[Event "Helsinki We SKF"]
[Site "Helsinki"]
[Date "1993.??.??"]
[Round "?"]
[White "Harkonen, R."]
[Black "Vaheristo, A."]
[Result "1-0"]
[ECO "E70"]
[PlyCount "85"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "FIN"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 0-0 5. Nge2 d6 6. Ng3 c5 7. d5 a5 8. Bd3 Na6 9. a3 Bg4 10. f3 Bc8 11. Bd2 Nc7 12. Qc2 e6 13. 0-0 b6 14. Rfe1 Nd7 15. f4 Bd4+ 16. Be3 e5 17. Bxd4 cxd4 18. Nce2 Ne8 19. f5 Qf6 20. Rf1 Kh8 21. fxg6 Qxg6 22. Nf5 Qg5 23. Rf3 Ndf6 24. Neg3 Ng7 25. Nxg7 Qxg7 26. Nf5 Qg5 27. Rg3 Qh5 28. Be2 Qg6 29. Rxg6 fxg6 30. Nxd6 Bd7 31. Rf1 Ng4 32. Rxf8+ Rxf8 33. Bxg4 Bxg4 34. h3 Bd7 35. b4 Rf6 36. c5 bxc5 37. bxc5 Kg8 38. Nc4 Bb5 39. Kh2 Kf8 40. Nxe5 Ke8 41. Nf3 d3 42. Qc3 Rf4 43. Qe5+ 1-0

[Event "Helsinki We SKF"]
[Site "Helsinki"]
[Date "1993.??.??"]
[Round "?"]
[White "Salin, Juha"]
[Black "Vaheristo, A."]
[Result "1-0"]
[ECO "B30"]
[PlyCount "67"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "FIN"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d3 d6 4. g3 Bg4 5. Bg2 Nf6 6. 0-0 g6 7. c3 Bg7 8. Nbd2 b5 9. Re1 e5 10. Nf1 0-0 11. h3 Bxf3 12. Qxf3 b4 13. Qe2 a5 14. Be3 a4 15. a3 b3 16. Qd2 Ra6 17. f4 Nh5 18. Bf3 f5 19. exf5 exf4 20. Bxf4 Nxf4 21. Qxf4 Rxf5 22. Qc4+ Kf8 23. Qxa6 Ne5 24. Be4 Rf6 25. Qa8 Qxa8 26. Bxa8 Nxd3 27. Re2 g5 28. Rd1 Ne5 29. Rf2 Ke7 30. Rxf6 Bxf6 31. Ne3 Kd7 32. Ng4 Nxg4 33. hxg4 h6 34. Kg2 1-0

[Event "Helsinki We SKF"]
[Site "Helsinki"]
[Date "1993.??.??"]
[Round "?"]
[White "Tawaststjerna, Einar"]
[Black "Vaheristo, A."]
[Result "1-0"]
[ECO "D02"]
[PlyCount "87"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "FIN"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bf4 d6 4. h3 Bg7 5. e3 0-0 6. Bc4 d5 7. Be2 Nh5 8. Bh2 b6 9. 0-0 e6 10. a4 a5 11. Nbd2 c5 12. c3 Ba6 13. Bxa6 Nxa6 14. e4 dxe4 15. Nxe4 cxd4 16. cxd4 Nb4 17. Rc1 Rc8 18. Qd2 Nf6 19. Nd6 Rxc1 20. Rxc1 Ne8 21. Nb5 Nd5 22. Rc6 Qd7 23. Qc1 h6 24. Be5 f6 25. Bd6 Nxd6 26. Rxd6 Rc8 27. Qe1 Qf7 28. Rxe6 Kh7 29. Nd6 Rc1 30. Nxf7 Rxe1+ 31. Rxe1 f5 32. N7e5 Nf4 33. Nd7 Nd3 34. Rb1 g5 35. Nxb6 g4 36. hxg4 fxg4 37. Nd2 Bxd4 38. Ne4 Bxb6 39. Kf1 Bd4 40. Rd1 Bxf2 41. Rxd3 Bb6 42. Nf6+ Kg6 43. Nxg4 h5 44. Rd6+ 1-0

