[Event "Antwerp League-ch Experts"]
[Site "Deurne"]
[Date "1987.02.22"]
[Round "9"]
[White "Schuermans, Robert"]
[Black "Petri, Peter"]
[Result "1-0"]
[ECO "B78"]
[WhiteElo "2207"]
[BlackElo "2142"]
[PlyCount "51"]
[EventDate "1986.10.26"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BEL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2 0-0 9. Bc4 Bd7 10. h4 Rc8 11. Bb3 h5 12. 0-0-0 Ne5 13. Bg5 Rc5 14. Kb1 a5 15. a3 Qb6 16. Bxf6 Bxf6 17. Nd5 Rxd5 18. Bxd5 Nc6 19. c3 Nxd4 20. cxd4 e6 21. Ba2 Ba4 22. Rde1 Rc8 23. Rc1 Rxc1+ 24. Rxc1 Qxd4 25. Qxd4 Bxd4 26. Rc4 1-0

[Event "Antwerp League-ch Experts"]
[Site "Deurne"]
[Date "1987.02.08"]
[Round "6"]
[White "Cools, Gorik"]
[Black "Petri, Peter"]
[Result "1-0"]
[ECO "C63"]
[WhiteElo "2258"]
[BlackElo "2142"]
[PlyCount "65"]
[EventDate "1986.10.26"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BEL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. d3 fxe4 5. dxe4 Nf6 6. 0-0 Bc5 7. Qd3 d6 8. Nc3 a6 9. Bxc6+ bxc6 10. Na4 Ba7 11. c4 Qe7 12. Bg5 h6 13. Bh4 g5 14. Bg3 Nh5 15. c5 Nxg3 16. hxg3 Bb7 17. Nd2 0-0-0 18. Nc4 d5 19. Na5 dxe4 20. Qb3 Ba8 21. Qc4 Bb7 22. Nxc6 Bxc6 23. Qxa6+ Bb7 24. Qxa7 Qd7 25. c6 Bxc6 26. Rac1 Qd4 27. Nc5 Qd5 28. Rfd1 Qxd1+ 29. Rxd1 Rxd1+ 30. Kh2 Rd6 31. Na6 Bb7 32. Qb8+ Kd7 33. Qxb7 1-0

[Event "Antwerp League-ch Experts"]
[Site "Deurne"]
[Date "1987.01.25"]
[Round "5"]
[White "Petri, Peter"]
[Black "Baert, Andy"]
[Result "1-0"]
[ECO "A06"]
[WhiteElo "2142"]
[BlackElo "2176"]
[PlyCount "67"]
[EventDate "1986.10.26"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BEL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. Nf3 d5 2. b3 c5 3. Bb2 Nc6 4. e3 Nf6 5. Bb5 Qb6 6. Bxc6+ Qxc6 7. Ne5 Qc7 8. f4 e6 9. d3 b6 10. Nd2 Bb7 11. Ndf3 h6 12. Qe2 0-0-0 13. 0-0-0 b5 14. c4 bxc4 15. bxc4 Rd6 16. g4 Ra6 17. a3 dxc4 18. dxc4 Bd6 19. g5 hxg5 20. fxg5 Ne4 21. Rhg1 Ra4 22. Qc2 Ra6 23. Ng4 Rh3 24. Nd2 Nxg5 25. Nf2 Rxh2 26. Rxg5 Rxf2 27. Rxg7 Bc6 28. Qh7 Be5 29. Bxe5 Qxe5 30. Qh8+ Be8 31. Qxe8+ Kb7 32. Rxf7+ Rxf7 33. Qxf7+ Kb6 34. Kc2 1-0

[Event "Antwerp League-ch Experts"]
[Site "Deurne"]
[Date "1987.01.24"]
[Round "4"]
[White "Penson, Thierry"]
[Black "Petri, Peter"]
[Result "0-1"]
[ECO "B20"]
[WhiteElo "2294"]
[BlackElo "2142"]
[PlyCount "126"]
[EventDate "1986.10.26"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BEL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. Ne2 d6 3. g3 Nc6 4. Bg2 g6 5. d4 cxd4 6. Nxd4 Bg7 7. Be3 Bd7 8. 0-0 Nf6 9. h3 0-0 10. c4 Nxd4 11. Bxd4 Qc8 12. Kh2 Qxc4 13. Bc3 Bc6 14. Nd2 Qe6 15. Re1 Nh5 16. Bxg7 Nxg7 17. Nf3 Rfd8 18. Qd2 Qf6 19. Nd4 e5 20. Nxc6 bxc6 21. Rac1 Rac8 22. Kg1 Ne6 23. Re3 Qe7 24. h4 Nd4 25. Rc4 Rb8 26. b3 Rb7 27. Ra4 Rdb8 28. Rc4 Rb6 29. Ra4 Qc7 30. Qa5 R6b7 31. Qd2 Qb6 32. Re1 Qb5 33. h5 Qb6 34. Kh2 Qd8 35. Qh6 Qf8 36. Qd2 Qg7 37. h6 Qf8 38. Rh1 Qe7 39. Rc4 Rb5 40. Re1 R8b6 41. f4 f6 42. Rc3 Rb4 43. Rf1 exf4 44. Rxf4 Qe5 45. Rf2 a5 46. Rc1 Rb8 47. Rd1 c5 48. Rdf1 Rf8 49. Rf4 Ne6 50. R4f2 Nd4 51. Rf4 Qh5+ 52. Rh4 Qe2 53. Qxe2 Nxe2 54. Rf2 g5 55. Rh5 Nc3 56. e5 dxe5 57. Rc2 Ne4 58. a3 Rd4 59. Bxe4 Rxe4 60. Rxc5 Rd8 61. Rc2 Red4 62. Rc7 Rd2+ 63. Kh3 R8d4 0-1

