[Event "Marburg op-B"]
[Site "Marburg"]
[Date "2023.10.29"]
[Round "6"]
[White "Hennings, Christian"]
[Black "Warkentin, Waldemar"]
[Result "1-0"]
[ECO "B07"]
[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. e4 d6 2. Bc4 Nf6 3. d3 g6 4. Nf3 Bg7 5. Bg5 d5 6. exd5 Nxd5 7. c3 h6 8. Bh4 g5 9. Bg3 Nc6 10. Qe2 0-0 11. Nbd2 Nb6 12. Bb3 Kh8 13. Ne4 Bg4 14. h4 gxh4 15. Rxh4 Qd7 16. Qd2 h5 17. Nfg5 Ne5 18. Bxe5 Bxe5 19. Nxf7+ Rxf7 20. Bxf7 Kg7 21. Bxh5 Bf5 22. Bg4 e6 23. Bxf5 exf5 24. 0-0-0 Qe6 25. Kb1 fxe4 26. Qg5+ Kf8 27. Rxe4 Nd7 28. f4 Qf6 29. Qg4 Bxc3 30. Qxd7 Rd8 31. Qxc7 Bxb2 32. Qc5+ Kg8 33. Qc4+ Kf8 34. Qb4+ Rd6 35. Qxb2 Rb6 36. Rb4 1-0

[Event "Marburg op-B"]
[Site "Marburg"]
[Date "2023.10.29"]
[Round "7"]
[White "Warkentin, Waldemar"]
[Black "Peschel, Jan"]
[Result "1-0"]
[ECO "C44"]
[BlackElo "1477"]
[PlyCount "105"]
[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. Nf3 Nc6 3. c3 d5 4. Qa4 Qd6 5. exd5 Qxd5 6. d4 Bd7 7. Qd1 0-0-0 8. Be2 exd4 9. Be3 Bg4 10. cxd4 Bb4+ 11. Nc3 Qa5 12. 0-0 Bxc3 13. bxc3 Qxc3 14. Rc1 Qa5 15. Bd2 Qxa2 16. h3 Nxd4 17. Nxd4 Bxe2 18. Qxe2 Rxd4 19. Rxc7+ Kb8 20. Qe5 Qd5 21. Bf4 Qxe5 22. Bxe5 f6 23. Rfc1 Rd1+ 24. Rxd1 fxe5 25. Rxg7 Nf6 26. Rf7 Ne4 27. Rdd7 b6 28. Rb7+ Kc8 29. Rxa7 Kb8 30. Rfb7+ Kc8 31. Rxb6 Rd8 32. Ra8+ Kc7 33. Rxd8 Kxd8 34. Re6 Kd7 35. Rxe5 Nf6 36. g4 Kd6 37. Ra5 Ne4 38. f4 Nf6 39. Kg2 Ke7 40. Kf3 Kf7 41. g5 Ng8 42. Kg4 Ne7 43. f5 Nc6 44. Rc5 Nd4 45. Rc7+ Kg8 46. h4 Nb5 47. Rd7 Nc3 48. h5 Ne4 49. Kf4 Nc5 50. Rc7 Na6 51. Ra7 Nb4 52. Rd7 Nc6 53. g6 1-0

[Event "Marburg op-B"]
[Site "Marburg"]
[Date "2023.10.28"]
[Round "4"]
[White "Warkentin, Waldemar"]
[Black "Elpelt, Silvia"]
[Result "1-0"]
[ECO "C44"]
[BlackElo "1464"]
[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. e4 e5 2. Nf3 Nc6 3. c3 Bc5 4. d4 exd4 5. cxd4 Bb4+ 6. Nc3 d6 7. d5 Ne5 8. Qa4+ Bd7 9. Qxb4 Nxf3+ 10. gxf3 Rb8 11. Qd4 f6 12. Rg1 Kf7 13. Bf4 a6 14. Bc4 Ne7 15. 0-0-0 Ng6 16. Bg3 Ne5 17. Be2 b5 18. f4 Nc4 19. Bxc4 bxc4 20. e5 fxe5 21. fxe5 Bf5 22. e6+ Kg8 23. Bh4 Qf8 24. Ne2 Bg6 25. Nf4 Qf5 26. Nxg6 hxg6 27. Rg5 Qf8 28. Rxg6 Rh7 29. Rdg1 Kh8 30. Rxg7 Rxg7 31. Rxg7 1-0

[Event "Marburg op-B"]
[Site "Marburg"]
[Date "2023.10.28"]
[Round "5"]
[White "Warkentin, Waldemar"]
[Black "Hensel, Roman"]
[Result "1-0"]
[ECO "B21"]
[BlackElo "1341"]
[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. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 e6 5. Nf3 Nc6 6. Bc4 Bb4 7. 0-0 Nf6 8. Qe2 Bxc3 9. bxc3 Nxe4 10. Qxe4 d5 11. Qg4 Qf6 12. Bb5 e5 13. Qg3 e4 14. Bg5 Qxc3 15. Rac1 Qa5 16. Qe5+ Be6 17. Rxc6 Qxb5 18. Rxe6+ fxe6 19. Qxe6+ Kf8 20. Be7+ Ke8 21. Bd6+ Kd8 22. Qe7+ Kc8 23. Qc7# 1-0

