[Event "Krefeld Pfingsten op"]
[Site "Krefeld"]
[Date "2025.06.09"]
[Round "6"]
[White "Maenken, Merlin"]
[Black "Markgraf, Jonas"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "2024"]
[BlackElo "1985"]
[PlyCount "89"]
[EventDate "2025.06.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CB24_2025"]
[SourceDate "2025.06.11"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.11"]
[SourceQuality "1"]

1. d4 e6 2. Nf3 Nf6 3. c4 Bb4+ 4. Bd2 Bxd2+ 5. Qxd2 b6 6. Nc3 Bb7 7. g3 d5 8. cxd5 Nxd5 9. Bg2 Nxc3 10. Qxc3 0-0 11. 0-0 Nd7 12. Rfd1 Nf6 13. Rac1 Rc8 14. b4 Qe7 15. Ne5 Bxg2 16. Kxg2 Qd6 17. a3 Qd5+ 18. f3 Qb5 19. Qc4 Qxc4 20. Rxc4 Nd5 21. Kf2 a6 22. e4 Ne7 23. Ke3 f6 24. Nc6 Rce8 25. Rdc1 Rf7 26. Nxe7+ Rexe7 27. Rc6 f5 28. e5 g5 29. a4 f4+ 30. gxf4 gxf4+ 31. Ke4 Rg7 32. a5 Rg2 33. R6c2 Reg7 34. Rxg2 Rxg2 35. Rxc7 bxa5 36. bxa5 Rxh2 37. Rc6 Kf7 38. Rxa6 h5 39. Ra8 h4 40. Rh8 h3 41. a6 Ra2 42. a7 h2 43. Rxh2 Rxa7 44. Rh7+ Kg6 45. Rxa7 1-0

[Event "Krefeld Pfingsten op"]
[Site "Krefeld"]
[Date "2025.06.09"]
[Round "7"]
[White "Markgraf, Jonas"]
[Black "Restorff, Felix"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1985"]
[BlackElo "2114"]
[PlyCount "104"]
[EventDate "2025.06.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CB24_2025"]
[SourceDate "2025.06.11"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.11"]
[SourceQuality "1"]

1. d4 d5 2. Nc3 Nf6 3. Bf4 c5 4. e4 Nxe4 5. Nxe4 dxe4 6. dxc5 Qxd1+ 7. Rxd1 Bd7 8. Bc4 e6 9. Be3 Nc6 10. Ne2 Na5 11. Bb3 Rc8 12. c6 Nxc6 13. Nc3 Bb4 14. 0-0 Bxc3 15. bxc3 b6 16. c4 Ne7 17. Bf4 Bc6 18. Bd6 Nf5 19. Ba3 Rd8 20. Rxd8+ Kxd8 21. Rd1+ Kc8 22. c5 Rd8 23. Rxd8+ Kxd8 24. cxb6 axb6 25. Bb2 g6 26. g4 Nd6 27. a4 Bd5 28. Bd4 Kc7 29. g5 Kc6 30. Kf1 Nf5 31. Bc3 Kc5 32. a5 Bxb3 33. cxb3 bxa5 34. Bxa5 Nd4 35. b4+ Kc4 36. Kg2 Nf3 37. h4 Nxh4+ 38. Kg3 Nf3 39. Kf4 Kd5 40. Bd8 Nd4 41. Kg4 Nc6 42. Ba5 e5 43. Kg3 Kc4 44. Kg2 Nxb4 45. Bxb4 Kxb4 46. Kf1 Kc4 47. Ke2 Kd4 48. Kd2 e3+ 49. fxe3+ Ke4 50. Ke2 Kf5 51. Kf3 Kxg5 52. Ke4 f6 0-1

[Event "Krefeld Pfingsten op"]
[Site "Krefeld"]
[Date "2025.06.08"]
[Round "5"]
[White "Markgraf, Jonas"]
[Black "Boos, Patrick"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1985"]
[BlackElo "2076"]
[PlyCount "111"]
[EventDate "2025.06.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CB24_2025"]
[SourceDate "2025.06.11"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.11"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 d5 3. Bf4 e6 4. Nb5 Na6 5. e3 Be7 6. h3 0-0 7. Nf3 c5 8. Be2 Bd7 9. 0-0 c4 10. Nc3 b5 11. a3 Qb6 12. Ne5 Rfd8 13. g4 Be8 14. g5 Nd7 15. Ng4 Nf8 16. h4 Nb8 17. Bg3 Nc6 18. f4 a6 19. Kg2 Bd7 20. Ne5 Ra7 21. Nxd7 Raxd7 22. Bg4 g6 23. Rh1 Bd6 24. h5 Ne7 25. hxg6 fxg6 26. Qf3 Bb8 27. Bf2 Qd6 28. Ne2 Nf5 29. c3 Rf7 30. Rh2 a5 31. Ng3 Bc7 32. Rah1 Nd7 33. Be1 Rdf8 34. Bd2 Qc6 35. Bxf5 exf5 36. Rh6 Qe6 37. Kf2 Re8 38. R1h3 Rd8 39. Qh1 Nf8 40. Nh5 Rdd7 41. Nf6+ Rxf6 42. gxf6 Qxf6 43. Qf3 Qe6 44. Kg2 Re7 45. Be1 Qe4 46. Qxe4 Rxe4 47. Bh4 Kg7 48. Bg5 Re6 49. Kf3 Re8 50. Rh1 a4 51. R6h3 Bd8 52. Bh6+ Kf6 53. Bxf8 Rxf8 54. Rxh7 Be7 55. Rh8 Bd6 56. R1h7 1-0

[Event "Krefeld Pfingsten op"]
[Site "Krefeld"]
[Date "2025.06.08"]
[Round "4"]
[White "Markgraf, Jonas"]
[Black "Burkhardt, Holger"]
[Result "1-0"]
[ECO "A80"]
[WhiteElo "1985"]
[BlackElo "2083"]
[PlyCount "43"]
[EventDate "2025.06.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CB24_2025"]
[SourceDate "2025.06.11"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.11"]
[SourceQuality "1"]

1. d4 f5 2. Nc3 Nf6 3. Bf4 e6 4. g4 Nxg4 5. e4 d5 6. e5 g6 7. Qd2 h5 8. h3 Nh6 9. Bg5 Qd7 10. Nge2 Nf7 11. Bf6 Bh6 12. f4 0-0 13. Rg1 Kh7 14. Ng3 Qe8 15. Be2 Nh8 16. 0-0-0 Rxf6 17. exf6 c6 18. Rde1 Qf7 19. Bxh5 Nd7 20. Nxf5 exf5 21. Re7 gxh5 22. Qg2 1-0

[Event "Krefeld Pfingsten op"]
[Site "Krefeld"]
[Date "2025.06.07"]
[Round "3"]
[White "Huesmann, Thomas"]
[Black "Markgraf, Jonas"]
[Result "0-1"]
[ECO "C13"]
[WhiteElo "2091"]
[BlackElo "1985"]
[PlyCount "115"]
[EventDate "2025.06.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CB24_2025"]
[SourceDate "2025.06.11"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.11"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 dxe4 5. Nxe4 Be7 6. Nxf6+ Bxf6 7. Bxf6 Qxf6 8. Nf3 0-0 9. Qd3 c5 10. 0-0-0 cxd4 11. Qxd4 Qxd4 12. Nxd4 a6 13. Be2 Ra7 14. Bf3 b5 15. Nb3 Bb7 16. Bxb7 Rxb7 17. Rd6 g6 18. Rhd1 Rc7 19. Na5 Kg7 20. Rd8 Rxd8 21. Rxd8 Nc6 22. Nxc6 Rxc6 23. Ra8 h5 24. Kd2 g5 25. b3 h4 26. h3 f5 27. Rd8 e5 28. Rd7+ Kf6 29. Rh7 Kg6 30. Ra7 g4 31. c4 bxc4 32. bxc4 gxh3 33. gxh3 Kg5 34. Kc3 Kf4 35. Rb7 Kf3 36. Rb2 f4 37. a4 a5 38. Rb5 Kxf2 39. Rxe5 Kg2 40. Rg5+ Kxh3 41. Kd3 Re6 42. Rxa5 f3 43. Rf5 Kg2 44. Rg5+ Kh3 45. Rf5 Kg3 46. Rg5+ Kf4 47. Rg8 Rd6+ 48. Kc3 f2 49. Rf8+ Kg3 50. Rg8+ Kf3 51. Rf8+ Kg2 52. Rg8+ Kf1 53. Rh8 h3 54. c5 Rf6 55. c6 Rxc6+ 56. Kd4 Rf6 57. Ke5 Rf7 58. Kd4 0-1

[Event "Krefeld Pfingsten op"]
[Site "Krefeld"]
[Date "2025.06.07"]
[Round "2"]
[White "Markgraf, Jonas"]
[Black "Estrin, Boris"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1985"]
[PlyCount "53"]
[EventDate "2025.06.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CB24_2025"]
[SourceDate "2025.06.11"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.11"]
[SourceQuality "1"]

1. d4 d5 2. Nc3 Bf5 3. f3 Nf6 4. g4 Bg6 5. h4 h6 6. e3 e6 7. h5 Bh7 8. Bd3 Bd6 9. Nge2 c6 10. Bxh7 Nxh7 11. e4 Ng5 12. Qd3 Na6 13. a3 Nc7 14. e5 Be7 15. Bf4 Qd7 16. 0-0-0 b5 17. Bd2 a5 18. f4 Nh7 19. Nb1 a4 20. Rdg1 Qd8 21. Qg3 g6 22. hxg6 fxg6 23. Rxh6 Kf7 24. Rgh1 Kg7 25. f5 gxf5 26. gxf5+ Bg5 27. f6+ 1-0

[Event "Krefeld Pfingsten op"]
[Site "Krefeld"]
[Date "2025.06.06"]
[Round "1"]
[White "Schwerin, Stefan"]
[Black "Markgraf, Jonas"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1607"]
[BlackElo "1985"]
[PlyCount "74"]
[EventDate "2025.06.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CB24_2025"]
[SourceDate "2025.06.11"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.11"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 Nf6 5. Nf3 c6 6. h3 Bf5 7. Be2 e6 8. Nh4 Bg6 9. Nxg6 hxg6 10. Be3 Nbd7 11. Qd3 Qc7 12. 0-0-0 Bd6 13. Rhe1 a5 14. a4 Nb6 15. b3 Nbd5 16. Na2 0-0 17. c4 Nxe3 18. fxe3 b5 19. axb5 cxb5 20. c5 Bg3 21. Rf1 b4 22. Kb2 Rfb8 23. e4 Nh5 24. Qc4 Bh4 25. Bxh5 gxh5 26. Rf3 a4 27. Nc1 Qa5 28. Na2 axb3 29. Qxb3 Qb5 30. Qd3 Qa4 31. Qb3 Qc6 32. Qc2 b3 33. Rxb3 Rxb3+ 34. Qxb3 Qxe4 35. Qf3 Rb8+ 36. Kc3 Be1+ 37. Kc4 Qc2+ 0-1

[Event "Krefeld Easter op"]
[Site "Krefeld"]
[Date "2025.04.21"]
[Round "8"]
[White "Markgraf, Jonas"]
[Black "Kummerow, Heiko"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "1977"]
[BlackElo "2151"]
[PlyCount "39"]
[EventDate "2025.04.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CB17_2025"]
[SourceDate "2025.04.23"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.23"]
[SourceQuality "1"]

1. d4 d5 2. Nc3 c5 3. e4 dxe4 4. d5 Nf6 5. Nge2 e6 6. Nf4 exd5 7. Nfxd5 Nxd5 8. Qxd5 Qxd5 9. Nxd5 Bd6 10. Be3 Bf5 11. 0-0-0 Nd7 12. Nf6+ gxf6 13. Rxd6 Ke7 14. Rd2 Rad8 15. Bb5 b6 16. Bxd7 Rxd7 17. Rxd7+ Bxd7 18. Rd1 Be6 19. a3 Rd8 20. Rxd8 1/2-1/2

[Event "Krefeld Easter op"]
[Site "Krefeld"]
[Date "2025.04.21"]
[Round "9"]
[White "Muranyi, Erich"]
[Black "Markgraf, Jonas"]
[Result "1/2-1/2"]
[ECO "C07"]
[WhiteElo "1923"]
[BlackElo "1977"]
[PlyCount "43"]
[EventDate "2025.04.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CB17_2025"]
[SourceDate "2025.04.23"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.23"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. Ngf3 cxd4 6. Bc4 Qd6 7. 0-0 Nf6 8. Nb3 Nc6 9. Qe2 Be7 10. Rd1 e5 11. h3 Be6 12. c3 0-0-0 13. Bxe6+ fxe6 14. cxd4 exd4 15. Ng5 d3 16. Qxe6+ Qxe6 17. Nxe6 Rd7 18. Be3 Nd5 19. Rxd3 Nxe3 20. Rxe3 Bf6 21. Nbc5 Rd5 22. Rc1 1/2-1/2

[Event "Krefeld Easter op"]
[Site "Krefeld"]
[Date "2025.04.20"]
[Round "7"]
[White "Althoff, Ralph"]
[Black "Markgraf, Jonas"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "2026"]
[BlackElo "1977"]
[PlyCount "70"]
[EventDate "2025.04.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CB17_2025"]
[SourceDate "2025.04.23"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.23"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 d5 3. e3 Ne4 4. Bf4 c5 5. f3 Qa5+ 6. c3 Nf6 7. Bd3 cxd4 8. exd4 e6 9. Nd2 Nc6 10. a4 Qd8 11. Nh3 Nh5 12. Bg5 Be7 13. f4 Nf6 14. 0-0 h6 15. Bh4 a5 16. Qe2 Qb6 17. Nf3 Bd7 18. Ne5 Rf8 19. Bf2 Qc7 20. Bg3 0-0-0 21. f5 Nxe5 22. dxe5 Bc5+ 23. Kh1 Ne4 24. Bxe4 dxe4 25. b4 axb4 26. cxb4 Bxb4 27. fxe6 fxe6 28. Rfc1 Bc6 29. Qc4 Bd2 30. Rc2 e3 31. Nf4 Qxe5 32. Rb1 Rd4 33. Qe2 Qe4 34. Rbb2 Rxa4 35. Nd3 Qxg2+ 0-1

[Event "Krefeld Easter op"]
[Site "Krefeld"]
[Date "2025.04.20"]
[Round "6"]
[White "Markgraf, Jonas"]
[Black "Nezhyvenko, Mykhaylo"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1977"]
[BlackElo "2155"]
[PlyCount "82"]
[EventDate "2025.04.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CB17_2025"]
[SourceDate "2025.04.23"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.23"]
[SourceQuality "1"]

1. d4 d5 2. Nc3 Nf6 3. Bf4 c5 4. e4 Nxe4 5. Nxe4 dxe4 6. dxc5 Qa5+ 7. c3 Qxc5 8. Qa4+ Nc6 9. Qxe4 Bf5 10. Qa4 e5 11. Be3 Qd6 12. Nf3 Be7 13. Rd1 Qc7 14. Be2 0-0 15. 0-0 a6 16. Rd2 b5 17. Qd1 Rfd8 18. Rxd8+ Rxd8 19. Qc1 Bd6 20. h3 e4 21. Nd4 Nxd4 22. Bxd4 h6 23. Rd1 Be6 24. a4 bxa4 25. Bxa6 f5 26. Be2 f4 27. Bg4 Bxg4 28. hxg4 Qc8 29. Qc2 Qxg4 30. Be5 f3 31. Bg3 h5 32. Qxa4 h4 33. gxf3 Qg5 34. Qc4+ Kh8 35. Rd5 Qg6 36. fxe4 hxg3 37. fxg3 Qxg3+ 38. Kf1 Qf3+ 39. Ke1 Ra8 40. Rf5 Bf4 41. Qf7 Ra1# 0-1

[Event "Krefeld Easter op"]
[Site "Krefeld"]
[Date "2025.04.19"]
[Round "5"]
[White "Huesmann, Thomas"]
[Black "Markgraf, Jonas"]
[Result "0-1"]
[ECO "C13"]
[WhiteElo "2107"]
[BlackElo "1977"]
[PlyCount "85"]
[EventDate "2025.04.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CB17_2025"]
[SourceDate "2025.04.23"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.23"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 dxe4 5. Nxe4 Be7 6. Nxf6+ Bxf6 7. Bxf6 Qxf6 8. Nf3 0-0 9. Qd3 c5 10. 0-0-0 cxd4 11. Qxd4 Qxd4 12. Nxd4 a6 13. Be2 e5 14. Nb3 Nc6 15. Bf3 Bf5 16. Bxc6 bxc6 17. Rd6 Rfc8 18. Nc5 Kf8 19. f3 h5 20. Re1 f6 21. Red1 Ke7 22. R6d2 a5 23. g4 hxg4 24. fxg4 Bxg4 25. Rg1 f5 26. h3 Bxh3 27. Rxg7+ Kf6 28. Rdd7 e4 29. Rde7 Rd8 30. Nd7+ Rxd7 31. Rxd7 Re8 32. Rh7 Bg4 33. Rd6+ Ke5 34. Rxc6 e3 35. Rcc7 f4 36. Rce7+ Rxe7 37. Rxe7+ Kd4 38. Rg7 Bh5 39. Rd7+ Ke4 40. Re7+ Kf3 41. c4 Ke2 42. Re5 f3 43. Rf5 0-1

[Event "Krefeld Easter op"]
[Site "Krefeld"]
[Date "2025.04.18"]
[Round "2"]
[White "Markgraf, Jonas"]
[Black "Pennekamp, Christoph"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1977"]
[BlackElo "1674"]
[PlyCount "23"]
[EventDate "2025.04.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CB17_2025"]
[SourceDate "2025.04.23"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.23"]
[SourceQuality "1"]

1. d4 g6 2. e4 Bg7 3. Nf3 d6 4. h3 Nf6 5. Bd3 Nbd7 6. 0-0 h6 7. e5 dxe5 8. dxe5 Nd5 9. e6 N7f6 10. exf7+ Kxf7 11. Ne5+ Kg8 12. Nxg6 1-0

