[Event "FIN-chT"]
[Site "Finland"]
[Date "1990.??.??"]
[Round "?"]
[White "Havansi, Erkki ET"]
[Black "Koskinen, Heikki Kaarlo"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "2275"]
[PlyCount "34"]
[EventDate "1990.??.??"]
[EventType "team"]
[EventRounds "11"]
[EventCountry "FIN"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. f3 e6 4. Nc3 Bb4 5. Qd3 b6 6. Bf4 Ba6 7. Qe3 Bxf1 8. Kxf1 Ne7 9. Nge2 0-0 10. a3 Bxc3 11. bxc3 Nd7 12. Kf2 b5 13. Rhe1 Nb6 14. Kg1 Ng6 15. Bg3 Nc4 16. Qd3 a5 17. a4 Nb2 1/2-1/2

[Event "FIN-chT"]
[Site "Finland"]
[Date "1990.??.??"]
[Round "?"]
[White "Havansi, Erkki ET"]
[Black "Koskinen, Heikki Kaarlo"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "2275"]
[PlyCount "47"]
[EventDate "1990.??.??"]
[EventType "team"]
[EventRounds "11"]
[EventCountry "FIN"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. f3 e6 4. Nc3 Bb4 5. Qd3 b6 6. Nge2 Ba6 7. Qe3 Ne7 8. Bd2 Nd7 9. a3 Bd6 10. e5 Nf5 11. Qf2 Be7 12. g4 Bh4 13. Ng3 Bxf1 14. Rxf1 Nxg3 15. hxg3 Be7 16. Rh1 c5 17. Be3 cxd4 18. Bxd4 Nb8 19. f4 Nc6 20. g5 Qd7 21. Rh2 0-0-0 22. 0-0-0 h6 23. gxh6 Rxh6 24. Rxh6 1/2-1/2

[Event "FIN-chT"]
[Site "Finland"]
[Date "1990.??.??"]
[Round "?"]
[White "Kokkila, Tero"]
[Black "Koskinen, Heikki Kaarlo"]
[Result "1-0"]
[ECO "B12"]
[PlyCount "78"]
[EventDate "1990.??.??"]
[EventType "team"]
[EventRounds "11"]
[EventCountry "FIN"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nc3 h5 5. Be2 h4 6. Nf3 e6 7. Bg5 Be7 8. Qd2 Nd7 9. 0-0-0 Bg4 10. Rhg1 Bxf3 11. gxf3 Bxg5 12. Rxg5 g6 13. Rdg1 Qe7 14. R1g4 0-0-0 15. Qf4 Nh6 16. Rxh4 Nf5 17. Rxh8 Rxh8 18. Rg4 Rh5 19. Bd3 g5 20. Qd2 Nf8 21. f4 gxf4 22. Bxf5 exf5 23. Rg8 Kd7 24. Ne2 Rxh2 25. Qxf4 Rh1+ 26. Kd2 Rh5 27. c3 Ne6 28. Qf3 Rg5 29. Rh8 Kc7 30. Ng3 Ng7 31. Qf4 Rg4 32. Qh6 Rg6 33. Qf4 Rg4 34. Qh6 Rg6 35. Qh4 Qd7 36. Ne2 Ne6 37. Rh7 Ng5 38. Ke3 Nxh7 39. Qxh7 Qe7 1-0

[Event "FIN-chT"]
[Site "Finland"]
[Date "1990.??.??"]
[Round "?"]
[White "Koskinen, Heikki Kaarlo"]
[Black "Laasanen, Henry"]
[Result "1-0"]
[ECO "C00"]
[PlyCount "65"]
[EventDate "1990.??.??"]
[EventType "team"]
[EventRounds "11"]
[EventCountry "FIN"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 Nf6 4. Ngf3 Bc5 5. e5 Ng8 6. d4 Bf8 7. Bd3 Ne7 8. c3 Qd7 9. 0-0 b6 10. b4 Ba6 11. Nb3 Nf5 12. a4 Bxd3 13. Qxd3 Be7 14. a5 h5 15. Re1 g6 16. Bd2 Kf8 17. Ra2 Kg7 18. h3 Qc8 19. axb6 cxb6 20. Rea1 a6 21. Bf4 Ra7 22. Rc1 Rc7 23. Rac2 Qd7 24. Qd2 Qb5 25. Bg5 a5 26. g4 hxg4 27. hxg4 Nh6 28. Bf6+ Bxf6 29. exf6+ Kf8 30. Qf4 Na6 31. Qd6+ Ke8 32. Nc5 g5 33. bxa5 1-0

[Event "FIN-chT"]
[Site "Finland"]
[Date "1989.??.??"]
[Round "?"]
[White "Koskinen, Heikki Kaarlo"]
[Black "Eklund, Kari"]
[Result "1-0"]
[ECO "B51"]
[PlyCount "57"]
[EventDate "1989.??.??"]
[EventType "team"]
[EventRounds "10"]
[EventCountry "FIN"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. d4 cxd4 5. Qxd4 Ngf6 6. Bg5 e5 7. Qd3 a6 8. Bxd7+ Bxd7 9. Nc3 Be7 10. 0-0-0 0-0 11. Bxf6 gxf6 12. Nd5 Be6 13. Nh4 f5 14. Nxf5 Bxf5 15. exf5 Bg5+ 16. Kb1 Kh8 17. h4 Bh6 18. g4 Rg8 19. g5 Bg7 20. f6 Bf8 21. Rhe1 Rc8 22. f4 Qe8 23. Qf5 Qe6 24. Qe4 b5 25. b3 h6 26. f5 Qe8 27. Rg1 Rc5 28. g6 Qc6 29. g7+ 1-0

[Event "FIN-chT"]
[Site "Finland"]
[Date "1989.??.??"]
[Round "?"]
[White "Koskinen, Heikki Kaarlo"]
[Black "Manninen, Marko"]
[Result "1/2-1/2"]
[ECO "C00"]
[PlyCount "102"]
[EventDate "1989.??.??"]
[EventType "team"]
[EventRounds "10"]
[EventCountry "FIN"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 Nf6 4. Ngf3 Bc5 5. e5 Nfd7 6. d4 Bb6 7. Bd3 c5 8. c3 Nc6 9. dxc5 Bxc5 10. Nb3 Bb6 11. Qe2 Qc7 12. Bf4 Nc5 13. Nxc5 Bxc5 14. 0-0 f5 15. b4 Bb6 16. Rac1 Qf7 17. Be3 Bxe3 18. Qxe3 Bd7 19. Bb5 0-0 20. Bxc6 Bxc6 21. Nd4 f4 22. Qd3 Rac8 23. b5 Bd7 24. c4 Rc5 25. Qa3 Rfc8 26. cxd5 Rxd5 27. Rxc8+ Bxc8 28. Qxa7 Qd7 29. Nf3 Qxb5 30. Rc1 Bd7 31. h4 h6 32. Qb8+ Kh7 33. Qf8 Qa4 34. Qf7 Rd3 35. Rc7 Rd1+ 36. Kh2 Qb5 37. h5 Qb1 38. Kh3 Qf5+ 39. Qxf5+ exf5 40. Kh2 Bc6 41. Nh4 Re1 42. Ng6 Be8 43. Nxf4 Rxe5 44. Rxb7 Re4 45. Kg3 Ra4 46. Re7 Ra8 47. Ne6 Bxh5 48. Nxg7 Kg6 49. Nxh5 Kxh5 50. Rg7 Rxa2 51. f3 Ra4 1/2-1/2

[Event "FIN-chT"]
[Site "Finland"]
[Date "1989.??.??"]
[Round "?"]
[White "Koskinen, Heikki Kaarlo"]
[Black "Pulkkinen, Kari"]
[Result "1-0"]
[ECO "B44"]
[BlackElo "2255"]
[PlyCount "68"]
[EventDate "1989.??.??"]
[EventType "team"]
[EventRounds "10"]
[EventCountry "FIN"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Bd3 Nc6 6. Nxc6 bxc6 7. c4 Bb4+ 8. Bd2 Bxd2+ 9. Qxd2 d6 10. Nc3 0-0 11. 0-0 e5 12. Rfd1 Qe7 13. Rac1 Be6 14. b4 Rad8 15. Qe1 Nd7 16. b5 cxb5 17. cxb5 Nc5 18. Bb1 g6 19. Qe3 f5 20. exf5 gxf5 21. f4 e4 22. Rd2 Qf6 23. Nd5 Qg7 24. Qf2 Rb8 25. Nc3 Rfd8 26. Re2 Bc4 27. Re3 Qf6 28. Nxe4 fxe4 29. Rxc4 Rxb5 30. Bxe4 Rb2 31. Bc2 Rxa2 32. Bxh7+ Kxh7 33. Qxa2 Rb8 34. Rxc5 dxc5 1-0

[Event "FIN-chT"]
[Site "Finland"]
[Date "1989.??.??"]
[Round "?"]
[White "Nokso Koivisto, A."]
[Black "Koskinen, Heikki Kaarlo"]
[Result "1/2-1/2"]
[ECO "B13"]
[PlyCount "48"]
[EventDate "1989.??.??"]
[EventType "team"]
[EventRounds "10"]
[EventCountry "FIN"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. Nf3 Bg4 6. c3 Rc8 7. 0-0 e6 8. Bf4 Bd6 9. Bxd6 Qxd6 10. Nbd2 Nge7 11. Re1 h6 12. h3 Bf5 13. Bf1 Bh7 14. Qe2 0-0 15. g3 b6 16. Bg2 Na5 17. Ne5 Nec6 18. f4 Rfe8 19. Qh5 Nxe5 20. Rxe5 b5 21. Nb3 Nc4 22. Re2 b4 23. Nc5 bxc3 24. bxc3 Nb6 1/2-1/2

[Event "FIN-ch"]
[Site "Jarvenpaa"]
[Date "1980.??.??"]
[Round "15"]
[White "Pirttimaki, Timo"]
[Black "Koskinen, Heikki Kaarlo"]
[Result "1/2-1/2"]
[ECO "D85"]
[PlyCount "31"]
[EventDate "1980.??.??"]
[EventType "swiss"]
[EventRounds "15"]
[EventCountry "FIN"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 c5 8. Be3 0-0 9. Rc1 cxd4 10. cxd4 Bg4 11. Qd2 Nc6 12. d5 Bxf3 13. gxf3 Ne5 14. Be2 Qd7 15. f4 Ng4 16. Bd4 1/2-1/2

[Event "Helsinki-ch"]
[Site "Helsinki"]
[Date "1978.02.04"]
[Round "11"]
[White "Leskela, Paavo"]
[Black "Koskinen, Heikki Kaarlo"]
[Result "1/2-1/2"]
[ECO "A17"]
[PlyCount "21"]
[EventDate "1978.01.16"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "FIN"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 b6 3. Bg2 e6 4. c4 Be7 5. Nc3 Bb7 6. 0-0 Ne4 7. Nxe4 Bxe4 8. d3 Bb7 9. Bd2 Bf6 10. Qc2 0-0 11. Bc3 1/2-1/2

[Event "Helsinki-ch"]
[Site "Helsinki"]
[Date "1978.02.01"]
[Round "10"]
[White "Koskinen, Heikki Kaarlo"]
[Black "Hurme, Harri M"]
[Result "1/2-1/2"]
[ECO "B07"]
[BlackElo "2310"]
[PlyCount "115"]
[EventDate "1978.01.16"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "FIN"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 c6 5. f4 Bg7 6. e5 Nd5 7. Nxd5 cxd5 8. Qd2 Qb6 9. 0-0-0 h6 10. Bh4 Be6 11. Bd3 Nc6 12. c3 a5 13. Nf3 a4 14. exd6 exd6 15. Rhe1 Kd7 16. f5 gxf5 17. Qf4 a3 18. Re2 axb2+ 19. Rxb2 Qc7 20. Bxf5 Rhf8 21. Qg4 Bh8 22. Re2 Rfe8 23. Qh5 Nd8 24. Rd3 Ra3 25. Bxd8 Kxd8 26. Qh4+ Kd7 27. Qe1 b5 28. Bxe6+ fxe6 29. Rc2 Qc4 30. Rdd2 Rea8 31. Qe2 Rxc3 32. Rxc3 Qxc3+ 33. Kb1 Rb8 34. Rc2 Qb4+ 35. Ka1 Bxd4+ 36. Nxd4 Qxd4+ 37. Kb1 b4 38. Qh5 Qf6 39. Qh3 Qf1+ 40. Kb2 Qf6+ 41. Kb3 Qf1 42. Qg3 Qb1+ 43. Rb2 Qd1+ 44. Rc2 Qb1+ 45. Rb2 Qd1+ 46. Rc2 Re8 47. Qg7+ Re7 48. Qg6 d4 49. Kxb4 d3 50. Rc3 d2 51. Qd3 Rf7 52. Qb5+ Ke7 53. Qb7+ Kf8 54. Qa8+ Kg7 55. Rg3+ Kf6 56. Rf3+ Kg7 57. Rg3+ Kf6 58. Rf3+ 1/2-1/2

[Event "Helsinki-ch"]
[Site "Helsinki"]
[Date "1978.01.31"]
[Round "9"]
[White "Koskinen, Heikki Kaarlo"]
[Black "Book, Eero"]
[Result "0-1"]
[ECO "C67"]
[PlyCount "142"]
[EventDate "1978.01.16"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "FIN"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. 0-0 Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qxd8+ Kxd8 9. Nbd2 Ke8 10. c4 c5 11. b3 Ne7 12. Ne4 Nc6 13. Bb2 Bf5 14. Rfe1 Rd8 15. h3 Nb4 16. Re2 Nd3 17. Ng3 Bg6 18. Bc3 Nf4 19. Re3 Be7 20. Ne2 Ne6 21. g3 h5 22. h4 Kd7 23. Ne1 Bf5 24. Ng2 g5 25. hxg5 Bxg5 26. f4 Be7 27. Kf2 Kc6 28. Rh1 Nd4 29. Ng1 Bg4 30. Re1 Nf5 31. Ne3 Nxe3 32. Kxe3 Bf5 33. Ne2 Rd3+ 34. Kf2 Bg4 35. e6 f6 36. Rc1 Rf3+ 37. Ke1 Re3 38. Rh2 Rxe6 39. Rc2 Bd6 40. Kf2 Rhe8 41. Nc1 a6 42. a4 Re3 43. Bd2 R3e4 44. Rh1 b5 45. axb5+ axb5 46. cxb5+ Kxb5 47. Re1 Rxe1 48. Bxe1 Re4 49. Na2 Re8 50. Nc3+ Kb4 51. Ne4+ Kxb3 52. Rc3+ Kb2 53. Re3 Re6 54. Bc3+ Ka2 55. Bxf6 Bf5 56. Nc3+ Kb3 57. Rxe6 Bxe6 58. Ke3 Bf5 59. Kd2 c4 60. Be5 Bb4 61. Bd4 c6 62. Bf6 Bg4 63. Bd4 Ba5 64. Be5 Bb6 65. Ne4 Bf3 66. Nc3 Bg4 67. Ne4 Bf5 68. Nd6 Ba5+ 69. Kc1 Bg4 70. f5 c3 71. f6 Bb4 0-1

