[Event "Nordic-ch"]
[Site "Grenaa"]
[Date "1973.07.31"]
[Round "8"]
[White "Lahti, Aki"]
[Black "Jacobsen, Bo"]
[Result "0-1"]
[ECO "C29"]
[PlyCount "46"]
[EventDate "1973.07.23"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "DEN"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. f4 d5 4. fxe5 Nxe4 5. d3 Nxc3 6. bxc3 d4 7. Nf3 c5 8. Be2 Be7 9. 0-0 0-0 10. Qe1 f6 11. cxd4 cxd4 12. Qh4 Nc6 13. exf6 Rxf6 14. Bf4 Rf5 15. Qg3 Be6 16. Ne5 Nxe5 17. Bxe5 Rg5 18. Bc7 Qd7 19. Qf4 Rf8 20. Qe4 Bd5 21. Rxf8+ Bxf8 22. Qf4 Rxg2+ 23. Kf1 Qh3 0-1

[Event "Olympiad-19 Final B"]
[Site "Siegen"]
[Date "1970.09.21"]
[Round "7"]
[White "Lahti, Aki"]
[Black "Jigjidsuren, Purev"]
[Result "0-1"]
[ECO "D31"]
[PlyCount "72"]
[EventDate "1970.09.05"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]
[WhiteTeam "Finland"]
[BlackTeam "Mongolia"]
[WhiteTeamCountry "FIN"]
[BlackTeamCountry "MGL"]

1. d4 d5 2. c4 e6 3. Nc3 Be7 4. e4 dxe4 5. Nxe4 Nf6 6. Nc3 c5 7. Nf3 Nc6 8. d5 exd5 9. cxd5 Nb4 10. Bb5+ Kf8 11. Bc4 Bg4 12. a3 Bxf3 13. gxf3 Na6 14. Be3 Nc7 15. a4 b6 16. Qd2 a6 17. Rd1 Bd6 18. Kf1 Qd7 19. h3 Qf5 20. Qe2 h6 21. Bd3 Qd7 22. Qc2 g6 23. Be2 Kg7 24. Ne4 Qe7 25. a5 Nxe4 26. fxe4 bxa5 27. Bd2 Rhe8 28. Bc3+ Kh7 29. Rg1 Nb5 30. Bf3 Qh4 31. Bg2 Rab8 32. Ra1 Nxc3 33. bxc3 Rb5 34. c4 Rb4 35. Rxa5 Reb8 36. Ra2 Rb1+ 0-1

[Event "Olympiad-19 Final B"]
[Site "Siegen"]
[Date "1970.09.16"]
[Round "3"]
[White "Lahti, Aki"]
[Black "Bleiman, Yaacov"]
[Result "0-1"]
[ECO "B33"]
[PlyCount "76"]
[EventDate "1970.09.05"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]
[WhiteTeam "Finland"]
[BlackTeam "Israel"]
[WhiteTeamCountry "FIN"]
[BlackTeamCountry "ISR"]

1. e4 c5 2. d4 cxd4 3. Nf3 Nc6 4. Nxd4 e5 5. Nf3 Nf6 6. Nc3 Bb4 7. Bg5 h6 8. Bxf6 Qxf6 9. Qd3 0-0 10. 0-0-0 Bxc3 11. Qxc3 d6 12. Bb5 Bg4 13. Bxc6 Rfc8 14. Rd3 Rxc6 15. Qd2 Rac8 16. c3 Qe6 17. Rd5 Ra6 18. b3 f5 19. h3 fxe4 20. Nxe5 dxe5 21. hxg4 Rxa2 22. Qxa2 Qxd5 23. Qc2 Qc5 24. Rh3 Rf8 25. Re3 Rf4 26. g3 Rxg4 27. b4 Qc4 28. Kb2 h5 29. Qd1 Qf7 30. Re2 Rg6 31. Qc2 Ra6 32. Kb1 Qc4 33. Re1 Ra3 34. Rc1 Rb3+ 35. Ka1 Qa6+ 36. Qa2 Qc4 37. Qxa7 Kh7 38. Rc2 Qf1+ 0-1

[Event "Olympiad-19 Preliminaries C"]
[Site "Siegen"]
[Date "1970.09.12"]
[Round "8"]
[White "Lahti, Aki"]
[Black "Nutku, Ulug"]
[Result "1/2-1/2"]
[ECO "B75"]
[PlyCount "145"]
[EventDate "1970.09.05"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]
[WhiteTeam "Finland"]
[BlackTeam "Turkey"]
[WhiteTeamCountry "FIN"]
[BlackTeamCountry "TUR"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Be3 g6 7. f3 Bg7 8. Qd2 Bd7 9. Bc4 Qa5 10. Bb3 Rc8 11. 0-0 0-0 12. Rad1 a6 13. Qf2 Qh5 14. Nde2 g5 15. Nd5 h6 16. Ng3 Qg6 17. c3 Nxd5 18. Bxd5 e5 19. Ne2 Kh8 20. g4 Ne7 21. Bxb7 Rb8 22. Bxa6 Rxb2 23. Bc4 Ba4 24. Rb1 Rfb8 25. Bb3 Rxb1 26. Rxb1 d5 27. Nc1 dxe4 28. Bxf7 Qd6 29. Rxb8+ Qxb8 30. fxe4 Bc6 31. Bc5 Qb1 32. Qe3 Ng8 33. Bg6 Nf6 34. Ba3 Bxe4 35. Bxe4 Nxe4 36. c4 Nf6 37. h3 e4 38. Qb3 Qa1 39. Qb2 Nd7 40. Qxa1 Bxa1 41. Nb3 Bc3 42. Kf2 Nb6 43. Bc5 Nxc4 44. Bd4+ Bxd4+ 45. Nxd4 Kg7 46. Nf5+ Kf6 47. Nxh6 Ke5 48. Kg3 Kd4 49. Nf7 e3 50. Nxg5 Ne5 51. Ne6+ Kc3 52. Nf4 Kd2 53. a4 Nd3 54. Ng2 e2 55. a5 Nb4 56. g5 Nd5 57. a6 Ne3 58. a7 Nxg2 59. Kxg2 e1Q 60. a8Q Qe2+ 61. Kg3 Qe5+ 62. Kg4 Qe6+ 63. Kf4 Qe3+ 64. Kg4 Qe6+ 65. Kh4 Qe1+ 66. Kh5 Qe2+ 67. Kh6 Qe6+ 68. Kg7 Qe7+ 69. Kh6 Qe6+ 70. g6 Qxh3+ 71. Kg7 Qc3+ 72. Kf7 Qc7+ 73. Ke6 1/2-1/2

