[Event "Krefeld op"]
[Site "Krefeld"]
[Date "2023.08.06"]
[Round "9"]
[White "Kirsten, Lino"]
[Black "Ziegler, Arndt Henning"]
[Result "0-1"]
[ECO "D20"]
[WhiteElo "1427"]
[PlyCount "56"]
[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 d5 2. c4 dxc4 3. e4 e5 4. d5 Nf6 5. Nc3 b5 6. f3 Bb4 7. Bd2 0-0 8. Nxb5 Bxd2+ 9. Qxd2 c6 10. Nc3 cxd5 11. Nxd5 Nc6 12. Bxc4 Be6 13. Ne2 Rb8 14. b3 Bxd5 15. Bxd5 Nxd5 16. exd5 Ne7 17. Nc3 Qd6 18. 0-0 Rfd8 19. Rfd1 Rb4 20. Ne4 Qb6+ 21. Qf2 Qxf2+ 22. Nxf2 Rxd5 23. Rxd5 Nxd5 24. Nd3 Rb6 25. Nxe5 Re6 26. Nc4 Nc3 27. a4 f6 28. Rc1 Ne2+ 0-1

[Event "Krefeld op"]
[Site "Krefeld"]
[Date "2023.08.05"]
[Round "6"]
[White "Stiller, Harald"]
[Black "Ziegler, Arndt Henning"]
[Result "1/2-1/2"]
[ECO "C67"]
[WhiteElo "1363"]
[PlyCount "66"]
[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. Nf3 Nc6 3. Bb5 Nf6 4. 0-0 Nxe4 5. Re1 Nd6 6. Nxe5 Nxe5 7. Rxe5+ Be7 8. d4 0-0 9. Bf1 Bf6 10. Re1 Nf5 11. c3 d5 12. Nd2 Be6 13. Nf3 Nd6 14. Bf4 Re8 15. Ne5 Nc4 16. Nxc4 dxc4 17. Qa4 a6 18. g3 c6 19. Bg2 b5 20. Qd1 Bd5 21. Bh3 Rxe1+ 22. Qxe1 Qe8 23. Qe3 Qxe3 24. fxe3 Be6 25. Bxe6 fxe6 26. Re1 Kf7 27. Bd6 Rd8 28. Bc5 e5 29. Kf2 Ke6 30. Kf3 Kf5 31. e4+ Ke6 32. Rd1 h6 33. h4 Rd7 1/2-1/2

[Event "Krefeld op"]
[Site "Krefeld"]
[Date "2023.08.05"]
[Round "7"]
[White "Ziegler, Arndt Henning"]
[Black "Klees, Robert"]
[Result "0-1"]
[ECO "C54"]
[BlackElo "1459"]
[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. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. c3 a6 6. 0-0 b5 7. Bb3 d6 8. h3 a5 9. Re1 a4 10. Bc2 Bd7 11. d4 exd4 12. e5 dxe5 13. cxd4 Ba7 14. Bg5 Nxd4 15. Nxd4 0-0 16. Rxe5 h6 17. Bxf6 Qxf6 18. Qd3 g6 19. Nf3 Be6 20. Nc3 Rad8 21. Qe2 Bc4 22. Qe1 Bb8 23. Rd1 c6 24. Rxd8 Qxd8 25. Re4 Kg7 26. Qd2 Qc8 27. Qd4+ Kg8 28. Rh4 Rd8 29. Qf6 Rd6 30. Qe7 Re6 31. Qc5 Qc7 32. g3 Ba7 33. Nxb5 Bxb5 34. Qc3 Qxg3+ 35. Kh1 Qxf2 36. Rxh6 Qf1+ 37. Kh2 Bb8+ 0-1

