[Event "Rhein Main op-B 21st"]
[Site "Bad Homburg"]
[Date "2018.06.03"]
[Round "7"]
[White "Jahraus, Marlis"]
[Black "Koestler, Peter"]
[Result "1/2-1/2"]
[ECO "B21"]
[WhiteElo "1550"]
[BlackElo "1822"]
[PlyCount "72"]
[EventDate "2018.05.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Be2 Nc6 3. f4 d6 4. Nf3 g6 5. 0-0 Bg7 6. c3 e5 7. d3 Nge7 8. Na3 0-0 9. Nc2 Qb6 10. Kh1 f5 11. Nh4 Bf6 12. Qe1 Be6 13. Qg3 Kh8 14. Qh3 Bxh4 15. Qxh4 Qd8 16. fxe5 dxe5 17. Bh6 Rf7 18. Rf3 Ng8 19. Bg5 Qd7 20. Raf1 Raf8 21. exf5 Rxf5 22. Rxf5 Rxf5 23. Rxf5 Bxf5 24. Qg3 Kg7 25. Ne1 e4 26. dxe4 Bxe4 27. Bf4 Nf6 28. h4 Ne7 29. h5 Qf5 30. h6+ Kf7 31. Nd3 Nh5 32. Ne5+ Ke6 33. Bxh5 Qxh5+ 34. Kg1 Qd1+ 35. Kh2 Nf5 36. Qg4 Qxg4 1/2-1/2

[Event "Rhein Main op-B 21st"]
[Site "Bad Homburg"]
[Date "2018.06.02"]
[Round "6"]
[White "Koestler, Peter"]
[Black "Ma, Tommy"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1822"]
[BlackElo "1596"]
[PlyCount "82"]
[EventDate "2018.05.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 e6 2. Bf4 d5 3. c3 Nf6 4. e3 c5 5. Nf3 Nc6 6. Nbd2 a6 7. h3 Be7 8. Be2 0-0 9. 0-0 b5 10. dxc5 Bxc5 11. Nb3 Bb6 12. Ne5 Nxe5 13. Bxe5 Ne4 14. Nd4 Bd7 15. Bd3 f6 16. Bh2 e5 17. Bxe4 dxe4 18. Qb3+ Rf7 19. Ne2 Qe7 20. Qd5 Rb8 21. Qxe4 Qe6 22. Qc2 Bc6 23. Rad1 Bd5 24. Nd4 exd4 25. Bxb8 dxe3 26. fxe3 Bxe3+ 27. Kh2 Rf8 28. Bg3 Bxa2 29. Rde1 Rd8 30. Rf3 Rd2 31. Qxd2 Bxd2 32. Rxe6 Bxe6 33. Rd3 Bc1 34. Rd1 Bxb2 35. Be1 Kf7 36. Rd6 a5 37. Rb6 Bc4 38. Rb7+ Kg6 39. Kg3 a4 40. Bf2 a3 41. Ra7 a2 0-1

[Event "Rhein Main op-B 21st"]
[Site "Bad Homburg"]
[Date "2018.06.02"]
[Round "5"]
[White "Michel, Carsten"]
[Black "Koestler, Peter"]
[Result "1-0"]
[ECO "A52"]
[WhiteElo "1631"]
[BlackElo "1822"]
[PlyCount "61"]
[EventDate "2018.05.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Bf4 Bc5 5. e3 Nc6 6. Nf3 Qe7 7. Be2 Ngxe5 8. 0-0 0-0 9. a3 a5 10. Nc3 d6 11. Nd5 Qd8 12. Qc2 h6 13. Rfd1 Nxf3+ 14. Bxf3 Re8 15. Nc3 Ne5 16. Bxe5 Rxe5 17. Na4 Qe7 18. Nxc5 dxc5 19. Rd2 Bf5 20. Qc3 c6 21. Rad1 a4 22. Rd6 Re8 23. Qd2 Be6 24. Qc3 Rg5 25. Qc2 Ra8 26. Qd3 Re5 27. Rd8+ Rxd8 28. Qxd8+ Qxd8 29. Rxd8+ Kh7 30. Be2 Re4 31. Bd3 1-0

[Event "Rhein Main op-B 21st"]
[Site "Bad Homburg"]
[Date "2018.06.01"]
[Round "4"]
[White "Koestler, Peter"]
[Black "Schaefer, Christoph"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1822"]
[BlackElo "1774"]
[PlyCount "126"]
[EventDate "2018.05.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 d5 3. e3 e6 4. Nf3 Bd6 5. Ne5 0-0 6. Nd2 c5 7. c3 Nc6 8. Ndf3 Qc7 9. Bb5 cxd4 10. exd4 Ne4 11. Nxc6 bxc6 12. Bxd6 Qxd6 13. Bd3 c5 14. 0-0 Rb8 15. Rb1 Ba6 16. Re1 Bxd3 17. Qxd3 c4 18. Qe2 Rb7 19. Nd2 Nxd2 20. Qxd2 Rfb8 21. g3 Qa6 22. a3 Rb3 23. Qc2 Qb6 24. Re2 Rxa3 25. Kg2 Ra2 26. Qc1 a5 27. h4 a4 28. h5 h6 29. g4 Qd6 30. Ra1 Rxa1 31. Qxa1 Ra8 32. Qc1 Qe7 33. Qe3 Qg5 34. Qg3 a3 35. bxa3 Rxa3 36. Re3 Rb3 37. Kh3 Qd8 38. f4 Qa5 39. g5 hxg5 40. fxg5 Qa1 41. g6 Qf1+ 42. Kh4 Rb2 43. gxf7+ Qxf7 44. Rf3 Rh2+ 45. Qxh2 Qxf3 46. Qb8+ Qf8 47. Qb6 Qf4+ 48. Kh3 Qf5+ 49. Kh4 Kh7 50. Qb4 Kh6 51. Qb8 Qxh5+ 52. Kg3 Qg5+ 53. Kf3 Qf5+ 54. Kg3 Kg5 55. Qd8+ Qf6 56. Qc7 g6 57. Qb8 Kh5 58. Kg2 Qg5+ 59. Kf3 Qg4+ 60. Kf2 Qf5+ 61. Kg2 Qc2+ 62. Kf1 Kg4 63. Qe5 Qf5+ 0-1

[Event "Rhein Main op-B 21st"]
[Site "Bad Homburg"]
[Date "2018.05.31"]
[Round "3"]
[White "Francke, Helmut"]
[Black "Koestler, Peter"]
[Result "1/2-1/2"]
[ECO "A08"]
[WhiteElo "1924"]
[BlackElo "1822"]
[PlyCount "33"]
[EventDate "2018.05.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. Nf3 c5 2. g3 d5 3. Bg2 Nc6 4. d3 e5 5. 0-0 Bd6 6. Nbd2 Nge7 7. e4 d4 8. a4 0-0 9. Nc4 h6 10. h3 Be6 11. b3 Bc7 12. Qe2 Qd7 13. Kh2 a6 14. Bd2 b5 15. Nb2 Nb4 16. Ne1 Nbc6 17. h4 1/2-1/2

[Event "Rhein Main op-B 21st"]
[Site "Bad Homburg"]
[Date "2018.05.31"]
[Round "2"]
[White "Koestler, Peter"]
[Black "Ghaznavi, Massoud"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1822"]
[BlackElo "1622"]
[PlyCount "97"]
[EventDate "2018.05.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Bf5 3. e3 Nf6 4. Nf3 e6 5. c3 Bd6 6. Ne5 0-0 7. Nd2 h6 8. Be2 c5 9. h3 c4 10. b3 b5 11. a4 b4 12. cxb4 Bxb4 13. 0-0 Bxd2 14. Qxd2 Ne4 15. Qb4 c3 16. f3 Nd2 17. Rfc1 Qb6 18. Qxb6 axb6 19. Rxc3 Na6 20. e4 dxe4 21. Bxd2 Nb4 22. fxe4 Bxe4 23. Bf3 Bd5 24. Rcc1 Na6 25. Bxd5 exd5 26. Nd7 Rfe8 27. Nxb6 Rad8 28. Re1 Re6 29. a5 Re4 30. Bc3 f5 31. Rxe4 dxe4 32. Kf2 g5 33. Ke3 Re8 34. g3 Kf7 35. Rf1 Kg6 36. Rc1 Re7 37. d5 Re8 38. d6 Nc5 39. b4 f4+ 40. gxf4 gxf4+ 41. Ke2 Ne6 42. a6 e3 43. d7 Rd8 44. a7 Nc7 45. Be5 Ne6 46. Rc8 Kf5 47. Rxd8 Nxd8 48. a8Q Ne6 49. Qd5 1-0

[Event "Rhein Main op-B 20th"]
[Site "Bad Homburg"]
[Date "2017.06.18"]
[Round "7"]
[White "Koestler, Peter"]
[Black "Meyer, Marcel"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "1855"]
[BlackElo "1687"]
[PlyCount "90"]
[EventDate "2017.06.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 c5 4. e3 Nc6 5. c3 Qb6 6. Qc1 Bf5 7. Be2 h6 8. h3 e6 9. Nbd2 Qd8 10. Ne5 Bd6 11. Ndf3 Qc7 12. 0-0 Nd7 13. Bb5 0-0 14. Nxd7 Qxd7 15. Bxd6 Qxd6 16. Ba4 Bd3 17. Re1 a6 18. Qd2 Be4 19. Qe2 b5 20. Bc2 f5 21. Rad1 c4 22. a3 a5 23. Nh2 b4 24. axb4 axb4 25. f3 Bxc2 26. Qxc2 Ra2 27. Qc1 bxc3 28. bxc3 Rb8 29. Rd2 Qa3 30. Rxa2 Qxa2 31. Qa1 Qa5 32. Nf1 Rb3 33. Qxa5 Nxa5 34. Rc1 Rb2 35. Ra1 Nb3 36. Ra6 Kf7 37. e4 fxe4 38. fxe4 Rc2 39. exd5 exd5 40. Ne3 Rxc3 41. Nxd5 Rc1+ 42. Kf2 Nxd4 43. Ne3 c3 44. Ra4 c2 45. Rc4 Ra1 1/2-1/2

[Event "Rhein Main op-B 20th"]
[Site "Bad Homburg"]
[Date "2017.06.17"]
[Round "5"]
[White "Kessler, Soeren Sebastian"]
[Black "Koestler, Peter"]
[Result "1-0"]
[ECO "E01"]
[WhiteElo "1935"]
[BlackElo "1855"]
[PlyCount "113"]
[EventDate "2017.06.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. g3 c6 5. Bg2 Nbd7 6. 0-0 Bd6 7. Nbd2 0-0 8. b3 e5 9. dxe5 Nxe5 10. Bb2 Nxf3+ 11. Nxf3 dxc4 12. bxc4 Re8 13. Qc2 h6 14. Rfd1 Qe7 15. Nd4 Bc5 16. e4 Bg4 17. f3 Bh5 18. Kh1 Bg6 19. Nb3 Bb6 20. Qc3 Bc7 21. Rd2 Be5 22. Qxe5 Qxe5 23. Bxe5 Rxe5 24. Rad1 Re7 25. Kg1 Rc8 26. Kf2 Rcc7 27. Bh3 Bxe4 28. Rd8+ Kh7 29. fxe4 Nxe4+ 30. Kf1 Ng5 31. Bg2 c5 32. Re1 Ne6 33. Rd5 b6 34. Rde5 g6 35. Bd5 Kg7 36. Kf2 Kf6 37. R5e3 Rcd7 38. Nc1 Nd4 39. Rxe7 Rxe7 40. Rxe7 Kxe7 41. Ne2 Nc2 42. Kf3 Nb4 43. Nc3 f5 44. h3 Nc2 45. a4 Nb4 46. Nb5 a6 47. Nc3 Kf6 48. Bb7 Ke5 49. Nd5 Nxd5 50. Bxd5 b5 51. a5 b4 52. Ke3 g5 53. Bb7 Kd6 54. Bc8 Ke5 55. Bxa6 f4+ 56. gxf4+ gxf4+ 57. Kf3 1-0

[Event "Rhein Main op-B 20th"]
[Site "Bad Homburg"]
[Date "2017.06.17"]
[Round "6"]
[White "Schindelmeiser, Frank"]
[Black "Koestler, Peter"]
[Result "1-0"]
[ECO "A25"]
[WhiteElo "1957"]
[BlackElo "1855"]
[PlyCount "87"]
[EventDate "2017.06.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. c4 e5 2. g3 Bc5 3. Nc3 Nc6 4. Bg2 Nge7 5. e3 d6 6. a3 a5 7. Nge2 Bg4 8. 0-0 Qd7 9. f3 Bh3 10. d4 Ba7 11. Nd5 Bxg2 12. Kxg2 0-0 13. Nxe7+ Qxe7 14. d5 Nb8 15. b4 axb4 16. axb4 Nd7 17. Qb3 Kh8 18. Bb2 f5 19. Ra4 Bb6 20. Rfa1 Rxa4 21. Rxa4 h5 22. f4 Kh7 23. fxe5 Nxe5 24. h3 Nd7 25. Nf4 Qe4+ 26. Kf2 Ne5 27. Bxe5 Qxe5 28. Ne6 Rf6 29. c5 h4 30. cxb6 hxg3+ 31. Kg1 cxb6 32. b5 Rh6 33. Kg2 Rh5 34. Kg1 Kh6 35. Ra8 Kh7 36. Nf8+ Kh6 37. Nd7 Qe4 38. Rh8+ Kg6 39. Nf8+ Kf7 40. Rxh5 Qf3 41. Qc2 Qxh5 42. Ne6 Qg6 43. Qc7+ Kf6 44. Qxd6 1-0

[Event "Rhein Main op-B 20th"]
[Site "Bad Homburg"]
[Date "2017.06.16"]
[Round "4"]
[White "Koestler, Peter"]
[Black "Modric, Vladimir"]
[Result "1/2-1/2"]
[ECO "A41"]
[WhiteElo "1855"]
[BlackElo "1884"]
[PlyCount "76"]
[EventDate "2017.06.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 g6 2. Nf3 Bg7 3. Bf4 d6 4. e3 Nd7 5. Bc4 e6 6. c3 b6 7. Nbd2 Bb7 8. 0-0 Ne7 9. Qe2 0-0 10. e4 h6 11. Rad1 a5 12. Rfe1 Qc8 13. e5 d5 14. Bd3 Ba6 15. Nb1 Bxd3 16. Qxd3 Qa6 17. Qxa6 Rxa6 18. a4 c6 19. Na3 g5 20. Bg3 Nf5 21. Nd2 b5 22. axb5 cxb5 23. Nc2 Rc8 24. Ra1 Bf8 25. Nb3 Rca8 26. f4 a4 27. Nc1 Nb6 28. Nd3 Nc4 29. fxg5 hxg5 30. Reb1 Rc8 31. Be1 Raa8 32. Kf2 g4 33. Ndb4 Na5 34. Rd1 Nb3 35. Rab1 Bh6 36. Rd3 Nc1 37. Rd1 Nb3 38. Rd3 Nc1 1/2-1/2

[Event "Rhein Main op-B 20th"]
[Site "Bad Homburg"]
[Date "2017.06.15"]
[Round "2"]
[White "Berg, Rainer"]
[Black "Koestler, Peter"]
[Result "0-1"]
[ECO "A25"]
[WhiteElo "1547"]
[BlackElo "1855"]
[PlyCount "98"]
[EventDate "2017.06.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. a3 a5 4. e4 Bc5 5. d3 d6 6. h3 Nge7 7. Nge2 0-0 8. Ng3 h6 9. Be2 f5 10. Nd5 f4 11. Nxe7+ Qxe7 12. Nf1 Qh4 13. g3 Bxf2+ 14. Kxf2 fxg3+ 15. Kg2 Rf2+ 16. Kg1 g2 17. Rh2 gxf1Q+ 18. Bxf1 Qg3+ 19. Rg2 Rxg2+ 20. Bxg2 Bxh3 21. Qf3 Qxg2+ 22. Qxg2 Bxg2 23. Kxg2 Rf8 24. Be3 g5 25. c5 Kg7 26. cxd6 cxd6 27. Rb1 Kg6 28. b4 axb4 29. axb4 g4 30. b5 Nd8 31. d4 Rf3 32. Re1 Ne6 33. d5 Ng5 34. Bg1 Rb3 35. b6 Nf3 36. Rc1 Nxg1 37. Kxg1 Rxb6 38. Rc7 h5 39. Re7 Kg5 40. Rf7 h4 41. Rf5+ Kg6 42. Rf8 h3 43. Kh2 Kg5 44. Rf5+ Kh4 45. Rf6 Rb2+ 46. Kg1 Kg3 47. Rf1 b5 48. Kh1 b4 49. Rg1+ Kf3 0-1

