[Event "Karlsruhe Grenke op"]
[Site "Karlsruhe"]
[Date "2024.04.01"]
[Round "9"]
[White "Frank, Adam"]
[Black "Rosner, Jonas"]
[Result "1/2-1/2"]
[ECO "B42"]
[WhiteElo "2284"]
[BlackElo "2431"]
[PlyCount "42"]
[EventDate "2024.03.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CB14_2024"]
[SourceDate "2024.04.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Bc5 6. Nb3 Ba7 7. c4 Nc6 8. Nc3 Nge7 9. 0-0 0-0 10. Re1 Qc7 11. Be3 Bxe3 12. Rxe3 b6 13. Rc1 Ng6 14. g3 Bb7 15. c5 b5 16. f4 b4 17. Na4 Rad8 18. Bf1 f5 19. Qd6 Qxd6 20. cxd6 fxe4 21. Nbc5 Ba8 1/2-1/2

[Event "Karlsruhe Grenke op"]
[Site "Karlsruhe"]
[Date "2024.03.30"]
[Round "4"]
[White "Niemann, Hans Moke"]
[Black "Rosner, Jonas"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2676"]
[BlackElo "2431"]
[PlyCount "65"]
[EventDate "2024.03.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CB14_2024"]
[SourceDate "2024.04.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.01"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 Nd7 6. 0-0 a5 7. Nc3 a4 8. Bd2 a3 9. b3 h6 10. h3 Bh7 11. Re1 Ne7 12. Rc1 Nf5 13. Bd3 Be7 14. Ne2 Nh4 15. Nf4 Bxd3 16. Nxd3 Nxf3+ 17. Qxf3 Bg5 18. Be3 0-0 19. Qg4 Bxe3 20. Rxe3 Qg5 21. Qe2 Kh8 22. f4 Qh4 23. Rf1 Rac8 24. g3 Qe7 25. f5 exf5 26. Rxf5 Rce8 27. c3 c5 28. e6 cxd4 29. cxd4 Nf6 30. Rfe5 Kg8 31. Nf4 Rc8 32. exf7+ Qxf7 33. Re7 1-0

[Event "Karlsruhe Grenke op"]
[Site "Karlsruhe"]
[Date "2024.03.29"]
[Round "3"]
[White "Rosner, Jonas"]
[Black "Janeczko, Jakub"]
[Result "1-0"]
[ECO "A35"]
[WhiteElo "2431"]
[BlackElo "2278"]
[PlyCount "39"]
[EventDate "2024.03.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CB14_2024"]
[SourceDate "2024.04.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.01"]
[SourceQuality "1"]

1. c4 c5 2. Nf3 Nf6 3. Nc3 Nc6 4. e3 g6 5. d4 cxd4 6. exd4 d5 7. cxd5 Nxd5 8. Qb3 Nxc3 9. Bc4 e6 10. bxc3 Bd7 11. Be2 Qc7 12. 0-0 Rc8 13. Re1 Bd6 14. Bh6 Na5 15. Qb1 Qxc3 16. Bb5 Qb4 17. Bxd7+ Kxd7 18. Ne5+ Ke8 19. Qe4 Nc6 20. Nxf7 1-0

[Event "Titled Tuesday intern op 24th Oct Late"]
[Site "Chess.com INT"]
[Date "2023.10.24"]
[Round "2"]
[White "Cueto, Jose"]
[Black "Rosner, Jonas"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2112"]
[BlackElo "2431"]
[PlyCount "102"]
[EventDate "2023.10.24"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 e6 4. Nf3 Bd6 5. Ne5 0-0 6. Nd2 b6 7. c3 c5 8. Bd3 Ba6 9. Bc2 Qc7 10. Bg3 Nc6 11. f4 Ne7 12. Qf3 Nf5 13. Bf2 Be7 14. g4 Nd6 15. g5 Nfe4 16. Nxe4 Nxe4 17. Bxe4 dxe4 18. Qg3 Bd6 19. h4 Bxe5 20. fxe5 Bd3 21. h5 b5 22. h6 g6 23. Qf4 Qe7 24. dxc5 Rfd8 25. Qf6 Qxf6 26. exf6 a5 27. Bg3 Rd5 28. Bf4 Rxc5 29. Kf2 Rf5 30. Kg2 e5 31. Bg3 Rxg5 32. a4 Rf5 33. axb5 Bxb5 34. Rhc1 Bd3 35. c4 Rxf6 36. Bxe5 Rc6 37. c5 f6 38. Bd4 Kf7 39. Ra3 Ke6 40. Rca1 Rca6 41. c6 Rxc6 42. Rxa5 Rac8 43. Ra6 g5 44. Rxc6+ Rxc6 45. Ra8 Kf5 46. Rg8 Kg4 47. Rg7 Rc2+ 48. Kg1 f5 49. Rxh7 Kg3 50. Be5+ f4 51. exf4 Rc1# 0-1

[Event "Titled Tuesday intern op 24th Oct Late"]
[Site "Chess.com INT"]
[Date "2023.10.24"]
[Round "3"]
[White "Rosner, Jonas"]
[Black "Drygalov, Andrey"]
[Result "0-1"]
[ECO "B50"]
[WhiteElo "2431"]
[BlackElo "2475"]
[PlyCount "96"]
[EventDate "2023.10.24"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bc4 Nf6 4. d3 e6 5. 0-0 Be7 6. c3 0-0 7. Bb3 Nc6 8. Re1 e5 9. h3 Na5 10. Bc2 h6 11. Nbd2 Be6 12. Nf1 Rc8 13. Ng3 Nc6 14. Qe2 Re8 15. Be3 Bf8 16. Rad1 d5 17. exd5 Nxd5 18. Bc1 Qd7 19. Qf1 f6 20. Bb3 Bf7 21. Nh4 Nf4 22. Bxf7+ Qxf7 23. d4 cxd4 24. cxd4 Nxd4 25. Bxf4 exf4 26. Rxe8 Rxe8 27. Ngf5 Nxf5 28. Nxf5 Qe6 29. Nd4 Qxa2 30. Qb5 Qf7 31. Nf3 b6 32. Rd7 Qe6 33. Rxa7 Rd8 34. Kh2 Bc5 35. Qa4 Bxf2 36. Qxf4 Qd6 37. Qxd6 Rxd6 38. Rb7 Kh7 39. g4 h5 40. Kg2 Bc5 41. Kg3 hxg4 42. hxg4 Rd3 43. Kf4 Kh6 44. Nh4 g5+ 45. Kf5 gxh4 46. Kxf6 Rf3+ 47. Ke5 h3 48. g5+ Kxg5 0-1

[Event "Titled Tuesday intern op 24th Oct Late"]
[Site "Chess.com INT"]
[Date "2023.10.24"]
[Round "6"]
[White "Rosner, Jonas"]
[Black "Reprintsev, Alexander"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2431"]
[BlackElo "2227"]
[PlyCount "43"]
[EventDate "2023.10.24"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nf3 Bg4 4. Be2 Nc6 5. d4 0-0-0 6. c4 Qf5 7. Be3 Bxf3 8. Bxf3 Nxd4 9. Bxd4 Qe6+ 10. Be2 c5 11. 0-0 cxd4 12. Nd2 Nf6 13. c5 Qd7 14. Rc1 e5 15. c6 bxc6 16. Bb5 Kb8 17. Bxc6 Qc7 18. Qb3+ Qb6 19. Qxf7 Bb4 20. Ne4 Nxe4 21. Bxe4 Rdf8 22. Qd5 1-0

[Event "Titled Tuesday intern op 24th Oct Late"]
[Site "Chess.com INT"]
[Date "2023.10.24"]
[Round "4"]
[White "Rosner, Jonas"]
[Black "Rodriguez Fontecha, Marcos"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "2431"]
[BlackElo "2289"]
[PlyCount "128"]
[EventDate "2023.10.24"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Bd3 dxe4 4. Bxe4 Nf6 5. Bf3 Nbd7 6. Ne2 Bd6 7. 0-0 e5 8. Re1 0-0 9. Nbc3 Re8 10. g3 exd4 11. Nxd4 Ne5 12. Bg2 Bg4 13. Qd2 Bc5 14. Nb3 Bb6 15. Qxd8 Raxd8 16. Be3 Nf3+ 17. Bxf3 Bxf3 18. Bxb6 axb6 19. Rxe8+ Nxe8 20. Re1 Kf8 21. Re3 Bc6 22. f3 Nd6 23. Rd3 Ke8 24. Nd2 Nf5 25. Rxd8+ Kxd8 26. Ne2 Ne3 27. c3 Nd1 28. b3 Kd7 29. c4 b5 30. Nd4 bxc4 31. Nxc4 Bd5 32. Ne5+ Kd6 33. f4 g6 34. Nb5+ Kc5 35. Nxc7 f5 36. Nd7+ Kd6 37. Nxd5 Kxd5 38. Nf6+ Ke6 39. Nxh7 Nc3 40. a4 Ne2+ 41. Kf2 Nc1 42. Nf8+ Kf7 43. Nd7 Nxb3 44. Ke3 Ke6 45. Ne5 g5 46. Nd3 g4 47. Ke2 Kd5 48. Nf2 Nd4+ 49. Kd3 Nf3 50. h4 gxh3 51. Nxh3 Ne1+ 52. Kc3 Ng2 53. Ng5 Ne3 54. Kd3 Nf1 55. Nf3 Nxg3 56. Nd4 Nh5 57. Ke3 Nxf4 58. Kxf4 Kxd4 59. Kxf5 Kc5 60. Ke4 Kb4 61. Kd4 Kxa4 62. Kc5 Ka5 63. Kc4 Ka4 64. Kc5 b5 0-1

[Event "Titled Tuesday intern op 24th Oct Late"]
[Site "Chess.com INT"]
[Date "2023.10.24"]
[Round "1"]
[White "Rosner, Jonas"]
[Black "Zampronha, Wladimir Camilo"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "2431"]
[BlackElo "2121"]
[PlyCount "50"]
[EventDate "2023.10.24"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. g3 Nc6 4. Bg2 d5 5. exd5 exd5 6. d4 Nf6 7. 0-0 Be7 8. dxc5 Bxc5 9. Re1+ Be7 10. a3 0-0 11. Nc3 Bf5 12. Be3 Qd7 13. Nd4 Nxd4 14. Bxd4 Rfd8 15. Rc1 a6 16. Qf3 Be6 17. Qd3 Rac8 18. Rcd1 h6 19. Rd2 Qc7 20. h3 Qd7 21. Kh2 Bf5 22. Qe3 Re8 23. Qf4 Be6 24. Rde2 Rc4 25. Qd2 b5 1-0

