[Event "GER-ch U25 op-B"]
[Site "Willingen"]
[Date "2024.05.25"]
[Round "9"]
[White "Klages, Jonas"]
[Black "John, Niklas"]
[Result "1-0"]
[ECO "B55"]
[WhiteElo "1693"]
[BlackElo "1797"]
[PlyCount "139"]
[EventDate "2024.05.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 g6 6. c4 Bg7 7. Nc3 0-0 8. Be3 Nc6 9. Nc2 Be6 10. Qd2 Rc8 11. Rc1 Qa5 12. Be2 Nd7 13. Nd4 Nxd4 14. Bxd4 Bxd4 15. Qxd4 Qg5 16. 0-0 a6 17. Rfd1 Ne5 18. b3 h5 19. Qf2 Nd7 20. Kf1 Qc5 21. Qg3 Qe3 22. Rc2 Rc7 23. Qh4 Nf6 24. Rd3 Qh6 25. Qf2 Rfc8 26. Na4 d5 27. exd5 Bf5 28. Nb6 Bxd3 29. Bxd3 Rd8 30. Qg3 Rc5 31. b4 Nxd5 32. Nxd5 Rdxd5 33. bxc5 Rxd3 34. Qb8+ Kh7 35. Qxb7 Qe3 36. Qb1 Qd4 37. Qb2 Qe3 38. Qc1 Qd4 39. Ke2 Qd8 40. Rd2 Rd4 41. Qc3 Rxd2+ 42. Qxd2 Qc7 43. Qd5 Kg7 44. g3 Qa5 45. c6 Qxa2+ 46. Ke3 Qb3+ 47. Ke4 Qc2+ 48. Qd3 Qa4 49. Qd4+ Kh7 50. Qd5 Qc2+ 51. Kd4 Qf2+ 52. Kd3 Qf1+ 53. Kc2 Qf2+ 54. Kb3 Qb6+ 55. Kc3 Qe3+ 56. Qd3 Qc5 57. Qd5 Qe3+ 58. Kb4 Qb6+ 59. Ka4 Kg7 60. Qd7 Qc5 61. Qb7 Qxc4+ 62. Ka5 Qc5+ 63. Kxa6 Qd6 64. Qd7 Qa3+ 65. Kb7 Qa4 66. Qxe7 Qb5+ 67. Kc7 Qa6 68. Kd7 Qb5 69. f4 Qf5+ 70. Kd8 1-0

[Event "GER-ch U25 op-B"]
[Site "Willingen"]
[Date "2024.05.24"]
[Round "8"]
[White "Bock, Leonas"]
[Black "Klages, Jonas"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "1603"]
[BlackElo "1693"]
[PlyCount "102"]
[EventDate "2024.05.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Bd6 5. Bd3 Nf6 6. Qe2+ Qe7 7. Qxe7+ Kxe7 8. 0-0 Bg4 9. Re1+ Kd8 10. Ne5 Be6 11. Nd2 Nbd7 12. Ndf3 c5 13. c3 c4 14. Bc2 h6 15. Re2 b5 16. b4 a5 17. bxa5 Kc7 18. Nxd7 Nxd7 19. Nh4 Rxa5 20. Nf5 Bxf5 21. Bxf5 Rha8 22. g3 Nb6 23. Bf4 Bxf4 24. gxf4 Kd6 25. Rb2 Na4 26. Rc2 g6 27. Bh3 Nb6 28. Rb2 f5 29. f3 Nd7 30. Re2 Nf8 31. Kf2 Ra3 32. Rc2 Ne6 33. Kg3 Ng7 34. Bf1 Nh5+ 35. Kf2 Nxf4 36. Kg3 g5 37. h4 Ke6 38. Bh3 Kf6 39. Bf1 Ng6 40. hxg5+ hxg5 41. Bh3 Ne7 42. f4 g4 43. Bg2 b4 44. Kf2 b3 45. Re2 Rxa2 46. Rb1 Rxe2+ 47. Kxe2 Ra2+ 48. Kf1 Rc2 49. Kg1 g3 50. Bf1 b2 51. Kh1 g2+ 0-1