[Event "Helsinki-ch"]
[Site "Helsinki"]
[Date "1978.01.30"]
[Round "8"]
[White "Binham, Timothy F"]
[Black "Koskinen, Heikki Kaarlo"]
[Result "1/2-1/2"]
[ECO "B10"]
[WhiteElo "2340"]
[PlyCount "54"]
[EventDate "1978.01.16"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "FIN"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c6 2. d3 d5 3. Nd2 e5 4. Ngf3 Bd6 5. g3 Nf6 6. Bg2 0-0 7. 0-0 Re8 8. Re1 dxe4 9. dxe4 Nbd7 10. Nc4 Bc7 11. a4 a5 12. b3 Qe7 13. Ba3 Nc5 14. Qe2 b6 15. Nh4 g6 16. Rad1 Ba6 17. Bf1 b5 18. Qe3 b4 19. Bb2 Ncxe4 20. Bg2 Bxc4 21. bxc4 Nd6 22. Qxe5 Qxe5 23. Bxe5 Re6 24. Bh3 Rxe5 25. Rxe5 Nde4 26. Re7 Bd8 27. Re5 Bc7 1/2-1/2

[Event "Helsinki-ch"]
[Site "Helsinki"]
[Date "1978.01.26"]
[Round "7"]
[White "Koskinen, Heikki Kaarlo"]
[Black "Kanko, Ilkka"]
[Result "1/2-1/2"]
[ECO "C06"]
[BlackElo "2255"]
[PlyCount "81"]
[EventDate "1978.01.16"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "FIN"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 cxd4 8. cxd4 f6 9. exf6 Nxf6 10. 0-0 Bd6 11. Nf3 Qc7 12. Ng3 0-0 13. Bd2 Bd7 14. Bc3 Rae8 15. Rc1 Qb8 16. Re1 e5 17. dxe5 Nxe5 18. Nxe5 Bxe5 19. Bxe5 Rxe5 20. Rxe5 Qxe5 21. Qe2 Qf4 22. Qe3 Qxe3 23. fxe3 Re8 24. Rc3 g6 25. Be2 Bc6 26. Bf3 Kf7 27. Ne2 Ke7 28. Nd4 Kd6 29. Kf2 Re7 30. h4 Bd7 31. Ra3 a6 32. Rb3 Kc7 33. Rb4 Rf7 34. Ke1 Re7 35. Rb3 Ne4 36. Bxe4 Rxe4 37. g3 Bg4 38. a4 Bd7 39. a5 Re7 40. Kf2 Rf7+ 41. Kg2 1/2-1/2

[Event "Helsinki-ch"]
[Site "Helsinki"]
[Date "1978.01.24"]
[Round "6"]
[White "Pyhala, Antti"]
[Black "Koskinen, Heikki Kaarlo"]
[Result "1/2-1/2"]
[ECO "B13"]
[WhiteElo "2335"]
[PlyCount "73"]
[EventDate "1978.01.16"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "FIN"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 Nc6 6. Nf3 Bg4 7. cxd5 Nxd5 8. Qb3 Bxf3 9. gxf3 e6 10. Qxb7 Nxd4 11. Bb5+ Nxb5 12. Qc6+ Ke7 13. Qxb5 Qd7 14. Nxd5+ Qxd5 15. Qxd5 exd5 16. Be3 Ke6 17. Ke2 Bd6 18. Rac1 Rhc8 19. Kd3 Be5 20. b3 a6 21. f4 Bd6 22. Rxc8 Rxc8 23. Rc1 Rxc1 24. Bxc1 Kd7 25. Bd2 Kc6 26. a4 Bc5 27. f3 Bd6 28. h3 Be7 29. b4 Bd8 30. f5 Bc7 31. Bc3 f6 32. Bd2 Bd8 33. Bc1 Be7 34. Bd2 Bd6 35. Ke3 Be5 36. f4 Bc7 37. Kd3 1/2-1/2

[Event "Helsinki-ch"]
[Site "Helsinki"]
[Date "1978.01.23"]
[Round "5"]
[White "Koskinen, Heikki Kaarlo"]
[Black "Ristoja, Thomas W"]
[Result "1/2-1/2"]
[ECO "B44"]
[BlackElo "1920"]
[PlyCount "28"]
[EventDate "1978.01.16"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "FIN"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nxc6 bxc6 6. Bd3 d5 7. 0-0 Bd6 8. c4 Ne7 9. Nc3 0-0 10. cxd5 cxd5 11. exd5 Nxd5 12. Nxd5 exd5 13. Qh5 g6 14. Qh6 Be5 1/2-1/2

[Event "Helsinki-ch"]
[Site "Helsinki"]
[Date "1978.01.20"]
[Round "4"]
[White "Partanen, Juha"]
[Black "Koskinen, Heikki Kaarlo"]
[Result "0-1"]
[ECO "B13"]
[PlyCount "138"]
[EventDate "1978.01.16"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "FIN"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 Nc6 6. Bg5 Qa5 7. Bxf6 exf6 8. cxd5 Bb4 9. Qd2 Bxc3 10. bxc3 Qxd5 11. Nf3 0-0 12. Be2 Na5 13. 0-0 Bd7 14. Bd3 Rac8 15. Qc2 g6 16. Rac1 Bb5 17. Bxb5 Qxb5 18. Nd2 Nc4 19. Qd3 Qd5 20. Qe4 Qd7 21. Rfd1 Rfe8 22. Qf3 Qc6 23. Qxc6 Rxc6 24. d5 Rc7 25. Nxc4 Rxc4 26. d6 Rd8 27. Rd3 Rd7 28. g3 Kg7 29. Re1 Kf8 30. h3 Rc6 31. Rb1 b6 32. Rbd1 f5 33. g4 fxg4 34. hxg4 f6 35. Kg2 Kf7 36. f4 Rc5 37. Kf3 h5 38. Rh1 Rc6 39. gxh5 Rcxd6 40. hxg6+ Kxg6 41. Rxd6 Rxd6 42. Ke4 Re6+ 43. Kd5 Re3 44. Rg1+ Kf5 45. Rg7 Rxc3 46. Rxa7 Rc5+ 47. Kd4 Kxf4 48. Rb7 Rb5 49. Kc4 Rb1 50. a4 f5 51. Kd3 Rb4 52. Ke2 Ke4 53. Re7+ Kd5 54. Ra7 Kc6 55. a5 b5 56. Rf7 f4 57. a6 Ra4 58. a7 Kb6 59. Rxf4 Rxa7 60. Kd2 Rc7 61. Rf1 Rc4 62. Kd3 Rc5 63. Kd4 b4 64. Rf8 Rc1 65. Kd3 Kb5 66. Ra8 b3 67. Kd2 Rc2+ 68. Kd1 Kb4 69. Rb8+ Ka3 0-1

[Event "Helsinki-ch"]
[Site "Helsinki"]
[Date "1978.01.19"]
[Round "3"]
[White "Koskinen, Heikki Kaarlo"]
[Black "Turunen, Erkki O"]
[Result "1/2-1/2"]
[ECO "C66"]
[PlyCount "40"]
[EventDate "1978.01.16"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "FIN"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 d6 5. 0-0 Be7 6. Re1 0-0 7. d4 Bd7 8. Nc3 Re8 9. Bxc6 Bxc6 10. dxe5 dxe5 11. Qxd8 Raxd8 12. Nxe5 Bxe4 13. Nxe4 Nxe4 14. Bf4 Nc5 15. Nc4 Rd4 16. Rad1 Red8 17. Rxd4 Rxd4 18. b3 Rxf4 19. Rxe7 Re4 20. Rxe4 Nxe4 1/2-1/2

[Event "Helsinki-ch"]
[Site "Helsinki"]
[Date "1978.01.17"]
[Round "2"]
[White "Kiviaho, Allan"]
[Black "Koskinen, Heikki Kaarlo"]
[Result "1/2-1/2"]
[ECO "D97"]
[PlyCount "37"]
[EventDate "1978.01.16"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "FIN"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 0-0 7. e4 a6 8. Be2 b5 9. Qb3 c5 10. dxc5 Bb7 11. e5 Nfd7 12. e6 Nxc5 13. exf7+ Rxf7 14. Qd1 Bxc3+ 15. bxc3 Qxd1+ 16. Bxd1 Nd3+ 17. Kf1 Nxc1 18. Rxc1 Bd5 19. Bb3 1/2-1/2

[Event "Helsinki-ch"]
[Site "Helsinki"]
[Date "1978.01.16"]
[Round "1"]
[White "Koskinen, Heikki Kaarlo"]
[Black "Salonen, Jyrki"]
[Result "0-1"]
[ECO "B44"]
[PlyCount "83"]
[EventDate "1978.01.16"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "FIN"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Bd3 Nc6 6. Nxc6 bxc6 7. c4 d5 8. cxd5 cxd5 9. Nc3 dxe4 10. Nxe4 Bb4+ 11. Nc3 0-0 12. 0-0 Bb7 13. Qe2 Bxc3 14. bxc3 Qd5 15. f3 Rfd8 16. Rd1 Ba6 17. Bxa6 Qxd1+ 18. Kf2 Rab8 19. Qxd1 Rxd1 20. Be2 Rd7 21. c4 a5 22. a4 e5 23. Ra2 Ne8 24. Bd2 Ra7 25. c5 Nc7 26. Bc3 f6 27. Rd2 Na6 28. c6 Nb4 29. Bb5 Rc7 30. Rd6 Kf8 31. f4 exf4 32. Bd4 Kf7 33. h4 Rbc8 34. h5 Rxc6 35. Rd7+ Ke6 36. Rxg7 R6c7 37. Rg4 Kf5 38. Rh4 Rd8 39. Bb6 Rc2+ 40. Kf3 Rc3+ 41. Ke2 Rd5 42. Bxa5 0-1

[Event "Olympiad-19 Final B"]
[Site "Siegen"]
[Date "1970.09.24"]
[Round "10"]
[White "Lebredo Zaragoitia, Gerardo"]
[Black "Koskinen, Heikki Kaarlo"]
[Result "1-0"]
[ECO "D72"]
[PlyCount "53"]
[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 "Cuba"]
[BlackTeam "Finland"]
[WhiteTeamCountry "CUB"]
[BlackTeamCountry "FIN"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 d5 5. cxd5 Nxd5 6. e4 Nb6 7. Ne2 0-0 8. 0-0 Nc6 9. d5 Nb8 10. Nbc3 c6 11. a4 a5 12. Qb3 cxd5 13. exd5 e6 14. Be3 Nxd5 15. Nxd5 exd5 16. Bxd5 Na6 17. Rfd1 Qe7 18. Nf4 Qb4 19. Rd2 Bf5 20. Rc1 Qxb3 21. Bxb3 Rfd8 22. Nd5 Be6 23. Rcd1 Re8 24. Bc4 Rac8 25. Bb5 Bxd5 26. Bxe8 Nb4 27. Bb5 1-0

[Event "Olympiad-19 Final B"]
[Site "Siegen"]
[Date "1970.09.23"]
[Round "9"]
[White "Koskinen, Heikki Kaarlo"]
[Black "Purdy, Cecil John Seddon"]
[Result "1-0"]
[ECO "C78"]
[PlyCount "81"]
[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 "Australia"]
[WhiteTeamCountry "FIN"]
[BlackTeamCountry "AUS"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 d6 7. c3 Na5 8. Bc2 c5 9. h3 Nc6 10. d4 Qc7 11. dxc5 dxc5 12. Bg5 Be7 13. Nh4 h6 14. Bxf6 Bxf6 15. Nf5 0-0 16. Qf3 Bg5 17. h4 Bd8 18. Qg3 Bxf5 19. exf5 Qe7 20. Qf3 Rc8 21. g3 Nb8 22. a4 Qc7 23. axb5 axb5 24. Re1 Nd7 25. Nd2 Be7 26. Ra6 Rfd8 27. Nf1 c4 28. Rea1 Nc5 29. f6 Bxf6 30. Rxf6 gxf6 31. Ne3 e4 32. Qg4+ Kh7 33. Qf5+ Kg8 34. Qg4+ Kh8 35. Qh5 Qe5 36. Qxh6+ Kg8 37. Ng4 Nd7 38. Nxe5 fxe5 39. Bxe4 Nf8 40. Qg5+ Kh8 41. Ra6 1-0

[Event "Olympiad-19 Final B"]
[Site "Siegen"]
[Date "1970.09.22"]
[Round "8"]
[White "Koskinen, Heikki Kaarlo"]
[Black "Roehrl, Karl"]
[Result "1/2-1/2"]
[ECO "B80"]
[PlyCount "33"]
[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 "Austria"]
[WhiteTeamCountry "FIN"]
[BlackTeamCountry "AUT"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. g3 a6 7. Bg2 Qc7 8. 0-0 Be7 9. f4 0-0 10. Be3 Nc6 11. Nb3 b5 12. h3 Bb7 13. Qe1 Rac8 14. Rc1 Nd7 15. Qf2 Bf6 16. Rfd1 Rfd8 17. Rd2 1/2-1/2

[Event "Olympiad-19 Final B"]
[Site "Siegen"]
[Date "1970.09.19"]
[Round "6"]
[White "Koskinen, Heikki Kaarlo"]
[Black "Bachtiar, Arovah"]
[Result "1/2-1/2"]
[ECO "B28"]
[PlyCount "33"]
[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 "Indonesia"]
[WhiteTeamCountry "FIN"]
[BlackTeamCountry "INA"]

1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Bd3 Nc6 6. Nxc6 dxc6 7. 0-0 e5 8. Nd2 Bc5 9. Nc4 Qe7 10. c3 b5 11. Ne3 0-0 12. Qf3 Bxe3 13. Bxe3 Bg4 14. Qg3 Rfd8 15. Bg5 h6 16. Bxf6 Qxf6 17. Qxg4 1/2-1/2