[Event "Helsinki We SKF"]
[Site "Helsinki"]
[Date "1993.??.??"]
[Round "?"]
[White "Vaheristo, A."]
[Black "Heikkila, Hilkka"]
[Result "1-0"]
[ECO "B07"]
[PlyCount "93"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "FIN"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 d6 2. f4 e6 3. d3 Be7 4. Nf3 g6 5. Be3 f5 6. Nbd2 b5 7. c4 b4 8. Qa4+ c6 9. Qxb4 Na6 10. Qc3 Bf6 11. Qc1 Nh6 12. h3 c5 13. g3 Nb4 14. a3 Nc6 15. Bg2 fxe4 16. dxe4 Bd4 17. Bxd4 cxd4 18. 0-0 0-0 19. b4 Nf7 20. b5 Na5 21. Nxd4 e5 22. Nc6 Nxc6 23. bxc6 Qb6+ 24. Kh2 Qxc6 25. f5 g5 26. g4 a5 27. Rb1 a4 28. Rf3 Kh8 29. Rc3 Bd7 30. c5 Be8 31. cxd6 Qxd6 32. Rc5 h5 33. Qc3 Nh6 34. Qxe5+ Qxe5+ 35. Rxe5 hxg4 36. Re6 Kh7 37. hxg4 Nxg4+ 38. Kg3 Nf6 39. Nf3 Nh5+ 40. Kg4 Nf4 41. Nxg5+ Kg7 42. Kxf4 Rh8 43. Rb7+ Kg8 44. e5 Rc8 45. Bd5 Rh4+ 46. Kg3 Rh1 47. Rxe8# 1-0

[Event "Helsinki We SKF"]
[Site "Helsinki"]
[Date "1993.??.??"]
[Round "?"]
[White "Vaheristo, A."]
[Black "Massinen, Pekka"]
[Result "0-1"]
[ECO "B21"]
[PlyCount "68"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "FIN"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. f4 d6 3. d3 Nc6 4. Be3 g6 5. Nd2 Bg7 6. c3 e5 7. Ngf3 Bh6 8. g3 b6 9. a3 Nge7 10. Qc2 d5 11. Bg2 d4 12. Bf2 exf4 13. cxd4 cxd4 14. Qa4 fxg3 15. Bxd4 0-0 16. Bf6 Qxd3 17. Rc1 Ba6 18. Rc4 Bxd2+ 19. Nxd2 Rfd8 20. Bg5 Bxc4 21. Qxc4 gxh2 22. Qxd3 Rxd3 23. Rxh2 Re8 24. Bf1 Rd7 25. Bb5 Rc8 26. Rf2 f5 27. Bc4+ Kg7 28. Be6 Rcd8 29. exf5 Nxf5 30. Bxd7 Rxd7 31. Ne4 h6 32. Bf6+ Kf7 33. Bh4 Ne5 34. Bg3 Nd3+ 0-1

[Event "Helsinki We SKF"]
[Site "Helsinki"]
[Date "1993.??.??"]
[Round "?"]
[White "Vaheristo, A."]
[Black "Wallin, E."]
[Result "1/2-1/2"]
[ECO "C00"]
[PlyCount "82"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "FIN"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e6 2. f4 d5 3. e5 f6 4. Nf3 b6 5. d4 Ba6 6. Bxa6 Nxa6 7. c3 c5 8. Qa4+ Qd7 9. Qxa6 c4 10. b3 b5 11. Ba3 Ne7 12. 0-0 Nc6 13. Bxf8 Rxf8 14. Qxb5 h6 15. bxc4 f5 16. cxd5 exd5 17. Re1 a6 18. Qa4 Qe6 19. Nbd2 Kf7 20. Rab1 Nd8 21. c4 Kg8 22. cxd5 Qxd5 23. Qb3 Qxb3 24. axb3 Ne6 25. g3 Rfd8 26. Kg2 Nxd4 27. Nxd4 Rxd4 28. Nf3 Rb4 29. e6 Kf8 30. Re5 g6 31. Nh4 Kg7 32. e7 Re8 33. Nf3 Kf6 34. h4 Rxe7 35. Rxe7 Kxe7 36. Ne5 Kf6 37. Nc6 Rb6 38. Na5 Rb5 39. b4 Rb6 40. Nc4 Rb5 41. Kh3 h5 1/2-1/2

[Event "FIN-chT"]
[Site "Finland"]
[Date "1990.??.??"]
[Round "?"]
[White "Rantanen, Matti"]
[Black "Vaheristo, A."]
[Result "0-1"]
[ECO "C41"]
[PlyCount "54"]
[EventDate "1990.??.??"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "FIN"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. h3 Nf6 4. d4 Be7 5. Bc4 0-0 6. Nc3 c5 7. dxe5 dxe5 8. Qxd8 Bxd8 9. Nxe5 Ba5 10. 0-0 Bxc3 11. bxc3 Nxe4 12. Re1 Nxc3 13. Nxf7 b5 14. Nd6+ bxc4 15. Re7 Nc6 16. Rc7 Ne2+ 17. Kf1 Nxc1 18. Rxc1 Nd4 19. Re1 Rd8 20. Ree7 Be6 21. c3 Rxd6 22. cxd4 cxd4 23. Rxg7+ Kf8 24. Rxh7 d3 25. Rh8+ Bg8 26. Ke1 d2+ 27. Kd1 Re8 0-1