[Event "Rhein Main op-B 20th"]
[Site "Bad Homburg"]
[Date "2017.06.15"]
[Round "3"]
[White "Koestler, Peter"]
[Black "Wulf, Guenter"]
[Result "1-0"]
[ECO "A48"]
[WhiteElo "1855"]
[BlackElo "1749"]
[PlyCount "57"]
[EventDate "2017.06.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d6 2. Nf3 g6 3. Bf4 Bg7 4. e3 Nf6 5. h3 0-0 6. Bc4 Nc6 7. 0-0 d5 8. Be2 Bf5 9. c3 Bd7 10. Nbd2 e6 11. Ne5 Be8 12. Bg5 Qd6 13. Rc1 Ne4 14. Nxe4 dxe4 15. Nc4 Qd5 16. Bf4 Rc8 17. Qc2 e5 18. dxe5 Nxe5 19. Rcd1 Nd3 20. Bxd3 Bc6 21. Be2 Qe6 22. Na5 b5 23. Qb3 Qe8 24. Nxc6 Qxc6 25. Bxb5 Qb6 26. Bc4 Bf6 27. Rd7 Qxb3 28. axb3 Rfd8 29. Rfd1 1-0

[Event "Rhein Main op-B 20th"]
[Site "Bad Homburg"]
[Date "2017.06.14"]
[Round "1"]
[White "Koestler, Peter"]
[Black "Tiggemann, Felix"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1855"]
[BlackElo "1550"]
[PlyCount "83"]
[EventDate "2017.06.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 e6 3. Bf4 c5 4. e3 Nc6 5. c3 Qb6 6. Qb3 c4 7. Qc2 Nf6 8. h3 Nh5 9. Bh2 Be7 10. Be2 Na5 11. 0-0 Bd7 12. Nbd2 Rc8 13. Rab1 Nf6 14. Ne5 Bb5 15. b4 Nc6 16. a4 Nxe5 17. dxe5 Bxa4 18. Qxa4+ Nd7 19. e4 Qc6 20. Qxc6 bxc6 21. Ra1 Rc7 22. exd5 cxd5 23. Nf3 0-0 24. Nd4 Nb8 25. Nb5 Rb7 26. Rxa7 Rxa7 27. Nxa7 Bg5 28. f4 Bd8 29. Nb5 Bb6+ 30. Kh1 Be3 31. Bg1 Bxg1 32. Kxg1 Nc6 33. Ra1 Rb8 34. Ra6 Ne7 35. Nd4 Ng6 36. g3 h6 37. Ra7 Nf8 38. Nc6 Rb6 39. Nd4 g6 40. b5 Rb8 41. Bd1 Rc8 42. b6 1-0

[Event "Rhein Main op-B 19th"]
[Site "Bad Homburg"]
[Date "2016.05.29"]
[Round "7"]
[White "Koestler, Peter"]
[Black "Preiss, Matthias"]
[Result "1/2-1/2"]
[ECO "A47"]
[WhiteElo "1902"]
[BlackElo "1653"]
[PlyCount "136"]
[EventDate "2016.05.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. d4 b6 2. Bf4 Bb7 3. e3 e6 4. Nf3 Nf6 5. h3 c5 6. c3 Be7 7. Bd3 0-0 8. 0-0 d6 9. Qe2 Nbd7 10. Nbd2 Re8 11. Nc4 Nf8 12. Rad1 Ng6 13. Bh2 b5 14. Ncd2 c4 15. Bc2 d5 16. Ne5 Nxe5 17. dxe5 Nd7 18. Qg4 Qb6 19. Bf4 f5 20. Qe2 b4 21. Nf3 a5 22. Nd4 Nc5 23. cxb4 axb4 24. Bb1 Ba6 25. Rfe1 c3 26. Qc2 cxb2 27. Qxb2 Na4 28. Qd2 Nc3 29. Rc1 Nxb1 30. Rxb1 Bc4 31. Rb2 Ra6 32. Rc1 Rea8 33. Rcc2 Ra4 34. Kh2 R8a6 35. g4 g6 36. gxf5 exf5 37. Nb3 Kf7 38. Nc1 h5 39. Kg2 Qb5 40. Qd1 Ke6 41. Ne2 Bxe2 42. Rxe2 Rc6 43. Red2 Ra3 44. Rd4 Rac3 45. Rbd2 Rc1 46. Qe2 Qxe2 47. Rxe2 R1c2 48. Rdd2 Rxd2 49. Rxd2 g5 50. Bh2 Rc3 51. Re2 Bc5 52. Rd2 h4 53. Rb2 g4 54. hxg4 fxg4 55. Bf4 Kf5 56. Rd2 h3+ 57. Kh2 Ke4 58. Bg3 d4 59. exd4 Bxd4 60. e6 Rc8 61. e7 Re8 62. Re2+ Kf5 63. Bd6 Bc3 64. Re3 Bd2 65. Re5+ Kf6 66. Rb5 Kf7 67. Rf5+ Ke6 68. Rf8 Kd7 1/2-1/2

[Event "Rhein Main op-B 19th"]
[Site "Bad Homburg"]
[Date "2016.05.28"]
[Round "6"]
[White "Hinrichs, Paul"]
[Black "Koestler, Peter"]
[Result "1/2-1/2"]
[ECO "A52"]
[WhiteElo "1795"]
[BlackElo "1902"]
[PlyCount "126"]
[EventDate "2016.05.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Bf4 Bb4+ 5. Nd2 Nc6 6. Ngf3 Qe7 7. a3 Ngxe5 8. Nxe5 Nxe5 9. e3 Bxd2+ 10. Qxd2 0-0 11. Qc3 d6 12. c5 Bf5 13. Be2 Rfe8 14. cxd6 cxd6 15. 0-0 Rec8 16. Qd4 Rc2 17. Bb5 a6 18. Ba4 Rc4 19. Qd1 Nd3 20. Bb3 Rc6 21. Bd5 Rc7 22. e4 Bxe4 23. Bxd6 Qxd6 24. Bxe4 Rd8 25. Qe2 Nc5 26. Rfd1 Qf6 27. Rxd8+ Qxd8 28. Rd1 Qf6 29. Bxb7 g6 30. Bf3 Ne6 31. Bd5 Nf4 32. Qd2 Nxd5 33. Qxd5 Rc2 34. Qd8+ Qxd8 35. Rxd8+ Kg7 36. g3 Rxb2 37. Rd6 a5 38. Rd5 a4 39. Ra5 Ra2 40. Rxa4 h5 41. h4 Kf6 42. Rf4+ Ke6 43. Rf3 f6 44. Kg2 Ke5 45. Rb3 Kf5 46. Kf3 g5 47. Rb5+ Kg6 48. Ra5 g4+ 49. Ke3 Kh6 50. Ra6 Kg6 51. f3 gxf3 52. Kxf3 Ra1 53. a4 Kf5 54. Ra5+ Kg6 55. Kf4 Rf1+ 56. Ke3 Rg1 57. Kf2 Ra1 58. Kf3 Rf1+ 59. Kg2 Ra1 60. Ra8 Kf5 61. a5 Kg4 62. Rg8+ Kf5 63. Rh8 Kg4 1/2-1/2

[Event "Rhein Main op-B 19th"]
[Site "Bad Homburg"]
[Date "2016.05.28"]
[Round "5"]
[White "Koestler, Peter"]
[Black "Held, Maurice"]
[Result "1-0"]
[ECO "A48"]
[WhiteElo "1902"]
[BlackElo "1646"]
[PlyCount "61"]
[EventDate "2016.05.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. d4 g6 2. Bf4 Bg7 3. e3 c5 4. c3 cxd4 5. exd4 Nf6 6. Nf3 0-0 7. Bc4 d5 8. Bd3 Bg4 9. Nbd2 Nc6 10. h3 Bxf3 11. Nxf3 Nd7 12. Bb5 Rc8 13. 0-0 Nb6 14. Re1 a6 15. Bd3 Na5 16. Qe2 e6 17. Rac1 Nac4 18. Rc2 Nd6 19. Ne5 Nbc4 20. Ng4 h5 21. Ne5 Nxe5 22. dxe5 Nc4 23. Qf3 b5 24. Rce2 Qe7 25. Qg3 b4 26. Bg5 Qc5 27. cxb4 Qxb4 28. Qh4 a5 29. Be7 Qb6 30. Bxf8 Bxf8 31. Rc2 1-0

[Event "Rhein Main op-B 19th"]
[Site "Bad Homburg"]
[Date "2016.05.27"]
[Round "4"]
[White "Winckler, Andreas"]
[Black "Koestler, Peter"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1689"]
[BlackElo "1902"]
[PlyCount "62"]
[EventDate "2016.05.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. b4 d5 2. Bb2 Bf5 3. e3 e6 4. Nf3 Nf6 5. b5 Be7 6. Be2 0-0 7. Nh4 Bg6 8. Nxg6 hxg6 9. 0-0 c5 10. d3 Qb6 11. c4 Nbd7 12. a4 Rfd8 13. a5 Qc7 14. Nd2 b6 15. a6 e5 16. cxd5 Nxd5 17. Qb3 N5f6 18. Bf3 Rac8 19. Nc4 Bd6 20. Nxd6 Qxd6 21. Rfd1 Qe7 22. Ra4 Ne8 23. Rg4 Ndf6 24. Rg3 Nd6 25. Rc1 Kf8 26. Bc6 Nd7 27. Rh3 Kg8 28. Qc3 Nb8 29. d4 cxd4 30. Qb4 Nf5 31. exd4 Qxb4 0-1

[Event "Rhein Main op-B 19th"]
[Site "Bad Homburg"]
[Date "2016.05.26"]
[Round "3"]
[White "Koestler, Peter"]
[Black "Muehlpfordt, Thomas"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "1902"]
[BlackElo "1707"]
[PlyCount "125"]
[EventDate "2016.05.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 e6 4. Nf3 c5 5. c3 Nc6 6. Nbd2 Bd6 7. Ne5 0-0 8. Ndf3 Ne4 9. Bd3 f6 10. Nxc6 bxc6 11. Bxd6 Qxd6 12. 0-0 f5 13. Ne5 a5 14. Qe2 Qc7 15. f4 Qb6 16. Rf3 Ba6 17. Nd7 Bxd3 18. Qxd3 Qxb2 19. Rd1 Rfd8 20. Nxc5 Nxc5 21. dxc5 Qxa2 22. Qd4 Ra7 23. Qe5 Re7 24. Rf2 Qc4 25. Ra1 Qxc5 26. Rfa2 Ra8 27. h4 Kf7 28. Kh2 Rea7 29. Ra4 Qe7 30. Kg3 Qf6 31. Qd4 Qxd4 32. exd4 Ke7 33. Kf3 Kd6 34. Rb1 Kc7 35. Ke3 Rb7 36. Rba1 Rb5 37. R1a2 c5 38. c4 Rb3+ 39. Ke2 cxd4 40. cxd5 d3+ 41. Kd2 exd5 42. g3 Kb6 43. Rd4 Kc5 44. Rda4 d4 45. Rxa5+ Rxa5 46. Rxa5+ Kc4 47. Ra2 Kd5 48. Ra5+ Kc4 49. Ra2 g6 50. Ra4+ Kd5 51. Ra7 Ke4 52. Re7+ Kf3 53. Rxh7 Kxg3 54. Rg7 Kxf4 55. Rxg6 Ke5 56. h5 Rb2+ 57. Kxd3 Rh2 58. Rh6 f4 59. Rh8 Rh3+ 60. Kd2 f3 61. h6 Kf6 62. Rd8 Rxh6 63. Rxd4 1/2-1/2

[Event "Rhein Main op-B 19th"]
[Site "Bad Homburg"]
[Date "2016.05.26"]
[Round "2"]
[White "Pleyer, Christian"]
[Black "Koestler, Peter"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "1727"]
[BlackElo "1902"]
[PlyCount "41"]
[EventDate "2016.05.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. Bf4 e6 4. e3 c6 5. Be2 Bd6 6. Bxd6 Qxd6 7. Nbd2 Nbd7 8. 0-0 0-0 9. c4 b6 10. a3 c5 11. h3 Bb7 12. Rc1 Rfd8 13. Qb3 Ne4 14. Rfd1 Qe7 15. Qa4 cxd4 16. exd4 Qd6 17. b4 dxc4 18. Nxc4 Qd5 19. Ne3 Qd6 20. Qb3 Rac8 21. a4 1/2-1/2

[Event "Rhein Main op-B 19th"]
[Site "Bad Homburg"]
[Date "2016.05.25"]
[Round "1"]
[White "Koestler, Peter"]
[Black "Boerkey, Pierre"]
[Result "1-0"]
[ECO "A47"]
[WhiteElo "1902"]
[BlackElo "1432"]
[PlyCount "49"]
[EventDate "2016.05.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 e6 3. e3 b6 4. Nf3 Bb7 5. Nbd2 Nc6 6. h3 Be7 7. c3 0-0 8. Bd3 Rc8 9. 0-0 d6 10. Qe2 Na5 11. b4 Nc6 12. Rfd1 Nd5 13. Rac1 Nxf4 14. exf4 d5 15. Re1 Bd6 16. Bxh7+ Kxh7 17. Ng5+ Kg6 18. Qg4 Bxf4 19. Nxe6+ Qg5 20. Nxg5 Bxg5 21. f4 f6 22. fxg5 fxg5 23. Nf3 Rce8 24. Nxg5 Rxe1+ 25. Rxe1 1-0

[Event "Hessen-ch op-B"]
[Site "Floersheim"]
[Date "2016.05.08"]
[Round "7"]
[White "Koestler, Peter"]
[Black "Michel, Carsten"]
[Result "1/2-1/2"]
[ECO "A46"]
[WhiteElo "1902"]
[BlackElo "1644"]
[PlyCount "50"]
[EventDate "2016.05.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 e6 2. Nf3 Nf6 3. Bf4 c5 4. e3 cxd4 5. exd4 Qb6 6. Qc1 Nc6 7. c3 d5 8. Nbd2 Qd8 9. Bd3 Bd6 10. Ne5 Qc7 11. Bg3 Nxe5 12. dxe5 Bxe5 13. 0-0 Bxg3 14. hxg3 0-0 15. Re1 a6 16. Nf3 b5 17. a3 Bb7 18. Qd2 Nd7 19. Rad1 Rad8 20. Bb1 Nc5 21. Qe3 Ne4 22. Ng5 Nxg5 23. Qxg5 h6 24. Qh5 Qe7 25. Rd4 Qg5 1/2-1/2

[Event "Hessen-ch op-B"]
[Site "Floersheim"]
[Date "2016.05.07"]
[Round "5"]
[White "Vlajkov, Milenko"]
[Black "Koestler, Peter"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "1631"]
[BlackElo "1902"]
[PlyCount "84"]
[EventDate "2016.05.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e6 2. d4 c5 3. c3 d5 4. e5 Nc6 5. Nf3 Nge7 6. Na3 Ng6 7. Nc2 Be7 8. Bb5 0-0 9. 0-0 c4 10. Ne3 Bd7 11. Ba4 a6 12. Bc2 b5 13. h3 b4 14. Nh2 Nh8 15. f4 g6 16. g4 f5 17. exf6 Bxf6 18. f5 Bg5 19. fxg6 Nxg6 20. Nf3 Bh6 21. Bxg6 hxg6 22. Qe1 a5 23. Ng2 Bxc1 24. Qxc1 Kg7 25. Qe3 Qc7 26. Qg5 Qd8 27. Qe3 Qc7 28. Nfh4 Qd8 29. Qg3 Qe7 30. Rae1 Rxf1+ 31. Rxf1 Rf8 32. Nf4 Be8 33. Re1 Rxf4 34. Qxf4 Qxh4 35. Rxe6 Bd7 36. Qc7 Kh6 37. Qxd7 Qg3+ 38. Kf1 Qf3+ 39. Ke1 Qg3+ 40. Ke2 Qg2+ 41. Kd1 Qf1+ 42. Re1 Qd3+ 0-1