[Event "EU-ch U21"]
[Site "Groningen"]
[Date "1987.01.02"]
[Round "13"]
[White "Wessman, Richard"]
[Black "Petri, Peter"]
[Result "1-0"]
[ECO "B52"]
[WhiteElo "2250"]
[PlyCount "57"]
[EventDate "1986.12.18"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. 0-0 Nc6 6. c3 Nf6 7. d4 Nxe4 8. d5 Ne5 9. Re1 Nxf3+ 10. Qxf3 Nf6 11. c4 Qg4 12. Qb3 b6 13. Nc3 g6 14. Nb5 Qd7 15. Qa4 Kd8 16. b4 cxb4 17. Be3 Kc8 18. Qxb4 Bg7 19. a4 Ng4 20. Bd4 Bxd4 21. Nxd4 Ne5 22. Ra3 g5 23. a5 bxa5 24. Qxa5 Qc7 25. Qa4 a5 26. Rb3 Kd8 27. Reb1 Nd7 28. Nc6+ Ke8 29. Nb8 1-0

[Event "EU-ch U21"]
[Site "Groningen"]
[Date "1987.01.01"]
[Round "12"]
[White "Petri, Peter"]
[Black "Manca, Federico"]
[Result "0-1"]
[ECO "E81"]
[PlyCount "118"]
[EventDate "1986.12.18"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. f3 g6 4. c4 Bg7 5. Nc3 0-0 6. Nge2 Nbd7 7. Be3 c5 8. Qd2 cxd4 9. Nxd4 Ne5 10. Be2 Bd7 11. g4 Rc8 12. b3 a6 13. Rc1 b5 14. cxb5 axb5 15. 0-0 b4 16. Nd5 Nxd5 17. exd5 Qa5 18. f4 Nxg4 19. Bxg4 Bxg4 20. Nc6 Rxc6 21. dxc6 Bc3 22. Qf2 Rc8 23. Bb6 Qd5 24. c7 Rxc7 25. Qg3 Rc6 26. Rxc3 bxc3 27. Qxg4 f5 28. Qg3 Rxb6 29. Qxc3 Rc6 30. Qb2 Qe4 31. Rf2 e5 32. b4 Rc4 33. b5 Rb4 34. Qc3 Rb1+ 35. Rf1 Rxf1+ 36. Kxf1 Qb1+ 37. Kg2 Qxb5 38. Qc8+ Kg7 39. Qc7+ Kh6 40. Qxd6 Qe2+ 41. Kg1 e4 42. Qe7 Qg4+ 43. Kh1 Qxf4 44. h4 Qf1+ 45. Kh2 Qf2+ 46. Kh1 Qxa2 47. Qg5+ Kg7 48. Qe7+ Qf7 49. Qe5+ Qf6 50. Qc7+ Kh6 51. Qc1+ f4 52. Qe1 Qf5 53. Kh2 e3 54. Qe2 Qh5 55. Qc4 Qxh4+ 56. Kg1 Qg3+ 57. Kh1 Qf3+ 58. Kh2 e2 59. Qb4 Qg3+ 0-1

[Event "Wch U20"]
[Site "Baguio City"]
[Date "1987.??.??"]
[Round "?"]
[White "Butt, Sabih Alam"]
[Black "Petri, Peter"]
[Result "1/2-1/2"]
[ECO "B76"]
[WhiteElo "2330"]
[PlyCount "93"]
[EventDate "1987.07.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "PHI"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2 0-0 9. g4 Nxd4 10. Bxd4 Be6 11. 0-0-0 Qa5 12. a3 Rab8 13. h4 b5 14. Nd5 Qxd2+ 15. Rxd2 Nxd5 16. Bxg7 Kxg7 17. exd5 Bd7 18. h5 b4 19. hxg6 fxg6 20. Re2 Rf7 21. Re3 Bb5 22. Bg2 Bc4 23. Rd1 Rb5 24. f4 bxa3 25. Rxa3 Rxf4 26. Rxa7 Rxg4 27. Bf3 Rf4 28. Rxe7+ Kf8 29. Re3 Rf5 30. Rd4 Rc5 31. Rc3 Bxd5 32. Rxc5 dxc5 33. Rxd5 Rxf3 34. Rxc5 h5 35. Kd2 h4 36. Ke2 Rf4 37. Rc3 Rb4 38. b3 Kg7 39. Rd3 g5 40. c4 Kf7 41. Kf3 Kf6 42. Kg4 Rb8 43. Rc3 Rb7 44. c5 Rb4+ 45. Kh5 Ke7 46. Kxg5 Kd7 47. Kf5 1/2-1/2

[Event "Wch U20"]
[Site "Baguio City"]
[Date "1987.??.??"]
[Round "?"]
[White "Datu, Idelfonso"]
[Black "Petri, Peter"]
[Result "1/2-1/2"]
[ECO "D77"]
[PlyCount "67"]
[EventDate "1987.07.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "PHI"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d5 6. c4 dxc4 7. Nc3 Nfd7 8. Bf4 c6 9. a4 Na6 10. Qd2 e5 11. Bh6 Re8 12. Ne4 Qe7 13. Bxg7 Kxg7 14. dxe5 Nxe5 15. Nxe5 Qxe5 16. f4 Qe7 17. Rad1 Bf5 18. Qc3+ f6 19. Nd6 Red8 20. Nxc4 Be6 21. Na5 Kf7 22. Bf3 Rxd1 23. Rxd1 Rd8 24. Rxd8 Qxd8 25. Kg2 Qb6 26. g4 Nc5 27. g5 Nd7 28. b4 c5 29. bxc5 Qxc5 30. Qxc5 Nxc5 31. Nxb7 Nxa4 32. Nd8+ Ke7 33. Nc6+ Kd7 34. Nxa7 1/2-1/2