[Event "Krefeld Easter op"]
[Site "Krefeld"]
[Date "2025.04.17"]
[Round "1"]
[White "Stammen, York Magnus"]
[Black "Markgraf, Jonas"]
[Result "1/2-1/2"]
[ECO "D23"]
[WhiteElo "1618"]
[BlackElo "1977"]
[PlyCount "142"]
[EventDate "2025.04.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CB17_2025"]
[SourceDate "2025.04.23"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.23"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. g3 c5 4. c4 dxc4 5. Bg2 Nc6 6. e3 e5 7. Nxe5 Nxe5 8. dxe5 Qxd1+ 9. Kxd1 Ng4 10. Ke2 Nxe5 11. Na3 Bg4+ 12. f3 Bd7 13. f4 Nd3 14. Nxc4 0-0-0 15. a4 Be6 16. Na5 Bg4+ 17. Bf3 Bxf3+ 18. Kxf3 Be7 19. e4 Nb4 20. Be3 Nc2 21. Rac1 Nxe3 22. Kxe3 Rd7 23. Rhd1 Rhd8 24. Rxd7 Rxd7 25. Nc4 f6 26. b3 b6 27. g4 Kb7 28. f5 a6 29. Na3 Bd6 30. h3 Be5 31. Nb1 Rd4 32. Nd2 Bf4+ 33. Kxf4 Rxd2 34. Rc3 Kc6 35. h4 Rf2+ 36. Kg3 Re2 37. Kf3 Rh2 38. Kg3 Rd2 39. g5 Kd6 40. Kf4 b5 41. Ke3 Rh2 42. Rd3+ Ke7 43. axb5 axb5 44. Rd5 Rh3+ 45. Kf4 Rxh4+ 46. Kg3 Rxe4 47. Rxc5 Re3+ 48. Kf4 Rxb3 49. Rc7+ Kd6 50. Rxg7 Rb4+ 51. Kf3 fxg5 52. Rxg5 Ke5 53. Rh5 Rf4+ 54. Ke3 Rxf5 55. Rxh7 Kd6 56. Kd2 Kc5 57. Rh4 b4 58. Kc2 Rf3 59. Rh5+ Kc4 60. Rh4+ Kb5 61. Rh8 Rc3+ 62. Kb2 Rc5 63. Kb3 Rc3+ 64. Kb2 Rc6 65. Kb3 Rc3+ 66. Kb2 Rg3 67. Rb8+ Kc4 68. Rc8+ Kb5 69. Rb8+ Kc4 70. Rc8+ Kd4 71. Rb8 Kc4 1/2-1/2

[Event "Krefeld Christmas op"]
[Site "Krefeld"]
[Date "2024.12.30"]
[Round "7"]
[White "Markgraf, Jonas"]
[Black "Naumann, Felix"]
[Result "1-0"]
[ECO "A80"]
[WhiteElo "1960"]
[BlackElo "1850"]
[PlyCount "77"]
[EventDate "2024.12.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CB01_2025"]
[SourceDate "2025.01.01"]
[SourceVersion "1"]
[SourceVersionDate "2025.01.01"]
[SourceQuality "1"]

1. d4 f5 2. Nc3 Nf6 3. Bf4 e6 4. g4 Bb4 5. gxf5 Ne4 6. Qd3 d5 7. Nf3 exf5 8. Rg1 g6 9. Ne5 Nd7 10. Bg2 Bxc3+ 11. bxc3 Qh4 12. Bg3 Nxe5 13. Bxh4 Nxd3+ 14. exd3 g5 15. dxe4 gxh4 16. exd5 Kf7 17. Kd2 Bd7 18. Rab1 b6 19. f4 Rae8 20. Bf3 Kf6 21. Rbe1 h6 22. Re5 Re7 23. Bh5 Be8 24. Rge1 Rxe5 25. dxe5+ Ke7 26. Bxe8 Rxe8 27. Rg1 Kf7 28. Ke3 Rd8 29. c4 b5 30. Kd4 bxc4 31. Kxc4 Rb8 32. e6+ Kf6 33. Re1 Ke7 34. Re5 Rb2 35. Kc3 Rxa2 36. Rxf5 Kd6 37. Kb3 Ra6 38. c4 c6 39. c5+ 1-0

[Event "Krefeld Christmas op"]
[Site "Krefeld"]
[Date "2024.12.30"]
[Round "6"]
[White "Peters, Alex"]
[Black "Markgraf, Jonas"]
[Result "1-0"]
[ECO "A01"]
[WhiteElo "2118"]
[BlackElo "1960"]
[PlyCount "79"]
[EventDate "2024.12.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CB01_2025"]
[SourceDate "2025.01.01"]
[SourceVersion "1"]
[SourceVersionDate "2025.01.01"]
[SourceQuality "1"]

1. b3 a5 2. a3 Nf6 3. Bb2 d5 4. e3 Bg4 5. Be2 Bxe2 6. Qxe2 c6 7. f4 e6 8. Nf3 Nbd7 9. 0-0 Bd6 10. Ne5 Qc7 11. Nxd7 Qxd7 12. d3 Qe7 13. Nd2 e5 14. e4 Bc5+ 15. Kh1 exf4 16. Rxf4 d4 17. Qf2 Rd8 18. Nc4 Qc7 19. e5 Nd5 20. Nd6+ Bxd6 21. exd6 Rxd6 22. Re4+ Kd8 23. Bxd4 Rh6 24. Be5 Qd7 25. Bxg7 f5 26. Bxh6 fxe4 27. dxe4 Qd6 28. exd5 Qxh6 29. dxc6 Rf8 30. Qb6+ Ke8 31. Re1+ Kf7 32. Qxb7+ Kg8 33. c7 Qd2 34. Qe4 Qc3 35. Qc4+ Qxc4 36. bxc4 Rc8 37. Re7 Rf8 38. Kg1 Rc8 39. Rd7 Kf8 40. Rd8+ 1-0

[Event "Krefeld Christmas op"]
[Site "Krefeld"]
[Date "2024.12.29"]
[Round "4"]
[White "Ebert, Wolf"]
[Black "Markgraf, Jonas"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "1828"]
[BlackElo "1960"]
[PlyCount "82"]
[EventDate "2024.12.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CB01_2025"]
[SourceDate "2025.01.01"]
[SourceVersion "1"]
[SourceVersionDate "2025.01.01"]
[SourceQuality "1"]

1. d4 e6 2. e3 Nf6 3. Bd3 c5 4. c3 b6 5. f4 Bb7 6. Nf3 Be7 7. 0-0 Nc6 8. Qe2 0-0 9. Nbd2 cxd4 10. exd4 Nd5 11. Ne4 f5 12. Nf2 a5 13. Nh3 Nf6 14. Nhg5 Qc8 15. Ne5 h6 16. Ngf3 Qe8 17. Bb5 Ne4 18. Nxc6 dxc6 19. Bd3 c5 20. Be3 Bd6 21. dxc5 Nxc5 22. Bc4 Kh7 23. Kh1 Ne4 24. Ne5 Bxe5 25. fxe5 Qc6 26. Bb5 Qc7 27. Bd4 Bd5 28. c4 Bc6 29. Rac1 Qb7 30. Bxc6 Qxc6 31. Qe3 b5 32. b3 Rfd8 33. cxb5 Qxb5 34. Rfe1 Rac8 35. Kg1 Qb4 36. Bb2 Rxc1 37. Bxc1 Rd3 38. Qe2 Rd5 39. Rf1 Rxe5 40. Qb2 Qc5+ 41. Kh1 Nf2+ 0-1

[Event "Krefeld Christmas op"]
[Site "Krefeld"]
[Date "2024.12.29"]
[Round "5"]
[White "Markgraf, Jonas"]
[Black "Reuter, Julian Frank"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1960"]
[BlackElo "2160"]
[PlyCount "61"]
[EventDate "2024.12.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CB01_2025"]
[SourceDate "2025.01.01"]
[SourceVersion "1"]
[SourceVersionDate "2025.01.01"]
[SourceQuality "1"]

1. d4 d5 2. Nc3 Nf6 3. Bf4 e6 4. Nb5 Bb4+ 5. c3 Ba5 6. e3 a6 7. Na3 c5 8. dxc5 Nc6 9. Bd3 h6 10. Nf3 Nd7 11. Bd6 Bc7 12. Bxc7 Qxc7 13. b4 a5 14. Nb5 Qb8 15. Nd6+ Ke7 16. a3 Nce5 17. 0-0 b6 18. Nxe5 Nxe5 19. Qh5 bxc5 20. bxc5 f5 21. Qh4+ Kd7 22. Qd4 Nxd3 23. Qxg7+ Kc6 24. Qxh8 Ba6 25. Qd4 Nxc5 26. Nf7 Bxf1 27. Ne5+ Kd6 28. Rxf1 Nb3 29. Qf4 Qc8 30. Ng6+ Kd7 31. Qa4+ 1-0

[Event "Krefeld Christmas op"]
[Site "Krefeld"]
[Date "2024.12.28"]
[Round "3"]
[White "Markgraf, Jonas"]
[Black "Beiden, Manuel"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1960"]
[BlackElo "1737"]
[PlyCount "81"]
[EventDate "2024.12.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CB01_2025"]
[SourceDate "2025.01.01"]
[SourceVersion "1"]
[SourceVersionDate "2025.01.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 d5 3. Bf4 g6 4. e3 Bg7 5. Nb5 Na6 6. h3 0-0 7. Nf3 c5 8. c3 Bf5 9. Be2 Qb6 10. a4 cxd4 11. exd4 Rfc8 12. 0-0 Nb8 13. a5 Qd8 14. g4 Bd7 15. Ne5 Nc6 16. Nxd7 Qxd7 17. a6 b6 18. Qd3 Na5 19. Qg3 Ne8 20. Na3 Nc7 21. Qg2 Ne8 22. Bf3 e6 23. Qg3 Nc4 24. Nxc4 Rxc4 25. Be2 Rcc8 26. Kg2 Rd8 27. h4 Nd6 28. f3 Rac8 29. Bd3 Qe7 30. Rae1 Bf6 31. Rh1 b5 32. h5 Bg5 33. hxg6 fxg6 34. Be5 Bf6 35. Qh2 Bxe5 36. Rxe5 Nc4 37. Re2 Rc6 38. Bxg6 Rd7 39. Bxh7+ Kf8 40. Bg6 Qg7 41. Qb8+ 1-0

[Event "Krefeld Christmas op"]
[Site "Krefeld"]
[Date "2024.12.28"]
[Round "2"]
[White "Raasch, Joerg"]
[Black "Markgraf, Jonas"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2252"]
[BlackElo "1960"]
[PlyCount "63"]
[EventDate "2024.12.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CB01_2025"]
[SourceDate "2025.01.01"]
[SourceVersion "1"]
[SourceVersionDate "2025.01.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 d5 3. Bf4 e6 4. e3 Bd6 5. Nf3 Bxf4 6. exf4 0-0 7. Bd3 b6 8. 0-0 Ba6 9. Ne5 Bxd3 10. Qxd3 c5 11. f5 cxd4 12. Qxd4 Nfd7 13. Nxd7 Qxd7 14. f6 gxf6 15. Qxf6 Qd8 16. Qf4 Nd7 17. Rad1 Qf6 18. Nxd5 exd5 19. Qg4+ Kh8 20. Qxd7 Qxb2 21. Qxd5 Rad8 22. Qf5 Rxd1 23. Rxd1 Qxa2 24. Qf6+ Kg8 25. Qg5+ Kh8 26. Qe7 Rc8 27. h3 Qxc2 28. Qf6+ Kg8 29. Rd5 Qc1+ 30. Kh2 Qc7+ 31. g3 Qc6 32. Rd8+ 1-0

[Event "Krefeld Christmas op"]
[Site "Krefeld"]
[Date "2024.12.27"]
[Round "1"]
[White "Markgraf, Jonas"]
[Black "Wagner, Jovis"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "1960"]
[BlackElo "1600"]
[PlyCount "34"]
[EventDate "2024.12.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CB01_2025"]
[SourceDate "2025.01.01"]
[SourceVersion "1"]
[SourceVersionDate "2025.01.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 e6 3. Bf4 Bb4 4. Qd3 0-0 5. a3 Ba5 6. b4 Bb6 7. e4 d6 8. Nf3 c5 9. Bxd6 Qxd6 10. e5 Qe7 11. exf6 Qxf6 12. Ne4 Qe7 13. bxc5 Ba5+ 14. c3 Nc6 15. Be2 f5 16. Nd6 e5 17. Nxc8 Raxc8 1-0

[Event "Krefeld op"]
[Site "Krefeld"]
[Date "2023.08.06"]
[Round "8"]
[White "Bahr, Jan Hendrik"]
[Black "Markgraf, Jonas"]
[Result "1/2-1/2"]
[ECO "D05"]
[WhiteElo "1709"]
[BlackElo "2043"]
[PlyCount "77"]
[EventDate "2023.08.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 e6 2. Nf3 c5 3. e3 Nf6 4. Bd3 d5 5. b3 Nc6 6. 0-0 cxd4 7. exd4 Be7 8. Bb2 0-0 9. Nbd2 Bd7 10. a3 Rc8 11. Ne5 Ne8 12. f4 f5 13. c4 Nxe5 14. fxe5 Bc6 15. c5 g5 16. b4 Ng7 17. b5 Be8 18. Qa4 a6 19. Qb3 axb5 20. Bxb5 Bg6 21. a4 f4 22. a5 Nf5 23. Rfc1 Ne3 24. c6 bxc6 25. Bxc6 Rb8 26. Bb7 Nc2 27. Ra4 Be8 28. a6 Bxa4 29. Qxa4 Nb4 30. Qb5 Nxa6 31. Qxa6 Qd7 32. Bc6 Qd8 33. Ba3 Bxa3 34. Qxa3 Qb6 35. Qc5 Qb2 36. Rc2 Qa1+ 37. Rc1 Qb2 38. Rc2 Qa1+ 39. Rc1 1/2-1/2

[Event "Krefeld op"]
[Site "Krefeld"]
[Date "2023.08.06"]
[Round "9"]
[White "Markgraf, Jonas"]
[Black "Berresheim, Nils"]
[Result "1/2-1/2"]
[ECO "B51"]
[WhiteElo "2043"]
[BlackElo "1720"]
[PlyCount "102"]
[EventDate "2023.08.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. 0-0 a6 5. Bd3 Ngf6 6. c3 b5 7. Re1 Bb7 8. Bc2 Rc8 9. d3 e6 10. Nbd2 Qc7 11. Nf1 Be7 12. Bf4 0-0 13. Rc1 h6 14. h3 Qa5 15. Bb1 b4 16. Ne3 Nb6 17. Nd2 Qa4 18. Qe2 Qd7 19. Bh2 a5 20. f4 Ba6 21. Qf3 Na4 22. Ndc4 d5 23. Ne5 Qa7 24. c4 dxe4 25. dxe4 Rfd8 26. Bc2 Nb6 27. b3 Bb7 28. f5 Nbd7 29. Nxf7 Kxf7 30. fxe6+ Kg8 31. exd7 Rxd7 32. Nd5 Qa6 33. Rcd1 Qe6 34. Qd3 Nh7 35. Bf4 Nf8 36. Qg3 Rcd8 37. Bc7 Rc8 38. Bf4 Rcd8 39. Bc1 Ng6 40. Nxe7+ Nxe7 41. Bb2 Ng6 42. Rxd7 Rxd7 43. Qe3 Nh4 44. Qf2 Qe7 45. Re2 Qg5 46. g3 Rf7 47. Qe3 Nf3+ 48. Kg2 Nh4+ 49. Kg1 Nf3+ 50. Kg2 Nh4+ 51. Kg1 Nf3+ 1/2-1/2

[Event "Krefeld op"]
[Site "Krefeld"]
[Date "2023.08.05"]
[Round "6"]
[White "Bruens, Steffen"]
[Black "Markgraf, Jonas"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "1789"]
[BlackElo "2043"]
[PlyCount "52"]
[EventDate "2023.08.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nd7 3. d4 Nb6 4. Bg2 Nf6 5. 0-0 g6 6. b3 Bg7 7. c4 c6 8. c5 Nbd7 9. Nc3 0-0 10. Qc2 Re8 11. b4 Nf8 12. Ne5 Bf5 13. Qb3 N6d7 14. f4 Nxe5 15. fxe5 Ne6 16. e3 Bd3 17. Rf2 Bc4 18. Qd1 Rf8 19. Bf1 Bxf1 20. Qxf1 a6 21. Bd2 f5 22. h4 h5 23. a4 b5 24. a5 Bh6 25. Ne2 Kh7 26. Rd1 Qd7 1/2-1/2

[Event "Krefeld op"]
[Site "Krefeld"]
[Date "2023.08.05"]
[Round "7"]
[White "Markgraf, Jonas"]
[Black "Wenzke, Elias"]
[Result "1/2-1/2"]
[ECO "C15"]
[WhiteElo "2043"]
[BlackElo "1810"]
[PlyCount "140"]
[EventDate "2023.08.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. Nge2 dxe4 5. a3 Bxc3+ 6. Nxc3 Nc6 7. d5 exd5 8. Qxd5 Be6 9. Qxe4 Nf6 10. Qd3 Qe7 11. Be2 Rd8 12. Qg3 Bc4 13. Be3 Bxe2 14. Nxe2 0-0 15. 0-0 Ne4 16. Qf4 Rd6 17. Ng3 Nxg3 18. Qxg3 Rg6 19. Qf4 Nd8 20. Qb4 Qe6 21. Kh1 Qc6 22. Rg1 Ne6 23. c3 h5 24. Qh4 Rd8 25. Qxh5 Rd5 26. Qf3 Rf6 27. Qh3 Ng5 28. Bxg5 Rxg5 29. Rad1 Rh6 30. Rd8+ Kh7 31. Qd3+ f5 32. h3 Qg6 33. Qd5 Rxh3+ 34. gxh3 Rxg1+ 35. Kh2 Rb1 36. Qg8+ Kh6 37. Qh8+ Qh7 38. Qe8 Qg6 39. Qe3+ Kh7 40. Qg3 Qxg3+ 41. Kxg3 Rxb2 42. Rd7 c6 43. f3 Rb3 44. a4 Kg6 45. Rd6+ Kf7 46. Rd7+ Kf6 47. h4 a5 48. Rc7 Rxc3 49. Rxb7 Rc4 50. Rb6 Ke5 51. Ra6 Rxa4 52. Rxc6 Ra1 53. Rc5+ Ke6 54. Rc6+ Kf7 55. Rc7+ Kg6 56. Rc6+ Kh7 57. h5 Ra4 58. Ra6 Kg8 59. Ra8+ Kf7 60. Ra6 Kf8 61. Ra8+ Ke7 62. Ra6 Kf7 63. Kh3 Ra1 64. Kh4 Rf1 65. Rxa5 Rxf3 66. Kg5 Ke6 67. Ra6+ Ke5 68. Ra5+ Ke6 69. Ra6+ Kf7 70. Ra7+ Kf8 1/2-1/2