[Event "Hessen-ch op-B"]
[Site "Floersheim"]
[Date "2016.05.06"]
[Round "3"]
[White "Koestler, Peter"]
[Black "Wilke, Tabea"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "1902"]
[BlackElo "1739"]
[PlyCount "74"]
[EventDate "2016.05.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 e6 4. Nf3 c5 5. c3 Nc6 6. Nbd2 cxd4 7. exd4 Bd6 8. Bg3 0-0 9. Bd3 Ne7 10. 0-0 a5 11. Ne5 b6 12. Qe2 Bb7 13. f4 Qc8 14. Bh4 Nd7 15. Ndf3 Nf5 16. Be1 Nf6 17. g4 Ne7 18. Nd2 Ba6 19. g5 Bxd3 20. Qxd3 Nd7 21. Rf3 Bxe5 22. fxe5 Nf5 23. Rh3 Re8 24. Qf3 Nf8 25. Nf1 Ng6 26. Ne3 Nxe3 27. Qxe3 Ra7 28. Bd2 Qc7 29. Rf1 a4 30. a3 Qc4 31. Qf3 Qb3 32. Bc1 Qc2 33. Qh5 Nf8 34. Rhf3 Qg6 35. Qg4 Ree7 36. h4 h5 37. Qg2 Nh7 1/2-1/2

[Event "Hessen-ch op-B"]
[Site "Floersheim"]
[Date "2016.05.06"]
[Round "4"]
[White "Weiland, Thomas"]
[Black "Koestler, Peter"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "1763"]
[BlackElo "1902"]
[PlyCount "77"]
[EventDate "2016.05.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e6 2. d4 c5 3. Nf3 cxd4 4. Nxd4 Bc5 5. c3 Qb6 6. b4 Bxd4 7. Qxd4 Qxd4 8. cxd4 Nc6 9. Na3 a6 10. d5 exd5 11. exd5 Nxb4 12. Bb2 Nf6 13. Bxf6 gxf6 14. d6 0-0 15. Bc4 b5 16. Rb1 Nc6 17. Bd5 Bb7 18. Kd2 Rac8 19. Rhc1 Na5 20. Bxb7 Nxb7 21. Rc7 Rxc7 22. dxc7 Rc8 23. Rc1 Na5 24. Rc5 Nc6 25. Nc2 Kf8 26. Ne3 Ke7 27. Rh5 Ke6 28. f4 Rxc7 29. Rxh7 d5 30. g4 Nd4 31. Kd3 Nc6 32. a3 b4 33. axb4 Nxb4+ 34. Kd4 Nc6+ 35. Kd3 a5 36. Rh6 Nb4+ 37. Kd4 Nc6+ 38. Kc5 d4 39. Nd5 1-0

[Event "Hessen-ch op-B"]
[Site "Floersheim"]
[Date "2016.05.05"]
[Round "2"]
[White "Bethke, Robert"]
[Black "Koestler, Peter"]
[Result "1/2-1/2"]
[ECO "A27"]
[WhiteElo "1713"]
[BlackElo "1902"]
[PlyCount "43"]
[EventDate "2016.05.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Bc5 3. Nf3 d6 4. g3 Nc6 5. Bg2 Nge7 6. d3 0-0 7. a3 a5 8. Bd2 h6 9. 0-0 Be6 10. Ne4 Bb6 11. Nc3 Qd7 12. Re1 Bh3 13. Bh1 f5 14. Qc1 f4 15. Ne4 Qg4 16. b4 axb4 17. axb4 Rxa1 18. Qxa1 Nd4 19. c5 fxg3 20. hxg3 Rxf3 21. cxb6 cxb6 22. Qd1 1/2-1/2

[Event "Hessen-ch op-B"]
[Site "Floersheim"]
[Date "2016.05.05"]
[Round "1"]
[White "Koestler, Peter"]
[Black "Kaulbars, Pascal"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "1902"]
[BlackElo "1720"]
[PlyCount "46"]
[EventDate "2016.05.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 d5 3. e3 g6 4. Nf3 Bg7 5. Nbd2 0-0 6. h3 Re8 7. Ne5 Nfd7 8. Ndf3 f6 9. Nxd7 Nxd7 10. Be2 c6 11. c3 e5 12. Bg3 e4 13. Nd2 Nf8 14. 0-0 Ne6 15. c4 f5 16. Rc1 f4 17. Bh2 f3 18. gxf3 Ng5 19. f4 Nxh3+ 20. Kg2 Qd7 21. Bg3 g5 22. fxg5 Nxg5 23. Rh1 Qf5 1/2-1/2

[Event "Rhein Main op-B 18th"]
[Site "Bad Homburg"]
[Date "2015.06.07"]
[Round "7"]
[White "Jenisch, Achim"]
[Black "Koestler, Peter"]
[Result "1/2-1/2"]
[ECO "E11"]
[WhiteElo "1887"]
[BlackElo "1906"]
[PlyCount "40"]
[EventDate "2015.06.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 167 Extra"]
[Source "ChessBase"]
[SourceDate "2015.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2015.09.14"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. g3 c6 5. Bg2 Bb4+ 6. Bd2 Bxd2+ 7. Nbxd2 0-0 8. 0-0 Nbd7 9. Qc2 Qe7 10. Rfe1 b5 11. b3 Ba6 12. e4 dxe4 13. Nxe4 Nxe4 14. Qxe4 bxc4 15. Qxc6 Nb6 16. Ne5 Rac8 17. Qe4 Rc7 18. Bf1 Bb7 19. Qg4 Bd5 20. bxc4 Nxc4 1/2-1/2

[Event "Rhein Main op-B 18th"]
[Site "Bad Homburg"]
[Date "2015.06.06"]
[Round "5"]
[White "Axelsson, Thomas"]
[Black "Koestler, Peter"]
[Result "1/2-1/2"]
[ECO "B06"]
[WhiteElo "1769"]
[BlackElo "1906"]
[PlyCount "80"]
[EventDate "2015.06.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 167 Extra"]
[Source "ChessBase"]
[SourceDate "2015.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2015.09.14"]
[SourceQuality "1"]

1. e4 c6 2. d4 g6 3. Nf3 Bg7 4. Be3 d5 5. e5 Bg4 6. h3 Bxf3 7. Qxf3 e6 8. Bd3 Nd7 9. 0-0 h5 10. Nd2 Nh6 11. c4 Nf5 12. Rac1 Qb6 13. cxd5 cxd5 14. Bxf5 gxf5 15. Nb3 h4 16. Kh1 a5 17. Rc2 a4 18. Nc1 f6 19. Qe2 fxe5 20. dxe5 d4 21. Bf4 Kf7 22. Nd3 Nb8 23. Rfc1 Nc6 24. a3 Bf8 25. Bg5 Ra5 26. Bf6 Rh7 27. Qf3 Rd5 28. Rc4 Qb3 29. Qe2 Qb5 30. Qc2 Nxe5 31. Bxe5 Rxe5 32. Nxe5+ Qxe5 33. Rc7+ Kg6 34. Rxh7 Bd6 35. Kg1 Kxh7 36. Kf1 Qb5+ 37. Qe2 d3 38. Qh5+ Kg7 39. Qg5+ Kf7 40. Qh5+ Kg7 1/2-1/2

[Event "Rhein Main op-B 18th"]
[Site "Bad Homburg"]
[Date "2015.06.06"]
[Round "6"]
[White "Koestler, Peter"]
[Black "Flach, Helene"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1906"]
[BlackElo "1702"]
[PlyCount "39"]
[EventDate "2015.06.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 167 Extra"]
[Source "ChessBase"]
[SourceDate "2015.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2015.09.14"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Bf5 3. Nf3 e6 4. e3 c5 5. c3 Nf6 6. Bxb8 Qxb8 7. Bb5+ Nd7 8. Ne5 Ke7 9. Nxd7 Qc7 10. Nxc5 e5 11. 0-0 f6 12. Bd3 e4 13. Be2 Kf7 14. Qb3 Be6 15. Nxe6 Kxe6 16. c4 dxc4 17. Bxc4+ Kf5 18. Be6+ Kg6 19. Nc3 Qc6 20. Bd5 1-0

[Event "Rhein Main op-B 18th"]
[Site "Bad Homburg"]
[Date "2015.06.05"]
[Round "4"]
[White "Koestler, Peter"]
[Black "Hapke, Yvonne"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "1906"]
[BlackElo "1805"]
[PlyCount "34"]
[EventDate "2015.06.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 167 Extra"]
[Source "ChessBase"]
[SourceDate "2015.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2015.09.14"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. Nf3 Bg4 4. e3 e6 5. c3 Bd6 6. Bg3 0-0 7. Nbd2 c5 8. Qb3 b6 9. dxc5 Bxc5 10. Ne5 Bf5 11. Be2 Nbd7 12. Ndf3 Ne4 13. Bh4 f6 14. Nc6 Qe8 15. Ncd4 Bg4 16. Qc2 Rc8 17. 0-0 Bd6 1/2-1/2

[Event "Rhein Main op-B 18th"]
[Site "Bad Homburg"]
[Date "2015.06.04"]
[Round "3"]
[White "Jordake, Michael"]
[Black "Koestler, Peter"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1793"]
[BlackElo "1906"]
[PlyCount "84"]
[EventDate "2015.06.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 167 Extra"]
[Source "ChessBase"]
[SourceDate "2015.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2015.09.14"]
[SourceQuality "1"]

1. Nc3 d5 2. e4 d4 3. Nce2 c5 4. Ng3 Nc6 5. Bc4 e6 6. Nf3 Bd6 7. 0-0 Nge7 8. Re1 Qc7 9. b3 0-0 10. Bb2 Ng6 11. c3 Nge5 12. Nxe5 Bxe5 13. Qh5 g6 14. Qe2 a6 15. Bd3 b5 16. Rac1 Qd6 17. a3 Bb7 18. Bb1 Rfd8 19. Nf1 Na5 20. Ba2 d3 21. Qg4 c4 22. b4 Nc6 23. g3 f5 24. Qh4 f4 25. gxf4 Bxf4 26. Ne3 g5 27. Qh3 Ne5 28. Ng2 g4 29. Qh5 Ng6 30. Qxg4 Bxd2 31. Red1 Bxc1 32. Bxc1 Kh8 33. Bh6 Qe5 34. f3 Rg8 35. Kh1 Rae8 36. Qg3 Qxg3 37. hxg3 Ne5 38. Bf4 Nxf3 39. a4 e5 40. Ne1 Nxe1 41. Rxe1 exf4 42. gxf4 Bxe4+ 0-1

[Event "Rhein Main op-B 18th"]
[Site "Bad Homburg"]
[Date "2015.06.04"]
[Round "2"]
[White "Koestler, Peter"]
[Black "Lehmann, Tim"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1906"]
[BlackElo "1536"]
[PlyCount "79"]
[EventDate "2015.06.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 167 Extra"]
[Source "ChessBase"]
[SourceDate "2015.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2015.09.14"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 e6 4. e3 c5 5. c3 Nc6 6. Nbd2 Qb6 7. Qb3 Qxb3 8. axb3 cxd4 9. exd4 Bd7 10. Bd3 Be7 11. 0-0 0-0 12. h3 h6 13. b4 Rfc8 14. Ra2 Bd8 15. Nb3 b6 16. Ba6 Ne7 17. Ne5 Be8 18. Bxc8 Nxc8 19. Nd2 Bb5 20. Rc1 Nh5 21. Bh2 Bg5 22. Nef3 Nf4 23. Bxf4 Bxf4 24. b3 Bd6 25. c4 dxc4 26. bxc4 Bd7 27. c5 bxc5 28. dxc5 Bc7 29. Rb1 Bb5 30. Nd4 Bd3 31. Rb3 Bh7 32. b5 Rb8 33. f3 Be5 34. Nc6 Bg3 35. Nxb8 Bxb8 36. b6 Be5 37. b7 Bd4+ 38. Kf1 Bd3+ 39. Rxd3 Bg1 40. bxc8Q+ 1-0

[Event "Rhein Main op-B 18th"]
[Site "Bad Homburg"]
[Date "2015.06.03"]
[Round "1"]
[White "Tsiapouris, Alexander"]
[Black "Koestler, Peter"]
[Result "1/2-1/2"]
[ECO "A52"]
[WhiteElo "1630"]
[BlackElo "1906"]
[PlyCount "125"]
[EventDate "2015.06.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 167 Extra"]
[Source "ChessBase"]
[SourceDate "2015.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2015.09.14"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Nf3 Bc5 5. e3 Nc6 6. b3 Ngxe5 7. Nxe5 Nxe5 8. Bb2 Qe7 9. Be2 0-0 10. 0-0 d6 11. Nc3 c6 12. Ne4 Bf5 13. Nxc5 dxc5 14. Qd2 Rad8 15. Qc3 f6 16. Rad1 Nf7 17. Rxd8 Rxd8 18. Rd1 Rxd1+ 19. Bxd1 Qd6 20. Bc2 b5 21. cxb5 cxb5 22. h3 Bxc2 23. Qxc2 Ne5 24. Ba3 b4 25. Bc1 c4 26. bxc4 Qc5 27. Bb2 Qxc4 28. Qxc4+ Nxc4 29. Bd4 a5 30. Kf1 a4 31. Ke2 b3 32. axb3 axb3 33. Kd3 b2 34. Kc2 b1Q+ 35. Kxb1 Nd2+ 36. Kc2 Ne4 37. f3 Ng3 38. Kd3 Kf7 39. e4 g5 40. Ke3 Nh5 41. Kf2 Nf4 42. Be3 Ng6 43. Kg3 Ne5 44. f4 Nc4 45. Bc1 gxf4+ 46. Kxf4 Kg6 47. g4 Ne5 48. Bd2 Nd3+ 49. Kg3 Nc5 50. Kf3 Nd3 51. Bc3 Nc5 52. h4 Ne6 53. h5+ Kf7 54. e5 fxe5 55. Bxe5 Kg8 56. Ke4 Kf7 57. Kf5 Nc5 58. g5 Nd3 59. Bd4 Nb4 60. h6 Nd5 61. Bf6 Nc7 62. g6+ hxg6+ 63. Ke5 1/2-1/2

[Event "Karl Mala Memorial op-A 16th"]
[Site "Frankfurt"]
[Date "2013.07.14"]
[Round "7"]
[White "Heck, Norbert"]
[Black "Koestler, Peter"]
[Result "1-0"]
[ECO "A34"]
[WhiteElo "2282"]
[BlackElo "1919"]
[PlyCount "107"]
[EventDate "2013.07.11"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 c5 3. g3 Nc6 4. Bg2 d6 5. Nc3 Bf5 6. d3 Qd7 7. h3 a6 8. e4 Bg6 9. 0-0 e6 10. Be3 Be7 11. a3 0-0 12. Rb1 Rad8 13. b4 cxb4 14. axb4 d5 15. b5 axb5 16. cxb5 dxe4 17. dxe4 Nb4 18. Qxd7 Rxd7 19. Ne5 Rc7 20. Nxg6 hxg6 21. Na4 Ra8 22. Nb6 Ra5 23. Rfc1 Rxc1+ 24. Rxc1 Rxb5 25. Nc8 Bf8 26. Na7 Ra5 27. Rc8 Nc6 28. Nxc6 bxc6 29. Bb6 Ra1+ 30. Kh2 Nd7 31. Bc7 Kh7 32. e5 Bc5 33. Bxc6 Nb6 34. Rb8 Nc4 35. Bb5 Nd2 36. Kg2 Ra2 37. Bd6 Bd4 38. Rf8 Ne4 39. Rxf7 Nxf2 40. Bc4 Rc2 41. Bxe6 Ng4+ 42. Kf3 Nxe5+ 43. Bxe5 Bxe5 44. g4 Rc3+ 45. Ke4 Bf6 46. h4 Bxh4 47. Rf1 g5 48. Rf7 Bg3 49. Rd7 Rc7 50. Rd3 Bh4 51. Ke5 Re7 52. Rd8 Bg3+ 53. Kf5 Be1 54. Bg8+ 1-0

