[Event "Lappeenranta We LprSK"]
[Site "Lappeenranta"]
[Date "2015.06.14"]
[Round "4"]
[White "Osmolny, Vladimir I"]
[Black "Piironen, Petri"]
[Result "1-0"]
[ECO "A35"]
[WhiteElo "2176"]
[BlackElo "1947"]
[PlyCount "209"]
[EventDate "2015.06.13"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 c5 2. Nf3 Nc6 3. e3 g6 4. d4 Bg7 5. Nc3 d6 6. Be2 Nh6 7. d5 Ne5 8. Ng5 f6 9. Ne6 Bxe6 10. dxe6 Qc8 11. Nd5 Nc6 12. Qa4 Kf8 13. h4 Rb8 14. Nf4 g5 15. Nh5 Qxe6 16. Bd2 Nf7 17. Bf3 Nfe5 18. Bxc6 Nxc6 19. hxg5 a6 20. gxf6 Bxf6 21. Nxf6 exf6 22. Qc2 Kg7 23. Bc3 Ne5 24. b3 Ng6 25. a4 Rbd8 26. 0-0-0 d5 27. cxd5 Rxd5 28. Rxd5 Qxd5 29. Rd1 Qe6 30. Kb2 b5 31. axb5 axb5 32. Qd3 b4 33. Qd7+ Qf7 34. Be1 Re8 35. Qxf7+ Kxf7 36. Rd5 Re5 37. Rd7+ Ne7 38. Kc2 Ke6 39. Ra7 Rd5 40. Bd2 h5 41. g3 Nc6 42. Rh7 Na5 43. e4 Rd4 44. Be3 Rxe4 45. Rxh5 Re5 46. Rxe5+ Kxe5 47. Bxc5 Nc6 48. Kd3 Kd5 49. Bf8 f5 50. Kc2 Ke4 51. Bc5 Kd5 52. Bb6 Ke4 53. Kd2 Ne5 54. Ke2 Kd5 55. Ke3 Ng6 56. Ba5 Kc5 57. Bd8 Kd5 58. f3 Kc5 59. Bc7 Kc6 60. Ba5 Kb5 61. Bd8 Kc5 62. Bf6 Kd5 63. Bg7 Kc5 64. Bf6 Kd5 65. Bg7 Kc5 66. Bd4+ Kd5 67. Bb2 Kc5 68. Bc1 Kd5 69. Bd2 Kc5 70. Be1 Ne5 71. Bf2 Kd5 72. Ke2 Ng6 73. Be3 Ne5 74. Bh6 Ng6 75. Ke3 Ke5 76. Bg7+ Kd5 77. Bb2 Kc5 78. Bf6 Kd5 79. Bd4 Kc6 80. Ba7 Kd5 81. Bb8 Kc5 82. Bc7 Kc6 83. Bd8 Kd5 84. Bc7 Kc6 85. Bb8 Kd5 86. Kd3 Kc5 87. Ke3 Kd5 88. Bf4 Kc5 89. Bg5 Kd5 90. Bf6 Kc5 91. Bd4+ Kd5 92. Bb2 Kc5 93. g4 fxg4 94. fxg4 Kd5 95. g5 Nh4 96. Bf6 Ng6 97. Kf3 Nh4+ 98. Kg4 Ng6 99. Kh5 Nf4+ 100. Kh6 Ke6 101. Kh7 Kd5 102. Be7 Kd4 103. Bxb4 Kd3 104. Bd6 Ne6 105. g6 1-0

[Event "Lappeenranta We LprSK"]
[Site "Lappeenranta"]
[Date "2015.06.13"]
[Round "1"]
[White "Heinola, Vesa Pekka"]
[Black "Piironen, Petri"]
[Result "0-1"]
[ECO "D45"]
[WhiteElo "2174"]
[BlackElo "1947"]
[PlyCount "80"]
[EventDate "2015.06.13"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. e3 Be7 6. Qc2 0-0 7. Be2 b6 8. 0-0 Bb7 9. b3 Nbd7 10. Bb2 Rc8 11. Rad1 Bd6 12. e4 e5 13. dxe5 Nxe5 14. Nxe5 Bxe5 15. f4 Bxc3 16. Qxc3 Qe7 17. e5 Ne4 18. Qe3 Qc5 19. Bd4 Qa3 20. f5 c5 21. cxd5 cxd4 22. Qxe4 Qxa2 23. f6 Bxd5 24. Qxd5 Qxe2 25. Rde1 Rcd8 26. Qxd8 Qxf1+ 27. Kxf1 Rxd8 28. Kf2 d3 29. Rd1 d2 30. Ke3 gxf6 31. exf6 h5 32. b4 a5 33. bxa5 bxa5 34. Ke2 Kh7 35. g3 Kg6 36. h3 a4 37. g4 hxg4 38. hxg4 a3 39. Ke3 a2 40. Ke2 Rd6 0-1

[Event "Lappeenranta We LprSK"]
[Site "Lappeenranta"]
[Date "2015.06.13"]
[Round "3"]
[White "Piironen, Petri"]
[Black "Hallman, Valo"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1947"]
[BlackElo "2104"]
[PlyCount "63"]
[EventDate "2015.06.13"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 d6 2. b3 Nf6 3. Nc3 c6 4. d4 g6 5. Bb2 Bg7 6. f4 0-0 7. Nf3 Bg4 8. Be2 d5 9. e5 Nfd7 10. 0-0 e6 11. Ba3 Re8 12. h3 Bxf3 13. Bxf3 Qa5 14. Bb2 c5 15. Ne2 Nc6 16. c4 dxc4 17. d5 exd5 18. Bxd5 Nb6 19. bxc4 Rad8 20. Qb3 Nxd5 21. cxd5 c4 22. Qxb7 Qxd5 23. Rad1 Qc5+ 24. Kh1 Rb8 25. Ba3 Qxa3 26. Qxc6 Rec8 27. Qf3 Qxa2 28. f5 gxf5 29. Nd4 Re8 30. Nxf5 Rb6 31. Nxg7 c3 32. Nxe8 1-0

[Event "Lappeenranta We LprSK"]
[Site "Lappeenranta"]
[Date "2015.06.13"]
[Round "2"]
[White "Piironen, Petri"]
[Black "Sergeev, Alexey B"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "1947"]
[BlackElo "1993"]
[PlyCount "64"]
[EventDate "2015.06.13"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 g6 4. Bd3 Bg7 5. Ne2 Nh6 6. Ng3 c5 7. c3 Nc6 8. 0-0 cxd4 9. cxd4 Nxd4 10. Bxg6 hxg6 11. Qxd4 Ng4 12. h3 Nxe5 13. Qb4 Bxh3 14. f4 Nc6 15. Qxb7 Bd4+ 16. Rf2 Bd7 17. Nc3 e6 18. Kf1 Rb8 19. Qa6 Bxf2 20. Kxf2 Qb6+ 21. Qxb6 Rxb6 22. b3 Nb4 23. Bd2 Ke7 24. a3 Nc2 25. Ra2 Rc8 26. Nge2 d4 27. Rxc2 dxc3 28. Bxc3 Rxb3 29. Rc1 Bb5 30. Bb4+ Kd7 31. Rd1+ Rd3 32. Rh1 Rc2 0-1

[Event "Kuopio We KSY"]
[Site "Kuopio"]
[Date "2015.04.26"]
[Round "5"]
[White "Nivala, Tuomas"]
[Black "Piironen, Petri"]
[Result "1-0"]
[ECO "C27"]
[WhiteElo "2215"]
[BlackElo "2206"]
[PlyCount "47"]
[EventDate "2015.04.25"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. Bc4 Bc5 4. d3 h6 5. f4 d6 6. Nf3 Bg4 7. fxe5 dxe5 8. Bxf7+ Kxf7 9. Nxe5+ Ke6 10. Nxg4 Rf8 11. Be3 Bd6 12. e5 Bxe5 13. Nxe5 Kxe5 14. Bc5 Re8 15. 0-0 Ke6 16. Qf3 Nc6 17. Ne4 Ne5 18. Qh3+ Kf7 19. Nxf6 gxf6 20. Qxh6 Rh8 21. Qf4 Ng6 22. Qc4+ Kg7 23. Bd4 Rf8 24. Rxf6 1-0

[Event "Kuopio We KSY"]
[Site "Kuopio"]
[Date "2015.04.26"]
[Round "4"]
[White "Piironen, Petri"]
[Black "Eloranta, Kari"]
[Result "1-0"]
[ECO "B47"]
[WhiteElo "1927"]
[BlackElo "2038"]
[PlyCount "37"]
[EventDate "2015.04.25"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Qc7 6. Ndb5 Qb8 7. Be3 a6 8. Bb6 axb5 9. Nxb5 Ra4 10. Nc7+ Ke7 11. c4 Ra5 12. c5 Kf6 13. Qf3+ Ke7 14. Qg3 Ra4 15. Qd6+ Kf6 16. Qxf8 Rxe4+ 17. Kd2 Rg4 18. Ne8+ Ke5 19. Bc7+ 1-0

[Event "Kuopio We KSY"]
[Site "Kuopio"]
[Date "2015.04.25"]
[Round "2"]
[White "Piironen, Petri"]
[Black "Takalo Eskola, Anssi"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "1927"]
[BlackElo "2145"]
[PlyCount "24"]
[EventDate "2015.04.25"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. d4 Bg4 4. Be2 Bxe2 5. Qxe2 Qxd5 6. Nf3 Nc6 7. c4 Nxd4 8. cxd5 Nxe2 9. Kxe2 Nxd5 10. Nc3 Nxc3+ 11. bxc3 f6 12. Rd1 e5 1/2-1/2

[Event "Kuopio We KSY"]
[Site "Kuopio"]
[Date "2015.04.25"]
[Round "1"]
[White "Porrasmaa, Timo"]
[Black "Piironen, Petri"]
[Result "1/2-1/2"]
[ECO "E08"]
[WhiteElo "2056"]
[BlackElo "1927"]
[PlyCount "110"]
[EventDate "2015.04.25"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Qc2 e6 5. g3 Be7 6. Bg2 0-0 7. 0-0 b6 8. b3 Bb7 9. Rd1 Nbd7 10. Nc3 Rc8 11. e4 dxe4 12. Ng5 h6 13. Ngxe4 Ba8 14. Bf4 Nxe4 15. Bxe4 Nf6 16. Bf3 Bd6 17. Be3 Qe7 18. Re1 Bb4 19. Rad1 Rfd8 20. Bf4 Bd6 21. Bc1 Bb4 22. Bb2 Nh7 23. Re3 Ng5 24. Bg2 Qd7 25. a3 Be7 26. Red3 Qc7 27. b4 a6 28. c5 b5 29. Bc1 a5 30. Bf4 Qa7 31. h4 Nh7 32. Ne4 Nf6 33. Nd6 Bxd6 34. Bxd6 axb4 35. axb4 Ne8 36. Bf4 Qe7 37. Ra3 Bb7 38. Qb2 Ra8 39. Rda1 g5 40. hxg5 hxg5 41. Be3 f6 42. Ra7 Qd7 43. Bh3 Ng7 44. Rxa8 Rxa8 45. Rxa8+ Bxa8 46. d5 cxd5 47. Qxf6 Nf5 48. Qxg5+ Kf8 49. Bxf5 exf5 50. Bf4 Bc6 51. Bd6+ Kf7 52. Qh5+ Kg7 53. Be5+ Kg8 54. Qh8+ Kf7 55. Qg7+ Ke8 1/2-1/2

[Event "Kuopio We KSY"]
[Site "Kuopio"]
[Date "2015.04.25"]
[Round "3"]
[White "Radkov, Bazhen D"]
[Black "Piironen, Petri"]
[Result "1-0"]
[ECO "D06"]
[WhiteElo "2155"]
[BlackElo "1927"]
[PlyCount "79"]
[EventDate "2015.04.25"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 Nf6 3. cxd5 Nxd5 4. Nf3 Nf6 5. Nc3 e6 6. e4 Be7 7. Be2 0-0 8. 0-0 b6 9. d5 exd5 10. e5 Ne4 11. Nxd5 Bb7 12. Nxe7+ Qxe7 13. Qc2 h6 14. Be3 Ng5 15. Nxg5 hxg5 16. f4 Nc6 17. Kh1 gxf4 18. Rxf4 Nxe5 19. Bf2 Ng6 20. Rg4 Ne5 21. Rg3 Rad8 22. Re1 Rfe8 23. Bb5 c6 24. Rh3 g6 25. Bh4 f6 26. Rxe5 Qxe5 27. Qxg6+ Kf8 28. Rf3 cxb5 29. Rxf6+ Qxf6 30. Qxf6+ Kg8 31. Qg6+ Kf8 32. Qf5+ Kg8 33. h3 Rd5 34. Qg6+ Kf8 35. Bg5 Re1+ 36. Kh2 Rf1 37. Bh6+ Ke7 38. Qg7+ Rf7 39. Bg5+ Ke8 40. Qg8+ 1-0

