[Event "Marburg op-B"]
[Site "Marburg"]
[Date "2023.10.29"]
[Round "6"]
[White "Heller, Alexander"]
[Black "Koch, Mika Jonas"]
[Result "1/2-1/2"]
[ECO "A05"]
[PlyCount "48"]
[EventDate "2023.10.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CB49_2023"]
[SourceDate "2023.12.06"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.06"]
[SourceQuality "1"]

1. e4 c5 2. d3 d6 3. Nf3 Nc6 4. g3 g6 5. Bg2 Nf6 6. 0-0 Bg7 7. c3 0-0 8. Nbd2 e5 9. Re1 Re8 10. Nf1 h6 11. Ne3 Be6 12. Bd2 b5 13. b4 Qd7 14. a4 a6 15. a5 Bh3 16. Qc2 Bxg2 17. Kxg2 cxb4 18. cxb4 Rac8 19. Qb3 Red8 20. Rac1 Nd4 21. Nxd4 exd4 22. Nd5 Nxd5 23. Qxd5 Kh7 24. Bf4 Rc3 1/2-1/2

[Event "Marburg op-B"]
[Site "Marburg"]
[Date "2023.10.29"]
[Round "7"]
[White "Wittling, Gabriel"]
[Black "Heller, Alexander"]
[Result "1/2-1/2"]
[ECO "B80"]
[PlyCount "51"]
[EventDate "2023.10.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CB49_2023"]
[SourceDate "2023.12.06"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Nf6 6. Be3 e6 7. f3 Be7 8. Qd2 0-0 9. 0-0-0 Nc6 10. g4 Qc7 11. h4 b5 12. Kb1 Na5 13. Qg2 Nc4 14. Bxc4 Qxc4 15. h5 b4 16. Nce2 Bd7 17. g5 Ne8 18. g6 fxg6 19. hxg6 hxg6 20. Nf4 Rxf4 21. Bxf4 e5 22. Bh6 exd4 23. Rdg1 Qf7 24. Qh2 Bf6 25. Bd2 Qc4 26. b3 1/2-1/2

[Event "Marburg op-B"]
[Site "Marburg"]
[Date "2023.10.28"]
[Round "4"]
[White "Heller, Alexander"]
[Black "Trunz, Daniel"]
[Result "1-0"]
[ECO "C44"]
[BlackElo "1064"]
[PlyCount "91"]
[EventDate "2023.10.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CB49_2023"]
[SourceDate "2023.12.06"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.06"]
[SourceQuality "1"]

1. e4 e5 2. d3 Nc6 3. Nf3 Nf6 4. g3 Bc5 5. Bg2 d5 6. Nbd2 Bg4 7. c3 0-0 8. 0-0 d4 9. c4 Qd7 10. a3 Rfe8 11. b4 Bf8 12. Nb3 Re6 13. b5 Nh5 14. bxc6 Rxc6 15. Bd2 Bh3 16. Nxe5 Qe6 17. Nxc6 bxc6 18. Qxh5 Bxg2 19. Kxg2 Rd8 20. f4 Rd6 21. Bb4 Rd8 22. Bxf8 Rxf8 23. f5 Qf6 24. Rae1 Rb8 25. e5 Qe7 26. f6 Qxa3 27. Qg5 Qf8 28. Qxg7+ Qxg7 29. fxg7 Rxb3 30. Rf3 a5 31. Ra1 Rb2+ 32. Kh3 Rb8 33. Rxa5 Re8 34. Rf4 Re6 35. Rxd4 Rh6+ 36. Kg2 f6 37. Rg4 fxe5 38. Ra8+ Kf7 39. g8Q+ Ke7 40. Qg7+ Kd6 41. Qxh6+ Kc5 42. Qf8+ Kb6 43. Rb8+ Ka7 44. Rb1 c5 45. Qxc5+ Ka6 46. Qa3# 1-0