[Event "Krefeld op"]
[Site "Krefeld"]
[Date "2023.08.04"]
[Round "4"]
[White "Brandt, Clara"]
[Black "Markgraf, Jonas"]
[Result "0-1"]
[ECO "D78"]
[WhiteElo "1227"]
[BlackElo "2043"]
[PlyCount "74"]
[EventDate "2023.08.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nd7 3. d4 Nb6 4. Bg2 Nf6 5. 0-0 g6 6. b3 Bg7 7. Bb2 c6 8. Nbd2 Bf5 9. c4 0-0 10. Re1 Ne4 11. Nxe4 Bxe4 12. Nd2 Bxg2 13. Kxg2 dxc4 14. Nxc4 Rc8 15. Kg1 Nxc4 16. bxc4 c5 17. Qa4 cxd4 18. Qxa7 Qc7 19. Qa3 e5 20. Rac1 Rfd8 21. Qa4 Ra8 22. Qb3 b6 23. a4 Ra5 24. Ra1 Rc5 25. Rec1 Rc8 26. Kf1 Qc6 27. f3 Bh6 28. Rc2 Qe6 29. Bc1 Bg7 30. Bd2 e4 31. Rb1 Qh3+ 32. Kg1 Rh5 33. g4 Qxh2+ 34. Kf1 Qh1+ 35. Kf2 Rh2+ 36. Kg3 Be5+ 37. f4 Qg2# 0-1

[Event "Krefeld op"]
[Site "Krefeld"]
[Date "2023.08.04"]
[Round "5"]
[White "Markgraf, Jonas"]
[Black "Braun, Joshua"]
[Result "1-0"]
[ECO "C28"]
[WhiteElo "2043"]
[BlackElo "1633"]
[PlyCount "91"]
[EventDate "2023.08.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. f4 exf4 6. Bxf4 d6 7. Nf3 Bg4 8. Qd2 Na5 9. Bb3 Nxb3 10. axb3 Nh5 11. 0-0 Nxf4 12. Qxf4 Be6 13. Nd4 0-0 14. Nxe6 fxe6 15. Qg4 Rxf1+ 16. Rxf1 Qd7 17. Ne2 Rd8 18. Nd4 Rf8 19. Rxf8+ Bxf8 20. Qxe6+ Qxe6 21. Nxe6 c6 22. Nxf8 Kxf8 23. Kf2 Ke7 24. b4 Ke6 25. Ke3 d5 26. exd5+ cxd5 27. Kd4 Kd6 28. b5 b6 29. b4 h5 30. h4 g6 31. c4 dxc4 32. dxc4 Ke6 33. c5 bxc5+ 34. bxc5 Kd7 35. Kd5 Kc8 36. Kc6 Kb8 37. Kd7 g5 38. c6 a5 39. bxa6 g4 40. c7+ Ka7 41. c8Q Kb6 42. Qb7+ Kc5 43. a7 g3 44. a8Q Kd4 45. Qe4+ Kc5 46. Qac6# 1-0

[Event "Krefeld op"]
[Site "Krefeld"]
[Date "2023.08.03"]
[Round "3"]
[White "Markgraf, Jonas"]
[Black "Kraus, Linus"]
[Result "1/2-1/2"]
[ECO "C10"]
[WhiteElo "2043"]
[BlackElo "1486"]
[PlyCount "80"]
[EventDate "2023.08.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Nxf6+ Nxf6 7. Be3 Be7 8. Bd3 b6 9. Ne5 0-0 10. Nc6 Qd6 11. Nxe7+ Qxe7 12. 0-0 Bb7 13. Bg5 h6 14. Bh4 Rfd8 15. Re1 Rac8 16. Qd2 c5 17. dxc5 Rxc5 18. Qe2 Ba8 19. Rad1 Qb7 20. f3 Qe7 21. Rd2 Rcd5 22. Red1 Bb7 23. c4 R5d7 24. Bxf6 gxf6 25. Qe3 Kg7 26. Kf1 Qd6 27. Be4 Qc7 28. Rxd7 Rxd7 29. Rxd7 Qxd7 30. Bxb7 Qxb7 31. Qd4 Qc7 32. g3 Qc6 33. Qg4+ Kf8 34. Qf4 Ke7 35. b3 h5 36. Ke2 Qc5 37. Qe3 Qa3 38. Qd2 Qc5 39. Qe3 Qa3 40. Qd2 Qc5 1/2-1/2

[Event "Krefeld op"]
[Site "Krefeld"]
[Date "2023.08.03"]
[Round "2"]
[White "Wendrich, Finn"]
[Black "Markgraf, Jonas"]
[Result "1-0"]
[ECO "E04"]
[WhiteElo "1464"]
[BlackElo "2043"]
[PlyCount "137"]
[EventDate "2023.08.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 e6 2. c4 Nf6 3. g3 Bb4+ 4. Nd2 d5 5. Bg2 0-0 6. Ngf3 dxc4 7. 0-0 c3 8. bxc3 Bxc3 9. Rb1 c6 10. Ba3 Re8 11. Nc4 Qc7 12. Qb3 Ba5 13. Qa4 b6 14. Bd6 Qd8 15. Bxb8 Rxb8 16. Nxa5 b5 17. Qb4 Nd5 18. Qd2 Bd7 19. Ne5 Rc8 20. Bxd5 exd5 21. Rfc1 Bf5 22. Rb2 c5 23. Rxb5 cxd4 24. Nac6 Qd6 25. Rb7 f6 26. Nf7 Qf8 27. Nxd4 Rxc1+ 28. Qxc1 Bg6 29. Nh6+ gxh6 30. Rxa7 Re7 31. Rxe7 Qxe7 32. Qc6 Bf7 33. Qa8+ Qf8 34. Qxf8+ Kxf8 35. Kg2 Ke8 36. Nf5 Kd7 37. Nxh6 Be6 38. Kf3 d4 39. Ke4 Bxa2 40. Kxd4 Ke6 41. Ng4 Bb3 42. Ne3 Ba4 43. Ng2 Bc6 44. e4 Kf7 45. Nh4 Ba4 46. f4 Bd7 47. Kd5 Bc8 48. e5 fxe5 49. fxe5 Ke7 50. Ke4 Ke6 51. Kf4 Bb7 52. Nf5 Bd5 53. Nd4+ Ke7 54. Kg5 Be4 55. Kf4 Bb1 56. g4 Bd3 57. h4 Bb1 58. Kg5 Bd3 59. Kh6 Kf7 60. g5 Bb1 61. h5 Bd3 62. e6+ Kg8 63. g6 hxg6 64. hxg6 Bc4 65. e7 Bf7 66. gxf7+ Kxf7 67. Nc6 Ke8 68. Kg6 Kd7 69. Kf7 1-0

[Event "Krefeld op"]
[Site "Krefeld"]
[Date "2023.08.02"]
[Round "1"]
[White "Markgraf, Jonas"]
[Black "Roth, Jan Paul"]
[Result "1/2-1/2"]
[ECO "C28"]
[WhiteElo "2043"]
[BlackElo "1670"]
[PlyCount "73"]
[EventDate "2023.08.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. f4 exf4 6. Bxf4 d6 7. Nf3 Bg4 8. Qd2 Nd4 9. Nxd4 Bxd4 10. Be3 Bxe3 11. Qxe3 0-0 12. h3 Be6 13. Bxe6 fxe6 14. 0-0-0 e5 15. g4 Qd7 16. Rdf1 b5 17. Ne2 Qe6 18. Kb1 c5 19. Ng3 Nd7 20. Qg5 Kh8 21. Rf5 g6 22. Rff1 Rf6 23. h4 Raf8 24. Rfg1 Qe7 25. Re1 R6f7 26. Qxe7 Rxe7 27. h5 Kg7 28. hxg6 hxg6 29. Rh3 Rh8 30. Rxh8 Kxh8 31. Nf1 Nb6 32. Ne3 Rf7 33. Kc1 Kg7 34. Kd2 Rf2+ 35. Re2 Rf7 36. Rh2 Rf4 37. Ke2 1/2-1/2

[Event "Krefeld op"]
[Site "Krefeld"]
[Date "2022.08.08"]
[Round "8"]
[White "Laurent, Yann"]
[Black "Markgraf, Jonas"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "1740"]
[BlackElo "2020"]
[PlyCount "35"]
[EventDate "2022.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. Nc3 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Bg5 d5 6. e4 Nxe4 7. Nxc6 bxc6 8. Nxe4 dxe4 9. Qxd8+ Kxd8 10. 0-0-0+ Ke8 11. Bc4 f6 12. Bh4 g5 13. Bg3 e5 14. Rhe1 Bf5 15. f3 Bc5 16. fxe4 Bg4 17. Rd3 Rd8 18. h3 1/2-1/2

[Event "Krefeld op"]
[Site "Krefeld"]
[Date "2022.08.08"]
[Round "9"]
[White "Markgraf, Jonas"]
[Black "Ovchinnikov, Max"]
[Result "1-0"]
[ECO "C10"]
[WhiteElo "2020"]
[BlackElo "1766"]
[PlyCount "157"]
[EventDate "2022.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Bd3 Nxe4 7. Bxe4 Nf6 8. Bd3 c5 9. 0-0 cxd4 10. Nxd4 Bc5 11. Nb3 Bb6 12. Qe2 0-0 13. Be3 Bd7 14. Rad1 Bxe3 15. Qxe3 Qe7 16. Nd4 Nd5 17. Qe4 g6 18. c4 Nb4 19. Bb1 Nc6 20. Nb5 Rfd8 21. Nd6 Be8 22. c5 b6 23. b4 a5 24. b5 Na7 25. cxb6 Nxb5 26. b7 Rab8 27. Nc8 Qc7 28. Rxd8 Qxd8 29. a4 Nc7 30. Ba2 Qd2 31. Bc4 Qb4 32. Rb1 Qxa4 33. Nd6 Qc6 34. Qf4 a4 35. Nxe8 Rxb7 36. Rxb7 Qxb7 37. Qxf7+ Kxf7 38. Nd6+ Ke7 39. Nxb7 Nd5 40. Nc5 a3 41. Kf1 Nb4 42. Nxe6 a2 43. Bxa2 Nxa2 44. Nf4 Nc3 45. Ke1 Kf6 46. Kd2 Ne4+ 47. Ke3 Nd6 48. Kf3 Kf5 49. Nd5 Ke6 50. Ne3 Ke5 51. g3 Nf7 52. h4 Nd6 53. Ng4+ Kf5 54. Ne3+ Ke5 55. g4 Nf7 56. Nc4+ Kd5 57. Nb6+ Kc6 58. Nc4 Kd5 59. Nd2 Ke5 60. Kg3 Nd6 61. f4+ Kf6 62. Kf3 Ke6 63. Ne4 Nf7 64. Ng5+ Nxg5+ 65. hxg5 Kd5 66. Ke3 Kd6 67. Kd4 Ke6 68. Kc5 Ke7 69. Kd5 Kd7 70. Ke5 Ke7 71. f5 Kf7 72. Kd6 Kf8 73. Ke6 Ke8 74. f6 Kf8 75. f7 Kg7 76. Ke7 h6 77. f8Q+ Kh7 78. gxh6 g5 79. Qg7# 1-0

[Event "Krefeld op"]
[Site "Krefeld"]
[Date "2022.08.07"]
[Round "6"]
[White "Bub, Volker"]
[Black "Markgraf, Jonas"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "2058"]
[BlackElo "2020"]
[PlyCount "45"]
[EventDate "2022.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 b5 3. Bg2 Bb7 4. 0-0 e6 5. d3 d5 6. Nbd2 Be7 7. e4 dxe4 8. dxe4 Nxe4 9. Ne5 Nd6 10. Bxb7 Nxb7 11. Qf3 Qd5 12. Qxf7+ Kd8 13. Qxg7 Re8 14. Ndf3 Nd6 15. Bg5 Bxg5 16. Nxg5 Kc8 17. Rfd1 Qc5 18. Rd3 Nf5 19. Qf6 Kb7 20. Nxe6 Qe7 21. Nd8+ Rxd8 22. Qxe7 Nxe7 23. Rxd8 1-0

[Event "Krefeld op"]
[Site "Krefeld"]
[Date "2022.08.07"]
[Round "7"]
[White "Markgraf, Jonas"]
[Black "Meyer Jany, Marcel"]
[Result "1/2-1/2"]
[ECO "B11"]
[WhiteElo "2020"]
[BlackElo "1761"]
[PlyCount "44"]
[EventDate "2022.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. e4 c6 2. Nc3 d5 3. Nf3 Bg4 4. h3 Bxf3 5. Qxf3 e6 6. d4 Nf6 7. exd5 exd5 8. Bd3 Bd6 9. Bg5 Nbd7 10. 0-0 0-0 11. Rfe1 Qb6 12. Ne2 Rfe8 13. c3 Ne4 14. Be3 Ndf6 15. b3 Qa5 16. c4 Ba3 17. g4 Bb2 18. Rad1 Nc3 19. Nxc3 Bxc3 20. Re2 Ne4 21. c5 Qb4 22. Bb1 Re6 1/2-1/2

[Event "Krefeld op"]
[Site "Krefeld"]
[Date "2022.08.06"]
[Round "4"]
[White "Clijsen, Mark"]
[Black "Markgraf, Jonas"]
[Result "1-0"]
[ECO "A47"]
[WhiteElo "2156"]
[BlackElo "2020"]
[PlyCount "69"]
[EventDate "2022.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 b6 3. Nf3 Bb7 4. e3 Nh5 5. Bg3 Nxg3 6. hxg3 e6 7. Bd3 h6 8. Nbd2 d6 9. Qe2 Nd7 10. e4 e5 11. 0-0-0 Qe7 12. Ba6 Bxa6 13. Qxa6 g6 14. dxe5 Bg7 15. Qb7 0-0 16. Qxc7 Rfc8 17. Qxd6 Qe8 18. e6 fxe6 19. Nb3 Nc5 20. Nxc5 Rxc5 21. Qd7 Qf8 22. Qxe6+ Kh8 23. Rd2 Rac8 24. Rhd1 R5c6 25. Qb3 a5 26. e5 b5 27. Qxb5 Rc5 28. Qd7 R5c7 29. Qxc7 Rxc7 30. Rd8 Qxd8 31. Rxd8+ Kh7 32. Kd2 Rc5 33. Re8 a4 34. b3 axb3 35. axb3 1-0

[Event "Krefeld op"]
[Site "Krefeld"]
[Date "2022.08.06"]
[Round "5"]
[White "Markgraf, Jonas"]
[Black "Vestrick, Frank"]
[Result "1-0"]
[ECO "B09"]
[WhiteElo "2020"]
[BlackElo "1867"]
[PlyCount "29"]
[EventDate "2022.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 c6 5. Nf3 Bg7 6. Be2 0-0 7. 0-0 Qc7 8. e5 dxe5 9. fxe5 Nd5 10. Nxd5 cxd5 11. c3 f5 12. Qe1 h6 13. Qh4 Kf7 14. Qg3 Rg8 15. e6+ 1-0

[Event "Krefeld op"]
[Site "Krefeld"]
[Date "2022.08.05"]
[Round "2"]
[White "Luebke, Robin"]
[Black "Markgraf, Jonas"]
[Result "0-1"]
[ECO "B33"]
[BlackElo "2020"]
[PlyCount "78"]
[EventDate "2022.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Nd5 Be7 10. Bxf6 Bxf6 11. c3 Bg5 12. Nc2 0-0 13. a4 bxa4 14. Rxa4 Ne7 15. Nxe7+ Qxe7 16. Bd3 Bb7 17. 0-0 Bc6 18. Ra1 Qb7 19. Nb4 Bxe4 20. Bxe4 Qxe4 21. Re1 Qg6 22. Rxa6 Rxa6 23. Nxa6 h5 24. Nb4 h4 25. h3 f5 26. Nd5 e4 27. f3 Qf7 28. f4 Bd8 29. Qd4 Qb7 30. b4 Bf6 31. Nxf6+ Rxf6 32. Ra1 Rg6 33. Ra7 Qb5 34. Ra8+ Kh7 35. Qf2 Rg3 36. Ra5 Qd3 37. Qa2 e3 38. Rd5 e2 39. Kh2 Rxg2+ 0-1

[Event "Krefeld op"]
[Site "Krefeld"]
[Date "2022.08.05"]
[Round "3"]
[White "Markgraf, Jonas"]
[Black "Schouten, Jordy"]
[Result "1/2-1/2"]
[ECO "B60"]
[WhiteElo "2020"]
[BlackElo "2126"]
[PlyCount "109"]
[EventDate "2022.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 g6 7. Bxf6 exf6 8. Bc4 Bg7 9. Ndb5 0-0 10. 0-0 f5 11. Nxd6 fxe4 12. Ndxe4 Qh4 13. Bb3 Bf5 14. Ng3 Bg4 15. Qd5 Rad8 16. Qb5 Rd7 17. Nce4 Bxb2 18. Bxf7+ Rfxf7 19. Qxb2 Nd4 20. f3 Be6 21. Nc5 Rc7 22. Nxe6 Nxe6 23. Rad1 Qc4 24. Rfe1 Rfd7 25. Rxd7 Rxd7 26. Ne4 Qd4+ 27. Qxd4 Rxd4 28. c3 Ra4 29. Re2 b6 30. Rd2 h6 31. Kf2 Kf7 32. Ke3 Ke7 33. g3 Ra3 34. Kd3 Nc7 35. Kc4 Ra5 36. Re2 Kd7 37. Rd2+ Ke7 38. h4 Ne6 39. Re2 Kd7 40. Nf6+ Kd6 41. Ne4+ Kd7 42. Nf6+ Kd6 43. Rd2+ Kc6 44. Ne4 Kc7 45. Kb4 Re5 46. a4 Kc6 47. c4 a5+ 48. Kc3 Nc5 49. Nxc5 Kxc5 50. Rd3 Re1 51. Rd5+ Kc6 52. Rd3 Ra1 53. Kb3 Rb1+ 54. Kc3 Ra1 55. Kb3 1/2-1/2