[Event "Wch U20"]
[Site "Baguio City"]
[Date "1987.??.??"]
[Round "?"]
[White "Moussa, Alaa Eddine"]
[Black "Petri, Peter"]
[Result "1/2-1/2"]
[ECO "D88"]
[PlyCount "75"]
[EventDate "1987.07.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "PHI"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 c5 8. Ne2 0-0 9. 0-0 Nc6 10. Be3 cxd4 11. cxd4 Bg4 12. f3 Na5 13. Bd5 Bd7 14. Rb1 a6 15. Qd2 e6 16. Bb3 Bb5 17. Rfd1 Re8 18. Nc3 Bc4 19. d5 exd5 20. Nxd5 Nxb3 21. axb3 Bxd5 22. Qxd5 Qxd5 23. Rxd5 f5 24. Bd4 Bxd4+ 25. Rxd4 fxe4 26. fxe4 Rad8 27. Rbd1 Rxd4 28. Rxd4 Kf7 29. Kf2 Ke6 30. Rc4 Rd8 31. Ke3 Rd6 32. Rc3 Rb6 33. h4 Rb5 34. Kf4 h6 35. Rg3 Kf6 36. Rf3 Ke6 37. Rg3 Kf6 38. Rf3 1/2-1/2

[Event "Wch U20"]
[Site "Baguio City"]
[Date "1987.??.??"]
[Round "?"]
[White "Petri, Peter"]
[Black "Ballmann, Martin"]
[Result "0-1"]
[ECO "B76"]
[BlackElo "2290"]
[PlyCount "63"]
[EventDate "1987.07.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "PHI"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2 0-0 9. 0-0-0 d5 10. exd5 Nxd5 11. Nxc6 bxc6 12. Nxd5 cxd5 13. Qxd5 Qc7 14. Qc5 Qb7 15. b3 Bf5 16. Bd3 Rfc8 17. Qa5 Bxd3 18. Rxd3 Qc6 19. c4 Qf6 20. Bd4 e5 21. Bb2 h5 22. Kb1 Qf5 23. Rhd1 Rd8 24. Qd2 Bh6 25. Qc2 Rxd3 26. Qxd3 Rd8 27. Qxf5 Rxd1+ 28. Kc2 Rd2+ 29. Kc3 gxf5 30. Bc1 Rxg2 31. h3 Rh2 32. c5 0-1

[Event "Wch U20"]
[Site "Baguio City"]
[Date "1987.??.??"]
[Round "?"]
[White "Petri, Peter"]
[Black "Degraeve, Jean Marc"]
[Result "0-1"]
[ECO "B33"]
[BlackElo "2310"]
[PlyCount "50"]
[EventDate "1987.07.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "PHI"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Nd5 Nxd5 8. exd5 Nb8 9. c4 a6 10. Nc3 Be7 11. Be3 Nd7 12. b4 0-0 13. Rc1 b6 14. Be2 f5 15. f3 Bg5 16. Qd2 Bxe3 17. Qxe3 Qh4+ 18. Qf2 Qxf2+ 19. Kxf2 Bb7 20. Ke3 Kf7 21. Rc2 Ke7 22. Rg1 a5 23. a3 axb4 24. axb4 Ra3 25. Kd2 Rc8 0-1

[Event "Wch U20"]
[Site "Baguio City"]
[Date "1987.??.??"]
[Round "?"]
[White "Petri, Peter"]
[Black "Dharma, S."]
[Result "1-0"]
[ECO "C15"]
[PlyCount "79"]
[EventDate "1987.07.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "PHI"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. Nge2 dxe4 5. a3 Be7 6. Nxe4 Nf6 7. N2g3 0-0 8. Bd3 b6 9. c3 Nbd7 10. 0-0 Bb7 11. Qc2 g6 12. Bh6 Re8 13. Rad1 Ng4 14. Bf4 f5 15. Be2 Nxh2 16. Kxh2 fxe4 17. Nxe4 Nf6 18. Nxf6+ Bxf6 19. Rh1 Bg7 20. Kg1 Rf8 21. Be3 Qd5 22. f3 Rf5 23. Rh3 b5 24. Bd3 Qd6 25. Bxf5 gxf5 26. Qd2 Kh8 27. Bf4 Qd7 28. Qe1 Bf6 29. Be5 Qf7 30. Rh6 Bxe5 31. Qxe5+ Qg7 32. Rxe6 Rg8 33. Kf2 Bd5 34. Qxg7+ Rxg7 35. Re8+ Rg8 36. Rde1 c6 37. Rxg8+ Kxg8 38. Re5 a5 39. Ke3 a4 40. Kf4 1-0