[Event "Titled Tuesday intern op 24th Oct Late"]
[Site "Chess.com INT"]
[Date "2023.10.24"]
[Round "5"]
[White "Sroczynski, Maciej"]
[Black "Rosner, Jonas"]
[Result "0-1"]
[ECO "A04"]
[WhiteElo "2271"]
[BlackElo "2431"]
[PlyCount "92"]
[EventDate "2023.10.24"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. Nf3 c5 2. g3 g6 3. Bg2 Bg7 4. 0-0 Nc6 5. e4 d6 6. c3 e5 7. a3 Nge7 8. b4 0-0 9. b5 Na5 10. d4 cxd4 11. cxd4 exd4 12. Nxd4 b6 13. Bb2 Bb7 14. Nd2 Rc8 15. Rc1 Qd7 16. Qe2 Rc5 17. N2b3 Nxb3 18. Nxb3 Qxb5 19. Qxb5 Rxb5 20. Bxg7 Kxg7 21. Nd4 Rc5 22. e5 Bxg2 23. Kxg2 Rxc1 24. Rxc1 dxe5 25. Nb5 Rc8 26. Rd1 a6 27. Nd6 Rc6 28. Ne8+ Kf8 29. Rd8 Rc8 30. Rxc8 Nxc8 31. Nf6 Kg7 32. Nd7 f6 33. Kf3 Kf7 34. Ke4 Ke7 35. Nb8 Kd6 36. Nxa6 f5+ 37. Kd3 Na7 38. a4 g5 39. Nb4 Nc6 40. Nc2 Kc5 41. Kc3 f4 42. gxf4 gxf4 43. Ne1 e4 44. Ng2 f3 45. Ne3 Ne5 46. Ng4 Nxg4 0-1

[Event "Oberliga Baden 2223"]
[Site "Germany"]
[Date "2023.04.23"]
[Round "9.1"]
[White "Rosner, Jonas"]
[Black "Baramidze, David"]
[Result "0-1"]
[ECO "D93"]
[WhiteElo "2454"]
[BlackElo "2609"]
[PlyCount "82"]
[EventDate "2022.09.18"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Ettlingen"]
[BlackTeam "Hockenheim"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Bf4 0-0 6. Rc1 Be6 7. e3 c6 8. Qb3 Qb6 9. c5 Qxb3 10. axb3 Bg4 11. Ne5 Bf5 12. Be2 Nfd7 13. g4 Nxe5 14. Bxe5 Bxe5 15. dxe5 Be6 16. f4 Nd7 17. b4 a5 18. bxa5 Rxa5 19. 0-0 f5 20. exf6 Nxf6 21. h3 h5 22. f5 gxf5 23. gxf5 Bc8 24. Kh2 Kh7 25. Bd3 Kh6 26. Rg1 Rg8 27. Rxg8 Nxg8 28. Kg3 Kg5 29. h4+ Kf6 30. Kf4 Bxf5 31. e4 e5+ 32. Kg3 Bg6 33. Kf3 Ne7 34. Rc2 d4 35. Ne2 Nd5 36. Rc4 Nc7 37. Rb4 Ne6 38. Rb6 Nxc5 39. b4 Bxe4+ 40. Bxe4 Ra3+ 41. Kg2 Nxe4 0-1

[Event "Oberliga Baden 2223"]
[Site "Germany"]
[Date "2023.03.19"]
[Round "8.1"]
[White "Heinz, Timothee"]
[Black "Rosner, Jonas"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2365"]
[BlackElo "2454"]
[PlyCount "69"]
[EventDate "2022.09.18"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Sasbach"]
[BlackTeam "Ettlingen"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 Ne7 6. c3 h6 7. 0-0 Nd7 8. Na3 Qc7 9. Nc2 g5 10. Ne3 Bg6 11. b4 Bg7 12. Ne1 0-0-0 13. Nd3 h5 14. f4 Bxd3 15. Bxd3 gxf4 16. Nc2 Ng6 17. Bxg6 fxg6 18. Bxf4 Rdf8 19. Qd3 Bh6 20. Bxh6 Rxh6 21. Rxf8+ Nxf8 22. Rf1 Qg7 23. b5 cxb5 24. Qxb5 Qe7 25. Qb4 Qxb4 26. Nxb4 Nd7 27. Nd3 g5 28. Rf7 Rg6 29. Kf2 a5 30. Kg3 b5 31. Rh7 Nb6 32. Nc5 h4+ 33. Kg4 Nc4 34. Rh8+ Kc7 35. Kh5 1-0

[Event "Oberliga Baden 2223"]
[Site "Germany"]
[Date "2023.02.26"]
[Round "7.1"]
[White "Rosner, Jonas"]
[Black "Velten, Paul"]
[Result "1/2-1/2"]
[ECO "D27"]
[WhiteElo "2454"]
[BlackElo "2478"]
[PlyCount "120"]
[EventDate "2022.09.18"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Ettlingen"]
[BlackTeam "Viernheim II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 a6 5. Bxc4 e6 6. 0-0 c5 7. dxc5 Bxc5 8. Qxd8+ Kxd8 9. Nc3 b5 10. Be2 Bb7 11. Nd2 Nbd7 12. Nb3 Ke7 13. Nxc5 Nxc5 14. b4 Nce4 15. Nxe4 Nxe4 16. Bb2 Rac8 17. Rfc1 f6 18. f3 Nd6 19. Bd4 Rxc1+ 20. Rxc1 Rc8 21. Bc5 Ke8 22. e4 e5 23. Kf2 Rc6 24. Ra1 Bc8 25. a4 bxa4 26. Rxa4 g5 27. Ra1 Kf7 28. Ra2 Kg6 29. Rd2 Nb5 30. Bc4 Be6 31. Bd5 Bxd5 32. exd5 Rc7 33. Ra2 Rd7 34. Rxa6 Rxd5 35. Be7 Kf7 36. Bxf6 Nc7 37. Ra7 Kxf6 38. Rxc7 Rd2+ 39. Kg3 h5 40. Rc4 Kf5 41. h4 Rb2 42. Kh3 gxh4 43. Rxh4 Kg5 44. Rc4 Kf5 45. Kg3 Rb1 46. Re4 Rb2 47. Rh4 Kg5 48. Rc4 Kf5 49. Kh3 Rb1 50. g4+ hxg4+ 51. fxg4+ Kg5 52. Kg3 Rb3+ 53. Kf2 Kf6 54. Ke2 Ke6 55. g5 Kf5 56. Kd2 Rg3 57. b5 Rxg5 58. b6 Rg8 59. b7 Rb8 60. Rb4 Ke6 1/2-1/2

[Event "Oberliga Baden 2223"]
[Site "Germany"]
[Date "2023.02.05"]
[Round "6.1"]
[White "Nied, Pascal"]
[Black "Rosner, Jonas"]
[Result "0-1"]
[ECO "B41"]
[WhiteElo "2131"]
[BlackElo "2454"]
[PlyCount "82"]
[EventDate "2022.09.18"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Untergrombach"]
[BlackTeam "Ettlingen"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 Qc7 7. a3 b6 8. Be2 Bb7 9. f3 Be7 10. Be3 d6 11. 0-0 Nbd7 12. Rc1 0-0 13. Qd2 Rac8 14. Rfd1 Qb8 15. b4 h5 16. Nb3 h4 17. Na4 Bc6 18. Nb2 Rfe8 19. a4 Ba8 20. Nd3 d5 21. exd5 Bd6 22. dxe6 Bxh2+ 23. Kf1 fxe6 24. Bf4 Bxf4 25. Nxf4 e5 26. Nh3 e4 27. Nd4 e3 28. Qd3 Qh2 29. Qg6 Ne5 30. Qg5 Neg4 31. Bd3 e2+ 32. Bxe2 Re5 33. Qf4 Ne3+ 34. Kf2 Nfg4+ 35. fxg4 Rf8 36. Nf5 Qxg2+ 37. Ke1 Nxg4 38. Rc2 Qxh3 39. Qg5 Rexf5 40. Qxg4 Qe3 41. Rd7 Rf1# 0-1

[Event "Oberliga Baden 2223"]
[Site "Germany"]
[Date "2023.01.15"]
[Round "5.1"]
[White "Rosner, Jonas"]
[Black "Dobosz, Henryk"]
[Result "1-0"]
[ECO "E61"]
[WhiteElo "2454"]
[BlackElo "2337"]
[PlyCount "67"]
[EventDate "2022.09.18"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Ettlingen"]
[BlackTeam "Buchen"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. e3 c5 5. d5 0-0 6. Nc3 e6 7. Be2 d6 8. e4 exd5 9. exd5 Bg4 10. 0-0 Re8 11. h3 Bxf3 12. Bxf3 Nbd7 13. Qc2 a6 14. a4 Re7 15. Bd2 Qc7 16. Rae1 Rae8 17. b3 Rxe1 18. Bxe1 Bh6 19. g3 Re7 20. Bg2 Nh5 21. f4 f5 22. Bf3 Ndf6 23. Kg2 Qc8 24. Bd2 Qd7 25. Qd1 Qe8 26. Qc1 Qd7 27. Nd1 Ne4 28. Bxe4 Rxe4 29. Nf2 Re2 30. Kf3 Qe8 31. g4 fxg4+ 32. hxg4 Rxd2 33. Qxd2 Nxf4 34. Ne4 1-0

[Event "Oberliga Baden 2223"]
[Site "Germany"]
[Date "2022.11.27"]
[Round "4.1"]
[White "Brunner, Nicolas"]
[Black "Rosner, Jonas"]
[Result "1/2-1/2"]
[ECO "D15"]
[WhiteElo "2442"]
[BlackElo "2454"]
[PlyCount "75"]
[EventDate "2022.09.18"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Brombach"]
[BlackTeam "Ettlingen"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 a6 5. e3 b5 6. b3 Bg4 7. Be2 e6 8. h3 Bh5 9. g4 Bg6 10. Ne5 Nfd7 11. Nxg6 hxg6 12. Qc2 Nf6 13. Kf1 Nbd7 14. Kg2 Be7 15. Bb2 g5 16. Rac1 Qb8 17. cxd5 cxd5 18. Bd3 Bd6 19. a4 b4 20. Nb1 Ng8 21. Nd2 Ne7 22. Nf3 f6 23. h4 gxh4 24. Rxh4 Rxh4 25. Nxh4 Nf8 26. f4 Ra7 27. Nf3 Rc7 28. Qd2 Rxc1 29. Qxc1 a5 30. Qh1 Kf7 31. g5 f5 32. Ne5+ Kg8 33. Qc1 Qc7 34. Qxc7 Bxc7 35. Ba6 g6 36. Bb7 Kg7 37. Kf3 Bd6 38. Ke2 1/2-1/2