[Event "Marburg op-B"]
[Site "Marburg"]
[Date "2023.10.27"]
[Round "3"]
[White "Mayer, Artur"]
[Black "Warkentin, Waldemar"]
[Result "1/2-1/2"]
[ECO "D91"]
[PlyCount "79"]
[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. Nc3 d5 4. Bg5 Bg7 5. e3 c6 6. Nf3 Bg4 7. h3 Bxf3 8. Qxf3 Qa5 9. Bxf6 Bxf6 10. cxd5 0-0 11. a3 c5 12. 0-0-0 Nd7 13. Bb5 Rfd8 14. d6 cxd4 15. exd4 Bg5+ 16. Kb1 exd6 17. Qxb7 Rab8 18. Qd5 Be7 19. Ka2 Nf6 20. Qc4 Rdc8 21. Qe2 Rxc3 22. bxc3 Nd5 23. Rc1 Bg5 24. c4 Bxc1 25. Rxc1 Nc3+ 26. Rxc3 Qxc3 27. c5 a6 28. Bc4 Qc1 29. Bb3 dxc5 30. dxc5 Rd8 31. Bc2 Rd2 32. Qe8+ Kg7 33. Qe5+ f6 34. Qc7+ Kf8 35. Qc8+ Ke7 36. Qb7+ Kf8 37. Qb8+ Kg7 38. Qc7+ Kh6 39. Qf4+ Kg7 40. Qc7+ 1/2-1/2

[Event "Marburg op-B"]
[Site "Marburg"]
[Date "2023.10.27"]
[Round "2"]
[White "Warkentin, Waldemar"]
[Black "Wagener, Nicolas"]
[Result "1/2-1/2"]
[ECO "B21"]
[BlackElo "1427"]
[PlyCount "114"]
[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 e6 5. Nf3 Nc6 6. Bc4 a6 7. 0-0 Nge7 8. Qe2 Ng6 9. Nd5 Be7 10. Nxe7 Qxe7 11. Bg5 f6 12. Be3 0-0 13. Rfd1 b5 14. Bb3 Bb7 15. Rac1 Rfd8 16. Bb6 Re8 17. Bc5 Qd8 18. Rd6 Qc7 19. Rcd1 Nce5 20. Nxe5 Nxe5 21. Qe3 Bxe4 22. f4 Ng4 23. Qd4 Rac8 24. Bb6 Qb7 25. Rxd7 Qa8 26. Re1 Bxg2 27. f5 Bh3 28. Qd2 Qc6 29. Rd6 Qf3 30. Bxe6+ Kh8 31. Rd3 Ne5 32. Rde3 Qb7 33. Rxh3 Qxb6+ 34. Kh1 Qc6+ 35. Bd5 Qc2 36. Qf4 Nf7 37. Rg1 Ng5 38. Rh5 Rcd8 39. Bg2 Re2 40. Qg3 Qxb2 41. h4 Nf7 42. Bf3 Rg8 43. Bxe2 Qxe2 44. Qg6 Nh6 45. Rxh6 Qf3+ 46. Kh2 Qf4+ 47. Rg3 Qxh6 48. Qxh6 gxh6 49. Rd3 Re8 50. Kg3 h5 51. Rd6 Re3+ 52. Kf4 Ra3 53. Rxf6 Rxa2 54. Rb6 Kg7 55. Rb7+ Kg8 56. Kg5 Rb2 57. Kf6 h6 1/2-1/2

[Event "Marburg op-B"]
[Site "Marburg"]
[Date "2023.10.26"]
[Round "1"]
[White "Dietrich, Fabian"]
[Black "Warkentin, Waldemar"]
[Result "0-1"]
[ECO "B03"]
[WhiteElo "1288"]
[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 Nf6 2. e5 Nd5 3. d4 d6 4. exd6 cxd6 5. c4 Nf6 6. Nc3 g6 7. Nf3 Bg7 8. Be2 Bf5 9. Nh4 Bd7 10. Nf3 Nc6 11. 0-0 0-0 12. Bf4 Nh5 13. Be3 e5 14. d5 Ne7 15. Nd2 f5 16. f4 exf4 17. Bxf4 Qb6+ 18. Kh1 Nxf4 19. Rxf4 Qxb2 20. Nb5 Qxa1 21. Qxa1 Bxa1 22. Rf1 Be5 23. Rb1 Rfc8 24. Na3 Rab8 25. Nf3 Bf6 26. Nb5 Bxb5 27. Rxb5 Rc5 28. Rb3 Nxd5 29. cxd5 Rc1+ 30. Ng1 Bd4 31. h3 Bxg1 32. Ba6 Bd4+ 0-1

