[Event "Marburg op-A"]
[Site "Marburg"]
[Date "2023.10.29"]
[Round "6"]
[White "Gerhard, Dominik"]
[Black "Kowalski, Holger"]
[Result "0-1"]
[ECO "A28"]
[WhiteElo "1626"]
[BlackElo "1784"]
[PlyCount "54"]
[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. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e3 Bb4 5. Qc2 Bxc3 6. bxc3 e4 7. Ng1 0-0 8. f3 Re8 9. fxe4 Nxe4 10. Nf3 Ng5 11. Nxg5 Qxg5 12. g3 d5 13. Bg2 dxc4 14. 0-0 h5 15. Rf4 Ne5 16. Rb1 c6 17. Ba3 Rd8 18. Rbf1 g6 19. R1f2 Be6 20. Rd4 Rxd4 21. cxd4 Nd3 22. Re2 Bg4 23. Bf1 Bxe2 24. Bxe2 Qf5 25. Bxd3 Qxd3 26. Qc1 Re8 27. Bd6 c3 0-1

[Event "Marburg op-A"]
[Site "Marburg"]
[Date "2023.10.29"]
[Round "7"]
[White "Kowalski, Holger"]
[Black "Kretschmer, Wolfgang1"]
[Result "1/2-1/2"]
[ECO "A90"]
[WhiteElo "1784"]
[BlackElo "1993"]
[PlyCount "45"]
[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 f5 2. c4 Nf6 3. g3 e6 4. Bg2 d5 5. Nf3 Bd6 6. 0-0 c6 7. b3 Qe7 8. Bb2 Nbd7 9. Qc1 e5 10. dxe5 Nxe5 11. cxd5 Nxd5 12. Nc3 Nxf3+ 13. exf3 Nxc3 14. Qxc3 0-0 15. Rfe1 Qf7 16. Rad1 Be7 17. Qxg7+ Qxg7 18. Bxg7 Re8 19. Bf6 Kf7 20. Bxe7 Rxe7 21. Rxe7+ Kxe7 22. f4 Be6 23. Kf1 1/2-1/2

[Event "Marburg op-A"]
[Site "Marburg"]
[Date "2023.10.28"]
[Round "5"]
[White "Kowalski, Holger"]
[Black "Peschel, Julia"]
[Result "1/2-1/2"]
[ECO "D36"]
[WhiteElo "1784"]
[BlackElo "1561"]
[PlyCount "71"]
[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 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 c6 6. Qc2 Be7 7. e3 Ne4 8. Bxe7 Qxe7 9. Nxd5 cxd5 10. Qxc8+ Qd8 11. Qxd8+ Kxd8 12. Bd3 f5 13. Ne2 g6 14. Nf4 Nf6 15. Rc1 Kd7 16. 0-0 Nc6 17. a3 Ne7 18. Bb1 h5 19. Nd3 Nc6 20. Nc5+ Kc7 21. Rc3 Ne4 22. Nxe4 fxe4 23. Rc5 Kd6 24. Ba2 Ne7 25. Rfc1 Rhf8 26. Kf1 Rf5 27. Ke2 Raf8 28. Rf1 Rg5 29. g3 Rgf5 30. Rc2 g5 31. Ke1 Nc6 32. b4 Nd8 33. Bb3 Ne6 34. Rc3 g4 35. Bd1 Ng5 36. Rc2 1/2-1/2

[Event "Marburg op-A"]
[Site "Marburg"]
[Date "2023.10.28"]
[Round "4"]
[White "Wuestehube, Harry"]
[Black "Kowalski, Holger"]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "1868"]
[BlackElo "1784"]
[PlyCount "50"]
[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. Nc3 Nc6 3. Bb5 Nd4 4. Bc4 g6 5. Nge2 Bg7 6. 0-0 e6 7. Nxd4 cxd4 8. Ne2 Ne7 9. c3 Nc6 10. d3 0-0 11. Bf4 d6 12. Qd2 Re8 13. Rac1 a6 14. Bg3 dxc3 15. Nxc3 b5 16. Bb3 Nd4 17. Bd1 Bb7 18. Ne2 Qb6 19. Nxd4 Qxd4 20. Bf3 Rac8 21. b3 h5 22. Bf4 Qb6 23. h4 Red8 24. Bg5 Rxc1 25. Rxc1 Rc8 1/2-1/2