[Event "Oberliga Baden 2223"]
[Site "Germany"]
[Date "2022.10.23"]
[Round "3.1"]
[White "Rosner, Jonas"]
[Black "Milov, Vadim"]
[Result "0-1"]
[ECO "A43"]
[WhiteElo "2454"]
[BlackElo "2609"]
[PlyCount "86"]
[EventDate "2022.09.18"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Ettlingen"]
[BlackTeam "Baden-Baden III"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. Nf3 c5 3. d5 b5 4. c3 Bb7 5. e4 a6 6. Bd3 e6 7. 0-0 exd5 8. e5 Ne4 9. Nbd2 Qb6 10. Qe2 Nxd2 11. Bxd2 Nc6 12. Ng5 Nd8 13. a4 h6 14. Nh3 c4 15. Bc2 Ne6 16. axb5 axb5 17. Kh1 Qc6 18. f3 Bc5 19. Nf4 h5 20. Rxa8+ Bxa8 21. Ra1 Bb7 22. Qe1 Qc7 23. b4 Bb6 24. Nxe6 dxe6 25. Be3 h4 26. Bxb6 Qxb6 27. Qg1 Qxg1+ 28. Kxg1 Kd7 29. Kf2 f6 30. f4 fxe5 31. fxe5 Rh5 32. Re1 Rg5 33. Re2 d4 34. cxd4 Rxg2+ 35. Ke3 Rxe2+ 36. Kxe2 g5 37. Bg6 g4 38. Kf2 c3 39. Bd3 Kc7 40. Bg6 Bd5 41. Bc2 Kd8 42. Kf1 Ke7 43. Kf2 Kf8 0-1

[Event "Oberliga Baden 2223"]
[Site "Germany"]
[Date "2022.10.09"]
[Round "2.1"]
[White "Cernov, Vadim"]
[Black "Rosner, Jonas"]
[Result "1/2-1/2"]
[ECO "B40"]
[BlackElo "2454"]
[PlyCount "118"]
[EventDate "2022.09.18"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Ladenburg"]
[BlackTeam "Ettlingen"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 e6 3. g3 Nc6 4. Bg2 Nf6 5. Qe2 e5 6. 0-0 Be7 7. Nc3 d6 8. Nd5 Be6 9. Ne1 Nd4 10. Qd1 Nxd5 11. exd5 Bd7 12. c3 Nf5 13. Nc2 0-0 14. d3 Bg5 15. a4 Bxc1 16. Qxc1 b6 17. Qd2 Qc7 18. b4 cxb4 19. Nxb4 Rfc8 20. Nc6 Bxc6 21. dxc6 Ne7 22. f4 Nxc6 23. fxe5 dxe5 24. Qa2 Rf8 25. Rf5 Rae8 26. Raf1 Re7 27. Qc4 g6 28. Rf6 Nb8 29. Qxc7 Rxc7 30. Bd5 Kg7 31. c4 Re7 32. Rd6 f5 33. a5 Nd7 34. axb6 axb6 35. Bc6 Nc5 36. d4 exd4 37. Rxd4 Re6 38. Bf3 Rfe8 39. Rfd1 Re1+ 40. Kf2 Rxd1 41. Rxd1 g5 42. h3 Kf6 43. Rd6+ Re6 44. Rd8 Ke7 45. Rd5 Rf6 46. Re5+ Kd6 47. Rd5+ Ke6 48. Rd8 g4 49. Bd5+ Ke5 50. hxg4 fxg4+ 51. Ke3 Kf5 52. Rg8 h5 53. Rh8 Kg5 54. Rg8+ Rg6 55. Rh8 Rh6 56. Rg8+ Kf5 57. Rf8+ Ke5 58. Re8+ Kf5 59. Rf8+ Ke5 1/2-1/2

[Event "Budapest SixDays 09 GM"]
[Site "Budapest"]
[Date "2022.09.20"]
[Round "9"]
[White "Rosner, Jonas"]
[Black "Hacker, Jonas"]
[Result "1/2-1/2"]
[ECO "E04"]
[WhiteElo "2454"]
[BlackElo "2458"]
[PlyCount "57"]
[EventDate "2022.09.15"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "HUN"]
[EventCategory "8"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 dxc4 5. Bg2 Bb4+ 6. Bd2 a5 7. Qc2 c5 8. dxc5 Bxc5 9. 0-0 0-0 10. Ne5 Qc7 11. Nxc4 Nc6 12. Nba3 Nd4 13. Qd1 e5 14. e3 Bxa3 15. Nxa3 Nc6 16. Qa4 Be6 17. Rfc1 Rfd8 18. Bc3 Bd5 19. e4 Be6 20. Qb5 h6 21. Qc5 Rac8 22. Nb5 Qd7 23. Qb6 Bh3 24. f3 Bxg2 25. Kxg2 Qd3 26. Rf1 Nd7 27. Qxb7 Nc5 28. Qb6 Na4 29. Qb7 1/2-1/2

[Event "Budapest SixDays 09 GM"]
[Site "Budapest"]
[Date "2022.09.19"]
[Round "7"]
[White "Rosner, Jonas"]
[Black "Pribelszky, Bence"]
[Result "1-0"]
[ECO "D32"]
[WhiteElo "2454"]
[BlackElo "2408"]
[PlyCount "105"]
[EventDate "2022.09.15"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "HUN"]
[EventCategory "8"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 e6 3. Nc3 c5 4. e3 Nc6 5. d4 d5 6. cxd5 exd5 7. Bb5 a6 8. Bxc6+ bxc6 9. 0-0 Be7 10. dxc5 Bxc5 11. b3 Bg4 12. Bb2 0-0 13. Rc1 Rc8 14. h3 Bh5 15. Ne2 Bxf3 16. gxf3 Bd6 17. f4 Re8 18. Ng3 Re6 19. Kh2 Ne8 20. Rg1 Bf8 21. Nf5 Rg6 22. Qd3 Qd7 23. Nh4 Rh6 24. Qf5 Qxf5 25. Nxf5 Rg6 26. Rgd1 Nd6 27. Nd4 Nb7 28. Nf3 Rd6 29. Rc2 f6 30. f5 Rd7 31. Nd4 Bd6+ 32. Kg2 Nd8 33. f4 Kf7 34. Bc3 Bc5 35. Kf3 Ba7 36. Rdc1 Nb7 37. Bb2 c5 38. Ba3 g6 39. Ne6 a5 40. Nd4 Bb6 41. fxg6+ hxg6 42. Nb5 Rh8 43. Rh1 Re8 44. Rd1 Ke6 45. Rcd2 Rh8 46. Kg2 Rdh7 47. Rh1 Rh5 48. Bb2 g5 49. f5+ Kxf5 50. Rf1+ Ke4 51. Nc3+ Kxe3 52. Re2+ Kd4 53. Rd1# 1-0

[Event "Budapest SixDays 09 GM"]
[Site "Budapest"]
[Date "2022.09.19"]
[Round "8"]
[White "Song, Raymond"]
[Black "Rosner, Jonas"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "2478"]
[BlackElo "2454"]
[PlyCount "149"]
[EventDate "2022.09.15"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "HUN"]
[EventCategory "8"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 Ne7 6. 0-0 c5 7. c4 Nbc6 8. dxc5 dxc4 9. Bxc4 Ng6 10. Be3 Be7 11. Nc3 0-0 12. Be2 Qa5 13. Nb5 Ngxe5 14. Qb3 Be4 15. Nd2 Bd5 16. Qc3 Rfc8 17. Rfd1 Qa4 18. Qc1 Qh4 19. h3 a6 20. Nc3 Nb4 21. Nf1 Qf6 22. Ng3 Bxc5 23. Bxc5 Rxc5 24. a3 Nbc6 25. Nce4 Rxc1 26. Nxf6+ gxf6 27. Raxc1 Kf8 28. Nh5 Ke7 29. Nf4 Bb3 30. Rd2 a5 31. Bd1 Bxd1 32. Rdxd1 Ra6 33. Nd3 Nxd3 34. Rxd3 Rb6 35. Rd2 f5 36. Rc5 h5 37. Kh2 Rb3 38. Rc3 Rb5 39. Kg3 Kf6 40. f4 Ne7 41. Rdd3 a4 42. b4 Nd5 43. Rc8 h4+ 44. Kf3 Rb6 45. g3 hxg3 46. Kxg3 Ne7 47. Rc5 Nd5 48. h4 Rd6 49. Rc8 Kg6 50. Rd2 f6 51. h5+ Kh7 52. Kh4 Rd7 53. Kg3 Rg7+ 54. Kf3 Rg1 55. Re8 Rf1+ 56. Kg3 Kh6 57. Rd4 Nc3 58. Kg2 Re1 59. Rd7 Kxh5 60. Rg8 Kh6 61. Rh8+ Kg6 62. Rg8+ Kh6 63. Rxb7 Nd5 64. Rh8+ Kg6 65. Rg8+ Kh6 66. Kf2 Re4 67. Rh8+ Kg6 68. Rg8+ Kh6 69. b5 Rxf4+ 70. Ke2 Rc4 71. Rbg7 Rh4 72. Rg6+ Kh7 73. R6g7+ Kh6 74. Rg6+ Kh7 75. R6g7+ 1/2-1/2

[Event "Budapest SixDays 09 GM"]
[Site "Budapest"]
[Date "2022.09.18"]
[Round "6"]
[White "Gungl, Theo"]
[Black "Rosner, Jonas"]
[Result "1/2-1/2"]
[ECO "D17"]
[WhiteElo "2352"]
[BlackElo "2454"]
[PlyCount "19"]
[EventDate "2022.09.15"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "HUN"]
[EventCategory "8"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 dxc4 5. a4 Bf5 6. Nh4 Bc8 7. Nf3 Bf5 8. Nh4 Bc8 9. Nf3 Bf5 10. Nh4 1/2-1/2

