[Event "Itzehoe op"]
[Site "Itzehoe"]
[Date "2025.06.01"]
[Round "7"]
[White "Krause, Ortwin"]
[Black "Graefenstein, Leonardo"]
[Result "1-0"]
[ECO "C30"]
[WhiteElo "1609"]
[PlyCount "31"]
[EventDate "2025.05.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. e4 e5 2. f4 f6 3. fxe5 fxe5 4. Qh5+ g6 5. Qxe5+ Ne7 6. Qxh8 Nbc6 7. Qxh7 Nb4 8. Na3 b5 9. c3 Nd3+ 10. Bxd3 Bb7 11. Nf3 a6 12. 0-0 Nd5 13. exd5 Bd6 14. Bxg6+ Kf8 15. Ng5+ Qf6 16. Rxf6# 1-0

[Event "Itzehoe op"]
[Site "Itzehoe"]
[Date "2025.06.01"]
[Round "7"]
[White "Krause, Ortwin"]
[Black "Graefenstein, Leonardo"]
[Result "1-0"]
[ECO "C30"]
[WhiteElo "1609"]
[PlyCount "31"]
[EventDate "2025.05.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. e4 e5 2. f4 f6 3. fxe5 fxe5 4. Qh5+ g6 5. Qxe5+ Ne7 6. Qxh8 Nbc6 7. Qxh7 Nb4 8. Na3 b5 9. c3 Nd3+ 10. Bxd3 Bb7 11. Nf3 a6 12. 0-0 Nd5 13. exd5 Bd6 14. Bxg6+ Kf8 15. Ng5+ Qf6 16. Rxf6# 1-0

[Event "Itzehoe op"]
[Site "Itzehoe"]
[Date "2025.05.30"]
[Round "4"]
[White "Baechler, Andreas"]
[Black "Krause, Ortwin"]
[Result "1-0"]
[ECO "B41"]
[WhiteElo "1855"]
[BlackElo "1609"]
[PlyCount "95"]
[EventDate "2025.05.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. c4 Nc6 4. d4 cxd4 5. Nxd4 e6 6. Nc3 Bc5 7. Nb3 Ba7 8. Bf4 Qf6 9. Bg3 Nd4 10. e5 Qd8 11. Nxd4 Qb6 12. Nb3 h5 13. Qd6 Qd8 14. h4 Nh6 15. Bd3 Ng4 16. Be2 Nh6 17. Ne4 Nf5 18. Qd3 Qb6 19. Nd6+ Nxd6 20. Qxd6 Qd8 21. Bf4 Bb8 22. Qd3 Qe7 23. c5 Qd8 24. Bg5 Qc7 25. Qd6 Qxd6 26. cxd6 Ba7 27. Bf3 Rb8 28. Rc1 0-0 29. Be7 Re8 30. Bxh5 Bb6 31. Bf3 a5 32. a4 Kh7 33. Be4+ Kg8 34. Ke2 Bd8 35. Bxd8 Rxd8 36. Rc7 b6 37. Nd4 Kf8 38. Rhc1 Ke8 39. Ra7 Kf8 40. Rcc7 Kg8 41. Bc6 Kh7 42. Bxd7 Rxd7 43. Rxd7 Bxd7 44. Rxd7 Kg6 45. Rc7 f6 46. d7 fxe5 47. Rc8 Ra8 48. Rc7 1-0

[Event "Itzehoe op"]
[Site "Itzehoe"]
[Date "2025.05.30"]
[Round "4"]
[White "Baechler, Andreas"]
[Black "Krause, Ortwin"]
[Result "1-0"]
[ECO "B41"]
[WhiteElo "1855"]
[BlackElo "1609"]
[PlyCount "95"]
[EventDate "2025.05.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. c4 Nc6 4. d4 cxd4 5. Nxd4 e6 6. Nc3 Bc5 7. Nb3 Ba7 8. Bf4 Qf6 9. Bg3 Nd4 10. e5 Qd8 11. Nxd4 Qb6 12. Nb3 h5 13. Qd6 Qd8 14. h4 Nh6 15. Bd3 Ng4 16. Be2 Nh6 17. Ne4 Nf5 18. Qd3 Qb6 19. Nd6+ Nxd6 20. Qxd6 Qd8 21. Bf4 Bb8 22. Qd3 Qe7 23. c5 Qd8 24. Bg5 Qc7 25. Qd6 Qxd6 26. cxd6 Ba7 27. Bf3 Rb8 28. Rc1 0-0 29. Be7 Re8 30. Bxh5 Bb6 31. Bf3 a5 32. a4 Kh7 33. Be4+ Kg8 34. Ke2 Bd8 35. Bxd8 Rxd8 36. Rc7 b6 37. Nd4 Kf8 38. Rhc1 Ke8 39. Ra7 Kf8 40. Rcc7 Kg8 41. Bc6 Kh7 42. Bxd7 Rxd7 43. Rxd7 Bxd7 44. Rxd7 Kg6 45. Rc7 f6 46. d7 fxe5 47. Rc8 Ra8 48. Rc7 1-0