[Event "Krefeld op"]
[Site "Krefeld"]
[Date "2022.08.04"]
[Round "1"]
[White "Markgraf, Jonas"]
[Black "Reichard, Sven"]
[Result "1-0"]
[ECO "B78"]
[WhiteElo "2020"]
[BlackElo "1468"]
[PlyCount "89"]
[EventDate "2022.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Qd2 Bd7 9. Bc4 Nc6 10. 0-0-0 Rc8 11. Bb3 Ne5 12. h4 h5 13. Bg5 Nc4 14. Bxc4 Rxc4 15. Nb3 b5 16. e5 Ne8 17. exd6 Nxd6 18. Qxd6 exd6 19. Bxd8 Rxd8 20. Rxd6 Bxc3 21. bxc3 Rxc3 22. Rhd1 Rc7 23. R6d5 Kf8 24. Nc5 Ke7 25. Re1+ Kf8 26. Ree5 Kg7 27. g4 Rdc8 28. Nxd7 Rxc2+ 29. Kd1 Rxa2 30. Nc5 hxg4 31. fxg4 Rh2 32. h5 gxh5 33. Rg5+ Kh6 34. Rxh5+ Rxh5 35. Rxh5+ Kg6 36. Nd3 Rd8 37. Kc2 Rd4 38. Rxb5 f6 39. Ra5 Rxg4 40. Rxa7 Kg5 41. Kd2 Re4 42. Rg7+ Kh6 43. Rg2 Re8 44. Nf4 Rf8 45. Rh2+ 1-0

[Event "NRW Class1 1819"]
[Site "Germany"]
[Date "2018.10.14"]
[Round "2.8"]
[White "Markgraf, Jonas"]
[Black "Evers, Leo"]
[Result "0-1"]
[ECO "B33"]
[WhiteElo "2035"]
[BlackElo "1997"]
[PlyCount "70"]
[EventDate "2018.09.16"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Krefelder Turm"]
[BlackTeam "Porz SG II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Bxf6 gxf6 10. Nd5 f5 11. Bd3 Be6 12. c3 Bxd5 13. exd5 Ne7 14. Qh5 Qc8 15. 0-0 e4 16. Bc2 Rg8 17. Rae1 Ng6 18. Kh1 Nf4 19. Qxh7 Rg7 20. Rxe4+ fxe4 21. Qxe4+ Be7 22. Qxf4 Qg4 23. Qxg4 Rxg4 24. Re1 Kf8 25. h3 Rh4 26. Bf5 Rf4 27. Bd3 Rxf2 28. Nc2 Rd2 29. Be4 Bh4 30. Rf1 Re8 31. Bg6 Bf2 32. Bf5 Ree2 33. Nb4 Bb6 34. Be6 Rxg2 35. Rxf7+ Ke8 0-1

[Event "Goch op 20th"]
[Site "Goch"]
[Date "2009.10.04"]
[Round "6"]
[White "Frericks, Harald"]
[Black "Markgraf, Jonas"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "2284"]
[BlackElo "2081"]
[PlyCount "69"]
[EventDate "2009.10.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 c5 2. c3 e6 3. d4 d5 4. e5 Nc6 5. Nf3 Qb6 6. a3 c4 7. Nbd2 Bd7 8. b3 cxb3 9. Nxb3 Na5 10. Nxa5 Qxa5 11. Bd2 Qa4 12. Qb1 b6 13. Bd3 Ne7 14. 0-0 Nf5 15. g4 Nh6 16. h3 Be7 17. Ng5 Rc8 18. Nxh7 Ng8 19. f4 Rc4 20. Rf3 Qc6 21. Ng5 Nh6 22. f5 Kd8 23. fxe6 fxe6 24. Bxc4 dxc4 25. Qe4 Qc8 26. Qg6 Bxg5 27. Qxg5+ Kc7 28. Qxg7 Nf5 29. Rxf5 exf5 30. e6 Rxh3 31. Bf4+ Kc6 32. d5+ Kc5 33. Qe7+ Kxd5 34. exd7 Qc5+ 35. Qxc5+ 1-0

[Event "Goch op 20th"]
[Site "Goch"]
[Date "2009.10.04"]
[Round "7"]
[White "Markgraf, Jonas"]
[Black "Kabos, Tobias"]
[Result "1/2-1/2"]
[ECO "B52"]
[WhiteElo "2081"]
[BlackElo "2175"]
[PlyCount "102"]
[EventDate "2009.10.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. a4 Nc6 5. 0-0 g6 6. c3 Bg7 7. d4 cxd4 8. cxd4 Nf6 9. Nc3 0-0 10. Be3 Na5 11. Bxd7 Qxd7 12. Qd3 Rfc8 13. Nd2 Ng4 14. Bg5 Nc6 15. h3 Nf6 16. Be3 Nb4 17. Qb1 e6 18. Ra3 Ne8 19. f4 f5 20. Rb3 a5 21. e5 d5 22. Nb5 Bf8 23. Bf2 Nc7 24. Nc3 Be7 25. Nf3 b5 26. Nxb5 Nxb5 27. axb5 Qxb5 28. Be1 Rc4 29. g4 Rac8 30. Bxb4 Bxb4 31. gxf5 Rc2 32. Re3 exf5 33. Ne1 Bxe1 34. Rfxe1 Qb4 35. Qd1 Rc1 36. Qxc1 Rxc1 37. Rxc1 Qxd4 38. Rce1 g5 39. e6 Kf8 40. e7+ Ke8 41. Kh1 Qxb2 42. Re5 Qf2 43. fxg5 a4 44. R5e2 Qf3+ 45. Kh2 f4 46. Rg2 a3 47. Re6 a2 48. Ra6 d4 49. Raxa2 d3 50. g6 hxg6 51. Rxg6 Kxe7 1/2-1/2

[Event "Goch op 20th"]
[Site "Goch"]
[Date "2009.10.03"]
[Round "4"]
[White "Markgraf, Jonas"]
[Black "Gandrud, Vegar Koi"]
[Result "1-0"]
[ECO "B51"]
[WhiteElo "2081"]
[BlackElo "2170"]
[PlyCount "87"]
[EventDate "2009.10.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nc6 4. 0-0 Bd7 5. Re1 Nf6 6. c3 a6 7. Ba4 b5 8. Bc2 e5 9. d4 Be7 10. d5 Na5 11. Nbd2 0-0 12. Nf1 Ne8 13. Ng3 g6 14. h3 Ng7 15. Nh2 Bg5 16. a4 c4 17. axb5 axb5 18. Nf3 Be7 19. Ra3 Nb7 20. Rxa8 Qxa8 21. Nh2 Qc8 22. Be3 Nc5 23. Qe2 Bd8 24. Ra1 Bb6 25. Bg5 f6 26. Bh6 Rf7 27. Ng4 Bxg4 28. hxg4 Ra7 29. Rxa7 Bxa7 30. g5 Ne8 31. Qf3 Kf7 32. gxf6 Qa6 33. Nf5 Nxf6 34. Ne3 Ncd7 35. Ng4 Bb6 36. Bg5 Bd8 37. Nh6+ Ke8 38. Qh3 Qa1+ 39. Kh2 Qxb2 40. Qe6+ Be7 41. Bd1 Qxf2 42. Bf3 Qb6 43. Qf7+ Kd8 44. Ng8 1-0

[Event "Goch op 20th"]
[Site "Goch"]
[Date "2009.10.03"]
[Round "5"]
[White "Markgraf, Jonas"]
[Black "Meertens, Martin"]
[Result "1-0"]
[ECO "B52"]
[WhiteElo "2081"]
[BlackElo "2132"]
[PlyCount "110"]
[EventDate "2009.10.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. a4 Nc6 5. 0-0 e6 6. Re1 Nge7 7. d4 cxd4 8. Nxd4 Nxd4 9. Bxd7+ Qxd7 10. Qxd4 Nc6 11. Qd1 Be7 12. Nc3 0-0 13. Bf4 Rfd8 14. Qg4 Bf6 15. Qg3 Ne5 16. Rad1 a6 17. Bc1 Qc6 18. f4 Ng6 19. Re3 b5 20. axb5 axb5 21. f5 Ne5 22. fxe6 fxe6 23. Qh3 Re8 24. Qh5 g6 25. Qe2 Reb8 26. Rg3 b4 27. Nb1 Ra1 28. Bf4 Bg7 29. c3 b3 30. Nd2 Ra4 31. Bxe5 Bxe5 32. Rd3 Rf8 33. Rf3 Rxf3 34. Qxf3 Ra2 35. Rf1 Qe8 36. Nc4 Qe7 37. Nxe5 dxe5 38. Qf2 Qa7 39. Qxa7 Rxa7 40. Kf2 Ra2 41. Rb1 Kf7 42. Ke3 Ke7 43. Kd3 Ra4 44. c4 Kd6 45. Rc1 Kc5 46. Rc3 Rb4 47. Rc1 Ra4 48. g3 h5 49. h4 Rb4 50. Ra1 Rb7 51. Ra5+ Kd6 52. Ra6+ Kd7 53. Kc3 Rb8 54. Ra3 Rf8 55. Rxb3 Kc6 1-0

[Event "Goch op 20th"]
[Site "Goch"]
[Date "2009.10.02"]
[Round "3"]
[White "Kostowski, Ireneus"]
[Black "Markgraf, Jonas"]
[Result "0-1"]
[ECO "E83"]
[WhiteElo "1873"]
[BlackElo "2081"]
[PlyCount "114"]
[EventDate "2009.10.01"]
[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. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 Nc6 7. Qd2 a6 8. g4 e5 9. d5 Nd4 10. Bh6 Nxe4 11. Nxe4 Qh4+ 12. Qf2 Qxf2+ 13. Kxf2 Bxh6 14. g5 f5 15. gxf6 Bf5 16. Bd3 Bxe4 17. Bxe4 Rxf6 18. Ne2 Nxf3 19. Bxf3 Raf8 20. Ng1 e4 21. Re1 exf3 22. Re7 Bc1 23. b3 Ba3 24. Nh3 Bc5+ 25. Kg3 R6f7 26. Rxf7 Rxf7 27. Ng5 Rf5 28. Nxf3 h6 29. Re1 Kf7 30. Re4 c6 31. dxc6 bxc6 32. Kg4 Bf2 33. Nh4 Bxh4 34. Kxh4 Rf2 35. Kg3 Rxa2 36. Rd4 Ke6 37. Re4+ Kf6 38. Rf4+ Ke5 39. Rg4 g5 40. h4 Rb2 41. hxg5 Rxb3+ 42. Kf2 hxg5 43. Rxg5+ Kd4 44. Rg6 Kc5 45. Ke2 Rc3 46. Rg5+ Kxc4 47. Ra5 Rc2+ 48. Ke3 d5 49. Rxa6 d4+ 50. Ke4 Re2+ 51. Kf3 Re3+ 52. Kf2 c5 53. Ra2 Re5 54. Ra3 d3 55. Ra2 Kb3 56. Ra5 d2 57. Ra1 c4 0-1

[Event "Goch op 20th"]
[Site "Goch"]
[Date "2009.10.02"]
[Round "2"]
[White "Markgraf, Jonas"]
[Black "Hug, Marcel"]
[Result "0-1"]
[ECO "C41"]
[WhiteElo "2081"]
[BlackElo "2326"]
[PlyCount "70"]
[EventDate "2009.10.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Be7 6. Be2 0-0 7. 0-0 Re8 8. Be3 Nbd7 9. Qd2 Ne5 10. f3 c5 11. Nb3 a6 12. a4 Be6 13. Nd5 Nxd5 14. exd5 Bd7 15. a5 Bf6 16. Rfe1 b5 17. axb6 Qxb6 18. Ra3 Bb5 19. Bxb5 Qxb5 20. Na5 Qxb2 21. Rb3 Qa2 22. f4 Ng4 23. Nc6 g6 24. f5 Nxe3 25. Rbxe3 Rxe3 26. Rxe3 Bg5 27. Ne7+ Kf8 28. fxg6 Bxe3+ 29. Qxe3 Qa1+ 30. Kf2 Qf6+ 31. Kg1 hxg6 32. Nc6 a5 33. g4 Re8 34. Qg3 Re2 35. g5 Qa1+ 0-1

[Event "Goch op 20th"]
[Site "Goch"]
[Date "2009.10.01"]
[Round "1"]
[White "Hettema, Jan"]
[Black "Markgraf, Jonas"]
[Result "0-1"]
[ECO "A06"]
[WhiteElo "1544"]
[BlackElo "2081"]
[PlyCount "90"]
[EventDate "2009.10.01"]
[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. b3 c5 3. Bb2 e6 4. g3 d5 5. Bg2 Nc6 6. d3 Be7 7. 0-0 0-0 8. Re1 d4 9. Nbd2 Nd7 10. Nc4 b5 11. Nce5 Ncxe5 12. Nxe5 Qc7 13. Nf3 Bb7 14. e4 Nf6 15. Bc1 e5 16. Nh4 Nd7 17. Nf5 Bf6 18. Qg4 g6 19. Nh6+ Kh8 20. Bg5 Bxg5 21. Qxg5 Qd8 22. Qg4 Bc8 23. h3 Qf6 24. Qe2 Qg5 25. Ng4 Rb8 26. h4 Qe7 27. Qd2 Nf6 28. Nh2 Ng4 29. Qe2 Nxh2 30. Kxh2 h6 31. Rf1 Be6 32. f4 Bc8 33. Bh3 Rb6 34. Rf2 exf4 35. gxf4 Qc7 36. Raf1 c4 37. e5 cxb3 38. cxb3 Rc6 39. e6 Re8 40. Re1 Qd6 41. Kg2 Bxe6 42. f5 Bd5+ 43. Kf1 Rxe2 44. Rexe2 Rc1+ 45. Re1 Rxe1+ 0-1

[Event "Dortmund op"]
[Site "Dortmund"]
[Date "2009.07.11"]
[Round "8"]
[White "Markgraf, Jonas"]
[Black "Fichtner, Ewald"]
[Result "1-0"]
[ECO "B10"]
[WhiteElo "2083"]
[BlackElo "1942"]
[PlyCount "131"]
[EventDate "2009.07.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 131 Extra"]
[Source "ChessBase"]
[SourceDate "2009.09.03"]
[SourceVersion "2"]
[SourceVersionDate "2009.09.16"]
[SourceQuality "1"]

1. e4 c6 2. Nf3 d5 3. exd5 cxd5 4. Ne5 Nf6 5. Bb5+ Bd7 6. Nxd7 Nbxd7 7. d4 e6 8. 0-0 a6 9. Bd3 Bd6 10. c3 Qc7 11. h3 0-0 12. Be3 b5 13. a3 Bf4 14. Bxf4 Qxf4 15. Qd2 Qxd2 16. Nxd2 Nb6 17. Nb3 Nc4 18. Rfb1 Nd7 19. f4 f5 20. Kf2 Ndb6 21. Nc5 Kf7 22. Ke2 Nd6 23. Re1 Ne4 24. g4 g6 25. Bxe4 fxe4 26. b3 Ke7 27. Ke3 Ra7 28. Rf1 Kd6 29. a4 bxa4 30. Nxa4 Nxa4 31. Rxa4 Kc6 32. Rfa1 Rfa8 33. Ra5 Kb6 34. c4 Rd7 35. c5+ Kb7 36. c6+ Kxc6 37. Rxa6+ Rxa6 38. Rxa6+ Kb5 39. Rxe6 Kb4 40. Rb6+ Kc3 41. Rb5 Rd6 42. Rb7 h5 43. Rb5 hxg4 44. hxg4 Rd7 45. f5 gxf5 46. gxf5 Rd6 47. f6 Rd7 48. f7 Rxf7 49. Rxd5 Kxb3 50. Kxe4 Kc4 51. Rc5+ Kb4 52. Rc1 Kb5 53. Ke5 Kb6 54. d5 Rf2 55. Ke6 Re2+ 56. Kd7 Kb7 57. Rb1+ Ka7 58. d6 Ka8 59. Kd8 Ka7 60. d7 Re3 61. Rb4 Rc3 62. Ke7 Re3+ 63. Kd6 Rd3+ 64. Kc6 Ka8 65. d8Q+ Rxd8 66. Kc7 1-0

[Event "Dortmund op"]
[Site "Dortmund"]
[Date "2009.07.10"]
[Round "7"]
[White "Hoegy, Kevin"]
[Black "Markgraf, Jonas"]
[Result "1-0"]
[ECO "E99"]
[WhiteElo "2167"]
[BlackElo "2083"]
[PlyCount "75"]
[EventDate "2009.07.04"]
[EventType "swiss"]
[EventRounds "9"]
[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 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. Nf3 e5 7. 0-0 Nc6 8. d5 Ne7 9. Ne1 Nd7 10. Nd3 f5 11. Bd2 Nf6 12. f3 f4 13. c5 g5 14. cxd6 cxd6 15. Nf2 Rf7 16. Qc2 Ng6 17. Rfc1 Rc7 18. Qb3 Bf8 19. Nb5 Rg7 20. Rc2 h5 21. Rac1 g4 22. Nc7 g3 23. Nxa8 gxf2+ 24. Kxf2 Bd7 25. Nc7 Nh4 26. g3 fxg3+ 27. hxg3 Ng6 28. Ne6 Bxe6 29. dxe6 Ne7 30. Rc8 Qb6+ 31. Qxb6 axb6 32. Bh6 Nxc8 33. Rxc8 h4 34. gxh4 Kh7 35. Bxg7 Kxg7 36. Rc7+ Kg6 37. e7 Bh6 38. Bb5 1-0

[Event "Dortmund op"]
[Site "Dortmund"]
[Date "2009.07.09"]
[Round "6"]
[White "Markgraf, Jonas"]
[Black "Boehm, Juergen1"]
[Result "1/2-1/2"]
[ECO "C17"]
[WhiteElo "2083"]
[BlackElo "2242"]
[PlyCount "65"]
[EventDate "2009.07.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 131 Extra"]
[Source "ChessBase"]
[SourceDate "2009.09.03"]
[SourceVersion "2"]
[SourceVersionDate "2009.09.16"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. Qg4 Ne7 6. dxc5 Nbc6 7. Nf3 d4 8. Bb5 Kf8 9. a3 Bxc3+ 10. bxc3 Qa5 11. Bxc6 Qxc3+ 12. Ke2 Qxc2+ 13. Bd2 Qc4+ 14. Ke1 Nxc6 15. Rc1 Qd3 16. Rd1 Qf5 17. Qxf5 exf5 18. Bf4 h6 19. Nxd4 Nxd4 20. Rxd4 g5 21. Bd2 Be6 22. Ke2 Kg7 23. Rd1 Rhc8 24. Rc1 Rc6 25. Rd6 Rac8 26. Bb4 f4 27. Rxc6 Rxc6 28. f3 b6 29. Kd2 Kg6 30. cxb6 Rxc1 31. b7 Rc8 32. bxc8Q Bxc8 33. Bc5 1/2-1/2