[Event "Olympiad-19 Preliminaries C"]
[Site "Siegen"]
[Date "1970.09.09"]
[Round "5"]
[White "Pinto Paiva, Jose E"]
[Black "Lahti, Aki"]
[Result "1-0"]
[ECO "B01"]
[PlyCount "73"]
[EventDate "1970.09.05"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]
[WhiteTeam "Brazil"]
[BlackTeam "Finland"]
[WhiteTeamCountry "BRA"]
[BlackTeamCountry "FIN"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Nf3 g6 6. Bd2 c6 7. Ne5 Qd8 8. Bc4 Be6 9. Bxe6 fxe6 10. Nf3 Na6 11. Qe2 Nc7 12. 0-0-0 Qd6 13. Rhe1 h6 14. g3 g5 15. h4 g4 16. Ne5 Rg8 17. a3 h5 18. Na4 Nb5 19. Bb4 Qc7 20. Nc5 Qc8 21. c4 Nd6 22. Qc2 b6 23. Ncd3 Bh6+ 24. Bd2 Bxd2+ 25. Rxd2 Nf5 26. Nf4 a5 27. Neg6 Ng7 28. Rde2 Kf7 29. Ne5+ Kf8 30. Qg6 Qe8 31. Qh6 Qc8 32. Nxe6+ Qxe6 33. Ng6+ Kf7 34. Rxe6 Nxe6 35. Ne5+ Ke8 36. Nxc6 Kd7 37. d5 1-0

[Event "Olympiad-19 Preliminaries C"]
[Site "Siegen"]
[Date "1970.09.06"]
[Round "2"]
[White "Lahti, Aki"]
[Black "Hennings, Artur"]
[Result "0-1"]
[ECO "D10"]
[PlyCount "70"]
[EventDate "1970.09.05"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]
[WhiteTeam "Finland"]
[BlackTeam "German Dem Rep"]
[WhiteTeamCountry "FIN"]
[BlackTeamCountry "DDR"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. cxd5 cxd5 5. Bg5 Nc6 6. Bxf6 gxf6 7. Nf3 e6 8. g3 Be7 9. Bg2 f5 10. 0-0 h5 11. h4 f4 12. e3 fxg3 13. fxg3 Bd7 14. e4 dxe4 15. Nxe4 Qb6 16. Kh2 0-0-0 17. Ne5 f5 18. Nc3 Nxe5 19. dxe5 Bc6 20. Qc2 Kb8 21. Bxc6 Qxc6 22. Rad1 a6 23. Qe2 Bb4 24. Rf3 Rxd1 25. Qxd1 Qc5 26. Qe2 Rd8 27. a3 Bxc3 28. Rxc3 Qd4 29. Rc4 Qd3 30. Rc2 Rd4 31. Kg2 Qb3 32. Kh2 f4 33. Rc3 Qd5 34. Rc2 Rd1 35. Qg2 Qxe5 0-1

[Event "Nordic-ch"]
[Site "Lidkoping"]
[Date "1969.??.??"]
[Round "9"]
[White "Andersson, Ulf"]
[Black "Lahti, Aki"]
[Result "1-0"]
[ECO "B89"]
[PlyCount "57"]
[EventDate "1969.??.??"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "SWE"]
[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 Nf6 5. Nc3 d6 6. Bc4 e6 7. Be3 a6 8. Qe2 Qa5 9. 0-0-0 Nxd4 10. Bxd4 b5 11. Bb3 Bb7 12. Bxf6 gxf6 13. Qh5 Bc8 14. Rhe1 Ra7 15. f4 Qb6 16. f5 b4 17. Na4 Qa5 18. e5 fxe5 19. fxe6 Bxe6 20. Bxe6 Qxa4 21. Rf1 Rc7 22. Bb3 Qc6 23. Rxf7 Kd8 24. Qxe5 Rxf7 25. Bxf7 Qd7 26. Qxh8 Qxf7 27. Rxd6+ Kc7 28. Qf6 Qe8 29. Re6 1-0

[Event "Nordic-ch"]
[Site "Lidkoping"]
[Date "1969.??.??"]
[Round "2"]
[White "Hamann, Svend"]
[Black "Lahti, Aki"]
[Result "1-0"]
[ECO "B88"]
[PlyCount "141"]
[EventDate "1969.??.??"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "SWE"]
[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 Nf6 5. Nc3 d6 6. Bc4 e6 7. Be3 a6 8. Bb3 Qa5 9. 0-0 Be7 10. f4 0-0 11. Qf3 Bd7 12. f5 Nxd4 13. Bxd4 e5 14. Bf2 Bc6 15. g4 h6 16. h4 Nd7 17. Nd5 Bxd5 18. Bxd5 Rab8 19. Rae1 Qd8 20. Qg3 b5 21. Re2 Nf6 22. Bb3 Kh8 23. c4 Qc7 24. cxb5 Rxb5 25. Qf3 d5 26. exd5 Rb4 27. Rc2 Rxg4+ 28. Qxg4 Qxc2 29. Qxg7+ Kxg7 30. Bxc2 Nxd5 31. Bd3 Nf4 32. Bxa6 Nh3+ 33. Kh2 Nxf2 34. Rxf2 Bxh4 35. Re2 Bg5 36. a4 Kf6 37. Bd3 Rd8 38. Be4 Rd4 39. b3 Rb4 40. Bc2 Bf4+ 41. Kh3 Ke7 42. Re1 Rd4 43. Be4 Bd2 44. Re2 Ba5 45. Kg3 Kd6 46. Kf3 Rd2 47. Re3 f6 48. Kg4 Kc5 49. Bf3 Rd4+ 50. Kh5 Bd2 51. Re2 Kb4 52. Kg6 Bg5 53. Be4 Rd6 54. Bb7 Rd7 55. Bc8 Rd4 56. Bb7 Rd7 57. Bc8 Rd3 58. Be6 Rd4 59. Ra2 Ka5 60. Rc2 e4 61. Rc8 e3 62. Bc4 Bh4 63. Re8 Bg5 64. Rb8 Rd2 65. Rb5+ Ka6 66. Re5+ Ka7 67. Re7+ Kb8 68. a5 h5 69. a6 h4 70. a7+ Ka8 71. Bb5 1-0