[Event "Wch U20"]
[Site "Baguio City"]
[Date "1987.??.??"]
[Round "?"]
[White "Petri, Peter"]
[Black "Mohammed Ali, Madial Kinani"]
[Result "1/2-1/2"]
[ECO "B35"]
[BlackElo "2205"]
[PlyCount "105"]
[EventDate "1987.07.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "PHI"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 0-0 8. Bb3 a5 9. a3 Ng4 10. Qxg4 Nxd4 11. Qd1 Nxb3 12. cxb3 d6 13. 0-0 Bd7 14. Qe2 Bc6 15. f3 Qd7 16. Bb6 Ra6 17. Bf2 Qe6 18. b4 axb4 19. axb4 Rxa1 20. Rxa1 Qb3 21. Bd4 Qxb4 22. Bxg7 Kxg7 23. Rc1 Ra8 24. Qd2 Ra2 25. Rc2 Ra1+ 26. Rc1 Rxc1+ 27. Qxc1 Qc5+ 28. Kh1 Qc4 29. h3 b5 30. Qd2 h6 31. Ne2 Qc5 32. Nd4 Bd7 33. Nb3 Qc4 34. Nc1 Be6 35. Nd3 Qd4 36. Qc3 Qxc3 37. bxc3 Bc4 38. Nb4 Kf6 39. Kg1 e5 40. Kf2 Ke6 41. Ke3 d5 42. g3 dxe4 43. Kxe4 f5+ 44. Ke3 g5 45. h4 Kd6 46. hxg5 hxg5 47. f4 exf4+ 48. gxf4 g4 49. Nc2 Be6 50. Nd4 Bd7 51. Ne2 Kc5 52. Kd3 Kd5 53. Ng3 1/2-1/2

[Event "Wch U20"]
[Site "Baguio City"]
[Date "1987.??.??"]
[Round "?"]
[White "Petri, Peter"]
[Black "Puri, Vinny"]
[Result "0-1"]
[ECO "C67"]
[BlackElo "2285"]
[PlyCount "76"]
[EventDate "1987.07.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "PHI"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. 0-0 Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qxd8+ Kxd8 9. Bg5+ Ke8 10. Bd2 Be6 11. Bc3 c5 12. Ng5 Bd5 13. Re1 h6 14. Ne4 Nd4 15. Na3 Ne6 16. b3 Rd8 17. Bb2 Be7 18. g3 Ng5 19. Nxg5 hxg5 20. Rad1 Bf3 21. Rxd8+ Bxd8 22. Nc4 Ke7 23. Nd2 Bc6 24. Ne4 Bxe4 25. Rxe4 Ke6 26. f3 Be7 27. c4 Rd8 28. Kf2 g6 29. Re2 Bf8 30. Ke3 Kf5 31. Rd2 Rxd2 32. Kxd2 g4 33. Ke2 g5 34. Ke3 gxf3 35. Kxf3 g4+ 36. Ke3 Bg7 37. e6 Bh6+ 38. Kd3 fxe6 0-1

[Event "Wch U20"]
[Site "Baguio City"]
[Date "1987.??.??"]
[Round "?"]
[White "Petri, Peter"]
[Black "Reilly, Tim"]
[Result "0-1"]
[ECO "B07"]
[BlackElo "2235"]
[PlyCount "80"]
[EventDate "1987.07.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "PHI"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. f3 c5 4. Ne2 g6 5. Nbc3 Nbd7 6. Be3 Qa5 7. Qd2 Bg7 8. 0-0-0 0-0 9. Kb1 Re8 10. Nc1 a6 11. Nd5 Qxd2 12. Nxf6+ Bxf6 13. Rxd2 cxd4 14. Bxd4 Bxd4 15. Rxd4 Ne5 16. Be2 Be6 17. f4 Nc6 18. Rd2 Rac8 19. h4 Na5 20. h5 Nc4 21. Rd3 d5 22. Bf3 dxe4 23. Bxe4 Rc7 24. hxg6 fxg6 25. Re1 Bf7 26. Rd4 Rec8 27. Re2 b5 28. Bd3 Nd6 29. b3 Kf8 30. g4 h5 31. Rh2 hxg4 32. Rg2 Nf5 33. Rb4 Ne3 34. Rd2 g3 35. Ne2 g2 36. Ng1 Bd5 37. Be4 a5 38. Rbd4 Bxe4 39. Rxe4 Nxc2 40. Rxg2 b4 0-1

[Event "Antwerp League-ch Experts"]
[Site "Deurne"]
[Date "1987.??.??"]
[Round "8"]
[White "Petri, Peter"]
[Black "Van Geldorp, Marc"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "2142"]
[BlackElo "2246"]
[PlyCount "81"]
[EventDate "1986.10.26"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BEL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Nc6 5. c3 Bd6 6. Qf3 Nf6 7. h3 Be6 8. Bf4 Qd7 9. Bxd6 Qxd6 10. Ne2 0-0-0 11. Nd2 h5 12. 0-0-0 Ne7 13. Rhe1 Ng6 14. Bxg6 fxg6 15. Qf4 Bf5 16. Qxd6 Rxd6 17. Ng1 Re8 18. Rxe8+ Nxe8 19. Ngf3 Re6 20. Ne5 Nf6 21. Rg1 Ra6 22. a3 Nd7 23. Ndf3 Nxe5 24. Nxe5 Rf6 25. f3 h4 26. Re1 Kd8 27. Re2 a5 28. Kd2 b5 29. Ke3 b4 30. axb4 axb4 31. cxb4 Rb6 32. Kd2 Kc8 33. Kc3 Kb7 34. Re1 Ra6 35. Kb3 Rf6 36. b5 Rb6 37. Kb4 c6 38. Nxc6 Bd3 39. Re7+ Kc8 40. Kc5 Rxb5+ 41. Kd6 1-0