[Event "Olympiad-19 Final B"]
[Site "Siegen"]
[Date "1970.09.18"]
[Round "5"]
[White "Cuartas, Carlos Enrique"]
[Black "Koskinen, Heikki Kaarlo"]
[Result "1/2-1/2"]
[ECO "B13"]
[PlyCount "99"]
[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 "Columbia"]
[BlackTeam "Finland"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "FIN"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Nf6 6. Bf4 Bg4 7. Qb3 Na5 8. Qa4+ Bd7 9. Qc2 e6 10. Nd2 Rc8 11. Ngf3 Qb6 12. a4 Be7 13. 0-0 0-0 14. Ne5 Be8 15. Rfe1 Nc6 16. Qb1 Nxe5 17. Bxe5 g6 18. a5 Qd8 19. Qd1 Nd7 20. Bf4 Bf6 21. Qb3 Bg5 22. Bxg5 Qxg5 23. Nf3 Qd8 24. Qxb7 Rb8 25. Qxa7 Ra8 26. Qb7 Rb8 27. Qa6 Qc7 28. Ra2 Rb7 29. Bf1 Ra7 30. Qb5 Ne5 31. Qc5 Nxf3+ 32. gxf3 Qb8 33. a6 Bd7 34. Re5 Rc8 35. Qa3 Bb5 36. Qb4 Bxf1 37. Qxb8 Rxb8 38. Kxf1 Rb6 39. Re1 Rbxa6 40. Rxa6 Rxa6 41. Rb1 Kg7 42. Ke2 Kf6 43. b4 Ra2+ 44. Ke3 Ra3 45. Kd3 Ke7 46. Kc2 Ra2+ 47. Rb2 Ra3 48. Rb3 Ra2+ 49. Rb2 Ra3 50. Rb3 1/2-1/2

[Event "Olympiad-19 Final B"]
[Site "Siegen"]
[Date "1970.09.17"]
[Round "4"]
[White "Filipowicz, Andrzej"]
[Black "Koskinen, Heikki Kaarlo"]
[Result "0-1"]
[ECO "B13"]
[PlyCount "103"]
[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 "Poland"]
[BlackTeam "Finland"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "FIN"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 Nc6 6. Bg5 Qa5 7. Nf3 Bg4 8. Bxf6 exf6 9. cxd5 Bb4 10. Qb3 Bxf3 11. dxc6 Bxc6 12. 0-0-0 0-0 13. d5 Bd7 14. Rd4 Bc5 15. Rd2 Rac8 16. Bd3 Bb4 17. Rc2 Rc5 18. Kb1 Bxc3 19. Rxc3 Rxd5 20. Bc4 Bf5+ 21. Ka1 Rd7 22. f3 a6 23. g4 Bg6 24. Rhc1 b5 25. Bd5 f5 26. h4 fxg4 27. fxg4 Qd8 28. Bc6 Rd4 29. h5 Be4 30. Bxe4 Rxe4 31. Rc6 Qg5 32. h6 g6 33. a3 Qxh6 34. Qc2 Rxg4 35. Rd1 a5 36. Rc8 Qf4 37. Rxf8+ Kxf8 38. Qc8+ Kg7 39. Qc3+ Qf6 40. Qxa5 Ra4 41. Qxb5 Rxa3+ 42. Kb1 Rf3 43. Ka2 Rf5 44. Qb4 h5 45. Rd6 Qe5 46. Ra6 Qd5+ 47. b3 Qc5 48. Qxc5 Rxc5 49. b4 Rb5 50. Kb3 h4 51. Kc4 Rb8 52. b5 0-1

[Event "Olympiad-19 Final B"]
[Site "Siegen"]
[Date "1970.09.15"]
[Round "2"]
[White "Koskinen, Heikki Kaarlo"]
[Black "Jakobsen, Ole"]
[Result "0-1"]
[ECO "C78"]
[PlyCount "56"]
[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 "Denmark"]
[WhiteTeamCountry "FIN"]
[BlackTeamCountry "DEN"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Bb7 7. d4 d6 8. Re1 Nxd4 9. Nxd4 exd4 10. c3 dxc3 11. Nxc3 Be7 12. f4 0-0 13. Qf3 c5 14. Be3 b4 15. Nd5 Nxd5 16. exd5 Bf6 17. Re2 a5 18. Rd1 Ba6 19. Rc2 Qd7 20. Rcd2 Rae8 21. Bf2 Re7 22. Bc2 Rfe8 23. Qh5 g6 24. Qh6 Re2 25. f5 Qe7 26. h4 Bg7 27. Qf4 Bxb2 28. Ba4 Re1+ 0-1

[Event "Olympiad-19 Preliminaries C"]
[Site "Siegen"]
[Date "1970.09.13"]
[Round "9"]
[White "Scherman, Andrew"]
[Black "Koskinen, Heikki Kaarlo"]
[Result "0-1"]
[ECO "B17"]
[PlyCount "68"]
[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 "British Virgin Islands"]
[BlackTeam "Finland"]
[WhiteTeamCountry "IVB"]
[BlackTeamCountry "FIN"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Bc4 Ngf6 6. Qe2 Nxe4 7. Qxe4 Nf6 8. Qd3 e6 9. Nf3 c5 10. c3 a6 11. a4 cxd4 12. Qxd4 Qxd4 13. Nxd4 Bc5 14. Be3 Ng4 15. 0-0 Bd7 16. b4 Nxe3 17. fxe3 Be7 18. b5 0-0 19. bxa6 bxa6 20. Rfc1 Bc5 21. Kf2 Rfc8 22. Be2 Rc7 23. c4 Rb8 24. Nc2 Rb2 25. Bd3 Rcb7 26. Kf1 Bc6 27. g3 R7b3 28. Rd1 e5 29. e4 g6 30. Ke1 Rxd3 31. Rxd3 Rxc2 32. Rd8+ Kg7 33. Rc8 Bf2+ 34. Kd1 Bxe4 0-1

[Event "Olympiad-19 Preliminaries C"]
[Site "Siegen"]
[Date "1970.09.11"]
[Round "7"]
[White "Mednis, Edmar John"]
[Black "Koskinen, Heikki Kaarlo"]
[Result "1/2-1/2"]
[ECO "B16"]
[PlyCount "35"]
[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 "United States"]
[BlackTeam "Finland"]
[WhiteTeamCountry "USA"]
[BlackTeamCountry "FIN"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ gxf6 6. Nf3 Bg4 7. Be2 Bg7 8. 0-0 0-0 9. c3 e6 10. Bf4 Nd7 11. Qd2 Kh8 12. Rad1 Rg8 13. c4 Nf8 14. Kh1 Qd7 15. Nh4 Bxe2 16. Qxe2 Ng6 17. Nxg6+ fxg6 18. Rfe1 1/2-1/2

[Event "Olympiad-19 Preliminaries C"]
[Site "Siegen"]
[Date "1970.09.10"]
[Round "6"]
[White "Rizo, Victor M"]
[Black "Koskinen, Heikki Kaarlo"]
[Result "0-1"]
[ECO "E66"]
[PlyCount "66"]
[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 "Mexico"]
[BlackTeam "Finland"]
[WhiteTeamCountry "MEX"]
[BlackTeamCountry "FIN"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d6 6. c4 Nc6 7. Nc3 e5 8. d5 Na5 9. Nd2 c5 10. e4 Bd7 11. b3 a6 12. Qc2 b5 13. Bb2 bxc4 14. bxc4 Rb8 15. Ba3 Bh6 16. f4 Ng4 17. Rae1 exf4 18. gxf4 Bg7 19. e5 dxe5 20. h3 exf4 21. Bxc5 Ne3 22. Rxe3 fxe3 23. Bxe3 Re8 24. Nd1 Rc8 25. Kh1 Bb5 26. Rf4 Qc7 27. Ne4 Nxc4 28. d6 Qd7 29. Qb3 Nxd6 30. Nxd6 Qxd6 31. Qxf7+ Kh8 32. Bd5 Qxd5+ 33. Qxd5 Bc6 0-1

[Event "Olympiad-19 Preliminaries C"]
[Site "Siegen"]
[Date "1970.09.08"]
[Round "4"]
[White "Koskinen, Heikki Kaarlo"]
[Black "Arita, K."]
[Result "1-0"]
[ECO "B52"]
[PlyCount "95"]
[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 "Japan"]
[WhiteTeamCountry "FIN"]
[BlackTeamCountry "JPN"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Nxd7 5. 0-0 Ngf6 6. Re1 Qc7 7. c3 Rc8 8. d3 a6 9. Nbd2 e6 10. Nf1 Be7 11. Bf4 0-0 12. h3 Rfd8 13. Re2 e5 14. Bg3 Bf8 15. Ne3 g6 16. Bh4 Re8 17. g4 Bg7 18. Nh2 h6 19. Qd2 Qc6 20. Bxf6 Nxf6 21. h4 b5 22. f3 Rcd8 23. c4 Qb7 24. Rg2 Kh8 25. Nhf1 Rd7 26. Ng3 Nh7 27. Kh1 Nf8 28. h5 Ne6 29. Nd5 Kh7 30. Rh2 g5 31. Rb1 Rf8 32. Qd1 Qc6 33. Nf5 Re8 34. a3 Nd8 35. b3 Re6 36. Rc2 Rb7 37. b4 Qd7 38. bxc5 dxc5 39. cxb5 axb5 40. Rxc5 f6 41. Qb3 Rc6 42. Rxb5 Rxb5 43. Qxb5 Rc1+ 44. Kg2 Qc8 45. Rxc1 Qxc1 46. Nxf6+ Bxf6 47. Qd7+ Kg8 48. Qe8+ 1-0

[Event "Olympiad-19 Preliminaries C"]
[Site "Siegen"]
[Date "1970.09.05"]
[Round "1"]
[White "Hartoch, Robert G"]
[Black "Koskinen, Heikki Kaarlo"]
[Result "1/2-1/2"]
[ECO "D71"]
[PlyCount "56"]
[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 "Netherlands"]
[BlackTeam "Finland"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "FIN"]

1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. g3 g6 5. Bg2 Nb6 6. d4 Bg7 7. e3 0-0 8. Nge2 Nc6 9. 0-0 e5 10. d5 Ne7 11. e4 f5 12. Bg5 h6 13. Bxe7 Qxe7 14. Rc1 Bd7 15. Qb3 f4 16. f3 Qe8 17. g4 Rf7 18. Kh1 Bf8 19. Nb1 Bb5 20. Rfe1 a5 21. Nec3 Bd7 22. Bf1 a4 23. Qc2 Bd6 24. Na3 Ra5 25. Qd3 Bb4 26. Nc2 Bd6 27. Na3 Bb4 28. Nc2 Bd6 1/2-1/2

[Event "Olympiad-18 Final B"]
[Site "Lugano"]
[Date "1968.11.06"]
[Round "13"]
[White "Myagmarsuren, Lhamsuren"]
[Black "Koskinen, Heikki Kaarlo"]
[Result "1/2-1/2"]
[ECO "D01"]
[PlyCount "60"]
[EventDate "1968.10.26"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "SUI"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Mongolia"]
[BlackTeam "Finland"]
[WhiteTeamCountry "MGL"]
[BlackTeamCountry "FIN"]

1. d4 Nf6 2. Nc3 d5 3. Bg5 h6 4. Bh4 Bf5 5. e3 e6 6. Bd3 Bxd3 7. Qxd3 c6 8. Nf3 Nbd7 9. h3 Bd6 10. g4 Qc7 11. Bxf6 Nxf6 12. e4 dxe4 13. Nxe4 Nxe4 14. Qxe4 Qa5+ 15. c3 Qd5 16. Qxd5 cxd5 17. Ke2 Ke7 18. Ne1 h5 19. Nd3 g5 20. h4 Rag8 21. hxg5 Rxg5 22. f3 Rgg8 23. gxh5 Rg5 24. Rag1 Rgxh5 25. Rxh5 Rxh5 26. Rg8 Kd7 27. Ke3 Rh1 28. f4 Rh3+ 29. Ke2 Rh2+ 30. Kf3 Rd2 1/2-1/2

[Event "Olympiad-18 Final B"]
[Site "Lugano"]
[Date "1968.11.05"]
[Round "12"]
[White "Bouwmeester, Hans"]
[Black "Koskinen, Heikki Kaarlo"]
[Result "1-0"]
[ECO "B10"]
[PlyCount "67"]
[EventDate "1968.10.26"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "SUI"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Netherlands"]
[BlackTeam "Finland"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "FIN"]

1. e4 c6 2. d3 d5 3. Nd2 g6 4. Ngf3 Bg7 5. g3 e6 6. Bg2 Ne7 7. 0-0 0-0 8. Qe2 c5 9. Re1 Nbc6 10. e5 Nf5 11. c3 b5 12. Nb3 c4 13. Nc5 cxd3 14. Nxd3 h5 15. h3 Bh6 16. Bxh6 Nxh6 17. Qd2 Kg7 18. Nd4 Qb6 19. Nxc6 Qxc6 20. b4 Bd7 21. Nc5 Rfc8 22. Qf4 Be8 23. g4 hxg4 24. hxg4 Ng8 25. Bf3 a5 26. Kg2 axb4 27. cxb4 Ra3 28. Rh1 Rca8 29. Rh3 Rxa2 30. Rah1 Rc2 31. Rh8 Raa2 32. R1h7+ Kf8 33. Qh6+ Ke7 34. Qh4+ 1-0

[Event "Olympiad-18 Final B"]
[Site "Lugano"]
[Date "1968.11.04"]
[Round "11"]
[White "Koskinen, Heikki Kaarlo"]
[Black "Camara, Helder"]
[Result "1/2-1/2"]
[ECO "B27"]
[PlyCount "106"]
[EventDate "1968.10.26"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "SUI"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Finland"]
[BlackTeam "Brazil"]
[WhiteTeamCountry "FIN"]
[BlackTeamCountry "BRA"]

1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. dxc5 Na6 5. Bc4 Nxc5 6. 0-0 Ne6 7. Nc3 d6 8. Qe2 Nf6 9. e5 Ng4 10. Bxe6 Bxe6 11. exd6 Qxd6 12. Rd1 Qc5 13. Ng5 Qc7 14. g3 Bd7 15. Nd5 Qe5 16. Qc4 Qf5 17. Qc5 Qxf2+ 18. Qxf2 Nxf2 19. Kxf2 Rc8 20. c3 h6 21. Nf3 e6 22. Re1 Rc5 23. Nb4 a5 24. Be3 Rf5 25. g4 Rxf3+ 26. Kxf3 axb4 27. Bd4 Bc6+ 28. Kf2 Bxd4+ 29. cxd4 Kd7 30. Ke3 Bd5 31. a3 bxa3 32. bxa3 f6 33. Rf1 Ke7 34. Rac1 h5 35. Rg1 hxg4 36. Rxg4 Rxh2 37. Rxg6 Rh3+ 38. Kd2 Rxa3 39. Rc7+ Kd6 40. Rgg7 Bc6 41. Rc8 Kd5 42. Rd8+ Kc4 43. Rg6 Bd5 44. Rxf6 Rd3+ 45. Kc2 Rxd4 46. Rc8+ Kb4 47. Rf2 b5 48. Rc3 Bc4 49. Re3 Rd6 50. Rf4 Ra6 51. Re5 Rc6 52. Kb2 Ka4 53. Re1 Ka5 1/2-1/2