[Event "Nordic-ch"]
[Site "Lidkoping"]
[Date "1969.??.??"]
[Round "7"]
[White "Jakobsen, Ole"]
[Black "Lahti, Aki"]
[Result "1-0"]
[ECO "B89"]
[PlyCount "39"]
[EventDate "1969.??.??"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "SWE"]
[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 Nf6 5. Nc3 d6 6. Bc4 e6 7. Be3 a6 8. Qe2 Qa5 9. 0-0-0 Be7 10. Bb3 0-0 11. Rhg1 Bd7 12. g4 Rfc8 13. g5 Nxd4 14. Bxd4 Ne8 15. f4 b5 16. f5 b4 17. fxe6 Bxe6 18. Nd5 Bxd5 19. Bxd5 b3 20. axb3 1-0

[Event "Nordic-ch"]
[Site "Lidkoping"]
[Date "1969.??.??"]
[Round "3"]
[White "Lahti, Aki"]
[Black "De Lange, Daan"]
[Result "1/2-1/2"]
[ECO "B10"]
[PlyCount "115"]
[EventDate "1969.??.??"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "SWE"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c6 2. Nf3 d5 3. exd5 cxd5 4. Bb5+ Bd7 5. Qe2 Bxb5 6. Qxb5+ Qd7 7. Qxd7+ Nxd7 8. Nc3 e6 9. Nb5 Rc8 10. Nxa7 Rxc2 11. Nb5 Rc8 12. 0-0 Ngf6 13. d4 Be7 14. Bf4 Ne4 15. Nc7+ Kd8 16. Nb5 g5 17. Be3 f6 18. Rfc1 Rxc1+ 19. Rxc1 Nb8 20. Ne1 Nc6 21. Nd3 Nd6 22. Nxd6 Bxd6 23. g3 Kd7 24. Rc2 Ra8 25. b3 h6 26. Kg2 e5 27. dxe5 fxe5 28. f3 Nb4 29. Nxb4 Bxb4 30. Bd2 Bxd2 31. Rxd2 Ke6 32. g4 Rc8 33. Kf2 d4 34. Ke2 Kd5 35. Kd1 Rc3 36. Ke2 b5 37. Kf2 b4 38. Re2 Rc1 39. Rd2 Rh1 40. Kg2 Re1 41. Kf2 Ra1 42. Rc2 e4 43. fxe4+ Kxe4 44. h3 Kd3 45. Rc4 Rxa2+ 46. Kf3 Rh2 47. Kg3 Rb2 48. Rxb4 Ke3 49. Rb6 d3 50. Re6+ Kd4 51. Kf3 Rb1 52. Rd6+ Kc3 53. Rc6+ Kxb3 54. Ke3 Rg1 55. Rxh6 Kc4 56. Rc6+ Kd5 57. Rg6 Rg3+ 58. Kd2 1/2-1/2

[Event "Nordic-ch"]
[Site "Lidkoping"]
[Date "1969.??.??"]
[Round "8"]
[White "Lahti, Aki"]
[Black "Drimer, Dolfi"]
[Result "0-1"]
[ECO "B31"]
[PlyCount "76"]
[EventDate "1969.??.??"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "SWE"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Qe2 Bg7 5. c3 Nf6 6. 0-0 0-0 7. d4 cxd4 8. cxd4 d5 9. e5 Ne8 10. b3 Nc7 11. a4 Bg4 12. Bb2 Ne6 13. Bxc6 bxc6 14. h3 Bxf3 15. Qxf3 f6 16. Qg4 Qd7 17. f4 fxe5 18. dxe5 Rf5 19. h4 Raf8 20. g3 Nc5 21. Nd2 Nd3 22. e6 Qxe6 23. Bxg7 Qe3+ 24. Kh1 Kxg7 25. Qf3 Qxd2 26. Rad1 Ne5 27. Rxd2 Nxf3 28. Rxf3 e5 29. Rc3 exf4 30. Rxc6 fxg3 31. Rc7+ R8f7 32. Rxf7+ Kxf7 33. Rd3 Ke6 34. Kg2 Ke5 35. Re3+ Kf4 36. Re7 Kg4 37. Rxh7 Rf2+ 38. Kg1 Rb2 0-1

