[Event "FIN-chT1B 1819"]
[Site "Finland"]
[Date "2019.02.09"]
[Round "6.5"]
[White "Tahvanainen, Antti"]
[Black "Tumanov, Dmitri"]
[Result "0-1"]
[ECO "B30"]
[BlackElo "2161"]
[PlyCount "78"]
[EventDate "2018.09.15"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "FIN"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Kuopio KSY"]
[BlackTeam "Vantaa Gambitti"]
[WhiteTeamCountry "FIN"]
[BlackTeamCountry "FIN"]

1. e4 c5 2. c3 e6 3. Bb5 Nc6 4. Nf3 Nf6 5. d3 d5 6. e5 Nd7 7. Qe2 Qa5 8. Bxc6 bxc6 9. Bd2 Rb8 10. c4 Qa6 11. Bc1 g6 12. 0-0 Bg7 13. Na3 0-0 14. b3 f6 15. exf6 Bxf6 16. Qxe6+ Kg7 17. Rb1 Ne5 18. Qd6 Nxf3+ 19. gxf3 Bf5 20. Re1 Rbe8 21. Qc7+ Kg8 22. Bh6 Rc8 23. Qd6 Qxa3 24. Bxf8 Rxf8 25. Qxc6 d4 26. Re8 Rxe8 27. Qxe8+ Kg7 28. Qe2 Qa5 29. Rd1 Kf7 30. Kg2 Qc7 31. Re1 Qd7 32. f4 Qc6+ 33. f3 Bh4 34. Rd1 Qd6 35. Qd2 Qe6 36. a3 Bh3+ 37. Kh1 Qe3 38. b4 Qxf3+ 39. Kg1 Bf2+ 0-1

[Event "FIN-chT1B 0506"]
[Site "Finland"]
[Date "2006.01.14"]
[Round "5.6"]
[White "Broman, Hannu"]
[Black "Tahvanainen, Antti"]
[Result "1/2-1/2"]
[ECO "D12"]
[PlyCount "93"]
[EventDate "2005.09.17"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Helsinki SSK"]
[BlackTeam "Espoo MatSK II"]
[WhiteTeamCountry "FIN"]
[BlackTeamCountry "FIN"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 Bf5 5. e3 e6 6. Bd3 Bg4 7. 0-0 b6 8. cxd5 Nxd5 9. e4 Nf6 10. e5 Nd5 11. Be2 Bb4 12. Ne4 h6 13. Ng3 0-0 14. h3 Bxf3 15. Bxf3 Re8 16. Ne4 Nd7 17. Bh5 Bf8 18. Qf3 g6 19. Qg3 Kh7 20. Be2 Ne7 21. Nd6 Nf5 22. Nxf5 exf5 23. Bc4 Re7 24. f4 b5 25. Bb3 Nb6 26. Rd1 Nd5 27. Qf3 Qd7 28. Bd2 h5 29. Be1 Bh6 30. Bh4 Ree8 31. Bxd5 Qxd5 32. Qxd5 cxd5 33. g3 Rec8 34. Rac1 Bf8 35. Kg2 Kg8 36. g4 fxg4 37. hxg4 hxg4 38. Kg3 Bb4 39. Bf6 Kf8 40. Kxg4 Ke8 41. f5 gxf5+ 42. Kxf5 Kd7 43. a3 Bf8 44. Bg5 Rc4 45. Be3 Rac8 46. Kf6 Ke8 47. Kf5 1/2-1/2

[Event "FIN-chT1B 0405"]
[Site "Finland"]
[Date "2005.??.??"]
[Round "7.8"]
[White "Marttinen, Jussi"]
[Black "Tahvanainen, Antti"]
[Result "1/2-1/2"]
[ECO "D00"]
[PlyCount "62"]
[EventDate "2004.09.18"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Karhula TS"]
[BlackTeam "Espoo MatSK II"]
[WhiteTeamCountry "FIN"]
[BlackTeamCountry "FIN"]

1. d4 d5 2. f4 Nf6 3. e3 Bf5 4. Nf3 e6 5. Bd3 Be4 6. 0-0 c5 7. c3 Be7 8. Bxe4 Nxe4 9. Bd2 Qb6 10. b3 Nd7 11. Be1 Rc8 12. Nfd2 Ndf6 13. Bh4 0-0 14. Nxe4 dxe4 15. Bxf6 Bxf6 16. Nd2 cxd4 17. cxd4 Rfd8 18. Nc4 Qb4 19. Qb1 b5 20. Ne5 Bxe5 21. fxe5 Qd2 22. Qxe4 Rc2 23. Qf3 f5 24. exf6 gxf6 25. Rf2 Qxf2+ 26. Qxf2 Rxf2 27. Kxf2 Rc8 28. Kf3 Rc2 29. a4 b4 30. Rb1 Kf7 31. h3 f5 1/2-1/2

[Event "FIN-chT1A 0405"]
[Site "Finland"]
[Date "2004.11.14"]
[Round "4.7"]
[White "Alve, Tomas"]
[Black "Tahvanainen, Antti"]
[Result "1-0"]
[ECO "D12"]
[PlyCount "97"]
[EventDate "2004.09.18"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Turku TS II"]
[BlackTeam "Espoo MatSK III"]
[WhiteTeamCountry "FIN"]
[BlackTeamCountry "FIN"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 Bf5 5. e3 e6 6. Be2 dxc4 7. Bxc4 Nbd7 8. 0-0 Nb6 9. Be2 Bd6 10. h3 Bc7 11. Nh4 Qd6 12. f4 Bg6 13. a4 Nbd5 14. Nxg6 hxg6 15. Bf3 Nh5 16. Ne4 Qe7 17. Qe1 Nhf6 18. Nc5 Bb6 19. Nd3 a6 20. Bd2 Rd8 21. Rc1 0-0 22. b4 Rc8 23. Nc5 Rfd8 24. e4 Bxc5 25. bxc5 Nc7 26. Qf2 Rd7 27. Bc3 Rcd8 28. Rb1 Nce8 29. Rb3 Nh5 30. g3 Kh7 31. Kg2 Kh6 32. Rfb1 Rb8 33. Be2 Ra8 34. g4 Nxf4+ 35. Qxf4+ g5 36. Qf2 Nf6 37. Bf3 Nh7 38. Rh1 g6 39. h4 Kg7 40. h5 Nf8 41. e5 gxh5 42. gxh5 Kh6 43. Be4 Nh7 44. Bd2 Rad8 45. Be3 f5 46. exf6 Nxf6 47. Bxg5+ Kxg5 48. Qd2+ Kg4 49. Rg3# 1-0