[Event "Olympiad-18 Final B"]
[Site "Lugano"]
[Date "1968.11.02"]
[Round "9"]
[White "Kupper, Josef"]
[Black "Koskinen, Heikki Kaarlo"]
[Result "1/2-1/2"]
[ECO "B16"]
[PlyCount "43"]
[EventDate "1968.10.26"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "SUI"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Switzerland"]
[BlackTeam "Finland"]
[WhiteTeamCountry "SUI"]
[BlackTeamCountry "FIN"]

1. e4 c6 2. Nc3 d5 3. Nf3 dxe4 4. Nxe4 Nf6 5. Nxf6+ gxf6 6. d4 Bg7 7. Be2 Bg4 8. 0-0 e6 9. c4 0-0 10. Be3 Qc7 11. h3 Bxf3 12. Bxf3 Rd8 13. Qc1 Nd7 14. Rd1 Nf8 15. h4 f5 16. Bf4 Qe7 17. Bg5 Bf6 18. Qe3 Bxg5 19. hxg5 Ng6 20. g3 Rd7 21. Rd2 Rad8 22. Rad1 1/2-1/2

[Event "Olympiad-18 Final B"]
[Site "Lugano"]
[Date "1968.11.01"]
[Round "8"]
[White "Beyen, Roland"]
[Black "Koskinen, Heikki Kaarlo"]
[Result "1/2-1/2"]
[ECO "D98"]
[PlyCount "65"]
[EventDate "1968.10.26"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "SUI"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Belgium"]
[BlackTeam "Finland"]
[WhiteTeamCountry "BEL"]
[BlackTeamCountry "FIN"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 0-0 7. e4 Bg4 8. Be2 Nfd7 9. Be3 Nc6 10. Rd1 Nb6 11. Qc5 Qd6 12. d5 Ne5 13. Nxe5 Bxe2 14. Qxd6 cxd6 15. Kxe2 Bxe5 16. Bd4 Bxd4 17. Rxd4 Nd7 18. Rc1 Rfc8 19. Rd2 Rc5 20. Rdc2 Rac8 21. Kd2 f5 22. f3 fxe4 23. fxe4 Nf6 24. Kd3 Ng4 25. h3 Ne5+ 26. Ke2 b5 27. a3 a5 28. Kd2 Nc4+ 29. Kd3 Ne5+ 30. Kd2 Rf8 31. Ke2 a4 32. Nd1 Nd7 33. Nf2 1/2-1/2

[Event "Olympiad-18 Final B"]
[Site "Lugano"]
[Date "1968.10.30"]
[Round "6"]
[White "Koskinen, Heikki Kaarlo"]
[Black "Kagan, Shimon"]
[Result "0-1"]
[ECO "B11"]
[PlyCount "70"]
[EventDate "1968.10.26"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "SUI"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Finland"]
[BlackTeam "Israel"]
[WhiteTeamCountry "FIN"]
[BlackTeamCountry "ISR"]

1. e4 c6 2. Nc3 d5 3. Nf3 Bg4 4. h3 Bxf3 5. Qxf3 Nf6 6. d3 e6 7. a3 Nbd7 8. g3 Be7 9. Bg2 0-0 10. 0-0 d4 11. Nb1 c5 12. Qe2 e5 13. f4 Rc8 14. Nd2 b5 15. a4 a6 16. axb5 axb5 17. b3 Qc7 18. h4 Bd6 19. f5 Ra8 20. Rxa8 Rxa8 21. g4 Ra2 22. g5 Ne8 23. g6 Nef6 24. Nf3 Nf8 25. Ng5 hxg6 26. Bh3 gxf5 27. Bxf5 c4 28. bxc4 bxc4 29. dxc4 Qa7 30. Kh1 Qa4 31. Rf2 Bc5 32. Qd3 Qb4 33. Rf1 Qc3 34. Nf3 Rxc2 35. Qxc3 dxc3 0-1

[Event "Olympiad-18 Final B"]
[Site "Lugano"]
[Date "1968.10.29"]
[Round "5"]
[White "Thorsteinsson, Bjorn"]
[Black "Koskinen, Heikki Kaarlo"]
[Result "1/2-1/2"]
[ECO "B16"]
[PlyCount "23"]
[EventDate "1968.10.26"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "SUI"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Iceland"]
[BlackTeam "Finland"]
[WhiteTeamCountry "ISL"]
[BlackTeamCountry "FIN"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ gxf6 6. c3 Bf5 7. Bc4 e6 8. Ne2 Nd7 9. Ng3 Bg6 10. h4 h6 11. h5 Bh7 12. Qe2 1/2-1/2

[Event "Olympiad-18 Final B"]
[Site "Lugano"]
[Date "1968.10.28"]
[Round "4"]
[White "Koskinen, Heikki Kaarlo"]
[Black "Freeman, Michael Joseph"]
[Result "1-0"]
[ECO "B49"]
[PlyCount "45"]
[EventDate "1968.10.26"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "SUI"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Finland"]
[BlackTeam "Scotland"]
[WhiteTeamCountry "FIN"]
[BlackTeamCountry "SCO"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Be3 Qc7 6. Nc3 a6 7. Be2 Nf6 8. 0-0 Bb4 9. Nxc6 dxc6 10. f3 0-0 11. Qe1 b5 12. a3 Bxc3 13. Qxc3 e5 14. a4 bxa4 15. Rxa4 Nd7 16. Rfa1 Nb8 17. Qa5 Qxa5 18. Rxa5 Re8 19. b4 f5 20. Bc4+ Kh8 21. Rd1 h6 22. Bc5 fxe4 23. Bf7 1-0

[Event "Olympiad-18 Final B"]
[Site "Lugano"]
[Date "1968.10.27"]
[Round "3"]
[White "Visier Segovia, Fernando"]
[Black "Koskinen, Heikki Kaarlo"]
[Result "1/2-1/2"]
[ECO "D93"]
[PlyCount "131"]
[EventDate "1968.10.26"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "SUI"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Spain"]
[BlackTeam "Finland"]
[WhiteTeamCountry "ESP"]
[BlackTeamCountry "FIN"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Bf4 0-0 6. e3 c5 7. dxc5 Qa5 8. Rc1 dxc4 9. Bxc4 Qxc5 10. Bb3 Bg4 11. Nd5 Qa5+ 12. Qd2 Qxd2+ 13. Nxd2 Nc6 14. f3 Nxd5 15. Bxd5 Bd7 16. Ke2 Nb4 17. Bc4 b5 18. Bb3 Rac8 19. Rb1 a5 20. a3 Na6 21. Bd5 Rc2 22. b4 axb4 23. axb4 Bc3 24. e4 Nxb4 25. Rhc1 Rxc1 26. Rxc1 Nxd5 27. exd5 b4 28. Ne4 Bb5+ 29. Ke3 Rc8 30. Nxc3 bxc3 31. d6 exd6 32. Bxd6 c2 33. Bf4 Re8+ 34. Kf2 Re2+ 35. Kg3 f6 36. h4 Kf7 37. Ra1 Ke6 38. Ra5 Bc4 39. Rc5 Bd5 40. Rc8 Kf5 41. Rc5 Ke6 42. Rc8 Kf5 43. Rc5 Rxg2+ 44. Kxg2 Kxf4 45. Rxc2 Bxf3+ 46. Kh3 Be4 47. Rc7 h6 48. Rf7 Bf5+ 49. Kh2 Kg4 50. Rxf6 Kxh4 51. Rf8 h5 52. Rh8 Kg4 53. Rh7 g5 54. Rh8 Be4 55. Rh6 Bf3 56. Rh7 Kh4 57. Rf7 Kg4 58. Rh7 Be4 59. Rh6 Bf5 60. Rh8 h4 61. Rh6 Kf4 62. Rh8 Ke5 63. Rh6 Be6 64. Kg2 Kf5 65. Kh3 Bc4 66. Rxh4 1/2-1/2

[Event "Olympiad-18 Final B"]
[Site "Lugano"]
[Date "1968.10.26"]
[Round "2"]
[White "Koskinen, Heikki Kaarlo"]
[Black "Rodriguez Cordoba, Jesus R"]
[Result "1/2-1/2"]
[ECO "B31"]
[PlyCount "39"]
[EventDate "1968.10.26"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "SUI"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Finland"]
[BlackTeam "Cuba"]
[WhiteTeamCountry "FIN"]
[BlackTeamCountry "CUB"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. 0-0 Bg7 5. c3 Nf6 6. e5 Nd5 7. d4 cxd4 8. cxd4 0-0 9. Nc3 Nc7 10. h3 Nxb5 11. Nxb5 a6 12. Nc3 d6 13. Bf4 dxe5 14. dxe5 Qa5 15. Qe2 Bf5 16. Rfd1 Rad8 17. a3 Rxd1+ 18. Rxd1 Rd8 19. Rxd8+ Qxd8 20. Qe3 1/2-1/2

[Event "Olympiad-18 Preliminaries F"]
[Site "Lugano"]
[Date "1968.10.23"]
[Round "6"]
[White "Koskinen, Heikki Kaarlo"]
[Black "Skold, Kristian"]
[Result "1/2-1/2"]
[ECO "C92"]
[PlyCount "129"]
[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 "Finland"]
[BlackTeam "Sweden"]
[WhiteTeamCountry "FIN"]
[BlackTeamCountry "SWE"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 d6 7. c3 0-0 8. h3 Nd7 9. d4 Bf6 10. Be3 b5 11. Bb3 Na5 12. Bc2 Rb8 13. Nbd2 Re8 14. b4 Nc6 15. d5 Ne7 16. a3 Ng6 17. g3 Nb6 18. Kh2 c6 19. dxc6 Qc7 20. Rc1 Be6 21. Bd3 Qxc6 22. Qe2 Nc4 23. Nxc4 bxc4 24. Bc2 h6 25. Rcd1 Rbd8 26. Rd2 Rf8 27. Ng1 Be7 28. Red1 Qc8 29. a4 Qc6 30. Qh5 Rfe8 31. f4 exf4 32. gxf4 Bc8 33. Rg2 Bf6 34. f5 Nh4 35. Rg3 Rxe4 36. Bxe4 Qxe4 37. Qg4 Qxf5 38. Qxf5 Nxf5 39. Rf3 Bxc3 40. b5 axb5 41. axb5 g5 42. Bxg5 Be5+ 43. Bf4 Nd4 44. Bxe5 dxe5 45. Ra3 Bb7 46. b6 Rd6 47. Rb1 Nb3 48. Re1 e4 49. Ra4 Nd2 50. Ra2 e3 51. Kg3 Ne4+ 52. Kf4 Nc3 53. Ra7 Rxb6 54. Kxe3 Re6+ 55. Kd2 Ne4+ 56. Kc2 Bc6 57. Ra6 f5 58. Nf3 Rd6 59. Ne5 Bd5 60. Rxd6 Nxd6 61. Rd1 Be4+ 62. Kc3 Nf7 63. Rg1+ Kf8 64. Nxf7 Kxf7 65. Kxc4 1/2-1/2

[Event "Olympiad-18 Preliminaries F"]
[Site "Lugano"]
[Date "1968.10.22"]
[Round "5"]
[White "Koskinen, Heikki Kaarlo"]
[Black "Najjar, Abderrahman"]
[Result "1-0"]
[ECO "C04"]
[PlyCount "75"]
[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 "Finland"]
[BlackTeam "Morocco"]
[WhiteTeamCountry "FIN"]
[BlackTeamCountry "MAR"]

1. e4 e6 2. d4 d5 3. Nd2 Nc6 4. Ngf3 Nf6 5. e5 Nd7 6. Nb3 Be7 7. Bb5 f6 8. 0-0 fxe5 9. dxe5 0-0 10. Bxc6 bxc6 11. Na5 Nb8 12. c4 Bb4 13. Bd2 Bxa5 14. Bxa5 Ba6 15. Re1 Bxc4 16. b3 Ba6 17. Qd4 Bc8 18. Rac1 Bd7 19. Bb4 Rf5 20. Qg4 a5 21. Bd2 Qf8 22. Be3 Qe8 23. Nd4 Qh5 24. Qxh5 Rxh5 25. g4 Rh4 26. f3 h5 27. Bf2 Rh3 28. g5 c5 29. Rxc5 Na6 30. Rxa5 c5 31. Kg2 Rxh2+ 32. Kxh2 cxd4 33. Bxd4 Kf7 34. b4 Nc7 35. Rxa8 Nxa8 36. Rc1 g6 37. b5 Ke8 38. b6 1-0

[Event "Olympiad-18 Preliminaries F"]
[Site "Lugano"]
[Date "1968.10.20"]
[Round "3"]
[White "Roebuck, Ector"]
[Black "Koskinen, Heikki Kaarlo"]
[Result "0-1"]
[ECO "B12"]
[PlyCount "86"]
[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 "British Virgin Islands"]
[BlackTeam "Finland"]
[WhiteTeamCountry "IVB"]
[BlackTeamCountry "FIN"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. h3 c5 6. Bb5+ Nc6 7. Bxc6+ bxc6 8. c3 c4 9. 0-0 Be7 10. Bf4 g5 11. Bg3 h5 12. Nfd2 g4 13. hxg4 hxg4 14. f3 Bd3 15. Kf2 Bxf1 16. Nxf1 gxf3 17. Qxf3 Bh4 18. Nbd2 Bxg3+ 19. Qxg3 Qh4 20. Qxh4 Rxh4 21. g3 Rh8 22. b4 Ne7 23. Kg2 a5 24. Rb1 Kd7 25. a3 axb4 26. axb4 Ra2 27. Rc1 Rha8 28. Kf2 Ra1 29. Nb1 R8a2+ 30. Ke1 Rg2 31. Rd1 Nf5 32. Nbd2 Rxd1+ 33. Kxd1 Nxg3 34. Nxg3 Rxg3 35. Kc2 Kc7 36. Nb1 Rg2+ 37. Kc1 Kb6 38. Nd2 Kb5 39. Kc2 Ka4 40. Kc1 Rxd2 41. Kxd2 Kb3 42. Ke3 Kxc3 43. Kf4 Kxd4 0-1