[Event "Nordic-ch"]
[Site "Lidkoping"]
[Date "1969.??.??"]
[Round "10"]
[White "Lahti, Aki"]
[Black "Gliksman, Darko"]
[Result "0-1"]
[ECO "B06"]
[PlyCount "114"]
[EventDate "1969.??.??"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "SWE"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 g6 2. Nf3 Bg7 3. Bc4 e6 4. Qe2 Ne7 5. d4 d5 6. Bd3 dxe4 7. Bxe4 0-0 8. 0-0 c5 9. dxc5 Nd7 10. Nc3 Nxc5 11. Bg5 Nxe4 12. Nxe4 f6 13. Rad1 Qc7 14. Bc1 e5 15. b3 Nf5 16. c3 Be6 17. Ba3 Rfd8 18. g4 Nh6 19. g5 fxg5 20. Nfxg5 Bd5 21. c4 Bf7 22. Bd6 Qc6 23. Rd3 Rd7 24. Rfd1 Nf5 25. Nxf7 Rxf7 26. Ng5 Nh4 27. Rd5 Rf5 28. Ne4 Rf4 29. R1d3 Re8 30. Bb4 Qe6 31. Rd8 Nf3+ 32. Kh1 Rxd8 33. Rxd8+ Kf7 34. Qxf3 Rxf3 35. Ng5+ Kf6 36. Nxe6 Kxe6 37. Kg2 Rf7 38. Rd6+ Kf5 39. Bd2 Bf8 40. Rd5 Ke6 41. Be3 a6 42. Rd1 Rc7 43. Rd2 Ba3 44. Re2 Kf5 45. f3 Rd7 46. Rd2 Rxd2+ 47. Bxd2 e4 48. Kf2 exf3 49. Kxf3 g5 50. h3 h5 51. b4 g4+ 52. hxg4+ hxg4+ 53. Ke3 a5 54. bxa5 Bc5+ 55. Kd3 g3 56. Be3 Bxe3 57. Kxe3 Kg4 0-1

[Event "Nordic-ch"]
[Site "Lidkoping"]
[Date "1969.??.??"]
[Round "1"]
[White "Lahti, Aki"]
[Black "Hoen, Ragnar Harald"]
[Result "1/2-1/2"]
[ECO "B10"]
[PlyCount "213"]
[EventDate "1969.??.??"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "SWE"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c6 2. Nf3 d5 3. exd5 cxd5 4. Bb5+ Bd7 5. Qe2 Bxb5 6. Qxb5+ Qd7 7. a4 a6 8. Qxd7+ Nxd7 9. d4 e6 10. Bf4 Rc8 11. c3 Ne7 12. h4 Nf5 13. Nbd2 Bd6 14. Bxd6 Nxd6 15. a5 f6 16. 0-0 Kf7 17. Rfd1 h6 18. g3 g5 19. hxg5 hxg5 20. Kg2 g4 21. Ne1 Rh3 22. Nd3 Rch8 23. Rh1 e5 24. Nb4 Ke6 25. Rxh3 gxh3+ 26. Kh2 e4 27. Nf1 f5 28. Re1 Nf6 29. Kg1 Ng4 30. Nh2 Nc4 31. Re2 Nxa5 32. Nd3 Kd6 33. Nf4 Nc6 34. Ng6 Rh7 35. Nh4 Nxh2 36. Kxh2 Ne7 37. Kxh3 Ng6 38. Re1 Ke6 39. Rh1 Nxh4 40. gxh4 Rg7 41. Rh2 f4 42. Rg2 Rxg2 43. Kxg2 a5 44. Kh3 Kf5 45. c4 dxc4 46. h5 e3 47. fxe3 fxe3 48. Kg2 Ke4 49. h6 Kd3 50. h7 e2 51. h8Q e1Q 52. Qh3+ Kc2 53. Qh7+ Kxb2 54. Qxb7+ Qb4 55. Qxb4+ axb4 56. d5 c3 57. d6 c2 58. d7 c1Q 59. d8Q Qc3 60. Qd6 b3 61. Kh1 Kb1 62. Qd5 b2 63. Qe4+ Qc2 64. Qd5 Qa4 65. Qf5+ Qc2 66. Qd5 Qh7+ 67. Kg2 Qg6+ 68. Kh1 Qa6 69. Qd1+ Ka2 70. Qd5+ Ka1 71. Qd4 Qc6+ 72. Kg1 Ka2 73. Qa7+ Kb3 74. Qe3+ Qc3 75. Qe6+ Qc4 76. Qb6+ Ka3 77. Qe3+ Kb4 78. Qb6+ Kc3 79. Qe3+ Qd3 80. Qc5+ Kd2 81. Qf2+ Kc1 82. Qf4+ Kb1 83. Qg4 Kc2 84. Qa4+ Kd2 85. Qb4+ Qc3 86. Qd6+ Kc1 87. Qf4+ Kd1 88. Qg4+ Kd2 89. Qg2+ Kc1 90. Qf1+ Kc2 91. Qe2+ Kb1 92. Qe4+ Ka2 93. Qa4+ Qa3 94. Qc4+ Ka1 95. Qd4 Qa2 96. Kg2 Qa6 97. Kg1 Qc6 98. Qa7+ Kb1 99. Qd4 Kc2 100. Qf2+ Kb3 101. Qe3+ Qc3 102. Qe6+ Qc4 103. Qb6+ Ka3 104. Qe3+ Kb4 105. Qb6+ Qb5 106. Qd4+ Ka3 107. Qe3+ 1/2-1/2

[Event "Nordic-ch"]
[Site "Lidkoping"]
[Date "1969.??.??"]
[Round "5"]
[White "Lahti, Aki"]
[Black "Martens, Rolf"]
[Result "0-1"]
[ECO "C00"]
[PlyCount "70"]
[EventDate "1969.??.??"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "SWE"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. Qe2 Nc6 4. g3 Nf6 5. Bg2 d5 6. exd5 Nxd5 7. 0-0 Be7 8. Nc3 0-0 9. d3 Nc7 10. Be3 e5 11. Rae1 Re8 12. Nd2 Nd4 13. Qd1 Nce6 14. Nd5 Bf8 15. Nc4 f6 16. f4 exf4 17. Bxf4 Bd7 18. c3 Bc6 19. Nce3 Nb5 20. Qb3 Kh8 21. Nf5 Qd7 22. Be4 Rad8 23. c4 Nxf4 24. Rxf4 Bxd5 25. cxd5 g6 26. Nh4 f5 27. Ref1 Nd4 28. Qd1 fxe4 29. dxe4 Bh6 30. Rf7 Re7 31. R7f6 Rxe4 32. Nxg6+ hxg6 33. Rxg6 Qh3 34. Rff6 Bg7 35. Rf7 Rde8 0-1