[Event "FIN-chT1B 0405"]
[Site "Finland"]
[Date "2004.11.14"]
[Round "5.8"]
[White "Tahvanainen, Antti"]
[Black "Koskinen, Veikko"]
[Result "1/2-1/2"]
[ECO "B16"]
[BlackElo "1964"]
[PlyCount "43"]
[EventDate "2004.09.18"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Espoo MatSK II"]
[BlackTeam "Helsinki KS 58"]
[WhiteTeamCountry "FIN"]
[BlackTeamCountry "FIN"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ gxf6 6. Nf3 Bg4 7. Be2 Qc7 8. h3 Bh5 9. 0-0 Nd7 10. Nh4 Bxe2 11. Qxe2 0-0-0 12. c4 Nb6 13. Rd1 e6 14. b3 Be7 15. g3 c5 16. Bf4 Bd6 17. dxc5 Qxc5 18. Be3 Qa3 19. Bd4 Nd7 20. Qb2 Qxb2 21. Bxb2 Be5 22. Rab1 1/2-1/2

[Event "FIN-chT1A 0405"]
[Site "Finland"]
[Date "2004.09.19"]
[Round "2.6"]
[White "Tahvanainen, Antti"]
[Black "Paakkonen, Timo"]
[Result "0-1"]
[ECO "B14"]
[BlackElo "2259"]
[PlyCount "84"]
[EventDate "2004.09.18"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Espoo MatSK III"]
[BlackTeam "Helsinki Velhot"]
[WhiteTeamCountry "FIN"]
[BlackTeamCountry "FIN"]

1. e4 c5 2. c3 g6 3. d4 cxd4 4. cxd4 d5 5. exd5 Nf6 6. Nc3 Bg7 7. Bc4 0-0 8. Bf4 Nbd7 9. d6 exd6 10. Nge2 Nb6 11. Bb3 Nh5 12. Be3 d5 13. 0-0 Bf5 14. f3 Re8 15. Qd2 Nf6 16. Bg5 Qd7 17. Rfe1 Nc4 18. Qc1 b5 19. Bxc4 dxc4 20. Be3 b4 21. Nd1 Nd5 22. Bf2 Rac8 23. Qd2 h5 24. a3 a5 25. Ne3 c3 26. bxc3 bxc3 27. Qc1 Nxe3 28. Bxe3 Qb5 29. Kh1 Qb2 30. Ng3 Bd3 31. Rd1 Bc2 32. Re1 h4 33. Nf1 Bf5 34. Rd1 h3 35. Qxb2 cxb2 36. Rab1 Bxb1 37. Rxb1 Rxe3 38. Rxb2 Re1 39. Rf2 Bxd4 40. Kg1 Rcc1 41. gxh3 Rxf1+ 42. Kg2 Rg1# 0-1

[Event "FIN-chT1B 0405"]
[Site "Finland"]
[Date "2004.09.18"]
[Round "1.8"]
[White "Tahvanainen, Antti"]
[Black "Turtiainen, Kimmo"]
[Result "1-0"]
[ECO "C45"]
[PlyCount "81"]
[EventDate "2004.09.18"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Espoo MatSK II"]
[BlackTeam "Helsinki LauttSK"]
[WhiteTeamCountry "FIN"]
[BlackTeamCountry "FIN"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nf5 Qf6 6. Qf3 d6 7. Nc3 Nge7 8. Ne3 Qg6 9. Bd3 Ne5 10. Qg3 Nxd3+ 11. cxd3 c6 12. 0-0 Be6 13. Na4 Bd4 14. Qxd6 Rd8 15. Qf4 h5 16. Rd1 h4 17. Nc3 Rh5 18. Nc2 Be5 19. Qe3 Bg4 20. Rf1 c5 21. Ne2 Bxe2 22. Qxe2 Nc6 23. f4 Nd4 24. Nxd4 Bxd4+ 25. Be3 h3 26. g3 Rh4 27. Kh1 Rg4 28. Rac1 Rd6 29. Rc4 b5 30. Rc2 c4 31. f5 Qh5 32. dxc4 Be5 33. c5 Rd7 34. c6 Re7 35. Qxb5 Bc7 36. Rcf2 Rgxe4 37. Bf4 Re2 38. Bxc7 f6 39. Ba5 Rxf2 40. c7+ Kf8 41. c8Q+ 1-0

[Event "FIN-chT 0304"]
[Site "Finland"]
[Date "2003.09.21"]
[Round "2.7"]
[White "Nivala, Tuomas"]
[Black "Tahvanainen, Antti"]
[Result "1-0"]
[ECO "A20"]
[WhiteElo "2196"]
[PlyCount "79"]
[EventDate "2003.09.06"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Joensuu SK"]
[BlackTeam "Espoo MatSK II"]
[WhiteTeamCountry "FIN"]
[BlackTeamCountry "FIN"]

1. g3 e5 2. c4 Nf6 3. Bg2 c6 4. d4 exd4 5. Qxd4 Be7 6. Nc3 0-0 7. e4 Re8 8. Nge2 c5 9. Qd3 Nc6 10. Bf4 d6 11. b3 a6 12. 0-0 Ng4 13. h3 Nge5 14. Qc2 Nb4 15. Qb1 Be6 16. Rd1 Qc8 17. Kh2 Qc7 18. a3 Nbc6 19. Be3 f6 20. Nf4 Qc8 21. Ncd5 Bxd5 22. Nxd5 Bd8 23. f4 Nf7 24. Qd3 Rb8 25. Nc3 Ba5 26. Rac1 Bxc3 27. Qxc3 a5 28. Bf2 Qc7 29. Qd3 b6 30. Qd5 Ne7 31. Qh5 b5 32. cxb5 Rxb5 33. Bf1 g6 34. Qh4 Rxb3 35. Qxf6 Nc6 36. Bc4 Rxa3 37. Rxd6 Nd4 38. Rxd4 cxd4 39. Bxd4 Ra2+ 40. Bxa2 1-0

[Event "FIN-chT 0304"]
[Site "Finland"]
[Date "2003.09.20"]
[Round "1.7"]
[White "Tahvanainen, Antti"]
[Black "Heino, Hannu"]
[Result "0-1"]
[ECO "B22"]
[PlyCount "66"]
[EventDate "2003.09.06"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Espoo MatSK II"]
[BlackTeam "Jyvaskyla JyS"]
[WhiteTeamCountry "FIN"]
[BlackTeamCountry "FIN"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. Qxd4 e6 6. Nf3 Nc6 7. Qd1 Qc7 8. Qe2 b6 9. Nbd2 Nf4 10. Qe4 Ng6 11. Nc4 Bb7 12. Qe3 Bc5 13. Qe2 a5 14. Bg5 Ba6 15. Nd6+ Bxd6 16. exd6 Qxd6 17. Qe3 Bxf1 18. Rxf1 h6 19. Rd1 Qc7 20. Bh4 Nxh4 21. Nxh4 0-0 22. Nf3 a4 23. Ke2 Ra5 24. Rd2 Ne5 25. Rd4 Nxf3 26. Kxf3 Rf5+ 27. Rf4 Qc4 28. Rd1 Qc6+ 29. Qe4 d5 30. Qb4 d4+ 31. Kg3 Rg5+ 32. Kh4 Qxg2 33. h3 Rh5+ 0-1