[Event "Mikkeli We MikkSk"]
[Site "Mikkeli"]
[Date "2015.04.11"]
[Round "3"]
[White "Hintikka, Eero"]
[Black "Piironen, Petri"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "2071"]
[PlyCount "75"]
[EventDate "2015.04.11"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 Nc6 2. d4 e5 3. dxe5 Nxe5 4. Nf3 Ng6 5. Bc4 d6 6. 0-0 Be7 7. Nc3 Nf6 8. Re1 0-0 9. Nd4 c6 10. Bb3 Qc7 11. Nf5 Be6 12. f4 Rad8 13. Qe2 Qc8 14. Nxe7+ Nxe7 15. f5 Bxb3 16. axb3 Rde8 17. Bg5 Nxf5 18. Bxf6 gxf6 19. Qf2 Nh6 20. Qxf6 Re6 21. Qf4 Rg6 22. Rad1 Qe6 23. Re3 Kh8 24. Red3 Rfg8 25. R1d2 Rd8 26. Rf3 b5 27. b4 a5 28. bxa5 b4 29. Ne2 c5 30. Ng3 Ra8 31. Nf5 Rxa5 32. h3 Ra1+ 33. Kh2 Qa2 34. Nxh6 Qb1 35. Nxf7+ Kg7 36. Ng5 Qg1+ 37. Kg3 Ra7 38. Qf8# 1-0

[Event "Mikkeli We MikkSk"]
[Site "Mikkeli"]
[Date "2015.04.11"]
[Round "2"]
[White "Piironen, Petri"]
[Black "Chernyak, Viktoria"]
[Result "0-1"]
[ECO "B75"]
[BlackElo "2139"]
[PlyCount "138"]
[EventDate "2015.04.11"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 g6 7. Be3 Bg7 8. Qd2 h5 9. 0-0-0 Nbd7 10. Kb1 b5 11. Be2 Bb7 12. Nb3 Ne5 13. Nd5 Nxd5 14. exd5 Rc8 15. Bd4 Bf6 16. Bxe5 Bxe5 17. f4 Bf6 18. g4 hxg4 19. Bxg4 Rb8 20. Bf3 Qb6 21. Rhe1 b4 22. Re2 a5 23. Nd4 Bxd4 24. Qxd4 Qxd4 25. Rxd4 Bc8 26. Rde4 Rb7 27. b3 Bf5 28. Rc4 Kd7 29. Kb2 Rbb8 30. Rd2 Rh4 31. a3 Rb5 32. Rcd4 Rb8 33. Re2 g5 34. Be4 Rxf4 35. Bxf5+ Rxf5 36. Rde4 Re5 37. Rxe5 dxe5 38. Rxe5 f6 39. Rf5 Kd6 40. c4 bxc3+ 41. Kxc3 Rb5 42. b4 axb4+ 43. axb4 Rxd5 44. Rf2 Kc6 45. Re2 e5 46. Rf2 Rd6 47. Kc4 Rd4+ 48. Kc3 Rf4 49. Ra2 Kb6 50. Rd2 g4 51. Rd6+ Kb5 52. Rd5+ Kc6 53. Rd2 Rf1 54. Kc4 Rc1+ 55. Kd3 Kd5 56. Rb2 Rc6 57. Ra2 e4+ 58. Ke3 Re6 59. Ra5+ Kc4 60. Rf5 Kxb4 61. Rf4 Kc5 62. Rxe4 Kd5 63. Rxe6 Kxe6 64. Kf4 f5 65. h3 gxh3 66. Kg3 Ke5 67. Kxh3 Kf4 68. Kg2 Ke3 69. Kf1 Kf3 0-1

[Event "Kuopio We KSY A"]
[Site "Kuopio"]
[Date "2014.04.27"]
[Round "4"]
[White "Hallman, Valo"]
[Black "Piironen, Petri"]
[Result "1-0"]
[ECO "D34"]
[WhiteElo "1774"]
[PlyCount "101"]
[EventDate "2014.04.26"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 d5 3. g3 e6 4. Bg2 c5 5. 0-0 Nc6 6. c4 Be7 7. cxd5 exd5 8. Nc3 0-0 9. dxc5 Bxc5 10. Bg5 d4 11. Bxf6 Qxf6 12. Ne4 Qe7 13. Nxc5 Qxc5 14. Rc1 Qb6 15. Qc2 h6 16. Rfd1 Be6 17. b3 Rac8 18. Qc5 Qxc5 19. Rxc5 Rfd8 20. Ne1 Nb4 21. Rxc8 Bxc8 22. a3 Nc6 23. b4 Be6 24. Bxc6 bxc6 25. Nc2 c5 26. bxc5 Bb3 27. Rd2 Rc8 28. Nxd4 Ba4 29. c6 Bxc6 30. Nxc6 Rxc6 31. Rd8+ Kh7 32. Rd7 Ra6 33. Rxf7 Rxa3 34. Kg2 a5 35. h4 Kg6 36. Ra7 a4 37. Ra6+ Kf7 38. h5 Ra1 39. Kf3 a3 40. g4 Rh1 41. e3 Ra1 42. Kf4 a2 43. f3 Ke7 44. e4 Kf7 45. e5 Ke7 46. Kf5 Rf1 47. Ra7+ Ke8 48. Rxa2 Rxf3+ 49. Ke6 Kd8 50. Ra8+ Kc7 51. Ra7+ 1-0

[Event "Kuopio We KSY A"]
[Site "Kuopio"]
[Date "2014.04.27"]
[Round "5"]
[White "Takalo Eskola, Anssi"]
[Black "Piironen, Petri"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2143"]
[PlyCount "41"]
[EventDate "2014.04.26"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 g6 4. Nf3 Bg7 5. h3 0-0 6. Bd3 c5 7. c3 c4 8. Bc2 Nc6 9. Nbd2 Nh5 10. Bh2 f5 11. b3 b5 12. a4 Ba6 13. axb5 Bxb5 14. bxc4 Bxc4 15. Nxc4 dxc4 16. Qe2 Na5 17. 0-0 e6 18. Rfb1 Rc8 19. Rb5 Nc6 20. Rc5 Ne7 21. Qxc4 1-0

[Event "Kuopio We KSY A"]
[Site "Kuopio"]
[Date "2014.04.26"]
[Round "1"]
[White "Arpalahti, Antti"]
[Black "Piironen, Petri"]
[Result "0-1"]
[ECO "A34"]
[WhiteElo "2112"]
[PlyCount "69"]
[EventDate "2014.04.26"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 c5 2. Nf3 Nc6 3. g3 e5 4. Nc3 d6 5. Bg2 Nf6 6. 0-0 Be7 7. e3 0-0 8. d4 exd4 9. exd4 Bg4 10. dxc5 dxc5 11. h3 Be6 12. b3 h6 13. Bb2 Qc8 14. Kh2 Rd8 15. Qc1 a6 16. Rd1 Qc7 17. Ne2 Rxd1 18. Qxd1 Ne4 19. Kg1 Rd8 20. Qc1 Ng5 21. Nxg5 hxg5 22. Qe3 b6 23. a3 Qd6 24. Bc3 Nd4 25. Bxd4 cxd4 26. Qd2 Bf6 27. a4 d3 28. Nc3 Qb4 29. Rc1 Qxb3 30. Nd5 Bb2 31. Rd1 Qxa4 32. Qxd3 Bxd5 33. Bxd5 Bf6 34. Rb1 Qa5 35. Qb3 0-1

[Event "Kuopio We KSY A"]
[Site "Kuopio"]
[Date "2014.04.26"]
[Round "3"]
[White "Piironen, Petri"]
[Black "Hartikainen, Jarmo"]
[Result "1/2-1/2"]
[ECO "B02"]
[BlackElo "2198"]
[PlyCount "40"]
[EventDate "2014.04.26"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. d4 Nxd5 4. Nf3 g6 5. Nc3 Nxc3 6. bxc3 Bg7 7. Bc4 c5 8. 0-0 0-0 9. h3 Nc6 10. Be3 Qa5 11. Qd2 cxd4 12. Nxd4 Nxd4 13. Bxd4 e5 14. Be3 Rd8 15. Qe2 Qxc3 16. Rab1 e4 17. Rb3 Qe5 18. Rb5 Qc3 19. Rb3 Qe5 20. Rb5 Qc3 1/2-1/2

[Event "Kuopio We KSY A"]
[Site "Kuopio"]
[Date "2014.04.26"]
[Round "2"]
[White "Piironen, Petri"]
[Black "Wallin, Aleksi"]
[Result "0-1"]
[ECO "B07"]
[BlackElo "2204"]
[PlyCount "44"]
[EventDate "2014.04.26"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Bd3 e5 4. c3 d5 5. dxe5 Nxe4 6. Bxe4 dxe4 7. Qa4+ Bd7 8. Qxe4 Bc6 9. Qg4 h5 10. Qh3 Nd7 11. Nf3 Nc5 12. 0-0 Be7 13. Nd4 Bd7 14. Qe3 h4 15. f4 h3 16. f5 hxg2 17. Kxg2 Rh4 18. h3 Ne4 19. Nf3 Bc6 20. Kh2 Bc5 21. Nd4 Qd5 22. Rg1 Qxe5+ 0-1

[Event "Mikkeli We MikkSK MikkSK 70"]
[Site "Mikkeli"]
[Date "2014.??.??"]
[Round "4"]
[White "Nazarova, Anastasia"]
[Black "Piironen, Petri"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1766"]
[PlyCount "49"]
[EventDate "2014.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. Bb5+ Bd7 4. Bc4 c6 5. dxc6 Nxc6 6. Ne2 e5 7. d3 Bc5 8. h3 0-0 9. 0-0 Nh5 10. Nbc3 Kh8 11. Ne4 Bb6 12. N2c3 Nf4 13. Bxf4 exf4 14. Nd5 Bd4 15. c3 Be5 16. d4 Bb8 17. Qf3 Be6 18. Nd2 Qg5 19. a3 Rd8 20. Nb4 Ne5 21. dxe5 Rxd2 22. Bxe6 fxe6 23. Qxb7 f3 24. Qxf3 Rd8 25. Qxa8 1-0

[Event "Mikkeli We MikkSK MikkSK 70"]
[Site "Mikkeli"]
[Date "2014.??.??"]
[Round "2"]
[White "Piironen, Petri"]
[Black "Maki, Juha"]
[Result "1/2-1/2"]
[ECO "C01"]
[BlackElo "1963"]
[PlyCount "110"]
[EventDate "2014.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Bd6 5. Be2 Bg4 6. 0-0 Ne7 7. Re1 Nbc6 8. Bg5 f6 9. Bh4 Qd7 10. c4 dxc4 11. Bxc4 Nxd4 12. Qxd4 Bxf3 13. Qe3 Bg4 14. Nc3 Kd8 15. f3 Nf5 16. Qf2 Qc6 17. Bb5 Qc5 18. Rad1 Kc8 19. Qxc5 Bxc5+ 20. Bf2 Bxf2+ 21. Kxf2 Nh6 22. fxg4 Nxg4+ 23. Kg1 c6 24. Bd3 Ne5 25. h3 Kc7 26. a4 a5 27. Be4 Rhe8 28. Bc2 Re7 29. Kf2 Rae8 30. Kg3 h5 31. b3 h4+ 32. Kf2 g5 33. Bf5 Rg7 34. Rc1 Kb6 35. Rcd1 g4 36. hxg4 Reg8 37. Re4 Nxg4+ 38. Bxg4 Rxg4 39. Rxg4 Rxg4 40. Rd3 Kc5 41. Rf3 Kb4 42. Nb1 Rg3 43. Nd2 Rg6 44. Ne4 f5 45. Nd2 Rg5 46. Nc4 b5 47. axb5 cxb5 48. Nd2 a4 49. bxa4 bxa4 50. Nb1 Rg4 51. Na3 Rg3 52. Nc2+ Kc5 53. Na3 Kb4 54. Nc2+ Kc4 55. Na3+ Kb4 1/2-1/2