[Event "Dortmund op"]
[Site "Dortmund"]
[Date "2009.07.08"]
[Round "5"]
[White "Karger, Frank"]
[Black "Markgraf, Jonas"]
[Result "1-0"]
[ECO "A01"]
[WhiteElo "2253"]
[BlackElo "2083"]
[PlyCount "65"]
[EventDate "2009.07.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 131 Extra"]
[Source "ChessBase"]
[SourceDate "2009.09.03"]
[SourceVersion "2"]
[SourceVersionDate "2009.09.16"]
[SourceQuality "1"]

1. b3 Nf6 2. Bb2 g6 3. Bxf6 exf6 4. c4 f5 5. Nc3 Bg7 6. g3 Nc6 7. Bg2 d6 8. e3 Bd7 9. d4 Rb8 10. Nge2 a6 11. Rc1 Ne7 12. Nf4 Bc6 13. Ncd5 Nxd5 14. cxd5 Bd7 15. Rc3 0-0 16. Qc2 c5 17. dxc6 Bxc6 18. Bxc6 bxc6 19. Rxc6 Qa5+ 20. Qd2 Qb5 21. Rc2 Rbc8 22. Ne2 h5 23. h4 Qd5 24. 0-0 Rxc2 25. Qxc2 Qf3 26. Nf4 Bf6 27. Rc1 Re8 28. Qc6 Re4 29. Qxd6 Be7 30. Qc6 g5 31. Qh6 gxf4 32. Rc8+ Bf8 33. Rxf8# 1-0

[Event "Dortmund op"]
[Site "Dortmund"]
[Date "2009.07.07"]
[Round "4"]
[White "Markgraf, Jonas"]
[Black "Dehne, Mirko"]
[Result "1-0"]
[ECO "B45"]
[WhiteElo "2083"]
[BlackElo "2219"]
[PlyCount "67"]
[EventDate "2009.07.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 131 Extra"]
[Source "ChessBase"]
[SourceDate "2009.09.03"]
[SourceVersion "2"]
[SourceVersionDate "2009.09.16"]
[SourceQuality "1"]

1. Nf3 c5 2. e4 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Be3 Bb4 7. Bd3 d5 8. 0-0 Bxc3 9. bxc3 dxe4 10. Bb5 Qc7 11. Bg5 Bd7 12. Qe2 Nd5 13. Qxe4 Nxc3 14. Qd3 Nxd4 15. Qxd4 Bxb5 16. Qxg7 Rf8 17. Rfe1 Ne2+ 18. Kh1 Qc3 19. Bf6 Qc4 20. Rad1 Bc6 21. Rd2 Nf4 22. Red1 Nd5 23. Bg5 Kd7 24. Qxh7 Rae8 25. Rd4 Qc5 26. c4 b5 27. cxd5 Bxd5 28. h4 Kc8 29. Rc1 Bc4 30. Qe4 Kb8 31. Rdxc4 bxc4 32. Rb1+ Kc7 33. Rb7+ Kd6 34. Qf3 1-0

[Event "Dortmund op"]
[Site "Dortmund"]
[Date "2009.07.06"]
[Round "3"]
[White "Iwanziw, Niklas"]
[Black "Markgraf, Jonas"]
[Result "0-1"]
[ECO "E99"]
[WhiteElo "1871"]
[BlackElo "2083"]
[PlyCount "60"]
[EventDate "2009.07.04"]
[EventType "swiss"]
[EventRounds "9"]
[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 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 e5 7. 0-0 Nc6 8. d5 Ne7 9. Ne1 Nd7 10. Nd3 f5 11. Bd2 Nf6 12. f3 f4 13. c5 g5 14. cxd6 cxd6 15. Nf2 Rf7 16. Qc2 Ng6 17. Rfc1 Rc7 18. Qb3 Bf8 19. Nb5 Rg7 20. Rc2 a6 21. Qa3 Nh4 22. Rac1 g4 23. Ba5 b6 24. Nc7 Rb8 25. Bb4 g3 26. hxg3 Rxg3 27. Kh1 Nxg2 28. Rg1 Nxe4 29. Rxg2 Qh4+ 30. Rh2 Nxf2# 0-1

[Event "Dortmund op"]
[Site "Dortmund"]
[Date "2009.07.05"]
[Round "2"]
[White "Markgraf, Jonas"]
[Black "Hansch, Karsten"]
[Result "1/2-1/2"]
[ECO "B52"]
[WhiteElo "2083"]
[BlackElo "1831"]
[PlyCount "73"]
[EventDate "2009.07.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 131 Extra"]
[Source "ChessBase"]
[SourceDate "2009.09.03"]
[SourceVersion "2"]
[SourceVersionDate "2009.09.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. a4 a6 5. Bxd7+ Nxd7 6. 0-0 Ngf6 7. Re1 e6 8. c3 Be7 9. d4 0-0 10. Bf4 Qb6 11. Qd2 d5 12. exd5 Nxd5 13. Be3 Nxe3 14. fxe3 Nf6 15. Qc2 Rac8 16. Nbd2 Rfd8 17. Nc4 Qa7 18. Qb3 Nd7 19. Nfe5 Nxe5 20. Nxe5 Bd6 21. Nc4 Qb8 22. Nxd6 Rxd6 23. Rf1 Rd5 24. Rf3 b5 25. axb5 cxd4 26. c4 Rdc5 27. exd4 Rxc4 28. bxa6 Qa7 29. Qb7 Qxd4+ 30. Kh1 R4c7 31. Qb5 Qa7 32. h3 g6 33. Qf1 Rb8 34. Qf2 Qxf2 35. Rxf2 Ra7 36. Rc2 Rb6 37. Rc8+ 1/2-1/2

[Event "Dortmund op"]
[Site "Dortmund"]
[Date "2009.07.04"]
[Round "1"]
[White "Hausrath, Daniel"]
[Black "Markgraf, Jonas"]
[Result "1-0"]
[ECO "A35"]
[WhiteElo "2519"]
[BlackElo "2083"]
[PlyCount "109"]
[EventDate "2009.07.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 131 Extra"]
[Source "ChessBase"]
[SourceDate "2009.09.03"]
[SourceVersion "2"]
[SourceVersionDate "2009.09.16"]
[SourceQuality "1"]

1. Nf3 c5 2. c4 Nc6 3. Nc3 d6 4. e3 Nf6 5. d4 cxd4 6. exd4 Bg4 7. Be2 e6 8. d5 exd5 9. cxd5 Bxf3 10. Bxf3 Ne5 11. Be2 a6 12. Be3 Be7 13. Qb3 b5 14. a4 0-0 15. axb5 axb5 16. 0-0 b4 17. Qxb4 Rb8 18. Bb5 Nfg4 19. Ba7 Rb7 20. Qa3 Qc7 21. Bd4 Bf6 22. Qa4 Rfb8 23. Rfc1 Qe7 24. Re1 Qd8 25. Re4 h5 26. Rae1 Kh7 27. h3 Nh6 28. Qa6 Re7 29. Bd3 g6 30. Bxe5 Rxe5 31. Qa1 Qb6 32. R1e2 Qb3 33. Qa6 Rb6 34. Qc4 Rxe4 35. Qxb3 Rxb3 36. Nxe4 Bxb2 37. Bc4 Rb4 38. Nxd6 Bd4 39. Ba2 Ra4 40. Nb5 Bb6 41. d6 Nf5 42. Nc3 Rd4 43. Nd5 Rd1+ 44. Kh2 Bd8 45. d7 Nd4 46. Re4 Ne6 47. Bc4 Kg7 48. g3 Rd2 49. Kg2 Nc7 50. Nxc7 Bxc7 51. Re7 Bb6 52. Rxf7+ Kh8 53. Rf6 Bc5 54. Rc6 Be7 55. Rxg6 1-0

[Event "Goch op 19th"]
[Site "Goch"]
[Date "2008.10.12"]
[Round "6"]
[White "Markgraf, Jonas"]
[Black "Wiegand, Christian"]
[Result "0-1"]
[ECO "B21"]
[WhiteElo "2086"]
[BlackElo "1937"]
[PlyCount "68"]
[EventDate "2008.10.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 e6 5. Bc4 a6 6. Nf3 b5 7. Bb3 Bb7 8. Qe2 d6 9. a3 Nd7 10. 0-0 Be7 11. Rd1 Qb8 12. Bf4 Ne5 13. Nxe5 dxe5 14. Be3 Nf6 15. f3 0-0 16. Qf2 Bc6 17. a4 Qb7 18. a5 Rfd8 19. Qg3 Rxd1+ 20. Rxd1 Nd7 21. Bc2 Qc7 22. f4 Qxa5 23. f5 Qb4 24. fxe6 fxe6 25. Bc1 Rf8 26. Qg4 Qc4 27. Bd3 Bc5+ 28. Kh1 Qxd3 29. Qxe6+ Kh8 30. Be3 Rf1+ 31. Bg1 Rxd1 32. Nxd1 Qxd1 33. Qe8+ Nf8 34. Qxc6 Qxg1# 0-1

[Event "Goch op 19th"]
[Site "Goch"]
[Date "2008.10.12"]
[Round "7"]
[White "Szczepanski, Krzysztof"]
[Black "Markgraf, Jonas"]
[Result "0-1"]
[ECO "E92"]
[WhiteElo "1871"]
[BlackElo "2086"]
[PlyCount "40"]
[EventDate "2008.10.09"]
[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. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. Nf3 e5 7. dxe5 dxe5 8. Qxd8 Rxd8 9. Bg5 Na6 10. Nd5 Nxd5 11. Bxd8 Nf4 12. Bf1 Be6 13. Bg5 Nb4 14. Rb1 Nbd3+ 15. Bxd3 Nxd3+ 16. Ke2 Bxc4 17. Ke3 f6 18. Bh4 Bh6+ 19. Ke2 Rd8 20. Bxf6 Nf4+ 0-1

[Event "Goch op 19th"]
[Site "Goch"]
[Date "2008.10.11"]
[Round "5"]
[White "De Gleria, Francesco"]
[Black "Markgraf, Jonas"]
[Result "1-0"]
[ECO "B53"]
[WhiteElo "2365"]
[BlackElo "2086"]
[PlyCount "41"]
[EventDate "2008.10.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 d6 4. d4 cxd4 5. Qxd4 Bd7 6. Qd3 g6 7. Nc3 Bg7 8. Bg5 Nf6 9. 0-0-0 0-0 10. e5 Ng4 11. exd6 Nxf2 12. Qe2 Nxd1 13. Rxd1 Bxc3 14. dxe7 Nxe7 15. Rxd7 Qa5 16. Bxe7 Qxa2 17. bxc3 Rfc8 18. Bf6 a6 19. Bd3 Rc6 20. Qe7 Rac8 21. Rd8+ 1-0

[Event "Goch op 19th"]
[Site "Goch"]
[Date "2008.10.11"]
[Round "4"]
[White "Markgraf, Jonas"]
[Black "Elser, Niklas"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2086"]
[BlackElo "1863"]
[PlyCount "129"]
[EventDate "2008.10.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 e5 4. Nf3 Nc6 5. cxd4 exd4 6. Nxd4 Bc5 7. Nb3 Bb6 8. Nc3 Qf6 9. Qd2 Nge7 10. Bb5 0-0 11. 0-0 a6 12. Be2 Qe5 13. Qf4 f5 14. Qxe5 Nxe5 15. Bg5 N7g6 16. Nd5 Ba7 17. Be7 Rf7 18. Bd6 fxe4 19. Rac1 Nc6 20. Nc7 Rb8 21. Bc4 b5 22. Bxf7+ Kxf7 23. Nc5 Nd4 24. Rfe1 Rb6 25. Nxe4 Bb7 26. Bc5 Rc6 27. Bxd4 Bxd4 28. Rxc6 Bxc6 29. Nd6+ Kf6 30. Nce8+ Kg5 31. Nf7+ Kf4 32. b3 d5 33. Ned6 Bc3 34. Rd1 d4 35. h3 Be4 36. f3 Bd5 37. Kf2 Bxf7 38. Nxf7 Ne7 39. g3+ Kf5 40. Nd6+ Ke5 41. Ne4 b4 42. Nc5 a5 43. Nd3+ Kd6 44. Nf4 Kc6 45. Ne6 Kd5 46. Nxg7 a4 47. Nh5 Kc5 48. Nf4 Nf5 49. Nd3+ Kb5 50. f4 Ne3 51. Rc1 a3 52. g4 Nd5 53. f5 Kc6 54. g5 Kd6 55. f6 Ke6 56. Rc2 h6 57. h4 Kf7 58. Ne5+ Kf8 59. Kf3 hxg5 60. hxg5 Kg8 61. f7+ Kg7 62. g6 Ne7 63. Rg2 d3 64. Nd7 Nxg6 65. f8Q+ 1-0

[Event "Goch op 19th"]
[Site "Goch"]
[Date "2008.10.10"]
[Round "3"]
[White "Densing, Gerd"]
[Black "Markgraf, Jonas"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1878"]
[BlackElo "2086"]
[PlyCount "90"]
[EventDate "2008.10.09"]
[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 g6 3. Nc3 d5 4. Bf4 c6 5. e3 Bg7 6. Be2 Nbd7 7. Qd2 Nh5 8. e4 Nxf4 9. Qxf4 dxe4 10. Nxe4 Nf6 11. Bc4 Nd5 12. Bxd5 Qxd5 13. c3 Bf5 14. Ng3 Be6 15. 0-0 0-0 16. Qc7 Qd7 17. Qxd7 Bxd7 18. Rfe1 Rfe8 19. Ne5 Be6 20. a3 Rad8 21. Nd3 Bc4 22. Ne5 Be6 23. Nd3 Bd5 24. Ne5 f6 25. Nd3 e5 26. dxe5 fxe5 27. Nb4 Bb3 28. Re2 a5 29. Nc2 Bc4 30. Ree1 Bb3 31. Re2 Bc4 32. Ree1 Rd2 33. Ne3 Bb3 34. Re2 Red8 35. Kf1 Bh6 36. Ke1 Bxe3 37. fxe3 Rd1+ 38. Rxd1 Rxd1+ 39. Kf2 Bc4 40. Re1 Rd2+ 41. Kf3 Rxb2 42. Rd1 e4+ 43. Kf4 Rf2+ 44. Ke5 Bd3 45. Nxe4 Rf5+ 0-1

[Event "Goch op 19th"]
[Site "Goch"]
[Date "2008.10.10"]
[Round "2"]
[White "Markgraf, Jonas"]
[Black "Saulin, Dmitri"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "2086"]
[BlackElo "2461"]
[PlyCount "144"]
[EventDate "2008.10.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 Nf6 4. e5 Nd5 5. cxd4 d6 6. Nf3 Nc6 7. Bc4 Nb6 8. Bb3 dxe5 9. Nxe5 Nxe5 10. dxe5 Qxd1+ 11. Bxd1 g6 12. Nc3 Bg7 13. f4 0-0 14. 0-0 Rd8 15. Bf3 Nc4 16. Bd5 Na5 17. Be3 e6 18. Be4 Nc4 19. Bc5 f5 20. Bf3 Nxb2 21. Nb5 Rd7 22. Nxa7 Nd3 23. Nxc8 Rxc8 24. Be3 Rc3 25. Bd2 Rc2 26. Be3 Bh6 27. Bd1 Rc3 28. Bb3 Kf7 29. Bd2 Rc8 30. Rad1 Nxe5 31. Bc1 Nd3 32. Ba3 Bf8 33. Rfe1 Rc6 34. Bxf8 Kxf8 35. Ba4 Nxe1 36. Rxd7 Rc3 37. Rxb7 Nd3 38. g3 Nc5 39. Rb8+ Ke7 40. Bb3 h5 41. Rb6 h4 42. Kg2 hxg3 43. hxg3 Kd7 44. Bd1 Rc1 45. Bb3 Ke7 46. Kf3 Kf6 47. Kg2 Rb1 48. Rb5 Rb2+ 49. Kg1 Ne4 50. Re5 Nxg3 51. Rxe6+ Kg7 52. Bc4 Nh5 53. Re7+ Kh6 54. a4 Rb4 55. Bb5 Nxf4 56. Be8 Rb2 57. Re3 Ra2 58. Rb3 Kg5 59. Kf1 Kg4 60. Bc6 g5 61. Bd7 Rd2 62. Bc6 Ne6 63. Ra3 Nd4 64. Bb7 Nc2 65. Rc3 f4 66. Bf3+ Kh4 67. a5 Ne3+ 68. Ke1 Ra2 69. Rc5 g4 70. Bb7 f3 71. Bxf3 gxf3 72. a6 f2# 0-1

[Event "Goch op 19th"]
[Site "Goch"]
[Date "2008.10.09"]
[Round "1"]
[White "Reinacher, Detlev"]
[Black "Markgraf, Jonas"]
[Result "0-1"]
[ECO "E90"]
[WhiteElo "1702"]
[BlackElo "2086"]
[PlyCount "72"]
[EventDate "2008.10.09"]
[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. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Bd3 e5 7. d5 a5 8. 0-0 Na6 9. h3 Nh5 10. a3 Nc5 11. Bc2 Nf4 12. Bxf4 exf4 13. Qd2 Qf6 14. Rab1 Bd7 15. Rfe1 Rfe8 16. Qd1 g5 17. Nh2 Qg6 18. f3 Be5 19. Na4 Na6 20. b4 axb4 21. axb4 b6 22. b5 Nc5 23. Nxc5 bxc5 24. Bd3 Ra2 25. Re2 Ra3 26. Rc2 Rea8 27. Qe2 Bd4+ 28. Kf1 h5 29. Ke1 Ra1 30. Rcc1 R1a2 31. Rc2 R2a3 32. Nf1 g4 33. fxg4 hxg4 34. hxg4 Bxg4 35. Qd2 Qf6 36. Rbc1 Qh4+ 0-1