[Event "Olympiad-18 Preliminaries F"]
[Site "Lugano"]
[Date "1968.10.18"]
[Round "1"]
[White "Koskinen, Heikki Kaarlo"]
[Black "Liebert, Heinz"]
[Result "1/2-1/2"]
[ECO "B04"]
[PlyCount "83"]
[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 "Finland"]
[BlackTeam "German Dem Rep"]
[WhiteTeamCountry "FIN"]
[BlackTeamCountry "DDR"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Bc4 Nb6 6. Bb3 Bg7 7. 0-0 0-0 8. exd6 cxd6 9. a4 Bg4 10. c3 d5 11. Nbd2 Nc6 12. h3 Bxf3 13. Nxf3 e6 14. Bf4 a6 15. Re1 Nc4 16. Qc1 b5 17. h4 h5 18. Bh6 Bxh6 19. Qxh6 Qf6 20. Re2 Rfe8 21. Rae1 Re7 22. Bc2 Rae8 23. Bd3 e5 24. Bxc4 bxc4 25. dxe5 Nxe5 26. Nxe5 Rxe5 27. Rxe5 Rxe5 28. Rxe5 Qxe5 29. Qd2 Kf8 30. g3 Ke7 31. Kg2 Kd6 32. f3 Kc6 33. Qf2 Qe7 34. Qd2 Qb7 35. Qe2 Kd6 36. Qd2 Qb6 37. Qf4+ Ke6 38. Qd2 Qc5 39. Qe2+ Kf6 40. Qe8 Qb6 41. Qe2 Qb3 42. g4 1/2-1/2

[Event "Nordic-ch27"]
[Site "Odense"]
[Date "1963.07.22"]
[Round "2"]
[White "Koskinen, Heikki Kaarlo"]
[Black "Vinje Gulbrandsen, Arne"]
[Result "1-0"]
[ECO "C04"]
[PlyCount "49"]
[EventDate "1963.07.21"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "DEN"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nc6 4. Ngf3 Nf6 5. e5 Nd7 6. Nb3 f6 7. Bb5 a6 8. Bxc6 bxc6 9. 0-0 fxe5 10. dxe5 c5 11. c4 d4 12. Na5 Nb6 13. Ng5 Qd7 14. Bd2 Be7 15. Qh5+ g6 16. Qh6 Bf8 17. Qh3 Bg7 18. f4 Qe7 19. Rab1 h6 20. Ne4 0-0 21. b4 cxb4 22. Bxb4 Qf7 23. Bxf8 Qxf8 24. Qd3 Qd8 25. c5 1-0

[Event "EU-chT 02nd Group2"]
[Site "Lidingo"]
[Date "1960.01.13"]
[Round "2.2"]
[White "Koskinen, Heikki Kaarlo"]
[Black "Pfeiffer, Gerhard"]
[Result "1/2-1/2"]
[ECO "C75"]
[PlyCount "32"]
[EventDate "1960.01.11"]
[EventType "team-tourn"]
[EventRounds "3"]
[EventCountry "SWE"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Finland"]
[BlackTeam "German Fed Rep"]
[WhiteTeamCountry "FIN"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. 0-0 Nge7 7. d4 Ng6 8. Be3 Be7 9. Re1 0-0 10. Nbd2 exd4 11. Nxd4 Nxd4 12. Bxd7 Qxd7 13. Bxd4 d5 14. exd5 Qxd5 15. Qf3 Qxf3 16. Nxf3 Bd6 1/2-1/2

[Event "EU-chT 02nd Group2"]
[Site "Lidingo"]
[Date "1960.01.12"]
[Round "2.1"]
[White "Pfeiffer, Gerhard"]
[Black "Koskinen, Heikki Kaarlo"]
[Result "1/2-1/2"]
[ECO "D94"]
[PlyCount "44"]
[EventDate "1960.01.11"]
[EventType "team-tourn"]
[EventRounds "3"]
[EventCountry "SWE"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "German Fed Rep"]
[BlackTeam "Finland"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "FIN"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. e3 0-0 6. cxd5 Nxd5 7. Bc4 Nb6 8. Bb3 Nc6 9. 0-0 e5 10. Nxe5 Nxe5 11. dxe5 Qxd1 12. Rxd1 Bxe5 13. e4 c6 14. Be3 Re8 15. Bd4 Be6 16. Bxe6 Rxe6 17. Bxe5 Rxe5 18. f4 Ree8 19. Rd3 Rad8 20. Rad1 Rxd3 21. Rxd3 f6 22. Kf2 Kf7 1/2-1/2

[Event "EU-chT 02nd Group2"]
[Site "Lidingo"]
[Date "1960.01.11"]
[Round "1.2"]
[White "Nilsson, Fridholm Z"]
[Black "Koskinen, Heikki Kaarlo"]
[Result "1/2-1/2"]
[ECO "B17"]
[PlyCount "80"]
[EventDate "1960.01.11"]
[EventType "team-tourn"]
[EventRounds "3"]
[EventCountry "SWE"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Sweden"]
[BlackTeam "Finland"]
[WhiteTeamCountry "SWE"]
[BlackTeamCountry "FIN"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Bc4 Ndf6 6. Ng5 e6 7. Ne2 Bd6 8. 0-0 Ne7 9. f4 0-0 10. Ng3 Nf5 11. Nxf5 exf5 12. c3 c5 13. d5 a6 14. a4 b6 15. Be2 Bd7 16. c4 Qc7 17. Qc2 h6 18. Nh3 Rfe8 19. Bd3 Ne4 20. b3 Bf8 21. Bb2 f6 22. g3 Nd6 23. Rfe1 Rad8 24. Nf2 Qb8 25. Bc3 Rxe1+ 26. Rxe1 Re8 27. Re2 Rxe2 28. Qxe2 Qe8 29. Kf1 Qxe2+ 30. Kxe2 a5 31. Ke3 Kf7 32. h3 h5 33. Kf3 g6 34. g4 hxg4+ 35. hxg4 fxg4+ 36. Nxg4 Bxg4+ 37. Kxg4 Ne8 38. Kf3 Bd6 39. Bf1 Ng7 40. Bh3 Nh5 1/2-1/2

[Event "EU-chT 02nd Group2"]
[Site "Lidingo"]
[Date "1960.01.10"]
[Round "1.1"]
[White "Koskinen, Heikki Kaarlo"]
[Black "Nilsson, Fridholm Z"]
[Result "1/2-1/2"]
[ECO "B52"]
[PlyCount "60"]
[EventDate "1960.01.11"]
[EventType "team-tourn"]
[EventRounds "3"]
[EventCountry "SWE"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Finland"]
[BlackTeam "Sweden"]
[WhiteTeamCountry "FIN"]
[BlackTeamCountry "SWE"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. 0-0 Nc6 6. c3 e6 7. d4 d5 8. dxc5 Bxc5 9. exd5 Qxd5 10. Qxd5 exd5 11. Nbd2 Nge7 12. Nb3 Bb6 13. a4 0-0 14. a5 Bc7 15. Rd1 Rfd8 16. Be3 Rab8 17. Nfd4 a6 18. Bg5 f6 19. Bh4 Kf7 20. Bg3 Be5 21. Rd2 Rbc8 22. Ra4 Bxg3 23. hxg3 Ne5 24. Re2 Rd7 25. Nd2 g6 26. Nf1 Nc4 27. Ne3 Nxe3 28. Rxe3 Rc4 29. Ra1 Rc5 30. f4 Nc6 1/2-1/2

[Event "Jonkoping SWE 60 Jubilee"]
[Site "Jonkoping"]
[Date "1959.01.04"]
[Round "9"]
[White "Ragozin, Viacheslav"]
[Black "Koskinen, Heikki Kaarlo"]
[Result "1-0"]
[ECO "D86"]
[PlyCount "43"]
[EventDate "1958.12.27"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "SWE"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 d5 3. d4 g6 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 0-0 8. Ne2 Nc6 9. Bg5 Na5 10. Bd3 c5 11. 0-0 cxd4 12. cxd4 Bg4 13. Be3 Bxe2 14. Bxe2 Qd7 15. Rc1 Rac8 16. d5 b5 17. Qd2 Nb7 18. f4 Rfd8 19. e5 a6 20. Bf3 g5 21. Bd4 e6 22. f5 1-0

[Event "Jonkoping SWE 60 Jubilee"]
[Site "Jonkoping"]
[Date "1959.01.03"]
[Round "8"]
[White "Koskinen, Heikki Kaarlo"]
[Black "Barda, Olaf"]
[Result "1/2-1/2"]
[ECO "B41"]
[PlyCount "69"]
[EventDate "1958.12.27"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "SWE"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. g3 b5 6. Bg2 Bb7 7. 0-0 Qc7 8. Qe2 Nf6 9. Nc3 d6 10. a3 Be7 11. Be3 Nbd7 12. f4 0-0 13. f5 e5 14. Nb3 Nb6 15. Na5 Rac8 16. Rad1 Ba8 17. Bg5 Nbd7 18. Nb3 h6 19. Bc1 Nb6 20. Rd3 Rfd8 21. Rfd1 Nc4 22. h4 a5 23. Kh1 b4 24. axb4 axb4 25. Nd5 Nxd5 26. exd5 Nb6 27. Qg4 Kf8 28. Qxb4 Qxc2 29. Qxb6 Rb8 30. Qg1 Rxb3 31. Rxb3 Qxb3 32. Kh2 Rc8 33. Rf1 Bf6 34. Rf3 Qxd5 35. Rc3 1/2-1/2

[Event "Jonkoping SWE 60 Jubilee"]
[Site "Jonkoping"]
[Date "1959.01.02"]
[Round "7"]
[White "Enevoldsen, Harald"]
[Black "Koskinen, Heikki Kaarlo"]
[Result "1/2-1/2"]
[ECO "D68"]
[PlyCount "42"]
[EventDate "1958.12.27"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "SWE"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Be7 5. e3 Nbd7 6. Nf3 0-0 7. Rc1 c6 8. Bd3 dxc4 9. Bxc4 Nd5 10. Bxe7 Qxe7 11. 0-0 Nxc3 12. Rxc3 e5 13. d5 Nb6 14. Bb3 cxd5 15. Bxd5 Rd8 16. e4 Bg4 17. Qb3 Nxd5 18. exd5 Bxf3 19. Rxf3 Qd6 20. Qxb7 Qxd5 21. Qxd5 Rxd5 1/2-1/2

[Event "Jonkoping SWE 60 Jubilee"]
[Site "Jonkoping"]
[Date "1959.01.01"]
[Round "6"]
[White "Koskinen, Heikki Kaarlo"]
[Black "Nilsson, Zandor"]
[Result "1-0"]
[ECO "C99"]
[PlyCount "129"]
[EventDate "1958.12.27"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "SWE"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 0-0 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 cxd4 13. cxd4 Nc6 14. Nb3 a5 15. Be3 a4 16. Nbd2 Be6 17. a3 Na5 18. Rc1 Rac8 19. Qe2 Qb8 20. Bd3 b4 21. Bb5 bxa3 22. bxa3 d5 23. Nxe5 Bxa3 24. Ra1 Qd6 25. Nxf7 Rxf7 26. e5 Qf8 27. exf6 Rxf6 28. Bxa4 Bb4 29. Rec1 Nc4 30. Nxc4 dxc4 31. Bc2 Bd5 32. Bxh7+ Kxh7 33. Qh5+ Kg8 34. Qxd5+ Qf7 35. Qxf7+ Kxf7 36. Ra4 Rb6 37. Rb1 Rcb8 38. Ra7+ Kg8 39. d5 Rb5 40. Bf4 Bf8 41. Rxb5 Rxb5 42. d6 Rd5 43. Rc7 Rd1+ 44. Kh2 Rxd6 45. Rxc4 Rd7 46. h4 Rb7 47. Rc8 Rd7 48. h5 Rd4 49. g3 Kf7 50. Kh3 Ra4 51. Rc7+ Kg8 52. Be5 Ra5 53. f4 Rb5 54. Kg4 Rb3 55. Bc3 Rb5 56. f5 Rb3 57. Be5 Rb5 58. Kf4 Rb4+ 59. Kg5 Re4 60. Bf4 Ra4 61. Rb7 Ra6 62. Be5 Ra5 63. Bb2 Rd5 64. g4 Ra5 65. Kg6 1-0

[Event "Jonkoping SWE 60 Jubilee"]
[Site "Jonkoping"]
[Date "1958.12.31"]
[Round "5"]
[White "Lilliestrom, Malte"]
[Black "Koskinen, Heikki Kaarlo"]
[Result "1/2-1/2"]
[ECO "D02"]
[PlyCount "56"]
[EventDate "1958.12.27"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "SWE"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. h3 0-0 5. Nbd2 d5 6. e3 c5 7. c3 Nfd7 8. Be2 Nc6 9. 0-0 e5 10. dxe5 Ndxe5 11. Nxe5 Nxe5 12. Nf3 Nc6 13. Qb3 b6 14. Rad1 Be6 15. Ng5 Qf6 16. Nxe6 fxe6 17. Bf3 Rad8 18. Bg3 Ne5 19. Be2 Rf7 20. e4 Nc6 21. exd5 Na5 22. Qa4 exd5 23. Rfe1 Qc6 24. Qxc6 Nxc6 25. Bf3 Ne7 26. Bh4 Kf8 27. Bg4 Bf6 28. Bg3 Nf5 1/2-1/2

[Event "Jonkoping SWE 60 Jubilee"]
[Site "Jonkoping"]
[Date "1958.12.30"]
[Round "4"]
[White "Koskinen, Heikki Kaarlo"]
[Black "Ljungqvist, Lennart"]
[Result "1/2-1/2"]
[ECO "B41"]
[PlyCount "63"]
[EventDate "1958.12.27"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "SWE"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. g3 b6 6. Bg2 Bb7 7. 0-0 Qc7 8. Qe2 Nc6 9. Be3 Rc8 10. c3 Nf6 11. Nd2 Na5 12. N4b3 Nxb3 13. axb3 d6 14. Rfd1 Be7 15. Bf4 e5 16. Bg5 0-0 17. Nc4 Rcd8 18. Ne3 Ne8 19. Bxe7 Qxe7 20. Rd2 g6 21. Rad1 Kg7 22. b4 f6 23. b5 a5 24. b4 axb4 25. cxb4 Nc7 26. Ra2 Ne6 27. Ra7 Nd4 28. Qd3 Rd7 29. Nc2 Nxc2 30. Qxc2 Rc8 31. Qd3 Qe6 32. Qe3 1/2-1/2

[Event "Jonkoping SWE 60 Jubilee"]
[Site "Jonkoping"]
[Date "1958.12.29"]
[Round "3"]
[White "Lindman, Karl Erik"]
[Black "Koskinen, Heikki Kaarlo"]
[Result "0-1"]
[ECO "B16"]
[PlyCount "74"]
[EventDate "1958.12.27"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "SWE"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[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. Be2 Nd7 10. f4 f5 11. h4 h6 12. Be3 Nf6 13. Bf3 Qc7 14. Qa4 Bg7 15. 0-0-0 0-0 16. h5 Bh7 17. Nf1 a5 18. Qc4 Rfc8 19. a4 Qd7 20. Qe2 Rab8 21. g4 fxg4 22. Bxg4 b5 23. axb5 cxb5 24. Bf3 b4 25. c4 Qa4 26. Kd2 b3 27. Ke1 Rxc4 28. Rg1 Rc2 29. Nd2 Kh8 30. Qg2 Rg8 31. Qh2 Be4 32. Qh4 Bxf3 33. Nxf3 Qc4 34. Bd2 Ne4 35. Ne5 Qxd4 36. Nxf7+ Kh7 37. Qg4 Qf2# 0-1