[Event "FIN-chT1A 0203"]
[Site "Finland"]
[Date "2002.10.??"]
[Round "4.7"]
[White "Tahvanainen, Antti"]
[Black "Kaveniemi, Kari"]
[Result "1-0"]
[ECO "B01"]
[PlyCount "85"]
[EventDate "2002.10.??"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Espoo MatSK II"]
[BlackTeam "Turku SY"]
[WhiteTeamCountry "FIN"]
[BlackTeamCountry "FIN"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Nf3 Bf5 6. Bc4 e6 7. 0-0 c6 8. Bg5 Nbd7 9. Ne2 Bg4 10. Bd2 Qc7 11. Ng3 Bd6 12. Re1 0-0-0 13. c3 h5 14. Be2 h4 15. Nf1 Nf8 16. h3 Bf5 17. Bg5 Ng6 18. Ne3 Be4 19. Nd2 Bf5 20. Nxf5 exf5 21. Bd3 Bf4 22. Bxf5+ Kb8 23. Bxg6 Bxg5 24. Nf3 Bf4 25. Bd3 Rd5 26. Bc4 Rd6 27. Ne5 Nd5 28. Qg4 g5 29. Qf5 f6 30. Ng6 Rhd8 31. Bxd5 Rxd5 32. Qxf6 R5d6 33. Qf5 Rd5 34. Qc2 Bd6 35. Re6 Qf7 36. Rae1 Bc7 37. Re7 Qg8 38. Rxc7 Kxc7 39. Ne7 Qf7 40. Nxd5+ Qxd5 41. b3 Rd7 42. Re5 Qg8 43. Qf5 1-0

[Event "Espoo We MatSK op"]
[Site "Espoo"]
[Date "2002.??.??"]
[Round "1"]
[White "Auvinen, Esa"]
[Black "Tahvanainen, Antti"]
[Result "0-1"]
[ECO "C68"]
[PlyCount "122"]
[EventDate "2002.02.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. d4 exd4 6. Qxd4 Qxd4 7. Nxd4 Bc5 8. Be3 Nf6 9. f3 Bd7 10. Nc3 0-0-0 11. 0-0-0 h6 12. Nf5 Bxe3+ 13. Nxe3 Be6 14. Rxd8+ Rxd8 15. Rd1 Nh5 16. Rxd8+ Kxd8 17. g3 Ke7 18. Kd2 Nf6 19. a3 Kd6 20. Kd3 Nd7 21. Nc4+ Bxc4+ 22. Kxc4 Ne5+ 23. Kb4 Nxf3 24. h4 Nd2 25. b3 b6 26. a4 a5+ 27. Ka3 Nf1 28. Ne2 c5 29. c3 Ke5 30. b4 cxb4+ 31. cxb4 axb4+ 32. Kxb4 Kxe4 33. Kb5 Kd5 34. Nc3+ Kd6 35. Ne4+ Kd7 36. g4 Ne3 37. g5 hxg5 38. hxg5 Nd5 39. Ng3 f6 40. Kc4 Ne3+ 41. Kd3 Ng4 42. gxf6 gxf6 43. Ke4 Ke6 44. Ne2 Ne5 45. Nd4+ Kd6 46. Nb5+ Kc6 47. Kf5 Nd7 48. Nd4+ Kd5 49. Nb5 c5 50. Nc7+ Kc6 51. Nb5 c4 52. Nc3 Kd6 53. Nb5+ Kd5 54. Nc3+ Kd4 55. Na2 c3 56. Ke6 Nc5+ 57. Kxf6 Nxa4 58. Ke6 b5 59. Kd6 c2 60. Kc6 b4 61. Nc1 Kc4 0-1

[Event "Espoo We MatSK op"]
[Site "Espoo"]
[Date "2002.??.??"]
[Round "4"]
[White "Hynninen, Juha"]
[Black "Tahvanainen, Antti"]
[Result "1-0"]
[ECO "C50"]
[PlyCount "81"]
[EventDate "2002.02.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Bc5 4. Bc4 Nf6 5. d3 h6 6. h3 d6 7. Qe2 Qe7 8. Be3 Bb4 9. a3 Ba5 10. 0-0 Be6 11. Nd5 Qd7 12. b4 Bb6 13. Nxb6 axb6 14. Bb5 0-0 15. c4 Qe7 16. Qd1 Ra7 17. c5 dxc5 18. bxc5 Ra5 19. Bxc6 bxc6 20. cxb6 cxb6 21. Bxb6 Rxa3 22. Qc2 Rxa1 23. Rxa1 Qb7 24. Bc5 Re8 25. Rb1 Qc7 26. d4 exd4 27. e5 Nd7 28. Bd6 Qa7 29. Qxc6 Bf5 30. Rb7 Qa1+ 31. Kh2 d3 32. Rxd7 Bxd7 33. Qxd7 Ra8 34. Bc5 Qc3 35. Be3 Rc8 36. e6 fxe6 37. Qxe6+ Kh8 38. Bd4 Qc7+ 39. Be5 Qc4 40. Qxh6+ Kg8 41. Qxg7# 1-0

[Event "Espoo We MatSK op"]
[Site "Espoo"]
[Date "2002.??.??"]
[Round "2"]
[White "Tahvanainen, Antti"]
[Black "Aijala, Jouko"]
[Result "0-1"]
[ECO "B05"]
[BlackElo "2159"]
[PlyCount "138"]
[EventDate "2002.02.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. Be2 e6 6. h3 Bxf3 7. Bxf3 Nc6 8. exd6 Bxd6 9. 0-0 Qf6 10. Be3 0-0 11. c3 Nxe3 12. fxe3 Qg5 13. e4 Bf4 14. Na3 Rad8 15. Qb3 Qg3 16. Nc4 Rb8 17. e5 Ne7 18. Qa3 Qh2+ 19. Kf2 Ng6 20. Qxa7 b5 21. Ne3 Qg3+ 22. Ke2 Qg5 23. Nc2 f6 24. Bg4 fxe5 25. Bxe6+ Kh8 26. Bd5 exd4 27. Qxd4 Rbe8+ 28. Kd1 Rd8 29. Nb4 c6 30. Kc2 cxd5 31. g4 Qe5 32. Nc6 Qe2+ 33. Kb3 Qc4+ 34. Qxc4 bxc4+ 35. Kc2 Rd6 36. Nd4 Re8 37. Rf3 Rf6 38. Raf1 Bg5 39. Nf5 Re2+ 40. Kb1 Rb6 41. Ne3 Rbxb2+ 42. Ka1 Rxa2+ 43. Kb1 h6 44. Nd1 Rac2 45. Ne3 Rxc3 46. Nxd5 Rxf3 47. Rxf3 Ne5 48. Rf8+ Kh7 49. Rc8 Rh2 50. Nb6 Rxh3 51. Kc2 Nxg4 52. Rxc4 Ne5 53. Re4 Bf6 54. Nd5 Rh2+ 55. Kc3 Kg6 56. Kd4 Rd2+ 57. Kc5 Kf5 58. Rf4+ Kg5 59. Re4 Rc2+ 60. Kd4 Rc4+ 61. Ke3 Rxe4+ 62. Kf2 Rd4 63. Ne3 Ng4+ 64. Kg3 Nxe3 65. Kh3 Rg4 66. Kh2 Kf4 67. Kh1 Kf3 68. Kh2 Kf2 69. Kh3 Rh4# 0-1

