[Event "Helmond Rapid op"]
[Site "Helmond"]
[Date "2025.05.03"]
[Round "1"]
[White "Grooten, Herman"]
[Black "Pieper, Roy"]
[Result "1-0"]
[ECO "D37"]
[WhiteElo "2184"]
[BlackElo "1778"]
[PlyCount "45"]
[EventDate "2025.05.03"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CB19_2025"]
[SourceDate "2025.05.07"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.07"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 a6 4. cxd5 exd5 5. Nf3 Nf6 6. Bg5 Be7 7. e3 0-0 8. Bd3 Bg4 9. Qc2 h6 10. Bh4 Nc6 11. a3 Re8 12. h3 Be6 13. 0-0-0 Qd7 14. g4 g5 15. Bg3 Bxg4 16. hxg4 Nxg4 17. Bf5 Nxe3 18. fxe3 Qd8 19. Rxh6 Bf6 20. Bxc7 Qxc7 21. Nxd5 Qg3 22. Nxf6+ Kg7 23. Nh5+ 1-0

[Event "Helmond Rapid op"]
[Site "Helmond"]
[Date "2025.05.03"]
[Round "3"]
[White "Jara Segovia, Jesus Javier"]
[Black "Pieper, Roy"]
[Result "1-0"]
[ECO "B10"]
[WhiteElo "1898"]
[BlackElo "1778"]
[PlyCount "64"]
[EventDate "2025.05.03"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CB19_2025"]
[SourceDate "2025.05.07"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.07"]
[SourceQuality "1"]

1. e4 c6 2. Nf3 d5 3. e5 c5 4. b4 cxb4 5. d4 e6 6. a3 Nc6 7. axb4 Bxb4+ 8. c3 Be7 9. Ba3 a6 10. Bd3 b5 11. Bxe7 Ngxe7 12. Bxb5 Bb7 13. Bd3 Ng6 14. 0-0 Nf4 15. Bc2 g5 16. g3 Nh3+ 17. Kg2 g4 18. Nh4 h5 19. Nd2 Rc8 20. Nb3 Nxe5 21. f4 Nc4 22. Re1 Qb6 23. Rb1 Na3 24. Rb2 Rxc3 25. Qd2 Rxc2 26. Rxc2 Qxb3 27. Rb2 Nxf4+ 28. Kh1 Qd3 29. Qxf4 Bc8 30. Rb8 Qc2 31. Rc1 Qe4+ 32. Qxe4 dxe4 1-0

[Event "Helmond Rapid op"]
[Site "Helmond"]
[Date "2025.05.03"]
[Round "6"]
[White "Pieper, Roy"]
[Black "Winter, Sven"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "1778"]
[BlackElo "2054"]
[PlyCount "88"]
[EventDate "2025.05.03"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CB19_2025"]
[SourceDate "2025.05.07"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.07"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 c5 3. d5 b5 4. f3 d6 5. e4 a6 6. a3 g6 7. Qd2 h5 8. h4 Bg7 9. c4 Qb6 10. Nc3 b4 11. Na4 Qa5 12. axb4 cxb4 13. Ra2 Bd7 14. b3 Nxe4 15. fxe4 Bxa4 16. Rxa4 Qxa4 17. bxa4 Bc3 18. Qxc3 bxc3 19. Rh3 Nd7 20. Ne2 Rc8 21. Nxc3 Nb6 22. e5 dxe5 23. Bxe5 0-0 24. a5 Nxc4 25. Bxc4 Rxc4 26. Kf2 Rfc8 27. Ne2 R8c5 28. Rc3 Rxc3 29. Bxc3 Rxd5 30. Nf4 Rc5 31. Bb4 Rc4 32. Nd3 e5 33. Be7 Ra4 34. Bd8 Rd4 35. Nc5 Rxd8 36. Nxa6 Ra8 37. Nb4 Rxa5 38. Nc6 Rc5 39. Nd8 Rc7 40. Ke3 Kf8 41. Ke4 Ke7 42. Nxf7 Kxf7 43. Kxe5 Rc4 44. g3 Rg4 0-1