[Event "Jonkoping SWE 60 Jubilee"]
[Site "Jonkoping"]
[Date "1958.12.28"]
[Round "2"]
[White "Koskinen, Heikki Kaarlo"]
[Black "Kotov, Alexander"]
[Result "0-1"]
[ECO "B07"]
[PlyCount "76"]
[EventDate "1958.12.27"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "SWE"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 d6 2. d4 g6 3. Nc3 Bg7 4. Be2 c6 5. Be3 b5 6. Qd2 Nf6 7. f3 Nbd7 8. Nh3 Nb6 9. Nf2 0-0 10. 0-0 Be6 11. Bh6 b4 12. Ncd1 Nc4 13. Bxc4 Bxh6 14. Qxh6 Bxc4 15. Re1 Qb6 16. e5 Nd5 17. Re4 f6 18. exd6 exd6 19. Ne3 Nxe3 20. Qxe3 f5 21. Re7 Rf7 22. b3 Bd5 23. Rd1 Qd8 24. Rxf7 Bxf7 25. Qf4 a5 26. h4 Qe7 27. Nd3 Re8 28. Re1 Qf6 29. Rxe8+ Bxe8 30. Qe3 Bf7 31. g3 Kg7 32. Kg2 h6 33. Nf2 g5 34. hxg5 hxg5 35. g4 f4 36. Qd2 Bd5 37. Qd3 Qe6 38. Kh2 Qe3 0-1

[Event "Jonkoping SWE 60 Jubilee"]
[Site "Jonkoping"]
[Date "1958.12.27"]
[Round "1"]
[White "Ek, Hans"]
[Black "Koskinen, Heikki Kaarlo"]
[Result "1/2-1/2"]
[ECO "D83"]
[PlyCount "81"]
[EventDate "1958.12.27"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "SWE"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 0-0 6. Rc1 c5 7. dxc5 Qa5 8. Qa4 Qxc5 9. Qb5 Qxb5 10. Nxb5 Na6 11. Nf3 Bd7 12. Nc3 Rac8 13. cxd5 Nxd5 14. Be5 Nxc3 15. Rxc3 Nb4 16. Bxg7 Kxg7 17. Bc4 Bc6 18. 0-0 Rfd8 19. a3 Bxf3 20. gxf3 Nd5 21. Rcc1 Nb6 22. Bb3 Rd2 23. Rxc8 Nxc8 24. Rb1 Nd6 25. Kf1 b6 26. Ke1 Rd3 27. Ba2 Nb7 28. Ke2 Rd7 29. Rc1 Nd6 30. Rc6 Kf8 31. Bb3 e6 32. Rc1 Ke7 33. Ba4 b5 34. Bb3 Rd8 35. Rc7+ Rd7 36. Rc1 Kd8 37. Rc6 Nb7 38. Rc1 Rc7 39. Rd1+ Ke7 40. Ba2 Rc2+ 41. Rd2 1/2-1/2

[Event "Olympiad-13 Final B"]
[Site "Munich"]
[Date "1958.10.22"]
[Round "11"]
[White "Koskinen, Heikki Kaarlo"]
[Black "Gudmundsson, Arinbjorn"]
[Result "1/2-1/2"]
[ECO "B53"]
[PlyCount "38"]
[EventDate "1958.10.11"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Finland"]
[BlackTeam "Iceland"]
[WhiteTeamCountry "FIN"]
[BlackTeamCountry "ISL"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 d6 4. d4 cxd4 5. Qxd4 Bd7 6. Bxc6 bxc6 7. c4 c5 8. Qd3 g6 9. Nc3 Bg7 10. 0-0 Nf6 11. h3 0-0 12. Be3 Qc7 13. Bg5 Bc6 14. Rfe1 Qb7 15. Nd5 Bxd5 16. exd5 Rfe8 17. Re2 Nd7 18. Bf4 Bf8 19. Rae1 Qc7 1/2-1/2

[Event "Olympiad-13 Final B"]
[Site "Munich"]
[Date "1958.10.21"]
[Round "10"]
[White "Arnlind, Eric Alfons"]
[Black "Koskinen, Heikki Kaarlo"]
[Result "1/2-1/2"]
[ECO "B16"]
[PlyCount "37"]
[EventDate "1958.10.11"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Sweden"]
[BlackTeam "Finland"]
[WhiteTeamCountry "SWE"]
[BlackTeamCountry "FIN"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ gxf6 6. Ne2 Bf5 7. Ng3 Bg6 8. c3 e6 9. h4 h6 10. Bd3 Bxd3 11. Qxd3 Nd7 12. Bd2 Qc7 13. 0-0-0 0-0-0 14. Qf3 f5 15. Bf4 Bd6 16. Nh5 Nb6 17. Bxd6 Qxd6 18. Nf4 Rhg8 19. g3 1/2-1/2

[Event "Olympiad-13 Final B"]
[Site "Munich"]
[Date "1958.10.20"]
[Round "9"]
[White "Bilek, Istvan"]
[Black "Koskinen, Heikki Kaarlo"]
[Result "1-0"]
[ECO "D77"]
[PlyCount "109"]
[EventDate "1958.10.11"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Hungary"]
[BlackTeam "Finland"]
[WhiteTeamCountry "HUN"]
[BlackTeamCountry "FIN"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 0-0 5. d4 d5 6. c4 dxc4 7. Na3 c5 8. Nxc4 Na6 9. b3 Ne4 10. Bb2 b5 11. Nce5 Bb7 12. Ng5 Nd6 13. d5 h6 14. Nh3 Rc8 15. Qd2 c4 16. Rac1 Nc5 17. bxc4 bxc4 18. Nc6 Bxc6 19. Bxg7 Kxg7 20. dxc6 Kh7 21. Qe3 Ne6 22. Nf4 Nf5 23. Qxa7 Nxf4 24. gxf4 Qd2 25. e3 Nh4 26. Qd7 Qxa2 27. Be4 e6 28. Rc2 Qa5 29. Rxc4 Qh5 30. Qd1 Qb5 31. Qe2 Rc7 32. Rb1 Qa5 33. Kf1 Nf5 34. Rcb4 Nd6 35. Bg2 Rfc8 36. Qb2 Qa6+ 37. Kg1 Nf5 38. Qf6 Nd6 39. Rd4 Ne8 40. Qe5 Qa2 41. Rbd1 Qb2 42. h3 Kg8 43. Bf3 Ra8 44. R1d2 Qa1+ 45. Kg2 Ra5 46. Qe4 Nf6 47. Rd8+ Kg7 48. Qb4 Qa3 49. Qb6 Raa7 50. Rb8 Qa5 51. Qd4 Ra8 52. Rdb2 Rxb8 53. Rxb8 Re7 54. Qd6 Qc7 55. Qb4 1-0

[Event "Olympiad-13 Final B"]
[Site "Munich"]
[Date "1958.10.17"]
[Round "6"]
[White "Koskinen, Heikki Kaarlo"]
[Black "De Greif, Boris"]
[Result "1/2-1/2"]
[ECO "B31"]
[PlyCount "33"]
[EventDate "1958.10.11"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Finland"]
[BlackTeam "Columbia"]
[WhiteTeamCountry "FIN"]
[BlackTeamCountry "COL"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. 0-0 Bg7 5. c3 Nf6 6. Re1 0-0 7. d4 cxd4 8. cxd4 d6 9. h3 a6 10. Bf1 e5 11. Nc3 exd4 12. Nxd4 d5 13. Nxc6 bxc6 14. exd5 Nxd5 15. Nxd5 cxd5 16. Qf3 Be6 17. Rd1 1/2-1/2

[Event "Olympiad-13 Final B"]
[Site "Munich"]
[Date "1958.10.15"]
[Round "5"]
[White "Kostro, Jerzy"]
[Black "Koskinen, Heikki Kaarlo"]
[Result "1/2-1/2"]
[ECO "B16"]
[PlyCount "145"]
[EventDate "1958.10.11"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[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. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ gxf6 6. Ne2 Bf5 7. Ng3 Bg6 8. Bc4 e6 9. 0-0 Qc7 10. Nh5 Nd7 11. Bf4 Qa5 12. Ng3 0-0-0 13. Qe2 h5 14. h4 Bh6 15. Bd6 Bf8 16. Bxf8 Rdxf8 17. c3 f5 18. Qf3 Qd8 19. Qf4 Rfg8 20. Rfe1 Bh7 21. f3 Nf8 22. Kf2 Ng6 23. Qg5 Qxg5 24. hxg5 Nf4 25. Rh1 Rxg5 26. Rh4 Rhg8 27. Rxf4 Rxg3 28. Rg1 R3g7 29. Rh4 Bg6 30. f4 Kd7 31. Be2 f6 32. g3 Rh7 33. Rgh1 Rgh8 34. Re1 Kd6 35. Bc4 Re8 36. Be2 c5 37. dxc5+ Kxc5 38. Rd1 Kc6 39. Bf3+ Kc7 40. Be2 Rd8 41. Rxd8 Kxd8 42. Rh1 Kc7 43. Ke3 e5 44. a3 a5 45. Rh4 b6 46. Kf2 Kd6 47. Ke3 Re7 48. Kf2 Rh7 49. Ke3 Re7 50. Kf2 Rh7 51. Ke3 Kc5 52. Rh1 Kc6 53. Bf3+ Kc7 54. Be2 Kc6 55. Bf3+ Kc7 56. Be2 Rh8 57. Rh4 Bf7 58. Bd3 Rg8 59. Kf2 Bg6 60. Be2 Rh8 61. Ke3 Kd6 62. Rh1 Bf7 63. Rd1+ Ke7 64. Rh1 Rg8 65. Kf2 Rh8 66. Rh4 Kd6 67. Rh1 Bd5 68. Rxh5 Rxh5 69. Bxh5 Kc5 70. Be2 Bc4 71. Bd1 Bd5 72. Ke3 Kc4 73. Kd2 1/2-1/2

[Event "Olympiad-13 Final B"]
[Site "Munich"]
[Date "1958.10.14"]
[Round "4"]
[White "Siemms, Ross E"]
[Black "Koskinen, Heikki Kaarlo"]
[Result "0-1"]
[ECO "A16"]
[PlyCount "86"]
[EventDate "1958.10.11"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[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. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. g3 g6 5. Bg2 Nxc3 6. bxc3 Bg7 7. Rb1 c6 8. Nf3 0-0 9. 0-0 e5 10. d4 Nd7 11. a4 exd4 12. cxd4 Nb6 13. e4 Bg4 14. Bb2 Qd7 15. Re1 Rad8 16. Qb3 Bxf3 17. Bxf3 Bxd4 18. a5 Nc8 19. Red1 c5 20. Bxd4 cxd4 21. Qxb7 Qe6 22. Rd3 Qa2 23. Qb4 Ne7 24. Rb2 Qe6 25. e5 Nf5 26. Qc5 Rc8 27. Qxa7 Qxe5 28. Re2 Rc1+ 29. Kg2 Qb5 30. Ra3 Qb1 31. Be4 Rg1+ 32. Kf3 Qc1 33. Raa2 Qg5 34. Red2 Re8 35. Qd7 Nh4+ 36. Ke2 Rxe4+ 37. Kd3 Nf3 38. Kxe4 Nxd2+ 39. Kd3 Nf3 40. Qd8+ Kg7 41. a6 Qb5+ 42. Ke4 f5+ 43. Kxf3 Qd3+ 0-1

[Event "Olympiad-13 Final B"]
[Site "Munich"]
[Date "1958.10.12"]
[Round "2"]
[White "Koskinen, Heikki Kaarlo"]
[Black "Catozzi, Henry"]
[Result "0-1"]
[ECO "C91"]
[PlyCount "86"]
[EventDate "1958.10.11"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[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. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Be7 7. Re1 0-0 8. d4 d6 9. c3 Bg4 10. d5 Na5 11. Bc2 c5 12. h3 Bd7 13. Nbd2 Ne8 14. g4 g6 15. Kh2 Ng7 16. Rg1 Nb7 17. Nf1 f6 18. Ng3 Rf7 19. Bh6 c4 20. Qe2 Nc5 21. Rg2 Bf8 22. Rag1 Ra7 23. Nh4 Bc8 24. Qd2 Nd3 25. Bxd3 cxd3 26. Ngf5 gxf5 27. gxf5 Qc7 28. Qxd3 Qc4 29. Qe3 Rac7 30. Qf3 b4 31. cxb4 Qxb4 32. Ng6 hxg6 33. fxg6 Rfe7 34. h4 f5 35. Bxg7 Rxg7 36. h5 Qxe4 37. Qxe4 fxe4 38. h6 Rge7 39. g7 Bxg7 40. hxg7 Rxg7 41. Rxg7+ Rxg7 42. Rc1 Bb7 43. Re1 Kf7 0-1

[Event "Olympiad-13 Preliminaries B"]
[Site "Munich"]
[Date "1958.10.09"]
[Round "9"]
[White "Koskinen, Heikki Kaarlo"]
[Black "Isaacson, David"]
[Result "1/2-1/2"]
[ECO "C81"]
[PlyCount "77"]
[EventDate "1958.10.01"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Finland"]
[BlackTeam "South Africa"]
[WhiteTeamCountry "FIN"]
[BlackTeamCountry "RSA"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Qe2 Be7 10. Rd1 Nc5 11. c4 d4 12. cxb5 d3 13. Qf1 Bxb3 14. axb3 axb5 15. Rxa8 Qxa8 16. Be3 0-0 17. Bxc5 Bxc5 18. Rxd3 Rd8 19. Rxd8+ Qxd8 20. Qxb5 Qd1+ 21. Qf1 Qxb3 22. Qe2 Nd4 23. Nxd4 Bxd4 24. Nc3 Bxc3 25. Qd3 Qb8 26. bxc3 Qe8 27. h3 h6 28. Qd5 Qe7 29. f4 g6 30. Kh2 Kg7 31. c4 c5 32. Kg3 Qc7 33. Qe4 Qd7 34. Qd5 Qc7 35. Kh2 h5 36. Qe4 Qd7 37. Qe3 Qe7 38. Qc3 Qe6 39. Kg3 1/2-1/2

[Event "Olympiad-13 Preliminaries B"]
[Site "Munich"]
[Date "1958.10.05"]
[Round "5"]
[White "Halvorsen, Trygve"]
[Black "Koskinen, Heikki Kaarlo"]
[Result "0-1"]
[ECO "B11"]
[PlyCount "158"]
[EventDate "1958.10.01"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Norway"]
[BlackTeam "Finland"]
[WhiteTeamCountry "NOR"]
[BlackTeamCountry "FIN"]