[Event "Espoo We MatSK op"]
[Site "Espoo"]
[Date "2002.??.??"]
[Round "5"]
[White "Tahvanainen, Antti"]
[Black "Jokinen, Taisto"]
[Result "1-0"]
[ECO "B22"]
[PlyCount "41"]
[EventDate "2002.02.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 c5 2. c3 e5 3. Nf3 Nc6 4. d4 cxd4 5. cxd4 exd4 6. Nxd4 Bb4+ 7. Nc3 Nge7 8. Bc4 0-0 9. 0-0 Bxc3 10. bxc3 Ne5 11. Bb3 N7c6 12. Ba3 Re8 13. Nf5 Qg5 14. g3 Ng6 15. Bxf7+ Kxf7 16. Nd6+ Kf8 17. Qb3 Re6 18. f4 Qh5 19. f5 Nce5 20. fxe6+ Ke7 21. Nxb7+ 1-0

[Event "FIN-chT1B 0102"]
[Site "Finland"]
[Date "2002.??.??"]
[Round "5.7"]
[White "Tahvanainen, Antti"]
[Black "Miettinen, Keijo"]
[Result "1-0"]
[ECO "B27"]
[PlyCount "125"]
[EventDate "2001.10.??"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Espoo MatSK II"]
[BlackTeam "Lappeenranta SK"]
[WhiteTeamCountry "FIN"]
[BlackTeamCountry "FIN"]

1. e4 c5 2. c3 g6 3. d4 Bg7 4. Nf3 Nf6 5. e5 Ne4 6. Bd3 f5 7. exf6 Nxf6 8. dxc5 0-0 9. 0-0 Qc7 10. b4 a5 11. Bb2 b6 12. cxb6 Qxb6 13. a3 Bb7 14. Nbd2 d5 15. Qb3 a4 16. Qc2 Nbd7 17. Rae1 e5 18. Nxe5 Nxe5 19. Rxe5 Ne4 20. Rxe4 dxe4 21. Nxe4 Rad8 22. Nc5 Bc6 23. Bc4+ Bd5 24. Bxd5+ Rxd5 25. c4 Rxc5 26. Bxg7 Kxg7 27. bxc5 Qxc5 28. Qxa4 Rf4 29. Qd7+ Kh6 30. Qh3+ Kg7 31. Qc3+ Kg8 32. Qb3 Qxc4 33. Qxc4+ Rxc4 34. Ra1 Ra4 35. g3 Kf7 36. f4 Kf6 37. Kf2 h5 38. Ke3 Kf5 39. Kf3 Kf6 40. Ke3 Kf5 41. Ra2 Kg4 42. Kd3 h4 43. gxh4 Kxh4 44. Kc3 Rxf4 45. a4 Kh3 46. a5 g5 47. a6 g4 48. a7 Rf8 49. Kd4 Re8 50. Kd3 Rd8+ 51. Ke3 Re8+ 52. Kf4 Rf8+ 53. Ke3 Re8+ 54. Kd4 Ra8 55. Ke3 Re8+ 56. Kf2 Rf8+ 57. Kg1 Ra8 58. Ra3+ Kh4 59. Kg2 Kh5 60. Kg3 Kg5 61. Ra5+ Kh6 62. Kxg4 Kh7 63. Kf5 1-0

[Event "Espoo We MatSK op"]
[Site "Espoo"]
[Date "2002.??.??"]
[Round "3"]
[White "Tahvanainen, Antti"]
[Black "Puroila, Sippo"]
[Result "0-1"]
[ECO "C01"]
[PlyCount "150"]
[EventDate "2002.02.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Bd6 5. Bd3 Ne7 6. Bg5 0-0 7. 0-0 Nbc6 8. Nc3 f6 9. Bh4 Bg4 10. Be2 Nf5 11. Bg3 Nxg3 12. hxg3 Be6 13. Re1 Bf7 14. Bf1 a6 15. Nh4 g6 16. Ne2 Qd7 17. Nc1 Rae8 18. Nb3 Nb4 19. Rxe8 Rxe8 20. c3 Nc6 21. Qd2 Qe7 22. Nf3 Qf8 23. Re1 Re7 24. Rxe7 Qxe7 25. Qe2 Qe4 26. Qd1 Kg7 27. Bd3 Qe7 28. Qe2 Nd8 29. Nh4 Be6 30. f4 f5 31. Nf3 Nf7 32. Ne5 c6 33. Na5 Qc7 34. b4 Nxe5 35. dxe5 Be7 36. Nb3 c5 37. bxc5 Bxc5+ 38. Kh2 Ba7 39. Qc2 Kf8 40. Nd4 Bxd4 41. cxd4 Qxc2 42. Bxc2 Ke8 43. Kg1 Kd7 44. Kf2 Kc6 45. Ke3 Kb5 46. Kd3 Kb4 47. Bb1 Ka3 48. Kc3 a5 49. Bc2 b5 50. Bb1 Bd7 51. Kc2 b4 52. Kc1 b3 53. axb3 Kxb3 54. Kd2 a4 55. Bc2+ Kc4 56. Ke3 a3 57. Bb1 Kc3 58. Ba2 Be6 59. Ke2 Kb2 60. Kd2 Kxa2 61. Kc2 h5 62. Kc1 Kb3 63. Kb1 Kc3 64. Ka2 Kxd4 65. Kxa3 Kc3 66. Ka2 Kc2 67. Ka3 d4 68. Kb4 d3 69. Kc5 d2 70. Kd6 Ba2 71. e6 d1Q+ 72. Ke7 Qg4 73. Kf6 Bxe6 74. Kg7 Qxg3 75. Kh8 Qxg2 0-1

[Event "FIN-chT1B 0102"]
[Site "Finland"]
[Date "2001.10.??"]
[Round "4.7"]
[White "Fehr, Jukka"]
[Black "Tahvanainen, Antti"]
[Result "1-0"]
[ECO "D11"]
[WhiteElo "2025"]
[PlyCount "55"]
[EventDate "2001.10.??"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Joensuu SK II"]
[BlackTeam "Espoo MatSK II"]
[WhiteTeamCountry "FIN"]
[BlackTeamCountry "FIN"]

1. d4 d5 2. Nf3 Bf5 3. c4 c6 4. Nc3 e6 5. Qb3 Qb6 6. c5 Qxb3 7. axb3 Nf6 8. Bf4 Nbd7 9. b4 Ne4 10. e3 Be7 11. b5 Nxc3 12. bxc3 cxb5 13. Bxb5 a6 14. c6 bxc6 15. Bxc6 Rc8 16. Ne5 Rxc6 17. Nxc6 Bd3 18. Kd2 Bb5 19. Na7 Bc4 20. Rhb1 Nf6 21. Rb8+ Bd8 22. Nc6 Kd7 23. Ne5+ Ke7 24. Rb7+ Kd6 25. Rab1 Ne4+ 26. Kc2 Bb5 27. R1xb5 axb5 28. Rd7# 1-0