[Event "Nordic-ch"]
[Site "Lidkoping"]
[Date "1969.??.??"]
[Round "6"]
[White "Lahti, Aki"]
[Black "Thorbergsson, Freysteinn"]
[Result "0-1"]
[ECO "B06"]
[PlyCount "76"]
[EventDate "1969.??.??"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "SWE"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 g6 2. Nf3 Bg7 3. Bc4 e6 4. Qe2 Ne7 5. d4 d5 6. Bd3 c5 7. exd5 exd5 8. dxc5 Nd7 9. Nc3 0-0 10. 0-0 Nxc5 11. Bg5 Be6 12. Rad1 Nxd3 13. Rxd3 Re8 14. Re1 Qa5 15. b4 Qxb4 16. Rb1 Qa5 17. Nb5 Nf5 18. Qd1 a6 19. Bd2 Qb6 20. Nbd4 Qc7 21. g3 Nxd4 22. Nxd4 Rac8 23. Bf4 Qd7 24. Rdb3 b5 25. a4 Bg4 26. Qd2 Rc4 27. c3 Rxa4 28. f3 Bf5 29. Rd1 Qc8 30. Bd6 Be6 31. Bb4 Qc4 32. Rb2 Bc8 33. Re1 Be6 34. Nxe6 fxe6 35. Qg5 a5 36. Rbe2 axb4 37. Rxe6 Rxe6 38. Qd8+ Bf8 0-1

[Event "Nordic-ch"]
[Site "Lidkoping"]
[Date "1969.??.??"]
[Round "12"]
[White "Lahti, Aki"]
[Black "Westerinen, Heikki MJ"]
[Result "0-1"]
[ECO "B03"]
[PlyCount "60"]
[EventDate "1969.??.??"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "SWE"]
[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. d4 d6 5. exd6 exd6 6. Nc3 Be7 7. Bd3 0-0 8. Nge2 Nc6 9. Be3 Nb4 10. Bb1 Nxc4 11. Bc1 d5 12. Nf4 c6 13. 0-0 g6 14. a3 Na6 15. Re1 Re8 16. b3 Nd6 17. Ra2 Bf5 18. Bxf5 Nxf5 19. Rae2 Qd7 20. g4 Nd6 21. Re3 Bf6 22. Qf3 Bxd4 23. Ncxd5 cxd5 24. Nxd5 Rxe3 25. Bxe3 Re8 26. Rd1 Bg7 27. Bf4 Qe6 28. g5 Nf5 29. Qh3 Nd4 30. Qg2 Rd8 0-1

[Event "Nordic-ch"]
[Site "Lidkoping"]
[Date "1969.??.??"]
[Round "4"]
[White "Olsson, Ake"]
[Black "Lahti, Aki"]
[Result "1-0"]
[ECO "B66"]
[PlyCount "65"]
[EventDate "1969.??.??"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "SWE"]
[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 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 a6 8. Rd1 Qa5 9. Nb3 Qc7 10. Be2 b5 11. a3 Be7 12. f4 Bb7 13. 0-0 Rd8 14. Qe3 h6 15. Qh3 b4 16. axb4 Nxb4 17. Nd4 Nxe4 18. Bxe7 Qxe7 19. f5 e5 20. Ne6 fxe6 21. Nxe4 0-0 22. Ng3 Nxc2 23. fxe6 Nd4 24. Bg4 Bc8 25. Rf7 Qg5 26. Rdf1 Rfe8 27. Ne4 Qg6 28. Nf6+ gxf6 29. R7xf6 Qg7 30. Qh5 Bxe6 31. Rg6 Bxg4 32. Rxg7+ Kxg7 33. Rf7+ 1-0

[Event "Nordic-ch"]
[Site "Lidkoping"]
[Date "1969.??.??"]
[Round "11"]
[White "Saemisch, Friedrich"]
[Black "Lahti, Aki"]
[Result "0-1"]
[ECO "A48"]
[PlyCount "56"]
[EventDate "1969.??.??"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "SWE"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bg5 Bg7 4. Nbd2 0-0 5. e4 d6 6. h3 c5 7. dxc5 dxc5 8. Bc4 b5 9. Bxf6 bxc4 10. Bxg7 Kxg7 11. Nxc4 Ba6 12. Qd2 Nc6 13. 0-0-0 Qc7 14. Ne3 e5 15. Ng4 f6 16. Qd7+ Qxd7 17. Rxd7+ Rf7 18. Rxf7+ Kxf7 19. Nd2 Nd4 20. Ne3 Rb8 21. Nec4 Ne2+ 22. Kd1 Bxc4 23. Nxc4 Nc3+ 24. Ke1 Nxe4 25. Ke2 Rb4 26. b3 Ke7 27. Ke3 Ng5 28. Rd1 Ne6 0-1

[Event "Nordic-ch"]
[Site "Lidkoping"]
[Date "1969.??.??"]
[Round "12"]
[White "Sigurjonsson, Bjorn"]
[Black "Lahti, Aki"]
[Result "1-0"]
[ECO "A49"]
[PlyCount "113"]
[EventDate "1969.??.??"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "SWE"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. b3 Bg7 4. Bb2 0-0 5. Bg2 d6 6. d4 c5 7. 0-0 Na6 8. c4 Rb8 9. Nc3 Nc7 10. h3 a6 11. Qc2 Nd7 12. Rfd1 b5 13. dxc5 bxc4 14. cxd6 cxb3 15. axb3 exd6 16. Rxd6 Ne8 17. Rdd1 Qc7 18. Rac1 Nef6 19. Ba3 Qa5 20. Bxf8 Nxf8 21. Ne5 Bd7 22. Nc6 Bxc6 23. Bxc6 Qa3 24. Nd5 Rxb3 25. Ra1 Rxg3+ 26. Kf1 Qb3 27. Qxb3 Rxb3 28. Ne7+ Kh8 29. Rxa6 Rxh3 30. Rd8 Rh5 31. f4 h6 32. Raa8 N6h7 33. Bd5 Rxd5 34. Nxd5 h5 35. Rdb8 Bh6 36. Rb7 Kg8 37. Raa7 g5 38. Ne7+ Kg7 39. Nf5+ Kg6 40. Rxf7 gxf4 41. Nxh6 Kxh6 42. Kf2 Kg6 43. Ke1 Kh6 44. Kd2 Kg6 45. Kd3 h4 46. Rxf4 h3 47. Rff7 h2 48. Rf1 Nf6 49. Ke3 Kg5 50. Kf3 Ne6 51. Kg3 Nd4 52. Ra5+ Kg6 53. Kxh2 Ng4+ 54. Kh3 Ne3 55. Rf4 Nxe2 56. Re4 Ng1+ 57. Kg3 1-0