[Event "Budapest SixDays 09 GM"]
[Site "Budapest"]
[Date "2022.09.18"]
[Round "5"]
[White "Rosner, Jonas"]
[Black "Parkhov, Yair"]
[Result "1-0"]
[ECO "E60"]
[WhiteElo "2454"]
[BlackElo "2479"]
[PlyCount "153"]
[EventDate "2022.09.15"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "HUN"]
[EventCategory "8"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. e3 0-0 5. Be2 c5 6. d5 e6 7. Nc3 exd5 8. cxd5 d6 9. 0-0 Re8 10. Nd2 Na6 11. e4 Nc7 12. a4 Rb8 13. f3 a6 14. a5 Nh5 15. Nc4 Nb5 16. g4 Nxc3 17. bxc3 Bxc3 18. Rb1 Ng7 19. Bf4 Re5 20. Rb6 Ne8 21. Qb3 Bd4+ 22. Be3 Re7 23. Bxd4 cxd4 24. Qd3 Bd7 25. Qxd4 Bb5 26. Bd3 Rc8 27. Nb2 Rec7 28. Bxb5 axb5 29. Rxb5 Qh4 30. Nd3 Nf6 31. Qf2 Qh6 32. Rb2 Nd7 33. Re1 Qg7 34. Kg2 Qf6 35. Qd2 Rc3 36. Re2 Qd4 37. Ne1 Qa4 38. Rxb7 Ne5 39. Rb8 Rxb8 40. Qxc3 Qd1 41. Qc2 Qd4 42. a6 Qb6 43. Qa4 Ra8 44. Ra2 h5 45. h3 hxg4 46. hxg4 Qe3 47. Qd1 g5 48. Nc2 Qb6 49. Qd2 Ng6 50. Ne3 Nf4+ 51. Kg3 Qb1 52. Ng2 Qg1 53. Qf2 Qc1 54. Nxf4 gxf4+ 55. Kg2 Kg7 56. a7 f6 57. Qf1 Qc7 58. Qa6 Kg6 59. Qa4 Kg5 60. Qc6 Rxa7 61. Rxa7 Qxa7 62. Qe8 Kh6 63. Qh5+ Kg7 64. g5 Qe3 65. Qh6+ Kg8 66. Qg6+ Kf8 67. Qxf6+ Kg8 68. Qg6+ Kh8 69. Qh5+ Kg7 70. Kh3 Qc1 71. Qh6+ Kf7 72. Kg4 Qc5 73. Kf5 Ke7 74. Qe6+ Kd8 75. g6 Qg1 76. g7 Qxg7 77. Qf6+ 1-0

[Event "Budapest SixDays 09 GM"]
[Site "Budapest"]
[Date "2022.09.17"]
[Round "4"]
[White "Aczel, Gergely"]
[Black "Rosner, Jonas"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2474"]
[BlackElo "2454"]
[PlyCount "107"]
[EventDate "2022.09.15"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "HUN"]
[EventCategory "8"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. d4 c6 5. 0-0 Nf6 6. a4 a5 7. c4 0-0 8. cxd5 Nxd5 9. Nc3 Nb4 10. Bg5 Nd7 11. Qc1 Re8 12. Rd1 Nb6 13. Ne4 N6d5 14. Bh6 Nf6 15. Bxg7 Kxg7 16. Nc5 b6 17. Nd3 Nxd3 18. Rxd3 Bf5 19. Rd1 Be4 20. Ra3 Qd5 21. Rc3 Rac8 22. Bh3 Rcd8 23. Ng5 h6 24. Nxe4 Qxe4 25. Re3 Qd5 26. Bg2 Qh5 27. Re5 g5 28. Bf3 Ng4 29. h4 f6 30. Re4 f5 31. Bxg4 fxg4 32. Qxc6 gxh4 33. Qe6 hxg3 34. Rxg4+ Kh8 35. Rxg3 Rd6 36. Qe4 Rf6 37. Rdd3 Qf7 38. Qe5 Kh7 39. Rdf3 Rxf3 40. Rxf3 Rg8+ 41. Rg3 Rxg3+ 42. fxg3 e6 43. b3 Qd7 44. Kg2 Qc6+ 45. Kh3 Kg6 46. Kg4 Kf7 47. Qf4+ Kg6 48. Qf3 Qc8 49. Qe4+ Kg7 50. Qe5+ Kg6 51. Qd6 h5+ 52. Kh4 Kf6 53. d5 Kg7 54. Qe5+ 1-0

[Event "Budapest SixDays 09 GM"]
[Site "Budapest"]
[Date "2022.09.16"]
[Round "3"]
[White "Horvath, Adam"]
[Black "Rosner, Jonas"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2504"]
[BlackElo "2454"]
[PlyCount "79"]
[EventDate "2022.09.15"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "HUN"]
[EventCategory "8"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. h4 h5 5. Bd3 Bxd3 6. Qxd3 Qa5+ 7. Nd2 e6 8. Ngf3 Nh6 9. 0-0 Nf5 10. Nb3 Qa6 11. Qd1 b6 12. Bg5 c5 13. dxc5 Bxc5 14. c3 Nc6 15. Re1 Rc8 16. Nxc5 bxc5 17. b3 Qa5 18. c4 d4 19. Nd2 Qc7 20. g3 Nce7 21. Ne4 Ng6 22. a3 a5 23. b4 axb4 24. axb4 cxb4 25. c5 Nxe5 26. Bf4 f6 27. Bxe5 fxe5 28. Ng5 Qxc5 29. Nxe6 Qd5 30. Nf4 Qd6 31. Qa4+ Kf7 32. Qb3+ Kf6 33. Ra7 Ne7 34. Qf3 Nf5 35. Nxh5+ Rxh5 36. Qxh5 Rc7 37. Qg5+ Ke6 38. Rxc7 Qxc7 39. Qg6+ Kd5 40. Qxf5 1-0

[Event "Budapest SixDays 09 GM"]
[Site "Budapest"]
[Date "2022.09.16"]
[Round "2"]
[White "Rosner, Jonas"]
[Black "Nagy, Gabor"]
[Result "0-1"]
[ECO "D30"]
[WhiteElo "2454"]
[BlackElo "2501"]
[PlyCount "84"]
[EventDate "2022.09.15"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "HUN"]
[EventCategory "8"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 a6 4. e3 d5 5. b3 c5 6. Bb2 Nc6 7. Bd3 cxd4 8. exd4 b6 9. 0-0 Bb7 10. Nbd2 Be7 11. Rc1 0-0 12. Qe2 Re8 13. Rfd1 Bf8 14. Nf1 dxc4 15. bxc4 Ne7 16. Ne5 Ng6 17. Nxg6 hxg6 18. Ne3 Rc8 19. Ng4 Nxg4 20. Qxg4 Be7 21. Be4 f5 22. Qxg6 Bxe4 23. d5 Bf6 24. dxe6 Qe7 25. Rd7 Bxb2 26. Rxe7 Rxe7 27. Rd1 Rce8 28. Rd7 Bf6 29. g4 fxg4 30. Qh5 Rxe6 31. Qf7+ Kh8 32. Rd6 R6e7 33. Qh5+ Kg8 34. Qxg4 Bb7 35. f3 Re1+ 36. Kg2 Bc8 37. Rd7 R1e2+ 38. Kg3 Be5+ 39. f4 Bf6 40. Qf5 R8e3+ 41. Kg4 Rg2+ 42. Kh5 Rxh2+ 0-1

[Event "Budapest SixDays 09 GM"]
[Site "Budapest"]
[Date "2022.09.15"]
[Round "1"]
[White "Bauer, Sebastian"]
[Black "Rosner, Jonas"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "2320"]
[BlackElo "2454"]
[PlyCount "91"]
[EventDate "2022.09.15"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "HUN"]
[EventCategory "8"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nd2 e6 5. Nb3 a6 6. Nf3 c5 7. dxc5 Bxc5 8. Nxc5 Qa5+ 9. c3 Qxc5 10. Nd4 Ne7 11. Qa4+ Nbc6 12. Be3 Qa5 13. Qxa5 Nxa5 14. Nxf5 Nxf5 15. Bb6 Nc4 16. Bxc4 dxc4 17. a4 Ne7 18. a5 Nd5 19. Bd4 f5 20. exf6 gxf6 21. 0-0-0 Kf7 22. g3 Rad8 23. Rhe1 Rd7 24. Re4 Rc8 25. Ba7 f5 26. Rh4 Kg6 27. Rdd4 Rdc7 28. g4 f4 29. Rh5 Rc6 30. h4 Ra8 31. Bb6 Rf8 32. Rg5+ Kf7 33. Rh5 Kg6 34. Re4 Nxb6 35. Rg5+ Kf7 36. axb6 f3 37. Rd4 Rxb6 38. Rd7+ Kf6 39. Rxh7 Rd8 40. Rgg7 Rbd6 41. Rf7+ Kg6 42. Kb1 Rd1+ 43. Ka2 R8d5 44. Rhg7+ Kh6 45. Ka3 Rb5 46. Rh7+ 1/2-1/2

[Event "German Masters"]
[Site "Magdeburg"]
[Date "2022.08.24"]
[Round "9"]
[White "Rosner, Jonas"]
[Black "Koelle, Tobias"]
[Result "1/2-1/2"]
[ECO "E14"]
[WhiteElo "2464"]
[BlackElo "2433"]
[PlyCount "135"]
[EventDate "2022.08.16"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[EventCategory "14"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. e3 b6 5. b3 Bb7 6. Bd3 Bd6 7. 0-0 0-0 8. cxd5 exd5 9. Ba3 c5 10. Nc3 Nbd7 11. Rc1 Rc8 12. Qe2 Ne4 13. Bb2 Qe7 14. Rfd1 Ndf6 15. h3 Rfe8 16. Bb5 Red8 17. dxc5 bxc5 18. Nxe4 Nxe4 19. Ba6 Bxa6 20. Qxa6 Qe6 21. Qe2 Bb8 22. Rc2 h6 23. Rdc1 Qb6 24. Nd2 Ng5 25. Qg4 Ne6 26. Nf3 Bd6 27. Nd4 Bf8 28. Nxe6 Qxe6 29. Qxe6 fxe6 30. Bd4 Rc7 31. Bxc5 Rdc8 32. b4 Kf7 33. Kf1 a5 34. a3 axb4 35. axb4 e5 36. Ke2 Ke6 37. Kd2 Bxc5 38. Rxc5 Rxc5 39. Rxc5 Ra8 40. Rc6+ Kf5 41. Rc2 Ke6 42. Kc3 Kd6 43. Kb3 Ra1 44. Ra2 Rb1+ 45. Kc3 Rc1+ 46. Rc2 Rb1 47. Rb2 Rc1+ 48. Kd3 Rd1+ 49. Ke2 Ra1 50. b5 Ra7 51. f4 exf4 52. exf4 Kc5 53. b6 Rb7 54. Kd3 Rxb6 55. Rxb6 Kxb6 56. Kd4 Kc6 57. f5 Kd6 58. g3 h5 59. g4 hxg4 60. hxg4 g6 61. fxg6 Ke6 62. g5 Ke7 63. Kxd5 Kf8 64. Ke6 Kg7 65. Kf5 Kg8 66. Kf6 Kf8 67. g7+ Kg8 68. g6 1/2-1/2