[Event "Krefeld op"]
[Site "Krefeld"]
[Date "2023.08.04"]
[Round "4"]
[White "Wartenberg, Julian"]
[Black "Ziegler, Arndt Henning"]
[Result "1-0"]
[ECO "C58"]
[WhiteElo "1532"]
[PlyCount "99"]
[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. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Bd3 h6 9. Ne4 Be7 10. Nxf6+ Bxf6 11. 0-0 0-0 12. Nc3 Be6 13. Be4 Rc8 14. d3 Nb7 15. Qf3 Nd6 16. Bxc6 Nf5 17. Be4 Nd4 18. Qh5 Re8 19. Qd1 Bh4 20. Be3 f5 21. Bf3 Bg5 22. Rc1 Bd7 23. Bh5 Rf8 24. Ne2 Bc6 25. Nxd4 exd4 26. Bxg5 Qxg5 27. Bf3 f4 28. Bxc6 Rxc6 29. Qf3 Rb6 30. b3 Qf5 31. Rfe1 g5 32. Qe4 f3 33. Qxf5 Rxf5 34. Re8+ Kf7 35. Rd8 Ra6 36. a4 fxg2 37. Rxd4 Raf6 38. Rg4 Rxf2 39. Rxg2 Rxg2+ 40. Kxg2 Ke6 41. Rf1 Rg6 42. Kg3 Kd5 43. c3 Ke5 44. Kg4 Rc6 45. Rf5+ Ke6 46. c4 a6 47. b4 Rc8 48. Ra5 Rc6 49. b5 axb5 50. axb5 1-0

[Event "Krefeld op"]
[Site "Krefeld"]
[Date "2023.08.03"]
[Round "2"]
[White "Grosser, Walter"]
[Black "Ziegler, Arndt Henning"]
[Result "1-0"]
[ECO "D20"]
[WhiteElo "1896"]
[PlyCount "94"]
[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 d5 2. c4 dxc4 3. Nc3 Nf6 4. Bg5 h6 5. Bh4 Bf5 6. e3 e6 7. Bxc4 Be7 8. Nf3 0-0 9. Ne5 Nbd7 10. Nxd7 Qxd7 11. 0-0 c6 12. Rc1 Rac8 13. Bd3 Bxd3 14. Qxd3 Nd5 15. Bxe7 Qxe7 16. a3 Nxc3 17. Rxc3 e5 18. Qe4 Rfe8 19. dxe5 Qxe5 20. Qxe5 Rxe5 21. Rd1 Rce8 22. Kf1 Kf8 23. Rcd3 f6 24. Ke2 Kf7 25. f4 Re4 26. Kf3 f5 27. Rd7+ R4e7 28. g4 g6 29. h4 Rxd7 30. Rxd7+ Re7 31. Rxe7+ Kxe7 32. gxf5 gxf5 33. e4 fxe4+ 34. Kxe4 Ke6 35. b4 h5 36. a4 b6 37. a5 c5 38. bxc5 bxa5 39. f5+ Ke7 40. c6 a4 41. Kd3 a3 42. Kc3 Kd6 43. f6 a5 44. Kb3 Kxc6 45. f7 Kb5 46. f8Q a2 47. Kxa2 Ka4 1-0

[Event "Krefeld op"]
[Site "Krefeld"]
[Date "2023.08.03"]
[Round "3"]
[White "Ziegler, Arndt Henning"]
[Black "Goldkuhle, Collin"]
[Result "0-1"]
[ECO "B73"]
[BlackElo "1627"]
[PlyCount "58"]
[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 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Be2 0-0 8. 0-0 d6 9. a4 Bd7 10. Kh1 Rc8 11. f4 Nxd4 12. Bxd4 Qa5 13. Qd3 a6 14. h3 Bc6 15. Bf3 Qb4 16. Rfd1 Bh6 17. Bxf6 exf6 18. Ne2 Rfd8 19. Qd4 Qa5 20. b4 Qc7 21. c4 Bg7 22. Qe3 f5 23. e5 dxe5 24. Bxc6 exf4 25. Qxf4 Qxc6 26. b5 Qe8 27. Rxd8 Rxd8 28. Re1 Bc3 29. Rc1 Qxe2 0-1