[Event "FIN-ch U18"]
[Site "Helsinki"]
[Date "2000.??.??"]
[Round "?"]
[White "Balk, Anssi"]
[Black "Tahvanainen, Antti"]
[Result "1-0"]
[ECO "C50"]
[PlyCount "105"]
[EventDate "2000.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "FIN"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. 0-0 Nf6 5. d4 Bxd4 6. Nxd4 Nxd4 7. f4 d6 8. c3 Nc6 9. f5 Ne7 10. Bg5 Nxe4 11. Qh5 Nxg5 12. Qxg5 Nxf5 13. Rxf5 Bxf5 14. Qxf5 0-0 15. Nd2 d5 16. Bb3 Qd6 17. Nf3 Rae8 18. Re1 f6 19. Rd1 c6 20. Bc2 g6 21. Qh3 Qe6 22. Qh6 e4 23. Nd4 Qd7 24. Re1 c5 25. Nb3 b6 26. Qe3 f5 27. g3 a5 28. Rd1 a4 29. Nc1 Rf6 30. b3 a3 31. Ne2 Rd6 32. b4 Qc6 33. Bb3 Kg7 34. b5 Qd7 35. Kf2 Rd8 36. Nf4 d4 37. cxd4 cxd4 38. Qc1 Kf6 39. Nh5+ Ke7 40. Qh6 e3+ 41. Ke1 Ke8 42. Ng7+ Ke7 43. Nh5 Rf8 44. Qg7+ Ke8 45. Qe5+ Kd8 46. Ng7 Rff6 47. Rxd4 Rxd4 48. Qxf6+ Kc7 49. Ne6+ Kb7 50. Qxd4 Qxb5 51. Qd5+ Ka6 52. Nc7+ Ka7 53. Qa8# 1-0

[Event "FIN-ch U18"]
[Site "Helsinki"]
[Date "2000.??.??"]
[Round "?"]
[White "Kosmo, Santul"]
[Black "Tahvanainen, Antti"]
[Result "1-0"]
[ECO "C30"]
[PlyCount "55"]
[EventDate "2000.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "FIN"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. Nc3 Nc6 5. Bb5 Bg4 6. Na4 Bb6 7. Nxb6 axb6 8. 0-0 Nf6 9. h3 Bd7 10. d3 Qe7 11. c3 0-0 12. Qe1 Rfe8 13. Qh4 h6 14. g4 Nh7 15. g5 exf4 16. Bxf4 hxg5 17. Nxg5 Nxg5 18. Bxg5 f6 19. Bxf6 gxf6 20. Rxf6 Qh7 21. Bc4+ Kh8 22. Rh6 Re7 23. Rxh7+ Rxh7 24. Qf6+ Rg7+ 25. Kh2 Kh7 26. Qh4+ Kg6 27. Rg1+ Bg4 28. Rxg4# 1-0

[Event "FIN-ch U18"]
[Site "Helsinki"]
[Date "2000.??.??"]
[Round "?"]
[White "Nyrhinen, Hannu"]
[Black "Tahvanainen, Antti"]
[Result "0-1"]
[ECO "C90"]
[PlyCount "98"]
[EventDate "2000.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "FIN"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Be7 7. Re1 d6 8. c3 Bg4 9. d3 0-0 10. Bg5 h6 11. Bh4 Na5 12. Bc2 c5 13. Nbd2 Nc6 14. h3 Bh5 15. Nf1 Nd7 16. Bxe7 Qxe7 17. Ne3 Rfb8 18. Nd5 Qd8 19. g4 Bg6 20. Kh2 Ne7 21. b3 Nxd5 22. exd5 Nf6 23. c4 b4 24. Nd2 Ra7 25. Ne4 Bxe4 26. dxe4 Nh7 27. Rg1 Qh4 28. Rg3 Nf8 29. Qg1 f6 30. f3 a5 31. Qd1 Ng6 32. Qg1 Nf4 33. Qf1 Kf7 34. Re1 Rh8 35. Qg1 Kf8 36. Qf1 g5 37. Re3 Rah7 38. Bd1 h5 39. Bc2 hxg4 40. fxg4 Ke7 41. Ref3 Kd7 42. Re3 Kc7 43. Ref3 Kb6 44. Re3 Qh6 45. Rgf3 Qg7 46. Qa1 Qd7 47. Qg1 Rh4 48. Qf1 Qxg4 49. Rg3 Qd7 0-1

[Event "FIN-ch U18"]
[Site "Helsinki"]
[Date "2000.??.??"]
[Round "?"]
[White "Tahvanainen, Antti"]
[Black "Karttunen, Mika"]
[Result "0-1"]
[ECO "B22"]
[BlackElo "2313"]
[PlyCount "64"]
[EventDate "2000.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "FIN"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. c3 d6 3. d4 cxd4 4. cxd4 Nf6 5. Nc3 g6 6. Nf3 Bg7 7. Bc4 0-0 8. 0-0 Nc6 9. Be3 Bg4 10. h3 Bxf3 11. Qxf3 e5 12. d5 Nd4 13. Qd1 Rc8 14. Bd3 Nh5 15. Qd2 f5 16. f3 a6 17. Rac1 Qa5 18. b3 Nf4 19. Rfd1 Nxd3 20. Qxd3 Rxc3 21. Rxc3 Qxc3 22. exf5 Qxd3 23. Rxd3 gxf5 24. f4 Ne2+ 25. Kf2 Nxf4 26. Bxf4 exf4 27. Kf3 Be5 28. Rd2 Rc8 29. Kf2 Rc3 30. Ke2 Kf7 31. Kf2 Ke7 32. Ke2 Kd7 0-1