[Event "Karl Mala Memorial op-A 16th"]
[Site "Frankfurt"]
[Date "2013.07.14"]
[Round "6"]
[White "Koestler, Peter"]
[Black "Roehlich, Philipp"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1919"]
[BlackElo "1794"]
[PlyCount "81"]
[EventDate "2013.07.11"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. Nf3 e6 4. e3 c5 5. c3 Nbd7 6. Nbd2 Be7 7. h3 0-0 8. Bd3 b6 9. 0-0 Bb7 10. Ne5 cxd4 11. exd4 Nxe5 12. Bxe5 Nd7 13. Bg3 Bf6 14. f4 g6 15. Nf3 Bg7 16. Qe2 a6 17. Rae1 b5 18. Bh4 Qb6 19. Ne5 Nxe5 20. fxe5 b4 21. Be7 bxc3 22. bxc3 Rfe8 23. Bd6 Rad8 24. Rb1 Qc6 25. Bc5 Ra8 26. Rb6 Qc7 27. Rfb1 Bc8 28. Bxa6 Bxa6 29. Rxa6 Rxa6 30. Qxa6 Bxe5 31. Bb6 Bh2+ 32. Kh1 Qf4 33. Bc5 Bg3 34. Qd3 Rd8 35. a3 h5 36. Rf1 Qc7 37. Qf3 Rb8 38. Qf6 h4 39. Be7 Rf8 40. Qg5 Qc4 41. Qf6 1-0

[Event "Karl Mala Memorial op-A 16th"]
[Site "Frankfurt"]
[Date "2013.07.13"]
[Round "4"]
[White "Koestler, Peter"]
[Black "Werner, Dimo"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "1919"]
[BlackElo "2146"]
[PlyCount "97"]
[EventDate "2013.07.11"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 e6 3. e3 Bd6 4. Nf3 Nf6 5. Ne5 0-0 6. Nd2 c5 7. c3 Nc6 8. Ndf3 Ne4 9. Bd3 cxd4 10. Nxc6 bxc6 11. Bxd6 Qxd6 12. exd4 c5 13. 0-0 Ba6 14. dxc5 Nxc5 15. Bxa6 Qxa6 16. Qc2 h6 17. Rfe1 Rab8 18. Re3 Qa4 19. Qc1 Qf4 20. Ne5 Rfc8 21. Rb1 Ne4 22. Nd3 Qg5 23. Qe1 Rb6 24. Re2 Qf6 25. f3 Nd6 26. Ne5 Qd8 27. Rd1 Qc7 28. Qg3 Nf5 29. Qf2 Rb7 30. g4 Nd6 31. Kh1 Nc4 32. Nxc4 Qxc4 33. a3 Qc5 34. Qg3 Qc7 35. Qg2 Qf4 36. Rd4 Qxd4 37. cxd4 Rc1+ 38. Qg1 Rxg1+ 39. Kxg1 Rb3 40. Kf2 Rd3 41. Rc2 Rxd4 42. Ke3 Ra4 43. Rc8+ Kh7 44. h4 Kg6 45. Rc7 Kf6 46. Rd7 g5 47. h5 Kg7 48. Rc7 Kf6 49. Rd7 1/2-1/2

[Event "Karl Mala Memorial op-A 16th"]
[Site "Frankfurt"]
[Date "2013.07.13"]
[Round "5"]
[White "Kolker, Vladislav"]
[Black "Koestler, Peter"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2056"]
[BlackElo "1919"]
[PlyCount "33"]
[EventDate "2013.07.11"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Bc4 Bf5 6. Nf3 e6 7. Qe2 Nbd7 8. d5 0-0-0 9. dxe6 fxe6 10. Bd2 Bb4 11. 0-0-0 Rhe8 12. a3 Bxc3 13. Bxc3 Qb6 14. Rhe1 a6 15. h3 Be4 16. Ng5 Bd5 17. Nf7 1-0

[Event "Karl Mala Memorial op-A 16th"]
[Site "Frankfurt"]
[Date "2013.07.12"]
[Round "3"]
[White "Guth, Susanne"]
[Black "Koestler, Peter"]
[Result "0-1"]
[ECO "D03"]
[WhiteElo "1731"]
[BlackElo "1919"]
[PlyCount "64"]
[EventDate "2013.07.11"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. Bg5 e6 4. e3 Nbd7 5. Nbd2 c5 6. c3 Qb6 7. Qb3 c4 8. Qxb6 axb6 9. Be2 Bd6 10. 0-0 0-0 11. b3 b5 12. bxc4 bxc4 13. Rfb1 Ra3 14. Rc1 b5 15. Rc2 Nb6 16. Nb1 Ra5 17. Nfd2 Bd7 18. f3 Rfa8 19. e4 Bf8 20. Bf4 Ne8 21. Nf1 Bc6 22. e5 Nc7 23. Bd2 Be8 24. Ne3 f6 25. Bd1 Bg6 26. Rb2 Bxb1 27. Raxb1 Rxa2 28. Nc2 fxe5 29. dxe5 Nd7 30. f4 Nc5 31. Nd4 Rxb2 32. Rxb2 Ra1 0-1

[Event "Karl Mala Memorial op-A 16th"]
[Site "Frankfurt"]
[Date "2013.07.12"]
[Round "2"]
[White "Koestler, Peter"]
[Black "Tampe, Alexander"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "1919"]
[BlackElo "1699"]
[PlyCount "86"]
[EventDate "2013.07.11"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Bf5 3. Nf3 e6 4. e3 c5 5. c3 c4 6. Nbd2 Nf6 7. h3 Be7 8. Be2 0-0 9. 0-0 Nbd7 10. Ne5 h6 11. b4 b5 12. a4 a6 13. axb5 axb5 14. Nc6 Rxa1 15. Qxa1 Qe8 16. Qa6 Ne4 17. Nxe4 Bxe4 18. Nxe7+ Qxe7 19. Ra1 e5 20. dxe5 Rb8 21. e6 Rb6 22. Qc8+ Nf8 23. exf7+ Qxf7 24. Ra6 Qg6 25. f3 Rxa6 26. fxe4 dxe4 27. Bg4 Ra2 28. Qb7 Qe8 29. Qd5+ Kh8 30. Be5 Ng6 31. Bg3 Ra7 32. Bh5 Re7 33. Qf5 Kh7 34. Bd6 Re6 35. Bc5 Re5 36. Bxg6+ Qxg6 37. Qxe5 Qc6 38. Bd4 Qb7 39. h4 Kg8 40. h5 Kh7 41. Qc5 Qd7 42. Kh2 Qg4 43. Qe5 Qh4+ 1/2-1/2

[Event "Karl Mala Memorial op-A 16th"]
[Site "Frankfurt"]
[Date "2013.07.11"]
[Round "1"]
[White "Plueg, Andreas"]
[Black "Koestler, Peter"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2300"]
[BlackElo "1919"]
[PlyCount "45"]
[EventDate "2013.07.11"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. c3 e6 4. Bg5 Nbd7 5. Nbd2 c6 6. e4 dxe4 7. Nxe4 Be7 8. Ng3 h6 9. Bd2 c5 10. Bd3 0-0 11. Qe2 a6 12. 0-0 b6 13. Rfe1 Bb7 14. Rad1 Re8 15. Ne5 Nf8 16. Nh5 Qd5 17. Nf4 Qd6 18. Be3 Qc7 19. Nh5 Nxh5 20. Qxh5 Bf6 21. Ng4 cxd4 22. Nxf6+ gxf6 23. Bxh6 1-0

[Event "Rhein Main op-B 16th"]
[Site "Bad Homburg"]
[Date "2013.06.02"]
[Round "7"]
[White "Neuhoff, Ulrich"]
[Black "Koestler, Peter"]
[Result "1/2-1/2"]
[ECO "A21"]
[WhiteElo "1795"]
[BlackElo "1919"]
[PlyCount "25"]
[EventDate "2013.05.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. c4 e5 2. g3 Bc5 3. Nc3 d6 4. Bg2 Ne7 5. a3 a5 6. e3 Nbc6 7. Nge2 Bg4 8. 0-0 0-0 9. Qb3 Rb8 10. Kh1 Qd7 11. Re1 Kh8 12. Nb5 Bb6 13. Nec3 1/2-1/2

[Event "Rhein Main op-B 16th"]
[Site "Bad Homburg"]
[Date "2013.06.01"]
[Round "5"]
[White "Berkes, Alexander"]
[Black "Koestler, Peter"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "1826"]
[BlackElo "1919"]
[PlyCount "56"]
[EventDate "2013.05.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. Bc4 Nf6 5. Nge2 c6 6. Ng3 Bg4 7. f3 Bh5 8. Qe2 Nbd7 9. 0-0 Bg6 10. f4 Bh5 11. Nxh5 Qxh5 12. Qxh5 Nxh5 13. g4 Nhf6 14. g5 Nb6 15. Bb3 Nfd5 16. Nxd5 Nxd5 17. d3 0-0-0 18. f5 e6 19. fxe6 fxe6 20. Bf4 Be7 21. h4 h6 22. gxh6 Nxf4 23. Rxf4 Rxh6 24. Re1 Rg6+ 25. Kf1 e5 26. Rxe5 Bd6 27. Re6 Bxf4 28. Rxg6 Be5 1/2-1/2

[Event "Rhein Main op-B 16th"]
[Site "Bad Homburg"]
[Date "2013.06.01"]
[Round "6"]
[White "Koestler, Peter"]
[Black "Heiler, Karl"]
[Result "1/2-1/2"]
[ECO "D13"]
[WhiteElo "1919"]
[BlackElo "1806"]
[PlyCount "42"]
[EventDate "2013.05.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 c5 2. c3 cxd4 3. cxd4 d5 4. Bf4 Nc6 5. e3 Nf6 6. Nc3 a6 7. Nf3 e6 8. a3 Bd6 9. Bg3 0-0 10. Bd3 b5 11. b4 Bb7 12. 0-0 Bxg3 13. hxg3 Re8 14. Qb3 Qd6 15. Rfd1 Rac8 16. Rab1 e5 17. dxe5 Nxe5 18. Be2 Qc6 19. Na2 Qc2 20. Nd4 Qxb3 21. Rxb3 Ne4 1/2-1/2

[Event "Rhein Main op-B 16th"]
[Site "Bad Homburg"]
[Date "2013.05.31"]
[Round "4"]
[White "Koestler, Peter"]
[Black "Wolf, Gabriel"]
[Result "1-0"]
[ECO "A48"]
[WhiteElo "1919"]
[BlackElo "1862"]
[PlyCount "75"]
[EventDate "2013.05.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 g6 3. e3 Bg7 4. Nf3 0-0 5. c3 b6 6. Bc4 Bb7 7. Nbd2 d5 8. Bb3 c5 9. h3 Nc6 10. 0-0 c4 11. Bc2 b5 12. Ne5 Nd7 13. Nxc6 Bxc6 14. Nf3 a5 15. a3 Qb6 16. Re1 Qb7 17. Qe2 Rfe8 18. Ne5 Nxe5 19. dxe5 e6 20. Bg3 f6 21. exf6 Bxf6 22. e4 d4 23. cxd4 Bxd4 24. Rab1 e5 25. Kh2 Rf8 26. f3 c3 27. bxc3 Bxc3 28. Rec1 Bd4 29. Qd2 Kh8 30. Qg5 Qg7 31. Bb3 Be8 32. Rd1 h6 33. Qc1 Rf6 34. Bd5 Rd8 35. Rxd4 exd4 36. Be5 Qe7 37. Bxf6+ Qxf6 38. Qxh6# 1-0

[Event "Rhein Main op-B 16th"]
[Site "Bad Homburg"]
[Date "2013.05.30"]
[Round "2"]
[White "Koestler, Peter"]
[Black "Bomert, Tobias"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1919"]
[BlackElo "1305"]
[PlyCount "61"]
[EventDate "2013.05.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 c6 3. c3 Nf6 4. Bf4 Nbd7 5. e3 Nh5 6. Bg5 h6 7. Bh4 Qb6 8. Qb3 Qxb3 9. axb3 g5 10. Bg3 Nxg3 11. hxg3 Bg7 12. b4 e5 13. Be2 f5 14. b5 c5 15. dxe5 Nxe5 16. b6 a5 17. Na3 Ke7 18. Nb5 Ra6 19. Nc7 Kd6 20. Nxa6 bxa6 21. Rxa5 c4 22. Nd4 Nc6 23. Nxc6 Kxc6 24. Bf3 Kxb6 25. Rxd5 g4 26. Be2 Bb7 27. Rxf5 Bxg2 28. Rhh5 Be4 29. Rf4 Bg6 30. Rd5 Rc8 31. Rd6+ 1-0

[Event "Rhein Main op-B 16th"]
[Site "Bad Homburg"]
[Date "2013.05.30"]
[Round "3"]
[White "Koller, Wolfgang"]
[Black "Koestler, Peter"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1643"]
[BlackElo "1919"]
[PlyCount "72"]
[EventDate "2013.05.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Nf3 Bg4 6. h3 Bh5 7. Bd2 c6 8. Ne4 Qc7 9. Nxf6+ gxf6 10. Be2 Nd7 11. Be3 e6 12. Qd2 0-0-0 13. 0-0-0 Bg6 14. Qc3 Nb6 15. Rhe1 Nd5 16. Qb3 h5 17. Nh4 Be4 18. Bf3 f5 19. c4 Nxe3 20. Rxe3 Bh6 21. Be2 Qf4 22. Nf3 Bxf3 23. Bxf3 Qc7 24. Kb1 Bxe3 25. fxe3 Kb8 26. Qc2 h4 27. Rc1 f4 28. Qe2 fxe3 29. Qxe3 Rhe8 30. Qc3 Qb6 31. d5 exd5 32. cxd5 cxd5 33. Qd2 Qd6 34. Qd4 Qg6+ 35. Ka1 Qg5 36. a3 Qxc1+ 0-1

[Event "Rhein Main op-B 16th"]
[Site "Bad Homburg"]
[Date "2013.05.29"]
[Round "1"]
[White "Wulf, Guenter"]
[Black "Koestler, Peter"]
[Result "1/2-1/2"]
[ECO "B15"]
[WhiteElo "1563"]
[BlackElo "1919"]
[PlyCount "54"]
[EventDate "2013.05.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. Nf3 c6 2. e4 g6 3. Nc3 Bg7 4. d4 d5 5. e5 Bg4 6. h3 Bxf3 7. Qxf3 e6 8. Bd3 Nd7 9. Be3 Ne7 10. Ne2 c5 11. c3 Nc6 12. 0-0 0-0 13. Ng3 a6 14. Qd1 Qh4 15. Qd2 cxd4 16. cxd4 h6 17. Bc2 Rac8 18. Rac1 Ne7 19. Ne2 Nf5 20. g3 Qe7 21. Bxf5 gxf5 22. Bxh6 Kh8 23. Bxg7+ Kxg7 24. Nf4 Rc4 25. h4 Rfc8 26. b3 R4c6 27. Kg2 Kh7 1/2-1/2

[Event "Karl Mala Memorial op 15th"]
[Site "Frankfurt"]
[Date "2012.07.08"]
[Round "7"]
[White "Busch, Silvan"]
[Black "Koestler, Peter"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "1446"]
[BlackElo "1932"]
[PlyCount "84"]
[EventDate "2012.07.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. e4 c6 2. d4 h6 3. Nf3 d5 4. Nc3 dxe4 5. Nxe4 Nf6 6. Nxf6+ gxf6 7. Bf4 Bg4 8. Be2 e6 9. Qd2 Nd7 10. 0-0 Qe7 11. c4 Nb6 12. c5 Nd5 13. Bd6 Qd7 14. Bxf8 Kxf8 15. h3 Bxf3 16. Bxf3 Ne7 17. Rad1 Rd8 18. Qc3 Nd5 19. Bxd5 Qxd5 20. b3 Rg8 21. g3 h5 22. Qe3 Ke7 23. Kh2 Qg5 24. Qxg5 Rxg5 25. f4 Rgd5 26. Rf2 Rxd4 27. Rxd4 Rxd4 28. Rc2 f5 29. h4 f6 30. Kg2 e5 31. Re2 Ke6 32. Kf3 Kd5 33. fxe5 fxe5 34. Re3 f4 35. gxf4 Rxf4+ 36. Kg3 Rg4+ 37. Kh3 e4 38. Rg3 Rxg3+ 39. Kxg3 Kxc5 40. Kf2 Kd4 41. Ke2 c5 42. Kd2 b5 0-1