[Event "Wch U20"]
[Site "Baguio City"]
[Date "1987.??.??"]
[Round "?"]
[White "Petri, Peter"]
[Black "Wessman, Richard"]
[Result "1/2-1/2"]
[ECO "B99"]
[BlackElo "2285"]
[PlyCount "120"]
[EventDate "1987.07.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "PHI"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 Qc7 9. 0-0-0 Nbd7 10. Qg3 b5 11. Bxb5 axb5 12. Ndxb5 Qc5 13. e5 0-0 14. exf6 Nxf6 15. Nxd6 Nh5 16. Qf3 Bxd6 17. Qxa8 Nxf4 18. Kb1 Be5 19. Qf3 Qb4 20. a3 Qb8 21. Bxf4 Bxf4 22. g3 Be5 23. Rhe1 Bb7 24. Qe3 f6 25. Qb6 Bxc3 26. bxc3 Bf3 27. Rd6 Qa8 28. Qc5 Rc8 29. Qb4 Bd5 30. Rb6 Kf7 31. Rd1 Rc4 32. Qd6 Ra4 33. Rd4 Rxa3 34. c4 Qa5 35. Qxa3 Qxa3 36. cxd5 exd5 37. Rxd5 Qe3 38. Rb7+ Ke6 39. Rd3 Qg1+ 40. Kb2 Qxh2 41. Rxg7 Qf2 42. Rxh7 Qb6+ 43. Rb3 Qd4+ 44. Ka2 Qd2 45. Rb6+ Kf5 46. Rb5+ Kg4 47. Rg7+ Kh3 48. Rc7 Kxg3 49. Rc4 Qd6 50. Rb3+ Kf2 51. Rcc3 Qd5 52. Rd3 Qc4 53. Kb1 Qe4 54. Rd2+ Ke1 55. Rdd3 Ke2 56. Rh3 f5 57. Rh2+ Ke1 58. Rhh3 Ke2 59. Kc1 Qd4 60. Kb1 Qd1+ 1/2-1/2

[Event "Wch U20"]
[Site "Baguio City"]
[Date "1987.??.??"]
[Round "?"]
[White "Rechlis, Gad"]
[Black "Petri, Peter"]
[Result "1/2-1/2"]
[ECO "B76"]
[WhiteElo "2450"]
[PlyCount "35"]
[EventDate "1987.07.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "PHI"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Bc4 0-0 9. h4 Qb6 10. Bb3 Nxe4 11. Nf5 Nxc3 12. Qd2 Qa5 13. Nxg7 Ne4 14. fxe4 Qxd2+ 15. Kxd2 Kxg7 16. h5 f5 17. Rh4 e5 18. hxg6 1/2-1/2

[Event "Wch U20"]
[Site "Baguio City"]
[Date "1987.??.??"]
[Round "?"]
[White "Sevillano, Enrico"]
[Black "Petri, Peter"]
[Result "1/2-1/2"]
[ECO "D88"]
[WhiteElo "2315"]
[PlyCount "67"]
[EventDate "1987.07.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "PHI"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 c5 8. Ne2 0-0 9. 0-0 cxd4 10. cxd4 Nc6 11. Be3 Bg4 12. f3 Na5 13. Bd5 Bd7 14. Rb1 a6 15. Rf2 e6 16. Bb3 Rc8 17. Ng3 b5 18. Qd2 Nc4 19. Bxc4 Rxc4 20. Rd1 Bc8 21. d5 exd5 22. exd5 f5 23. Ne2 Re8 24. d6 Qd7 25. Bg5 Bb7 26. Be7 Bc6 27. Rff1 Rc5 28. Qg5 Rd5 29. Qf4 Rxd1 30. Rxd1 h6 31. h4 g5 32. hxg5 hxg5 33. Qxg5 Qa7+ 34. Kh1 1/2-1/2

[Event "Wch U20"]
[Site "Baguio City"]
[Date "1987.??.??"]
[Round "?"]
[White "Weerakoon, Ishan"]
[Black "Petri, Peter"]
[Result "0-1"]
[ECO "B25"]
[WhiteElo "2215"]
[PlyCount "68"]
[EventDate "1987.07.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "PHI"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. f4 d6 6. d3 e6 7. Nf3 Nge7 8. 0-0 0-0 9. Ne2 Nd4 10. Ng5 Rb8 11. c3 Ndc6 12. a4 a6 13. g4 f5 14. gxf5 gxf5 15. Ng3 h6 16. Nh3 Kh7 17. Kh1 Qe8 18. Rg1 Rg8 19. Bf3 Bh8 20. Bd2 Bd7 21. Qe2 Na5 22. Nh5 Qf7 23. Be3 Bc6 24. Qf2 d5 25. exd5 Nxd5 26. Bxc5 Nb3 27. Raf1 Rg4 28. Ng3 Rh4 29. Bg2 Rxh3 30. Bxh3 Ne3+ 31. Bg2 Ng4 32. Qc2 Bxg2+ 33. Rxg2 Nxc5 34. b4 Ne3 0-1

[Event "EU-ch U21"]
[Site "Groningen"]
[Date "1986.12.31"]
[Round "11"]
[White "Kokkila, Tero"]
[Black "Petri, Peter"]
[Result "1-0"]
[ECO "D92"]
[PlyCount "63"]
[EventDate "1986.12.18"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. Nf3 c5 6. dxc5 Qa5 7. cxd5 Ne4 8. Rc1 Nxc3 9. Qd2 Qxa2 10. bxc3 Qa5 11. e4 Qxc5 12. Be2 0-0 13. 0-0 Bg4 14. Rfe1 Nd7 15. e5 e6 16. c4 Rfe8 17. h3 Bxf3 18. Bxf3 Rad8 19. dxe6 Nxe5 20. exf7+ Kxf7 21. Bd5+ Kf8 22. Bxe5 Rxe5 23. Rxe5 Bxe5 24. Qh6+ Ke7 25. Qxh7+ Kd6 26. Rd1 Rf8 27. Be4+ Bd4 28. Qg7 Ke6 29. Rxd4 Qa3 30. Qxg6+ Ke7 31. Qg5+ Rf6 32. Qe5+ 1-0