[Event "Mikkeli We MikkSK MikkSK 70"]
[Site "Mikkeli"]
[Date "2014.??.??"]
[Round "5"]
[White "Piironen, Petri"]
[Black "Mustonen, Tapani"]
[Result "1-0"]
[ECO "B02"]
[BlackElo "1921"]
[PlyCount "101"]
[EventDate "2014.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 Nf6 2. Nc3 d5 3. e5 d4 4. exf6 dxc3 5. fxg7 cxd2+ 6. Qxd2 Qxd2+ 7. Bxd2 Bxg7 8. c3 Bf5 9. Be2 Nd7 10. Nf3 0-0-0 11. Be3 h5 12. h4 Ne5 13. Nxe5 Bxe5 14. Rd1 Be4 15. f3 Rxd1+ 16. Kxd1 Rd8+ 17. Kc1 Bd5 18. c4 Bc6 19. Rd1 Rxd1+ 20. Bxd1 Bg3 21. f4 Bxg2 22. Bxh5 f6 23. Bg4+ Kd8 24. h5 Ke8 25. Be6 Bf3 26. h6 Kf8 27. Kd2 b6 28. b4 Be4 29. f5 Bh4 30. Bf4 c6 31. Ke3 Bg2 32. a4 a6 33. Bc8 b5 34. cxb5 cxb5 35. axb5 axb5 36. Kd4 Bf1 37. Be6 Bg5 38. Bxg5 fxg5 39. Ke5 Be2 40. f6 exf6+ 41. Kxf6 Bd3 42. Kxg5 Be4 43. Kf6 Bd3 44. Bf5 Bxf5 45. Kxf5 Kg8 46. Ke5 Kh7 47. Kd5 Kxh6 48. Kc5 Kg6 49. Kxb5 Kf7 50. Kc6 Ke7 51. Kc7 1-0

[Event "Mikkeli We MikkSK MikkSK 70"]
[Site "Mikkeli"]
[Date "2014.??.??"]
[Round "1"]
[White "Porrasmaa, Timo"]
[Black "Piironen, Petri"]
[Result "1-0"]
[ECO "D37"]
[WhiteElo "2078"]
[PlyCount "51"]
[EventDate "2014.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 Be7 5. e3 0-0 6. b3 Bb4 7. Bd2 b6 8. Bd3 Bb7 9. 0-0 Nbd7 10. Qe2 Re8 11. cxd5 Bxc3 12. Bxc3 exd5 13. Rfd1 Ne4 14. Bb2 Qf6 15. Rac1 Rac8 16. Rc2 a5 17. Rdc1 Qd6 18. Ba6 Bxa6 19. Qxa6 Nf8 20. Rc6 Qd8 21. Qe2 Re6 22. Ne5 Nd6 23. Ba3 f6 24. Nd3 Nb5 25. Bxf8 Nxd4 26. Qg4 1-0

[Event "Mikkeli We MikkSK MikkSK 70"]
[Site "Mikkeli"]
[Date "2014.??.??"]
[Round "3"]
[White "Raki, Jyrki"]
[Black "Piironen, Petri"]
[Result "1-0"]
[ECO "D58"]
[WhiteElo "2023"]
[PlyCount "73"]
[EventDate "2014.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 0-0 6. Nf3 b6 7. cxd5 exd5 8. Bd3 h6 9. Bh4 Bb7 10. Rc1 c5 11. 0-0 Ne4 12. Bg3 Nd7 13. Qe2 a6 14. Rfd1 Nxc3 15. bxc3 c4 16. Bb1 f5 17. Ne5 Nxe5 18. dxe5 Bc5 19. Kh1 Qe8 20. Rd2 Qe6 21. Rcd1 Rae8 22. Bc2 Re7 23. a4 a5 24. f3 Bc6 25. f4 Qg6 26. Rxd5 Bxd5 27. Rxd5 Qe6 28. Qxc4 Kh8 29. e4 Rd7 30. h3 Rfd8 31. Rxc5 Qg6 32. Rd5 Rxd5 33. exd5 Qxg3 34. d6 h5 35. Qe2 Qxc3 36. Qxh5+ Kg8 37. Qxf5 1-0

[Event "Lappeenranta We LprSK"]
[Site "Lappeenranta"]
[Date "2013.05.26"]
[Round "4"]
[White "Muhonen, Kari"]
[Black "Piironen, Petri"]
[Result "1-0"]
[ECO "C27"]
[WhiteElo "1664"]
[BlackElo "1905"]
[PlyCount "45"]
[EventDate "2013.05.25"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. Nc3 Bc5 4. Nf3 d6 5. h3 0-0 6. d3 c6 7. Bg5 b5 8. Bb3 Be6 9. 0-0 Nbd7 10. a3 Bxb3 11. cxb3 Qb6 12. b4 Bd4 13. Nxd4 exd4 14. Ne2 a5 15. Ng3 axb4 16. axb4 h6 17. Bf4 c5 18. Qd2 Rxa1 19. Rxa1 Ne8 20. Nf5 Ne5 21. Ra8 Qc7 22. bxc5 dxc5 23. Rc8 1-0

[Event "Lappeenranta We LprSK"]
[Site "Lappeenranta"]
[Date "2013.05.26"]
[Round "5"]
[White "Piironen, Petri"]
[Black "Munukka, Raimo"]
[Result "1-0"]
[ECO "C30"]
[WhiteElo "1905"]
[BlackElo "1741"]
[PlyCount "114"]
[EventDate "2013.05.25"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. f4 Nc6 3. Nf3 d6 4. Bc4 Be7 5. 0-0 Nf6 6. d3 0-0 7. c3 a6 8. a4 Rb8 9. b4 b5 10. axb5 axb5 11. Bd5 Bd7 12. Bxc6 Bxc6 13. fxe5 Nd7 14. Nd4 Nxe5 15. Nxc6 Nxc6 16. d4 Qd7 17. Qf3 Bf6 18. Be3 Ne7 19. Ra7 Ng6 20. Qf5 Qc6 21. Ra3 Rfe8 22. Nd2 Ra8 23. Rfa1 Ra4 24. Rxa4 bxa4 25. Ra3 Ra8 26. g3 Ne7 27. Qg4 Qb5 28. Qf3 Rb8 29. Qf1 Qb7 30. Rxa4 Qc6 31. Ra3 Rxb4 32. cxb4 h6 33. Qc4 Qd7 34. Ra8+ Kh7 35. Qd3 g6 36. Kg2 d5 37. Ra7 dxe4 38. Nxe4 Bg7 39. Nc5 Qc6+ 40. Qe4 Nd5 41. Bd2 Qb5 42. Kf2 Nf6 43. Qf3 Qc4 44. Be3 h5 45. h3 Qxb4 46. Rxc7 Qb2+ 47. Kg1 Qb1+ 48. Kg2 Qa2+ 49. Bf2 Kg8 50. Ne4 Nxe4 51. Qxe4 Qb3 52. d5 Qd1 53. Qe8+ Kh7 54. Qxf7 Qa1 55. Qxg7+ Qxg7 56. Rxg7+ Kxg7 57. Kf3 Kf6 1-0

[Event "Lappeenranta We LprSK"]
[Site "Lappeenranta"]
[Date "2013.05.25"]
[Round "3"]
[White "Piironen, Petri"]
[Black "Heikkinen, Igor"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "1905"]
[BlackElo "1525"]
[PlyCount "39"]
[EventDate "2013.05.25"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 b6 2. d4 e6 3. c4 Bb7 4. Nc3 Bb4 5. d5 Bxc3+ 6. bxc3 h6 7. Bd3 Qe7 8. Ne2 c6 9. 0-0 g5 10. Ng3 Na6 11. Nh5 Nf6 12. d6 Qd8 13. e5 Nxh5 14. Qxh5 Nc5 15. Be2 Ne4 16. f4 c5 17. fxg5 Rh7 18. g6 Rg7 19. Rxf7 Ng5 20. Rxg7 1-0

[Event "Lappeenranta We LprSK"]
[Site "Lappeenranta"]
[Date "2013.05.25"]
[Round "2"]
[White "Piironen, Petri"]
[Black "Miettinen, Keijo"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "1905"]
[BlackElo "1912"]
[PlyCount "86"]
[EventDate "2013.05.25"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bd3 g6 4. c3 Bg7 5. Bc2 d5 6. h3 dxe4 7. Bxe4 Bd7 8. 0-0 Nf6 9. Bc2 0-0 10. d4 cxd4 11. cxd4 Nd5 12. Nc3 Ncb4 13. Bb3 Bc6 14. a3 Na6 15. Re1 Nac7 16. Bg5 Ne6 17. Qd2 Nxg5 18. Nxg5 e6 19. Rxe6 fxe6 20. Nxe6 Qd7 21. Nf4 Rxf4 22. Qxf4 Kh8 23. Qh4 Re8 24. Rd1 Qf5 25. f3 Bf6 26. Qf2 Bg5 27. Kh1 Nf4 28. d5 Bd7 29. Ne4 Bf6 30. Nd6 Nxh3 31. gxh3 Qxh3+ 32. Kg1 Rf8 33. Qg2 Qh4 34. Ne4 Be5 35. Ng5 Bd4+ 36. Rxd4 Qxd4+ 37. Kh2 Qd3 38. Ba2 Rf4 39. Ne6 Rxf3 40. b4 Re3 41. Qb2+ Qc3 42. Qf2 Qe5+ 43. Kg1 Re1+ 0-1

[Event "Lappeenranta We LprSK"]
[Site "Lappeenranta"]
[Date "2013.05.25"]
[Round "1"]
[White "Pirinen, Timo"]
[Black "Piironen, Petri"]
[Result "1/2-1/2"]
[ECO "A40"]
[WhiteElo "1649"]
[BlackElo "1905"]
[PlyCount "47"]
[EventDate "2013.05.25"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 e6 2. Nf3 Be7 3. Bf4 g5 4. Be5 f6 5. Bg3 h5 6. h4 g4 7. Nfd2 d5 8. e3 Bd6 9. Bxd6 Qxd6 10. c4 c6 11. Bd3 f5 12. Nc3 Nf6 13. Ne2 Ne4 14. Bxe4 fxe4 15. Nf4 Rh6 16. c5 Qc7 17. b4 Nd7 18. Nf1 e5 19. dxe5 Nxe5 20. Ng3 Qf7 21. Qd4 Nc4 22. a4 Bd7 23. a5 a6 24. Nge2 1/2-1/2

[Event "Kuopio We KSY"]
[Site "Kuopio"]
[Date "2012.??.??"]
[Round "4"]
[White "Hartikainen, Jarmo"]
[Black "Piironen, Petri"]
[Result "1/2-1/2"]
[ECO "B51"]
[WhiteElo "2207"]
[PlyCount "49"]
[EventDate "2012.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 d6 4. 0-0 a6 5. Bxc6+ bxc6 6. c3 e5 7. d4 cxd4 8. cxd4 exd4 9. Nxd4 c5 10. Nb3 Be7 11. Nc3 Nf6 12. Qe2 0-0 13. Rd1 Qc7 14. Bf4 Bb7 15. Nd2 Rfe8 16. Nc4 Rad8 17. Rd2 Bf8 18. Bg5 Re6 19. Bxf6 Rxf6 20. Nd5 Bxd5 21. Rxd5 Re6 22. Qd3 g6 23. e5 Rde8 24. f4 dxe5 25. fxe5 1/2-1/2

[Event "Tampere We Taraus"]
[Site "Tampere"]
[Date "2012.??.??"]
[Round "2"]
[White "Kekki, Jorma J"]
[Black "Piironen, Petri"]
[Result "1/2-1/2"]
[ECO "A04"]
[WhiteElo "2086"]
[PlyCount "27"]
[EventDate "2012.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 Nf6 2. b3 b6 3. g3 Bb7 4. Bg2 c5 5. 0-0 g6 6. Bb2 Bg7 7. e3 0-0 8. d4 Nc6 9. Ne5 Qc7 10. Nxc6 Bxc6 11. d5 Bb7 12. e4 d6 13. Re1 Nd7 14. Bxg7 1/2-1/2