[Event "Olympiad-17 Final B"]
[Site "Havana"]
[Date "1966.11.14"]
[Round "10"]
[White "Lahti, Aki"]
[Black "Chiaramonti, Jacques"]
[Result "0-1"]
[ECO "C14"]
[PlyCount "130"]
[EventDate "1966.11.04"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Finland"]
[BlackTeam "France"]
[WhiteTeamCountry "FIN"]
[BlackTeamCountry "FRA"]

1. d4 Nf6 2. Nf3 e6 3. Bg5 Be7 4. Nc3 d5 5. Bxf6 Bxf6 6. e4 0-0 7. Bd3 c5 8. e5 Be7 9. h4 f6 10. Ng5 h6 11. Nh7 cxd4 12. exf6 Bxf6 13. Nb5 Rf7 14. Qh5 Nc6 15. Ng5 Bxg5 16. hxg5 Qxg5 17. Qxg5 hxg5 18. f3 Rf6 19. 0-0-0 Bd7 20. Rh5 Nb4 21. Nxd4 Nxa2+ 22. Kd2 Nb4 23. Rdh1 Rh6 24. Rxh6 gxh6 25. Rxh6 Nxd3 26. Kxd3 Kg7 27. Rh1 e5 28. Nb3 Rc8 29. c3 b6 30. Re1 Bf5+ 31. Kd2 Kf6 32. Nc1 Rh8 33. Ke3 Rh2 34. Kf2 Rh4 35. Rd1 Be6 36. Nd3 a5 37. Ra1 Bf5 38. Ne1 Bd7 39. Nc2 Ke6 40. Ne3 Kd6 41. Rd1 Be6 42. Nc2 Ra4 43. Na3 Bd7 44. Ra1 Rh4 45. Nc2 Ra4 46. Na3 Rh4 47. Nc2 Rh7 48. Ne3 Be6 49. Rd1 Kc5 50. b4+ axb4 51. cxb4+ Kxb4 52. Nxd5+ Bxd5 53. Rxd5 Re7 54. Ke3 Kc4 55. Rd6 b5 56. Kd2 e4 57. fxe4 Rxe4 58. Rc6+ Kd4 59. Rc2 Rf4 60. Kc1 g4 61. Rd2+ Ke3 62. Rd5 b4 63. g3 Rc4+ 64. Kb2 Kf2 65. Kb3 Re4 0-1

[Event "Olympiad-17 Final B"]
[Site "Havana"]
[Date "1966.11.13"]
[Round "9"]
[White "Balcerowski, Witold"]
[Black "Lahti, Aki"]
[Result "1-0"]
[ECO "A55"]
[PlyCount "113"]
[EventDate "1966.11.04"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Poland"]
[BlackTeam "Finland"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "FIN"]

1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. d5 Be7 5. e4 0-0 6. Be2 Nbd7 7. Nf3 Nc5 8. Nd2 a5 9. 0-0 Ne8 10. b3 f5 11. exf5 Bxf5 12. Nf3 Nf6 13. Be3 Nfd7 14. a3 Bf6 15. Rc1 a4 16. bxa4 b6 17. Nd2 Bg5 18. Bg4 Bxe3 19. fxe3 Bd3 20. Rxf8+ Nxf8 21. Qf3 Qe7 22. Bf5 Bxf5 23. Qxf5 Ng6 24. Nde4 Rf8 25. Qg4 Qf7 26. h3 Nd3 27. Rb1 Nf2 28. Qe6 Qxe6 29. dxe6 Nxe4 30. Nxe4 Ra8 31. Nc3 Nf8 32. e7 Ne6 33. a5 Kf7 34. axb6 Kxe7 35. b7 Rb8 36. a4 Nc5 37. a5 Kd7 38. Rb5 Na6 39. Kf1 Rf8+ 40. Ke2 Nb8 41. c5 d5 42. Nxd5 Kc6 43. Nc3 Na6 44. Rb1 Kxc5 45. e4 Rb8 46. Ke3 Kc6 47. Nd5 Re8 48. Rb2 h6 49. Kd2 Rf8 50. Kc3 Re8 51. Kc4 Nb8 52. Rb5 Kd7 53. Nb4 c6 54. a6 cxb5+ 55. Kxb5 Nc6 56. Nxc6 Kc7 57. b8Q+ 1-0

[Event "Olympiad-17 Final B"]
[Site "Havana"]
[Date "1966.11.10"]
[Round "6"]
[White "Sanchez, Luis Augusto"]
[Black "Lahti, Aki"]
[Result "1-0"]
[ECO "B24"]
[PlyCount "73"]
[EventDate "1966.11.04"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Columbia"]
[BlackTeam "Finland"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "FIN"]

1. e4 c5 2. Nc3 Nc6 3. g3 Rb8 4. Bg2 b5 5. Nge2 e6 6. 0-0 Be7 7. d4 b4 8. Na4 cxd4 9. Nxd4 Nxd4 10. Qxd4 Qa5 11. Bf4 Rb5 12. c4 e5 13. Qd1 Rb8 14. Be3 Nf6 15. b3 Bb7 16. Re1 Bc6 17. Nb2 Bxe4 18. Bxe4 Nxe4 19. Qg4 Nf6 20. Qxg7 Rg8 21. Qh6 Rg6 22. Qh3 d6 23. Nd3 Qa6 24. Bd2 Qb7 25. Qf5 a5 26. a3 Qd7 27. Qxd7+ Nxd7 28. axb4 axb4 29. Nxb4 Nc5 30. Nd5 Rxb3 31. Bb4 Ne6 32. Ra7 Bf8 33. Ra8+ Kd7 34. Rea1 Nf4 35. Rxf8 Nxd5 36. cxd5 Ke7 37. Rb8 1-0

