[Event "Olympiad-18 Final D"]
[Site "Lugano"]
[Date "1968.11.05"]
[Round "10"]
[White "Hardt, Gustav"]
[Black "Rojas, Jose J"]
[Result "1-0"]
[ECO "A30"]
[PlyCount "79"]
[EventDate "1968.10.26"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "SUI"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Hong Kong"]
[BlackTeam "Costa Rica"]
[WhiteTeamCountry "HKG"]
[BlackTeamCountry "CRI"]

1. Nf3 Nf6 2. c4 e6 3. d3 Be7 4. g3 b6 5. Bg2 Bb7 6. Nc3 0-0 7. 0-0 c5 8. e3 Qc8 9. b3 Qc6 10. Bb2 d6 11. Rc1 Nbd7 12. d4 Rad8 13. d5 Qc8 14. e4 e5 15. Nh4 g6 16. Bh3 Qb8 17. Ng2 Bc8 18. Rc2 Nh5 19. Bxd7 Bxd7 20. f4 exf4 21. Nxf4 Nxf4 22. gxf4 Bh3 23. Rf3 Bg4 24. Qf1 Bxf3 25. Qxf3 f5 26. Re2 Qc7 27. e5 dxe5 28. fxe5 Bh4 29. e6 Qe7 30. Nb5 a6 31. d6 Rxd6 32. Nxd6 Qxd6 33. Qd5 Be7 34. Kg2 f4 35. Kf3 Rf5 36. Qxd6 Bxd6 37. e7 Bxe7 38. Rxe7 g5 39. Re5 Rf7 40. Rxg5+ 1-0

[Event "Olympiad-18 Final D"]
[Site "Lugano"]
[Date "1968.11.03"]
[Round "8"]
[White "Roebuck, Ector"]
[Black "Rojas, Jose J"]
[Result "1-0"]
[ECO "B50"]
[PlyCount "61"]
[EventDate "1968.10.26"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "SUI"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "British Virgin Islands"]
[BlackTeam "Costa Rica"]
[WhiteTeamCountry "IVB"]
[BlackTeamCountry "CRI"]

1. e4 c5 2. Nf3 d6 3. c3 Bg4 4. h3 Bd7 5. d4 cxd4 6. cxd4 Nc6 7. Nc3 e6 8. Be2 Nf6 9. 0-0 g6 10. Bg5 a6 11. e5 dxe5 12. dxe5 Be7 13. exf6 Bxf6 14. Bxf6 Qxf6 15. Qd2 Rd8 16. Ne4 Qe7 17. Nd6+ Kf8 18. Nxb7 Rb8 19. Nd6 Kg7 20. Bxa6 Rb6 21. Bc4 Rhb8 22. b3 Nd8 23. Rfd1 Bc6 24. Qd4+ Qf6 25. Ne5 Rb4 26. a3 R4b6 27. Nxc6 Nxc6 28. Ne8+ Rxe8 29. Qxb6 Ne5 30. Qd4 Kg8 31. f4 1-0

[Event "Olympiad-18 Final D"]
[Site "Lugano"]
[Date "1968.10.31"]
[Round "6"]
[White "Galeb, Antoine"]
[Black "Rojas, Jose J"]
[Result "1-0"]
[ECO "B00"]
[PlyCount "77"]
[EventDate "1968.10.26"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "SUI"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Lebanon"]
[BlackTeam "Costa Rica"]
[WhiteTeamCountry "LBN"]
[BlackTeamCountry "CRI"]

1. e4 c5 2. c3 b6 3. d4 e6 4. Nf3 Bb7 5. Bd3 cxd4 6. cxd4 Bb4+ 7. Nc3 Nf6 8. Qe2 d6 9. 0-0 0-0 10. Bg5 Bxc3 11. bxc3 h6 12. Bh4 g5 13. Bg3 Re8 14. e5 dxe5 15. Nxe5 Qd5 16. f3 Nh5 17. Be4 Ba6 18. Qe3 Qd8 19. Bxa8 Bxf1 20. Rxf1 Na6 21. Bc6 Re7 22. Ba4 Qc8 23. Bb3 Ng7 24. f4 Nf5 25. Qd3 Rc7 26. Be1 Nb8 27. fxg5 hxg5 28. Qh3 b5 29. Bc2 f6 30. Ng4 Qd8 31. Bxf5 exf5 32. Rxf5 Nd7 33. Qf3 Kg7 34. h4 Qe7 35. Bf2 Qe6 36. hxg5 Kg6 37. Rxb5 f5 38. Nh6 Nb6 39. Re5 1-0

[Event "Olympiad-18 Final D"]
[Site "Lugano"]
[Date "1968.10.28"]
[Round "3"]
[White "Flores Soto, Eduardo"]
[Black "Rojas, Jose J"]
[Result "1-0"]
[ECO "B27"]
[PlyCount "145"]
[EventDate "1968.10.26"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "SUI"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Mexico"]
[BlackTeam "Costa Rica"]
[WhiteTeamCountry "MEX"]
[BlackTeamCountry "CRI"]

