[Event "Groningen Atlantis op"]
[Site "Groningen"]
[Date "2015.08.28"]
[Round "3"]
[White "Klapwijk, Bram"]
[Black "Piket, Roel"]
[Result "1-0"]
[ECO "C11"]
[WhiteElo "2151"]
[PlyCount "55"]
[EventDate "2015.08.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. Nf3 c5 6. dxc5 Nc6 7. Bf4 Bxc5 8. Bd3 a6 9. 0-0 h6 10. h4 b5 11. a3 Bb7 12. Re1 Qb6 13. Qe2 0-0-0 14. b4 Be7 15. Bd2 Nd4 16. Nxd4 Qxd4 17. a4 Bxb4 18. Nxb5 axb5 19. c3 Qxe5 20. Qg4 Qd6 21. cxb4 bxa4 22. Bf4 Qxb4 23. Rec1+ Nc5 24. Rab1 Qd4 25. Qd1 Qxf4 26. Rxc5+ Kb8 27. Rxb7+ Kxb7 28. Qb1+ 1-0

[Event "Groningen Atlantis op"]
[Site "Groningen"]
[Date "2015.08.27"]
[Round "1"]
[White "Piket, Roel"]
[Black "Groenewold, Jan Joris"]
[Result "1/2-1/2"]
[ECO "A01"]
[BlackElo "2164"]
[PlyCount "50"]
[EventDate "2015.08.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. b3 e5 2. Bb2 Nc6 3. e3 Nf6 4. Nf3 e4 5. Ne5 Ne7 6. d3 d6 7. Nc4 d5 8. Ncd2 Ng6 9. dxe4 dxe4 10. Nc3 Bf5 11. h3 h5 12. Qe2 c6 13. 0-0-0 Qc7 14. g3 0-0-0 15. Rg1 Ne5 16. Bg2 Qa5 17. Nc4 Nxc4 18. Qxc4 Rxd1+ 19. Rxd1 Be6 20. Qd4 Be7 21. Nxe4 Rd8 22. Qe5 Rxd1+ 23. Kxd1 Qxe5 24. Bxe5 Nxe4 25. Bxe4 Bf6 1/2-1/2

[Event "NED Open-ch13"]
[Site "Dieren"]
[Date "1982.08.??"]
[Round "1"]
[White "Albrecht, Rainer"]
[Black "Piket, Roel"]
[Result "1/2-1/2"]
[ECO "D52"]
[PlyCount "48"]
[EventDate "1982.06.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Bg5 Nbd7 5. cxd5 exd5 6. Nc3 c6 7. e3 Qa5 8. Nd2 Bb4 9. Qc2 0-0 10. Bd3 Ne4 11. Bxe4 dxe4 12. Ndxe4 Re8 13. Bf4 Rxe4 14. Qxe4 Bxc3+ 15. bxc3 Qxc3+ 16. Ke2 Qb2+ 17. Kf3 Nf6 18. Qd3 Bg4+ 19. Kg3 Be2 20. Qb3 Ne4+ 21. Kh4 h6 22. Qxb2 g5+ 23. Kh3 Nxf2+ 24. Kg3 Ne4+ 1/2-1/2