[Event "Karl Mala Memorial op 15th"]
[Site "Frankfurt"]
[Date "2012.07.08"]
[Round "6"]
[White "Koestler, Peter"]
[Black "Budde, Michael"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1932"]
[BlackElo "1638"]
[PlyCount "58"]
[EventDate "2012.07.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 Bg4 4. e3 e6 5. c3 Nbd7 6. Nbd2 Be7 7. Bd3 c5 8. h3 Bh5 9. 0-0 0-0 10. b3 cxd4 11. exd4 Rc8 12. c4 b6 13. Qe1 Ne8 14. c5 bxc5 15. Bb5 Nd6 16. Be2 cxd4 17. Bxd6 Bxd6 18. Nxd4 Bxe2 19. Qxe2 Be5 20. N2f3 Bf6 21. Rac1 Qb6 22. Qd2 Nc5 23. Ne2 Ne4 24. Qd3 Rxc1 25. Nxc1 Rc8 26. Ne2 Qa5 27. Qb1 Nd2 28. Nxd2 Qxd2 29. Nc1 Rc2 0-1

[Event "Karl Mala Memorial op 15th"]
[Site "Frankfurt"]
[Date "2012.07.07"]
[Round "5"]
[White "Fischer, Alexander"]
[Black "Koestler, Peter"]
[Result "1/2-1/2"]
[ECO "A52"]
[WhiteElo "1971"]
[BlackElo "1932"]
[PlyCount "56"]
[EventDate "2012.07.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Nf3 Bc5 5. e3 Nc6 6. Nc3 Ngxe5 7. Nxe5 Nxe5 8. Be2 d6 9. 0-0 0-0 10. b3 a6 11. Bb2 Re8 12. Rc1 Bd7 13. Kh1 Qh4 14. Nd5 Rac8 15. g3 Qh3 16. Nf4 Qf5 17. Kg1 c6 18. Qc2 Qxc2 19. Rxc2 Rcd8 20. Bc3 Bf5 21. Rb2 Be4 22. b4 Ba7 23. Bd4 Bxd4 24. exd4 Nf3+ 25. Bxf3 Bxf3 26. Rb3 Be2 27. Rc1 g5 28. Ng2 Re4 1/2-1/2

[Event "Karl Mala Memorial op 15th"]
[Site "Frankfurt"]
[Date "2012.07.07"]
[Round "4"]
[White "Koestler, Peter"]
[Black "Busch, Lorenz"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1932"]
[BlackElo "2112"]
[PlyCount "56"]
[EventDate "2012.07.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 c5 4. c3 Nc6 5. e3 Qb6 6. Qb3 c4 7. Qxb6 axb6 8. Be2 b5 9. Ne5 Bf5 10. Nd2 h6 11. 0-0 e6 12. a3 Nd7 13. Nxd7 Kxd7 14. f3 g5 15. Bg3 Bg6 16. Rac1 Bg7 17. f4 Ne7 18. Bd1 Nf5 19. Re1 b4 20. axb4 Ra2 21. Nf3 g4 22. Ne5+ Bxe5 23. fxe5 h5 24. b3 Nxg3 25. hxg3 Be4 26. bxc4 Rxg2+ 27. Kf1 dxc4 28. Ra1 h4 0-1

[Event "Karl Mala Memorial op 15th"]
[Site "Frankfurt"]
[Date "2012.07.06"]
[Round "3"]
[White "Fuchs Bischoff, Klaus Dieter"]
[Black "Koestler, Peter"]
[Result "0-1"]
[ECO "E61"]
[WhiteElo "1631"]
[BlackElo "1932"]
[PlyCount "90"]
[EventDate "2012.07.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 g6 3. c4 Bg7 4. Nc3 d6 5. h3 Nbd7 6. Qb3 0-0 7. Bf4 Qe8 8. e3 c6 9. Be2 b6 10. 0-0 e5 11. Bh2 Qe7 12. dxe5 dxe5 13. Rad1 Nc5 14. Qc2 Bf5 15. Qc1 Nfd7 16. Nd2 Rad8 17. e4 Be6 18. Rfe1 Bh6 19. f3 Qg5 20. f4 exf4 21. Nf3 Qf6 22. Rd6 Ne5 23. Red1 Rxd6 24. Rxd6 Rc8 25. b3 Kg7 26. Qd2 Nb7 27. Nxe5 Qxe5 28. Qd4 Kf6 29. Qxe5+ Kxe5 30. Rd1 Rd8 31. Rxd8 Nxd8 32. Bf3 Kd4 33. Ne2+ Ke3 34. Kf1 g5 35. Ke1 Kd3 36. Kd1 Bd7 37. Bg1 Ne6 38. Nc1+ Kc3 39. Bf2 Bg7 40. Be1+ Kb2 41. Bg4 Bd4 42. Ne2 Bg7 43. Nc1 Nc5 44. Bf3 Ka3 45. Kc2 f5 0-1

[Event "Karl Mala Memorial op 15th"]
[Site "Frankfurt"]
[Date "2012.07.06"]
[Round "2"]
[White "Koestler, Peter"]
[Black "Langer, Christian"]
[Result "0-1"]
[ECO "A46"]
[WhiteElo "1932"]
[BlackElo "2133"]
[PlyCount "100"]
[EventDate "2012.07.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. d4 d6 2. Nf3 Nf6 3. Bf4 h6 4. e3 g5 5. Bg3 c6 6. c3 Qb6 7. Qb3 Be6 8. c4 Nh5 9. Nc3 Bg7 10. Bd3 Qxb3 11. axb3 Na6 12. Be2 Nb4 13. 0-0 Nxg3 14. hxg3 0-0 15. Ne1 Bf5 16. g4 Bd7 17. Na2 Nxa2 18. Rxa2 e5 19. Nc2 exd4 20. Nxd4 Bxd4 21. exd4 Rfe8 22. Bf3 f5 23. gxf5 Bxf5 24. Rfa1 a6 25. g4 Bc2 26. Ra3 Be4 27. Be2 c5 28. Rd1 Bc6 29. Kf1 Bg2+ 30. Kxg2 Rxe2 31. dxc5 dxc5 32. Rd3 Rf8 33. Rf3 Rxb2 34. Rxf8+ Kxf8 35. Kf3 Kf7 36. Ke3 Ke6 37. f4 gxf4+ 38. Kxf4 Rf2+ 39. Ke3 Rh2 40. Kf4 Rf2+ 41. Ke3 Rb2 42. Ke4 Rd2 43. Ra5 Rd4+ 44. Kf3 Kd6 45. Ra3 Ke5 46. Ra5 Rd3+ 47. Ke2 Rxb3 48. Rxc5+ Kd4 49. Rh5 Rb6 50. c5 Rc6 0-1

[Event "Karl Mala Memorial op 15th"]
[Site "Frankfurt"]
[Date "2012.07.05"]
[Round "1"]
[White "Muckle, Richard"]
[Black "Koestler, Peter"]
[Result "0-1"]
[ECO "A46"]
[WhiteElo "1174"]
[BlackElo "1932"]
[PlyCount "64"]
[EventDate "2012.07.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bg5 c5 4. c3 Nc6 5. e3 Be7 6. dxc5 Bxc5 7. Be2 0-0 8. 0-0 d5 9. Nbd2 h6 10. Bxf6 Qxf6 11. Nb3 Bb6 12. Nfd4 e5 13. Nxc6 bxc6 14. Bg4 Qh4 15. Bxc8 Raxc8 16. Qf3 f5 17. Qg3 Qf6 18. Qf3 Bc7 19. Qe2 Qg5 20. Nc5 Qe7 21. Nb3 Rce8 22. Rad1 Qg5 23. Qa6 Bb6 24. Qb7 Re6 25. Qd7 Rg6 26. g3 f4 27. Kg2 Qh5 28. exf4 exf4 29. Qe7 f3+ 30. Kg1 Qh3 31. Qxf8+ Kxf8 32. Kh1 Qg2# 0-1

[Event "Rhein Main op-B 15th"]
[Site "Bad Homburg"]
[Date "2012.06.10"]
[Round "7"]
[White "Koestler, Peter"]
[Black "Schenk, Thomas"]
[Result "1/2-1/2"]
[ECO "A48"]
[WhiteElo "1917"]
[BlackElo "1429"]
[PlyCount "148"]
[EventDate "2012.06.06"]
[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. Nf3 g6 3. Bf4 Bg7 4. e3 0-0 5. Bc4 d6 6. h3 c5 7. c3 cxd4 8. exd4 Nbd7 9. 0-0 b6 10. Re1 Bb7 11. Nbd2 Re8 12. Qb3 d5 13. Bb5 a6 14. Bd3 a5 15. Bb5 e6 16. Bg5 Re7 17. Ne5 h6 18. Bh4 g5 19. Bg3 Nxe5 20. Bxe5 Ne4 21. Bxg7 Nxd2 22. Qd1 Kxg7 23. Qxd2 Ba6 24. Ba4 Qd6 25. Bc2 Rae8 26. Rad1 Kg8 27. Bb1 e5 28. dxe5 Rxe5 29. Rxe5 Rxe5 30. Bd3 Bxd3 31. Qxd3 Qe6 32. Kf1 Qc6 33. b3 a4 34. Qd4 Re4 35. Qxd5 Qxd5 36. Rxd5 axb3 37. axb3 Re6 38. Rb5 Kf8 39. c4 Ke7 40. f3 f6 41. Kf2 h5 42. Kg3 Kf7 43. h4 Kg6 44. hxg5 fxg5 45. b4 Kf6 46. c5 bxc5 47. bxc5 Re2 48. Rb6+ Kf5 49. Rc6 Rc2 50. Rc8 h4+ 51. Kh3 Rc1 52. Kh2 Kf6 53. c6 Kg7 54. Kh3 Rc4 55. c7 Kh7 56. Re8 Rxc7 57. Kg4 Rc2 58. Kxg5 Rxg2+ 59. Kxh4 Kg7 60. Re4 Kf6 61. Rf4+ Ke5 62. Rg4 Rf2 63. Kg3 Rf1 64. Rg5+ Kf6 65. Ra5 Rb1 66. Kg4 Rb6 67. f4 Rc6 68. Rh5 Kg6 69. f5+ Kg7 70. Kf4 Rc4+ 71. Kg5 Rc1 72. f6+ Kf7 73. Rh7+ Kg8 74. f7+ Kf8 1/2-1/2

[Event "Rhein Main op-B 15th"]
[Site "Bad Homburg"]
[Date "2012.06.09"]
[Round "5"]
[White "Koestler, Peter"]
[Black "Thoene, Ruediger"]
[Result "1/2-1/2"]
[ECO "A48"]
[WhiteElo "1917"]
[BlackElo "1995"]
[PlyCount "77"]
[EventDate "2012.06.06"]
[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. Nf3 g6 3. Bf4 Bg7 4. e3 d6 5. h3 0-0 6. c3 Nfd7 7. Bc4 Nc6 8. Bb5 a6 9. Bxc6 bxc6 10. 0-0 Rb8 11. Qc2 c5 12. Nbd2 cxd4 13. exd4 Nf6 14. Nb3 Nd5 15. Bg3 Bh6 16. Rfe1 c6 17. Qe2 e6 18. Nc5 Nf4 19. Bxf4 Bxf4 20. Nxa6 Bxa6 21. Qxa6 Rxb2 22. Qxc6 Qa5 23. a4 Rfb8 24. g3 R2b6 25. Qe4 Bh6 26. Ra3 Rb3 27. Rxb3 Rxb3 28. Qc6 Qxc3 29. Qxc3 Rxc3 30. Kg2 Ra3 31. Rb1 Rxa4 32. Rb6 Bf8 33. Rb7 h6 34. h4 Kg7 35. g4 e5 36. g5 hxg5 37. Nxg5 Kg8 38. dxe5 Rxh4 39. Nxf7 1/2-1/2

[Event "Rhein Main op-B 15th"]
[Site "Bad Homburg"]
[Date "2012.06.09"]
[Round "6"]
[White "Schindele, Andreas"]
[Black "Koestler, Peter"]
[Result "1/2-1/2"]
[ECO "A48"]
[WhiteElo "1929"]
[BlackElo "1917"]
[PlyCount "26"]
[EventDate "2012.06.06"]
[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. Bf4 g6 3. e3 Bg7 4. c3 0-0 5. Nf3 d6 6. Bd3 Nfd7 7. h3 Qe8 8. Nfd2 e5 9. dxe5 dxe5 10. Bh2 Nc5 11. Nb3 Nxd3+ 12. Qxd3 b6 13. Qe4 Qc6 1/2-1/2

[Event "Rhein Main op-B 15th"]
[Site "Bad Homburg"]
[Date "2012.06.08"]
[Round "4"]
[White "Kessler, Soeren Sebastian"]
[Black "Koestler, Peter"]
[Result "0-1"]
[ECO "A03"]
[WhiteElo "1845"]
[BlackElo "1917"]
[PlyCount "114"]
[EventDate "2012.06.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e3 d5 2. f4 Nf6 3. Nf3 Bg4 4. h3 Bxf3 5. Qxf3 e6 6. g4 h5 7. g5 Ne4 8. d3 Nd6 9. h4 g6 10. e4 c6 11. Bh3 Qb6 12. Nd2 Nd7 13. Nb3 dxe4 14. dxe4 Qb4+ 15. Bd2 Qxe4+ 16. Qxe4 Nxe4 17. Bg2 Nxd2 18. Nxd2 0-0-0 19. Ne4 Nc5 20. Ke2 Nxe4 21. Bxe4 Rd4 22. Kf3 Bc5 23. Rad1 Rhd8 24. Rxd4 Rxd4 25. Re1 Rd2 26. Re2 Rd1 27. Bd3 Rf1+ 28. Kg3 Rg1+ 29. Rg2 Rxg2+ 30. Kxg2 Be3 31. Kf3 Bc1 32. b3 Bd2 33. Kg3 Be1+ 34. Kh3 Kc7 35. f5 gxf5 36. Be2 Kd6 37. Bxh5 Ke7 38. Be2 Kf8 39. Bc4 Kg7 40. h5 e5 41. h6+ Kg6 42. h7 Kxh7 43. Bxf7 e4 44. Kg2 f4 45. Be6 Kg6 46. Bc8 f3+ 47. Kf1 Bh4 48. Bxb7 e3 49. Ba6 Kxg5 50. Bd3 Kf4 51. a3 Ke5 52. c3 Kd5 53. Bc4+ Ke4 54. b4 Bf6 55. Ke1 Bxc3+ 56. Kd1 Kd4 57. Ba6 e2+ 0-1

[Event "Rhein Main op-B 15th"]
[Site "Bad Homburg"]
[Date "2012.06.07"]
[Round "2"]
[White "Juschin, Christian"]
[Black "Koestler, Peter"]
[Result "0-1"]
[ECO "A52"]
[WhiteElo "1703"]
[BlackElo "1917"]
[PlyCount "68"]
[EventDate "2012.06.06"]
[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 e5 3. dxe5 Ng4 4. Bf4 Nc6 5. Nf3 Bb4+ 6. Nbd2 Qe7 7. a3 Bxd2+ 8. Qxd2 Ngxe5 9. Nxe5 Nxe5 10. Qc3 d6 11. e3 0-0 12. Bxe5 dxe5 13. Be2 Re8 14. 0-0 Qg5 15. e4 f5 16. exf5 Bxf5 17. Bd3 e4 18. Bc2 Re6 19. Rfe1 Rg6 20. g3 Qg4 21. h4 Rh6 22. Kh2 g5 23. Bd1 Qh3+ 24. Kg1 Rd8 25. Bb3 c5 26. Rad1 Rf8 27. Qe5 gxh4 28. Qd5+ Be6 29. Qxe4 hxg3 30. Qg2 Qxg2+ 31. Kxg2 gxf2 32. Rf1 Bh3+ 33. Kg3 Bxf1 34. Rxf1 Rg6+ 0-1