[Event "EU-ch U21"]
[Site "Groningen"]
[Date "1986.12.29"]
[Round "10"]
[White "Damaso, Rui"]
[Black "Petri, Peter"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "2240"]
[PlyCount "32"]
[EventDate "1986.12.18"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 c6 3. Bxf6 gxf6 4. c3 Qb6 5. Qd2 d5 6. e3 Bf5 7. Nf3 e6 8. Be2 Bd6 9. 0-0 Nd7 10. c4 dxc4 11. Rc1 Bg4 12. Rxc4 f5 13. Qd1 Qd8 14. Nbd2 Qf6 15. e4 Qh6 16. a4 Bxf3 0-1

[Event "EU-ch U21"]
[Site "Groningen"]
[Date "1986.12.28"]
[Round "9"]
[White "Petri, Peter"]
[Black "Gunay, Alper"]
[Result "1-0"]
[ECO "C90"]
[PlyCount "53"]
[EventDate "1986.12.18"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. d3 b5 7. Bb3 d6 8. c3 0-0 9. Re1 Na5 10. Bc2 c5 11. Nbd2 Re8 12. Nf1 Bf8 13. Bg5 g6 14. Ne3 Bg7 15. h3 Be6 16. Nh2 h5 17. Qf3 Nc6 18. g4 Kf8 19. gxh5 gxh5 20. h4 Ke7 21. Qxh5 Kd7 22. Qf3 Rg8 23. Kh1 Bh8 24. Nd5 Rg6 25. Rg1 Bxd5 26. exd5 Nb8 27. d4 1-0

[Event "EU-ch U21"]
[Site "Groningen"]
[Date "1986.12.27"]
[Round "8"]
[White "Petri, Peter"]
[Black "Wians, Camille"]
[Result "0-1"]
[ECO "B50"]
[PlyCount "74"]
[EventDate "1986.12.18"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. b3 Nc6 4. Bb2 d6 5. c4 Nf6 6. Nc3 Nd4 7. Bd3 Be7 8. Nxd4 cxd4 9. Ne2 e5 10. 0-0 g5 11. Bc2 h5 12. b4 h4 13. Ba4+ Kf8 14. d3 Nh5 15. Qc2 Nf4 16. f3 Be6 17. Qd2 a5 18. a3 Rg8 19. Rf2 Qb6 20. Kf1 Kg7 21. Ng1 axb4 22. axb4 Nxd3 23. Qxd3 Qxb4 24. Bb3 Rxa1+ 25. Bxa1 b5 26. Ba2 Ra8 27. Bxd4 Rxa2 28. Bc3 Qc5 29. Rxa2 Bxc4 30. Rd2 Bxd3+ 31. Rxd3 b4 32. Bd2 Qb5 33. Ke2 b3 34. Bc3 b2 35. Bxb2 Qxb2+ 36. Rd2 Qb5+ 37. Ke1 Bd8 0-1

[Event "EU-ch U21"]
[Site "Groningen"]
[Date "1986.12.26"]
[Round "7"]
[White "Greer, Kieran"]
[Black "Petri, Peter"]
[Result "1-0"]
[ECO "B25"]
[PlyCount "63"]
[EventDate "1986.12.18"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. g3 Nc6 4. Bg2 g6 5. d3 Bg7 6. f4 e6 7. Nf3 Nge7 8. 0-0 Rb8 9. Rb1 0-0 10. Be3 Nd4 11. Ne2 Nxf3+ 12. Bxf3 b6 13. c3 Bb7 14. g4 f5 15. Ng3 d5 16. exf5 d4 17. Bxb7 Rxb7 18. Qf3 Rc7 19. cxd4 cxd4 20. f6 Bxf6 21. Bd2 Nd5 22. Rbc1 Rxc1 23. Bxc1 Bg7 24. Qe4 Qd7 25. f5 exf5 26. gxf5 Re8 27. Qf3 Ne3 28. Bxe3 Rxe3 29. Qg2 gxf5 30. Nxf5 Re6 31. Nh6+ Kh8 32. Rf8+ 1-0

[Event "EU-ch U21"]
[Site "Groningen"]
[Date "1986.12.24"]
[Round "6"]
[White "Burgess, Mark R"]
[Black "Petri, Peter"]
[Result "1-0"]
[ECO "E01"]
[WhiteElo "2335"]
[PlyCount "145"]
[EventDate "1986.12.18"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 e6 3. g3 Nf6 4. Bg2 c6 5. b3 Nbd7 6. Bb2 Bd6 7. Nc3 0-0 8. 0-0 Re8 9. d4 a6 10. Qc2 Qe7 11. e4 dxe4 12. Nxe4 Nxe4 13. Qxe4 Nf6 14. Qc2 Rd8 15. Rad1 Qc7 16. Rfe1 Bd7 17. Ng5 h6 18. Ne4 Ne8 19. Nxd6 Qxd6 20. d5 cxd5 21. cxd5 Rac8 22. Qb1 Qb6 23. Bd4 Qb4 24. a3 Qxa3 25. Bb6 exd5 26. Bxd8 Rxd8 27. Rxd5 Nf6 28. Rd4 Rb8 29. Red1 Qe7 30. Qd3 Be8 31. Rd8 Rxd8 32. Qxd8 Qb4 33. Qc8 Qxb3 34. Re1 Qb5 35. Qxb7 Qxb7 36. Bxb7 a5 37. Ra1 a4 38. Bf3 g6 39. Bd1 Kg7 40. Bxa4 Bxa4 41. Rxa4 Ng8 42. Kg2 Ne7 43. Kf3 Nd5 44. Rd4 Ne7 45. Rd6 Nf5 46. Ra6 Ne7 47. Ke4 Ng8 48. Ke5 h5 49. h3 Nh6 50. Ra7 Ng8 51. Ra6 Nh6 52. Rf6 Ng8 53. Rd6 Nh6 54. Rf6 Ng8 55. Rc6 Nh6 56. Kf4 Ng8 57. Ke5 Nh6 58. Rb6 Ng8 59. Rc6 Nh6 60. Rb6 Ng8 61. Rb7 Nh6 62. Ra7 Ng8 63. Kd6 Nf6 64. f3 Ng8 65. Ke5 Nh6 66. g4 hxg4 67. fxg4 Ng8 68. g5 Kf8 69. Kd6 Kg7 70. Kd7 Kf8 71. Ra8+ Kg7 72. Ke8 Kh7 73. Kxf7 1-0