[Event "GER-ch U25 op-B"]
[Site "Willingen"]
[Date "2024.05.23"]
[Round "7"]
[White "Klages, Jonas"]
[Black "Reger, Christoph"]
[Result "1-0"]
[ECO "B42"]
[WhiteElo "1693"]
[BlackElo "1623"]
[PlyCount "101"]
[EventDate "2024.05.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Qc7 6. 0-0 Nf6 7. Re1 Nc6 8. Nf3 d6 9. Nc3 b5 10. a3 Be7 11. Bg5 h6 12. Be3 Ng4 13. Bc1 Bb7 14. h3 Nf6 15. Be3 g5 16. Nh2 Ne5 17. Bd4 Ned7 18. Qe2 e5 19. Be3 d5 20. exd5 Nxd5 21. Nxd5 Bxd5 22. Rad1 Qc6 23. Bf5 Rd8 24. Bd4 0-0 25. Bxd7 Rxd7 26. Qxe5 f6 27. Qf5 Kg7 28. Nf1 Rc7 29. Ng3 Bf7 30. c3 Bg6 31. Qg4 Bd6 32. Nf5+ Bxf5 33. Qxf5 Qd7 34. Qxd7+ Rxd7 35. Re6 Be7 36. Rde1 Rf7 37. Rxa6 Bd8 38. Rae6 Kg6 39. Kf1 Rde7 40. Rxe7 Rxe7 41. Rxe7 Bxe7 42. g4 f5 43. f3 h5 44. Ke2 fxg4 45. fxg4 hxg4 46. hxg4 Kf7 47. Kd3 Ke6 48. c4 b4 49. axb4 Bxb4 50. Be3 Be7 51. Ke4 1-0

[Event "GER-ch U25 op-B"]
[Site "Willingen"]
[Date "2024.05.22"]
[Round "6"]
[White "He, Saiqi"]
[Black "Klages, Jonas"]
[Result "1/2-1/2"]
[ECO "C01"]
[WhiteElo "1659"]
[BlackElo "1693"]
[PlyCount "49"]
[EventDate "2024.05.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Bd6 5. Nf3 Nf6 6. Qe2+ Be6 7. 0-0 0-0 8. Be3 h6 9. h3 Re8 10. c3 Nbd7 11. Qc2 b6 12. Nbd2 c5 13. Qd1 c4 14. Bc2 Qc7 15. Re1 b5 16. Rc1 a5 17. Nh4 Nb6 18. Nf5 Bxf5 19. Bxf5 b4 20. Bc2 a4 21. cxb4 Bxb4 22. Qf3 Qd7 23. Red1 Nh7 24. Nf1 Nf8 25. Ng3 1/2-1/2

[Event "GER-ch U25 op-B"]
[Site "Willingen"]
[Date "2024.05.22"]
[Round "5"]
[White "Klages, Jonas"]
[Black "Neumeier, Konstantin"]
[Result "1-0"]
[ECO "C21"]
[WhiteElo "1693"]
[BlackElo "1710"]
[PlyCount "14"]
[EventDate "2024.05.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 e5 2. d4 f6 3. dxe5 Kf7 4. h4 a5 5. h5 a4 6. c4 Ke7 7. exf6+ Ke8 1-0