[Event "Marburg op-A"]
[Site "Marburg"]
[Date "2023.10.27"]
[Round "2"]
[White "Claus, Juergen"]
[Black "Kowalski, Holger"]
[Result "1-0"]
[ECO "E49"]
[WhiteElo "2038"]
[BlackElo "1784"]
[PlyCount "123"]
[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. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. f3 d5 7. Nge2 0-0 8. 0-0 c5 9. a3 Bxc3 10. bxc3 Ba6 11. cxd5 Bxd3 12. Qxd3 exd5 13. e4 Nc6 14. e5 Ne8 15. f4 cxd4 16. cxd4 f5 17. Bd2 Nc7 18. Rfc1 Qd7 19. Qc2 Nxd4 20. Nxd4 Rac8 21. Qc6 Qxc6 22. Rxc6 Na6 23. Rxc8 Rxc8 24. Nxf5 Rc2 25. Rd1 Kf7 26. g3 Nc5 27. Bb4 a5 28. Ne3 Ra2 29. Bxc5 bxc5 30. Rxd5 Rxa3 31. Nc4 Ra1+ 32. Kg2 a4 33. Rxc5 a3 34. Ra5 a2 35. Kh3 Ke6 36. Kg4 Rc1 37. Ra6+ Ke7 38. Rxa2 Rxc4 39. Ra7+ Kf8 40. h4 Rc3 41. h5 h6 42. Kh4 Rc4 43. Ra6 Kf7 44. Rg6 Re4 45. Kg4 Re1 46. Kf5 Re3 47. g4 Re1 48. Ra6 Rb1 49. Ra7+ Kf8 50. Ra8+ Ke7 51. Ra6 Rb4 52. Rg6 Kf8 53. g5 hxg5 54. Kxg5 Rb1 55. h6 gxh6+ 56. Rxh6 Kg7 57. Rg6+ Kf7 58. Rf6+ Ke7 59. Kf5 Rb5 60. Rh6 Rb1 61. Rh7+ Ke8 62. Kf6 1-0

[Event "Marburg op-A"]
[Site "Marburg"]
[Date "2023.10.27"]
[Round "3"]
[White "Kowalski, Holger"]
[Black "Roedel, Jannis"]
[Result "0-1"]
[ECO "E65"]
[WhiteElo "1784"]
[BlackElo "1649"]
[PlyCount "89"]
[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. c4 g6 3. g3 Bg7 4. Bg2 0-0 5. Nc3 d6 6. Nf3 c5 7. 0-0 Qc7 8. d5 Nbd7 9. Re1 a6 10. a4 e6 11. dxe6 fxe6 12. Ng5 Ne5 13. Qb3 Nc6 14. Bd2 Ng4 15. Nf3 Qf7 16. Rf1 Nge5 17. Nxe5 Bxe5 18. Bxc6 bxc6 19. Bh6 Rd8 20. Bg5 Rd7 21. Qc2 d5 22. Rad1 Bg7 23. a5 h6 24. Bc1 Rd8 25. Na4 e5 26. cxd5 cxd5 27. Qxc5 Bh3 28. Rfe1 Rac8 29. Qb6 Rf8 30. f3 e4 31. f4 g5 32. Qb3 Rcd8 33. Nc5 Qf5 34. Qb6 d4 35. Qb7 Qxc5 36. b4 Qd5 37. Qxd5+ Rxd5 38. Bd2 Bg4 39. Rb1 e3 40. Bc1 gxf4 41. gxf4 Rxf4 42. Rf1 Rxf1+ 43. Kxf1 Bh3+ 44. Kg1 Rg5+ 45. Kh1 0-1

[Event "Marburg op-A"]
[Site "Marburg"]
[Date "2023.10.26"]
[Round "1"]
[White "Kowalski, Holger"]
[Black "Gerstmayr, Christoph"]
[Result "1/2-1/2"]
[ECO "A55"]
[WhiteElo "1784"]
[BlackElo "2048"]
[PlyCount "56"]
[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. c4 d6 3. g3 Nbd7 4. Bg2 c6 5. Nc3 e5 6. e4 Be7 7. Nf3 Qc7 8. 0-0 h6 9. h3 g5 10. Be3 Nf8 11. b4 Ng6 12. Ne1 Bd7 13. Rc1 Kf8 14. Kh2 Kg7 15. Nd3 h5 16. dxe5 dxe5 17. f4 h4 18. fxg5 hxg3+ 19. Kg1 Nh5 20. Ne2 Rae8 21. Qe1 Qc8 22. Nxg3 Nhf4 23. Nxf4 Nxf4 24. Bxf4 exf4 25. Qc3+ Kg8 26. Nf5 Bxf5 27. exf5 Qxf5 28. Rce1 Qxg5 1/2-1/2