[Event "FIN-ch U18"]
[Site "Helsinki"]
[Date "2000.??.??"]
[Round "?"]
[White "Tahvanainen, Antti"]
[Black "Kiiski, Joona"]
[Result "1-0"]
[ECO "B22"]
[PlyCount "125"]
[EventDate "2000.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "FIN"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. Nf3 Nc6 5. Be2 e5 6. d3 f6 7. 0-0 Bd6 8. Be3 Nge7 9. Nbd2 Qf7 10. d4 cxd4 11. cxd4 Be6 12. Ne4 Bc7 13. Qa4 0-0 14. b3 a6 15. dxe5 Nxe5 16. Rac1 Rac8 17. Nc5 Bd5 18. Nxe5 Bxe5 19. Nd3 Bd6 20. Nf4 Bc6 21. Qd4 Be5 22. Qb4 Nd5 23. Nxd5 Bxd5 24. Rfd1 Rxc1 25. Bxc1 Rc8 26. Ba3 Qe6 27. Qd2 Be4 28. Bc4 Rxc4 29. Qd8+ Kf7 30. Qd7+ Qxd7 31. Rxd7+ Ke6 32. Re7+ Kd5 33. bxc4+ Kxc4 34. Rxg7 a5 35. f3 Bd4+ 36. Kf1 Bd3+ 37. Ke1 Bc3+ 38. Kd1 b5 39. Rc7+ Kd4 40. Bc5+ Kd5 41. Be7 Be5 42. Rd7+ Kc4 43. g3 Kc3 44. Ra7 a4 45. Rd7 Bd4 46. Rc7+ Bc4 47. Kc1 Kd3 48. a3 Kc3 49. Bb4+ Kb3 50. Rxh7 Bb2+ 51. Kd2 Bxa3 52. Bxa3 Kxa3 53. Kc3 Bd5 54. Rh4 Bxf3 55. Rb4 Be2 56. Rb1 Ka2 57. Rb2+ Ka3 58. Rxe2 b4+ 59. Kc4 b3 60. Kc3 f5 61. Rf2 f4 62. Rxf4 Ka2 63. Rxa4+ 1-0

[Event "FIN-ch U18"]
[Site "Helsinki"]
[Date "2000.??.??"]
[Round "?"]
[White "Tahvanainen, Antti"]
[Black "Lindholm, Sonja"]
[Result "1-0"]
[ECO "B04"]
[PlyCount "187"]
[EventDate "2000.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "FIN"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Nc6 5. Bb5 Bd7 6. Bc4 e6 7. 0-0 Nb6 8. Bb3 Be7 9. Bf4 d5 10. c3 a6 11. Nbd2 0-0 12. Bc2 f6 13. Re1 f5 14. Nf1 g5 15. Bc1 Be8 16. b3 Rf7 17. Qd2 Rg7 18. h3 h5 19. N3h2 g4 20. hxg4 hxg4 21. Qd3 Bg6 22. Bf4 Bg5 23. g3 Bxf4 24. gxf4 Rh7 25. Nxg4 Rg7 26. Nf6+ Kf7 27. Ng3 Nd7 28. Nxd7 Qxd7 29. Kf1 Rh8 30. Ke2 Bh5+ 31. Ke3 Bg6 32. Rh1 Rhg8 33. Rh3 Ne7 34. Rah1 c5 35. Bd1 Nc6 36. Bh5 cxd4+ 37. cxd4 Qc8 38. Be2 Nb4 39. Qd2 a5 40. Rc1 Qd7 41. a3 Nc6 42. Bb5 Rc8 43. Kd3 Nxe5+ 44. Ke3 Nc6 45. Rhh1 Qd8 46. Qc3 e5 47. fxe5 Qg5+ 48. Ke2 f4 49. Bxc6 Rxc6 50. Qf3 Be4 51. Nxe4 dxe4 52. Qxe4 Qg4+ 53. Qf3 Rxc1 54. Rxc1 Ke6 55. Qxg4+ Rxg4 56. Rc5 b6 57. Rb5 Kf5 58. Rxb6 f3+ 59. Kd3 Rg2 60. Rf6+ Kg4 61. Ke3 Rh2 62. Rxf3 Rh1 63. Rf6 Rb1 64. f3+ Kg5 65. Rb6 a4 66. f4+ Kh5 67. e6 axb3 68. Kd2 Kg6 69. f5+ Kf6 70. Rb7 Rh1 71. Kc3 Rh3+ 72. Kb2 Kxf5 73. e7 Rh8 74. Rd7 Ke6 75. Rd8 Rh2+ 76. Kxb3 Kxe7 77. Rd5 Ke6 78. Rc5 Rh4 79. Kc4 Rh1 80. a4 Kd6 81. Kb5 Rb1+ 82. Ka5 Rd1 83. Rc4 Rb1 84. Rb4 Rc1 85. Kb5 Rc8 86. a5 Ra8 87. a6 Kd5 88. Ka5 Kc6 89. Rb5 Kd6 90. Rc5 Rb8 91. a7 Rb1 92. Ka6 Kd7 93. a8Q Ra1+ 94. Ra5 1-0

[Event "FIN-ch U18"]
[Site "Finland"]
[Date "1998.??.??"]
[Round "5"]
[White "Lindholm, Sonja"]
[Black "Tahvanainen, Antti"]
[Result "0-1"]
[ECO "C68"]
[PlyCount "112"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "FIN"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. 0-0 Bd6 6. d4 Qe7 7. Re1 Bg4 8. c3 Nf6 9. Qd3 Rd8 10. Nbd2 c5 11. b3 0-0 12. Bb2 b5 13. Qc2 Rfe8 14. dxe5 Bxe5 15. Nxe5 Qxe5 16. Nf1 Qe7 17. Ng3 Rd7 18. h3 Bh5 19. c4 Bg6 20. cxb5 axb5 21. Bxf6 Qxf6 22. Qxc5 Rd2 23. Qe3 Qd6 24. Qf3 Rd8 25. h4 f6 26. Qg4 Qd4 27. Rf1 Qd7 28. Qxd7 R8xd7 29. a4 c6 30. Rfc1 bxa4 31. bxa4 Rc7 32. a5 Rd8 33. a6 Ra8 34. Kh2 Be8 35. Rc5 Rca7 36. Rca5 Bd7 37. Nf5 Bxf5 38. exf5 Kf7 39. Kg3 Ke7 40. Kf4 Kd6 41. Ke4 Kc7 42. Kd4 Kb6 43. Kc4 Rxa6 44. Rxa6+ Rxa6 45. Rxa6+ Kxa6 46. f4 h5 47. Kc5 Kb7 48. Kb4 Kb6 49. Kc4 c5 50. Kb3 Kb5 51. Kb2 Kb4 52. Kc2 Kc4 53. Kc1 Kc3 54. Kd1 Kb2 55. g4 c4 56. g5 c3 0-1

[Event "FIN-ch U18"]
[Site "Finland"]
[Date "1998.??.??"]
[Round "3"]
[White "Mahonen, Aki"]
[Black "Tahvanainen, Antti"]
[Result "0-1"]
[ECO "C85"]
[PlyCount "104"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "FIN"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. 0-0 Bd6 6. d3 Nf6 7. Bg5 Bg4 8. h3 Bh5 9. Nbd2 h6 10. Bh4 Qe7 11. Qe1 Bb4 12. a3 Bd6 13. Rb1 0-0 14. c3 c5 15. Qe3 Rfe8 16. Bg3 Rad8 17. Nc4 Nd7 18. Bh4 f6 19. Nh2 b6 20. g4 Bf7 21. Nxd6 cxd6 22. f4 Nf8 23. Bg3 Bb3 24. c4 Ne6 25. f5 Nd4 26. Rbc1 Rb8 27. Nf3 Qf7 28. Nxd4 cxd4 29. Qd2 a5 30. h4 Kf8 31. g5 hxg5 32. hxg5 Ke7 33. g6 Qg8 34. Kg2 Kd7 35. Rh1 Qf8 36. Rh7 Qe7 37. Bf2 Rh8 38. Rch1 Rhg8 39. Kg3 Kc7 40. Be1 Rbc8 41. Qe2 Qd7 42. R1h2 Kb8 43. Qf3 Ka7 44. Qh1 Qe8 45. Bd2 Ka6 46. Qe1 Qa4 47. Bc1 b5 48. cxb5+ Qxb5 49. R7h3 Qxd3+ 50. Kg4 Qd1+ 51. Qe2+ Qxe2+ 52. Rxe2 Bd1 0-1