[Event "GER-ch U25 op-B"]
[Site "Willingen"]
[Date "2024.05.21"]
[Round "4"]
[White "Mahr, Thorben"]
[Black "Klages, Jonas"]
[Result "1/2-1/2"]
[ECO "D20"]
[WhiteElo "1496"]
[BlackElo "1693"]
[PlyCount "60"]
[EventDate "2024.05.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Bd6 5. c4 dxc4 6. Bxc4 Qe7+ 7. Be3 Nf6 8. 0-0 0-0 9. h3 h6 10. Re1 Qd8 11. Nc3 Bf5 12. Qb3 b6 13. Rac1 Nc6 14. Qa4 Ne7 15. Nb5 Ned5 16. Nxd6 Qxd6 17. Bxd5 Nxd5 18. Rc6 Qd8 19. Qb3 Be6 20. Qd1 Nb4 21. Rc1 Nxa2 22. Ra1 Nb4 23. Ne5 Bf5 24. Qf3 Bh7 25. Nc6 Nxc6 26. Qxc6 Qd6 27. Rec1 Qb4 28. Qxc7 Qxb2 29. Rxa7 Rxa7 30. Qxa7 Be4 1/2-1/2

[Event "GER-ch U25 op-B"]
[Site "Willingen"]
[Date "2024.05.20"]
[Round "3"]
[White "Klages, Jonas"]
[Black "Barthelmes, Venice"]
[Result "1-0"]
[ECO "C87"]
[WhiteElo "1693"]
[BlackElo "1655"]
[PlyCount "81"]
[EventDate "2024.05.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. 0-0 Be7 5. Re1 d6 6. c3 0-0 7. h3 a6 8. Ba4 b5 9. Bc2 Bb7 10. d3 Re8 11. Nbd2 Bf8 12. Nf1 h6 13. Ng3 d5 14. exd5 Nxd5 15. Nf5 Qf6 16. d4 exd4 17. Rxe8 Rxe8 18. Qd3 g6 19. Nxh6+ Bxh6 20. Bxh6 Nf4 21. Bxf4 Qxf4 22. Nxd4 Nxd4 23. cxd4 Qg5 24. f3 Re3 25. Qd2 Qe7 26. Kf2 Re6 27. Bb3 Rd6 28. Qe3 Qxe3+ 29. Kxe3 Kg7 30. Rc1 Rd7 31. Rc5 f6 32. Rc2 g5 33. Rd2 c6 34. Bc2 a5 35. a4 b4 36. b3 Kf7 37. Be4 Ba8 38. Rc2 Rc7 39. Rc5 Bb7 40. Rxa5 Ke6 41. Rc5 1-0

[Event "GER-ch U25 op-B"]
[Site "Willingen"]
[Date "2024.05.19"]
[Round "1"]
[White "Klages, Jonas"]
[Black "Grunert, Heinrich"]
[Result "0-1"]
[ECO "C08"]
[WhiteElo "1693"]
[BlackElo "1668"]
[PlyCount "86"]
[EventDate "2024.05.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. dxc5 Bxc5 5. Nb3 Bb6 6. exd5 exd5 7. Bb5+ Nc6 8. Nf3 Nge7 9. 0-0 0-0 10. Bf4 a6 11. Bd3 Bg4 12. Bxh7+ Kh8 13. Bd3 Nb4 14. Be2 Bf5 15. c3 Nbc6 16. Nbd4 Nxd4 17. Nxd4 Bxd4 18. Qxd4 Nc6 19. Qd2 Re8 20. Bf3 Be4 21. Bxe4 dxe4 22. Qe3 Qd3 23. Rad1 Qxe3 24. Bxe3 Rad8 25. Bb6 Rxd1 26. Rxd1 f5 27. Kf1 Kh7 28. Ke2 Ne5 29. Bc7 Nd3 30. b3 Rc8 31. Ba5 Rc5 32. Bb4 Rd5 33. g3 Nxb4 34. cxb4 Rxd1 35. Kxd1 Kg6 36. Ke2 Kf6 37. Ke3 Ke5 38. f3 g5 39. h4 f4+ 40. gxf4+ gxf4+ 41. Ke2 e3 42. a4 b5 43. a5 Kf5 0-1