[Event "Olympiad-17 Final B"]
[Site "Havana"]
[Date "1966.11.08"]
[Round "5"]
[White "Lahti, Aki"]
[Black "Janetschek, Karl"]
[Result "1/2-1/2"]
[ECO "E45"]
[PlyCount "94"]
[EventDate "1966.11.04"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Finland"]
[BlackTeam "Austria"]
[WhiteTeamCountry "FIN"]
[BlackTeamCountry "AUT"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Nge2 Ba6 6. a3 Be7 7. Ng3 d5 8. Qa4+ c6 9. cxd5 Bxf1 10. Nxf1 exd5 11. Ng3 0-0 12. 0-0 Re8 13. Bd2 Bd6 14. Nce2 Ne4 15. Nxe4 Rxe4 16. f3 Re6 17. f4 f5 18. Qc2 Qf8 19. Rf3 a5 20. a4 Ra7 21. Nc1 Rc7 22. Nd3 c5 23. Qd1 cxd4 24. exd4 Re4 25. Bc3 Nc6 26. Qb3 Nxd4 27. Qxd5+ Ne6 28. Be5 Bc5+ 29. Kf1 Re7 30. Nxc5 bxc5 31. Re1 Rxe1+ 32. Kxe1 Qf7 33. Rg3 h6 34. Re3 Nd4 35. Qxc5 Nb3 36. Rxb3 Rxe5+ 37. fxe5 Qxb3 38. Qc8+ Kf7 39. Qd7+ Kg6 40. Qd6+ Kf7 41. Qd7+ Kg6 42. Qd4 Qc2 43. Qd6+ Kf7 44. e6+ Kf6 45. Qf8+ Kxe6 46. Qxg7 Qe4+ 47. Kd2 Qf4+ 1/2-1/2

[Event "Olympiad-17 Final B"]
[Site "Havana"]
[Date "1966.11.07"]
[Round "4"]
[White "Smiltiner, Shlomo"]
[Black "Lahti, Aki"]
[Result "0-1"]
[ECO "D41"]
[PlyCount "88"]
[EventDate "1966.11.04"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Israel"]
[BlackTeam "Finland"]
[WhiteTeamCountry "ISR"]
[BlackTeamCountry "FIN"]

1. Nf3 d5 2. c4 e6 3. g3 Nf6 4. Bg2 c5 5. cxd5 Nxd5 6. 0-0 Nc6 7. d4 Be7 8. Nc3 Nxc3 9. bxc3 0-0 10. e4 cxd4 11. cxd4 Qa5 12. Be3 Rd8 13. Qb3 Qb4 14. Qc2 Qa3 15. Rfd1 Bd7 16. Bc1 Qa5 17. a3 Rac8 18. Qb2 Qa4 19. Be3 Na5 20. Ne1 b6 21. Bf1 Nc4 22. Bxc4 Rxc4 23. Rd3 Rdc8 24. Rc1 Rxc1 25. Bxc1 Qc6 26. Bd2 Qxe4 27. d5 Bc5 28. dxe6 Bxe6 29. Rf3 Qe2 30. Bc3 Bc4 31. Qxe2 Bxe2 32. Rf4 Bxa3 33. Re4 Bb5 34. Re3 Bc1 35. Re5 Rxc3 36. Rxb5 Ba3 37. Kf1 Bc5 38. Ke2 Kf8 39. Nd3 Ke8 40. Kd2 Rc4 41. Ne5 Rb4 42. Rxb4 Bxb4+ 43. Kd3 Bc5 44. f3 a5 0-1

[Event "Olympiad-17 Final B"]
[Site "Havana"]
[Date "1966.11.05"]
[Round "2"]
[White "Divinsky, Nathan Joseph"]
[Black "Lahti, Aki"]
[Result "1/2-1/2"]
[ECO "B92"]
[PlyCount "138"]
[EventDate "1966.11.04"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Canada"]
[BlackTeam "Finland"]
[WhiteTeamCountry "CAN"]
[BlackTeamCountry "FIN"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 g6 7. Be3 Bg7 8. 0-0 Qc7 9. Nd5 Nxd5 10. exd5 0-0 11. c4 e5 12. dxe6 fxe6 13. Qd2 Nc6 14. Rfd1 Ne5 15. Rac1 Nf7 16. Nf3 Re8 17. Ng5 Nxg5 18. Bxg5 Bf8 19. Bf3 Rb8 20. Bf4 e5 21. Bd5+ Be6 22. Bg5 Qf7 23. Rc3 Bxd5 24. Qxd5 Qxd5 25. Rxd5 Rbc8 26. a4 Rc6 27. b3 Rb8 28. Rcd3 Re8 29. Be3 Re6 30. Kf1 Kf7 31. Ke2 Re8 32. Rd1 Re6 33. Kf3 Be7 34. Ke4 g5 35. R1d3 Rh6 36. h3 Ke6 37. Bd2 Rh4+ 38. g4 h5 39. Rg3 hxg4 40. hxg4 Rc8 41. Be3 Rch8 42. c5 Rh3 43. Rg1 Rh1 44. Rxh1 Rxh1 45. cxd6 Bxd6 46. Rd3 Rg1 47. f3 Re1 48. Rc3 Bb4 49. Rc1 Rxc1 50. Bxc1 Be7 51. Be3 Bd8 52. Bc5 b6 53. Bb4 b5 54. Bd2 Be7 55. Be3 Bd8 56. Bc5 Bc7 57. Be3 Bd8 58. Bc1 Be7 59. Bd2 Bd8 60. Bc3 Bc7 61. Bb4 Bb6 62. Bf8 Bc7 63. Bg7 Bd6 64. Bh8 Bc7 65. Ke3 Bd8 66. Ke4 Bc7 67. Bg7 Bd6 68. Bh8 Bc7 69. Kd3 Bd8 1/2-1/2