[Event "Wch Amateurs U2000"]
[Site "Rhodes"]
[Date "2024.10.27"]
[Round "1"]
[White "Pieper, Roy"]
[Black "Exposito Perez, Luis"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1806"]
[BlackElo "1950"]
[PlyCount "110"]
[EventDate "2024.10.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "CB45_2024"]
[Source "ChessBase"]
[SourceDate "2024.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2024.11.06"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 Bf5 4. c4 e6 5. Nc3 dxc4 6. Bxc4 Bd6 7. Nge2 0-0 8. Bg5 Be7 9. Ng3 Bg6 10. Qb3 b6 11. h4 h6 12. Bf4 Bd6 13. Nce2 Nc6 14. a3 Na5 15. Qc3 Nxc4 16. Qxc4 Ne4 17. Nxe4 Bxe4 18. f3 Bd5 19. Qc1 Rc8 20. e4 Bxf4 21. Nxf4 Bb7 22. Qe3 c5 23. Ne2 Ba6 24. Rd1 Bxe2 25. Qxe2 cxd4 26. g4 Qf6 27. e5 Qf4 28. Kf1 Rc5 29. Qf2 Rd8 30. g5 h5 31. g6 d3 32. gxf7+ Kxf7 33. Rg1 Rc2 34. Qg3 Qxg3 35. Rxg3 Rh2 36. f4 Rh1+ 37. Rg1 Rxh4 38. Kf2 Rxf4+ 39. Ke3 Rf5 40. Ke4 Rd5 41. Rd2 Rfxe5+ 42. Kf3 g5 43. Rc1 Kf6 44. Rc8 g4+ 45. Kg3 Re3+ 46. Kf2 Rf3+ 47. Kg2 Kg5 48. Rg8+ Kh4 49. Rd1 Rg3+ 50. Kh2 d2 51. Rf8 e5 52. Rf5 Rf3 53. Rxf3 gxf3 54. Kg1 Kg3 55. b4 e4 0-1

[Event "Helmond Rapid op"]
[Site "Helmond"]
[Date "2024.06.15"]
[Round "4"]
[White "Geboers, Jimmy"]
[Black "Pieper, Roy"]
[Result "0-1"]
[ECO "D31"]
[WhiteElo "1949"]
[PlyCount "103"]
[EventDate "2024.06.15"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 220 Extra"]
[Source "ChessBase"]
[SourceDate "2024.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.07.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 a6 4. e3 Nf6 5. f4 dxc4 6. Bxc4 b5 7. Bd3 c5 8. Nf3 Bb7 9. e4 cxd4 10. Nxd4 b4 11. Qa4+ Qd7 12. Qxd7+ Nbxd7 13. Nce2 Bxe4 14. Bxe4 Nxe4 15. 0-0 Bc5 16. Be3 0-0 17. Rac1 Rac8 18. Rc2 e5 19. fxe5 Nxe5 20. Rf4 Nf6 21. Nf5 Bxe3+ 22. Nxe3 Rxc2 23. Nxc2 a5 24. Rf5 Nc6 25. Rc5 Re8 26. Ng3 Re6 27. Nf5 g6 28. Rxc6 gxf5 29. Nd4 Rxc6 30. Nxc6 Nd5 31. Nxa5 Kg7 32. Kf2 Kf6 33. Nc6 Kg5 34. a4 bxa3 35. bxa3 Nb6 36. Kf3 h5 37. Nd8 Kf6 38. Kg3 Kg6 39. Kh4 Na4 40. Nc6 Nc5 41. Ne7+ Kf6 42. Nd5+ Ke5 43. Nb6 Ne6 44. Nc4+ Kd5 45. Ne3+ Ke4 46. Nf1 f4 47. Kxh5 Kd3 48. g3 Ke2 49. gxf4 Kxf1 50. f5 Nd8 51. Kg5 Kg2 52. h4 0-1