[Event "EU-ch U21"]
[Site "Groningen"]
[Date "1986.12.23"]
[Round "5"]
[White "Petri, Peter"]
[Black "Sullivan, Jason"]
[Result "1-0"]
[ECO "B73"]
[PlyCount "43"]
[EventDate "1986.12.18"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Be2 0-0 8. 0-0 d6 9. Qd2 Ng4 10. Bxg4 Bxg4 11. Nb3 a5 12. f4 a4 13. Nd4 Be6 14. b3 axb3 15. axb3 Nxd4 16. Bxd4 Qc7 17. Rxa8 Rxa8 18. f5 Bxd4+ 19. Qxd4 Bd7 20. Nd5 Qc5 21. Qxc5 dxc5 22. Nb6 1-0

[Event "EU-ch U21"]
[Site "Groningen"]
[Date "1986.12.22"]
[Round "4"]
[White "Petri, Peter"]
[Black "Koch, Jean Rene"]
[Result "0-1"]
[ECO "A06"]
[PlyCount "68"]
[EventDate "1986.12.18"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. Nf3 c5 2. b3 Nf6 3. Bb2 e6 4. e3 Nc6 5. Bb5 Be7 6. 0-0 0-0 7. d4 cxd4 8. exd4 d5 9. Nbd2 Bd7 10. Bxc6 Bxc6 11. Ne5 Rc8 12. c4 dxc4 13. Nxc6 Rxc6 14. Nxc4 Qd5 15. Qe2 Rfc8 16. Rfd1 Qb5 17. Kf1 Qg5 18. g3 Nd5 19. f4 Qf5 20. Rac1 b5 21. Ne3 Nxe3+ 22. Qxe3 Rc2 23. Rxc2 Rxc2 24. Rd2 Bb4 25. Rxc2 Qxc2 26. Qc1 Qd3+ 27. Kf2 h5 28. Qf1 Qc2+ 29. Qe2 Qb1 30. a3 Bf8 31. a4 bxa4 32. bxa4 Qa2 33. Kg1 Ba3 34. Qb5 Qb1+ 0-1

[Event "Groningen clock sim"]
[Site "Groningen"]
[Date "1986.12.21"]
[Round "?"]
[White "Karpov, Anatoly"]
[Black "Petri, Peter"]
[Result "1-0"]
[ECO "B78"]
[WhiteElo "2705"]
[PlyCount "51"]
[EventDate "1986.12.21"]
[EventType "simul"]
[EventRounds "1"]
[EventCountry "NED"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Qd2 0-0 8. f3 Nc6 9. Bc4 Bd7 10. 0-0-0 Rc8 11. Bb3 Ne5 12. h4 h5 13. Bg5 Rc5 14. Kb1 b5 15. g4 hxg4 16. h5 Nxh5 17. Nd5 Re8 18. Rxh5 gxh5 19. Qh2 Ng6 20. Qxh5 Qa5 21. Rh1 Rxd5 22. Qh7+ Kf8 23. Bh6 Bxh6 24. Qxh6+ Kg8 25. Bxd5 e6 26. Nf5 1-0

[Event "EU-ch U21"]
[Site "Groningen"]
[Date "1986.12.20"]
[Round "3"]
[White "Djurhuus, Rune"]
[Black "Petri, Peter"]
[Result "1-0"]
[ECO "C55"]
[PlyCount "95"]
[EventDate "1986.12.18"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. d3 Nc6 4. Nf3 Be7 5. c3 d6 6. 0-0 0-0 7. Re1 Na5 8. Bb3 Nxb3 9. axb3 c6 10. h3 Qc7 11. Nbd2 Nd7 12. d4 Bf6 13. Nc4 Rd8 14. Be3 Nf8 15. Qc2 c5 16. dxc5 dxc5 17. Red1 Bd7 18. Rd5 b6 19. Ncxe5 Be6 20. Rxd8 Rxd8 21. Nd3 Bxb3 22. Qxb3 Rxd3 23. Qc4 Rd7 24. g3 Ne6 25. Nd2 g6 26. Kg2 Ng7 27. Bf4 Be5 28. Bxe5 Qxe5 29. Nf1 Qe6 30. Qxe6 fxe6 31. f4 a5 32. Kf3 Kf7 33. Ne3 Ke7 34. g4 Ne8 35. e5 Nc7 36. Ke4 Rd8 37. Nc4 Nd5 38. Nd6 Rb8 39. f5 gxf5+ 40. gxf5 Nc7 41. f6+ Kf8 42. Rg1 b5 43. Rg7 Nd5 44. Rxh7 Kg8 45. Rg7+ Kf8 46. Rb7 Rxb7 47. Nxb7 b4 48. cxb4 1-0