[Event "FIN-ch U18"]
[Site "Finland"]
[Date "1998.??.??"]
[Round "7"]
[White "Tahvanainen, Antti"]
[Black "Korhonen, Aki"]
[Result "1-0"]
[ECO "B22"]
[PlyCount "101"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "FIN"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. Nf3 e6 5. d4 cxd4 6. Nxd4 Qc7 7. Nf3 b6 8. Bb5 Ba6 9. Bxa6 Nxa6 10. 0-0 Be7 11. Re1 0-0 12. Bg5 f6 13. Bh4 fxe5 14. Bxe7 Nxe7 15. Nxe5 d6 16. Nf3 e5 17. Na3 Rad8 18. Ng5 Rf6 19. Qd3 Rg6 20. Ne4 Nc5 21. Nxc5 Qxc5 22. Rad1 Qc6 23. Qc4+ d5 24. Qxc6 Nxc6 25. c4 d4 26. Nb5 a6 27. Nc7 Rd7 28. Nd5 b5 29. b3 Re6 30. f3 bxc4 31. Nb6 Rd8 32. Nxc4 Kf7 33. Re4 Kf6 34. a3 Ne7 35. Rde1 Ng6 36. f4 d3 37. fxe5+ Kf5 38. g4+ Kg5 39. Rd1 Nh4 40. Nb2 d2 41. Nc4 Rd3 42. Kf2 Rxb3 43. Rxd2 Ng6 44. Rd7 Re7 45. Rd6 Rf7+ 46. Ke1 Rc3 47. e6 Rb7 48. Rd5+ Ne5 49. Rdxe5+ Kg6 50. e7 Rc2 51. e8Q+ 1-0

[Event "FIN-ch U18"]
[Site "Finland"]
[Date "1998.??.??"]
[Round "2"]
[White "Tahvanainen, Antti"]
[Black "Lundstedt, Antti"]
[Result "0-1"]
[ECO "B22"]
[PlyCount "110"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "FIN"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. c3 e6 3. d4 cxd4 4. cxd4 Bb4+ 5. Nc3 Nf6 6. Bd3 Nc6 7. Nf3 h6 8. a3 Ba5 9. 0-0 0-0 10. Bf4 a6 11. Bd6 Ne7 12. Rc1 Ne8 13. Bf4 Ng6 14. Bg3 b5 15. b4 Bb6 16. Qc2 Bb7 17. Rfd1 Rc8 18. Qb3 d6 19. Bb1 Qe7 20. d5 e5 21. Bd3 h5 22. h3 Nc7 23. Rc2 Qd7 24. Rdc1 Ne7 25. Be2 g6 26. Bh4 Kg7 27. a4 f6 28. Nd2 g5 29. Bg3 h4 30. Bh2 f5 31. Rd1 Rf6 32. exf5 Qxf5 33. Nde4 Bxd5 34. Rxd5 Ncxd5 35. Bg4 Rxc3 36. Nxc3 Qd3 37. axb5 Ne3 38. Re2 N7d5 39. Re1 Qxc3 40. Qxc3 Nxc3 41. fxe3 axb5 42. Bd7 Nd5 43. Kh1 Nxe3 44. Bxb5 Nd5 45. g3 Nxb4 46. gxh4 gxh4 47. Rb1 Bc5 48. Rc1 Rf5 49. Bd7 Rg5 50. Bg4 Nd3 51. Rc4 Nf2+ 52. Kg2 Nxg4 53. Rxg4 Rxg4+ 54. hxg4 Kf6 55. Kh3 Kg5 0-1

[Event "FIN-ch U18"]
[Site "Finland"]
[Date "1998.??.??"]
[Round "4"]
[White "Tahvanainen, Antti"]
[Black "Nyrhinen, Hannu"]
[Result "1-0"]
[ECO "B05"]
[PlyCount "91"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "FIN"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. h3 Bh5 6. Be2 Nc6 7. Bb5 e6 8. c4 Nb6 9. d5 exd5 10. cxd5 a6 11. dxc6 axb5 12. cxb7 Rb8 13. Qb3 c6 14. Qc3 Qd7 15. 0-0 Bxf3 16. Qxf3 dxe5 17. Re1 f6 18. Qe3 Qxb7 19. f4 Bd6 20. fxe5 Bxe5 21. Nd2 0-0 22. Nf3 Rfe8 23. Nxe5 Rxe5 24. Qb3+ Qf7 25. Qxf7+ Kxf7 26. Rd1 Rd5 27. Bf4 Rbd8 28. Rdc1 Rc8 29. Rc2 c5 30. Be3 Rc6 31. Rac1 Nd7 32. b3 b4 33. Bf2 h5 34. Be1 g5 35. Bxb4 f5 36. Bd2 g4 37. Be3 gxh3 38. gxh3 Rd3 39. Rc3 Rxc3 40. Rxc3 Ke6 41. Kf2 Ke5 42. Kf3 Ke6 43. Kf4 Kf6 44. b4 c4 45. a4 Ne5 46. Bd4 1-0

[Event "FIN-ch U18"]
[Site "Finland"]
[Date "1998.??.??"]
[Round "6"]
[White "Tahvanainen, Antti"]
[Black "Salmela, Hannu"]
[Result "1-0"]
[ECO "B22"]
[PlyCount "105"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "FIN"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. cxd4 Nc6 6. Nf3 d6 7. Bc4 Nb6 8. Bb3 dxe5 9. dxe5 Qxd1+ 10. Bxd1 Nc4 11. Ba4 Bd7 12. Bxc6 Bxc6 13. Nbd2 Nxd2 14. Bxd2 0-0-0 15. Bc3 Rd3 16. Ke2 Bb5 17. Ke1 e6 18. Ng5 Bc5 19. Rc1 Kb8 20. Ne4 Be7 21. f3 Bh4+ 22. g3 Rxf3 23. Nd6 Bg5 24. Rc2 Bc6 25. Rf1 Rxf1+ 26. Kxf1 Rd8 27. Rf2 f6 28. Nf7 Bb5+ 29. Ke1 Rd7 30. Nxg5 fxg5 31. a3 Kc7 32. Rc2 Kb8 33. Bb4 Ba4 34. Rc4 b6 35. Bd6+ Kb7 36. Rxa4 a5 37. Rc4 b5 38. Rc5 Kb6 39. Ke2 h5 40. Ke3 Rf7 41. Rc2 Rd7 42. Rd2 Kc6 43. Ke4 Rf7 44. Rc2+ Kb6 45. Ke3 Kb7 46. Rf2 Rd7 47. Rf8 Kc6 48. Kd4 Kb6 49. Re8 h4 50. Rxe6 hxg3 51. hxg3 Rf7 52. Bc5+ Kc7 53. Re7+ 1-0