[Event "Itzehoe op"]
[Site "Itzehoe"]
[Date "2025.05.30"]
[Round "3"]
[White "Krause, Ortwin"]
[Black "Lick, Patrick"]
[Result "0-1"]
[ECO "B33"]
[WhiteElo "1609"]
[BlackElo "2180"]
[PlyCount "23"]
[EventDate "2025.05.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. Nc3 e5 7. a3 Bc5 8. Bg5 Qb6 9. Kd2 Qxb2 10. Na4 Qd4+ 11. Bd3 Nxe4+ 12. Ke1 0-1

[Event "Itzehoe op"]
[Site "Itzehoe"]
[Date "2025.05.30"]
[Round "3"]
[White "Krause, Ortwin"]
[Black "Lick, Patrick"]
[Result "0-1"]
[ECO "B33"]
[WhiteElo "1609"]
[BlackElo "2180"]
[PlyCount "23"]
[EventDate "2025.05.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. Nc3 e5 7. a3 Bc5 8. Bg5 Qb6 9. Kd2 Qxb2 10. Na4 Qd4+ 11. Bd3 Nxe4+ 12. Ke1 0-1

[Event "Itzehoe op"]
[Site "Itzehoe"]
[Date "2025.05.29"]
[Round "1"]
[White "Krause, Ortwin"]
[Black "Farokhi, Darian"]
[Result "1-0"]
[ECO "C34"]
[WhiteElo "1609"]
[BlackElo "1867"]
[PlyCount "119"]
[EventDate "2025.05.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. e4 e5 2. f4 exf4 3. Nf3 d6 4. Bc4 Be6 5. Qe2 Nc6 6. d4 Bxc4 7. Qxc4 Qd7 8. 0-0 Nf6 9. Nc3 0-0-0 10. Bxf4 d5 11. exd5 Nxd5 12. Nxd5 Qxd5 13. Qxd5 Rxd5 14. c3 f6 15. b4 Bd6 16. Bxd6 Rxd6 17. Rae1 Kd7 18. Nd2 Kc8 19. Re2 Rdd8 20. Rfe1 Kd7 21. b5 Nb8 22. Re7+ Kc8 23. Rxg7 Rd7 24. Ree7 Rxe7 25. Rxe7 Kd8 26. Rf7 Nd7 27. Kf2 Ke8 28. Rg7 h5 29. h4 Rh6 30. Rg3 Kf7 31. Rf3 Ke6 32. c4 Rg6 33. Ra3 Rg4 34. Nf3 b6 35. Rxa7 Kd6 36. Ra8 Rf4 37. Rh8 Rf5 38. Ke3 Ne5 39. Nxe5 fxe5 40. Rh6+ Kd7 41. d5 Ke7 42. g3 Rf1 43. Re6+ Kd7 44. Rxe5 Rc1 45. Kd3 Rg1 46. Re3 Rg2 47. a3 Rg1 48. Ke4 Rc1 49. Kd4 Rd1+ 50. Rd3 Rc1 51. Rc3 Re1 52. c5 Rb1 53. Kc4 Rb2 54. cxb6 cxb6 55. Rb3 Rc2+ 56. Kd4 Kd6 57. Rc3 Rxc3 58. Kxc3 Kxd5 59. Kb4 Ke4 60. a4 1-0