[Event "Dortmund Sparkassen op"]
[Site "Dortmund"]
[Date "2008.07.06"]
[Round "9"]
[White "Muehlenhaus, Sven"]
[Black "Markgraf, Jonas"]
[Result "1/2-1/2"]
[ECO "E92"]
[WhiteElo "2208"]
[BlackElo "2048"]
[PlyCount "103"]
[EventDate "2008.06.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 125 Extra"]
[Source "ChessBase"]
[SourceDate "2008.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2008.09.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d6 5. e4 0-0 6. Be2 e5 7. dxe5 dxe5 8. Qxd8 Rxd8 9. Bg5 Na6 10. Nd5 Nxd5 11. Bxd8 Nf4 12. g3 Nxe2 13. Kxe2 Be6 14. Rhd1 Bxc4+ 15. Ke1 Nb4 16. Bxc7 Nc2+ 17. Kd2 Nxa1 18. Rxa1 f6 19. Kc3 Be6 20. Ba5 b6 21. Bb4 a5 22. Ba3 b5 23. Bc5 Rc8 24. b4 Bf8 25. a3 Bxc5 26. bxc5 Rxc5+ 27. Kb2 Rc4 28. Nd2 Rd4 29. Kc2 Ra4 30. Rb1 b4 31. axb4 axb4 32. Nb3 Ra3 33. Nd2 Rc3+ 34. Kd1 b3 35. Ke2 f5 36. f3 Kf7 37. Rb2 Ke7 38. h3 h5 39. Rb1 Kd6 40. exf5 gxf5 41. g4 hxg4 42. hxg4 e4 43. gxf5 exf3+ 44. Kf2 Bxf5 45. Rxb3 Rc2 46. Ke3 f2 47. Nf1 Bh3 48. Rd3+ Ke5 49. Rd1 Bg4 50. Rd2 Rxd2 51. Nxd2 f1Q 52. Nxf1 1/2-1/2

[Event "Dortmund Sparkassen op"]
[Site "Dortmund"]
[Date "2008.07.05"]
[Round "8"]
[White "Markgraf, Jonas"]
[Black "Zeldin, Leonid"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "2048"]
[BlackElo "2068"]
[PlyCount "71"]
[EventDate "2008.06.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 125 Extra"]
[Source "ChessBase"]
[SourceDate "2008.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2008.09.01"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 exd4 5. Nxd4 Be7 6. Be2 0-0 7. 0-0 a6 8. Be3 c5 9. Nb3 Nc6 10. f4 b6 11. Bf3 Bb7 12. e5 dxe5 13. fxe5 Nd7 14. Nd5 c4 15. Nd4 Ndxe5 16. Nxc6 Bxc6 17. Be4 Bg5 18. Bxg5 Qxg5 19. Rf5 Qh4 20. Rxe5 Bxd5 21. Bxd5 Rad8 22. Rh5 Qf6 23. Qf3 Qd4+ 24. Kh1 g6 25. Rd1 Qxb2 26. Rh4 Qxc2 27. Rhd4 Rde8 28. Rf1 Re7 29. Rf4 Qe2 30. Bxf7+ Kg7 31. Bxc4 Rd8 32. Rf7+ Rxf7 33. Qxf7+ Kh6 34. Bb3 a5 35. Qf4+ g5 36. Qf7 1-0

[Event "Dortmund Sparkassen op"]
[Site "Dortmund"]
[Date "2008.07.04"]
[Round "7"]
[White "Volkov, Mykyta"]
[Black "Markgraf, Jonas"]
[Result "0-1"]
[ECO "E92"]
[WhiteElo "2084"]
[BlackElo "2048"]
[PlyCount "85"]
[EventDate "2008.06.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 125 Extra"]
[Source "ChessBase"]
[SourceDate "2008.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2008.09.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 e5 7. d5 a5 8. Bg5 h6 9. Bh4 Na6 10. Nd2 Qe8 11. 0-0 Bd7 12. b3 Nh7 13. f3 h5 14. Rb1 Bh6 15. Bf2 f5 16. a3 Nc5 17. b4 axb4 18. axb4 Na4 19. Nxa4 Bxa4 20. Nb3 Nf6 21. Qd3 Bxb3 22. Rxb3 Ra2 23. c5 Rd2 24. Qc4 Qa4 25. Bd1 Qa2 26. Rc3 fxe4 27. Bb3 Qb2 28. Rc2 Rxc2 29. Bxc2 e3 30. Bg3 Qd4 31. Qxd4 exd4 32. Ra1 dxc5 33. bxc5 Nxd5 34. Bxg6 Bf4 35. Kf1 Bxg3 36. hxg3 h4 37. Ra4 hxg3 38. Rxd4 e2+ 39. Ke1 Nf4 40. Bd3 Nxg2+ 41. Kxe2 Nf4+ 42. Kf1 Kg7 43. Be4 0-1

[Event "Dortmund Sparkassen op"]
[Site "Dortmund"]
[Date "2008.07.03"]
[Round "5"]
[White "Holmsgaard, Henrik"]
[Black "Markgraf, Jonas"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "2324"]
[BlackElo "2048"]
[PlyCount "109"]
[EventDate "2008.06.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 125 Extra"]
[Source "ChessBase"]
[SourceDate "2008.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2008.09.01"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. f4 e6 4. Nf3 Nge7 5. d4 cxd4 6. Nxd4 Nxd4 7. Qxd4 Nc6 8. Qf2 d5 9. e5 Be7 10. Bd3 Nb4 11. 0-0 b6 12. Be3 Nxd3 13. cxd3 Ba6 14. Rfd1 Qc7 15. Ne2 Rc8 16. Nd4 Bc5 17. Nb3 0-0 18. Bxc5 bxc5 19. Nxc5 Qb6 20. d4 Rc6 21. Rdc1 Bc8 22. Qd2 f6 23. a4 Qb8 24. b4 fxe5 25. fxe5 Rc7 26. Rf1 Rcf7 27. b5 Qc7 28. a5 Rf5 29. Rxf5 Rxf5 30. Rf1 Qf7 31. Rxf5 Qxf5 32. Qd3 Qf4 33. Qc3 Qf5 34. Qb2 Qf4 35. g3 Qe3+ 36. Kg2 Qe1 37. b6 Ba6 38. Nxa6 Qe4+ 39. Kf2 axb6 40. axb6 Qh1 41. Ke3 Qg1+ 42. Kd3 Qf1+ 43. Kd2 Qf2+ 44. Kc3 Qe1+ 45. Kb3 Qd1+ 46. Kb4 Qe1+ 47. Kb5 Qf1+ 48. Ka5 Qe1+ 49. Qb4 Qa1+ 50. Qa4 Qc3+ 51. Nb4 Qc8 52. Qc6 Qd8 53. Ka6 Qf8 54. b7 Qxb4 55. Qe8+ 1-0

[Event "Dortmund Sparkassen op"]
[Site "Dortmund"]
[Date "2008.07.03"]
[Round "6"]
[White "Markgraf, Jonas"]
[Black "Weber, Hubert"]
[Result "1-0"]
[ECO "C17"]
[WhiteElo "2048"]
[BlackElo "2078"]
[PlyCount "78"]
[EventDate "2008.06.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 125 Extra"]
[Source "ChessBase"]
[SourceDate "2008.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2008.09.01"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. Qg4 g6 6. dxc5 Bxc3+ 7. bxc3 Bd7 8. Bd3 Nc6 9. Nf3 Qa5 10. Bd2 0-0-0 11. 0-0 Qxc5 12. Rab1 h6 13. Be3 Qxc3 14. Qa4 d4 15. Bd2 Qc5 16. Rb5 Qe7 17. Qb3 b6 18. Bb4 Nxb4 19. Rxb4 Bc6 20. Nxd4 Bb7 21. Rc4+ Kb8 22. Nc6+ Bxc6 23. Rxc6 Rc8 24. Rd6 Qc7 25. Qa4 Ne7 26. Rd7 Nd5 27. Rxc7 Rxc7 28. h3 Rd8 29. Qh4 g5 30. Qe4 Nf4 31. a4 Rd5 32. Be2 Rd4 33. Qf3 Rc3 34. Bd3 Rxa4 35. g3 Nxd3 36. cxd3 Rc7 37. Qf6 Ra5 38. Rb1 Ra2 39. Qxh6 Rcc2 1-0

[Event "Dortmund Sparkassen op"]
[Site "Dortmund"]
[Date "2008.07.02"]
[Round "4"]
[White "Overbeck, Thorsten"]
[Black "Markgraf, Jonas"]
[Result "1-0"]
[ECO "E98"]
[WhiteElo "2185"]
[BlackElo "2048"]
[PlyCount "77"]
[EventDate "2008.06.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 125 Extra"]
[Source "ChessBase"]
[SourceDate "2008.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2008.09.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. Nf3 e5 7. 0-0 Nc6 8. d5 Ne7 9. Ne1 Nd7 10. Nd3 f5 11. Bd2 f4 12. Bg4 b6 13. b4 Ba6 14. Nb2 Nf6 15. Be6+ Kh8 16. f3 g5 17. g3 fxg3 18. hxg3 Bh6 19. Kg2 Bc8 20. Rh1 Neg8 21. Bxc8 Rxc8 22. g4 Qd7 23. Qa4 Qf7 24. Raf1 Bg7 25. Qd1 c6 26. dxc6 Rxc6 27. Be3 Ne7 28. Ne2 Rxc4 29. Nxc4 Qxc4 30. Ng3 d5 31. Qb3 Qc6 32. b5 Qb7 33. Bxg5 dxe4 34. fxe4 Ng6 35. Qe6 Nxe4 36. Rxh7+ Kxh7 37. Rh1+ Bh6 38. Rxh6+ Kg7 39. Qxg6# 1-0

[Event "Dortmund Sparkassen op"]
[Site "Dortmund"]
[Date "2008.07.01"]
[Round "3"]
[White "Markgraf, Jonas"]
[Black "Richters, Marc"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2048"]
[BlackElo "1961"]
[PlyCount "97"]
[EventDate "2008.06.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 125 Extra"]
[Source "ChessBase"]
[SourceDate "2008.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2008.09.01"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 Nf6 4. e5 Nd5 5. cxd4 d6 6. Nf3 Nc6 7. Bc4 Nb6 8. Bb5 a6 9. Bxc6+ bxc6 10. 0-0 Bg4 11. Qd3 e6 12. Bg5 Be7 13. Bxe7 Qxe7 14. Nbd2 Bf5 15. Qc3 Rc8 16. Qa5 Nd5 17. Qxa6 0-0 18. Qa3 Rfd8 19. exd6 Qf6 20. Ne5 c5 21. d7 Rc7 22. Qg3 h5 23. Ndf3 cxd4 24. Rac1 Bc2 25. Ng5 Nf4 26. Rfe1 d3 27. Nxd3 Nxd3 28. Qxc7 Qxg5 29. Rxc2 Rxd7 30. Qxd7 Nxe1 31. Rc8+ Kh7 32. Qc6 Qg6 33. a4 Nf3+ 34. Kh1 Nd4 35. Qc1 e5 36. h3 Qf5 37. Rc5 f6 38. Qe3 Qb1+ 39. Kh2 Qxb2 40. Qe4+ f5 41. Qh4 Qe2 42. Rc3 f4 43. Rc7 Kh6 44. Rc8 Kh7 45. a5 Kh6 46. a6 g5 47. Rh8+ Kg7 48. Qxh5 Qxa6 49. Qh7+ 1-0

[Event "Dortmund Sparkassen op"]
[Site "Dortmund"]
[Date "2008.07.01"]
[Round "2"]
[White "Rehberg, Raphael"]
[Black "Markgraf, Jonas"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "2221"]
[BlackElo "2048"]
[PlyCount "107"]
[EventDate "2008.06.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 125 Extra"]
[Source "ChessBase"]
[SourceDate "2008.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2008.09.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Bxf6 gxf6 10. Nd5 Bg7 11. Bd3 Ne7 12. Nxe7 Qxe7 13. c4 b4 14. Nc2 a5 15. Ne3 Be6 16. Qh5 Rc8 17. 0-0 Qa7 18. b3 Qc5 19. Rfd1 Ke7 20. Be2 a4 21. Bg4 axb3 22. axb3 Ra8 23. Rxa8 Rxa8 24. Qxh7 Bxg4 25. Nxg4 Qd4 26. Ne3 Ra1 27. Rf1 Rxf1+ 28. Kxf1 Qd3+ 29. Ke1 Kf8 30. g3 f5 31. Nxf5 Qxe4+ 32. Kd2 Qg4 33. Qxg7+ Qxg7 34. Nxg7 Kxg7 35. Ke3 f5 36. f3 Kg6 37. h3 Kg5 38. g4 f4+ 39. Ke4 Kh4 40. Kf5 Kg3 41. g5 Kxf3 42. g6 Ke2 43. g7 f3 44. g8Q f2 45. Qg2 Ke1 46. Qe4+ Kd2 47. Qf3 Ke1 48. Qe3+ Kf1 49. Kg4 Kg2 50. Qg3+ Kf1 51. Kf3 e4+ 52. Ke3 Ke1 53. Qxf2+ Kd1 54. Qd2# 1-0

[Event "Dortmund Sparkassen op"]
[Site "Dortmund"]
[Date "2008.06.30"]
[Round "1"]
[White "Markgraf, Jonas"]
[Black "Krueger, Georg"]
[Result "1-0"]
[ECO "B21"]
[WhiteElo "2048"]
[BlackElo "1740"]
[PlyCount "37"]
[EventDate "2008.06.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 125 Extra"]
[Source "ChessBase"]
[SourceDate "2008.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2008.09.01"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 d3 4. Bxd3 Nc6 5. Nf3 d6 6. 0-0 Nf6 7. h3 e6 8. c4 Be7 9. Nc3 0-0 10. Be3 a6 11. Rc1 h6 12. Qd2 b6 13. Rfd1 Rb8 14. Bb1 Bb7 15. Bf4 e5 16. Be3 Ba8 17. Qc2 Qc8 18. Nd5 Nxd5 19. exd5 1-0

[Event "Goch op 18th"]
[Site "Goch"]
[Date "2007.10.07"]
[Round "6"]
[White "Markgraf, Jonas"]
[Black "Mundorf, Johannes"]
[Result "1-0"]
[ECO "C10"]
[WhiteElo "2057"]
[BlackElo "1786"]
[PlyCount "73"]
[EventDate "2007.10.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bd7 5. Nf3 Bc6 6. Neg5 Bd6 7. Bd3 h6 8. Ne4 Nf6 9. Nxd6+ Qxd6 10. Be3 Nbd7 11. Qe2 0-0-0 12. 0-0-0 Nd5 13. Bd2 Nf4 14. Bxf4 Qxf4+ 15. Qe3 Qxe3+ 16. fxe3 Bxf3 17. gxf3 h5 18. Rhg1 Rdg8 19. Rg5 g6 20. h4 Nf6 21. c4 Ne8 22. c5 Nf6 23. e4 Nd7 24. Rg2 Nf6 25. Bc4 c6 26. b4 a6 27. a4 Kc7 28. Kd2 Rd8 29. Ke3 Rd7 30. b5 axb5 31. axb5 Rhd8 32. b6+ Kc8 33. Ra2 Re7 34. Ra7 e5 35. d5 cxd5 36. Ra8+ Kd7 37. Bb5+ 1-0

[Event "Goch op 18th"]
[Site "Goch"]
[Date "2007.10.07"]
[Round "7"]
[White "Van der Valk, Niklas"]
[Black "Markgraf, Jonas"]
[Result "1/2-1/2"]
[ECO "B51"]
[WhiteElo "1754"]
[BlackElo "2057"]
[PlyCount "60"]
[EventDate "2007.10.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 d6 4. Bxc6+ bxc6 5. d3 e5 6. 0-0 Nf6 7. Nbd2 Be7 8. Re1 0-0 9. Nf1 Be6 10. c3 Nd7 11. Ng3 f5 12. exf5 Bxf5 13. Nxf5 Rxf5 14. d4 cxd4 15. cxd4 Qb6 16. Qe2 Raf8 17. Be3 e4 18. Nd2 d5 19. f3 Bh4 20. Reb1 R5f7 21. fxe4 dxe4 22. g3 Bf6 23. Nb3 Qb4 24. Rc1 c5 25. Rc4 Qb5 26. Nxc5 Nb6 27. Rc2 Qxe2 28. Rxe2 Nd5 29. Nb3 Nxe3 30. Rxe3 Re8 1/2-1/2

[Event "Goch op 18th"]
[Site "Goch"]
[Date "2007.10.06"]
[Round "4"]
[White "Kahleys, Kevin"]
[Black "Markgraf, Jonas"]
[Result "1/2-1/2"]
[ECO "E60"]
[WhiteElo "1751"]
[BlackElo "2057"]
[PlyCount "35"]
[EventDate "2007.10.04"]
[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 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 c6 6. c4 d6 7. b3 Qa5 8. Qd2 Qh5 9. Qg5 Qxg5 10. Nxg5 h6 11. Nf3 Bf5 12. Bb2 g5 13. h3 Nbd7 14. Re1 d5 15. cxd5 cxd5 16. Nc3 e6 17. Rac1 a6 18. Na4 1/2-1/2

[Event "Goch op 18th"]
[Site "Goch"]
[Date "2007.10.06"]
[Round "5"]
[White "Markgraf, Jonas"]
[Black "Pikatz, Frank"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2057"]
[BlackElo "1660"]
[PlyCount "37"]
[EventDate "2007.10.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 d6 2. d4 g6 3. Nc3 Bg7 4. Nf3 c6 5. Be2 Qc7 6. Be3 Nd7 7. Qd2 e5 8. d5 Nb6 9. dxc6 bxc6 10. Rd1 Bf8 11. 0-0 Bg4 12. Qd3 Bxf3 13. Bxf3 Rd8 14. a4 Nf6 15. a5 Nc8 16. Qc4 Bg7 17. Bg5 0-0 18. Bxf6 Bxf6 19. Nd5 1-0