[Event "Mikkeli We MikkSK"]
[Site "Mikkeli"]
[Date "2012.??.??"]
[Round "3"]
[White "Niemi, Olavi"]
[Black "Piironen, Petri"]
[Result "1-0"]
[ECO "C77"]
[WhiteElo "2034"]
[PlyCount "72"]
[EventDate "2012.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 d6 5. h3 Be7 6. c3 0-0 7. 0-0 a6 8. Ba4 b5 9. Bc2 d5 10. exd5 Qxd5 11. Re1 Bb7 12. Bg5 Qd6 13. Nbd2 Rad8 14. Qe2 Nd7 15. Bxe7 Qxe7 16. d4 f6 17. d5 Na7 18. Qe4 f5 19. d6 Qxd6 20. Qxb7 Nc6 21. Qxa6 e4 22. Nd4 Nb6 23. Qxb5 Nxd4 24. cxd4 Qxd4 25. Rad1 Qf6 26. Nc4 Rxd1 27. Rxd1 h6 28. Nxb6 cxb6 29. Qc4+ Kh7 30. b4 h5 31. a4 Kh6 32. b5 h4 33. Qc6 Qxc6 34. bxc6 Rf6 35. Bb3 Rxc6 36. Rd5 Kg5 1-0

[Event "Mikkeli We MikkSK"]
[Site "Mikkeli"]
[Date "2012.??.??"]
[Round "1"]
[White "Piironen, Petri"]
[Black "Elomaa, Arto"]
[Result "0-1"]
[ECO "B45"]
[BlackElo "1990"]
[PlyCount "74"]
[EventDate "2012.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 Bb4 7. Nd6+ Ke7 8. Nf5+ Kf8 9. Bg5 Qa5 10. Bd3 d5 11. Bxf6 Bxf5 12. exf5 Bxc3+ 13. bxc3 Qxc3+ 14. Kf1 gxf6 15. Rb1 b6 16. Rb3 Qc5 17. Qd2 Ke7 18. g3 Rac8 19. Kg2 Nd4 20. Rb2 Qc3 21. Qxc3 Rxc3 22. Re1 Rhc8 23. Rb4 Nxc2 24. Bxc2 Rxc2 25. Rh4 Rxa2 26. Rxh7 Rcc2 27. h4 Rxf2+ 28. Kh3 d4 29. h5 d3 30. h6 d2 31. Rd1 Re2 32. Rh8 Re1 33. h7 Rxd1 34. Re8+ Kxe8 35. h8Q+ Ke7 36. Qa8 Rc1 37. Qb7+ Kf8 0-1

[Event "Kuopio We KSY"]
[Site "Kuopio"]
[Date "2012.??.??"]
[Round "5"]
[White "Piironen, Petri"]
[Black "Karttunen, Mika"]
[Result "0-1"]
[ECO "B00"]
[BlackElo "2434"]
[PlyCount "48"]
[EventDate "2012.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 Nc6 2. d4 d5 3. e5 f6 4. Bb5 Bd7 5. Bd3 g6 6. f4 Nxd4 7. Bxg6+ hxg6 8. Qxd4 c6 9. Nf3 Nh6 10. exf6 exf6 11. 0-0 Qb6 12. Re1+ Kf7 13. Be3 Qxd4 14. Bxd4 Bd6 15. g3 c5 16. Bf2 Ng4 17. Nbd2 Bc6 18. c3 Rh3 19. Re2 Rah8 20. Be3 Bb5 21. c4 Bc6 22. cxd5 Bxd5 23. Nh4 R8xh4 24. gxh4 Nxe3 0-1

[Event "Tampere We Taraus"]
[Site "Tampere"]
[Date "2012.??.??"]
[Round "3"]
[White "Piironen, Petri"]
[Black "Ketola, Ville"]
[Result "0-1"]
[ECO "B41"]
[BlackElo "2121"]
[PlyCount "50"]
[EventDate "2012.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Be2 Qc7 6. 0-0 Nf6 7. Bf3 Nc6 8. Nxc6 bxc6 9. b3 Bd6 10. g3 Be5 11. c3 0-0 12. Bg2 d5 13. f4 Qa7+ 14. Kh1 Bc7 15. e5 Ne4 16. Bxe4 dxe4 17. Nd2 c5 18. c4 Bb7 19. Qe2 Rad8 20. Kg1 Qb6 21. Ba3 Qc6 22. Rad1 Ba5 23. Kf2 Bc3 24. Nb1 e3+ 25. Kxe3 Qe4+ 0-1

[Event "Kuopio We KSY"]
[Site "Kuopio"]
[Date "2012.??.??"]
[Round "3"]
[White "Piironen, Petri"]
[Black "Kinnunen, Markku"]
[Result "1/2-1/2"]
[ECO "B07"]
[PlyCount "114"]
[EventDate "2012.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 c6 5. f3 b5 6. Qd2 Nbd7 7. d5 b4 8. dxc6 bxc3 9. cxd7+ Bxd7 10. Qxc3 Bg7 11. Qd2 Rb8 12. c3 Qc7 13. Bd3 0-0 14. Ne2 Bb5 15. Bxb5 Rxb5 16. 0-0 Rfb8 17. Rab1 Nd7 18. b3 Ne5 19. Rbc1 a5 20. Nf4 a4 21. Nd5 Qd8 22. Nb4 Qc8 23. Bd4 axb3 24. axb3 Nc6 25. Nxc6 Qxc6 26. Bxg7 Kxg7 27. b4 Qc4 28. Ra1 Rc8 29. Rfc1 Rc7 30. h4 h5 31. Kh2 d5 32. Qf4 dxe4 33. fxe4 Rf5 34. Qg3 Rb5 35. e5 Qe6 36. Re1 Rc4 37. Re3 Rg4 38. Qe1 Rf4 39. g3 Rf5 40. Ra5 Rxa5 41. bxa5 Qa2+ 42. Re2 Qxa5 43. Qd2 Rxe5 44. Qd4 f6 45. Rxe5 Qxe5 46. Qxe5 fxe5 47. Kg2 Kf6 48. Kf3 Ke6 49. Ke4 Kd6 50. c4 Kc5 51. Kxe5 Kxc4 52. Ke6 Kd4 53. Kxe7 Ke5 54. Kf7 Kf5 55. Kg7 g5 56. hxg5 Kxg5 57. Kh7 Kg4 1/2-1/2

[Event "Mikkeli We MikkSK"]
[Site "Mikkeli"]
[Date "2012.??.??"]
[Round "5"]
[White "Piironen, Petri"]
[Black "Mynttinen, Henri"]
[Result "1-0"]
[ECO "B21"]
[PlyCount "67"]
[EventDate "2012.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. c3 Nf6 5. Bd3 dxc3 6. Nxc3 e6 7. 0-0 Be7 8. Qe2 Nc6 9. Bg5 0-0 10. Rad1 Bd7 11. Bb1 Ne8 12. Bxe7 Qxe7 13. e5 Nxe5 14. Nxe5 dxe5 15. Qd3 Nf6 16. Ne4 Nxe4 17. Qxe4 f5 18. Qxb7 Rfd8 19. Rd2 Qe8 20. Qb3 Bc6 21. Rxd8 Rxd8 22. Qe3 a6 23. Qxe5 Rd2 24. Qc3 Qd7 25. Bc2 Qd5 26. f3 h6 27. Bb3 Qd6 28. Bxe6+ Kh8 29. Bxf5 Re2 30. Rc1 Bd5 31. Qd4 Qe7 32. Kf1 Bxa2 33. Be4 Rxg2 34. Rc8+ 1-0

[Event "Kuopio We KSY"]
[Site "Kuopio"]
[Date "2012.??.??"]
[Round "1"]
[White "Torkkola, Henri"]
[Black "Piironen, Petri"]
[Result "1-0"]
[ECO "A39"]
[WhiteElo "2045"]
[PlyCount "109"]
[EventDate "2012.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 c5 2. g3 g6 3. Bg2 Bg7 4. Nc3 Nc6 5. Nf3 Nf6 6. d4 cxd4 7. Nxd4 0-0 8. 0-0 Nxd4 9. Qxd4 d6 10. Qd3 Rb8 11. Be3 b6 12. Bd4 Ba6 13. e4 e5 14. Be3 Qc7 15. b3 h6 16. Rfd1 Rbd8 17. Nb5 Qe7 18. Bc1 Bxb5 19. cxb5 Rd7 20. Ba3 Qe6 21. Rac1 Rfd8 22. Rc6 Bf8 23. Qf1 Ne8 24. Rdc1 Kg7 25. Bb2 Kh7 26. f4 exf4 27. gxf4 Qg4 28. R1c3 Bg7 29. Rg3 Qh4 30. Bxg7 Nxg7 31. f5 Nh5 32. Rf3 Qxe4 33. fxg6+ Qxg6 34. Kh1 Re7 35. Bh3 Ng7 36. Rc1 d5 37. Rf6 Qe4+ 38. Bg2 Qe3 39. Rcc6 h5 40. Rxf7 Rxf7 41. Qxf7 Qe1+ 42. Qf1 Qxf1+ 43. Bxf1 Rd7 44. Bd3+ Kg8 45. Bg6 Kf8 46. Kg2 d4 47. Kf2 d3 48. Ke1 Re7+ 49. Kd2 Re2+ 50. Kxd3 Rxa2 51. Rf6+ Kg8 52. h4 Rh2 53. Rf4 Ne6 54. Bf7+ Kg7 55. Bxe6 1-0

[Event "Jarvenpaa We JarvSK"]
[Site "Jarvenpaa"]
[Date "2011.??.??"]
[Round "4"]
[White "Elomaa, Arto"]
[Black "Piironen, Petri"]
[Result "1/2-1/2"]
[ECO "C45"]
[WhiteElo "1873"]
[PlyCount "134"]
[EventDate "2011.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Be3 Nxd4 6. Bxd4 Bxd4 7. Qxd4 Qf6 8. c3 d6 9. Bd3 Qg5 10. Nd2 Nf6 11. 0-0-0 Be6 12. Kb1 Qa5 13. Bc4 0-0 14. f4 b5 15. Bxe6 fxe6 16. Rdg1 Rab8 17. g4 b4 18. c4 Nd7 19. f5 e5 20. Qe3 Rb6 21. Nb3 Qa4 22. Nc1 Nc5 23. b3 Qc6 24. Re1 a5 25. Nd3 Nxd3 26. Qxd3 a4 27. Qd5+ Qxd5 28. cxd5 axb3 29. axb3 Ra8 30. Kb2 c6 31. dxc6 Rxc6 32. Rc1 Rb6 33. Ra1 Rab8 34. Rhc1 R8b7 35. Rc8+ Kf7 36. Raa8 d5 37. Rf8+ Ke7 38. Rae8+ Kd6 39. Re6+ Kc5 40. Rxe5 Kd4 41. Rfe8 Rh6 42. Rxd5+ Ke3 43. Rc5 Rxh2+ 44. Rc2 Rh1 45. e5 Rd7 46. Rb8 Rd4 47. e6 Re4 48. e7 Rxe7 49. Rxb4 Re4 50. Rxe4+ Kxe4 51. Rc7 h5 52. Rxg7 hxg4 53. Rxg4+ Kxf5 54. Rd4 Ke5 55. Rd8 Rh7 56. b4 Rh3 57. Rd2 Ke6 58. Kc2 Ke5 59. Rd3 Rxd3 60. Kxd3 Kd5 61. Kc3 Kd6 62. Kd4 Kc6 63. Kc4 Kb6 64. b5 Kb7 65. Kc5 Kc7 66. b6+ Kb7 67. Kb5 Kb8 1/2-1/2

[Event "Turku We TSY"]
[Site "Turku"]
[Date "2011.??.??"]
[Round "2"]
[White "Hosia, Akseli"]
[Black "Piironen, Petri"]
[Result "0-1"]
[ECO "A05"]
[WhiteElo "1840"]
[PlyCount "96"]
[EventDate "2011.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 Nf6 2. a3 g6 3. b4 Bg7 4. Bb2 c6 5. e4 d6 6. g3 Qb6 7. Qe2 e5 8. Bg2 c5 9. Nc3 0-0 10. 0-0 Bg4 11. bxc5 Qxc5 12. Qe3 Qc6 13. d4 Nbd7 14. d5 Qb6 15. Qxb6 Nxb6 16. Nd2 Rac8 17. Rfc1 Bh6 18. Ncb1 Na4 19. Ra2 Be2 20. c3 Bd3 21. Re1 Bxd2 22. Nxd2 Nxc3 23. Bxc3 Rxc3 24. Bf1 Bxf1 25. Kxf1 Rfc8 26. Ke2 Kf8 27. Rb1 b6 28. f3 Nd7 29. a4 f5 30. a5 Rc2 31. Rxc2 Rxc2 32. Kd3 Ra2 33. axb6 axb6 34. Nc4 Ke7 35. Nxb6 fxe4+ 36. fxe4 Nc5+ 37. Ke3 Ra3+ 38. Ke2 Nxe4 39. Rb2 Nc3+ 40. Kd2 Ne4+ 41. Ke2 h6 42. Nc4 Rc3 43. Ne3 Rc5 44. Rb7+ Kf6 45. h4 Nxg3+ 46. Kf3 Rc3 47. Rd7 Nf5 48. Kf2 Rxe3 0-1