[Event "German Masters"]
[Site "Magdeburg"]
[Date "2022.08.23"]
[Round "8"]
[White "Keymer, Vincent"]
[Black "Rosner, Jonas"]
[Result "1-0"]
[ECO "A11"]
[WhiteElo "2672"]
[BlackElo "2464"]
[PlyCount "71"]
[EventDate "2022.08.16"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[EventCategory "14"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. c4 c6 2. Nf3 d5 3. e3 Nf6 4. Nc3 e6 5. b3 Bd6 6. Bb2 0-0 7. Be2 b6 8. 0-0 Bb7 9. d4 Nbd7 10. a4 a5 11. Bd3 Qe7 12. Rc1 Rac8 13. Re1 Rfd8 14. e4 dxe4 15. Nxe4 Nxe4 16. Bxe4 Nf6 17. Qc2 Ba3 18. Bxa3 Qxa3 19. c5 bxc5 20. dxc5 Ba6 21. Ne5 Nxe4 22. Qxe4 Qxb3 23. Nxc6 Rd7 24. Nxa5 Qd5 25. c6 Rd6 26. Qb4 Qd4 27. Qb3 Qa7 28. h3 Rd5 29. Nb7 h6 30. Qb4 Rb8 31. Rb1 Bxb7 32. Qb6 Qxa4 33. c7 Rc8 34. Qxb7 Qd7 35. Qxc8+ Qxc8 36. Rb8 1-0

[Event "German Masters"]
[Site "Magdeburg"]
[Date "2022.08.22"]
[Round "7"]
[White "Svane, Rasmus"]
[Black "Rosner, Jonas"]
[Result "1-0"]
[ECO "B15"]
[WhiteElo "2640"]
[BlackElo "2464"]
[PlyCount "53"]
[EventDate "2022.08.16"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[EventCategory "14"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. Be3 Bd6 7. Bd3 0-0 8. Ne2 Re8 9. 0-0 Nd7 10. c4 Nf8 11. Qc2 h5 12. Rad1 h4 13. h3 Bc7 14. Rfe1 Bd7 15. Nc3 Qc8 16. Be4 Ne6 17. d5 cxd5 18. Nxd5 Bc6 19. Bh7+ Kh8 20. Bf5 Bd8 21. Qe4 g5 22. Qg4 Kg7 23. Bd4 Rg8 24. Rxe6 fxe6 25. Qxg5+ Kf7 26. Qh5+ Kf8 27. Bc5+ 1-0

[Event "German Masters"]
[Site "Magdeburg"]
[Date "2022.08.21"]
[Round "6"]
[White "Rosner, Jonas"]
[Black "Huschenbeth, Niclas"]
[Result "1/2-1/2"]
[ECO "E04"]
[WhiteElo "2464"]
[BlackElo "2607"]
[PlyCount "81"]
[EventDate "2022.08.16"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[EventCategory "14"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Nf3 Bb4+ 6. Bd2 a5 7. a3 Bxd2+ 8. Nbxd2 b5 9. b3 cxb3 10. Qxb3 c6 11. 0-0 0-0 12. Qb2 Nbd7 13. Rfc1 Qb6 14. Ne1 Nd5 15. Nd3 Ba6 16. Nb3 Rfd8 17. Nbc5 Nxc5 18. Nxc5 Bc8 19. e3 Bd7 20. Rab1 Be8 21. h4 Qc7 22. Be4 Qe7 23. Nd3 Rdc8 24. Rc2 Rab8 25. Qc1 Qd6 26. Bf3 f6 27. h5 Nb6 28. Nc5 Nc4 29. a4 e5 30. Na6 Na3 31. Nxb8 Nxc2 32. Nxc6 Bxc6 33. Qxc2 exd4 34. Bxc6 Rxc6 35. Qb3+ Qe6 36. axb5 Rc1+ 37. Kg2 Qxb3 38. Rxb3 dxe3 39. fxe3 a4 40. b6 Rc8 41. Ra3 1/2-1/2

[Event "German Masters"]
[Site "Magdeburg"]
[Date "2022.08.20"]
[Round "5.4"]
[White "Braun, Arik"]
[Black "Rosner, Jonas"]
[Result "1-0"]
[ECO "D12"]
[WhiteElo "2594"]
[BlackElo "2464"]
[PlyCount "105"]
[EventDate "2022.08.16"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[EventCategory "14"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 Bf5 5. Nc3 e6 6. Nh4 Be4 7. f3 Bg6 8. Qb3 Qc7 9. Bd2 Be7 10. cxd5 cxd5 11. 0-0-0 Nc6 12. Nxg6 hxg6 13. Kb1 a6 14. Rc1 Nd7 15. Be1 Rc8 16. Bg3 Qb6 17. Qd1 Na5 18. Bd3 Nc4 19. Qe2 Bd6 20. Bxc4 Rxc4 21. Bxd6 Qxd6 22. Ne4 Rxc1+ 23. Rxc1 Qb8 24. Rc8+ Qxc8 25. Nd6+ Ke7 26. Nxc8+ Rxc8 27. Qe1 Rc7 28. Qh4+ Nf6 29. e4 Kd7 30. b3 Rc8 31. Kb2 Rc7 32. Qf4 Kd8 33. a4 Kc8 34. Qd6 Ne8 35. Qe5 Rd7 36. Kc3 Nf6 37. Kd3 Kd8 38. Qb8+ Ke7 39. e5 Ne8 40. f4 f5 41. b4 Rc7 42. b5 axb5 43. axb5 Kf7 44. b6 Re7 45. Qd8 g5 46. fxg5 g6 47. h4 Kf8 48. Ke3 Kf7 49. h5 Kf8 50. h6 Rf7 51. Qc8 Re7 52. Qc5 Kf7 53. h7 1-0

[Event "German Masters"]
[Site "Magdeburg"]
[Date "2022.08.19"]
[Round "4"]
[White "Rosner, Jonas"]
[Black "Svane, Frederik"]
[Result "1-0"]
[ECO "E16"]
[WhiteElo "2464"]
[BlackElo "2547"]
[PlyCount "105"]
[EventDate "2022.08.16"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[EventCategory "14"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Bb4+ 5. Nd2 0-0 6. Ngf3 b6 7. 0-0 Bb7 8. a3 Be7 9. cxd5 exd5 10. b4 c6 11. Bb2 Nbd7 12. Qb3 Re8 13. Ne5 Bd6 14. Ndf3 Ne4 15. Rac1 Nxe5 16. dxe5 Bf8 17. Rfd1 c5 18. bxc5 Bxc5 19. e3 Qe7 20. Ne1 Rad8 21. a4 Bc6 22. Nc2 Ba8 23. f3 Ng5 24. Nd4 f6 25. exf6 Qxf6 26. Kh1 Qf7 27. h4 Ne6 28. f4 Nf8 29. Rd3 Nd7 30. Nf3 Be7 31. Ne5 Nxe5 32. Bxe5 Bf6 33. Rc7 Re7 34. Bxf6 Qxf6 35. Rxe7 Qxe7 36. Kh2 Qf7 37. Qd1 Re8 38. Rxd5 Qf8 39. Rd7 Bxg2 40. Qb3+ Kh8 41. Kxg2 Qf6 42. Qd5 Qb2+ 43. Qd2 Qb3 44. Rxa7 h5 45. Qd4 Qc2+ 46. Kf3 Qc6+ 47. e4 Qg6 48. Rc7 Qg4+ 49. Kf2 Qg6 50. e5 Qe6 51. Qd1 Qf5 52. Qd7 Qg6 53. Rc6 1-0

[Event "German Masters"]
[Site "Magdeburg"]
[Date "2022.08.18"]
[Round "3"]
[White "Kollars, Dmitrij"]
[Black "Rosner, Jonas"]
[Result "1-0"]
[ECO "D17"]
[WhiteElo "2643"]
[BlackElo "2464"]
[PlyCount "85"]
[EventDate "2022.08.16"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[EventCategory "14"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. Ne5 Nbd7 7. Nxc4 Nb6 8. Ne3 e6 9. Nxf5 exf5 10. g3 a5 11. Bh3 g6 12. 0-0 Bg7 13. Bg2 0-0 14. Bg5 Qd6 15. Bxf6 Bxf6 16. e3 Rfe8 17. Qb3 Qb4 18. Qc2 Rad8 19. Ra3 Nc4 20. Rb3 Qe7 21. Ne2 Nd6 22. Nf4 Rd7 23. Nd3 Qd8 24. Rc1 h5 25. Rd1 Kg7 26. Nc5 Rc7 27. Rb6 Qa8 28. d5 Qa7 29. Rb3 Rd8 30. Rbd3 Be7 31. dxc6 bxc6 32. Nb3 Qb6 33. Qc3+ Bf6 34. Qxa5 Qxa5 35. Nxa5 Nb7 36. Rxd8 Nxd8 37. b3 c5 38. Nc4 Nc6 39. Nd6 Kf8 40. Nb5 Rc8 41. Rd6 Nd8 42. Rxf6 Ne6 43. Rxf7+ 1-0

[Event "German Masters"]
[Site "Magdeburg"]
[Date "2022.08.17"]
[Round "2"]
[White "Rosner, Jonas"]
[Black "Fridman, Daniel"]
[Result "0-1"]
[ECO "E61"]
[WhiteElo "2464"]
[BlackElo "2606"]
[PlyCount "104"]
[EventDate "2022.08.16"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[EventCategory "14"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. e3 0-0 5. Be2 c5 6. d5 d6 7. Nc3 Na6 8. 0-0 Nc7 9. e4 Bg4 10. h3 Bxf3 11. Bxf3 a6 12. a4 e6 13. a5 exd5 14. exd5 Nd7 15. Qc2 f5 16. Re1 Qh4 17. Bd2 Bd4 18. Nd1 Ne5 19. Be2 f4 20. Bf1 g5 21. Ra3 Rae8 22. Re4 Re7 23. Bc3 Bxc3 24. Rxc3 Ne8 25. Ne3 Rff7 26. g3 Qh5 27. g4 Qg6 28. Nf5 Rxf5 29. gxf5 Qxf5 30. Kh1 Ng7 31. Re1 Qf6 32. b4 cxb4 33. Rb3 Nf5 34. Rxb4 Nd4 35. Qb2 Nd3 36. Rxe7 Nxb2 37. Rbxb7 Qf8 38. Re4 Na4 39. Rxd4 Nc5 40. Rb6 Qe7 41. Rd1 g4 42. Rbb1 Qe4+ 43. Kg1 g3 44. Re1 Qd4 45. Re2 gxf2+ 46. Kh1 Ne4 47. Reb2 f3 48. Rb8+ Kg7 49. Re8 Ng3+ 50. Kh2 Nxf1+ 51. Rxf1 Qf4+ 52. Kh1 Qg3 0-1