[Event "FIN-ch U18"]
[Site "Finland"]
[Date "1998.??.??"]
[Round "1"]
[White "Verkasalo, Tommi"]
[Black "Tahvanainen, Antti"]
[Result "1-0"]
[ECO "C52"]
[PlyCount "59"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "FIN"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. d4 exd4 7. 0-0 Nge7 8. Ng5 Ne5 9. Bb3 0-0 10. cxd4 N5g6 11. Qh5 h6 12. Nxf7 Rxf7 13. Bxf7+ Kxf7 14. Qxa5 Nc6 15. Qf5+ Qf6 16. Qxf6+ Kxf6 17. Bb2 Nb4 18. Nc3 c6 19. Rad1 d6 20. d5 c5 21. Nb5+ Ke7 22. a3 Na6 23. Bxg7 h5 24. f4 Bg4 25. f5 Bxd1 26. fxg6 Be2 27. Rf7+ Kd8 28. Bf6+ Kc8 29. Nxd6+ Kb8 30. Rxb7# 1-0

[Event "Hyvinkaa op"]
[Site "Hyvinkaa"]
[Date "1996.??.??"]
[Round "2"]
[White "Kaukoranta, Mika"]
[Black "Tahvanainen, Antti"]
[Result "1-0"]
[ECO "C50"]
[PlyCount "67"]
[EventDate "1996.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. 0-0 Nf6 5. d3 0-0 6. a3 d6 7. h3 Be6 8. Bxe6 fxe6 9. Bg5 d5 10. b4 dxe4 11. bxc5 exf3 12. Qxf3 Qd4 13. Nd2 Qxc5 14. Rfc1 Nd4 15. Qd1 Nd5 16. Ne4 Qc6 17. Qg4 Nf4 18. Bf6 Ng6 19. Bg5 h6 20. Bxh6 Kh7 21. Be3 Nf4 22. Ng5+ Kg8 23. Bxf4 Rxf4 24. Qh5 Qe8 25. Qh7+ Kf8 26. Qh8+ Ke7 27. Qxg7+ Kd6 28. Ne4+ Rxe4 29. dxe4 Ne2+ 30. Kf1 Nxc1 31. Rxc1 Qb5+ 32. Kg1 Qe2 33. Qg4 Qd2 34. Rd1 1-0

[Event "Hyvinkaa op"]
[Site "Hyvinkaa"]
[Date "1996.??.??"]
[Round "4"]
[White "Saarinen, Eino"]
[Black "Tahvanainen, Antti"]
[Result "1-0"]
[ECO "D02"]
[PlyCount "59"]
[EventDate "1996.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Bf5 3. c3 e6 4. Bg5 Nf6 5. Nh4 Bg6 6. Nd2 Nbd7 7. e3 Be7 8. Qb3 b6 9. Bb5 0-0 10. 0-0 h6 11. Nxg6 fxg6 12. Bxd7 Nxd7 13. Bxe7 Qxe7 14. Nf3 c5 15. Rac1 Nf6 16. Ne5 Qe8 17. f3 c4 18. Qc2 Kh7 19. Rf2 Nd7 20. f4 Nxe5 21. fxe5 Rxf2 22. Qxf2 Qf8 23. Rf1 Qxf2+ 24. Rxf2 g5 25. Rf7 Kg6 26. Re7 Kf5 27. Kf2 a5 28. Rxg7 b5 29. Kf3 b4 30. g4# 1-0

[Event "Hyvinkaa op"]
[Site "Hyvinkaa"]
[Date "1996.??.??"]
[Round "1"]
[White "Tahvanainen, Antti"]
[Black "Haimi, Aleksander"]
[Result "0-1"]
[ECO "C02"]
[PlyCount "86"]
[EventDate "1996.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 e6 2. Nf3 d5 3. e5 c5 4. c3 Nc6 5. d4 Qb6 6. Be2 cxd4 7. cxd4 Nge7 8. Na3 Nf5 9. Nc2 Bb4+ 10. Kf1 0-0 11. g3 Bd7 12. a3 Be7 13. Kg2 Na5 14. b4 Nc4 15. Ne3 Nfxe3+ 16. Bxe3 Rac8 17. Qb3 a5 18. Rab1 a4 19. Qd3 Bb5 20. Kh3 Nxa3 21. Qxa3 Bxe2 22. Nd2 Qb5 23. Rb2 Rc7 24. Ra1 Ra8 25. Kg2 Qd3 26. Qxd3 Bxd3 27. Ra3 Bb5 28. f4 Rac8 29. Ra1 Rc2 30. Rab1 a3 31. Rxc2 Rxc2 32. Rb3 a2 33. Ra3 Bxb4 34. Ra8+ Bf8 35. Kf3 g6 36. Nb3 Be2+ 37. Kf2 Bc4+ 38. Nd2 Kg7 39. Kf3 Bd3 40. h3 Bb4 41. Nb3 Be4+ 42. Kg4 h5+ 43. Kh4 Be7# 0-1

[Event "Hyvinkaa op"]
[Site "Hyvinkaa"]
[Date "1996.??.??"]
[Round "3"]
[White "Tahvanainen, Antti"]
[Black "Kalteinen, Aimo"]
[Result "0-1"]
[ECO "C47"]
[PlyCount "98"]
[EventDate "1996.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Bc5 6. Nxc6 bxc6 7. Bg5 h6 8. Bh4 g5 9. Bg3 d6 10. e5 Qe7 11. Qe2 dxe5 12. Bxe5 0-0 13. Na4 Ng4 14. Nxc5 Qxc5 15. Bxc7 Bf5 16. 0-0-0 Rfe8 17. Bd6 Rxe2 18. Bxc5 Rxc2+ 19. Kb1 Rxc5+ 20. Bd3 Bxd3+ 21. Rxd3 Nxf2 22. Rhd1 Nxd1 23. Rxd1 Rd5 24. Rc1 Rd2 25. Rxc6 Rb8 26. b3 Re8 27. Rc2 Re1+ 28. Kb2 Ree2 29. Rxd2 Rxd2+ 30. Ka3 Kf8 31. b4 Ke7 32. Kb3 Kd6 33. a4 Kc6 34. Kc4 a6 35. a5 Rd1 36. b5+ axb5+ 37. Kb4 Rc1 38. a6 Rc4+ 39. Kb3 Kb6 40. g3 f5 41. h3 h5 42. Kb2 f4 43. h4 f3 44. hxg5 f2 45. a7 f1Q 46. a8Q Qc1+ 47. Ka2 Qd2+ 48. Kb3 Qc2+ 49. Ka3 b4# 0-1