1. e4 c6 2. Nc3 d5 3. Nf3 Bg4 4. h3 Bxf3 5. Qxf3 Nf6 6. d3 e6 7. g4 Bb4 8. Bd2 Qb6 9. 0-0-0 Nbd7 10. g5 Ng8 11. d4 Ne7 12. Kb1 dxe4 13. Nxe4 Nf5 14. Bxb4 Qxb4 15. c3 Qe7 16. Bd3 0-0-0 17. Rhe1 g6 18. Qf4 h6 19. h4 hxg5 20. hxg5 Rh4 21. Qc1 Nd6 22. f4 Nxe4 23. Bxe4 Qd6 24. Rf1 Nb6 25. Rf2 Kb8 26. Rh1 Rdh8 27. Rxh4 Rxh4 28. Qe3 Rh8 29. Qg3 a5 30. Rh2 Rd8 31. Bf3 a4 32. Rh7 Rd7 33. Qh2 a3 34. b3 Ka7 35. Qd2 Kb8 36. Kc2 Nd5 37. Bxd5 Qxd5 38. Qe2 Qf5+ 39. Kd2 Qxf4+ 40. Qe3 Qxe3+ 41. Kxe3 Kc7 42. c4 Kd6 43. Rh8 e5 44. Ra8 Re7 45. Rxa3 exd4+ 46. Kxd4 c5+ 47. Kd3 Re5 48. Ra7 Kc6 49. Ra8 Rxg5 50. Rf8 Rf5 51. Ke4 Kd6 52. Rb8 Re5+ 53. Kf4 Rf5+ 54. Ke4 Kc7 55. Rf8 Kb6 56. a3 Rf2 57. Ke3 Rb2 58. Rxf7 Rxb3+ 59. Kd2 Rg3 60. Kc2 g5 61. Kb2 g4 62. Rg7 Rg1 63. Kb3 Ka5 64. Rc7 Rg3+ 65. Kb2 Kb6 66. Rg7 Rg1 67. Kb3 g3 68. Ka4 g2 69. Rg6+ Kc7 70. Ka5 Kd7 71. a4 Ke7 72. Kb6 Rb1+ 73. Ka5 b6+ 74. Ka6 g1Q 75. Rxg1 Rxg1 76. Kxb6 Kd6 77. a5 Rb1+ 78. Ka7 Kc6 79. a6 Rb6 0-1

[Event "Olympiad-13 Preliminaries B"]
[Site "Munich"]
[Date "1958.10.03"]
[Round "3"]
[White "Koskinen, Heikki Kaarlo"]
[Black "Thorbergsson, Freysteinn"]
[Result "1/2-1/2"]
[ECO "C04"]
[PlyCount "97"]
[EventDate "1958.10.01"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Finland"]
[BlackTeam "Iceland"]
[WhiteTeamCountry "FIN"]
[BlackTeamCountry "ISL"]

1. e4 e6 2. d4 d5 3. Nd2 Nc6 4. Ngf3 Nf6 5. e5 Nd7 6. Nb3 a5 7. a4 b6 8. c3 Be7 9. Bd3 Ba6 10. Bxa6 Rxa6 11. 0-0 0-0 12. Bd2 Ncb8 13. Nc1 c5 14. Nd3 Nc6 15. Qe2 Ra7 16. Rfb1 Qa8 17. Qe3 Rc8 18. Qf4 cxd4 19. cxd4 Nb4 20. Nfe1 Nb8 21. Rc1 N8c6 22. Bc3 Rac7 23. Qd2 Qa6 24. g3 h6 25. Kg2 Bf8 26. Qd1 Qa8 27. Kg1 Na6 28. Rc2 Ncb4 29. Bxb4 axb4 30. Rac1 Rxc2 31. Rxc2 Rc4 32. Nc1 Qc6 33. b3 Rxc2 34. Qxc2 Nb8 35. Qxc6 Nxc6 36. Nc2 g5 37. f4 gxf4 38. gxf4 f6 39. exf6 Bd6 40. Nd3 Na5 41. f5 Kf7 42. fxe6+ Kxf6 43. e7 Kxe7 44. Na1 Ke6 45. Kg2 Kf5 46. Kf3 Kg5 47. h3 Kf5 48. Ke2 Nc6 49. Nc2 1/2-1/2

[Event "Zonal-3 North- and Eastern Europe"]
[Site "Marianske Lazne/ Prague"]
[Date "1954.06.27"]
[Round "19"]
[White "Pachman, Ludek"]
[Black "Koskinen, Heikki Kaarlo"]
[Result "1-0"]
[ECO "E14"]
[PlyCount "73"]
[EventDate "1954.05.28"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "CSR"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. e3 Bb7 5. Bd3 Be7 6. 0-0 0-0 7. b3 c5 8. Nc3 Nc6 9. Bb2 d5 10. Rc1 Rc8 11. Qe2 cxd4 12. exd4 Ba6 13. Nb5 dxc4 14. bxc4 Bxb5 15. cxb5 Nb4 16. Bb1 Bd6 17. Ne5 g6 18. g3 Nd7 19. a3 Rxc1 20. Rxc1 Nd5 21. Nc6 Qg5 22. h4 Nf4 23. Qf1 Qg4 24. Re1 f5 25. Ba2 Rf6 26. Ne5 Nxe5 27. dxe5 Bc5 28. Kh2 Rf8 29. Rc1 Nd5 30. f3 Qh5 31. Bxd5 exd5 32. Qd3 f4 33. Qxd5+ Rf7 34. Rc4 g5 35. e6 fxg3+ 36. Kg2 Rg7 37. e7+ 1-0

[Event "Zonal-3 North- and Eastern Europe"]
[Site "Marianske Lazne/ Prague"]
[Date "1954.??.??"]
[Round "11"]
[White "Kluger, Gyula"]
[Black "Koskinen, Heikki Kaarlo"]
[Result "1/2-1/2"]
[ECO "E90"]
[PlyCount "135"]
[EventDate "1954.05.28"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "CSR"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. h3 e5 7. Be3 Nbd7 8. Qd2 exd4 9. Nxd4 Re8 10. f3 Nh5 11. Bg5 f6 12. Bh4 Ne5 13. 0-0-0 Nf7 14. Qc2 c6 15. Kb1 Qe7 16. Bf2 Nf4 17. h4 Ne6 18. h5 Nxd4 19. Bxd4 g5 20. g3 h6 21. Be2 Nd8 22. f4 Ne6 23. Be3 Nc7 24. Rhe1 Be6 25. Rd2 Red8 26. Red1 Ne8 27. Bd4 Qf7 28. fxg5 fxg5 29. Bxg7 Qxg7 30. e5 Qxe5 31. Qg6+ Ng7 32. g4 Bf7 33. Qxh6 Ne8 34. Bd3 Qg7 35. Qxg7+ Kxg7 36. Re1 Rd7 37. Bf5 Rc7 38. Rde2 Kf8 39. h6 Bxc4 40. h7 Rxh7 41. Bxh7 Bxe2 42. Rxe2 Nf6 43. Bf5 d5 44. Na4 Re8 45. Rxe8+ Nxe8 46. Nc5 Nd6 47. Ne6+ Ke7 48. Nxg5 b6 49. Bc2 c5 50. Nf3 Ke6 51. g5 b5 52. g6 Ne8 53. Kc1 a5 54. Kd2 a4 55. Ke3 Kf6 56. Nh2 Nd6 57. Ng4+ Kg7 58. Kf4 d4 59. Kg5 c4 60. Nf2 Nc8 61. Kf4 Ne7 62. Ne4 Nc6 63. a3 c3 64. bxc3 dxc3 65. Bd1 b4 66. Bxa4 c2 67. Bxc2 bxa3 68. Nc3 1/2-1/2

[Event "Zonal-3 North- and Eastern Europe"]
[Site "Marianske Lazne/ Prague"]
[Date "1954.??.??"]
[Round "7"]
[White "Koskinen, Heikki Kaarlo"]
[Black "Balanel, Ion"]
[Result "1/2-1/2"]
[ECO "C91"]
[PlyCount "81"]
[EventDate "1954.05.28"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "CSR"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 0-0 8. d4 d6 9. c3 Bg4 10. Bd5 Nxd5 11. exd5 Na5 12. h3 Bh5 13. dxe5 Nc4 14. g4 Bg6 15. exd6 Bxd6 16. Nbd2 Nb6 17. Ne5 Nxd5 18. Ndf3 Nb6 19. Bg5 Qc8 20. Nc6 Qb7 21. Nfd4 f6 22. Qf3 Kh8 23. Bf4 Bxf4 24. Qxf4 Rae8 25. Qf3 Bf7 26. Ne7 Qxf3 27. Nxf3 Nd5 28. Nxd5 Bxd5 29. Nd4 Kg8 30. f4 Kf7 31. Kf2 g6 32. Nc2 Be4 33. Ne3 f5 34. Rad1 Rd8 35. Rxd8 Rxd8 36. Rd1 Rxd1 37. Nxd1 fxg4 38. hxg4 h5 39. gxh5 gxh5 40. b4 h4 41. Ne3 1/2-1/2

[Event "Zonal-3 North- and Eastern Europe"]
[Site "Marianske Lazne/ Prague"]
[Date "1954.??.??"]
[Round "10"]
[White "Koskinen, Heikki Kaarlo"]
[Black "Barcza, Gedeon"]
[Result "0-1"]
[ECO "B51"]
[PlyCount "81"]
[EventDate "1954.05.28"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "CSR"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. c3 Ngf6 5. Qe2 e5 6. 0-0 Be7 7. d4 Qc7 8. dxe5 dxe5 9. a4 0-0 10. Bg5 Rd8 11. Bxd7 Bxd7 12. c4 Bc6 13. Bxf6 Bxf6 14. Nc3 Rd6 15. Nd5 Bxd5 16. cxd5 Rb6 17. Qc2 Rb4 18. Nd2 b6 19. Nc4 Rb8 20. Rfd1 Qd7 21. Rd3 Re8 22. Rc3 Bd8 23. g3 h6 24. f3 a6 25. Kg2 f5 26. Ne3 fxe4 27. fxe4 Bg5 28. b3 Bxe3 29. Rxe3 Rc8 30. Rc3 Qg4 31. Re1 Rd4 32. h3 Qg5 33. Re2 Rf8 34. Rf3 Rxf3 35. Kxf3 b5 36. axb5 axb5 37. Kg2 c4 38. bxc4 bxc4 39. Kh2 Kh7 40. h4 Qf6 41. Kg2 0-1

[Event "Zonal-3 North- and Eastern Europe"]
[Site "Marianske Lazne/ Prague"]
[Date "1954.??.??"]
[Round "12"]
[White "Koskinen, Heikki Kaarlo"]
[Black "Basjuni, Sad Zaglul"]
[Result "1/2-1/2"]
[ECO "D96"]
[PlyCount "80"]
[EventDate "1954.05.28"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "CSR"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. cxd5 cxd5 5. Nc3 g6 6. Bg5 Bg7 7. Qb3 e6 8. e3 0-0 9. Bd3 Nc6 10. 0-0 h6 11. Bh4 a6 12. Ne5 g5 13. Nxc6 bxc6 14. Bg3 h5 15. Be5 Ng4 16. Bxg7 Kxg7 17. Nd1 Qc7 18. f4 Nf6 19. Qc2 g4 20. Qf2 Qe7 21. Qh4 Rh8 22. Rc1 Bb7 23. Nc3 Kf8 24. Na4 Nd7 25. Qxe7+ Kxe7 26. Rc3 a5 27. Rfc1 Rhc8 28. Bf1 Kd6 29. Kf2 Ba6 30. Bxa6 Rxa6 31. Kg3 f5 32. Ra3 Nf6 33. Nc5 Rb6 34. Rxa5 Rxb2 35. Ra7 h4+ 36. Kxh4 Rxg2 37. Rg7 Rxh2+ 38. Kg5 Nh7+ 39. Kg6 Nf8+ 40. Kg5 Nh7+ 1/2-1/2

[Event "Zonal-3 North- and Eastern Europe"]
[Site "Marianske Lazne/ Prague"]
[Date "1954.??.??"]
[Round "5"]
[White "Koskinen, Heikki Kaarlo"]
[Black "Bujan, Hodja"]
[Result "1-0"]
[ECO "A33"]
[PlyCount "79"]
[EventDate "1954.05.28"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "CSR"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. Nc3 cxd4 5. Nxd4 Nc6 6. g3 Be7 7. Bg2 a6 8. Nc2 Qc7 9. Bf4 d6 10. c5 e5 11. cxd6 Bxd6 12. Bg5 Be6 13. 0-0 Be7 14. Rc1 Rd8 15. Qe1 0-0 16. Bxf6 Bxf6 17. b4 Bg5 18. e3 Bc4 19. Ne2 Bd3 20. f4 Be7 21. a3 Qb6 22. Rf2 Bf6 23. Nc3 exf4 24. Nd5 Rxd5 25. Bxd5 Bb2 26. Rd1 Bxc2 27. Rxc2 fxe3 28. Kh1 Bf6 29. Bxc6 bxc6 30. Qe2 a5 31. bxa5 Qxa5 32. Qxe3 Qa4 33. Rdc1 Bd4 34. Qe4 c5 35. Rxc5 Re8 36. Rc8 Kf8 37. Rxe8+ Qxe8 38. Qxe8+ Kxe8 39. Re1+ Kd7 40. Rd1 1-0

[Event "Zonal-3 North- and Eastern Europe"]
[Site "Marianske Lazne/ Prague"]
[Date "1954.??.??"]
[Round "8"]
[White "Koskinen, Heikki Kaarlo"]
[Black "Ciocaltea, Victor"]
[Result "1/2-1/2"]
[ECO "A89"]
[PlyCount "98"]
[EventDate "1954.05.28"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "CSR"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 f5 2. c4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. g3 0-0 6. Bg2 d6 7. 0-0 Nc6 8. Qc2 e5 9. dxe5 dxe5 10. Rd1 Qe7 11. Nd5 Nxd5 12. cxd5 Nd8 13. Be3 Re8 14. Rac1 e4 15. Nd4 c6 16. dxc6 Nxc6 17. Nxc6 bxc6 18. Qxc6 Be6 19. b3 a5 20. Qa4 Qb4 21. Qxb4 axb4 22. Rc2 Bc3 23. Bf1 Red8 24. Rxd8+ Rxd8 25. Bg5 Rd7 26. Kg2 Kf7 27. Bf4 Rd4 28. Be5 Rd2 29. Rxd2 Bxd2 30. e3 Bd5 31. h4 Ke6 32. Bf4 Bc3 33. Be2 Bf6 34. Kf1 Bc3 35. Bb5 Bg7 36. Ke2 Bc3 37. Bh6 Ke7 38. Kd1 Be5 39. Bg5+ Kd6 40. Bf4 Bxf4 41. gxf4 Bf7 42. Be2 Bd5 43. Kc2 Kc5 44. Kb2 Bf7 45. a4 Be8 46. Bd1 Bf7 47. f3 h5 48. fxe4 fxe4 49. Be2 Be6 1/2-1/2