[Event "Turku We TSY"]
[Site "Turku"]
[Date "2011.??.??"]
[Round "3"]
[White "Linqvist, Grels"]
[Black "Piironen, Petri"]
[Result "1-0"]
[ECO "E14"]
[WhiteElo "2077"]
[PlyCount "51"]
[EventDate "2011.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 e6 2. Nc3 d5 3. d4 Nf6 4. e3 Be7 5. Nf3 0-0 6. b3 b6 7. Bd3 Bb7 8. 0-0 Nbd7 9. Bb2 c5 10. Qe2 Re8 11. Ne5 dxc4 12. bxc4 Nf8 13. Rad1 Qb8 14. f4 h6 15. Bc2 Qc8 16. a4 N6d7 17. f5 Nxe5 18. dxe5 exf5 19. Bxf5 Ne6 20. Nd5 Bf8 21. Qg4 Kh8 22. Bc2 Nd8 23. Qe4 g6 24. e6+ Bg7 25. Bxg7+ Kxg7 26. Qe5+ 1-0

[Event "Turku We TSY"]
[Site "Turku"]
[Date "2011.??.??"]
[Round "5"]
[White "Nieminen, Markus"]
[Black "Piironen, Petri"]
[Result "1/2-1/2"]
[ECO "D08"]
[PlyCount "69"]
[EventDate "2011.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 e5 3. cxd5 Qxd5 4. Nf3 e4 5. Nc3 Bb4 6. Ne5 Nc6 7. Nxc6 Qxc6 8. Qb3 Qd6 9. a3 Bxc3+ 10. bxc3 Ne7 11. g3 b6 12. Bg2 Bb7 13. 0-0 0-0 14. a4 Kh8 15. f3 f5 16. fxe4 Bxe4 17. Bxe4 fxe4 18. Ba3 c5 19. Rf7 Nd5 20. Rxf8+ Rxf8 21. c4 Nb4 22. d5 Qf6 23. Qb2 Qf2+ 24. Kh1 Rf6 25. Rg1 Rh6 26. Rg2 Qf1+ 27. Rg1 Qh3 28. Rg2 Rf6 29. Qe5 Qf5 30. Qxf5 Rxf5 31. Bxb4 cxb4 32. Rg1 Kg8 33. a5 b5 34. Rb1 bxc4 35. Rxb4 1/2-1/2

[Event "Mikkeli Maenpaa Memorial"]
[Site "Mikkeli"]
[Date "2011.??.??"]
[Round "4"]
[White "Piironen, Petri"]
[Black "Auvinen, Esa"]
[Result "1-0"]
[ECO "C50"]
[BlackElo "1969"]
[PlyCount "53"]
[EventDate "2011.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 f5 4. d4 d6 5. Bxg8 Rxg8 6. d5 Ne7 7. Ng5 h6 8. Nh7 fxe4 9. 0-0 Bf5 10. Nxf8 Rxf8 11. c4 Ng8 12. Nc3 Nf6 13. b4 g5 14. c5 dxc5 15. bxc5 Rf7 16. Rb1 c6 17. Qa4 Qd7 18. Rxb7 Qxb7 19. dxc6 Qc8 20. Nb5 Kf8 21. Rd1 Ne8 22. Nd6 Qe6 23. Bb2 Rc7 24. h3 Rb8 25. Ba3 Ng7 26. Bb4 Kg8 27. Ba5 1-0

[Event "Turku We TSY"]
[Site "Turku"]
[Date "2011.??.??"]
[Round "4"]
[White "Piironen, Petri"]
[Black "Kangas, Lauri"]
[Result "0-1"]
[ECO "C02"]
[BlackElo "2067"]
[PlyCount "110"]
[EventDate "2011.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. a3 Bd7 7. Be2 Nh6 8. b4 cxd4 9. cxd4 Nf5 10. Be3 Rc8 11. 0-0 h5 12. Qd2 a6 13. Nc3 Nxb4 14. axb4 Bxb4 15. Qb2 Nxe3 16. fxe3 Rxc3 17. Rab1 Rxe3 18. Kf2 Rxe2+ 19. Qxe2 a5 20. Qe3 Bb5 21. Rfc1 Qd8 22. Kg1 Bc4 23. Ng5 b5 24. Rc2 Qe7 25. h4 g6 26. Rf2 0-0 27. Rf6 Qe8 28. Nh3 Kg7 29. Qg5 Be7 30. Nf4 Kh7 31. Nxh5 Bd3 32. Rc1 Qd8 33. Nf4 Bxf6 34. exf6 Be4 35. h5 Rh8 36. Qe5 Rf8 37. Kf2 b4 38. hxg6+ Bxg6 39. Rh1+ Kg8 40. Nxg6 fxg6 41. f7+ Rxf7+ 42. Ke2 Qf6 43. Qb8+ Rf8 44. Qh2 Qg7 45. Qd6 Re8 46. Qc6 Qf7 47. Rf1 Qe7 48. Qc1 g5 49. Qc2 Kg7 50. Qa4 e5 51. Rf3 exd4+ 52. Kd3 Qe4+ 53. Kd2 Qe2+ 54. Kc1 d3 55. Rxd3 Rc8+ 0-1

[Event "Jarvenpaa We JarvSK"]
[Site "Jarvenpaa"]
[Date "2011.??.??"]
[Round "3"]
[White "Piironen, Petri"]
[Black "Sipila, Markku"]
[Result "1-0"]
[ECO "C57"]
[BlackElo "2045"]
[PlyCount "73"]
[EventDate "2011.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 b5 6. Bf1 Nxd5 7. Bxb5 Bb7 8. Qf3 Qd7 9. 0-0 h6 10. Ne4 Be7 11. Nbc3 Ndb4 12. Ba4 f5 13. Qh5+ Kd8 14. Ng3 Rf8 15. d4 exd4 16. Rd1 Kc8 17. Nce2 Qd5 18. c3 Na6 19. Bb3 Qe5 20. cxd4 Qf6 21. Bd5 g5 22. Qf3 Nab4 23. Bxc6 Bxc6 24. d5 Bb7 25. Nc3 Bd6 26. Nb5 Bc5 27. Qb3 Rd8 28. Qc4 Qb6 29. Be3 Bxe3 30. fxe3 Nxd5 31. Nxf5 a6 32. Nbd4 Re8 33. Rac1 Rxe3 34. Nxe3 Nxe3 35. Qg8+ Kd7 36. Qf7+ Kd6 37. Qe6# 1-0

[Event "Jarvenpaa We JarvSK"]
[Site "Jarvenpaa"]
[Date "2011.??.??"]
[Round "2"]
[White "Piironen, Petri"]
[Black "Tocklin, Tomi"]
[Result "1-0"]
[ECO "B12"]
[BlackElo "1928"]
[PlyCount "55"]
[EventDate "2011.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bg4 6. Be2 e6 7. 0-0 Qb6 8. Nbd2 cxd4 9. cxd4 Nge7 10. Nb3 Nf5 11. Be3 Be7 12. h3 Bxf3 13. Bxf3 0-0 14. Rc1 Rac8 15. Bg4 Nxe3 16. fxe3 Na5 17. Rxc8 Rxc8 18. Nxa5 Qxa5 19. a3 Rc6 20. Qd3 Qc7 21. Kh2 Rc2 22. Rxf7 Kxf7 23. Qxh7 Bf8 24. Bh5+ Ke7 25. Qg6 Qc8 26. Qf7+ Kd8 27. Qxf8+ Kc7 28. Qd6# 1-0

[Event "Turku We TSY"]
[Site "Turku"]
[Date "2011.??.??"]
[Round "1"]
[White "Piironen, Petri"]
[Black "Tocklin, Tomi"]
[Result "1-0"]
[ECO "B12"]
[BlackElo "1928"]
[PlyCount "71"]
[EventDate "2011.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bg4 6. Be2 e6 7. 0-0 Qb6 8. Nbd2 cxd4 9. cxd4 Nge7 10. Nb3 Nf5 11. Be3 Be7 12. h3 Bh5 13. g4 Nxe3 14. fxe3 Bg6 15. Bd3 Rc8 16. a3 Na5 17. Nxa5 Qxa5 18. Qe2 Bxd3 19. Qxd3 0-0 20. Rac1 Rc7 21. Rc2 Rfc8 22. Rfc1 Qb6 23. Kg2 Rc6 24. Kg3 Rxc2 25. Rxc2 Rc6 26. h4 Qc7 27. Rh2 h6 28. g5 h5 29. g6 f6 30. Kh3 Qd8 31. Qe2 Qe8 32. Rg2 Qf8 33. Nh2 fxe5 34. Rf2 Bf6 35. Qxh5 Qe8 36. dxe5 1-0

[Event "Jarvenpaa We JarvSK"]
[Site "Jarvenpaa"]
[Date "2011.??.??"]
[Round "1"]
[White "Tiilikainen, Mikko"]
[Black "Piironen, Petri"]
[Result "1/2-1/2"]
[ECO "D00"]
[PlyCount "176"]
[EventDate "2011.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 e6 4. Nd2 Bd6 5. Bg3 0-0 6. Bd3 c5 7. c3 Nc6 8. f4 cxd4 9. cxd4 b6 10. Ngf3 Nb4 11. Bb5 a6 12. Be2 Ng4 13. Nf1 f6 14. a3 Nc6 15. h3 Nh6 16. Bh4 Nf5 17. Bf2 Nfe7 18. Bg3 a5 19. Rc1 a4 20. Bb5 Bd7 21. N1h2 Nf5 22. Bf2 Na5 23. Bd3 Nb3 24. Rc3 b5 25. 0-0 b4 26. axb4 Bxb4 27. Rc2 Nd6 28. Be1 Bxe1 29. Rxe1 Rc8 30. Nd2 Qb6 31. Nhf3 g6 32. Nxb3 axb3 33. Rxc8 Rxc8 34. Nd2 Nc4 35. Qxb3 Qxb3 36. Nxb3 Nxb2 37. Nc5 Rxc5 38. dxc5 Nxd3 39. Ra1 Nxc5 40. Ra7 Be8 41. Kf2 Ne4+ 42. Kf3 Bf7 43. Rd7 Kg7 44. Re7 f5 45. Rd7 Kf6 46. g4 g5 47. Ra7 h5 48. Rc7 fxg4+ 49. hxg4 Bg6 50. fxg5+ Kxg5 51. gxh5 Bxh5+ 52. Kg2 Kf5 53. Rh7 Bd1 54. Rf7+ Ke5 55. Rf8 Bg4 56. Rf4 Bf5 57. Rh4 Kd6 58. Kf3 Nd2+ 59. Ke2 Nc4 60. Rh8 Kc5 61. Rb8 Bg4+ 62. Kd3 Bh3 63. Ke2 Kd6 64. Rh8 Bg4+ 65. Kd3 Ne5+ 66. Kd2 Nf3+ 67. Kd3 Ke5 68. Rg8 Bf5+ 69. Ke2 Ke4 70. Rg3 Ne5 71. Rg7 Bg4+ 72. Kf2 Bd1 73. Rg3 Ng4+ 74. Ke1 Nxe3 75. Rg6 Bg4 76. Kd2 Bf5 77. Rh6 d4 78. Rh4+ Ng4 79. Rh8 e5 80. Rb8 Nh2 81. Rb4 Nf3+ 82. Ke2 Bg4 83. Kf2 Nd2 84. Ra4 Kf4 85. Ra3 e4 86. Ra4 e3+ 87. Ke1 Ke4 88. Rxd4+ Kxd4 1/2-1/2

