[Event "Hessen-ch Gr-D"]
[Site "Idstein"]
[Date "2009.04.12"]
[Round "5"]
[White "Brehm, Arthur"]
[Black "Mahler, Peter"]
[Result "0-1"]
[ECO "B21"]
[WhiteElo "1519"]
[BlackElo "1644"]
[PlyCount "54"]
[EventDate "2009.04.10"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. c3 dxc3 5. Nxc3 Nf6 6. Bc4 e6 7. 0-0 Be7 8. Re1 Nc6 9. a3 0-0 10. Bb3 a6 11. Be3 b5 12. h3 Bb7 13. Qe2 Rc8 14. Rad1 Qc7 15. Ng5 Nd8 16. f4 h6 17. Nf3 Nxe4 18. Nxe4 Bxe4 19. Rc1 Qb7 20. Nh2 d5 21. Rxc8 Qxc8 22. Rc1 Qb8 23. Ng4 Nb7 24. Ne5 Qd8 25. Nc6 Qd7 26. Ne5 Qe8 27. Rc7 Na5 0-1

[Event "Hessen-ch Gr-D"]
[Site "Idstein"]
[Date "2009.04.11"]
[Round "3"]
[White "Kempf, Alexander"]
[Black "Mahler, Peter"]
[Result "1-0"]
[ECO "B88"]
[WhiteElo "1810"]
[BlackElo "1644"]
[PlyCount "89"]
[EventDate "2009.04.10"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 Be7 8. 0-0 0-0 9. Be3 b5 10. a3 Qc7 11. f4 Nc6 12. f5 Nxd4 13. Bxd4 e5 14. Be3 Bb7 15. Qf3 Rfd8 16. Rad1 Rac8 17. g4 Ne8 18. g5 Bf8 19. Qh5 Rd7 20. Rf3 d5 21. Rh3 h6 22. Nxd5 Bxd5 23. Rxd5 Rxd5 24. Bxd5 Bc5 25. c3 Bxe3+ 26. Rxe3 Rd8 27. gxh6 Rxd5 28. exd5 Qc5 29. Qe2 Nf6 30. d6 Qxd6 31. Rxe5 Qb6+ 32. Kf1 Qc6 33. Qg2 Qc4+ 34. Kg1 Ng4 35. Rd5 Nxh6 36. f6 g6 37. h3 Qf4 38. Qg5 Qc7 39. Qxh6 Qg3+ 40. Kf1 Qf3+ 41. Ke1 Qxf6 42. Qg5 Qe6+ 43. Qe5 Qb6 44. Qd4 Qe6+ 45. Kd2 1-0

[Event "Hessen-ch Gr-D"]
[Site "Idstein"]
[Date "2009.04.11"]
[Round "4"]
[White "Mahler, Peter"]
[Black "Sanitz, Grigori"]
[Result "1-0"]
[ECO "E94"]
[WhiteElo "1644"]
[BlackElo "1511"]
[PlyCount "93"]
[EventDate "2009.04.10"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. d4 g6 2. c4 Bg7 3. Nc3 Nf6 4. e4 d6 5. Be2 0-0 6. Nf3 Re8 7. 0-0 Nbd7 8. Be3 e5 9. d5 Nc5 10. Qc2 Ng4 11. Bg5 Bf6 12. Bxf6 Nxf6 13. b4 Ncd7 14. Nd2 Nf8 15. f4 Ng4 16. Bxg4 Bxg4 17. fxe5 Rxe5 18. Nf3 Rh5 19. Qd3 f5 20. exf5 Bxf5 21. Qe3 Qd7 22. Rae1 Qg7 23. Ne2 a5 24. b5 Bd7 25. Ng3 Re8 26. Qd2 Rh6 27. Rxe8 Bxe8 28. Qe3 Bf7 29. Ng5 Qe5 30. Qxe5 dxe5 31. Nxf7 Rh4 32. Nxe5 Rd4 33. Rc1 h5 34. Nf3 Rd3 35. Ne4 Kg7 36. Nc5 Ra3 37. Rc2 b6 38. Na6 Nd7 39. Nxc7 Nc5 40. Ne6+ Kf6 41. Nxc5 bxc5 42. Nd2 Re3 43. Nb3 Ke5 44. Nxa5 Kd6 45. b6 Ra3 46. b7 Kc7 47. Rb2 1-0

[Event "Hessen-ch Gr-D"]
[Site "Idstein"]
[Date "2009.04.10"]
[Round "2"]
[White "Mahler, Peter"]
[Black "Gunde, Thomas"]
[Result "1-0"]
[ECO "D10"]
[WhiteElo "1644"]
[BlackElo "1575"]
[PlyCount "45"]
[EventDate "2009.04.10"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 a6 5. Bd3 dxc4 6. Bxc4 b5 7. Bd3 e6 8. Nge2 c5 9. 0-0 Nc6 10. dxc5 Bxc5 11. Ne4 Nxe4 12. Bxe4 Bb7 13. Qc2 Qb6 14. a3 0-0-0 15. b4 Bd6 16. Bb2 Kb8 17. Rac1 Ne7 18. Bxg7 Rhg8 19. Bf6 Rg4 20. Bxb7 Qxb7 21. g3 Rg6 22. Bxe7 Qxe7 23. Nd4 1-0

[Event "Hessen-ch Gr-D"]
[Site "Idstein"]
[Date "2009.04.10"]
[Round "1"]
[White "Will, Patrick"]
[Black "Mahler, Peter"]
[Result "1-0"]
[ECO "E97"]
[WhiteElo "1929"]
[BlackElo "1644"]
[PlyCount "83"]
[EventDate "2009.04.10"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 g6 3. c4 Bg7 4. Nc3 0-0 5. e4 d6 6. Be2 Nc6 7. 0-0 e5 8. d5 Ne7 9. b4 Ne8 10. Nd2 f5 11. f3 f4 12. c5 g5 13. Nc4 Ng6 14. Ba3 Rf7 15. b5 Bf8 16. cxd6 cxd6 17. Rc1 Rg7 18. Qb3 h5 19. b6 a6 20. Rc2 g4 21. Rfc1 Qh4 22. Na4 Bd7 23. Na5 gxf3 24. Bxf3 Rc8 25. Rxc8 Bxc8 26. Qd1 Bg4 27. Bb4 Qg5 28. Kh1 Nh4 29. Bxg4 f3 30. Be6+ Kh8 31. g3 Qe3 32. Qe1 Ng2 33. Qxe3 Nxe3 34. Be1 h4 35. Bf2 Ng4 36. Bxg4 Rxg4 37. Rc4 hxg3 38. hxg3 Rg7 39. Rc8 Re7 40. Nxb7 Rxb7 41. Rxe8 Kg7 42. Rc8 1-0