[Event "Goch op 18th"]
[Site "Goch"]
[Date "2007.10.05"]
[Round "2"]
[White "Markgraf, Jonas"]
[Black "Dargel, Manuel"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "2057"]
[BlackElo "2260"]
[PlyCount "162"]
[EventDate "2007.10.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 Nf6 4. e5 Nd5 5. cxd4 Qc7 6. Nf3 e6 7. Bd2 b6 8. Nc3 Nxc3 9. bxc3 Be7 10. Qa4 Bb7 11. Be2 0-0 12. 0-0 d6 13. Qc2 Nd7 14. Bg5 Rfe8 15. Bxe7 Rxe7 16. Ng5 Nf8 17. f4 Rc8 18. Rac1 Qd8 19. Ne4 Bxe4 20. Qxe4 d5 21. Qb1 Rec7 22. Ba6 Rb8 23. Qd3 Qe7 24. f5 exf5 25. Qxf5 Qa3 26. Bd3 g6 27. Qf2 Ne6 28. Bb1 Rbc8 29. Qf6 Nxd4 30. Kh1 Ne6 31. Rcd1 Rd8 32. g4 Qe7 33. Qf3 Rc5 34. Qg3 Qc7 35. Rf3 d4 36. cxd4 Rxd4 37. Rdf1 Rd7 38. Bf5 Rc1 39. Bxe6 Rxf1+ 40. Rxf1 Qc6+ 41. Qf3 Qxe6 42. Qf6 Qxa2 43. Rc1 Qd5+ 44. Kg1 Qd4+ 45. Qf2 Qxg4+ 46. Kf1 Rd1+ 47. Rxd1 Qxd1+ 48. Kg2 Qd5+ 49. Kf1 Qxe5 50. Qd2 Qf5+ 51. Kg1 Qg4+ 52. Kf1 Qc4+ 53. Kg1 Qc5+ 54. Kf1 a5 55. Qd8+ Kg7 56. Qd2 h5 57. Qb2+ f6 58. Qd2 Qf5+ 59. Ke1 g5 60. Qd8 Qe5+ 61. Kd1 Qa1+ 62. Kc2 Qa2+ 63. Kc1 Qe6 64. Qc7+ Kg6 65. Qd8 h4 66. Qd3+ Qf5 67. Qd8 Qf1+ 68. Kc2 Qc4+ 69. Kb1 Qb4+ 70. Kc1 Qe1+ 71. Kc2 Qe6 72. h3 a4 73. Qa8 Qb3+ 74. Kd2 Qb4+ 75. Kc1 Qc5+ 76. Kd1 a3 77. Qe4+ Kf7 78. Qh7+ Ke6 79. Qg8+ Kd6 80. Qd8+ Ke5 81. Qe8+ Kd4 0-1

[Event "Goch op 18th"]
[Site "Goch"]
[Date "2007.10.04"]
[Round "1"]
[White "Melcher, Anja"]
[Black "Markgraf, Jonas"]
[Result "0-1"]
[ECO "B50"]
[WhiteElo "1518"]
[BlackElo "2057"]
[PlyCount "92"]
[EventDate "2007.10.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. Nf3 Nf6 4. d3 d6 5. Be2 g6 6. Bg5 Bg7 7. Qd2 h6 8. Be3 e5 9. 0-0 Ng4 10. h3 Nxe3 11. Qxe3 Be6 12. Qd2 0-0 13. Nh2 Nd4 14. Bg4 f5 15. exf5 gxf5 16. Bd1 Qg5 17. Qxg5 hxg5 18. Nf3 Nxf3+ 19. Bxf3 Rf7 20. a3 Rd8 21. Rab1 d5 22. Rfe1 g4 23. hxg4 fxg4 24. Be2 Rdf8 25. Rf1 Bh6 26. Nd1 Bg5 27. Ne3 g3 28. Nd1 gxf2+ 29. Rxf2 Bf4 30. Rf3 Bg4 31. Rxf4 Rxf4 32. g3 Rd4 33. Bxg4 Rxg4 34. Kg2 Rg5 35. Ne3 d4 36. Nc4 Rgf5 37. Re1 Rf2+ 38. Kh3 Rxc2 39. Rxe5 b5 40. Rg5+ Kh7 41. Nd6 c4 42. Nxb5 cxd3 43. Nxd4 d2 44. Nxc2 d1Q 45. Ne3 Qh1+ 46. Kg4 Qf3+ 0-1

[Event "Werther Schloss op-B 13rd"]
[Site "Werther"]
[Date "2007.04.01"]
[Round "5"]
[White "Held, Benjamin"]
[Black "Markgraf, Jonas"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "1833"]
[BlackElo "2061"]
[PlyCount "85"]
[EventDate "2007.03.30"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Bxf6 gxf6 9. Na3 Be6 10. Bc4 Nd4 11. Bxe6 Nxe6 12. Nd5 Rc8 13. c3 b5 14. Nc2 Nc7 15. Nce3 Nxd5 16. Nxd5 f5 17. exf5 Qg5 18. Qf3 Bh6 19. Rd1 Rc4 20. 0-0 0-0 21. Rfe1 Kh8 22. Re4 Rxe4 23. Qxe4 Rg8 24. Nc7 Rc8 25. h4 Qh5 26. Rxd6 Bf4 27. f6 Qxh4 28. g3 Qg5 29. Qd5 Rg8 30. Rd8 h5 31. Rxg8+ Kxg8 32. Qc6 Qg6 33. Nd5 Qb1+ 34. Kh2 Bxg3+ 35. Kxg3 Qg6+ 36. Kh2 Kh7 37. Ne7 Qg5 38. Qe4+ Kh8 39. Qf5 Qh4+ 40. Kg2 e4 41. Qc8+ Kh7 42. Qg8+ Kh6 43. Qg7# 1-0

[Event "Werther Schloss op-B 13rd"]
[Site "Werther"]
[Date "2007.04.01"]
[Round "4"]
[White "Markgraf, Jonas"]
[Black "Niekrens, Stefan"]
[Result "1/2-1/2"]
[ECO "C42"]
[WhiteElo "2061"]
[BlackElo "1945"]
[PlyCount "27"]
[EventDate "2007.03.30"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Be7 7. 0-0 Nc6 8. Re1 Bg4 9. Bxe4 dxe4 10. Rxe4 Bxf3 11. Qxf3 Nxd4 12. Qa3 Nc6 13. Qe3 0-0 14. Nc3 1/2-1/2

[Event "Werther Schloss op-B 13rd"]
[Site "Werther"]
[Date "2007.03.31"]
[Round "2"]
[White "Markgraf, Jonas"]
[Black "Hertel, Holger"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "2061"]
[BlackElo "1895"]
[PlyCount "63"]
[EventDate "2007.03.30"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 exd4 5. Nxd4 Ne5 6. Bb3 c5 7. Nf3 d6 8. Nxe5 dxe5 9. Qh5 g6 10. Qxe5 Nf6 11. Nc3 0-0 12. Bg5 Re8 13. Rd1 Bd7 14. Qf4 Rc8 15. 0-0 c4 16. Ba4 Nh5 17. Qf3 Bxg5 18. Bxd7 Nf4 19. Bxe8 Qxe8 20. Qg4 Bh6 21. Qh4 Kg7 22. Rfe1 Rc5 23. Qd8 Qe6 24. Qd7 Qf6 25. Nd5 Qxb2 26. Qd6 Rc6 27. Qb8 Nxd5 28. exd5 Rf6 29. d6 Qb6 30. d7 Qxf2+ 31. Kh1 Bd2 32. d8Q 1-0

[Event "Werther Schloss op-B 13rd"]
[Site "Werther"]
[Date "2007.03.31"]
[Round "3"]
[White "Stork, Joachim"]
[Black "Markgraf, Jonas"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "2021"]
[BlackElo "2061"]
[PlyCount "27"]
[EventDate "2007.03.30"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 Ne4 3. Bf4 c5 4. d5 Qb6 5. Bc1 c4 6. e3 g6 7. Nd2 c3 8. Nc4 Qb4 9. b3 Qc5 10. Ba3 Qc7 11. Qd4 Nf6 12. Qxc3 Bg7 13. Nd6+ Qxd6 14. Qxc8# 1-0

[Event "Werther Schloss op-B 13rd"]
[Site "Werther"]
[Date "2007.03.30"]
[Round "1"]
[White "Chrobak, Frank"]
[Black "Markgraf, Jonas"]
[Result "0-1"]
[ECO "B25"]
[WhiteElo "1831"]
[BlackElo "2061"]
[PlyCount "84"]
[EventDate "2007.03.30"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. f4 e6 7. Nce2 Nge7 8. c3 d5 9. e5 b6 10. Nf3 Ba6 11. 0-0 Rc8 12. Rb1 Nf5 13. b4 cxb4 14. cxb4 b5 15. g4 Nh4 16. Be3 Nxg2 17. Kxg2 h5 18. g5 Bf8 19. a3 Be7 20. Qd2 d4 21. Nexd4 Nxd4 22. Nxd4 Bb7+ 23. Kg3 Qd5 24. Rf2 0-0 25. Nf3 Rc7 26. Ne1 a6 27. Rc1 Rfc8 28. Rxc7 Rxc7 29. Qb2 Qh1 30. Re2 Qf1 31. h4 Kg7 32. Bf2 Rd7 33. Qc2 Bd8 34. Qd2 a5 35. Qe3 Bb6 36. Qd2 Bxf2+ 37. Rxf2 Qg1+ 38. Ng2 Be4 39. d4 axb4 40. Qxb4 Bxg2 41. Rxg2 Qe3+ 42. Kh2 Rxd4 0-1

[Event "Recklinghausen op 16th"]
[Site "Recklinghausen"]
[Date "2006.10.14"]
[Round "7"]
[White "Michalicek, Roland"]
[Black "Markgraf, Jonas"]
[Result "0-1"]
[ECO "B33"]
[WhiteElo "1785"]
[BlackElo "2068"]
[PlyCount "120"]
[EventDate "2006.10.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 114 Extra"]
[Source "ChessBase"]
[SourceDate "2006.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.03"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nf5 d5 7. exd5 Bxf5 8. dxc6 bxc6 9. Qxd8+ Rxd8 10. Be3 a5 11. Rd1 Rb8 12. Bd3 Bxd3 13. Rxd3 Rxb2 14. Kd1 Ng4 15. Kc1 Rb7 16. Nb1 Be7 17. Rhd1 Nxe3 18. fxe3 f5 19. Rc3 Rb6 20. Nd2 Bb4 21. Nc4 Bxc3 22. Nxb6 Rf8 23. Rd3 Bb4 24. Nd7 e4 25. Nxf8 exd3 26. Ne6 d2+ 27. Kd1 g6 28. Ng5 Kd7 29. Nf3 Kd6 30. Nxd2 Kd5 31. Nb3 a4 32. Nd4 Bc3 33. Nf3 Kc4 34. a3 Bf6 35. Nd2+ Kc3 36. Kc1 Be7 37. Nb1+ Kc4 38. Kd2 g5 39. Ke2 g4 40. g3 Bf6 41. Kd2 h5 42. Ke2 h4 43. gxh4 Bxh4 44. Kf1 Be7 45. Kg2 Bc5 46. h3 gxh3+ 47. Kxh3 Bxe3 48. Kg3 Bg5 49. Kf3 Kd4 50. Ke2 Bf4 51. Kf2 Bc7 52. Ke2 Ba5 53. Kf3 Ke5 54. Ke3 f4+ 55. Kf3 Kf5 56. Ke2 Ke4 57. Kf2 f3 58. Kg1 Ke3 59. Kf1 c5 60. Kg1 Ke2 0-1

[Event "Recklinghausen op 16th"]
[Site "Recklinghausen"]
[Date "2006.10.13"]
[Round "6"]
[White "Markgraf, Jonas"]
[Black "Barthel, Ansgar"]
[Result "0-1"]
[ECO "B04"]
[WhiteElo "2068"]
[BlackElo "2152"]
[PlyCount "64"]
[EventDate "2006.10.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 114 Extra"]
[Source "ChessBase"]
[SourceDate "2006.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.03"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 cxd6 6. Nc3 g6 7. Be3 Bg7 8. Nf3 0-0 9. Rc1 Bg4 10. Be2 Nc6 11. b3 d5 12. c5 Nc8 13. 0-0 e6 14. h3 Bxf3 15. Bxf3 N8e7 16. Ne2 Nf5 17. Qd2 Nh4 18. Ng3 Nxf3+ 19. gxf3 Qf6 20. Rfd1 Qxf3 21. Rc3 Qf6 22. Rd3 e5 23. Bg5 Qe6 24. dxe5 Nxe5 25. Re3 d4 26. Rxe5 Qxe5 27. Re1 Qxc5 28. Be7 Qc3 29. Qxc3 dxc3 30. Bxf8 Kxf8 31. Ne4 Re8 32. Re3 c2 0-1

[Event "Recklinghausen op 16th"]
[Site "Recklinghausen"]
[Date "2006.10.12"]
[Round "5"]
[White "Kartsev, Soel"]
[Black "Markgraf, Jonas"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2232"]
[BlackElo "2068"]
[PlyCount "193"]
[EventDate "2006.10.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 114 Extra"]
[Source "ChessBase"]
[SourceDate "2006.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.03"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 c6 6. b3 d5 7. Nbd2 Bf5 8. Ne5 Nbd7 9. Ndf3 Nxe5 10. Nxe5 Qc8 11. Ba3 Re8 12. Re1 Ng4 13. Nxg4 Bxg4 14. Qd2 e5 15. dxe5 Bxe5 16. Rac1 Qd8 17. h3 Bf5 18. g4 Be6 19. e3 Qf6 20. c3 Qh4 21. f4 Bg7 22. Qf2 Qxf2+ 23. Kxf2 h6 24. Bc5 Rad8 25. Bd4 a5 26. a3 Ra8 27. Ra1 b6 28. b4 Rab8 29. Bf3 f5 30. Re2 Bc8 31. Rb2 fxg4 32. hxg4 Be6 33. bxa5 bxa5 34. Rab1 Rxb2+ 35. Rxb2 Bf8 36. Rb7 Bf7 37. a4 c5 38. Be5 g5 39. Ra7 gxf4 40. exf4 d4 41. cxd4 cxd4 42. Bxd4 Bb4 43. f5 Rd8 44. Ke3 Bd2+ 45. Kd3 Be1 46. Ra8 Rxa8 47. Bxa8 Bb3 48. Ke2 Bb4 49. Bc6 Kf7 50. Be3 Kg7 51. Bf4 Bc3 52. Bb5 Bc2 53. Bd7 Bb3 54. Bc1 Bc4+ 55. Ke3 Bb3 56. Kf4 Bf6 57. Ba3 Bc3 58. Bc5 Bb2 59. Bb5 Kf6 60. Be3 Bc3 61. Kg3 Kg7 62. Kh4 Be1+ 63. Kh3 Bc3 64. Be8 Kf8 65. Bc6 Kg7 66. Be8 Kf8 67. Bg6 Kg7 68. Kh4 Bxa4 69. Kh5 Bb3 70. Bxh6+ Kg8 71. Bc1 Kg7 72. Be8 Bd1 73. Bd7 Bf6 74. Bh6+ Kh7 75. Bf8 Kg8 76. Bd6 Kh7 77. Bb5 Kg7 78. Ba3 Kh7 79. Bc4 Kg7 80. Bc1 Kh7 81. Bg5 Kg7 82. Kh4 a4 83. Ba2 Bb3 84. Bb1 Bxg5+ 85. Kxg5 a3 86. Kf4 a2 87. Bxa2 Bxa2 88. g5 Bb1 89. Ke5 Bxf5 90. Kxf5 Kf7 91. g6+ Kg7 92. Kg5 Kg8 93. Kg4 Kg7 94. Kf5 Kg8 95. Kf6 Kf8 96. g7+ Kg8 97. Kg6 1/2-1/2

[Event "Recklinghausen op 16th"]
[Site "Recklinghausen"]
[Date "2006.10.11"]
[Round "3"]
[White "Friedrich, Michael Christian"]
[Black "Markgraf, Jonas"]
[Result "0-1"]
[ECO "E61"]
[WhiteElo "1472"]
[BlackElo "2068"]
[PlyCount "40"]
[EventDate "2006.10.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 114 Extra"]
[Source "ChessBase"]
[SourceDate "2006.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.03"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. Nc3 d6 5. Bg5 h6 6. Bxf6 Bxf6 7. e3 Nc6 8. Be2 e5 9. dxe5 Nxe5 10. Qc2 Bf5 11. Qd2 Be6 12. b3 Nxf3+ 13. Bxf3 Rb8 14. Rc1 0-0 15. Nd5 Bg7 16. Nf4 Bd7 17. h4 Bc6 18. Bd5 Qf6 19. g4 Rfe8 20. Qd3 Qxf4 0-1

[Event "Recklinghausen op 16th"]
[Site "Recklinghausen"]
[Date "2006.10.11"]
[Round "4"]
[White "Markgraf, Jonas"]
[Black "Petrova, Alina"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "2068"]
[BlackElo "1186"]
[PlyCount "99"]
[EventDate "2006.10.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 114 Extra"]
[Source "ChessBase"]
[SourceDate "2006.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.03"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 Bg4 6. d5 Qe7 7. Be3 Nd7 8. Be2 g6 9. Qd4 Ndf6 10. Bb5+ Bd7 11. Bxd7+ Qxd7 12. Ng5 Qf5 13. Nxe4 Qxe4 14. Qxf6 Qe5 15. Qxe5+ dxe5 16. c4 0-0-0 17. Nc3 f5 18. 0-0-0 b6 19. Rhe1 Bd6 20. Nb5 Kb7 21. Nxd6+ cxd6 22. b3 a5 23. Kb2 Rc8 24. a3 Rc7 25. f3 a4 26. Rc1 f4 27. Bf2 Ra8 28. bxa4 Rxa4 29. Kb3 Ra5 30. Rc2 h6 31. Rb1 Rd7 32. Ka2 Ra6 33. Rcb2 Kb8 34. Rxb6+ Rxb6 35. Rxb6+ Kc8 36. Rc6+ Kd8 37. Bb6+ Ke7 38. a4 g5 39. a5 g4 40. a6 gxf3 41. gxf3 e4 42. fxe4 f3 43. a7 Rb7 44. a8Q Rxb6 45. Qa7+ Kf6 46. Qxb6 f2 47. Qxf2+ Ke5 48. Kb2 h5 49. Kc3 h4 50. Qf5# 1-0

[Event "Recklinghausen op 16th"]
[Site "Recklinghausen"]
[Date "2006.10.10"]
[Round "2"]
[White "Markgraf, Jonas"]
[Black "Bosau, Jens"]
[Result "1-0"]
[ECO "B09"]
[WhiteElo "2068"]
[BlackElo "1782"]
[PlyCount "69"]
[EventDate "2006.10.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 114 Extra"]
[Source "ChessBase"]
[SourceDate "2006.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.03"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 0-0 6. Be2 a6 7. 0-0 b5 8. e5 Ng4 9. Ng5 Nh6 10. Bf3 c6 11. a3 d5 12. Re1 e6 13. Be3 Nd7 14. Ne2 Nb6 15. b3 Re8 16. Rf1 Qc7 17. g4 Bd7 18. Ng3 Bf8 19. Qd2 c5 20. c3 Rac8 21. Rac1 cxd4 22. cxd4 Qb7 23. Nh3 Rxc1 24. Rxc1 Bxa3 25. Ra1 Be7 26. Be2 f5 27. exf6 Bd6 28. f5 exf5 29. Bxh6 Qc7 30. Ng5 Bxg3 31. f7+ Kh8 32. fxe8Q+ Bxe8 33. Qe3 Bxh2+ 34. Kh1 Qb8 35. Qe7 1-0