[Event "German Masters"]
[Site "Magdeburg"]
[Date "2022.08.16"]
[Round "1"]
[White "Engel, Luis"]
[Black "Rosner, Jonas"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2557"]
[BlackElo "2464"]
[PlyCount "81"]
[EventDate "2022.08.16"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[EventCategory "14"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nd2 e6 5. Nb3 Nd7 6. Nf3 a6 7. Be2 c5 8. dxc5 Bxc5 9. Nxc5 Nxc5 10. Be3 Qc7 11. 0-0 Ne7 12. c4 dxc4 13. Bxc4 Rd8 14. Qc1 0-0 15. b3 Nd7 16. Bg5 Rfe8 17. Qa3 Qc5 18. Qxc5 Nxc5 19. Rfd1 Rc8 20. Rac1 h6 21. Be3 Be4 22. Be2 b6 23. b4 Na4 24. Bxa6 Rxc1 25. Rxc1 Ra8 26. Bb5 Nf5 27. Nd2 Nxe3 28. fxe3 Bg6 29. e4 Nb2 30. Rc2 Nd1 31. a4 Ne3 32. Rc3 Ng4 33. Nc4 Rd8 34. Rc1 Rc8 35. Re1 f6 36. exf6 Nxf6 37. Nxb6 Rc2 38. Nd7 Rb2 39. Bc4 Rxb4 40. Bxe6+ Kh7 41. Nf8+ 1-0

[Event "Kiel Doppelbauer GM 2nd"]
[Site "Kiel"]
[Date "2022.07.05"]
[Round "9"]
[White "Farokhi, Keyvan"]
[Black "Rosner, Jonas"]
[Result "1/2-1/2"]
[ECO "D12"]
[WhiteElo "2332"]
[BlackElo "2478"]
[PlyCount "134"]
[EventDate "2022.06.29"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[EventCategory "10"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 Bf5 5. Nc3 e6 6. Nh4 Be4 7. f3 Bg6 8. Qb3 Qc7 9. Bd2 Be7 10. Nxg6 hxg6 11. Rc1 dxc4 12. Bxc4 Nbd7 13. e4 Rxh2 14. Kf2 Nh5 15. f4 Rxh1 16. Rxh1 0-0-0 17. g3 Nc5 18. Qc2 Rxd4 19. Be2 Nf6 20. Be3 Rd8 21. b4 Ncd7 22. Rc1 a6 23. b5 cxb5 24. e5 Ne8 25. Qb1 Nc5 26. Ne4 b6 27. a4 Qa7 28. axb5 axb5 29. Nxc5 Bxc5 30. Qxb5 Nc7 31. Bxc5 bxc5 32. Qxc5 Qxc5+ 33. Rxc5 Rd5 34. Rxd5 exd5 35. g4 Kd7 36. Ke3 Kc6 37. f5 gxf5 38. gxf5 Kc5 39. Kd3 f6 40. e6 Kd6 41. Bh5 Na6 42. Kd4 Nb4 43. Be8 Nc2+ 44. Kd3 Na3 45. Kd4 Nc4 46. Ba4 Ne5 47. e7 Kxe7 48. Kxd5 Kf7 49. Bd1 Kg8 50. Kd6 Kh7 51. Ke7 Kh6 52. Kf8 Nc4 53. Be2 Ne3 54. Bd3 Ng4 55. Bb1 Nf2 56. Bc2 Nh3 57. Bb1 Nf4 58. Bc2 Nh5 59. Kf7 Kg5 60. Bb1 Ng3 61. Kxg7 Nxf5+ 62. Kf7 Nd4 63. Bd3 Nb3 64. Bc2 Nd4 65. Bd3 Nb3 66. Bc2 f5 67. Bxf5 Kxf5 1/2-1/2

[Event "Kiel Doppelbauer GM 2nd"]
[Site "Kiel"]
[Date "2022.07.04"]
[Round "8"]
[White "Rosner, Jonas"]
[Black "Teclaf, Pawel"]
[Result "1/2-1/2"]
[ECO "D11"]
[WhiteElo "2478"]
[BlackElo "2548"]
[PlyCount "106"]
[EventDate "2022.06.29"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[EventCategory "10"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. c4 c6 4. e3 Bg4 5. Qb3 Qb6 6. Ne5 e6 7. Nxg4 Nxg4 8. Nc3 Nd7 9. Be2 Ngf6 10. 0-0 Be7 11. Bd2 0-0 12. Rfd1 Rac8 13. Be1 Rfe8 14. Rac1 Bf8 15. Qxb6 axb6 16. a4 dxc4 17. Bxc4 Bb4 18. Kf1 Red8 19. f3 e5 20. d5 Nc5 21. e4 cxd5 22. exd5 Kf8 23. b3 Ne8 24. Bg3 Nxb3 25. Bxb3 Bxc3 26. Bf2 Ba5 27. Bg3 Rxc1 28. Rxc1 f6 29. Ke2 Nd6 30. Bf2 Ke7 31. g4 Rc8 32. Rxc8 Nxc8 33. Kd3 Kd6 34. h4 Ne7 35. h5 Nxd5 36. Ke4 Ne7 37. Be3 g6 38. h6 f5+ 39. Kd3 Nd5 40. g5 Bb4 41. Bc1 Be1 42. Ba3+ Kc6 43. Bc4 Bh4 44. Bc1 Bg3 45. Bb5+ Kc7 46. Bc4 Ne7 47. Bf7 Kd7 48. Bd2 Bh4 49. f4 e4+ 50. Ke3 Kc6 51. Ke2 Bg3 52. Be3 Nd5 53. Bxg6 Nxf4+ 1/2-1/2

[Event "Kiel Doppelbauer GM 2nd"]
[Site "Kiel"]
[Date "2022.07.03"]
[Round "7"]
[White "Hacker, Jonas"]
[Black "Rosner, Jonas"]
[Result "1/2-1/2"]
[ECO "C43"]
[WhiteElo "2471"]
[BlackElo "2478"]
[PlyCount "57"]
[EventDate "2022.06.29"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[EventCategory "10"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. d4 Nxe4 4. Bd3 d5 5. Nxe5 Nd7 6. Nxd7 Bxd7 7. 0-0 Bd6 8. Nc3 Nxc3 9. bxc3 0-0 10. Qh5 f5 11. Re1 c6 12. Bg5 Qc7 13. Be7 Rfe8 14. Bxd6 Qxd6 15. g3 g6 16. Qh6 Rxe1+ 17. Rxe1 b5 18. h4 Qf8 19. Qf4 Re8 20. Rxe8 Bxe8 21. h5 a5 22. Qe5 a4 23. Kg2 Bd7 24. h6 Kf7 25. Qf4 Ke7 26. Qe5+ Be6 27. Qc7+ Bd7 28. Qe5+ Be6 29. Qc7+ 1/2-1/2

[Event "Kiel Doppelbauer GM 2nd"]
[Site "Kiel"]
[Date "2022.07.03"]
[Round "6"]
[White "Rosner, Jonas"]
[Black "Pajeken, Jakob Leon"]
[Result "0-1"]
[ECO "D30"]
[WhiteElo "2478"]
[BlackElo "2434"]
[PlyCount "168"]
[EventDate "2022.06.29"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[EventCategory "10"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 a6 4. e3 d5 5. b3 c5 6. Bb2 cxd4 7. exd4 b6 8. Bd3 Bb7 9. 0-0 Be7 10. Nbd2 Nbd7 11. Qe2 0-0 12. Rac1 Rc8 13. Rfd1 Re8 14. Ne5 Nf8 15. Ndf3 h6 16. a4 a5 17. c5 bxc5 18. Bb5 N8d7 19. dxc5 Nxc5 20. Bxe8 Qxe8 21. Nd4 Ba6 22. Qe1 Ra8 23. Ndc6 Bd6 24. Qe3 Nfd7 25. Nxd7 Nxd7 26. Nxa5 Qd8 27. Nc4 Bxc4 28. bxc4 Qb8 29. Rb1 Bxh2+ 30. Kh1 Bf4 31. Qf3 Rxa4 32. Bxg7 Qd6 33. Qg4 h5 34. Qxh5 Kxg7 35. Qg4+ Kf8 36. cxd5 Qe5 37. g3 Bxg3 38. Qxg3 Qh5+ 39. Kg2 Rg4 40. dxe6 Rxg3+ 41. fxg3 Qe2+ 42. Kg1 Ne5 43. Rf1 Nf3+ 44. Rxf3 Qxf3 45. e7+ Kxe7 46. Kh2 Qf2+ 47. Kh1 Qxg3 48. Rb7+ Ke6 49. Re7+ Kd6 50. Rd7+ Kc6 51. Rxf7 Qh3+ 52. Kg1 Qg4+ 53. Kf2 Kd5 54. Rf3 Ke4 55. Rg3 Qf4+ 56. Kg2 Qd2+ 57. Kh3 Qe1 58. Kg4 Qa1 59. Kg5 Qg7+ 60. Kh4 Qh8+ 61. Kg5 Qe5+ 62. Kg4 Qf4+ 63. Kh3 Qf1+ 64. Kg4 Qe1 65. Rg2 Qd1+ 66. Kg3 Ke3 67. Kh2 Qe1 68. Rg8 Qh4+ 69. Kg1 Qf2+ 70. Kh1 Qf7 71. Rg3+ Kf2 72. Rg2+ Kf3 73. Kh2 Qd5 74. Kg1 Qd4+ 75. Kh2 Qe4 76. Kh1 Qb1+ 77. Kh2 Qe1 78. Rg8 Qh4+ 79. Kg1 Qd4+ 80. Kh2 Qd2+ 81. Kg1 Qc1+ 82. Kh2 Qc2+ 83. Kg1 Qb1+ 84. Kh2 Qa2+ 0-1

[Event "Kiel Doppelbauer GM 2nd"]
[Site "Kiel"]
[Date "2022.07.02"]
[Round "5"]
[White "Rosner, Jonas"]
[Black "Parvanyan, Ashot"]
[Result "1/2-1/2"]
[ECO "D55"]
[WhiteElo "2478"]
[BlackElo "2428"]
[PlyCount "64"]
[EventDate "2022.06.29"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[EventCategory "10"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 d5 4. e3 a6 5. b3 b6 6. Bd3 Bb7 7. 0-0 Nbd7 8. Qe2 Bd6 9. cxd5 exd5 10. Ba3 Bxa3 11. Nxa3 Qe7 12. Nb1 0-0 13. Nc3 c5 14. Rac1 Ne4 15. Rfd1 Rfc8 16. dxc5 Nxc3 17. Rxc3 bxc5 18. Rdc1 g6 19. h3 Nf8 20. Nd2 Ne6 21. Qg4 Rd8 22. Nf3 d4 23. exd4 cxd4 24. R3c2 Qf6 25. Nd2 Nf4 26. Bf1 h5 27. Qd1 Nxh3+ 28. gxh3 Qg5+ 29. Kh2 Qf4+ 30. Kg1 Qg5+ 31. Kh2 Qf4+ 32. Kg1 Qg5+ 1/2-1/2