[Event "Marburg op-B"]
[Site "Marburg"]
[Date "2023.10.28"]
[Round "5"]
[White "Wuensch, Aurel"]
[Black "Heller, Alexander"]
[Result "1-0"]
[ECO "B21"]
[PlyCount "83"]
[EventDate "2023.10.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CB49_2023"]
[SourceDate "2023.12.06"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.06"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 d6 5. Bc4 e6 6. Nf3 Nc6 7. 0-0 Nf6 8. Re1 Be7 9. Bf4 0-0 10. Qb3 Na5 11. Qa4 Nxc4 12. Qxc4 e5 13. Be3 Bg4 14. Qe2 a6 15. Rad1 Qa5 16. Bd2 Qc7 17. Bg5 Be6 18. Rc1 Qa5 19. a3 b5 20. Red1 Bb3 21. Bxf6 gxf6 22. Nd5 Bxd5 23. exd5 Rac8 24. Rxc8 Rxc8 25. Nh4 Kh8 26. Nf5 Qc7 27. Qh5 Bf8 28. Nh6 Bxh6 29. Qxh6 Qd8 30. h3 Qe7 31. Rc1 Rxc1+ 32. Qxc1 Kg7 33. Qc6 f5 34. Qxa6 Qd7 35. Qc6 Qd8 36. Qxb5 Kf8 37. a4 Ke7 38. a5 Qd7 39. Qc6 Kd8 40. b4 Qc7 41. a6 Qb8 42. b5 1-0

[Event "Marburg op-B"]
[Site "Marburg"]
[Date "2023.10.27"]
[Round "3"]
[White "Buschmann, Carlos"]
[Black "Heller, Alexander"]
[Result "1-0"]
[ECO "A46"]
[PlyCount "61"]
[EventDate "2023.10.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CB49_2023"]
[SourceDate "2023.12.06"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.06"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 e6 3. Nf3 c5 4. e3 Be7 5. c3 Nh5 6. Bg3 Nxg3 7. hxg3 d5 8. Nbd2 Nd7 9. Qc2 f5 10. Bd3 c4 11. Be2 Bd6 12. b3 cxb3 13. axb3 Nf6 14. c4 0-0 15. c5 Bc7 16. b4 a5 17. b5 b6 18. c6 Ng4 19. Nb3 e5 20. Nfd2 e4 21. Nf1 h6 22. f3 Nf6 23. Nbd2 Be6 24. Nb1 Qe7 25. Nc3 Bf7 26. Kf2 Qd6 27. Qa2 Nh5 28. Qa3 Qg6 29. f4 Qd6 30. Qxd6 Bxd6 31. Bxh5 1-0

[Event "Marburg op-B"]
[Site "Marburg"]
[Date "2023.10.27"]
[Round "2"]
[White "Heller, Alexander"]
[Black "Hartmann, Lucas1"]
[Result "1/2-1/2"]
[ECO "C00"]
[PlyCount "64"]
[EventDate "2023.10.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CB49_2023"]
[SourceDate "2023.12.06"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.06"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 c5 4. g3 Nf6 5. Bg2 Be7 6. Ngf3 0-0 7. 0-0 b6 8. c3 Bb7 9. e5 Nfd7 10. d4 cxd4 11. cxd4 Nc6 12. a3 f6 13. Re1 fxe5 14. dxe5 Qc7 15. Qe2 Rf5 16. Bh3 Raf8 17. Bxf5 Rxf5 18. g4 Rf8 19. Nb3 Nc5 20. Nbd4 Nxd4 21. Nxd4 Qc8 22. b4 Nd7 23. Nxe6 Re8 24. Nd4 Nxe5 25. Qxe5 Qxg4+ 26. Kh1 Rf8 27. Qe6+ Qxe6 28. Rxe6 Bf6 29. Bb2 Bc8 30. Re2 Bg4 31. Rd2 Bh4 32. Kg2 Rf6 1/2-1/2

[Event "Marburg op-B"]
[Site "Marburg"]
[Date "2023.10.26"]
[Round "1"]
[White "Wolf, Helena"]
[Black "Heller, Alexander"]
[Result "1/2-1/2"]
[ECO "B42"]
[PlyCount "47"]
[EventDate "2023.10.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CB49_2023"]
[SourceDate "2023.12.06"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 e6 7. Bd3 Be7 8. 0-0 0-0 9. Bd2 Nc6 10. Nf3 Qc7 11. Re1 Bd7 12. Bf4 Rfd8 13. e5 dxe5 14. Nxe5 Bd6 15. Nxd7 Rxd7 16. Bxd6 Rxd6 17. Ne4 Nxe4 18. Rxe4 a5 19. Rc4 Qd7 20. Qe2 Ne5 21. Rc3 Nxd3 22. Rxd3 Rxd3 23. Qxd3 Qxd3 24. cxd3 1/2-1/2