[Event "Zonal-3 North- and Eastern Europe"]
[Site "Marianske Lazne/ Prague"]
[Date "1954.??.??"]
[Round "14"]
[White "Koskinen, Heikki Kaarlo"]
[Black "Filip, Miroslav"]
[Result "1/2-1/2"]
[ECO "B47"]
[PlyCount "87"]
[EventDate "1954.05.28"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "CSR"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. g3 Nc6 6. Bg2 Nf6 7. 0-0 Qc7 8. Nb3 Be7 9. Nc3 0-0 10. Qe2 d6 11. h3 b5 12. a3 Bb7 13. Bf4 Rac8 14. Rfd1 Nd7 15. Nc1 Nde5 16. Nd3 Nd4 17. Qf1 Nc4 18. Ne2 Nc6 19. b3 Nb6 20. Bc1 Nd8 21. Rd2 Qb8 22. Bb2 e5 23. Ne1 Ne6 24. Rad1 Nd7 25. Nc3 Nf6 26. f3 Nd4 27. Ne2 Ne6 28. Nc3 Rfd8 29. Qf2 d5 30. b4 dxe4 31. fxe4 Nd4 32. Nd5 Nxd5 33. exd5 Bf6 34. Nf3 Nxf3+ 35. Bxf3 Rd6 36. Be4 Rcd8 37. Qg2 g6 38. Rd3 Bg7 39. g4 Qc8 40. Rf1 Qd7 41. g5 f6 42. gxf6 Rxf6 43. Rxf6 Bxf6 44. Bc1 1/2-1/2

[Event "Zonal-3 North- and Eastern Europe"]
[Site "Marianske Lazne/ Prague"]
[Date "1954.??.??"]
[Round "3"]
[White "Koskinen, Heikki Kaarlo"]
[Black "Olafsson, Fridrik"]
[Result "0-1"]
[ECO "C89"]
[PlyCount "54"]
[EventDate "1954.05.28"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "CSR"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 0-0 8. c3 d5 9. exd5 Nxd5 10. Nxe5 Nxe5 11. Rxe5 c6 12. d4 Bd6 13. Re1 Qh4 14. g3 Qh3 15. Be3 Bg4 16. Qd3 Kh8 17. Bxd5 cxd5 18. Qf1 Qh5 19. Nd2 f5 20. f4 Rae8 21. Nb3 g5 22. Bd2 Re4 23. Nc5 gxf4 24. Qf2 fxg3 25. hxg3 Bf3 26. Qh2 Qxh2+ 27. Kxh2 Rh4+ 0-1

[Event "Zonal-3 North- and Eastern Europe"]
[Site "Marianske Lazne/ Prague"]
[Date "1954.??.??"]
[Round "16"]
[White "Koskinen, Heikki Kaarlo"]
[Black "Palmason, Gudmundur"]
[Result "1/2-1/2"]
[ECO "B26"]
[PlyCount "56"]
[EventDate "1954.05.28"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "CSR"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 e6 6. Be3 Qa5 7. Nge2 Nd4 8. Qd2 Ne7 9. 0-0 d6 10. Nc1 Qb6 11. Nd1 0-0 12. c3 Ndc6 13. b4 Qc7 14. bxc5 dxc5 15. Bxc5 b6 16. Bxe7 Nxe7 17. e5 Nc6 18. f4 Ba6 19. Nf2 f5 20. exf6 Bxf6 21. Ne2 Rad8 22. Qe3 Rfe8 23. Rad1 Bg7 24. Qf3 Ne7 25. Ne4 Nf5 26. Rfe1 Nd6 27. Nxd6 Rxd6 28. Rd2 Bxc3 1/2-1/2

[Event "Zonal-3 North- and Eastern Europe"]
[Site "Marianske Lazne/ Prague"]
[Date "1954.??.??"]
[Round "18"]
[White "Koskinen, Heikki Kaarlo"]
[Black "Sajtar, Jaroslav"]
[Result "1/2-1/2"]
[ECO "B52"]
[PlyCount "20"]
[EventDate "1954.05.28"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "CSR"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. 0-0 Nc6 6. Qe2 Nf6 7. c3 e6 8. d4 cxd4 9. cxd4 d5 10. e5 Ne4 1/2-1/2

[Event "Zonal-3 North- and Eastern Europe"]
[Site "Marianske Lazne/ Prague"]
[Date "1954.??.??"]
[Round "1"]
[White "Koskinen, Heikki Kaarlo"]
[Black "Solin, Ilmari"]
[Result "1/2-1/2"]
[ECO "B30"]
[PlyCount "64"]
[EventDate "1954.05.28"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "CSR"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 Qc7 4. 0-0 a6 5. Bxc6 dxc6 6. h3 e5 7. d3 h6 8. a4 a5 9. Na3 Be6 10. Qe1 Ne7 11. Qc3 Ng6 12. b3 Be7 13. Nc4 f6 14. Qe1 b6 15. Kh1 Rb8 16. Ng1 Qd7 17. Qe3 Nf4 18. Qf3 g5 19. Bxf4 gxf4 20. g3 fxg3 21. fxg3 Kd8 22. Kh2 Kc7 23. Ne3 h5 24. h4 Rbg8 25. Nf5 Bf8 26. Ne2 Bxf5 27. Qxf5 Be7 28. Qxd7+ Kxd7 29. Nc3 Rg4 30. Rf5 Ke6 31. Rg1 Bd8 32. Nd1 Rg7 1/2-1/2

[Event "Zonal-3 North- and Eastern Europe"]
[Site "Marianske Lazne/ Prague"]
[Date "1954.??.??"]
[Round "17"]
[White "Lundin, Erik"]
[Black "Koskinen, Heikki Kaarlo"]
[Result "1-0"]
[ECO "D75"]
[PlyCount "69"]
[EventDate "1954.05.28"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "CSR"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 0-0 5. c4 d5 6. cxd5 Nxd5 7. d4 c5 8. e4 Nb6 9. d5 e6 10. Nc3 exd5 11. exd5 h6 12. Be3 Na6 13. Qb3 Bf5 14. Rfd1 Re8 15. Nd2 Bd3 16. Bf1 Bxf1 17. Nxf1 Qd7 18. a4 Qg4 19. a5 Qc4 20. Qc2 Nd7 21. Nd2 Qg4 22. Nce4 Qf5 23. Qb3 Reb8 24. Bf4 Be5 25. Nd6 Qh3 26. Qf3 Bxf4 27. Qxf4 Rf8 28. N2c4 Rab8 29. Ra3 Nb4 30. Ne3 Qh5 31. Rc3 b6 32. axb6 axb6 33. Rc4 Kg7 34. h4 Kh7 35. Re4 1-0

[Event "Zonal-3 North- and Eastern Europe"]
[Site "Marianske Lazne/ Prague"]
[Date "1954.??.??"]
[Round "13"]
[White "Minev, Nikolay Nikolaev"]
[Black "Koskinen, Heikki Kaarlo"]
[Result "1-0"]
[ECO "E60"]
[PlyCount "117"]
[EventDate "1954.05.28"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "CSR"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. f3 c5 4. dxc5 Qa5+ 5. Nc3 Qxc5 6. e4 Bg7 7. Qd3 d6 8. Be3 Qa5 9. Nge2 Nc6 10. Qd2 Be6 11. Nd4 Nxd4 12. Bxd4 0-0 13. Be2 Rac8 14. b3 a6 15. Rd1 Nd7 16. Nb1 Qxd2+ 17. Rxd2 Rfd8 18. Na3 Bxd4 19. Rxd4 Ne5 20. Kf2 Rc5 21. Rhd1 Rdc8 22. R4d2 f6 23. Nc2 R5c7 24. Ne3 g5 25. g3 Ng6 26. Bd3 a5 27. Ng2 Kh8 28. Ne3 Ra8 29. Rb1 Kg7 30. Nc2 Bf7 31. Nd4 Rc5 32. Be2 Kf8 33. Ke3 Ne5 34. f4 gxf4+ 35. gxf4 Nc6 36. Nb5 Nd8 37. Rg1 Be8 38. Nd4 Bd7 39. Bf3 e5 40. Ne2 Nf7 41. Bh5 Ra6 42. f5 d5 43. Bxf7 Kxf7 44. Rxd5 Rxd5 45. cxd5 a4 46. b4 Ra8 47. Rc1 Ke7 48. a3 Kd6 49. Rg1 Rc8 50. Kd2 Be8 51. Rg8 Ke7 52. Rg7+ Bf7 53. Rxh7 Rg8 54. Nc3 Ke8 55. Nxa4 Rg2+ 56. Kd3 Ra2 57. Kc4 Rxa3 58. Rh8+ Ke7 59. Nc3 1-0

[Event "Zonal-3 North- and Eastern Europe"]
[Site "Marianske Lazne/ Prague"]
[Date "1954.??.??"]
[Round "9"]
[White "Pedersen, Eigil"]
[Black "Koskinen, Heikki Kaarlo"]
[Result "1/2-1/2"]
[ECO "E26"]
[PlyCount "47"]
[EventDate "1954.05.28"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "CSR"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Bd3 Bb7 8. f3 Nc6 9. Ne2 0-0 10. e4 Ne8 11. Be3 d6 12. 0-0 Na5 13. Ng3 Qd7 14. a4 Ba6 15. Qe2 cxd4 16. cxd4 Rc8 17. Rac1 Qxa4 18. c5 Bxd3 19. Qxd3 dxc5 20. dxc5 Nf6 21. cxb6 axb6 22. Bxb6 Nc4 23. Bf2 Rfd8 24. Qc2 1/2-1/2

[Event "Zonal-3 North- and Eastern Europe"]
[Site "Marianske Lazne/ Prague"]
[Date "1954.??.??"]
[Round "15"]
[White "Sliwa, Bogdan Stanislaw"]
[Black "Koskinen, Heikki Kaarlo"]
[Result "1-0"]
[ECO "D87"]
[PlyCount "75"]
[EventDate "1954.05.28"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "CSR"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 b6 8. Ne2 0-0 9. Be3 Bb7 10. f3 Nd7 11. 0-0 c5 12. Qd2 Qc7 13. Rac1 Rad8 14. Bg5 Ne5 15. Bb5 a6 16. Bd3 Nxd3 17. Qxd3 Rd7 18. Qe3 e5 19. Bh6 Re8 20. d5 b5 21. Bxg7 Kxg7 22. Rf2 Qd6 23. Ng3 Kh8 24. h4 Rf8 25. h5 f5 26. Qh6 Rf6 27. hxg6 Rxg6 28. Qh3 f4 29. Nf5 Qf6 30. Nh4 Rgg7 31. Nf5 Rg6 32. Nh4 Rgg7 33. Qe6 Rdf7 34. Rd1 Ba8 35. Nf5 Rg6 36. Qc8+ Rf8 37. Qxc5 Bb7 38. d6 1-0

[Event "Zonal-3 North- and Eastern Europe"]
[Site "Marianske Lazne/ Prague"]
[Date "1954.??.??"]
[Round "4"]
[White "Stahlberg, Gideon"]
[Black "Koskinen, Heikki Kaarlo"]
[Result "1-0"]
[ECO "D75"]
[PlyCount "61"]
[EventDate "1954.05.28"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "CSR"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 d5 5. cxd5 Nxd5 6. Nf3 0-0 7. 0-0 c5 8. e4 Nf6 9. e5 Nd5 10. dxc5 Nb4 11. Nc3 N4a6 12. Bg5 Nc6 13. Qe2 Bg4 14. Rfd1 Qc8 15. Nd5 Re8 16. Qe3 Bxf3 17. Bxf3 Qf5 18. b4 Naxb4 19. Nxb4 Nxb4 20. Be4 Qc8 21. Rab1 Nc6 22. Bd5 e6 23. Bg2 Qc7 24. Bf6 Bf8 25. Rd6 Rac8 26. Bxc6 bxc6 27. Rb4 Qa5 28. Rh4 Rb8 29. Rdd4 Rb1+ 30. Kg2 Qb5 31. Rc4 1-0

[Event "Zonal-3 North- and Eastern Europe"]
[Site "Marianske Lazne/ Prague"]
[Date "1954.??.??"]
[Round "2"]
[White "Szabo, Laszlo"]
[Black "Koskinen, Heikki Kaarlo"]
[Result "1-0"]
[ECO "D99"]
[PlyCount "59"]
[EventDate "1954.05.28"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "CSR"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 d5 3. d4 g6 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 0-0 7. e4 Bg4 8. Be3 Nfd7 9. Rd1 Nb6 10. Qb3 Nc6 11. d5 Ne5 12. Be2 Nxf3+ 13. gxf3 Bh5 14. f4 Bxe2 15. Kxe2 Qd7 16. h4 c6 17. h5 Rfe8 18. hxg6 hxg6 19. f5 cxd5 20. Nxd5 Nxd5 21. Rxd5 Qc6 22. fxg6 e6 23. gxf7+ Kxf7 24. Rf5+ Kg8 25. Rg5 Re7 26. Rhg1 Rc8 27. f3 Rd8 28. Qc3 e5 29. Qxc6 bxc6 30. R5g4 1-0

[Event "Zonal-3 North- and Eastern Europe"]
[Site "Marianske Lazne/ Prague"]
[Date "1954.??.??"]
[Round "6"]
[White "Uhlmann, Wolfgang"]
[Black "Koskinen, Heikki Kaarlo"]
[Result "1-0"]
[ECO "E14"]
[PlyCount "85"]
[EventDate "1954.05.28"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "CSR"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. e3 Bb7 5. Bd3 Be7 6. 0-0 0-0 7. Nc3 d5 8. b3 Nbd7 9. Bb2 Re8 10. Qe2 c5 11. Rad1 cxd4 12. exd4 Qc7 13. Ne5 a6 14. f4 Bd6 15. Qf2 Ne4 16. Qc2 f5 17. cxd5 Nxc3 18. Qxc3 Qxc3 19. Bxc3 Bxe5 20. dxe5 Nc5 21. dxe6 Nxd3 22. Rxd3 Rxe6 23. Rfd1 Rae8 24. Bb4 Bc6 25. Rc3 Be4 26. Rd7 Rc6 27. Rxc6 Bxc6 28. Rd6 Rc8 29. e6 a5 30. Ba3 Be8 31. Rxb6 Rc6 32. Rxc6 Bxc6 33. g3 a4 34. bxa4 Bxa4 35. Bc5 Bc6 36. Kf2 Bd5 37. e7 Kf7 38. a4 Bc6 39. a5 Ke6 40. a6 h6 41. a7 Kf7 42. Ke3 g5 43. Kd4 1-0