[Event "Rhein Main op-B 15th"]
[Site "Bad Homburg"]
[Date "2012.06.07"]
[Round "3"]
[White "Koestler, Peter"]
[Black "Puzzo, Peter"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1917"]
[BlackElo "1650"]
[PlyCount "39"]
[EventDate "2012.06.06"]
[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 d5 2. Nf3 Nf6 3. Bf4 e6 4. e3 Be7 5. Bd3 c5 6. c3 0-0 7. Nbd2 Nc6 8. Ne5 Nd7 9. Qf3 f5 10. g4 Ndxe5 11. dxe5 d4 12. exd4 cxd4 13. gxf5 dxc3 14. bxc3 exf5 15. Rg1 Be6 16. Nc4 Bd5 17. Qg3 Rf7 18. Ne3 Be4 19. Bxe4 fxe4 20. e6 1-0

[Event "Rhein Main op-B 15th"]
[Site "Bad Homburg"]
[Date "2012.06.06"]
[Round "1"]
[White "Koestler, Peter"]
[Black "Nuelken, Michael"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1917"]
[BlackElo "1494"]
[PlyCount "65"]
[EventDate "2012.06.06"]
[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 d5 2. Nf3 Nc6 3. Bf4 e6 4. e3 Be7 5. Nbd2 Nf6 6. Ne5 0-0 7. c3 a6 8. Bd3 Qe8 9. Qf3 Ne4 10. Nxe4 dxe4 11. Bxe4 f5 12. Bxc6 bxc6 13. Qxc6 Qxc6 14. Nxc6 Bd6 15. Bxd6 cxd6 16. Ne7+ Kh8 17. Nxc8 Raxc8 18. Kd2 d5 19. Kd3 a5 20. b3 Rc7 21. c4 dxc4+ 22. bxc4 Rd8 23. Rab1 e5 24. Rb5 e4+ 25. Kc3 Rdc8 26. c5 h5 27. Rhb1 Rf8 28. Rb8 Rcc8 29. Rxc8 Rxc8 30. Kc4 Kg8 31. Rb7 Ra8 32. c6 Ra6 33. Kb5 1-0

[Event "Karl Mala Memorial op 14th"]
[Site "Frankfurt"]
[Date "2011.07.10"]
[Round "6"]
[White "Koestler, Peter"]
[Black "Nothnagel, Marian Can"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1937"]
[BlackElo "1613"]
[PlyCount "82"]
[EventDate "2011.07.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 e6 3. Bf4 c5 4. c3 Nc6 5. e3 Nf6 6. Nbd2 Bd6 7. Bg3 0-0 8. Ne5 Qc7 9. f4 Bd7 10. Bd3 cxd4 11. exd4 Qb6 12. Qb3 Qxb3 13. axb3 Bxe5 14. fxe5 Nh5 15. 0-0 Nxg3 16. hxg3 f5 17. b4 Ne7 18. Nb3 b6 19. Ra3 Rfc8 20. b5 g5 21. Rfa1 Rc7 22. Be2 g4 23. Kf2 Kg7 24. Nd2 Ng6 25. Ke3 h5 26. Ra6 Rb7 27. b3 Kh6 28. c4 Kg5 29. Nb1 f4+ 30. gxf4+ Nxf4 31. Bf1 h4 32. Nc3 h3 33. g3 Nh5 34. Ne2 dxc4 35. bxc4 Rc7 36. Kd3 Rf8 37. Ke3 Rxc4 38. Rxa7 Bxb5 39. Rb1 Rf3+ 40. Kd2 Bc6 41. Ng1 Rxd4+ 0-1

[Event "Karl Mala Memorial op 14th"]
[Site "Frankfurt"]
[Date "2011.07.10"]
[Round "7"]
[White "Van Boemmel, Philipp"]
[Black "Koestler, Peter"]
[Result "0-1"]
[ECO "A25"]
[WhiteElo "1581"]
[BlackElo "1937"]
[PlyCount "88"]
[EventDate "2011.07.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. g3 Bc5 4. Bg2 d6 5. e3 Bf5 6. d3 Nge7 7. Nge2 0-0 8. 0-0 Qd7 9. Re1 a6 10. a3 Bg4 11. b4 Ba7 12. Qd2 Rae8 13. Bb2 f5 14. d4 Ng6 15. Nd5 exd4 16. Nxd4 Nge5 17. Qc3 Nd8 18. Nf4 c5 19. h3 cxd4 20. exd4 Bxd4 21. Qxd4 Nf3+ 22. Bxf3 Bxf3 23. Re3 Rxe3 24. Qxe3 Bc6 25. Re1 Be4 26. Qc3 Rf7 27. g4 Bc6 28. g5 Re7 29. h4 Rxe1+ 30. Qxe1 Nf7 31. g6 Ne5 32. gxh7+ Kxh7 33. Qc3 Qe7 34. Qg3 Nf3+ 35. Kh1 Nxh4+ 36. Kh2 Nf3+ 37. Kh3 g5 38. Nd5 g4+ 39. Kg2 Qe1 40. Nf6+ Kg6 41. Nxg4 Qg1+ 42. Kh3 fxg4+ 43. Qxg4+ Qxg4+ 44. Kxg4 Ne5+ 0-1

[Event "Karl Mala Memorial op 14th"]
[Site "Frankfurt"]
[Date "2011.07.09"]
[Round "5"]
[White "Eremenko, Christian"]
[Black "Koestler, Peter"]
[Result "1-0"]
[ECO "B13"]
[WhiteElo "1692"]
[BlackElo "1937"]
[PlyCount "65"]
[EventDate "2011.07.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c6 2. Nc3 d5 3. exd5 cxd5 4. d4 Nc6 5. Nf3 a6 6. g3 Bf5 7. a3 e6 8. Bg2 Bd6 9. 0-0 Nf6 10. Bg5 h6 11. Be3 Ng4 12. Re1 0-0 13. Bd2 Qf6 14. h3 Nxf2 15. Kxf2 Qg6 16. Bf4 Bxf4 17. gxf4 Bxc2 18. Qd2 Bf5 19. Nh4 Qf6 20. Nxf5 Qxf5 21. Rg1 Qf6 22. Ne2 Ne7 23. Qe3 Nf5 24. Qe5 Qh4+ 25. Kf1 g6 26. Bxd5 Qxh3+ 27. Bg2 Qd3 28. Be4 Qh3+ 29. Ke1 Rae8 30. Rc1 Rc8 31. Rxc8 Rxc8 32. Rxg6+ Kh7 33. Bxf5 1-0

[Event "Karl Mala Memorial op 14th"]
[Site "Frankfurt"]
[Date "2011.07.09"]
[Round "4"]
[White "Koestler, Peter"]
[Black "Reyer, Ulli"]
[Result "0-1"]
[ECO "A46"]
[WhiteElo "1937"]
[BlackElo "2152"]
[PlyCount "100"]
[EventDate "2011.07.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 e6 2. Nf3 c5 3. c3 Nf6 4. Bf4 cxd4 5. Nxd4 a6 6. e3 Be7 7. Nd2 0-0 8. Bd3 d6 9. Bg3 Qc7 10. 0-0 Nbd7 11. h3 b5 12. a4 Nc5 13. Bc2 bxa4 14. Bxa4 Nxa4 15. Qxa4 Bd7 16. Qc2 Rfc8 17. Rfc1 a5 18. Qd3 a4 19. b4 axb3 20. Rxa8 Rxa8 21. N2xb3 Rb8 22. Nd2 g6 23. Ra1 e5 24. Nc2 Rc8 25. c4 d5 26. Na3 Ra8 27. cxd5 Rxa3 28. Rxa3 Qc1+ 29. Kh2 Qxa3 30. Qxa3 Bxa3 31. Bxe5 Nxd5 32. Nc4 Bc5 33. Bd6 Bxd6+ 34. Nxd6 Nc3 35. Kg3 Bc6 36. f3 Kf8 37. Kf4 Ke7 38. Nc4 f6 39. e4 Ke6 40. h4 Bb5 41. Nd2 h6 42. g4 Ne2+ 43. Ke3 g5 44. h5 Ke5 45. Nb3 Nf4 46. Nd2 Ne6 47. Nb3 Ba6 48. Nd2 Nd4 49. Nb1 Bc4 50. Nd2 Be2 0-1

[Event "Karl Mala Memorial op 14th"]
[Site "Frankfurt"]
[Date "2011.07.08"]
[Round "2"]
[White "Koestler, Peter"]
[Black "Kues, Jarl Hendrik"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "1937"]
[BlackElo "2170"]
[PlyCount "124"]
[EventDate "2011.07.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 c6 3. Bf4 Bf5 4. c3 Nf6 5. e3 h6 6. Qb3 Qb6 7. Nbd2 Nbd7 8. Be2 g5 9. Bg3 Nh5 10. Be5 Nxe5 11. Nxe5 Nf6 12. 0-0 e6 13. h3 Bd6 14. Ndf3 Qc7 15. c4 0-0-0 16. c5 Bxe5 17. Nxe5 Ne4 18. Qa3 f6 19. Nd3 a6 20. b4 h5 21. Qb2 h4 22. f3 Ng3 23. Rf2 Kd7 24. a4 Ra8 25. Ne1 Bg6 26. Bd3 Bh5 27. b5 a5 28. Rb1 Rhb8 29. Qc3 Be8 30. bxc6+ bxc6 31. Rfb2 Rxb2 32. Rxb2 Ke7 33. Rb6 Bd7 34. Qb2 Ra7 35. Rb8 Bc8 36. Qb6 Kd7 37. Nc2 f5 38. Qxc7+ Kxc7 39. Rb6 Nh5 40. Kf2 Nf6 41. Ne1 Nd7 42. Rb2 Bb7 43. e4 fxe4 44. fxe4 Ra8 45. Nf3 dxe4 46. Bxe4 Rg8 47. Nd2 e5 48. Ke3 exd4+ 49. Kxd4 Rd8 50. Nc4 Ba6 51. Nd6 Nxc5 52. Kxc5 Rxd6 53. Rf2 Bc8 54. Rf7+ Bd7 55. Rg7 Rd1 56. Rxg5 Ra1 57. Rg7 Rc1+ 58. Kd4 Kd6 59. Rg6+ Ke7 60. Rg7+ Kd6 61. Rg6+ Ke7 62. Rg7+ Kd6 1/2-1/2

[Event "Karl Mala Memorial op 14th"]
[Site "Frankfurt"]
[Date "2011.07.08"]
[Round "3"]
[White "Trumpp, Lothar"]
[Black "Koestler, Peter"]
[Result "1/2-1/2"]
[ECO "A43"]
[WhiteElo "2058"]
[BlackElo "1937"]
[PlyCount "64"]
[EventDate "2011.07.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. Nc3 Nf6 2. e4 d6 3. Nf3 e6 4. d4 Be7 5. Be2 0-0 6. 0-0 c5 7. d5 exd5 8. exd5 Bf5 9. Bd3 Bxd3 10. Qxd3 h6 11. a4 Nbd7 12. Re1 Re8 13. h3 Nf8 14. Bf4 Ng6 15. Bh2 Qd7 16. a5 Bf8 17. Nd2 Rxe1+ 18. Rxe1 Re8 19. Rxe8 Nxe8 20. Nc4 Ne7 21. g4 Nc8 22. f4 b5 23. axb6 axb6 24. f5 Be7 25. Ne4 b5 26. Ncd2 Nb6 27. b3 b4 28. Nf1 Nf6 29. Ne3 Nxe4 30. Qxe4 Bf6 31. Nc4 Bd4+ 32. Kg2 Nxc4 1/2-1/2

[Event "Karl Mala Memorial op 14th"]
[Site "Frankfurt"]
[Date "2011.07.07"]
[Round "1"]
[White "Stein, Daniel"]
[Black "Koestler, Peter"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1189"]
[BlackElo "1937"]
[PlyCount "128"]
[EventDate "2011.07.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 g6 4. c4 Bg7 5. cxd5 cxd5 6. Nc3 a6 7. f4 Nc6 8. Nf3 Bg4 9. Be2 e6 10. Be3 Nh6 11. Qd2 Nf5 12. Bf2 Rc8 13. h3 Bxf3 14. Bxf3 h5 15. 0-0 b5 16. Rac1 Qb6 17. Rfd1 0-0 18. Ne2 Na5 19. b3 Rfd8 20. Be1 Nc6 21. a3 a5 22. Bf2 Bf8 23. Qb2 Rc7 24. Rc2 Rdc8 25. Rdc1 Be7 26. g3 Na7 27. Rxc7 Rxc7 28. Rxc7 Qxc7 29. Nc1 Nc8 30. Be2 b4 31. a4 Qc3 32. Nd3 Nb6 33. g4 hxg4 34. hxg4 Ng7 35. Qxc3 bxc3 36. Nc5 c2 37. Be3 Bxc5 38. dxc5 d4 39. Bd2 Nd5 40. Bd3 Nb4 41. Bxc2 Nxc2 42. c6 Ne8 43. Bxa5 d3 44. Kf2 Nd4 45. c7 Nxc7 46. Ke3 d2 47. Bxd2 Nxb3 48. a5 Nxd2 49. Kxd2 Kf8 50. Kd3 Ke8 51. Kc4 Kd7 52. Kc5 Na8 53. a6 Kc7 54. a7 Nb6 55. g5 Na8 56. Kb5 Kb7 57. Kc5 Nc7 58. Kd6 Nd5 59. Kd7 Kxa7 60. Ke8 Nxf4 61. Kxf7 Kb6 62. Ke7 Kc6 63. Kf7 Kd5 64. Kf6 Ke4 0-1

[Event "Rhein Main op-B 14th"]
[Site "Bad Homburg"]
[Date "2011.06.26"]
[Round "7"]
[White "Koestler, Peter"]
[Black "Fischer, Ulrich"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "1937"]
[BlackElo "1727"]
[PlyCount "76"]
[EventDate "2011.06.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 c5 4. c3 Qb6 5. Qb3 Nc6 6. e3 c4 7. Qxb6 axb6 8. Nbd2 b5 9. Be2 b4 10. 0-0 Bg4 11. h3 Bh5 12. g4 Bg6 13. Ne5 Nxe5 14. dxe5 bxc3 15. bxc3 Ne4 16. Nxe4 Bxe4 17. f3 Bc2 18. Rfc1 Ba4 19. e4 dxe4 20. fxe4 e6 21. Bxc4 Ba3 22. Rcb1 0-0 23. Bb3 Rfc8 24. Bxa4 Rxa4 25. Rb3 Bc5+ 26. Kg2 Rxe4 27. Kf3 Rc4 28. Bd2 b6 29. Re1 Ra8 30. Rb2 Raa4 31. Re2 Kf8 32. Be1 Ke7 33. Bf2 Rxc3+ 34. Kg2 Bxf2 35. Rxf2 Rc6 36. Rb3 Ra5 37. Rbf3 f6 38. exf6+ gxf6 1/2-1/2

[Event "Rhein Main op-B 14th"]
[Site "Bad Homburg"]
[Date "2011.06.25"]
[Round "5"]
[White "Koestler, Peter"]
[Black "Schmitz, Tim"]
[Result "1/2-1/2"]
[ECO "A48"]
[WhiteElo "1937"]
[BlackElo "1934"]
[PlyCount "34"]
[EventDate "2011.06.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 0-0 5. c3 d5 6. h3 c5 7. Bd3 Nc6 8. 0-0 b6 9. Nbd2 Bb7 10. Ne5 Nd7 11. Nxc6 Bxc6 12. Nf3 Bb7 13. Re1 Re8 14. Bb5 a6 15. Bxd7 Qxd7 16. Be5 f6 17. Bg3 Qc6 1/2-1/2

[Event "Rhein Main op-B 14th"]
[Site "Bad Homburg"]
[Date "2011.06.25"]
[Round "6"]
[White "Schindele, Andreas"]
[Black "Koestler, Peter"]
[Result "1/2-1/2"]
[ECO "A48"]
[WhiteElo "1953"]
[BlackElo "1937"]
[PlyCount "45"]
[EventDate "2011.06.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 g6 3. e3 Bg7 4. c3 0-0 5. Nf3 b6 6. Bd3 Bb7 7. Nbd2 d6 8. Qc2 Nfd7 9. 0-0-0 e5 10. dxe5 dxe5 11. Bg5 Qe8 12. e4 Nc5 13. Bf1 Qc6 14. Be7 Re8 15. Bxc5 Qxc5 16. Nb3 Qe7 17. h4 Nd7 18. h5 Nf6 19. hxg6 hxg6 20. Bd3 a5 21. Qe2 Nh5 22. g3 Red8 23. Nbd2 1/2-1/2