[Event "Helmond Rapid op"]
[Site "Helmond"]
[Date "2024.06.15"]
[Round "5"]
[White "Pieper, Roy"]
[Black "Aarts, Joaquin"]
[Result "0-1"]
[ECO "D02"]
[BlackElo "1991"]
[PlyCount "50"]
[EventDate "2024.06.15"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 220 Extra"]
[Source "ChessBase"]
[SourceDate "2024.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 d5 3. e3 e6 4. Nd2 c5 5. c3 Nc6 6. Ngf3 cxd4 7. exd4 Nh5 8. Bg3 g6 9. Bd3 Bg7 10. Qc2 Nxg3 11. hxg3 Bd7 12. 0-0-0 Rc8 13. Nb3 Nb4 14. Qb1 Ba4 15. Nc5 Bxd1 16. Nxe6 Nxd3+ 17. Qxd3 fxe6 18. Kxd1 0-0 19. Qb5 Qe8 20. Qxb7 Rb8 21. Qxa7 Rxb2 22. Nd2 Rxf2 23. Nb3 Qf8 24. Re1 Rb1+ 25. Nc1 Bh6 0-1

[Event "Helmond Rapid op"]
[Site "Helmond"]
[Date "2024.06.15"]
[Round "2"]
[White "Soderberg, Kai"]
[Black "Pieper, Roy"]
[Result "1-0"]
[ECO "A30"]
[WhiteElo "1957"]
[PlyCount "40"]
[EventDate "2024.06.15"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 220 Extra"]
[Source "ChessBase"]
[SourceDate "2024.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.07.31"]
[SourceQuality "1"]

1. c4 c5 2. Nf3 Nc6 3. g3 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Nc2 e5 7. Nc3 Nf6 8. Bg2 0-0 9. 0-0 d6 10. b3 Qc7 11. Nb5 Qd7 12. Qxd6 Qxd6 13. Nxd6 Rd8 14. Nxc8 Raxc8 15. Bg5 h6 16. Bxf6 Bxf6 17. Rad1 b6 18. Rxd8+ Bxd8 19. Rd1 Nb8 20. Bb7 a6 1-0

[Event "NED-ch U13"]
[Site "Rijswijk"]
[Date "2005.05.07"]
[Round "7"]
[White "Claushuis, Michael"]
[Black "Pieper, Roy"]
[Result "1-0"]
[ECO "C44"]
[WhiteElo "1446"]
[BlackElo "1316"]
[PlyCount "69"]
[EventDate "2005.05.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 f5 4. exf5 d6 5. dxe5 Bxf5 6. Bb5 Qe7 7. 0-0 dxe5 8. Bxc6+ bxc6 9. Qe2 Bg4 10. Nc3 Nf6 11. Bg5 h6 12. Bh4 Qe6 13. h3 Bh5 14. Bg3 Bd6 15. Rfe1 0-0 16. Qd3 Rad8 17. Nh4 Ba3 18. Qe3 Bxb2 19. Rab1 Bxc3 20. Qxc3 Rfe8 21. Bxe5 Qf5 22. Bxf6 Qxf6 23. Qxf6 gxf6 24. Rxe8+ Rxe8 25. g4 Bf7 26. Nf3 Bxa2 27. Ra1 Bd5 28. Nd4 c5 29. Nf5 Kh7 30. Rxa7 Re1+ 31. Kh2 Rh1+ 32. Kg3 Rg1+ 33. Kf4 Rf1 34. Rxc7+ Kg6 35. Rg7# 1-0

[Event "NED-ch U13"]
[Site "Rijswijk"]
[Date "2005.05.07"]
[Round "9"]
[White "Ekholm, Robin"]
[Black "Pieper, Roy"]
[Result "1-0"]
[ECO "C55"]
[WhiteElo "1285"]
[BlackElo "1316"]
[PlyCount "55"]
[EventDate "2005.05.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. Bc4 Nxe4 5. Bxf7+ Kxf7 6. Nxe4 d5 7. Ng3 Kg8 8. d3 Be7 9. 0-0 h6 10. Re1 Bd6 11. d4 e4 12. Nd2 Bxg3 13. hxg3 Nxd4 14. Nb3 Nxb3 15. axb3 Be6 16. f3 Bf5 17. Bf4 Kh7 18. Qd4 Re8 19. Kf2 e3+ 20. Rxe3 Rxe3 21. Qxe3 Bxc2 22. Rc1 Bg6 23. Rxc7 Rc8 24. Rxb7 Rc2+ 25. Kg1 Rxb2 26. Qe5 Rb1+ 27. Kh2 Qf6 28. Qxf6 1-0