[Event "Recklinghausen op 16th"]
[Site "Recklinghausen"]
[Date "2006.10.09"]
[Round "1"]
[White "Kurenkov, Nikolai"]
[Black "Markgraf, Jonas"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "2447"]
[BlackElo "2068"]
[PlyCount "55"]
[EventDate "2006.10.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 114 Extra"]
[Source "ChessBase"]
[SourceDate "2006.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.03"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 Be6 9. Nc4 Rc8 10. Bxf6 gxf6 11. Ne3 Be7 12. Bc4 Bxc4 13. Nxc4 Nd4 14. Ne3 Qa5 15. 0-0 h5 16. Ncd5 Qd8 17. c3 Ne6 18. Nf5 Bf8 19. Qa4+ b5 20. Qxa6 Rc5 21. b4 Nc7 22. Nxc7+ Rxc7 23. Rfd1 Rxc3 24. Rac1 Qc7 25. Qxb5+ Kd8 26. Rxc3 Qxc3 27. g3 h4 28. Qb8+ 1-0

[Event "Dortmund Sparkassen op-A"]
[Site "Dortmund"]
[Date "2006.08.06"]
[Round "9"]
[White "Markgraf, Jonas"]
[Black "Bramkamp, Rainer"]
[Result "1-0"]
[ECO "B10"]
[WhiteElo "2046"]
[BlackElo "2155"]
[PlyCount "138"]
[EventDate "2006.07.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 113 Extra"]
[Source "ChessBase"]
[SourceDate "2006.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2006.09.14"]
[SourceQuality "1"]

1. e4 c6 2. Nf3 d5 3. exd5 cxd5 4. Ne5 Nf6 5. Bb5+ Nbd7 6. d4 a6 7. Bd3 g6 8. 0-0 Bg7 9. Re1 0-0 10. b3 Nxe5 11. dxe5 Ng4 12. Bb2 Qc7 13. Qe2 f6 14. Nc3 Rd8 15. Nxd5 Qc5 16. exf6 exf6 17. Ne7+ Kh8 18. Nxc8 Qxc8 19. h3 Ne5 20. Bxe5 fxe5 21. Rad1 Qc7 22. h4 Qf7 23. h5 gxh5 24. Qe4 Bf6 25. Qf5 Qg7 26. Re3 h4 27. Re4 Rd4 28. Rxd4 exd4 29. Be4 Rf8 30. Rd3 Be5 31. Qh5 Bf6 32. Rf3 h6 33. Rf5 b6 34. Rd5 Bg5 35. Rd6 Rf6 36. Qe8+ Rf8 37. Qe6 Qf6 38. Qxf6+ Rxf6 39. Rxd4 a5 40. Rd8+ Kg7 41. Rd7+ Kf8 42. Rb7 Bd2 43. Bd3 Bb4 44. Kh2 Be1 45. f3 Bf2 46. Rh7 Kg8 47. Re7 Kf8 48. Rh7 Kg8 49. Rd7 Be1 50. Kh3 Bf2 51. Kg4 Kf8 52. f4 Be3 53. f5 Bg5 54. Kf3 Ke8 55. Rb7 Kd8 56. Ke4 Ke8 57. Ke5 Kd8 58. Bb5 Rf8 59. Rxb6 Kc7 60. Ra6 Rg8 61. Rc6+ Kb7 62. Rg6 Rf8 63. f6 Kb6 64. a4 Kc7 65. Rg7+ Kd8 66. Rd7+ Kc8 67. f7 Bd8 68. Ke6 Bg5 69. Bc6 h3 1-0

[Event "Dortmund Sparkassen op-A"]
[Site "Dortmund"]
[Date "2006.08.05"]
[Round "8"]
[White "Rosenauer, Horst"]
[Black "Markgraf, Jonas"]
[Result "0-1"]
[ECO "B33"]
[WhiteElo "1846"]
[BlackElo "2046"]
[PlyCount "54"]
[EventDate "2006.07.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 113 Extra"]
[Source "ChessBase"]
[SourceDate "2006.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2006.09.14"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 Be6 9. Bc4 Be7 10. Bxf6 Bxf6 11. Nd5 Bg5 12. 0-0 0-0 13. Qd3 b5 14. Bb3 Nd4 15. c3 Nxb3 16. axb3 f5 17. Rad1 fxe4 18. Qxe4 Kh8 19. Nc2 Rc8 20. Nce3 Bf4 21. Nxf4 Rxf4 22. Qc2 d5 23. Qd2 d4 24. b4 Bb3 25. g3 Rf8 26. Nc2 d3 27. Qc1 Bxc2 0-1

[Event "Dortmund Sparkassen op-A"]
[Site "Dortmund"]
[Date "2006.08.04"]
[Round "7"]
[White "Barskij, Alexander"]
[Black "Markgraf, Jonas"]
[Result "1/2-1/2"]
[ECO "B33"]
[WhiteElo "2002"]
[BlackElo "2046"]
[PlyCount "45"]
[EventDate "2006.07.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 113 Extra"]
[Source "ChessBase"]
[SourceDate "2006.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2006.09.14"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 Be6 9. Nc4 Rc8 10. Nd5 Bxd5 11. exd5 Ne7 12. Bxf6 gxf6 13. Ne3 f5 14. c4 Bh6 15. Qa4+ Qd7 16. Qxd7+ Kxd7 17. Be2 Rhg8 18. g3 e4 19. Rf1 Ke8 20. f4 Bg7 21. Rb1 Bd4 22. Kd2 h5 23. b3 1/2-1/2

[Event "Dortmund Sparkassen op-A"]
[Site "Dortmund"]
[Date "2006.08.03"]
[Round "6"]
[White "Markgraf, Jonas"]
[Black "Zweschper, Erich"]
[Result "0-1"]
[ECO "C42"]
[WhiteElo "2046"]
[BlackElo "2191"]
[PlyCount "132"]
[EventDate "2006.07.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 113 Extra"]
[Source "ChessBase"]
[SourceDate "2006.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2006.09.14"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Be7 7. 0-0 0-0 8. Re1 f5 9. c4 c6 10. Nc3 Kh8 11. Bf4 Bf6 12. cxd5 cxd5 13. Nb5 Nc6 14. Nc7 g5 15. Nxa8 gxf4 16. Qb3 Be6 17. Qxb7 Qxa8 18. Qxa8 Rxa8 19. Rac1 Nxd4 20. Kf1 Bf7 21. Rc7 Bg6 22. Nxd4 Bxd4 23. f3 Bb6 24. Re7 Bc5 25. Re5 Nf6 26. Re6 Kg7 27. Rc1 Bb6 28. Rcc6 Bd4 29. Rc7+ Kh6 30. Rcc6 Rf8 31. b3 Kg5 32. Rcd6 Bf7 33. Re2 h5 34. g3 fxg3 35. hxg3 f4 36. gxf4+ Kxf4 37. Rh2 Kxf3 38. Rh3+ Kf4 39. Rh4+ Ng4 40. Kg2 Rg8 41. Bb5 Ke5 42. Rc6 Ne3+ 43. Kf3 Nf5 44. Rh3 Rg4 45. Rc1 Rf4+ 46. Ke2 Rf2+ 47. Ke1 Rxa2 48. Rc7 Bg6 49. Bd3 Rf2 50. Rc6 Bf7 51. Rc7 Kf6 52. Rb7 Rf4 53. Ke2 Nh4 54. Rb4 Be6 55. Rh1 Bg4+ 56. Kd2 Be3+ 57. Kxe3 Ng2+ 58. Kd2 Rxb4 59. Kc3 Rb7 60. Rf1+ Kg5 61. Kd4 Rxb3 62. Rf7 h4 63. Bc2 Rb2 64. Kc3 Rxc2+ 65. Kxc2 h3 66. Rf1 Ne3+ 0-1

[Event "Dortmund Sparkassen op-A"]
[Site "Dortmund"]
[Date "2006.08.02"]
[Round "5"]
[White "Markgraf, Jonas"]
[Black "Krebeck, Peter"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "2046"]
[BlackElo "1901"]
[PlyCount "96"]
[EventDate "2006.07.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 113 Extra"]
[Source "ChessBase"]
[SourceDate "2006.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2006.09.14"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. d4 Nd7 4. c3 Ngf6 5. Bd3 Be7 6. 0-0 0-0 7. h3 c6 8. Be3 Re8 9. Nbd2 Bf8 10. Qc2 g6 11. Rad1 Qc7 12. Rfe1 b6 13. Bg5 a5 14. Qb3 a4 15. Qc2 Bg7 16. Nf1 h6 17. Bd2 Nf8 18. Ng3 Ne6 19. h4 Ng4 20. h5 exd4 21. hxg6 fxg6 22. e5 dxe5 23. Bxg6 Rf8 24. Bh7+ Kh8 25. Nh4 Rxf2 26. Ne4 Qf7 27. Qd3 Nc5 28. Nxc5 bxc5 29. Be4 c4 30. Qg3 Rf6 31. Rf1 a3 32. Rxf6 Bxf6 33. Ng6+ Kg8 34. bxa3 Rxa3 35. Rf1 dxc3 36. Bc1 Qa7+ 37. Kh1 Rxa2 38. Rxf6 Nxf6 39. Ne7+ Kf8 40. Nxc8 Qg7 41. Qxe5 Nxe4 42. Qxe4 Ra1 43. Qf4+ Kg8 44. Nd6 Qg5 45. Qxc4+ Kh7 46. Qf7+ Kh8 47. Qf8+ Kh7 48. Qf7+ Kh8 1/2-1/2

[Event "Dortmund Sparkassen op-A"]
[Site "Dortmund"]
[Date "2006.08.01"]
[Round "4"]
[White "Dargel, Manuel"]
[Black "Markgraf, Jonas"]
[Result "1-0"]
[ECO "E72"]
[WhiteElo "2151"]
[BlackElo "2046"]
[PlyCount "107"]
[EventDate "2006.07.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 113 Extra"]
[Source "ChessBase"]
[SourceDate "2006.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2006.09.14"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nc3 0-0 5. e4 d6 6. d4 e5 7. Nge2 Nc6 8. d5 Ne7 9. h3 Nd7 10. 0-0 f5 11. f4 Nc5 12. fxe5 Bxe5 13. Bh6 Rf7 14. Qd2 Bg7 15. Bxg7 Rxg7 16. Kh2 a5 17. Rf2 Bd7 18. Raf1 Qe8 19. Qd4 fxe4 20. Nxe4 Nxe4 21. Bxe4 Nf5 22. Bxf5 gxf5 23. Nf4 Qe7 24. Re2 Qg5 25. Qc3 b5 26. Re3 b4 27. Qd4 Re8 28. Rfe1 Rxe3 29. Qxe3 Kf8 30. h4 Qe7 31. Qf2 Qf7 32. Qd4 Rg8 33. Re2 Rg4 34. c5 Bb5 35. Re6 Kg8 36. cxd6 cxd6 37. Qb6 Qd7 38. Rxd6 Qe7 39. Ne6 f4 40. Qd8+ Qxd8 41. Rxd8+ Kf7 42. Nxf4 Ke7 43. Ra8 a4 44. Rb8 b3 45. axb3 Be8 46. bxa4 Bxa4 47. Rb7+ Kd6 48. Rxh7 Bb3 49. Kh3 Bd1 50. h5 Ke5 51. Nd3+ Kxd5 52. Nf2 Bc2 53. Nxg4 Bxh7 54. Nf6+ 1-0

[Event "Dortmund Sparkassen op-A"]
[Site "Dortmund"]
[Date "2006.07.30"]
[Round "3"]
[White "Markgraf, Jonas"]
[Black "Wolkow, Michael"]
[Result "1-0"]
[ECO "B21"]
[WhiteElo "2046"]
[BlackElo "1766"]
[PlyCount "95"]
[EventDate "2006.07.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 113 Extra"]
[Source "ChessBase"]
[SourceDate "2006.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2006.09.14"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 e6 6. Bc4 a6 7. 0-0 b5 8. Bb3 Bc5 9. e5 Qc7 10. Bf4 Bb7 11. a4 bxa4 12. Bxa4 Nb4 13. Qe2 Ne7 14. Ne4 Bxe4 15. Qxe4 Ned5 16. Rac1 Qb6 17. Bd2 Rb8 18. Qg4 Rg8 19. Qe4 Rh8 20. h3 h6 21. Bc3 Ke7 22. Bd4 Rhc8 23. Bxc5+ Rxc5 24. Qh7 Rbc8 25. Rxc5 Rxc5 26. Qxg7 Ra5 27. b3 Nd3 28. Qxh6 Rc5 29. Qg5+ Ke8 30. Qg7 N5f4 31. Qh8+ Ke7 32. Qf6+ Ke8 33. Ng5 Ne2+ 34. Kh2 Nxe5 35. f4 Nc6 36. Nxf7 Rd5 37. Bxc6 Qxc6 38. Ne5 Qb6 39. Ng6 Qb4 40. Qh8+ Kf7 41. Qh7+ Kf6 42. Ne5 Nxf4 43. Nd3 Qd6 44. Rxf4+ Rf5 45. Qh4+ Kf7 46. Qg3 Qxd3 47. Qxd3 Rxf4 48. Qxd7+ 1-0

[Event "Dortmund Sparkassen op-A"]
[Site "Dortmund"]
[Date "2006.07.28"]
[Round "1"]
[White "Markgraf, Jonas"]
[Black "Holtmannspoetter, Thomas"]
[Result "1-0"]
[ECO "B21"]
[WhiteElo "2046"]
[BlackElo "1719"]
[PlyCount "63"]
[EventDate "2006.07.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 113 Extra"]
[Source "ChessBase"]
[SourceDate "2006.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2006.09.14"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 d6 6. Bc4 e6 7. 0-0 Nf6 8. Qe2 Be7 9. Rd1 e5 10. Bg5 Bg4 11. Rac1 0-0 12. Nb5 Qb6 13. Bxf6 Bxf6 14. Rxd6 a6 15. Nc3 Qb4 16. Rdd1 Nd4 17. Qd3 Bxf3 18. gxf3 Bg5 19. Nd5 Qd6 20. f4 Bh4 21. Qh3 Qg6+ 22. Qg2 Qh5 23. f5 Kh8 24. Kh1 Rac8 25. Nb6 Rc6 26. Nd7 Re8 27. Nxe5 Rxe5 28. Rxd4 b5 29. Rg1 g6 30. Bxf7 Rc2 31. fxg6 hxg6 32. Bxg6 1-0

[Event "Dortmund Sparkassen op-A"]
[Site "Dortmund"]
[Date "2006.07.28"]
[Round "2"]
[White "Scheider, Julian"]
[Black "Markgraf, Jonas"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "2180"]
[BlackElo "2046"]
[PlyCount "83"]
[EventDate "2006.07.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 113 Extra"]
[Source "ChessBase"]
[SourceDate "2006.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2006.09.14"]
[SourceQuality "1"]

1. e4 c5 2. c3 e6 3. d4 d5 4. e5 Nc6 5. Nf3 Qb6 6. a3 c4 7. g3 Nge7 8. h4 h5 9. Bh3 Nf5 10. 0-0 Be7 11. Re1 Bd7 12. Nbd2 Na5 13. Rb1 Rc8 14. Qc2 Nb3 15. Nf1 Nxc1 16. Rbxc1 g6 17. Ne3 Qa6 18. Ng2 Ba4 19. Qd2 Kd7 20. Ng5 Rcf8 21. Kh2 Kc8 22. Nf4 Qb6 23. Ngxe6 fxe6 24. Nxg6 Rh7 25. Nxf8 Bxf8 26. Bxf5 exf5 27. e6 Bh6 28. f4 Re7 29. Qe2 Bg7 30. Qxh5 Qxb2+ 31. Kh3 Qxa3 32. Qxf5 Qd6 33. Ra1 b5 34. h5 Bb3 35. Rxa7 Bc2 36. Qg4 Kb8 37. Rd7 Qa3 38. f5 Qxc3 39. Qf4+ Ka8 40. Rd8+ Ka7 41. Qb8+ Ka6 42. Qd6+ 1-0

[Event "Duisburg Grossenbaum op"]
[Site "Duisburg"]
[Date "2006.07.02"]
[Round "6"]
[White "Markgraf, Jonas"]
[Black "Harff, Marcel"]
[Result "1-0"]
[ECO "C17"]
[WhiteElo "2046"]
[BlackElo "2146"]
[PlyCount "51"]
[EventDate "2006.06.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. Qg4 Ne7 6. dxc5 Bxc3+ 7. bxc3 Qc7 8. Nf3 Ng6 9. Be3 b6 10. Qb4 Nd7 11. cxb6 axb6 12. Bb5 Ngxe5 13. Nxe5 Qxe5 14. 0-0 Ba6 15. a4 Bxb5 16. axb5 Rc8 17. Ra6 Qf6 18. Bxb6 Qe7 19. Ba5 Nc5 20. Rc6 Kd7 21. Rd1 Nb7 22. Rxd5+ exd5 23. Qg4+ Qe6 24. Rxe6 fxe6 25. Qxg7+ Kd6 26. Qxb7 1-0

[Event "Duisburg Grossenbaum op"]
[Site "Duisburg"]
[Date "2006.06.11"]
[Round "7"]
[White "Ciornei, Dragos"]
[Black "Markgraf, Jonas"]
[Result "1/2-1/2"]
[ECO "B33"]
[WhiteElo "2222"]
[BlackElo "2046"]
[PlyCount "52"]
[EventDate "2006.06.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 Be6 9. Nc4 Rc8 10. Ne3 Be7 11. Bxf6 Bxf6 12. Ncd5 Bg5 13. Bd3 Bxe3 14. Nxe3 Qg5 15. 0-0 0-0 16. c3 Ne7 17. Bc2 Ng6 18. Kh1 Rcd8 19. Qf3 h5 20. Bb3 Nf4 21. Rad1 Bc8 22. g3 Ne6 23. h4 Qg6 24. Nf5 Qf6 25. Qxh5 g6 26. Qh6 Ng7 1/2-1/2