[Event "Rhein Main op-B 14th"]
[Site "Bad Homburg"]
[Date "2011.06.24"]
[Round "4"]
[White "Vogel, Wilfrid"]
[Black "Koestler, Peter"]
[Result "0-1"]
[ECO "A51"]
[WhiteElo "1850"]
[BlackElo "1937"]
[PlyCount "44"]
[EventDate "2011.06.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. d5 Bc5 4. Nc3 d6 5. e4 Ng4 6. Nh3 0-0 7. Be2 Qh4 8. Bg5 Bxf2+ 9. Kd2 Qh5 10. Rf1 Bb6 11. Kd3 Na6 12. Rf3 h6 13. Be3 Nb4+ 14. Kd2 Nxe3 15. Rxe3 Bxe3+ 16. Kxe3 Qh4 17. a3 Na6 18. b4 f5 19. Bf3 fxe4 20. Nxe4 Bxh3 21. gxh3 Qf4+ 22. Kf2 Qxe4 0-1

[Event "Rhein Main op-B 14th"]
[Site "Bad Homburg"]
[Date "2011.06.23"]
[Round "2"]
[White "Altenaehr, Johannes"]
[Black "Koestler, Peter"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1651"]
[BlackElo "1937"]
[PlyCount "46"]
[EventDate "2011.06.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nf6 3. d4 c6 4. Bg2 Bf5 5. 0-0 e6 6. Bg5 Qb6 7. Bxf6 gxf6 8. b3 Nd7 9. Nbd2 Bb4 10. a3 Bc3 11. Rb1 Bxd4 12. b4 Be5 13. Re1 Qa6 14. Qc1 0-0 15. e4 Bg6 16. exd5 cxd5 17. Nh4 Rac8 18. Nxg6 hxg6 19. h4 Rc3 20. Bf1 Qd6 21. Rb3 Rfc8 22. Bd3 Bd4 23. Nf3 Qxg3+ 0-1

[Event "Rhein Main op-B 14th"]
[Site "Bad Homburg"]
[Date "2011.06.23"]
[Round "3"]
[White "Koestler, Peter"]
[Black "Miller, Justin"]
[Result "1-0"]
[ECO "A48"]
[WhiteElo "1937"]
[BlackElo "1765"]
[PlyCount "37"]
[EventDate "2011.06.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 0-0 5. Nbd2 d6 6. h3 c5 7. c3 Nc6 8. Be2 Re8 9. dxc5 dxc5 10. Bb5 Bd7 11. 0-0 Qb6 12. a4 a6 13. Nc4 Qd8 14. Bxc6 Bxc6 15. Qe2 Be4 16. Rfd1 Nd5 17. Bg3 e6 18. Nd6 Re7 19. Nxe4 1-0

[Event "Rhein Main op-B 14th"]
[Site "Bad Homburg"]
[Date "2011.06.22"]
[Round "1"]
[White "Koestler, Peter"]
[Black "Berggren, Klas"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1937"]
[BlackElo "1506"]
[PlyCount "29"]
[EventDate "2011.06.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 e6 4. e3 Be7 5. Nbd2 Nbd7 6. Ne5 c5 7. c3 0-0 8. Bd3 Nxe5 9. dxe5 Nd7 10. Qf3 Qc7 11. Qg3 Re8 12. Nf3 Bf8 13. Bxh7+ Kxh7 14. Qh4+ Kg8 15. Ng5 1-0

[Event "Karl Mala Memorial op 13th"]
[Site "Frankfurt"]
[Date "2010.07.17"]
[Round "3"]
[White "Koestler, Peter"]
[Black "Kammerer, Peter"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "1822"]
[BlackElo "1971"]
[PlyCount "49"]
[EventDate "2010.07.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bf4 c5 4. c3 Nc6 5. e3 a6 6. Nbd2 d5 7. h3 c4 8. a4 Na5 9. Qc2 Bd7 10. Ne5 Bc6 11. Be2 Bd6 12. 0-0 0-0 13. Bg5 h6 14. Bh4 Be7 15. b4 cxb3 16. Nxb3 Nxb3 17. Qxb3 Ne4 18. Bxe7 Qxe7 19. Qc2 Rfc8 20. Bf3 Ng5 21. Be2 Ne4 22. Bd3 Nf6 23. Rfb1 Nd7 24. Nxc6 bxc6 25. c4 1/2-1/2

[Event "Karl Mala Memorial op 13th"]
[Site "Frankfurt"]
[Date "2010.07.11"]
[Round "7"]
[White "Koestler, Peter"]
[Black "Stock, Juergen"]
[Result "0-1"]
[ECO "A80"]
[WhiteElo "1822"]
[BlackElo "1940"]
[PlyCount "88"]
[EventDate "2010.07.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 e6 2. Nf3 f5 3. Bg5 Be7 4. Bxe7 Qxe7 5. c3 Nf6 6. e3 0-0 7. Bd3 d6 8. 0-0 Nbd7 9. Nbd2 Ng4 10. h3 Nh6 11. Nh2 e5 12. e4 fxe4 13. Bxe4 Nf6 14. dxe5 Qxe5 15. Nhf3 Qh5 16. Nd4 Qf7 17. Bd3 Kh8 18. Qb3 d5 19. Rae1 c5 20. Nb5 c4 21. Nxc4 dxc4 22. Bxc4 Qg6 23. Re3 Bd7 24. Nd4 Rab8 25. Bd3 Qg5 26. Rfe1 Nf5 27. Nf3 Qh6 28. Bxf5 Bxf5 29. Ne5 Bg6 30. Rg3 Bh5 31. Rge3 Be8 32. Qa3 Bc6 33. Nxc6 bxc6 34. Qxa7 Rxb2 35. Rg3 Rbb8 36. Re7 Nh5 37. Rf3 Rb1+ 38. Kh2 Qd6+ 39. g3 Rxf3 40. Re8+ Rf8 41. Qd4 Qa3 42. Qa4 Qc5 43. Qa7 Qf5 44. g4 Qf4+ 0-1

[Event "Karl Mala Memorial op 13th"]
[Site "Frankfurt"]
[Date "2010.07.11"]
[Round "6"]
[White "Toews, Manuel"]
[Black "Koestler, Peter"]
[Result "1/2-1/2"]
[ECO "B16"]
[WhiteElo "1910"]
[BlackElo "1822"]
[PlyCount "49"]
[EventDate "2010.07.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ gxf6 6. Nf3 Bf5 7. Bf4 e6 8. Bd3 Bg6 9. Qd2 Bd6 10. Bg3 Qc7 11. 0-0-0 Nd7 12. Rde1 0-0-0 13. Kb1 Kb8 14. c3 Rhe8 15. Qc2 a6 16. Bxd6 Qxd6 17. h4 Qf4 18. Be4 Qg4 19. g3 Qxf3 20. Bxf3 Bxc2+ 21. Kxc2 f5 22. Bh5 Rf8 23. Re2 Nf6 24. Bf3 Rg8 25. Ree1 1/2-1/2

[Event "Karl Mala Memorial op 13th"]
[Site "Frankfurt"]
[Date "2010.07.10"]
[Round "4"]
[White "Barisch, Florian"]
[Black "Koestler, Peter"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "1932"]
[BlackElo "1822"]
[PlyCount "32"]
[EventDate "2010.07.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 e6 3. e3 d5 4. Bd3 Bd6 5. Bg3 c5 6. c3 0-0 7. Nd2 Nc6 8. f4 cxd4 9. exd4 Qc7 10. Nh3 Ne7 11. 0-0 Nf5 12. Qf3 Bd7 13. Rab1 b5 14. Bxf5 exf5 15. Bh4 Ne4 16. Nxe4 fxe4 1/2-1/2

[Event "Karl Mala Memorial op 13th"]
[Site "Frankfurt"]
[Date "2010.07.10"]
[Round "5"]
[White "Koestler, Peter"]
[Black "Wagner, Stefan1111"]
[Result "1/2-1/2"]
[ECO "A47"]
[WhiteElo "1822"]
[BlackElo "1905"]
[PlyCount "68"]
[EventDate "2010.07.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bf4 b6 4. e3 Bb7 5. c3 c5 6. Nbd2 Be7 7. Nc4 d5 8. Nce5 0-0 9. Be2 Nbd7 10. h3 cxd4 11. exd4 a6 12. 0-0 Rc8 13. Bd3 b5 14. Nxd7 Nxd7 15. a3 Re8 16. Re1 Nf8 17. Ne5 Bd6 18. Bh2 f6 19. Nf3 Bxh2+ 20. Kxh2 Qd6+ 21. Kg1 Rc7 22. Bc2 a5 23. a4 b4 24. cxb4 Qxb4 25. Bb3 Rec8 26. Qd3 Rc6 27. Re3 Ba6 28. Qd1 Nd7 29. Ne1 Qb6 30. Qg4 Nf8 31. h4 Bc4 32. Qd1 Rb8 33. Ra3 Qc7 34. Qd2 Qb6 1/2-1/2

[Event "Karl Mala Memorial op 13th"]
[Site "Frankfurt"]
[Date "2010.07.09"]
[Round "2"]
[White "Rieseler, Caroline"]
[Black "Koestler, Peter"]
[Result "1/2-1/2"]
[ECO "D40"]
[WhiteElo "2059"]
[BlackElo "1822"]
[PlyCount "38"]
[EventDate "2010.07.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. Nf3 Nc6 7. Bg5 Be7 8. a3 0-0 9. Bd3 dxc4 10. Bxc4 Nd5 11. h4 h6 12. Bxe7 Ncxe7 13. 0-0 a6 14. Ne2 b5 15. Ba2 Bb7 16. Rc1 Ng6 17. h5 Ngf4 18. Bxd5 Nxe2+ 19. Qxe2 Bxd5 1/2-1/2

[Event "Karl Mala Memorial op 13th"]
[Site "Frankfurt"]
[Date "2010.07.08"]
[Round "1"]
[White "Koestler, Peter"]
[Black "Kuhn, Gerhard"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "1822"]
[BlackElo "2083"]
[PlyCount "82"]
[EventDate "2010.07.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 d5 5. c3 0-0 6. Bd3 b6 7. Nbd2 Bb7 8. 0-0 Nbd7 9. h3 c5 10. Ne5 Nxe5 11. Bxe5 Nd7 12. Bxg7 Kxg7 13. f4 e6 14. Qf3 f5 15. g4 Nf6 16. Qg2 Ne4 17. Nf3 Qe7 18. Ne5 a5 19. g5 Nd6 20. h4 Nf7 21. Nxf7 Qxf7 22. Rf3 Rh8 23. Kf2 Kf8 24. Rh1 Ke7 25. Rfh3 Bc6 26. h5 Rhg8 27. R1h2 Rg7 28. hxg6 hxg6 29. Qh1 Kd6 30. Rh8 Rxh8 31. Rxh8 Rg8 32. Qh6 Rxh8 33. Qxh8 Kc7 34. Ba6 Bb7 35. Bb5 Bc6 36. Be2 Kb7 37. Qh6 Be8 38. Qh8 Ka7 39. Kg3 Kb7 40. Bf3 Ka7 41. Qe5 c4 1/2-1/2

[Event "Rhein Main op 13th"]
[Site "Bad Homburg"]
[Date "2010.06.06"]
[Round "7"]
[White "Koestler, Peter"]
[Black "Sittinger, Lutz"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1807"]
[BlackElo "1958"]
[PlyCount "48"]
[EventDate "2010.06.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 e6 4. e3 h6 5. Nbd2 Bd6 6. Ne5 0-0 7. Bd3 Nbd7 8. c3 Qe7 9. 0-0 c5 10. Qf3 Bb8 11. g4 Nxe5 12. Bxe5 Bxe5 13. dxe5 Nd7 14. Qg3 c4 15. Bc2 b5 16. a3 Bb7 17. f4 g6 18. Nf3 a5 19. f5 Kh7 20. f6 Qc5 21. Ng5+ Kg8 22. Qh3 Nxe5 23. Qxh6 Qxe3+ 24. Rf2 Qxf2+ 0-1

[Event "Rhein Main op 13th"]
[Site "Bad Homburg"]
[Date "2010.06.05"]
[Round "6"]
[White "Gross, Heinrich2222"]
[Black "Koestler, Peter"]
[Result "1/2-1/2"]
[ECO "A03"]
[WhiteElo "1977"]
[BlackElo "1807"]
[PlyCount "43"]
[EventDate "2010.06.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. f4 d5 2. Nf3 Nf6 3. e3 Bg4 4. h3 Bxf3 5. Qxf3 e6 6. g4 Ne4 7. h4 Be7 8. g5 h5 9. d3 Nd6 10. Bh3 g6 11. Nc3 c6 12. Bd2 Qb6 13. Na4 Qc7 14. Bc3 Rf8 15. b3 Nd7 16. 0-0 Nb5 17. Bg7 Rg8 18. Bb2 Ba3 19. c4 Bxb2 20. Nxb2 dxc4 21. Nxc4 Nd6 22. Rfd1 1/2-1/2

[Event "Rhein Main op 13th"]
[Site "Bad Homburg"]
[Date "2010.06.05"]
[Round "5"]
[White "Koestler, Peter"]
[Black "Ruecker, Benjamin"]
[Result "0-1"]
[ECO "A46"]
[WhiteElo "1807"]
[BlackElo "2245"]
[PlyCount "66"]
[EventDate "2010.06.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. d4 e6 2. Nf3 Nf6 3. Bf4 c5 4. c3 cxd4 5. cxd4 b5 6. e3 a6 7. Nbd2 Bb7 8. Be2 Be7 9. Rc1 d6 10. h3 Nbd7 11. 0-0 0-0 12. a3 Re8 13. Rc2 Bf8 14. Qc1 Qb6 15. b3 Rad8 16. Qb2 g6 17. Rfc1 Bg7 18. Qa2 e5 19. dxe5 dxe5 20. Bh2 Nd5 21. Ng5 Nxe3 22. Rc7 Nd5 23. R7c2 Nf8 24. Bf3 h6 25. Nge4 Ne6 26. b4 Nd4 27. Nc5 Nxc2 28. Nxb7 Qxb7 29. Rxc2 e4 30. Bxe4 Rxe4 31. Nxe4 Nxb4 32. Qb1 Nxc2 33. Qxc2 Qxe4 0-1

[Event "Rhein Main op 13th"]
[Site "Bad Homburg"]
[Date "2010.06.04"]
[Round "4"]
[White "Mertens, Klaus"]
[Black "Koestler, Peter"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2080"]
[BlackElo "1807"]
[PlyCount "120"]
[EventDate "2010.06.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 e6 3. Bg2 d5 4. d4 h6 5. 0-0 Bd6 6. b3 0-0 7. Bb2 Nbd7 8. Nbd2 c6 9. c4 b6 10. Qc2 Bb7 11. Rfe1 Rc8 12. e4 dxe4 13. Nxe4 Nxe4 14. Qxe4 Nf6 15. Qd3 c5 16. Rad1 cxd4 17. Bxd4 Bb4 18. Re2 Qe7 19. Ne1 Bxg2 20. Kxg2 Rfd8 21. Nc2 Qb7+ 22. Qf3 Qxf3+ 23. Kxf3 Bc3 24. Re3 Bxd4 25. Rxd4 Rxd4 26. Nxd4 Rd8 27. Nc6 Rd7 28. h3 a5 29. Ke2 Rd6 30. Ne5 Kf8 31. Rd3 Rxd3 32. Kxd3 Ke7 33. Kd4 Nd7 34. Nxd7 Kxd7 35. c5 Kc6 36. cxb6 Kxb6 37. Kc4 f6 38. b4 axb4 39. Kxb4 h5 40. h4 g5 41. Kc4 Kc6 42. Kd4 Kd6 43. Ke4 f5+ 44. Kf3 gxh4 45. gxh4 e5 46. Ke3 Kd5 47. Kd3 e4+ 48. Ke3 Ke5 49. Kd2 f4 50. Kc3 Kd5 51. a3 Kc5 52. a4 Kb6 53. Kd4 e3 54. Kd3 exf2 55. Ke2 f1Q+ 56. Kxf1 Ka5 57. Kf2 Kxa4 58. Kf3 Kb5 59. Kxf4 Kc6 60. Kg5 Kd6 1/2-1/2