[Event "NED-ch U13"]
[Site "Rijswijk"]
[Date "2005.05.07"]
[Round "8"]
[White "Pieper, Roy"]
[Black "Groenewegen, Niels"]
[Result "1/2-1/2"]
[ECO "C33"]
[WhiteElo "1316"]
[PlyCount "104"]
[EventDate "2005.05.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 e5 2. f4 exf4 3. d4 Nf6 4. e5 Nd5 5. Bc4 c6 6. Bxd5 cxd5 7. Bxf4 d6 8. Nc3 dxe5 9. Bxe5 Be6 10. Nb5 Na6 11. Nf3 Qa5+ 12. Nc3 f6 13. Bf4 Bb4 14. Bd2 0-0 15. 0-0 Bxc3 16. Bxc3 Qc7 17. Re1 Rfe8 18. Re2 Re7 19. Qd3 Rae8 20. Rae1 Bf7 21. Rxe7 Rxe7 22. Rxe7 Qxe7 23. h3 Bg6 24. Qb5 Be4 25. Qe2 Kf8 26. a3 Bxf3 27. Qxf3 Qe4 28. Qxe4 dxe4 29. Kf2 f5 30. Ke3 Ke7 31. Kf4 Ke6 32. g4 g6 33. h4 h6 34. Bd2 Kf6 35. c4 b6 36. d5 Nb8 37. b4 Nd7 38. a4 a6 39. b5 axb5 40. cxb5 Nc5 41. a5 bxa5 42. Bxa5 Nb7 43. Bc7 e3 44. Kxe3 fxg4 45. Kf4 h5 46. b6 Nc5 47. Bd6 Nb7 48. Bc7 Nc5 49. Be5+ Kf7 50. Kg5 Nb7 51. d6 Ke6 52. Bg3 Kf7 1/2-1/2

[Event "NED-ch U13"]
[Site "Rijswijk"]
[Date "2005.05.06"]
[Round "6"]
[White "De Vries, Joel"]
[Black "Pieper, Roy"]
[Result "1-0"]
[ECO "C44"]
[WhiteElo "1446"]
[BlackElo "1316"]
[PlyCount "79"]
[EventDate "2005.05.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 f5 4. d5 Nb8 5. Nxe5 Qe7 6. Qh5+ g6 7. Nxg6 Qf7 8. exf5 Nf6 9. Qe2+ Be7 10. Nxh8 Qg8 11. Nc3 Qxh8 12. Bg5 d6 13. Nb5 Na6 14. 0-0-0 Bxf5 15. Nd4 Bg6 16. Re1 Qg7 17. Ne6 Qf7 18. Qf3 c6 19. Bxa6 bxa6 20. Nc7+ Kd7 21. Nxa8 Nxd5 22. Qxf7 Bxf7 23. Bxe7 Nxe7 24. Re3 Bxa2 25. b3 Nd5 26. Rh3 Nf4 27. Rxh7+ Ke6 28. Nc7+ Ke5 29. Nxa6 Nxg2 30. Nb4 Bxb3 31. cxb3 c5 32. Nc6+ Ke4 33. Nxa7 d5 34. Rc7 Kd4 35. Rd1+ Kc3 36. Rxc5+ Kxb3 37. Kd2 Kb2 38. Rb5+ Ka2 39. Kc3 Ka3 40. Ra1# 1-0

[Event "NED-ch U13"]
[Site "Rijswijk"]
[Date "2005.05.06"]
[Round "5"]
[White "Pieper, Roy"]
[Black "Bijlsma, Nick"]
[Result "0-1"]
[ECO "C22"]
[WhiteElo "1316"]
[BlackElo "1412"]
[PlyCount "78"]
[EventDate "2005.05.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 e5 2. d4 exd4 3. Qxd4 Nc6 4. Qd1 Nf6 5. Nc3 Bb4 6. Bd3 d5 7. Bd2 0-0 8. a3 dxe4 9. Bxe4 Bxc3 10. Bxc3 Qxd1+ 11. Kxd1 Nxe4 12. Ke1 Re8 13. Kf1 Nxc3 14. bxc3 Be6 15. Nf3 Rad8 16. Rb1 Bc4+ 17. Kg1 Ne5 18. Nxe5 Rxe5 19. h3 b6 20. Kh2 Re2 21. Rhe1 Rxe1 22. Rxe1 Kf8 23. Re4 Be6 24. Rh4 h6 25. Ra4 a5 26. Rd4 Rd5 27. Rd3 c5 28. c4 Rxd3 29. cxd3 Bf5 30. g4 Bxd3 31. f4 Bxc4 32. f5 Bb5 33. Kg3 c4 34. h4 c3 35. g5 c2 36. gxh6 gxh6 37. Kg4 c1Q 38. Kh3 Qg1 39. f6 Bf1# 0-1