[Event "EU-ch U21"]
[Site "Groningen"]
[Date "1986.12.19"]
[Round "2"]
[White "Savva, Andreas"]
[Black "Petri, Peter"]
[Result "0-1"]
[ECO "A26"]
[PlyCount "38"]
[EventDate "1986.12.18"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 0-0 5. Nf3 d6 6. 0-0 Nc6 7. Rb1 e5 8. d3 Nh5 9. b4 f5 10. b5 Ne7 11. Nd5 c6 12. Nxe7+ Qxe7 13. bxc6 bxc6 14. Nd2 Qc7 15. Ba3 Bd7 16. Qa4 Rfc8 17. Qb4 Bf8 18. Qb7 Qd8 19. Bb4 a5 0-1

[Event "EU-ch U21"]
[Site "Groningen"]
[Date "1986.12.18"]
[Round "1"]
[White "Petri, Peter"]
[Black "Hansen, Lars Bo"]
[Result "0-1"]
[ECO "C15"]
[PlyCount "46"]
[EventDate "1986.12.18"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. Qd3 dxe4 5. Qxe4 Nf6 6. Qh4 Nc6 7. Bb5 Qd5 8. Bxc6+ Qxc6 9. Nge2 b6 10. Bd2 Ba6 11. f3 Bxe2 12. Nxe2 Bxd2+ 13. Kxd2 0-0-0 14. Rhd1 Qb5 15. b3 e5 16. c4 Qa5+ 17. Kc2 exd4 18. Nxd4 Qe5 19. Qh3+ Kb8 20. Qf5 Qxh2 21. Qg5 h6 22. Qxg7 Qe5 23. Rac1 Rhg8 0-1

[Event "Antwerp League-ch Experts"]
[Site "Deurne"]
[Date "1986.12.14"]
[Round "3"]
[White "Petri, Peter"]
[Black "Sadkowsky, Daniel"]
[Result "0-1"]
[ECO "A04"]
[WhiteElo "2142"]
[BlackElo "2163"]
[PlyCount "66"]
[EventDate "1986.10.26"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BEL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. Nf3 c5 2. g3 g6 3. Bg2 Bg7 4. 0-0 Nc6 5. d3 e6 6. Nc3 Nge7 7. Ne4 d6 8. c3 0-0 9. Ne1 f5 10. Nd2 Rb8 11. e4 b5 12. f4 b4 13. c4 e5 14. exf5 Bxf5 15. Be4 exf4 16. gxf4 Qd7 17. Ng2 Bg4 18. Bf3 Bxf3 19. Nxf3 Nf5 20. Rb1 Rbe8 21. Ng5 h6 22. Ne4 Bd4+ 23. Nf2 d5 24. Qg4 Re6 25. b3 dxc4 26. dxc4 Bg7 27. Bb2 h5 28. Qf3 Ncd4 29. Qd3 Qc6 30. Bxd4 Nxd4 31. Nd1 Ne2+ 32. Kh1 Nxf4 33. Rxf4 Re1+ 0-1

[Event "Antwerp League-ch Experts"]
[Site "Deurne"]
[Date "1986.11.23"]
[Round "2"]
[White "Van Herck, Marcel"]
[Black "Petri, Peter"]
[Result "1-0"]
[ECO "E62"]
[WhiteElo "2251"]
[BlackElo "2142"]
[PlyCount "93"]
[EventDate "1986.10.26"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BEL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 0-0 5. Nf3 d6 6. Nc3 Nc6 7. 0-0 e5 8. d5 Ne7 9. e4 Ne8 10. Ne1 f5 11. Nd3 b6 12. Bd2 Nf6 13. Rc1 fxe4 14. Nxe4 Nxe4 15. Bxe4 Bh3 16. Re1 Bf5 17. f4 Qd7 18. fxe5 dxe5 19. Bc3 Qd6 20. Qe2 Rae8 21. g4 Bd7 22. Rf1 g5 23. Bb4 Rxf1+ 24. Rxf1 c5 25. Bc3 Bf6 26. Qf3 Bg7 27. Bxe5 Qh6 28. Qf7+ Kh8 29. Bxg7+ Qxg7 30. Qxg7+ Kxg7 31. Ne5 Bc8 32. Rf7+ Kh8 33. Rxh7+ Kg8 34. Rh5 Ng6 35. Rxg5 Rxe5 36. Rxg6+ Kf7 37. Bf5 Bxf5 38. gxf5 Rxf5 39. Rg4 Rf3 40. Kg2 Rd3 41. Rf4+ Ke7 42. Rf2 Rd4 43. b3 Rd3 44. h3 Kd6 45. Re2 Kd7 46. Rf2 a6 47. Rf7+ 1-0

[Event "Antwerp League-ch Experts"]
[Site "Deurne"]
[Date "1986.10.26"]
[Round "1"]
[White "Petri, Peter"]
[Black "De Backer, Jan"]
[Result "1/2-1/2"]
[ECO "D05"]
[WhiteElo "2142"]
[BlackElo "2145"]
[PlyCount "43"]
[EventDate "1986.10.26"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BEL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. Nf3 d5 2. b3 Nf6 3. Bb2 c5 4. e3 e6 5. d4 Nc6 6. Bb5 Bd7 7. 0-0 Be7 8. Nbd2 0-0 9. Bxc6 Bxc6 10. Ne5 Rc8 11. c4 cxd4 12. Bxd4 b6 13. Nxc6 Rxc6 14. Nf3 dxc4 15. Ne5 Rc8 16. Nxc4 Qd5 17. Qe2 Qb7 18. Rfd1 Rfd8 19. Ne5 Ne8 20. Qg4 Nf6 21. Qe2 Ne8 22. Qg4 1/2-1/2