1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. dxc5 Qc7 5. Bc4 e6 6. Qd6 Qc6 7. Nbd2 b5 8. Qxc6 dxc6 9. Be2 Nd7 10. Nb3 Ngf6 11. Bd3 0-0 12. 0-0 a5 13. a4 b4 14. Bf4 Ng4 15. Bd6 Re8 16. Rab1 Bb7 17. Rfd1 Rec8 18. h3 Ngf6 19. g4 Ne8 20. e5 Nc7 21. Bc4 Nd5 22. g5 h6 23. h4 h5 24. Rd4 Kh7 25. Re1 Kg8 26. Nbd2 Bf8 27. Ne4 Kg7 28. Kh2 Ra7 29. Kg3 Ba8 30. Nfd2 Rd8 31. Nb3 Bxd6 32. Nxd6 Ne7 33. Rf4 Rf8 34. Rd4 Nd5 35. f4 Ne7 36. Red1 Nd5 37. Kf3 Rd8 38. Ne4 Nf8 39. Bf1 Nd7 40. Rb1 Kf8 41. Nd6 Ne7 42. Ke4 Rc7 43. Bh3 Kg7 44. Kd3 Kf8 45. Rd1 Nd5 46. Ke2 Ra7 47. R1d3 Kg7 48. Kd2 Kf8 49. Bg2 Kg7 50. Kc1 Kf8 51. Kb1 Kg7 52. Bf3 Kf8 53. Rc4 Kg7 54. Ka2 Kf8 55. Rcd4 Kg7 56. Kb1 Kf8 57. c4 bxc3 58. Bxd5 cxd5 59. Rxc3 Bc6 60. Nb5 Ra6 61. Rd2 Rc8 62. N3d4 Nb8 63. Nd6 Rd8 64. N4b5 Nd7 65. Rd4 Nb8 66. b4 axb4 67. Rxb4 Nd7 68. Nd4 Bxa4 69. c6 Nb6 70. c7 Rc8 71. Nxc8 Nc4 72. Rcxc4 dxc4 73. Nb6 1-0

[Event "Olympiad-18 Final D"]
[Site "Lugano"]
[Date "1968.10.27"]
[Round "2"]
[White "Lantsias, Andreas"]
[Black "Rojas, Jose J"]
[Result "1-0"]
[ECO "B06"]
[PlyCount "81"]
[EventDate "1968.10.26"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "SUI"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Cyprus"]
[BlackTeam "Costa Rica"]
[WhiteTeamCountry "CYP"]
[BlackTeamCountry "CRI"]

1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. Be3 d6 5. c3 Nd7 6. Be2 Ngf6 7. Nbd2 0-0 8. 0-0 b6 9. Rc1 Bb7 10. d5 a6 11. b3 h6 12. Ne1 e6 13. c4 Re8 14. Nc2 exd5 15. exd5 Qe7 16. f4 Bc8 17. Qe1 Nf8 18. Bd3 Ra7 19. Bf2 Qd8 20. Qd1 Bg4 21. Nf3 Rae7 22. h3 Bd7 23. Qd2 Qc8 24. Kh2 Bf5 25. Rce1 Be4 26. Be3 Qf5 27. Bxe4 Nxe4 28. Qd3 Nh7 29. g4 Qd7 30. Nd2 f5 31. Nxe4 Rxe4 32. Rg1 Nf6 33. gxf5 Qxf5 34. Rg2 Rxe3 35. Qxf5 gxf5 36. Rxe3 Rxe3 37. Nxe3 Nh5 38. Nxf5 Kf7 39. Nxd6+ Kf6 40. Ne8+ Kf7 41. Nxg7 1-0

[Event "Olympiad-18 Preliminaries D"]
[Site "Lugano"]
[Date "1968.10.23"]
[Round "6"]
[White "Bouwmeester, Hans"]
[Black "Rojas, Jose J"]
[Result "1-0"]
[ECO "A04"]
[PlyCount "73"]
[EventDate "1968.10.17"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Netherlands"]
[BlackTeam "Costa Rica"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "CRI"]

1. Nf3 c5 2. g3 d6 3. Bg2 Nf6 4. 0-0 g6 5. c4 Bg7 6. Nc3 a6 7. d4 Nbd7 8. e4 cxd4 9. Nxd4 0-0 10. b3 Nc5 11. h3 Ne8 12. Be3 Qc7 13. Rc1 Nf6 14. Qd2 Be6 15. f4 Nh5 16. g4 Nf6 17. b4 Bxc4 18. bxc5 Bxf1 19. cxd6 exd6 20. Bxf1 Qd7 21. g5 Nh5 22. Nd5 Qd8 23. Nb3 Ng3 24. Bg2 Kh8 25. Kh2 Nh5 26. Bf3 Rc8 27. Rd1 Re8 28. Bb6 Qd7 29. Bg4 f5 30. gxf6 Qf7 31. fxg7+ Kg8 32. Bxc8 Rxe4 33. Bg4 Nxf4 34. Nxf4 Rxf4 35. Qxd6 Rf2+ 36. Bxf2 Qxf2+ 37. Kh1 1-0