[Event "NED-ch U13"]
[Site "Rijswijk"]
[Date "2005.05.06"]
[Round "4"]
[White "Pieper, Roy"]
[Black "Wisse, Pieter"]
[Result "1-0"]
[ECO "C47"]
[WhiteElo "1316"]
[BlackElo "1268"]
[PlyCount "107"]
[EventDate "2005.05.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 e5 2. d4 d6 3. dxe5 dxe5 4. Qxd8+ Kxd8 5. Nf3 Nc6 6. Nc3 Nf6 7. Bg5 Be7 8. 0-0-0+ Bd7 9. Bb5 Ke8 10. Bxc6 Bxc6 11. Nxe5 Nxe4 12. Bxe7 Kxe7 13. Nxc6+ bxc6 14. Nxe4 f5 15. Ng3 g6 16. Rhe1+ Kf8 17. Rd7 f4 18. Nf1 Re8 19. Rxe8+ Kxe8 20. Rxc7 Rf8 21. Rxa7 Rf5 22. Ra8+ Kd7 23. Nd2 Re5 24. b3 Ke6 25. Re8+ Kf6 26. Rxe5 Kxe5 27. a4 Kd6 28. b4 Kc7 29. Nc4 Kb7 30. Nd6+ Kb6 31. Ne4 Ka6 32. Kb2 Kb6 33. Kc3 Kc7 34. Kc4 Kb6 35. f3 h6 36. Nf6 h5 37. Ng8 h4 38. Ne7 g5 39. Kd4 Kc7 40. Kc5 Kb7 41. Nxc6 Ka6 42. b5+ Kb7 43. b6 Kc8 44. a5 Kb7 45. Nd8+ Kb8 46. b7 g4 47. fxg4 h3 48. a6 hxg2 49. Nc6+ Kc7 50. b8Q+ Kd7 51. Qb1 f3 52. Ne5+ Ke6 53. Nxf3 Kf6 54. Qg1 1-0

[Event "NED-ch U13"]
[Site "Rijswijk"]
[Date "2005.05.05"]
[Round "3"]
[White "Huenen, Tristan"]
[Black "Pieper, Roy"]
[Result "0-1"]
[ECO "C55"]
[WhiteElo "1434"]
[BlackElo "1316"]
[PlyCount "92"]
[EventDate "2005.05.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bc4 Nxe4 5. Nxe4 d5 6. Bd3 dxe4 7. Bxe4 Bg4 8. h3 Bh5 9. Bxc6+ bxc6 10. d3 Rb8 11. b3 Be7 12. Bb2 Qd5 13. c4 Bxf3 14. Qxf3 Qxf3 15. gxf3 Bf6 16. 0-0-0 0-0 17. Kc2 Rfe8 18. Rhg1 g6 19. f4 Bg7 20. fxe5 Bxe5 21. Bxe5 Rxe5 22. Rde1 Rbe8 23. Kd2 Rxe1 24. Rxe1 Rxe1 25. Kxe1 f5 26. Kd2 g5 27. Ke3 c5 28. d4 Kf7 29. dxc5 Ke6 30. Kd4 c6 31. a3 g4 32. hxg4 fxg4 33. Ke4 h5 34. Kf4 Kf6 35. Kg3 Kg5 36. b4 h4+ 37. Kh2 Kf4 38. Kg2 h3+ 39. Kg1 Kf3 40. b5 h2+ 41. Kxh2 Kxf2 42. bxc6 g3+ 43. Kh3 g2 44. Kh4 g1Q 45. c7 Qg8 46. c8Q Qxc8 0-1