[Event "GER-ch U25 op-B"]
[Site "Willingen"]
[Date "2024.05.19"]
[Round "2"]
[White "Pflug, Anton"]
[Black "Klages, Jonas"]
[Result "1/2-1/2"]
[ECO "C02"]
[WhiteElo "1655"]
[BlackElo "1693"]
[PlyCount "91"]
[EventDate "2024.05.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. a3 cxd4 7. cxd4 Bd7 8. b4 a6 9. Bb2 Nge7 10. Nc3 Ng6 11. Na4 Qc7 12. Rc1 f6 13. h4 b5 14. Nc5 Bxc5 15. Rxc5 Qb6 16. h5 Nge7 17. Bd3 0-0 18. 0-0 Be8 19. Nh4 fxe5 20. dxe5 Nd8 21. Bd4 Nec6 22. Be3 Qb8 23. f4 Nb7 24. Rc1 Qd8 25. Nf3 Rc8 26. Ng5 Qe7 27. Nxh7 Rf7 28. Bg6 Qh4 29. Bxf7+ Bxf7 30. Ng5 Nbd8 31. Qd3 Qxh5 32. Bb6 Nxe5 33. fxe5 Rxc1 34. Rxc1 Qxg5 35. Rc8 Bg6 36. Qh3 Qxe5 37. Rxd8+ Kf7 38. Qf3+ Bf5 39. Qh5+ Ke7 40. Re8+ Kd6 41. Bc5+ Kc6 42. Qd1 Bc2 43. Qxc2 Qe1+ 44. Kh2 Qh4+ 45. Kg1 Qe1+ 46. Kh2 1/2-1/2

[Event "Verden op-C"]
[Site "Verden"]
[Date "2023.01.07"]
[Round "5"]
[White "Klages, Jonas"]
[Black "Rauschel, Maximilian"]
[Result "0-1"]
[ECO "C49"]
[PlyCount "78"]
[EventDate "2023.01.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. Bb5 Bb4 5. d3 d6 6. Bd2 Bd7 7. 0-0 a6 8. Bc4 0-0 9. Bg5 Bxc3 10. bxc3 Be6 11. Bb3 Bxb3 12. cxb3 Qe7 13. Re1 Qe6 14. Qd2 Rad8 15. c4 Rd7 16. Qc3 Re8 17. Rad1 h6 18. Bh4 Red8 19. Rd2 g5 20. Bg3 b6 21. a3 Kg7 22. Kf1 Na7 23. d4 exd4 24. Nxd4 Qe8 25. Nf5+ Kg6 26. Nxh6 Nxe4 27. Qd3 f5 28. Ng4 Nxd2+ 29. Qxd2 Re7 30. Ne3 f4 31. Nd5 Rxe1+ 32. Qxe1 Qxe1+ 33. Kxe1 fxg3 34. fxg3 Re8+ 35. Kf2 c6 36. Nc7 Re7 37. Nxa6 b5 38. cxb5 Nxb5 39. a4 Nd4 0-1

[Event "Verden op-C"]
[Site "Verden"]
[Date "2023.01.07"]
[Round "6"]
[White "Nechitailo, Lev"]
[Black "Klages, Jonas"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "1460"]
[PlyCount "37"]
[EventDate "2023.01.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. 0-0 d6 6. Bg5 Bg4 7. Nbd2 h6 8. Bh4 Qe7 9. c3 Qd7 10. Qb3 Na5 11. Qb5 Qxb5 12. Bxb5+ Nc6 13. d4 a6 14. Bxc6+ bxc6 15. dxc5 dxc5 16. Nxe5 Bd7 17. Bxf6 gxf6 18. Nxd7 Kxd7 19. Nc4 1-0