[Event "Kuopio We KSY"]
[Site "Kuopio"]
[Date "2010.??.??"]
[Round "4"]
[White "Auvinen, Esa"]
[Black "Piironen, Petri"]
[Result "1-0"]
[ECO "C68"]
[WhiteElo "2001"]
[PlyCount "77"]
[EventDate "2010.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. d4 exd4 6. Qxd4 Qxd4 7. Nxd4 c5 8. Ne2 Be6 9. Nbc3 0-0-0 10. Bd2 g6 11. 0-0-0 Bg7 12. Be3 b6 13. Rxd8+ Kxd8 14. Rd1+ Kc8 15. Nd5 Nf6 16. Nxf6 Bxf6 17. a3 Rd8 18. Rxd8+ Kxd8 19. Nf4 Kd7 20. Nxe6 Kxe6 21. c3 Be7 22. Kd2 c4 23. Bf4 Bd6 24. Ke3 Bc5+ 25. Ke2 c6 26. Be3 Bxe3 27. Kxe3 c5 28. f4 b5 29. g4 h6 30. e5 Kd5 31. Kf3 a5 32. Ke3 g5 33. Kf3 a4 34. Ke3 Ke6 35. Ke4 gxf4 36. Kxf4 b4 37. h4 f6 38. exf6 Kxf6 39. Ke4 1-0

[Event "Kuopio We KSY"]
[Site "Kuopio"]
[Date "2010.??.??"]
[Round "2"]
[White "Lahti, Jouko"]
[Black "Piironen, Petri"]
[Result "0-1"]
[ECO "C25"]
[WhiteElo "2020"]
[PlyCount "41"]
[EventDate "2010.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nc6 3. f4 exf4 4. Nf3 d6 5. d4 g5 6. d5 Ne5 7. Nd4 Bg7 8. Be2 Ne7 9. h4 N7g6 10. h5 Nh4 11. 0-0 c6 12. Kh1 h6 13. Qe1 0-0 14. g3 Qd7 15. gxh4 Qh3+ 16. Kg1 Ng4 17. Bxg4 Bxd4+ 18. Rf2 Bxg4 19. Ne2 Bxe2 20. Qxe2 f3 21. Qd2 0-1

[Event "Jarvenpaa We JarvSK"]
[Site "Jarvenpaa"]
[Date "2010.??.??"]
[Round "1"]
[White "Piironen, Petri"]
[Black "Auvinen, Esa"]
[Result "1-0"]
[ECO "C50"]
[BlackElo "2001"]
[PlyCount "35"]
[EventDate "2010.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 f5 4. d4 fxe4 5. Nxe5 d5 6. Bb5 Qf6 7. 0-0 Bd7 8. Nxd7 Kxd7 9. Nc3 Qe6 10. f3 Nf6 11. fxe4 Nxe4 12. Nxe4 Qxe4 13. Re1 Qg6 14. Qf3 Bd6 15. Qh3+ Kd8 16. Re6 Qxc2 17. Bg5+ Be7 18. Rxe7 1-0

[Event "Kuopio We KSY"]
[Site "Kuopio"]
[Date "2010.??.??"]
[Round "3"]
[White "Piironen, Petri"]
[Black "Immonen, Vihtori"]
[Result "1/2-1/2"]
[ECO "B70"]
[BlackElo "1926"]
[PlyCount "71"]
[EventDate "2010.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Bc4 Bg7 7. 0-0 0-0 8. Kh1 Nc6 9. Nxc6 bxc6 10. Bd3 Qc7 11. f4 Nd7 12. Be3 Rb8 13. Rb1 Nb6 14. Qd2 d5 15. Bxb6 Qxb6 16. f5 dxe4 17. Bxe4 Rd8 18. Qe1 gxf5 19. Bxf5 Bxf5 20. Rxf5 Bxc3 21. Qxc3 Qxb2 22. Qg3+ Kh8 23. Rbf1 Rg8 24. Qh3 Qxc2 25. Rxf7 Rb2 26. Rxe7 Qxg2+ 27. Qxg2 Rbxg2 28. Rxa7 c5 29. Rc7 Rxa2 30. Rxc5 Rgg2 31. Rc8+ Kg7 32. Rg1 Rxg1+ 33. Kxg1 Kg6 34. Rg8+ Kf7 35. Rg2 Rxg2+ 36. Kxg2 1/2-1/2

[Event "Jarvenpaa We JarvSK"]
[Site "Jarvenpaa"]
[Date "2010.??.??"]
[Round "5"]
[White "Piironen, Petri"]
[Black "Kumpulainen, Jari"]
[Result "1/2-1/2"]
[ECO "B01"]
[BlackElo "1902"]
[PlyCount "75"]
[EventDate "2010.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 c6 5. Bc4 Bf5 6. Nf3 e6 7. 0-0 Nf6 8. Bd2 Qc7 9. h3 Nbd7 10. Re1 0-0-0 11. Be3 Kb8 12. Qe2 h6 13. a4 g5 14. Ne5 Nxe5 15. dxe5 Nd7 16. a5 Bc5 17. Bxc5 Nxc5 18. b4 Nd7 19. b5 cxb5 20. Nxb5 Qc5 21. Rab1 b6 22. a6 Qe7 23. Rb2 h5 24. Nd6 Bg6 25. Nb7 Rc8 26. Rd1 Rc7 27. Bb5 Nc5 28. Nxc5 Qxc5 29. c4 g4 30. Rbd2 Rhc8 31. hxg4 hxg4 32. Rd7 g3 33. Rxc7 Qxf2+ 34. Qxf2 gxf2+ 35. Kxf2 Rxc7 36. Rd8+ Rc8 37. Rxc8+ Kxc8 38. Ke3 1/2-1/2

[Event "Joensuu We JoeSK"]
[Site "Joensuu"]
[Date "2010.??.??"]
[Round "2"]
[White "Piironen, Petri"]
[Black "Saastamoinen, Aarne"]
[Result "1-0"]
[ECO "B33"]
[BlackElo "2173"]
[PlyCount "45"]
[EventDate "2010.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bd3 a6 8. Na3 b5 9. Nd5 b4 10. Nc4 Nxd5 11. exd5 Ne7 12. 0-0 f5 13. c3 bxc3 14. Qa4+ Kf7 15. bxc3 Bb7 16. Ba3 Nxd5 17. Bxf5 Qc7 18. Qb3 Kf6 19. Be4 Rb8 20. Rab1 Be7 21. Ne3 Nb6 22. Bxb7 Rxb7 23. Qxb6 1-0

[Event "Jarvenpaa We JarvSK"]
[Site "Jarvenpaa"]
[Date "2010.??.??"]
[Round "2"]
[White "Salmi, Ilkka"]
[Black "Piironen, Petri"]
[Result "1-0"]
[ECO "C24"]
[PlyCount "57"]
[EventDate "2010.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. d4 exd4 4. e5 d5 5. Qxd4 Ng4 6. Bxd5 Be6 7. Qa4+ Bd7 8. Qb3 Nxe5 9. Nf3 Bc6 10. Bxc6+ Nbxc6 11. Nxe5 Nxe5 12. Qxb7 Bd6 13. f4 Ng6 14. Qc6+ Kf8 15. 0-0 Rb8 16. Nc3 Rb6 17. Qd5 c6 18. Qc4 Qc7 19. g3 h5 20. Ne4 h4 21. Be3 Rb5 22. Rad1 Bxf4 23. Bxf4 Nxf4 24. Nd6 Rd5 25. Rxd5 Qb6+ 26. Rc5 Ne2+ 27. Kh1 Nxg3+ 28. hxg3 hxg3+ 29. Kg1 1-0

[Event "Jarvenpaa We JarvSK"]
[Site "Jarvenpaa"]
[Date "2010.??.??"]
[Round "4"]
[White "Tuominen, Joona"]
[Black "Piironen, Petri"]
[Result "1-0"]
[ECO "A39"]
[WhiteElo "1849"]
[PlyCount "65"]
[EventDate "2010.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 c5 3. Nc3 Nc6 4. g3 g6 5. Bg2 Bg7 6. 0-0 0-0 7. d4 cxd4 8. Nxd4 a6 9. e4 Nxe4 10. Nxc6 Nxc3 11. Nxd8 Nxd1 12. Nxb7 Nxb2 13. Bxb2 Bxb7 14. Bxb7 Bxb2 15. Rab1 Bd4 16. Bxa8 Rxa8 17. Rb7 Rd8 18. Rfb1 Kf8 19. Rb8 Ke8 20. Rxd8+ Kxd8 21. Rb8+ Kc7 22. Rf8 f5 23. g4 Bf6 24. gxf5 gxf5 25. Kf1 h6 26. Ke2 Be5 27. Rxf5 Bxh2 28. Ke3 e5 29. Ke4 Kc6 30. Rf6+ Kc5 31. Rxh6 Bf4 32. Rxa6 Kxc4 33. Rd6 1-0

[Event "Jarvenpaa We JarvSK"]
[Site "Jarvenpaa"]
[Date "2008.??.??"]
[Round "3"]
[White "Lehtela, Antti"]
[Black "Piironen, Petri"]
[Result "1-0"]
[ECO "D06"]
[PlyCount "45"]
[EventDate "2008.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 Nf6 3. cxd5 Nxd5 4. e4 Nf6 5. Nc3 e6 6. Nf3 Be7 7. Bd3 Nc6 8. h3 0-0 9. Be3 b6 10. Rc1 Bb7 11. 0-0 a6 12. Bb1 Ne8 13. a3 g6 14. Qe2 Ng7 15. Rfd1 Rc8 16. d5 exd5 17. Nxd5 Bd6 18. Bg5 f6 19. Nxf6+ Rxf6 20. e5 Nxe5 21. Nxe5 Qe7 22. Ba2+ Ne6 23. Ng4 1-0

[Event "Jarvenpaa We JarvSK"]
[Site "Jarvenpaa"]
[Date "2008.??.??"]
[Round "1"]
[White "Rotova, Merike"]
[Black "Piironen, Petri"]
[Result "1-0"]
[ECO "C25"]
[PlyCount "49"]
[EventDate "2008.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nc6 3. f4 exf4 4. Nf3 g5 5. Bc4 Bg7 6. 0-0 d6 7. d4 h6 8. g3 Bh3 9. Rf2 Nf6 10. gxf4 g4 11. e5 gxf3 12. Qxf3 Qd7 13. exf6 Bxf6 14. Re2+ Kf8 15. Be3 Rg8+ 16. Kh1 Bg4 17. Qf2 Bxe2 18. Bxe2 Qh3 19. Rg1 Re8 20. Rxg8+ Kxg8 21. Nd5 Bh4 22. Qg1+ Kh8 23. Bg4 Rxe3 24. Nxe3 Bf2 25. Qxf2 1-0

[Event "Heart of Finland op 17th"]
[Site "Jyvaskyla"]
[Date "2007.07.17"]
[Round "3"]
[White "Piironen, Petri"]
[Black "Mertanen, Janne"]
[Result "0-1"]
[ECO "B02"]
[BlackElo "2300"]
[PlyCount "56"]
[EventDate "2007.07.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FIN"]
[SourceTitle "CBM 119 Extra"]
[Source "ChessBase"]
[SourceDate "2007.09.04"]
[SourceVersion "1"]
[SourceVersionDate "2007.09.04"]
[SourceQuality "1"]

1. e4 Nf6 2. Nc3 d5 3. exd5 Nxd5 4. Qf3 Nb6 5. b3 Nc6 6. Bb5 Bd7 7. Bxc6 Bxc6 8. Qg3 Qd6 9. Qxd6 cxd6 10. f3 g5 11. h4 g4 12. fxg4 Bxg2 13. Rh2 Bc6 14. Bb2 Rg8 15. g5 h6 16. Nh3 hxg5 17. hxg5 Bg7 18. 0-0-0 Rh8 19. d4 Rc8 20. Ne2 Be4 21. c4 Nd5 22. Kd2 Bf5 23. Rdh1 b5 24. Nc3 Nxc3 25. Kxc3 Rh4 26. Kb4 bxc4 27. bxc4 Bxd4 28. Bxd4 Rxd4 0-1

[Event "Kuopio We KSY"]
[Site "Kuopio"]
[Date "2006.??.??"]
[Round "4"]
[White "Kosmo, Santul"]
[Black "Piironen, Petri"]
[Result "1-0"]
[ECO "C31"]
[WhiteElo "2232"]
[PlyCount "75"]
[EventDate "2006.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. f4 d5 3. exd5 c6 4. Nc3 cxd5 5. fxe5 d4 6. Ne4 Qd5 7. Bd3 Nh6 8. Nf3 Be7 9. Qe2 Be6 10. 0-0 Nc6 11. c4 Qa5 12. Ng3 0-0-0 13. a3 Ng4 14. Re1 h5 15. Rb1 h4 16. b4 Qc7 17. Nf5 g6 18. Ng7 Qd7 19. c5 Bd5 20. b5 Bxc5 21. bxc6 Qxc6 22. Bb2 Rh7 23. Rec1 Kb8 24. Nxd4 Rxg7 25. Qxg4 Be6 26. Rxc5 Qxc5 27. Qf4 g5 28. Qe3 Ba2 29. Rc1 Qb6 30. Bc3 Rgg8 31. Be4 g4 32. Nf5 Qxe3+ 33. Nxe3 h3 34. Kf2 g3+ 35. hxg3 h2 36. Rh1 Rh8 37. Ng4 Be6 38. Ne3 1-0