[Event "NED-ch U13"]
[Site "Rijswijk"]
[Date "2005.05.05"]
[Round "1"]
[White "Klapwijk, Bram"]
[Black "Pieper, Roy"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "1597"]
[BlackElo "1316"]
[PlyCount "105"]
[EventDate "2005.05.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. e3 Nf6 4. d4 exd4 5. exd4 d5 6. Be3 Bb4 7. a3 Bxc3+ 8. bxc3 0-0 9. Ne2 dxc4 10. Ng3 Re8 11. Bxc4 Ng4 12. 0-0 Rxe3 13. fxe3 Nxe3 14. Bxf7+ Kh8 15. Qh5 Nxf1 16. Rxf1 h6 17. Qg6 Qg5 18. Qxg5 hxg5 19. Ne4 Bd7 20. Nc5 Be8 21. Ne6 Bd7 22. Nxc7 Rf8 23. Be6 Rxf1+ 24. Kxf1 Bxe6 25. Nxe6 g4 26. Kf2 g6 27. Kg3 Kh7 28. Kxg4 Kh6 29. Kf4 Kh5 30. d5 Ne7 31. d6 Nc6 32. d7 b6 33. d8Q Nxd8 34. Nxd8 Kh4 35. Nc6 a6 36. Nb4 a5 37. Nd5 b5 38. Nc7 g5+ 39. Kf5 b4 40. axb4 axb4 41. cxb4 g4 42. b5 g3 43. hxg3+ Kxg3 44. b6 Kxg2 45. b7 Kf3 46. b8Q Ke3 47. Qb4 Kd3 48. Ke5 Ke3 49. Qb3+ Kd2 50. Ke4 Ke2 51. Qb2+ Kd1 52. Ke3 Ke1 53. Qe2# 1-0

[Event "NED-ch U13"]
[Site "Rijswijk"]
[Date "2005.05.05"]
[Round "2"]
[White "Pieper, Roy"]
[Black "Donkers, Joran"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "1316"]
[BlackElo "1461"]
[PlyCount "138"]
[EventDate "2005.05.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c4 dxc4 5. Bxc4 cxd4 6. Nf3 Nc6 7. Bb5 Bd7 8. Bxc6 Bxc6 9. Qxd4 Qxd4 10. Nxd4 Bxg2 11. Rg1 Bd5 12. Nb5 Kd7 13. N1c3 a6 14. Nxd5 exd5 15. Nd4 Bc5 16. Nf3 g6 17. Be3 Bxe3 18. fxe3 f6 19. 0-0-0 Rc8+ 20. Kb1 Ke6 21. exf6 Nxf6 22. Ng5+ Ke7 23. a3 Rc5 24. Nf3 Rhc8 25. h3 Rc2 26. Rc1 Rxc1+ 27. Rxc1 Rxc1+ 28. Kxc1 Ke6 29. Ng5+ Kf5 30. Nf7 b6 31. Kd2 Ne4+ 32. Kd3 Nf2+ 33. Kd4 Nxh3 34. Kxd5 Nf2 35. Nd6+ Kf6 36. e4 h5 37. e5+ Ke7 38. Nc8+ Ke8 39. Nxb6 Nd3 40. Kd6 Nf4 41. Nd5 Nxd5 42. Kxd5 Ke7 43. Ke4 h4 44. Kf4 g5+ 45. Kg4 Ke6 46. b4 Kxe5 47. a4 Kd5 48. b5 axb5 49. axb5 Kc5 50. b6 Kxb6 51. Kh3 Kc5 52. Kg4 Kd4 53. Kf3 Ke5 54. Kg4 Kf6 55. Kf3 Kf5 56. Kg2 Kf4 57. Kf2 h3 58. Kg1 Kf3 59. Kh2 g4 60. Kg1 g3 61. Kh1 g2+ 62. Kg1 h2+ 63. Kxh2 Kf2 64. Kh3 g1Q 65. Kh4 Kf3 66. Kh5 Kf4 67. Kh6 Kf5 68. Kh7 Kf6 69. Kh8 Qg7# 0-1

