"]
[Result "1-0"]
[ECO "B16"]
[PlyCount "49"]
[EventDate "1972.??.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ITA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ gxf6 6. c3 Bf5 7. Ne2 e6 8. Ng3 Bg6 9. h4 h5 10. Bd3 Bxd3 11. Qxd3 Qc7 12. Qf3 Nd7 13. Nxh5 0-0-0 14. Nxf6 Nxf6 15. Qxf6 Rg8 16. Bf4 Bd6 17. Bxd6 Qxd6 18. Qf3 e5 19. Qf5+ Kb8 20. 0-0-0 Rxg2 21. dxe5 Qh6+ 22. f4 Rxd1+ 23. Rxd1 Qxh4 24. Qxf7 Rf2 25. e6 1-0

[Event "Caorle zt"]
[Site "Caorle"]
[Date "1972.??.??"]
[Round "4"]
[White "Silva, Fernando"]
[Black "Drira, Ahmed"]
[Result "1/2-1/2"]
[ECO "C60"]
[PlyCount "45"]
[EventDate "1972.??.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ITA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 g6 4. 0-0 Bg7 5. c3 d5 6. Bxc6+ bxc6 7. exd5 Ne7 8. Re1 Qxd5 9. c4 Qd6 10. Nc3 Bf5 11. d3 Rd8 12. Bg5 f6 13. Be3 Bxd3 14. Bxa7 0-0 15. Qb3 Qe6 16. Qb7 Bxc4 17. Bc5 Nd5 18. Bxf8 Nf4 19. Red1 Qg4 20. g3 Qxf3 21. gxf4 Rxf8 22. Qb4 Qxf4 23. Qc5 1/2-1/2

[Event "Caorle zt"]
[Site "Caorle"]
[Date "1972.??.??"]
[Round "6"]
[White "Tatai, Stefano"]
[Black "Drira, Ahmed"]
[Result "1-0"]
[ECO "D32"]
[PlyCount "85"]
[EventDate "1972.??.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ITA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 cxd4 5. Qa4+ Bd7 6. Qxd4 exd5 7. Nf3 Nc6 8. Qd1 Nf6 9. e3 Bd6 10. Be2 0-0 11. 0-0 Bg4 12. h3 Bc8 13. b3 Re8 14. Bb2 Ne5 15. Nxd5 Bf5 16. Nf4 Be4 17. Nxe5 Bxe5 18. Bxe5 Rxe5 19. Qxd8+ Rxd8 20. Rfd1 Rde8 21. Rac1 Bc6 22. Rd4 g6 23. h4 Kg7 24. b4 R8e7 25. Bc4 h6 26. Bb3 a5 27. Nd3 Rh5 28. Bd1 Rd5 29. Rxd5 Bxd5 30. bxa5 Bxa2 31. Nb4 Be6 32. Bf3 Rd7 33. Rc5 Ne8 34. Nc2 Nd6 35. Nd4 Re7 36. e4 h5 37. Nxe6+ fxe6 38. e5 Nf5 39. Rc4 Rd7 40. Rb4 Nd4 41. Bxb7 Nc2 42. Rb2 Nd4 43. a6 1-0

[Event "Caorle zt"]
[Site "Caorle"]
[Date "1972.??.??"]
[Round "8"]
[White "Wirthensohn, Heinz"]
[Black "Drira, Ahmed"]
[Result "1-0"]
[ECO "B38"]
[PlyCount "117"]
[EventDate "1972.??.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ITA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. c4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Bg7 5. e4 Nc6 6. Be3 d6 7. Be2 Nf6 8. Nc3 0-0 9. 0-0 Bd7 10. Rc1 Qa5 11. Nb3 Qd8 12. f4 a6 13. c5 Be6 14. cxd6 exd6 15. Bf3 Re8 16. Nd4 Nxd4 17. Bxd4 b5 18. Qd2 Rb8 19. b3 b4 20. Nd1 d5 21. e5 Ne4 22. Qb2 f5 23. exf6 Bxf6 24. Bxf6 Qxf6 25. Qxf6 Nxf6 26. Rc6 Ne4 27. Re1 Bd7 28. Rxa6 Nc3 29. Kf2 d4 30. Rd6 Rxe1 31. Kxe1 Be8 32. Rxd4 Nxa2 33. Bd5+ Bf7 34. Bxf7+ Kxf7 35. Rc4 Rd8 36. Ke2 Rd7 37. Rc2 Re7+ 38. Kf2 Rd7 39. Rxa2 Rxd1 40. Ra4 Rd2+ 41. Kf1 Rd4 42. g3 Rd2 43. Kg1 Rd4 44. Ra7+ Kg8 45. Rb7 h6 46. Kg2 Rd2+ 47. Kh3 Rd4 48. Kg4 Kh8 49. h4 Kg8 50. h5 g5 51. Kf5 gxf4 52. gxf4 Rd5+ 53. Kg4 Rd4 54. Rb5 Kg7 55. Kf5 Kf7 56. Ke5 Rd3 57. Rxb4 Rh3 58. Rb7+ Kg8 59. Kf6 1-0