[Event "Kuopio We KSY"]
[Site "Kuopio"]
[Date "2006.??.??"]
[Round "1"]
[White "Piironen, Petri"]
[Black "Hintikka, Eero"]
[Result "0-1"]
[ECO "C31"]
[BlackElo "2134"]
[PlyCount "64"]
[EventDate "2006.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. f4 d5 3. exd5 Bc5 4. Bb5+ c6 5. dxc6 bxc6 6. Qf3 Bxg1 7. Rxg1 Qb6 8. d4 Qxb5 9. Nc3 Qb6 10. fxe5 Qxd4 11. Be3 Qxe5 12. 0-0-0 Ne7 13. Kb1 0-0 14. Rd4 Be6 15. Rgd1 Nd5 16. Nxd5 Bxd5 17. Qf2 Na6 18. Rg4 Bxa2+ 19. Kc1 Qe6 20. Qg3 g6 21. Rd6 Qf5 22. b3 Rad8 23. Rxc6 Rc8 24. Rgc4 Rxc6 25. Rxc6 Nb4 26. Rc3 Re8 27. Bh6 Qf6 28. Qe3 Qd8 29. Qc5 a5 30. Rf3 Re2 31. Rc3 Rxc2+ 32. Rxc2 Nd3+ 0-1

[Event "Kuopio We KSY"]
[Site "Kuopio"]
[Date "2006.??.??"]
[Round "3"]
[White "Piironen, Petri"]
[Black "Karttunen, Mika"]
[Result "0-1"]
[ECO "B43"]
[BlackElo "2395"]
[PlyCount "22"]
[EventDate "2006.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Be3 Nf6 7. f3 Bb4 8. Qd2 d5 9. Bd3 e5 10. 0-0 exd4 11. Bxd4 Bc5 0-1

[Event "Turku We TuTS op"]
[Site "Turku"]
[Date "2005.12.04"]
[Round "5"]
[White "Piironen, Petri"]
[Black "Sipila, Vilka"]
[Result "0-1"]
[ECO "B00"]
[BlackElo "2044"]
[PlyCount "84"]
[EventDate "2005.12.02"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 a5 2. d4 e6 3. c4 d5 4. e5 c5 5. cxd5 Qxd5 6. Nf3 cxd4 7. Qxd4 Qxd4 8. Nxd4 Bd7 9. Nc3 Nc6 10. Nxc6 Bxc6 11. Bb5 0-0-0 12. Bxc6 bxc6 13. 0-0 Bc5 14. Ne4 Be7 15. Be3 f5 16. Ng5 Bxg5 17. Bxg5 Rd5 18. Rfd1 h6 19. Bf4 g5 20. Bd2 Ne7 21. Bc3 Rhd8 22. Re1 Kb7 23. Rab1 Kb6 24. a4 Rd3 25. g3 Nd5 26. Red1 Nxc3 27. bxc3+ Kc5 28. Re1 h5 29. Rb7 h4 30. Rh7 hxg3 31. hxg3 Rd1 32. Rxd1 Rxd1+ 33. Kg2 Ra1 34. Rd7 Rxa4 35. Rd6 Rc4 36. Rxe6 Kd5 37. Re8 Rxc3 38. e6 Rc5 39. Kf3 Kd6 40. g4 Rc3+ 41. Ke2 fxg4 42. e7 Rc5 0-1

[Event "Turku We TuTS op"]
[Site "Turku"]
[Date "2005.12.04"]
[Round "4"]
[White "Seppala, Mikko"]
[Black "Piironen, Petri"]
[Result "1-0"]
[ECO "A07"]
[PlyCount "63"]
[EventDate "2005.12.02"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. 0-0 Nf6 5. d3 0-0 6. Nbd2 Re8 7. e4 e5 8. exd5 Nxd5 9. Ne4 Nc6 10. Bd2 f5 11. Nc3 Be6 12. Ng5 Nxc3 13. Nxe6 Nxd1 14. Nxd8 Nxd8 15. Raxd1 c6 16. Bc3 Ne6 17. Rfe1 Nd4 18. Bxd4 exd4 19. Kf1 Kf7 20. a4 a5 21. h3 Rxe1+ 22. Rxe1 Re8 23. Rb1 Ke6 24. b4 axb4 25. Rxb4 Re7 26. a5 Kd6 27. Ra4 h6 28. g4 Re8 29. a6 b5 30. Ra2 Kc5 31. a7 Ra8 32. Ra6 1-0

[Event "Turku We TuTS op"]
[Site "Turku"]
[Date "2005.12.03"]
[Round "3"]
[White "Piironen, Petri"]
[Black "Linqvist, Grels"]
[Result "0-1"]
[ECO "C02"]
[BlackElo "2066"]
[PlyCount "91"]
[EventDate "2005.12.02"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Bd3 Bd7 6. Ne2 Qb6 7. Bc2 Rc8 8. 0-0 cxd4 9. cxd4 Nb4 10. Bb3 Bb5 11. Nbc3 Bxe2 12. Nxe2 Ne7 13. a3 Nbc6 14. Bc2 Na5 15. f4 h5 16. f5 Nxf5 17. Bxf5 exf5 18. Rxf5 Be7 19. Nc3 Nb3 20. Nxd5 Qxd4+ 21. Qxd4 Nxd4 22. Nxe7 Kxe7 23. Bg5+ Ke6 24. Rf2 Nf5 25. Raf1 g6 26. h3 Rc4 27. b3 Re4 28. Rc2 Kxe5 29. Rc7 f6 30. Bd2 Rb8 31. Kf2 Kd6 32. Rfc1 Ke6 33. Kf3 Re5 34. R1c4 Nd6 35. Rb4 g5 36. g4 hxg4+ 37. hxg4 Rh8 38. Bc3 Rh3+ 39. Kg2 Ree3 40. Bd4 Reg3+ 41. Kf1 Rxb3 42. Bxa7 Rxa3 43. Kg2 Rhd3 44. Rb2 Rxa7 45. Re2+ Kd5 46. Rce7 0-1

[Event "Turku We TuTS op"]
[Site "Turku"]
[Date "2005.12.03"]
[Round "2"]
[White "Piironen, Petri"]
[Black "Malmi, Eric"]
[Result "1-0"]
[ECO "B12"]
[BlackElo "2048"]
[PlyCount "57"]
[EventDate "2005.12.02"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Bd3 cxd4 6. cxd4 Qb6 7. Ne2 Bg4 8. Nbc3 e6 9. a3 Nge7 10. f3 Bf5 11. f4 a6 12. b4 Rc8 13. Na4 Qa7 14. Bb2 h6 15. Nc5 g5 16. 0-0 Qb6 17. Ng3 Bxd3 18. Qxd3 gxf4 19. Rxf4 Ng6 20. Rf2 h5 21. Nxe6 Ncxe5 22. dxe5 Qxe6 23. Rf6 Qg4 24. e6 Ne7 25. exf7+ Kd7 26. Nf5 Qe4 27. Qxe4 dxe4 28. Rd1+ Kc7 29. Be5# 1-0

[Event "Turku We TuTS op"]
[Site "Turku"]
[Date "2005.12.02"]
[Round "1"]
[White "Hintikka, Eero"]
[Black "Piironen, Petri"]
[Result "1-0"]
[ECO "D80"]
[WhiteElo "2132"]
[PlyCount "75"]
[EventDate "2005.12.02"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 d5 2. Bg5 g6 3. e3 Bg7 4. c4 c6 5. Nc3 Nf6 6. Qb3 0-0 7. Bxf6 dxc4 8. Bxe7 Qxe7 9. Qxc4 Be6 10. Qd3 b5 11. Nf3 Na6 12. Be2 Rad8 13. 0-0 Nc5 14. Qd1 b4 15. Na4 Ne4 16. Qc2 Bd5 17. Bc4 h5 18. Bxd5 cxd5 19. Rac1 h4 20. Qc7 Rd7 21. Qf4 g5 22. Qf5 Qe6 23. Qxe6 fxe6 24. h3 Bf6 25. Rc6 Kf7 26. Rd1 Rg8 27. Ne5+ Bxe5 28. dxe5 Rb8 29. f3 Ng3 30. e4 Rb5 31. Nc5 Re7 32. exd5 exd5 33. e6+ Kg6 34. Rxd5 Ra5 35. Rd7 Kf6 36. Rc8 Rxc5 37. Rxc5 Rxe6 38. Rd2 1-0

[Event "Joensuu op"]
[Site "Joensuu"]
[Date "1996.??.??"]
[Round "2"]
[White "Behm, Jukka"]
[Black "Piironen, Petri"]
[Result "1-0"]
[ECO "B26"]
[PlyCount "56"]
[EventDate "1996.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 g6 3. d3 Bg7 4. g3 Nc6 5. Bg2 d6 6. Be3 Qb6 7. Qc1 Nf6 8. h3 0-0 9. Nge2 Bd7 10. 0-0 Rac8 11. Rb1 Nd4 12. Kh2 e5 13. Qd2 Be6 14. f4 Nxe2 15. Qxe2 exf4 16. gxf4 Qc7 17. a3 Nh5 18. Bf3 Nf6 19. Bd2 Rfe8 20. Qg2 Kh8 21. Rg1 Rg8 22. Rbe1 Nd7 23. Kh1 f5 24. exf5 Bxf5 25. Nd5 Qb8 26. Ne7 Bd4 27. Nxg8 Rxg8 28. Qe2 Bxg1 1-0

[Event "Joensuu op"]
[Site "Joensuu"]
[Date "1996.??.??"]
[Round "1"]
[White "Karttunen, Mika"]
[Black "Piironen, Petri"]
[Result "1/2-1/2"]
[ECO "A25"]
[PlyCount "97"]
[EventDate "1996.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e5 3. g3 Bb4 4. Bg2 Nc6 5. Nd5 0-0 6. a3 Bc5 7. e3 a5 8. Ne2 Re8 9. d3 d6 10. 0-0 Bf5 11. Nec3 Nxd5 12. Nxd5 a4 13. Nc3 Qc8 14. Nxa4 Bxd3 15. Qxd3 Rxa4 16. b3 Ra8 17. Bb2 Qg4 18. h3 Qe6 19. b4 Bb6 20. Qc3 Qg6 21. Bd5 e4 22. c5 dxc5 23. bxc5 Ba5 24. Qb3 Ne7 25. Bxb7 Reb8 26. Rfd1 c6 27. Be5 Nf5 28. Rd7 Nh4 29. Bxb8 Nf3+ 30. Kf1 Rxb8 31. Rad1 Ne5 32. R7d6 Qf5 33. Kg2 Qf3+ 34. Kg1 Nd3 35. R6xd3 exd3 36. Qxd3 g6 37. Rb1 Rd8 38. Qa6 Rd2 39. Rf1 Rxf2 40. Rxf2 Qxg3+ 41. Kf1 Qxh3+ 42. Ke2 Qg4+ 43. Rf3 Qg2+ 44. Rf2 Qg4+ 45. Kf1 Qd1+ 46. Kg2 Qg4+ 47. Kh1 Qh3+ 48. Rh2 Qf3+ 49. Rg2 1/2-1/2

[Event "Hyvinkaa op"]
[Site "Hyvinkaa"]
[Date "1994.??.??"]
[Round "?"]
[White "Forsstroem, Martin"]
[Black "Piironen, Petri"]
[Result "0-1"]
[ECO "D08"]
[PlyCount "44"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 d5 2. c4 e5 3. dxe5 d4 4. Nf3 Nc6 5. a3 Bg4 6. Qd3 Qd7 7. Bf4 0-0-0 8. Nbd2 Bf5 9. Qb3 Nge7 10. Qd1 Ng6 11. Bg5 Be7 12. Bxe7 Qxe7 13. g3 Ngxe5 14. Bg2 Nd3+ 15. Kf1 Nxf2 16. Kxf2 Qe3+ 17. Ke1 Rhe8 18. Ng1 Ne5 19. Bxb7+ Kb8 20. Kf1 d3 21. Bg2 dxe2+ 22. Qxe2 Bd3 0-1

