[Event "Berlin Werner Ott op"]
[Site "Berlin"]
[Date "2014.07.05"]
[Round "1"]
[White "Petzold, Matthias"]
[Black "Jahnz, Fabian"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1867"]
[BlackElo "2270"]
[PlyCount "46"]
[EventDate "2014.07.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 161 Extra"]
[Source "ChessBase"]
[SourceDate "2014.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2014.08.29"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 c5 4. e3 Nc6 5. c3 Qb6 6. Qc2 Bg4 7. Be2 Rc8 8. dxc5 Qxc5 9. Ne5 Bxe2 10. Qxe2 g6 11. Nxc6 Qxc6 12. Be5 Bg7 13. 0-0 0-0 14. Nd2 Rfd8 15. Nb3 Ne4 16. Bxg7 Kxg7 17. Rfd1 Qb6 18. Rd3 a5 19. Rad1 a4 20. Nd4 e5 21. Nf3 a3 22. Rxd5 Rxd5 23. Rxd5 axb2 0-1

[Event "Berlin Werner Ott op"]
[Site "Berlin"]
[Date "2012.07.10"]
[Round "4"]
[White "Schulz, Hartmut"]
[Black "Petzold, Matthias"]
[Result "1-0"]
[ECO "D61"]
[WhiteElo "2090"]
[PlyCount "103"]
[EventDate "2012.07.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 0-0 6. Nf3 c6 7. Qc2 Nbd7 8. Rd1 Nh5 9. Bxe7 Qxe7 10. Bd3 g6 11. 0-0 dxc4 12. Bxc4 Nb6 13. Be2 Ng7 14. e4 Bd7 15. Rfe1 Qf6 16. Qd2 Rfd8 17. Qh6 Ne8 18. Ne5 Qg7 19. Qf4 Nf6 20. Rd3 Be8 21. Red1 Nfd7 22. Nf3 Nf6 23. R3d2 Rac8 24. h3 Nh5 25. Qe3 Nf6 26. Ne5 Rc7 27. Nc4 Nxc4 28. Bxc4 Rcd7 29. a3 Qf8 30. Qf3 Qg7 31. e5 Nd5 32. Ne4 Kh8 33. Nd6 Nb6 34. Bb3 Nc8 35. Ne4 Ne7 36. Nf6 Rc7 37. Rc2 Nd5 38. Bxd5 exd5 39. b4 a6 40. Rdc1 Re7 41. Rc3 Bd7 42. Rc5 Be6 43. a4 Rc8 44. Nxd5 Bxd5 45. Rxd5 Rf8 46. Rd6 Rfe8 47. b5 axb5 48. axb5 cxb5 49. Rc5 Re6 50. Rd7 Qf8 51. Rxf7 Qg8 52. Rcc7 1-0