[Event "Olympiad-18 Preliminaries D"]
[Site "Lugano"]
[Date "1968.10.20"]
[Round "3"]
[White "Allan, Denis"]
[Black "Rojas, Jose J"]
[Result "1-0"]
[ECO "B00"]
[PlyCount "85"]
[EventDate "1968.10.17"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Canada"]
[BlackTeam "Costa Rica"]
[WhiteTeamCountry "CAN"]
[BlackTeamCountry "CRI"]

1. e4 Nc6 2. Nf3 d6 3. Bc4 Bg4 4. Bxf7+ Kxf7 5. Ng5+ Ke8 6. Qxg4 Nf6 7. Qe2 Qd7 8. d3 h6 9. Nf3 e5 10. 0-0 Qg4 11. Nc3 Rd8 12. Be3 Rd7 13. Rfe1 g5 14. Rad1 Rg8 15. d4 Nxe4 16. dxe5 Nxc3 17. bxc3 Rg6 18. exd6 Bxd6 19. h3 Qe6 20. Bxg5 Qxe2 21. Rxe2+ Kf8 22. Bf4 Rd8 23. Bxd6+ Rgxd6 24. Rxd6 Rxd6 25. Rd2 Rxd2 26. Nxd2 Ke7 27. f4 Ke6 28. Kf2 Ne7 29. c4 Nf5 30. c3 c5 31. Ne4 b6 32. g4 Ne7 33. Ke3 Nc6 34. Ng3 a6 35. Nf5 Na5 36. Kd3 b5 37. cxb5 c4+ 38. Ke4 axb5 39. Nd4+ Kd6 40. Nxb5+ Kc5 41. Nd4 Nb7 42. Nf5 Kb5 43. Kd4 1-0

[Event "Olympiad-18 Preliminaries D"]
[Site "Lugano"]
[Date "1968.10.19"]
[Round "2"]
[White "Kostjoerin, Anatole"]
[Black "Rojas, Jose J"]
[Result "1-0"]
[ECO "C70"]
[PlyCount "93"]
[EventDate "1968.10.17"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Monaco"]
[BlackTeam "Costa Rica"]
[WhiteTeamCountry "MNC"]
[BlackTeamCountry "CRI"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nge7 4. Nc3 a6 5. Ba4 b5 6. Bb3 Ng6 7. d3 h6 8. 0-0 Bc5 9. Be3 d6 10. h3 Be6 11. Qd2 Nd4 12. Bxd4 exd4 13. Nd5 Ne5 14. Qf4 Nxf3+ 15. Qxf3 0-0 16. Nf4 Bxb3 17. axb3 c6 18. Qg4 Qe7 19. Nh5 f6 20. Nf4 Qf7 21. Ng6 Rfe8 22. h4 d5 23. f3 Bd6 24. h5 Re6 25. Nh4 Re5 26. Nf5 Rxf5 27. Qxf5 Re8 28. Rxa6 Re5 29. Ra8+ Bf8 30. Qg6 Rxh5 31. Qxf7+ Kxf7 32. Rfa1 Bd6 33. R1a7+ Kg6 34. Rg8 dxe4 35. Raxg7+ Kf5 36. g4+ Kf4 37. gxh5 e3 38. Kf1 Kxf3 39. Rg2 Bf4 40. b4 Bd6 41. c3 Be5 42. cxd4 Bxd4 43. R2g3+ Kf4 44. R8g4+ Ke5 45. Re4+ Kd5 46. Rxd4+ Kxd4 47. Ke2 1-0

[Event "Olympiad-18 Preliminaries D"]
[Site "Lugano"]
[Date "1968.10.18"]
[Round "1"]
[White "Rojas, Jose J"]
[Black "Cantero, Ronaldo"]
[Result "1/2-1/2"]
[ECO "B06"]
[PlyCount "26"]
[EventDate "1968.10.17"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Costa Rica"]
[BlackTeam "Paraguay"]
[WhiteTeamCountry "CRI"]
[BlackTeamCountry "PAR"]

1. d4 Nf6 2. g3 g6 3. Bg2 Bg7 4. e4 d6 5. Ne2 0-0 6. 0-0 e5 7. d5 a5 8. a4 Na6 9. Nbc3 Nc5 10. Be3 b6 11. f3 Ne8 12. Qd2 f5 13. f4 fxe4 1/2-1/2