[Event "Olympiad-17 Preliminaries G"]
[Site "Havana"]
[Date "1966.10.30"]
[Round "5"]
[White "Benabud, Dris"]
[Black "Lahti, Aki"]
[Result "1/2-1/2"]
[ECO "D13"]
[PlyCount "106"]
[EventDate "1966.10.26"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Morocco"]
[BlackTeam "Finland"]
[WhiteTeamCountry "MAR"]
[BlackTeamCountry "FIN"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. cxd5 cxd5 5. Nc3 e6 6. Bg5 Be7 7. e3 0-0 8. Bd3 Nc6 9. Rc1 a6 10. 0-0 h6 11. Bh4 Ne8 12. Bxe7 Qxe7 13. Nd2 Nf6 14. f4 Bd7 15. Bb1 g6 16. Nf3 Rac8 17. Ne5 Nxe5 18. fxe5 Nh5 19. Qg4 Ng7 20. Rf6 Nh5 21. Rf2 b5 22. Rcf1 b4 23. Ne2 Bb5 24. Re1 Rc7 25. Nc1 Bc4 26. Nd3 Bxd3 27. Bxd3 Rfc8 28. Ref1 Rc1 29. Bxa6 Rxf1+ 30. Bxf1 Rc1 31. Qf3 Ng7 32. g4 Ne8 33. Kg2 Qc7 34. Bd3 Kg7 35. Bb5 Qe7 36. Bxe8 Qxe8 37. Qf6+ Kg8 38. h4 Qf8 39. Qf4 Rc7 40. Qf6 Ra7 41. b3 Rc7 42. Kf3 Rc3 43. Qf4 Kg7 44. h5 g5 45. Qf6+ Kg8 46. Rd2 Rc1 47. Kf2 Rc3 48. Ke2 Rc1 49. Qf2 Qc8 50. Kf3 Rc3 51. Kg2 Qa6 52. Qf3 Qc8 53. Rf2 Qf8 1/2-1/2

[Event "Olympiad-17 Preliminaries G"]
[Site "Havana"]
[Date "1966.10.27"]
[Round "2"]
[White "Lahti, Aki"]
[Black "Kaplan, Julio P"]
[Result "0-1"]
[ECO "A49"]
[PlyCount "60"]
[EventDate "1966.10.26"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Finland"]
[BlackTeam "Puerto Rico"]
[WhiteTeamCountry "FIN"]
[BlackTeamCountry "PUR"]

1. d4 Nf6 2. Nf3 b6 3. g3 Bb7 4. Bg2 c5 5. c3 g6 6. 0-0 Bg7 7. Qb3 cxd4 8. Ne5 d5 9. cxd4 0-0 10. Nc3 Nc6 11. Rd1 e6 12. Bg5 h6 13. Bf4 Na5 14. Qa4 Rc8 15. b4 Nh5 16. Nxd5 Bxd5 17. Bxd5 exd5 18. bxa5 Nxf4 19. gxf4 Qh4 20. Nf3 Qxf4 21. axb6 axb6 22. Qb3 Rfe8 23. Kf1 Rc4 24. Rab1 Qg4 25. Ng1 Bxd4 26. Qf3 Qe4 27. e3 Bc5 28. Rb3 Ra8 29. Rxd5 Rc1+ 30. Ke2 Rxa2+ 0-1

[Event "WchT Students 03th final B"]
[Site "Uppsala"]
[Date "1956.04.11"]
[Round "4.2"]
[White "Pietzsch, Wolfgang"]
[Black "Lahti, Aki"]
[Result "1-0"]
[ECO "C90"]
[PlyCount "61"]
[EventDate "1956.04.08"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "SWE"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]
[WhiteTeam "German Dem Rep"]
[BlackTeam "Finland"]
[WhiteTeamCountry "DDR"]
[BlackTeamCountry "FIN"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 b5 6. Bb3 d6 7. c3 Be7 8. 0-0 Na5 9. Bc2 c5 10. Nbd2 Qc7 11. Re1 0-0 12. Nf1 Nc6 13. Qe2 b4 14. Bg5 a5 15. Rac1 Nd7 16. Bd2 Nb6 17. Ng3 Be6 18. Bb1 f6 19. d4 bxc3 20. bxc3 Bc4 21. Qd1 a4 22. d5 Na7 23. Nh4 Rfb8 24. Qg4 Qd7 25. Ngf5 Bf8 26. Re3 Rb7 27. Rg3 Kh8 28. Qh5 Nb5 29. Ng6+ Kg8 30. Nh6+ gxh6 31. Ne7+ 1-0

[Event "WchT Students 02nd"]
[Site "Lyon"]
[Date "1955.05.12"]
[Round "9"]
[White "Lahti, Aki"]
[Black "Taimanov, Mark E"]
[Result "0-1"]
[ECO "E90"]
[PlyCount "66"]
[EventDate "1955.05.06"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "FRA"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]
[WhiteTeam "Finland"]
[BlackTeam "Soviet Union"]
[WhiteTeamCountry "FIN"]
[BlackTeamCountry "URS"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. Nc3 0-0 5. e4 d6 6. h3 c6 7. Bg5 a6 8. a4 a5 9. Be2 Na6 10. 0-0 Qc7 11. Rc1 Re8 12. Re1 e5 13. d5 Nd7 14. g4 Ndc5 15. Nh4 f6 16. Be3 Qe7 17. Nf5 gxf5 18. gxf5 Kh8 19. Kh2 Rg8 20. Rg1 Qf8 21. Bh5 Bh6 22. Qf3 Bxe3 23. Qxe3 Rxg1 24. Rxg1 Bd7 25. Ne2 cxd5 26. cxd5 Qe7 27. Rg4 Rg8 28. Rh4 Be8 29. Ng3 Bxh5 30. Nxh5 Nd7 31. f4 Nac5 32. fxe5 Qxe5+ 33. Nf4 Nxe4 0-1