[Event "Rhein Main op 13th"]
[Site "Bad Homburg"]
[Date "2010.06.03"]
[Round "2"]
[White "Hahn, Markus"]
[Black "Koestler, Peter"]
[Result "1/2-1/2"]
[ECO "D03"]
[WhiteElo "2071"]
[BlackElo "1807"]
[PlyCount "104"]
[EventDate "2010.06.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bg5 Be7 4. Nbd2 d5 5. e3 0-0 6. Bd3 Nbd7 7. 0-0 c5 8. c3 b6 9. e4 h6 10. Bh4 Nxe4 11. Bxe7 Qxe7 12. Nxe4 dxe4 13. Bxe4 Rb8 14. Qe2 Nf6 15. Bc2 Bb7 16. Rfe1 Bxf3 17. Qxf3 cxd4 18. cxd4 Qb4 19. Qd3 Rfd8 20. Rad1 Qxb2 21. Bb3 Rbc8 22. Re2 Qc3 23. f4 Nd5 24. g3 Rc6 25. Kf2 Qxd3 26. Rxd3 Rcd6 27. Kf3 Nb4 28. Rd1 Rxd4 29. Rxd4 Rxd4 30. f5 e5 31. Rxe5 Kf8 32. Ke3 Rd3+ 33. Ke2 Rd8 34. Re3 Re8 35. h4 Rxe3+ 36. Kxe3 Ke7 37. Kd4 Kf6 38. Ke4 Na6 39. Bc2 Nb4 40. Bb3 a5 41. g4 b5 42. a3 Nc6 43. Bd5 Ne7 44. Bb7 g6 45. fxg6 Nxg6 46. g5+ hxg5 47. hxg5+ Kxg5 48. Kd4 b4 49. axb4 axb4 50. Kc4 f5 51. Kxb4 f4 52. Kc3 Kg4 1/2-1/2

[Event "Rhein Main op 13th"]
[Site "Bad Homburg"]
[Date "2010.06.03"]
[Round "3"]
[White "Koestler, Peter"]
[Black "Rump, Andreas"]
[Result "1-0"]
[ECO "A48"]
[WhiteElo "1807"]
[BlackElo "1950"]
[PlyCount "129"]
[EventDate "2010.06.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. d4 g6 2. Nf3 Bg7 3. Bf4 d6 4. e3 Nf6 5. h3 Nc6 6. c3 0-0 7. Bc4 Nd7 8. 0-0 e5 9. dxe5 Ndxe5 10. Bb3 Na5 11. Nxe5 Nxb3 12. Qxb3 dxe5 13. Bg3 Be6 14. Qc2 c5 15. Nd2 b5 16. Rad1 Qb6 17. Nf3 f6 18. Rd2 Qc6 19. Rfd1 Bxh3 20. Rd6 Qb7 21. gxh3 Qxf3 22. Qb3+ Kh8 23. Qxb5 Rab8 24. Qxc5 Rg8 25. R1d2 h5 26. Qc6 Qf5 27. Kg2 Rb6 28. Qf3 Rgb8 29. Qxf5 gxf5 30. Rxb6 Rxb6 31. f4 Kh7 32. Kf3 Kg6 33. Ke2 e4 34. Kd1 Bf8 35. b4 a5 36. a3 axb4 37. axb4 Rc6 38. Rc2 Bd6 39. Be1 Rc4 40. Kc1 Kf7 41. Kb2 Rc8 42. c4 Ke6 43. Kb3 Rg8 44. c5 Bc7 45. Kc4 Rg1 46. Bf2 Rg2 47. Rd2 Rh2 48. h4 Rh1 49. Kb5 Ke7 50. Kc6 Bd8 51. Kb7 Ke8 52. c6 Rc1 53. b5 Ba5 54. Ra2 Bd8 55. b6 Bxb6 56. Kxb6 Kd8 57. Ra8+ Ke7 58. Ra7+ Kd6 59. Rd7+ Ke6 60. Rd2 Rb1+ 61. Kc7 Ke7 62. Kc8 Rc1 63. c7 Rb1 64. Ra2 Ke8 65. Ra7 1-0

[Event "Rhein Main op 13th"]
[Site "Bad Homburg"]
[Date "2010.06.02"]
[Round "1"]
[White "Koestler, Peter"]
[Black "Seehaus, Bernhard"]
[Result "1/2-1/2"]
[ECO "A48"]
[WhiteElo "1807"]
[BlackElo "2117"]
[PlyCount "58"]
[EventDate "2010.06.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. d4 g6 2. Nf3 c6 3. Bf4 d6 4. e3 Nf6 5. h3 Bg7 6. c3 0-0 7. Bc4 b5 8. Be2 a6 9. 0-0 Nbd7 10. Nbd2 Bb7 11. e4 c5 12. e5 Nd5 13. Bh2 cxd4 14. cxd4 dxe5 15. dxe5 Nc5 16. Rc1 Ne6 17. Nb3 Qb6 18. Nfd4 Ndf4 19. Nxe6 Nxe6 20. Bf3 Rfd8 21. Qe2 Bxf3 22. Qxf3 Rac8 23. Bg3 a5 24. Rxc8 Rxc8 25. Rc1 Rxc1+ 26. Nxc1 Qc7 27. Nd3 Qc2 28. Qd5 b4 29. Kh2 h6 1/2-1/2

[Event "Rhein Main op 12th"]
[Site "Bad Homburg"]
[Date "2009.06.14"]
[Round "7"]
[White "Koestler, Peter"]
[Black "Kessler, Soeren Sebastian"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1839"]
[BlackElo "1460"]
[PlyCount "114"]
[EventDate "2009.06.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 131 Extra"]
[Source "ChessBase"]
[SourceDate "2009.09.03"]
[SourceVersion "2"]
[SourceVersionDate "2009.09.16"]
[SourceQuality "1"]

1. d4 e6 2. Nf3 d5 3. Bf4 Nf6 4. e3 Nbd7 5. c3 Be7 6. Nbd2 c5 7. Bd3 b6 8. Ne5 Bb7 9. Bb5 a6 10. Nc6 Bxc6 11. Bxc6 Ra7 12. Ba4 b5 13. Bc2 Qb6 14. 0-0 0-0 15. Qf3 Rc8 16. a3 a5 17. Rfc1 b4 18. dxc5 Bxc5 19. axb4 axb4 20. Rxa7 Qxa7 21. cxb4 e5 22. bxc5 exf4 23. b4 Qa3 24. Rb1 Qc3 25. Qd1 fxe3 26. Nf1 exf2+ 27. Kxf2 Nxc5 28. Kg1 Nce4 29. Ba4 Rb8 30. Qc1 Qxc1 31. Rxc1 d4 32. Bc6 Nc3 33. Ra1 Kf8 34. b5 Ke7 35. Nd2 Nfd5 36. Nc4 Nb4 37. Ra7+ Kf6 38. Rd7 d3 39. Kf2 Nxb5 40. Bxb5 Rxb5 41. Rxf7+ Kxf7 42. Nd6+ Ke6 43. Nxb5 Nc2 44. Nc3 Ke5 45. Kf3 Kd4 46. Nd1 Ne1+ 47. Kf2 d2 48. g3 Kd3 49. Ne3 Ng2 50. Nd1 Kc2 51. Ke2 h5 52. Nf2 h4 53. Kf3 h3 54. Ke2 Ne1 55. Nd1 Kc1 56. Ne3 g5 57. Nd1 Nf3 0-1

[Event "Rhein Main op 12th"]
[Site "Bad Homburg"]
[Date "2009.06.13"]
[Round "6"]
[White "Jung, Gerhard"]
[Black "Koestler, Peter"]
[Result "1-0"]
[ECO "B15"]
[WhiteElo "1985"]
[BlackElo "1839"]
[PlyCount "65"]
[EventDate "2009.06.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 131 Extra"]
[Source "ChessBase"]
[SourceDate "2009.09.03"]
[SourceVersion "2"]
[SourceVersionDate "2009.09.16"]
[SourceQuality "1"]

1. e4 c6 2. d4 g6 3. Nc3 Bg7 4. Nf3 d5 5. exd5 cxd5 6. Bb5+ Nc6 7. 0-0 a6 8. Ba4 Nf6 9. Ne5 Bd7 10. Nxd7 Qxd7 11. Ne2 b5 12. Bb3 Na5 13. c3 Nxb3 14. axb3 0-0 15. Nf4 Qc7 16. Nd3 Nd7 17. Qf3 e6 18. Bf4 Qb6 19. b4 a5 20. Qg3 axb4 21. Nxb4 Ra7 22. Rxa7 Qxa7 23. Qd3 Qa4 24. Bd6 Ra8 25. Nc2 Bf8 26. Bxf8 Kxf8 27. Nb4 Qa5 28. Qg3 Qb6 29. Qh3 Kg7 30. Nxd5 exd5 31. Qxd7 Rd8 32. Qe7 Ra8 33. Qe5+ 1-0

[Event "Rhein Main op 12th"]
[Site "Bad Homburg"]
[Date "2009.06.13"]
[Round "5"]
[White "Koestler, Peter"]
[Black "Scheerer, Michael"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1839"]
[BlackElo "1434"]
[PlyCount "61"]
[EventDate "2009.06.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 131 Extra"]
[Source "ChessBase"]
[SourceDate "2009.09.03"]
[SourceVersion "2"]
[SourceVersionDate "2009.09.16"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 e6 4. e3 Be7 5. Nbd2 0-0 6. c3 c5 7. h3 Nc6 8. Ne5 Nxe5 9. Bxe5 Bd6 10. Nf3 Bxe5 11. Nxe5 cxd4 12. exd4 Nd7 13. Nf3 Nf6 14. Bd3 Bd7 15. Ne5 Rc8 16. Qf3 Qb6 17. 0-0-0 Bb5 18. Bb1 Rc7 19. h4 Rfc8 20. Rh3 Bc4 21. g4 Qa6 22. Nxc4 dxc4 23. g5 Nd5 24. Qe4 g6 25. h5 Qd6 26. Rh4 f5 27. gxf6 Nxf6 28. Qg2 Rg7 29. hxg6 hxg6 30. Rdh1 Nh5 31. Bxg6 1-0

[Event "Rhein Main op 12th"]
[Site "Bad Homburg"]
[Date "2009.06.12"]
[Round "4"]
[White "Hornung, Thomas"]
[Black "Koestler, Peter"]
[Result "1-0"]
[ECO "A52"]
[WhiteElo "2034"]
[BlackElo "1839"]
[PlyCount "79"]
[EventDate "2009.06.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 131 Extra"]
[Source "ChessBase"]
[SourceDate "2009.09.03"]
[SourceVersion "2"]
[SourceVersionDate "2009.09.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Nf3 Bc5 5. e3 Nc6 6. Nc3 0-0 7. Be2 Ngxe5 8. 0-0 d6 9. a3 a5 10. b3 Re8 11. Bb2 Nxf3+ 12. Bxf3 Ne5 13. Be2 Re6 14. Nd5 Rh6 15. g3 Qd7 16. f4 c6 17. fxe5 cxd5 18. Bd4 Rxh2 19. Bg4 Qxg4 20. Qxg4 Bxg4 21. Kxh2 dxc4 22. bxc4 Be6 23. Bxc5 dxc5 24. Rac1 Re8 25. Rfd1 g6 26. e4 h5 27. Kg2 Re7 28. Kf2 a4 29. Ke3 Kg7 30. Rd6 Rc7 31. Kd3 Bd7 32. Rb1 Bc6 33. e6 Re7 34. e5 f5 35. Ke3 Kh6 36. Kf4 Be8 37. Rbd1 Bc6 38. Rd7 Rxe6 39. Rc7 Be4 40. Rdd7 1-0

[Event "Rhein Main op 12th"]
[Site "Bad Homburg"]
[Date "2009.06.11"]
[Round "2"]
[White "Goemann, Jens"]
[Black "Koestler, Peter"]
[Result "1-0"]
[ECO "A25"]
[WhiteElo "2144"]
[BlackElo "1839"]
[PlyCount "61"]
[EventDate "2009.06.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 131 Extra"]
[Source "ChessBase"]
[SourceDate "2009.09.03"]
[SourceVersion "2"]
[SourceVersionDate "2009.09.16"]
[SourceQuality "1"]

1. c4 e5 2. g3 Bc5 3. Nc3 d6 4. Bg2 Nc6 5. a3 a5 6. e3 Bf5 7. d3 Nge7 8. Nge2 0-0 9. 0-0 Qd7 10. Re1 Bh3 11. Bh1 f5 12. d4 Bb6 13. dxe5 Nxe5 14. Nf4 Bg4 15. f3 g5 16. Nfd5 Bh5 17. Nxb6 cxb6 18. b3 Rad8 19. Bb2 Qc6 20. Rf1 f4 21. g4 Bf7 22. e4 N7g6 23. Qd4 Qc5 24. Rad1 Nc6 25. Qf2 Nge5 26. Bg2 Be6 27. Rd2 Rd7 28. Rfd1 Rfd8 29. Na4 Qxf2+ 30. Kxf2 b5 31. Nb6 1-0

[Event "Rhein Main op 12th"]
[Site "Bad Homburg"]
[Date "2009.06.11"]
[Round "3"]
[White "Koestler, Peter"]
[Black "Schmitt, Clemens"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1839"]
[BlackElo "1533"]
[PlyCount "63"]
[EventDate "2009.06.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 131 Extra"]
[Source "ChessBase"]
[SourceDate "2009.09.03"]
[SourceVersion "2"]
[SourceVersionDate "2009.09.16"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 c6 4. e3 e6 5. c3 Bd6 6. Ne5 0-0 7. Nd2 Nbd7 8. Nxc6 bxc6 9. Bxd6 Re8 10. Be2 Qb6 11. Qb3 c5 12. dxc5 Nxc5 13. Qxb6 axb6 14. 0-0 e5 15. f3 Re6 16. Bxc5 bxc5 17. b4 cxb4 18. cxb4 Rb6 19. b5 Ra3 20. Kf2 e4 21. Rfb1 Be6 22. Rb4 g5 23. Nb1 Ra8 24. a4 exf3 25. gxf3 d4 26. Rxd4 g4 27. fxg4 Bxg4 28. Bxg4 Rxb5 29. Bf3 Rb2+ 30. Rd2 Rxd2+ 31. Nxd2 Ra5 32. Nb3 1-0

[Event "Rhein Main op 12th"]
[Site "Bad Homburg"]
[Date "2009.06.10"]
[Round "1"]
[White "Koestler, Peter"]
[Black "Zweschper, Erich"]
[Result "1/2-1/2"]
[ECO "A48"]
[WhiteElo "1839"]
[BlackElo "2133"]
[PlyCount "72"]
[EventDate "2009.06.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 131 Extra"]
[Source "ChessBase"]
[SourceDate "2009.09.03"]
[SourceVersion "2"]
[SourceVersionDate "2009.09.16"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d6 3. Bf4 g6 4. e3 Bg7 5. c3 0-0 6. Nbd2 Nbd7 7. Bc4 Qe8 8. 0-0 e5 9. dxe5 dxe5 10. Bg3 Qe7 11. e4 Nh5 12. Bh4 Qe8 13. Bb3 Nc5 14. Bc2 Bd7 15. b4 Ne6 16. Bb3 h6 17. Nc4 Nef4 18. Qd2 Bg4 19. Qe3 Kh7 20. Rad1 g5 21. Bg3 Qe7 22. h3 Be6 23. Rd2 f6 24. Rfd1 g4 25. hxg4 Bxg4 26. Bh4 Qe8 27. Rf1 Qg6 28. Bg3 Be6 29. Nh4 Qf7 30. Na5 b6 31. Bxe6 Qxe6 32. Nb3 Rf7 33. Nf5 Rg8 34. Kh2 Bf8 35. Rh1 Rg6 36. Bxf4 exf4 1/2-1/2