[Event "Itzehoe op"]
[Site "Itzehoe"]
[Date "2025.05.29"]
[Round "1"]
[White "Krause, Ortwin"]
[Black "Farokhi, Darian"]
[Result "1-0"]
[ECO "C34"]
[WhiteElo "1609"]
[BlackElo "1867"]
[PlyCount "119"]
[EventDate "2025.05.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. e4 e5 2. f4 exf4 3. Nf3 d6 4. Bc4 Be6 5. Qe2 Nc6 6. d4 Bxc4 7. Qxc4 Qd7 8. 0-0 Nf6 9. Nc3 0-0-0 10. Bxf4 d5 11. exd5 Nxd5 12. Nxd5 Qxd5 13. Qxd5 Rxd5 14. c3 f6 15. b4 Bd6 16. Bxd6 Rxd6 17. Rae1 Kd7 18. Nd2 Kc8 19. Re2 Rdd8 20. Rfe1 Kd7 21. b5 Nb8 22. Re7+ Kc8 23. Rxg7 Rd7 24. Ree7 Rxe7 25. Rxe7 Kd8 26. Rf7 Nd7 27. Kf2 Ke8 28. Rg7 h5 29. h4 Rh6 30. Rg3 Kf7 31. Rf3 Ke6 32. c4 Rg6 33. Ra3 Rg4 34. Nf3 b6 35. Rxa7 Kd6 36. Ra8 Rf4 37. Rh8 Rf5 38. Ke3 Ne5 39. Nxe5 fxe5 40. Rh6+ Kd7 41. d5 Ke7 42. g3 Rf1 43. Re6+ Kd7 44. Rxe5 Rc1 45. Kd3 Rg1 46. Re3 Rg2 47. a3 Rg1 48. Ke4 Rc1 49. Kd4 Rd1+ 50. Rd3 Rc1 51. Rc3 Re1 52. c5 Rb1 53. Kc4 Rb2 54. cxb6 cxb6 55. Rb3 Rc2+ 56. Kd4 Kd6 57. Rc3 Rxc3 58. Kxc3 Kxd5 59. Kb4 Ke4 60. a4 1-0

[Event "Itzehoe op"]
[Site "Itzehoe"]
[Date "2025.05.29"]
[Round "2"]
[White "Von Koschitzky, Tilo"]
[Black "Krause, Ortwin"]
[Result "0-1"]
[ECO "D07"]
[WhiteElo "1871"]
[BlackElo "1609"]
[PlyCount "66"]
[EventDate "2025.05.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nc6 3. e3 Bg4 4. c4 e6 5. Nc3 Nf6 6. Qb3 Rb8 7. Be2 Bxf3 8. Bxf3 Bb4 9. 0-0 Bxc3 10. bxc3 0-0 11. Ba3 Re8 12. cxd5 exd5 13. c4 Na5 14. Qc2 Nxc4 15. Bb4 c6 16. Be2 b5 17. Bc5 Ra8 18. Rfe1 g6 19. Bxc4 bxc4 20. Rab1 Ne4 21. Bb4 a5 22. Ba3 Qc7 23. f3 Nf6 24. e4 Rab8 25. Rxb8 Qxb8 26. e5 Nd7 27. Rb1 Qa7 28. Qd2 Rxe5 29. Kf1 Re6 30. Qf4 Rf6 31. Qh4 Re6 32. Qd8+ Kg7 33. Qc8 Qxd4 0-1

[Event "Itzehoe op"]
[Site "Itzehoe"]
[Date "2025.05.29"]
[Round "2"]
[White "Von Koschitzky, Tilo"]
[Black "Krause, Ortwin"]
[Result "0-1"]
[ECO "D07"]
[WhiteElo "1871"]
[BlackElo "1609"]
[PlyCount "66"]
[EventDate "2025.05.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nc6 3. e3 Bg4 4. c4 e6 5. Nc3 Nf6 6. Qb3 Rb8 7. Be2 Bxf3 8. Bxf3 Bb4 9. 0-0 Bxc3 10. bxc3 0-0 11. Ba3 Re8 12. cxd5 exd5 13. c4 Na5 14. Qc2 Nxc4 15. Bb4 c6 16. Be2 b5 17. Bc5 Ra8 18. Rfe1 g6 19. Bxc4 bxc4 20. Rab1 Ne4 21. Bb4 a5 22. Ba3 Qc7 23. f3 Nf6 24. e4 Rab8 25. Rxb8 Qxb8 26. e5 Nd7 27. Rb1 Qa7 28. Qd2 Rxe5 29. Kf1 Re6 30. Qf4 Rf6 31. Qh4 Re6 32. Qd8+ Kg7 33. Qc8 Qxd4 0-1