[Event "Kiel Doppelbauer GM 2nd"]
[Site "Kiel"]
[Date "2022.07.01"]
[Round "4"]
[White "Horvath, Dominik"]
[Black "Rosner, Jonas"]
[Result "1-0"]
[ECO "D52"]
[WhiteElo "2488"]
[BlackElo "2478"]
[PlyCount "81"]
[EventDate "2022.06.29"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[EventCategory "10"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 Nbd7 6. e3 Qa5 7. Nd2 dxc4 8. Bxf6 Nxf6 9. Nxc4 Qc7 10. Rc1 Bd6 11. e4 e5 12. f4 Bb4 13. fxe5 Nxe4 14. Bd3 Nxc3 15. bxc3 Be7 16. 0-0 Be6 17. Qf3 Qd7 18. Rb1 0-0 19. Ne3 g6 20. Qf4 Rad8 21. Qh6 f5 22. h4 Rf7 23. h5 Bf8 24. Qf4 Qe7 25. Qg3 Rg7 26. h6 Rf7 27. Bxf5 Bxa2 28. Rb2 Be6 29. Rxb7 Rd7 30. Rb8 a5 31. Ra8 Bxf5 32. Nxf5 Qe6 33. Nd6 Ra7 34. Rxa7 Rxa7 35. Rf6 Qb3 36. e6 Bxh6 37. Nc8 Ra8 38. Rxg6+ hxg6 39. Qxg6+ Bg7 40. Ne7+ Kh8 41. Qh5+ 1-0

[Event "Kiel Doppelbauer GM 2nd"]
[Site "Kiel"]
[Date "2022.06.30"]
[Round "2"]
[White "Ernst, Sipke"]
[Black "Rosner, Jonas"]
[Result "1/2-1/2"]
[ECO "E01"]
[WhiteElo "2538"]
[BlackElo "2478"]
[PlyCount "105"]
[EventDate "2022.06.29"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[EventCategory "10"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. g3 dxc4 6. Bg2 Nbd7 7. 0-0 b5 8. e4 Bb7 9. e5 Nd5 10. Ng5 h6 11. Nxe6 fxe6 12. Qh5+ Ke7 13. Ne4 Qe8 14. Bg5+ hxg5 15. Qxh8 Kd8 16. Nxg5 Qe7 17. Qh5 Kc7 18. Rae1 Kb6 19. Bxd5 exd5 20. Re3 Qe8 21. Qg4 c5 22. Ne6 Bc8 23. Nxf8 Nxf8 24. dxc5+ Kxc5 25. e6 Nxe6 26. Rd1 Qf7 27. Re5 Nc7 28. Qd4+ Kc6 29. b4 Be6 30. Rde1 Re8 31. Qxa7 Qf3 32. R1e3 Qd1+ 33. Re1 Qf3 34. R1e3 Qd1+ 35. Kg2 Kd7 36. h4 Qg4 37. Kg1 Qd1+ 38. Re1 Qf3 39. R1e3 Qd1+ 40. Re1 Qf3 41. Qc5 Qf8 42. Qd4 Qxb4 43. h5 Re7 44. g4 Re8 45. g5 Qf8 46. R5e3 Re7 47. g6 Qf5 48. Re5 Qf6 49. R1e4 Kd6 50. Qb6+ Kd7 51. Qd4 Kd6 52. Qb6+ Kd7 53. Qd4 1/2-1/2

[Event "Kiel Doppelbauer GM 2nd"]
[Site "Kiel"]
[Date "2022.06.30"]
[Round "3"]
[White "Rosner, Jonas"]
[Black "Bogner, Sebastian"]
[Result "0-1"]
[ECO "E62"]
[WhiteElo "2478"]
[BlackElo "2545"]
[PlyCount "78"]
[EventDate "2022.06.29"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[EventCategory "10"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. g3 0-0 5. Bg2 d6 6. Nc3 Nc6 7. 0-0 e5 8. dxe5 dxe5 9. Bg5 Be6 10. Nd2 h6 11. Bxf6 Bxf6 12. Nde4 Be7 13. Qc1 Kg7 14. Rd1 Qe8 15. Nd5 Bd8 16. e3 Nb8 17. Nc5 Bc8 18. Nxb7 Bxb7 19. Nxc7 Bxc7 20. Bxb7 Nc6 21. Bxa8 Qxa8 22. Qc3 a5 23. Rd5 Bd8 24. Rad1 Bf6 25. Rd6 Rc8 26. c5 h5 27. h4 Rc7 28. b3 Qc8 29. Kg2 Qf5 30. Qd2 e4 31. Rd7 Rc8 32. Qd5 Ne5 33. Rd6 Be7 34. Rb6 Rd8 35. Rd6 Bxd6 36. cxd6 Nd3 37. Qxf5 gxf5 38. Rd2 Rxd6 39. Kf1 Rc6 0-1

[Event "Kiel Doppelbauer GM 2nd"]
[Site "Kiel"]
[Date "2022.06.29"]
[Round "1"]
[White "Rosner, Jonas"]
[Black "Meskovs, Nikita"]
[Result "1/2-1/2"]
[ECO "E14"]
[WhiteElo "2478"]
[BlackElo "2535"]
[PlyCount "45"]
[EventDate "2022.06.29"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[EventCategory "10"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. e3 b6 5. b3 Bb7 6. Bd3 Nbd7 7. 0-0 Bd6 8. cxd5 exd5 9. Ba3 Qe7 10. Bxd6 Qxd6 11. Nc3 a6 12. Rc1 0-0 13. Qc2 Rfe8 14. Na4 Rac8 15. Qe2 Ra8 16. Qc2 Rac8 17. Qe2 Ra8 18. Bf5 g6 19. Bh3 c5 20. Rfd1 Rac8 21. Qb2 c4 22. Ne5 Bc6 23. Nc3 1/2-1/2

[Event "Oberliga Baden 2122"]
[Site "Germany"]
[Date "2022.06.18"]
[Round "6.1"]
[White "Rosner, Jonas"]
[Black "Solodovnichenko, Yuri"]
[Result "1/2-1/2"]
[ECO "A84"]
[WhiteElo "2466"]
[BlackElo "2492"]
[PlyCount "42"]
[EventDate "2021.10.10"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Ettlingen"]
[BlackTeam "Untergrombach"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 d5 2. c4 e6 3. Nf3 c6 4. e3 Nf6 5. b3 Ne4 6. Bd3 f5 7. 0-0 Nd7 8. Qc2 Bd6 9. Ba3 Bxa3 10. Nxa3 Qe7 11. Nb1 0-0 12. Nc3 Nd6 13. Ne2 dxc4 14. Bxc4 b5 15. Bd3 Bb7 16. b4 a5 17. a3 axb4 18. axb4 Nf7 19. Qb3 g5 20. Nd2 Nb6 21. Nc3 Kg7 1/2-1/2

[Event "Oberliga Baden 2122"]
[Site "Germany"]
[Date "2022.05.14"]
[Round "5.1"]
[White "Rosner, Jonas"]
[Black "Ruff, Maximilian"]
[Result "1-0"]
[ECO "E04"]
[WhiteElo "2466"]
[BlackElo "2295"]
[PlyCount "83"]
[EventDate "2021.10.10"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Ettlingen"]
[BlackTeam "Karlsruhe"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Nf3 a6 6. 0-0 Nc6 7. Qd2 Rb8 8. Ne5 Nxe5 9. dxe5 Nd7 10. Qf4 b5 11. Rd1 Bb7 12. Nc3 Bxg2 13. Kxg2 Qc8 14. Ne4 Be7 15. Qg4 Kf8 16. Bg5 Qe8 17. Rd2 Nxe5 18. Qf4 f6 19. Nxf6 gxf6 20. Bxf6 Bxf6 21. Qxf6+ Nf7 22. Rad1 Rg8 23. Rd7 Rg6 24. Qh4 Rg7 25. Rxc7 Rc8 26. Ra7 Ra8 27. Rc7 Rc8 28. Ra7 Qc6+ 29. f3 Rc7 30. Qf6 Rxa7 31. Rd8+ Qe8 32. Rxe8+ Kxe8 33. Qxg7 Rc7 34. Qxh7 b4 35. Qg8+ Ke7 36. Qb8 Kd7 37. Qxb4 Nd6 38. h4 Rb7 39. Qc3 Rb5 40. g4 e5 41. h5 Ke6 42. Qc2 1-0

[Event "Oberliga Baden 2122"]
[Site "Germany"]
[Date "2022.05.01"]
[Round "4.1"]
[White "Rosner, Jonas"]
[Black "Roos, Jean Luc"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "2466"]
[BlackElo "2192"]
[PlyCount "77"]
[EventDate "2021.10.10"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Ettlingen"]
[BlackTeam "Kuppenheim"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2 0-0 7. Qc2 Nbd7 8. Nc3 c6 9. h4 Bb4 10. 0-0 Qe7 11. a3 Bd6 12. e4 dxe4 13. Nxe4 Nxe4 14. Qxe4 e5 15. Rfe1 f5 16. Qc2 e4 17. Ng5 c5 18. Nxe4 fxe4 19. Bxe4 Qd8 20. Bxh7+ Kh8 21. Bg6 Qc7 22. Bg5 Nf6 23. d5 Bg4 24. Kg2 Qd7 25. f4 Bh3+ 26. Kg1 Qg4 27. Kh2 Qd7 28. f5 Bg4 29. Re6 Qc7 30. Qc3 Nh5 31. Bxh5 Bxh5 32. Rae1 Kg8 33. Re7 Bxe7 34. Rxe7 Qxe7 35. Bxe7 Rxf5 36. Qe3 Rf3 37. Qxc5 Bg4 38. d6 Rd3 39. Qg5 1-0

[Event "Oberliga Baden 2122"]
[Site "Germany"]
[Date "2022.04.10"]
[Round "11.1"]
[White "Zaragatski, Ilja"]
[Black "Rosner, Jonas"]
[Result "1/2-1/2"]
[ECO "D30"]
[WhiteElo "2519"]
[BlackElo "2466"]
[PlyCount "69"]
[EventDate "2021.10.10"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Viernheim II"]
[BlackTeam "Ettlingen"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. e3 e6 5. b3 Ne4 6. Bd3 Bb4+ 7. Nbd2 f5 8. Ne5 0-0 9. 0-0 Nxd2 10. Bxd2 Bd6 11. b4 Nd7 12. f4 Nxe5 13. fxe5 Be7 14. Qb3 a6 15. a4 Bg5 16. g3 Qe8 17. b5 axb5 18. axb5 Bd7 19. cxd5 Rxa1 20. Rxa1 cxd5 21. Ra7 Qc8 22. Kf2 Be7 23. Bb4 Qb8 24. Ra2 Qe8 25. Qa3 Bxb4 26. Qxb4 g5 27. Qd6 Qf7 28. Kg1 Rc8 29. Rc2 Rxc2 30. Bxc2 Bxb5 31. Qd8+ Kg7 32. Qxg5+ Qg6 33. Qe7+ Qf7 34. Qg5+ Qg6 35. Qe7+ 1/2-1/2