[Event "Verden op-C"]
[Site "Verden"]
[Date "2023.01.06"]
[Round "4"]
[White "Eitel, Luc"]
[Black "Klages, Jonas"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "1208"]
[PlyCount "81"]
[EventDate "2023.01.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 d6 5. d3 Nf6 6. a4 a6 7. 0-0 Ng4 8. h3 Nf6 9. Nbd2 Qe7 10. Re1 Be6 11. b4 Bxc4 12. Nxc4 Ba7 13. Qc2 h6 14. Bb2 0-0 15. b5 axb5 16. axb5 Nd8 17. Ba3 Ne6 18. Ncxe5 Qe8 19. Nc4 Qxb5 20. Reb1 Qd7 21. e5 Nh5 22. exd6 cxd6 23. Bxd6 Rfe8 24. d4 b5 25. Nfe5 Qb7 26. Ra5 Nef4 27. Ne3 Qb6 28. Bb4 Qb7 29. Nd3 Rac8 30. Nxf4 Nxf4 31. Qd2 Rc6 32. f3 Rce6 33. Re1 Rg6 34. Ng4 Rxe1+ 35. Qxe1 Ne6 36. Ne5 Rg5 37. Qe4 Qb8 38. Qd5 Kh7 39. Rxb5 Qe8 40. Rb7 Qa4 41. Rxf7 1-0

[Event "Verden op-C"]
[Site "Verden"]
[Date "2023.01.06"]
[Round "3"]
[White "Klages, Jonas"]
[Black "Fize, Aleksandrs"]
[Result "1-0"]
[ECO "B48"]
[BlackElo "1142"]
[PlyCount "65"]
[EventDate "2023.01.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. f3 b5 8. a3 Bb7 9. Be2 Nf6 10. Nxc6 Bxc6 11. Qd4 Bd6 12. g3 0-0 13. 0-0-0 Be5 14. Qb6 Qxb6 15. Bxb6 Rac8 16. Bd4 Bxd4 17. Rxd4 e5 18. Rd2 Rfd8 19. Bd3 d5 20. exd5 Bxd5 21. Nxd5 Nxd5 22. Re1 f6 23. Bf5 Rb8 24. Be6+ Kf8 25. Rxd5 Rxd5 26. Bxd5 g5 27. Be4 h6 28. Rd1 Ke7 29. g4 Rh8 30. Bf5 Kf7 31. Rd7+ Ke8 32. Ra7 h5 33. Ra8+ 1-0

[Event "Verden op-C"]
[Site "Verden"]
[Date "2023.01.05"]
[Round "2"]
[White "Klages, Jonas"]
[Black "Wegmann, Uwe"]
[Result "0-1"]
[ECO "B50"]
[BlackElo "1245"]
[PlyCount "103"]
[EventDate "2023.01.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. Nc3 d6 4. Bb5+ Bd7 5. Bxd7+ Qxd7 6. d3 Be7 7. e5 d5 8. d4 Nc6 9. Be3 cxd4 10. Nxd4 Nxe5 11. Qh5 Nc4 12. Bc1 Nf6 13. Qg5 0-0 14. Qg3 Nh5 15. Qg4 g6 16. Bh6 f5 17. Qe2 Rf7 18. Qxe6 Qc7 19. Nxd5 Qc5 20. 0-0 Re8 21. Nxe7+ Rexe7 22. Qxe7 Rxe7 23. Nb3 Qd6 24. Rad1 Qc7 25. Rb1 Kf7 26. Nd4 f4 27. Rfd1 Nf6 28. b3 Ne4 29. bxc4 Nc3 30. Nb3 Nxd1 31. Rxd1 Qd7 32. Rxd7 Rxd7 33. h3 Rc7 34. Nd2 Rd7 35. Bxf4 a6 36. Kf1 Ke6 37. Ke2 Kf5 38. Be3 h5 39. f3 g5 40. g4+ Kg6 41. Ne4 hxg4 42. hxg4 Rh7 43. Nxg5 Rh1 44. Ne4 Rh2+ 45. Kd3 Rh1 46. Nd6 Ra1 47. Nxb7 Rxa2 48. Nc5 a5 49. Nb3 a4 50. Nc1 Rb2 51. Bd4 Rb1 52. Kd2 0-1