[Event "Hamburg HSK Easter op"]
[Site "Hamburg"]
[Date "2025.04.18"]
[Round "1"]
[White "Krause, Ortwin"]
[Black "Kellner, Anton"]
[Result "0-1"]
[ECO "B50"]
[BlackElo "1797"]
[PlyCount "50"]
[EventDate "2025.04.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CB20_2025"]
[SourceDate "2025.05.14"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.14"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Nc3 a6 4. a4 Nc6 5. h3 g6 6. Bc4 Bg7 7. d3 e6 8. 0-0 Nge7 9. Bg5 0-0 10. Qd2 Qb6 11. Rfb1 Re8 12. Bh6 Nb4 13. Bxg7 Kxg7 14. Ne2 d5 15. Nf4 dxc4 16. Nh5+ gxh5 17. Qg5+ Ng6 18. e5 Qd8 19. Qxh5 Nxc2 20. Rc1 cxd3 21. g4 Qd5 22. Ng5 h6 23. Nxf7 Kxf7 24. Qxh6 Rh8 25. Qg5 Qxe5 0-1

[Event "Hamburg HSK Easter op"]
[Site "Hamburg"]
[Date "2025.04.18"]
[Round "1"]
[White "Krause, Ortwin"]
[Black "Kellner, Anton"]
[Result "0-1"]
[ECO "B50"]
[BlackElo "1797"]
[PlyCount "50"]
[EventDate "2025.04.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CB20_2025"]
[SourceDate "2025.05.14"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.14"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Nc3 a6 4. a4 Nc6 5. h3 g6 6. Bc4 Bg7 7. d3 e6 8. 0-0 Nge7 9. Bg5 0-0 10. Qd2 Qb6 11. Rfb1 Re8 12. Bh6 Nb4 13. Bxg7 Kxg7 14. Ne2 d5 15. Nf4 dxc4 16. Nh5+ gxh5 17. Qg5+ Ng6 18. e5 Qd8 19. Qxh5 Nxc2 20. Rc1 cxd3 21. g4 Qd5 22. Ng5 h6 23. Nxf7 Kxf7 24. Qxh6 Rh8 25. Qg5 Qxe5 0-1

[Event "Hamburg HSK Easter op"]
[Site "Hamburg"]
[Date "2025.04.18"]
[Round "2"]
[White "Schranz, Patrick"]
[Black "Krause, Ortwin"]
[Result "1-0"]
[ECO "D08"]
[WhiteElo "1696"]
[PlyCount "45"]
[EventDate "2025.04.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CB20_2025"]
[SourceDate "2025.05.14"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.14"]
[SourceQuality "1"]

1. d4 d5 2. c4 e5 3. dxe5 d4 4. Nf3 Nc6 5. Bg5 Nge7 6. e3 Bg4 7. Be2 h6 8. Bh4 dxe3 9. Qxd8+ Rxd8 10. fxe3 g5 11. Bf2 Ng6 12. 0-0 Ngxe5 13. Nxe5 Nxe5 14. Bxg4 Nxg4 15. Nc3 Nxf2 16. Rxf2 Bc5 17. Raf1 Bxe3 18. Re1 Rd3 19. Nd5 0-0 20. Rxe3 Rd1+ 21. Rf1 Rd2 22. Rb3 Re8 23. Nf6+ 1-0

[Event "Hamburg HSK Easter op"]
[Site "Hamburg"]
[Date "2025.04.18"]
[Round "2"]
[White "Schranz, Patrick"]
[Black "Krause, Ortwin"]
[Result "1-0"]
[ECO "D08"]
[WhiteElo "1696"]
[PlyCount "45"]
[EventDate "2025.04.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CB20_2025"]
[SourceDate "2025.05.14"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.14"]
[SourceQuality "1"]

1. d4 d5 2. c4 e5 3. dxe5 d4 4. Nf3 Nc6 5. Bg5 Nge7 6. e3 Bg4 7. Be2 h6 8. Bh4 dxe3 9. Qxd8+ Rxd8 10. fxe3 g5 11. Bf2 Ng6 12. 0-0 Ngxe5 13. Nxe5 Nxe5 14. Bxg4 Nxg4 15. Nc3 Nxf2 16. Rxf2 Bc5 17. Raf1 Bxe3 18. Re1 Rd3 19. Nd5 0-0 20. Rxe3 Rd1+ 21. Rf1 Rd2 22. Rb3 Re8 23. Nf6+ 1-0