[Event "Hyvinkaa op"]
[Site "Hyvinkaa"]
[Date "1994.??.??"]
[Round "?"]
[White "Piironen, Petri"]
[Black "Hynynen, Petri"]
[Result "0-1"]
[ECO "C32"]
[PlyCount "130"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e5 2. f4 d5 3. exd5 e4 4. Nc3 Nf6 5. d3 Bc5 6. dxe4 Ng4 7. Nh3 0-0 8. Qf3 c6 9. Bd2 b5 10. 0-0-0 Qa5 11. Kb1 b4 12. Ne2 cxd5 13. exd5 Qb6 14. Nc1 Nf6 15. Nb3 Bg4 16. Qd3 Bxd1 17. Nxc5 Qxc5 18. Be3 Qxd5 19. Qxd5 Nxd5 20. Bd4 Bg4 21. Bc4 Nb6 22. Bd3 h6 23. f5 N8d7 24. Nf2 Bxf5 25. Bxf5 Rfe8 26. Nd3 g6 27. Bg4 Re4 28. Bxb6 Rxg4 29. Ba5 Rxg2 30. Bxb4 Re8 31. c4 g5 32. h4 g4 33. Bc3 Re4 34. h5 g3 35. c5 Rh2 36. Rg1 g2 37. Kc2 Rg4 38. c6 Nb6 39. Ne1 Rh1 40. Nf3 Rxg1 41. Nxg1 Rc4 42. Kd3 Rxc6 43. Ke2 Nd5 44. Bd4 Rc2+ 45. Kf3 a5 46. a3 a4 47. Ke4 Ne7 48. Kd3 Rc1 49. Kd2 Rf1 50. Ke2 Nf5 51. Bf2 Rb1 52. Kf3 Rxb2 53. Kxg2 Ra2 54. Kf3 Rxa3+ 55. Kf4 Ng7 56. Bc5 Ra1 57. Ne2 Nxh5+ 58. Kg4 Nf6+ 59. Kf5 Nd5 60. Nd4 a3 61. Ke4 Nf6+ 62. Kf5 Rf1+ 63. Ke5 Nd7+ 64. Kd5 Nxc5 65. Kxc5 a2 0-1

[Event "Hyvinkaa op"]
[Site "Hyvinkaa"]
[Date "1994.??.??"]
[Round "?"]
[White "Piironen, Petri"]
[Black "Janhunen, Teemu"]
[Result "1-0"]
[ECO "B72"]
[PlyCount "67"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[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. d4 cxd4 4. Nxd4 d6 5. Nc3 g6 6. Be3 Bg7 7. Qd2 Nf6 8. Be2 0-0 9. 0-0-0 Nd7 10. f4 Re8 11. f5 Nde5 12. g4 Bd7 13. h4 Rc8 14. h5 Qa5 15. hxg6 hxg6 16. Nb3 Qd8 17. Bh6 Bf6 18. Qe3 Na5 19. Qh3 Nxb3+ 20. axb3 Rxc3 21. bxc3 Nc6 22. Kb2 Qa5 23. Bg5 Bg7 24. Qh7+ Kf8 25. f6 exf6 26. Bf4 Ne5 27. Rxd6 f5 28. Rd5 Nc4+ 29. Kb1 Na3+ 30. Kc1 Nb5 31. Bd6+ Re7 32. Bxe7+ Kxe7 33. Rxd7+ Kxd7 34. Bxb5+ 1-0

[Event "Hyvinkaa op"]
[Site "Hyvinkaa"]
[Date "1994.??.??"]
[Round "?"]
[White "Piironen, Petri"]
[Black "Kalteinen, Aimo"]
[Result "0-1"]
[ECO "C30"]
[PlyCount "32"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. Bc4 Nf6 5. Nc3 0-0 6. d4 exd4 7. Nxd4 Re8 8. Nf3 Nxe4 9. Bxf7+ Kxf7 10. Qd5+ Kf8 11. Nxe4 c6 12. Qc4 b5 13. Qd3 d5 14. Qc3 Rxe4+ 15. Kf1 Qe7 16. g3 Bh3# 0-1

[Event "Hyvinkaa op"]
[Site "Hyvinkaa"]
[Date "1994.??.??"]
[Round "?"]
[White "Routama, J."]
[Black "Piironen, Petri"]
[Result "1/2-1/2"]
[ECO "C99"]
[PlyCount "119"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. 0-0 d6 5. Re1 a6 6. Ba4 b5 7. Bb3 Be7 8. c3 0-0 9. h3 Na5 10. Bc2 c5 11. d4 cxd4 12. cxd4 Qc7 13. Nbd2 Nc6 14. d5 Nb4 15. Bb1 a5 16. a3 Na6 17. Nf1 Nc5 18. Ng3 Bd7 19. Bg5 b4 20. Bc2 h6 21. Be3 Rfc8 22. Qd2 b3 23. Bd3 Nxd3 24. Qxd3 Qc2 25. Qxc2 bxc2 26. Re2 Rab8 27. b4 axb4 28. axb4 Rxb4 29. Rc1 Rb1 30. Ne1 Rxc1 31. Bxc1 Ba4 32. f3 Rb8 33. Nd3 Bb5 34. Rd2 Bd8 35. Nb2 Bb6+ 36. Kh2 Rc8 37. Nf5 Rc3 38. Nxd6 Ba6 39. Na4 Rb3 40. Nxb6 Rxb6 41. Nf5 Kh7 42. Rxc2 Nxd5 43. exd5 Bd3 44. Rc6 Rxc6 45. dxc6 Bxf5 46. c7 g5 47. Ba3 Kg6 48. Kg3 h5 49. Be7 Bc8 50. Kf2 f5 51. Bd6 Kf6 52. Ke3 Ke6 53. Bb4 Kd5 54. Kd3 Ba6+ 55. Ke3 f4+ 56. Kf2 e4 57. fxe4+ Kxe4 58. Be7 g4 59. hxg4 hxg4 60. Bh4 1/2-1/2

[Event "Hyvinkaa op"]
[Site "Hyvinkaa"]
[Date "1993.??.??"]
[Round "?"]
[White "Forsstroem, Martin"]
[Black "Piironen, Petri"]
[Result "1/2-1/2"]
[ECO "D15"]
[PlyCount "68"]
[EventDate "1993.??.??"]
[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. c4 dxc4 3. Nc3 c6 4. e4 b5 5. Nf3 Nf6 6. a3 Bg4 7. Be2 g6 8. h3 Bd7 9. Qc2 Bg7 10. Bf4 0-0 11. b3 Qa5 12. 0-0 cxb3 13. Qxb3 Qb6 14. Rad1 a5 15. Be5 Na6 16. Rb1 h6 17. Rfe1 Kh7 18. Bd3 Be6 19. Qb2 Qd8 20. Re2 Qd7 21. Rd1 b4 22. axb4 axb4 23. Bxa6 bxc3 24. Qb7 Qd8 25. Bd3 Bd7 26. Qb4 Qa5 27. Qxa5 Rxa5 28. Rc2 Ra3 29. Rdc1 Rfa8 30. Rxc3 Rxc3 31. Rxc3 Ra1+ 32. Kh2 Ra2 33. Kg1 Ra1+ 34. Kh2 Ra2 1/2-1/2

[Event "Hyvinkaa op"]
[Site "Hyvinkaa"]
[Date "1993.??.??"]
[Round "?"]
[White "Piironen, Petri"]
[Black "Heimola, Tero"]
[Result "1-0"]
[ECO "B00"]
[PlyCount "59"]
[EventDate "1993.??.??"]
[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 g5 2. d4 h6 3. Bc4 d6 4. Qh5 e6 5. e5 dxe5 6. dxe5 Qd4 7. Qe2 Bg7 8. Nf3 Qd8 9. h3 Nc6 10. 0-0 Nge7 11. Rd1 Nd5 12. Nc3 Nce7 13. Ne4 Nf5 14. g4 Nfe7 15. Bb5+ c6 16. Ba4 Qc7 17. Nd6+ Kf8 18. c4 Nb6 19. Bc2 Nd7 20. b3 f5 21. Bb2 Ng6 22. gxf5 Nf4 23. Qe3 exf5 24. e6 Bxb2 25. e7+ Kg7 26. e8Q Qxd6 27. Qxh8+ Kxh8 28. Rxd6 Bxa1 29. Qe8+ Kg7 30. Qe7+ 1-0

[Event "Hyvinkaa op"]
[Site "Hyvinkaa"]
[Date "1993.??.??"]
[Round "?"]
[White "Piironen, Petri"]
[Black "Lehtinen, Antti"]
[Result "0-1"]
[ECO "C56"]
[PlyCount "60"]
[EventDate "1993.??.??"]
[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. c3 Nf6 5. 0-0 Nxe4 6. d4 exd4 7. cxd4 Be7 8. d5 Nb8 9. Re1 Nd6 10. Bb3 0-0 11. Bc2 Ne8 12. Qd3 g6 13. Bh6 Ng7 14. Nc3 d6 15. Ne4 Bf6 16. Nxf6+ Qxf6 17. Qc4 c6 18. dxc6 Nxc6 19. Bg5 Qxb2 20. Rab1 Qa3 21. Bf6 Qc5 22. Qf4 Nh5 23. Qg5 Qxc2 24. Ba1 Qf5 25. Qh6 f6 26. h4 Qf4 27. Ng5 fxg5 28. Re2 Bg4 29. Rxb7 Rf7 30. Rxf7 Qxf7 0-1

[Event "Hyvinkaa op"]
[Site "Hyvinkaa"]
[Date "1993.??.??"]
[Round "?"]
[White "Piironen, Petri"]
[Black "Raki, Jyrki"]
[Result "1-0"]
[ECO "B07"]
[PlyCount "97"]
[EventDate "1993.??.??"]
[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 d6 2. d4 g6 3. Nc3 Bg7 4. Be3 Nf6 5. Qd2 0-0 6. Bh6 e5 7. Bxg7 Kxg7 8. Be2 exd4 9. Qxd4 Nc6 10. Qd2 Qe7 11. f3 Be6 12. g4 h5 13. g5 Nh7 14. f4 f5 15. 0-0-0 fxe4 16. Nxe4 Bf5 17. Qc3+ Kg8 18. Bc4+ Be6 19. Ne2 Rae8 20. Rhe1 d5 21. Rxd5 Qb4 22. Rc5 Qxc3 23. Bxe6+ Rxe6 24. N2xc3 Rfe8 25. h4 Kg7 26. f5 gxf5 27. Rxf5 Rf8 28. Ref1 Rxf5 29. Rxf5 Ne7 30. Rf3 Ng6 31. Rh3 b6 32. Kd2 c5 33. Ke3 Nhf8 34. Nd5 Nd7 35. Nf4 Re5 36. Nxh5+ Kf7 37. Nhf6 Nxf6 38. gxf6 Nf8 39. h5 Nh7 40. Kf4 Re6 41. Kf5 Rc6 42. Ng5+ Nxg5 43. Kxg5 Rxf6 44. h6 Rg6+ 45. Kf5 Rg8 46. h7 Rh8 47. Rd3 Rf8 48. Rd7+ Ke8+ 49. Ke6 1-0

[Event "Hyvinkaa op"]
[Site "Hyvinkaa"]
[Date "1993.??.??"]
[Round "?"]
[White "Rautanen, Sari"]
[Black "Piironen, Petri"]
[Result "1/2-1/2"]
[ECO "D20"]
[PlyCount "75"]
[EventDate "1993.??.??"]
[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. c4 dxc4 3. Qa4+ Bd7 4. Qxc4 e6 5. Nf3 b5 6. Qc2 Nc6 7. e4 Nb4 8. Qb3 c5 9. Nc3 c4 10. Qd1 Nf6 11. b3 Rc8 12. Bb2 Qa5 13. Be2 Nxe4 14. 0-0 Nf6 15. Ne5 Nbd5 16. Rc1 Nxc3 17. Bxc3 b4 18. Bd2 c3 19. Bg5 Be7 20. Bxf6 Bxf6 21. Nxd7 Kxd7 22. Re1 Rhd8 23. Bc4 Bg5 24. Re5 Qxe5 25. dxe5+ Ke7 26. Qf1 Bxc1 27. Qxc1 Rd2 28. a3 Rcd8 29. Bf1 a5 30. axb4 axb4 31. g3 Rd1 32. Qe3 R8d4 33. Qf3 c2 34. Qb7+ Rd7 35. Qxb4+ Ke8 36. Qb8+ Rd8 37. Qb5+ R8d7 38. Qb8+ 1/2-1/2

