[Event "Siebenlehn op 12th"]
[Site "Siebenlehn"]
[Date "2011.12.29"]
[Round "5"]
[White "Materne, Holger"]
[Black "Peil, Christoph"]
[Result "0-1"]
[ECO "E74"]
[WhiteElo "1949"]
[BlackElo "2019"]
[PlyCount "52"]
[EventDate "2011.12.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. Bg5 Nbd7 7. Qd2 c5 8. d5 a6 9. a4 Qa5 10. f4 b5 11. cxb5 axb5 12. Bxb5 Ba6 13. Bxa6 Rxa6 14. Nf3 Nb6 15. 0-0 Nc4 16. Qe2 Qb4 17. Rab1 Rb6 18. h3 Nh5 19. Na2 Qxa4 20. b3 Rxb3 21. Qc2 Ra3 22. Rfc1 Rxa2 23. Qxc4 Qxc4 24. Rxc4 f6 25. Bh4 Nxf4 26. Kf1 Nxg2 0-1

[Event "Siebenlehn op 12th"]
[Site "Siebenlehn"]
[Date "2011.12.28"]
[Round "4"]
[White "Materne, Holger"]
[Black "Duenzel, Jonas"]
[Result "1/2-1/2"]
[ECO "E18"]
[WhiteElo "1949"]
[BlackElo "2071"]
[PlyCount "57"]
[EventDate "2011.12.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 d5 5. Bg2 Bb7 6. 0-0 Nbd7 7. cxd5 exd5 8. Nc3 Be7 9. Bg5 0-0 10. Rc1 c6 11. Re1 h6 12. Bxf6 Nxf6 13. Ne5 Nd7 14. Nd3 Bf6 15. e3 Re8 16. Qh5 Ba6 17. Nb4 Bb7 18. Nd3 Rc8 19. Nf4 Bg5 20. Qf3 Qf6 21. Nd3 Qxf3 22. Bxf3 f5 23. h4 Bd8 24. Bg2 Bc7 25. Bh3 Rf8 26. f4 g6 27. Ne5 Nxe5 28. fxe5 Kf7 29. Rf1 1/2-1/2

[Event "Siebenlehn op 12th"]
[Site "Siebenlehn"]
[Date "2011.12.28"]
[Round "3"]
[White "Niese, Dirk"]
[Black "Materne, Holger"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "2040"]
[BlackElo "1949"]
[PlyCount "55"]
[EventDate "2011.12.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nf6 5. Nf3 Nc6 6. Be2 e6 7. Na3 a6 8. Nc4 Qd8 9. Be3 Nd5 10. 0-0 Nxe3 11. fxe3 Be7 12. Nfe5 Nxe5 13. Nxe5 0-0 14. Bd3 g6 15. Qb3 Qc7 16. a4 Kg7 17. Nc4 Bd7 18. Nb6 Rad8 19. Nxd7 Rxd7 20. Rad1 Bd6 21. h3 Be7 22. Rf3 Bd8 23. Qc4 cxd4 24. Qxc7 Bxc7 25. exd4 e5 26. dxe5 Bxe5 27. Re1 f6 28. Kf1 1/2-1/2