[Event "Oberliga Baden 2122"]
[Site "Germany"]
[Date "2022.04.09"]
[Round "10.1"]
[White "Baramidze, David"]
[Black "Rosner, Jonas"]
[Result "1/2-1/2"]
[ECO "B11"]
[WhiteElo "2601"]
[BlackElo "2466"]
[PlyCount "79"]
[EventDate "2021.10.10"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Hockenheim"]
[BlackTeam "Ettlingen"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c6 2. Nc3 d5 3. Nf3 Bg4 4. h3 Bxf3 5. Qxf3 e6 6. d3 Nd7 7. Be2 Bc5 8. Qg3 Bd4 9. Be3 Bf6 10. d4 Ne7 11. e5 Nf5 12. Qf3 Nh4 13. Qg3 Nf5 14. Qf3 Nh4 15. Qg4 h5 16. Qg3 Nf5 17. Qf4 g5 18. Qh2 Be7 19. Bd3 Qb6 20. 0-0-0 Nxd4 21. h4 gxh4 22. Qf4 c5 23. Bxd4 cxd4 24. Nb5 Rg8 25. Kb1 Nc5 26. Nxd4 a6 27. Be2 Bg5 28. Qf3 0-0-0 29. Qxf7 Rdf8 30. Qxh5 Ne4 31. Nxe6 Nc3+ 32. Ka1 Nxd1 33. Rxd1 Qxe6 34. Bg4 Rf5 35. f4 Kb8 36. Qh7 Rgf8 37. Bxf5 Qxf5 38. Qxf5 Rxf5 39. fxg5 Rxe5 40. g6 1/2-1/2

[Event "Oberliga Baden 2122"]
[Site "Germany"]
[Date "2022.03.20"]
[Round "9.1"]
[White "Rosner, Jonas"]
[Black "Georgiadis, Ioannis"]
[Result "1-0"]
[ECO "E02"]
[WhiteElo "2466"]
[BlackElo "2467"]
[PlyCount "45"]
[EventDate "2021.10.10"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Ettlingen"]
[BlackTeam "Brombach"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Nf3 Nc6 6. Qa4 Bd7 7. Qxc4 Na5 8. Qd3 c5 9. 0-0 Rc8 10. Nc3 cxd4 11. Nxd4 Bb4 12. Ne4 Nxe4 13. Bxe4 Qb6 14. Rd1 Ba4 15. b3 Rc3 16. Qb1 Bc5 17. e3 Bxd4 18. Rxd4 Bc6 19. Bb2 Bxe4 20. Rxe4 Rc7 21. Bxg7 Rg8 22. Bd4 Qb5 23. Re5 1-0

[Event "Oberliga Baden 2122"]
[Site "Germany"]
[Date "2022.03.06"]
[Round "8.1"]
[White "Cvitan, Ognjen"]
[Black "Rosner, Jonas"]
[Result "1-0"]
[ECO "D47"]
[WhiteElo "2451"]
[BlackElo "2466"]
[PlyCount "107"]
[EventDate "2021.10.10"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Emmendingen"]
[BlackTeam "Ettlingen"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bd6 9. 0-0 0-0 10. b3 Bb7 11. Bb2 a6 12. a4 Qe7 13. Rc1 Rac8 14. Qe2 Rfe8 15. Ne4 Nxe4 16. Bxe4 Nf6 17. Bd3 Nd5 18. Rfd1 Nb4 19. Bb1 bxa4 20. bxa4 a5 21. Nd2 Ba6 22. Nc4 Bc7 23. h3 Red8 24. Qf3 Rb8 25. Ba3 c5 26. dxc5 Rxd1+ 27. Qxd1 Qxc5 28. Bb2 Bxc4 29. Qg4 Be5 30. Rxc4 Qd6 31. Bxh7+ Kf8 32. Bd4 Bxd4 33. Rxd4 Qe5 34. Be4 f5 35. Qh5 Kg8 36. g4 Rf8 37. gxf5 Nd5 38. Qg6 Nf4 39. exf4 Qxd4 40. fxe6 Rxf4 41. Qe8+ Rf8 42. Bh7+ Kxh7 43. Qxf8 Qa1+ 44. Kg2 Qxa4 45. Qf5+ Kg8 46. Qf7+ Kh7 47. e7 Qe4+ 48. Kg3 Qe5+ 49. Kf3 Qc3+ 50. Kg2 Qc6+ 51. f3 Qc2+ 52. Kg3 Qc7+ 53. Kg4 Qc8+ 54. Qf5+ 1-0

[Event "Bayern-chI Bank Hofmann 24th"]
[Site "Tegernsee"]
[Date "2021.11.07"]
[Round "9"]
[White "Rosner, Jonas"]
[Black "Seifert, Volker"]
[Result "1/2-1/2"]
[ECO "A17"]
[WhiteElo "2457"]
[BlackElo "2246"]
[PlyCount "81"]
[EventDate "2021.10.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. c4 e6 2. Nf3 Nf6 3. Nc3 Bb4 4. Qc2 c5 5. a3 Ba5 6. e3 0-0 7. Be2 d5 8. 0-0 dxc4 9. Bxc4 Nc6 10. Na4 Qd6 11. Ba2 Bb6 12. d3 Ne5 13. Nxe5 Qxe5 14. Nxb6 axb6 15. Bd2 Qd6 16. Rad1 e5 17. Bc3 b5 18. d4 exd4 19. exd4 Ng4 20. g3 Qh6 21. h4 b4 22. Bd2 Qh5 23. Bb1 bxa3 24. bxa3 Rxa3 25. Qxc5 Qxc5 26. dxc5 Ne5 27. Bf4 Nc6 28. Be4 Be6 29. Rb1 Ra7 30. Rfd1 Rc8 31. Rb2 h6 32. Rdb1 Na5 33. Ra1 Rca8 34. Bc7 Nb3 35. Rxa7 Rxa7 36. Bb6 Ra1+ 37. Kg2 Rc1 38. Ra2 f5 39. Ra8+ Kh7 40. Bxb7 Nxc5 41. Bxc5 1/2-1/2

[Event "Bayern-chI Bank Hofmann 24th"]
[Site "Tegernsee"]
[Date "2021.11.06"]
[Round "8"]
[White "Gumularz, Szymon"]
[Black "Rosner, Jonas"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2534"]
[BlackElo "2457"]
[PlyCount "89"]
[EventDate "2021.10.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. h4 h5 5. Bd3 Bxd3 6. Qxd3 Qa5+ 7. Nd2 e6 8. Ngf3 Nh6 9. 0-0 Nf5 10. Nb3 Qb5 11. Qd1 c5 12. a4 Qb6 13. dxc5 Bxc5 14. a5 Qc7 15. Nxc5 Qxc5 16. Re1 Nc6 17. Ra4 0-0-0 18. a6 b5 19. Ra3 Rd7 20. Qd3 b4 21. Ra4 Kc7 22. c3 b3 23. Nd4 Nfxd4 24. cxd4 Qc2 25. Qe3 Rb8 26. Bd2 Qxb2 27. Bc3 Qc2 28. Rc1 b2 29. Rxc2 b1Q+ 30. Rc1 Qb5 31. Ba5+ Kc8 32. Qc3 Rc7 33. Bxc7 Kxc7 34. Ra5 Qc4 35. Qd2 Qb4 36. Qc2 Qc4 37. Qxc4 dxc4 38. Rxc4 Kd7 39. Ra3 Rb6 40. g3 g6 41. Kg2 Ne7 42. Rcc3 Nc6 43. Rf3 Ke7 44. Rfb3 Nb4 45. Ra4 1-0

[Event "Bayern-chI Bank Hofmann 24th"]
[Site "Tegernsee"]
[Date "2021.11.05"]
[Round "7"]
[White "Rosner, Jonas"]
[Black "Raupp, Thomas"]
[Result "1-0"]
[ECO "A13"]
[WhiteElo "2457"]
[BlackElo "2256"]
[PlyCount "80"]
[EventDate "2021.10.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. c4 e6 2. Nf3 d5 3. e3 Nf6 4. Nc3 Be7 5. b3 0-0 6. Bb2 c5 7. cxd5 Nxd5 8. h4 Nxc3 9. Bxc3 Bf6 10. Qc2 Bxc3 11. dxc3 Nd7 12. Bd3 f5 13. 0-0-0 Qf6 14. e4 Nb6 15. Rhe1 Bd7 16. exf5 exf5 17. Ne5 Rad8 18. g3 Bc8 19. f4 Be6 20. Kb2 c4 21. Bxc4 Bxc4 22. bxc4 Rc8 23. c5 Rxc5 24. Qb3+ Kh8 25. Nf7+ Rxf7 26. Re6 Nc4+ 27. Ka1 h6 28. Rxf6 gxf6 29. Qa4 b5 30. Qc2 Kg7 31. Qd3 Nb6 32. h5 Rd7 33. Qe2 Rxd1+ 34. Qxd1 Rxc3 35. Qd8 Na4 36. Qe7+ Kg8 37. Qe8+ Kg7 38. Qg6+ Kf8 39. Qxf6+ Ke8 40. Qe5+ Kd8 1-0

[Event "Bayern-chI Bank Hofmann 24th"]
[Site "Tegernsee"]
[Date "2021.11.04"]
[Round "6"]
[White "Baum, Jonasz"]
[Black "Rosner, Jonas"]
[Result "1/2-1/2"]
[ECO "D52"]
[WhiteElo "2260"]
[BlackElo "2457"]
[PlyCount "51"]
[EventDate "2021.10.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 Nbd7 6. e3 Qa5 7. Nd2 Bb4 8. Qc2 dxc4 9. Bxf6 Nxf6 10. Nxc4 Qc7 11. a3 Be7 12. b4 0-0 13. Be2 b6 14. Bf3 Ba6 15. Ne5 c5 16. Bxa8 cxd4 17. exd4 Rxa8 18. Qb2 Rc8 19. Rc1 Qd8 20. b5 Bb7 21. 0-0 Qxd4 22. Nd1 Qf4 23. Rxc8+ Bxc8 24. Qc3 Bb7 25. Ne3 Bd6 26. N3c4 1/2-1/2

[Event "Bayern-chI Bank Hofmann 24th"]
[Site "Tegernsee"]
[Date "2021.11.03"]
[Round "5"]
[White "Rosner, Jonas"]
[Black "Richter, Nils"]
[Result "1-0"]
[ECO "A21"]
[WhiteElo "2457"]
[BlackElo "2277"]
[PlyCount "123"]
[EventDate "2021.10.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Bb4 3. Nd5 Be7 4. d4 exd4 5. Qxd4 Nf6 6. Nxe7 Qxe7 7. Bg5 Nc6 8. Qc3 d6 9. Bxf6 Qxf6 10. Qxf6 gxf6 11. e3 Ne5 12. Be2 Rg8 13. f4 Ng4 14. Bxg4 Bxg4 15. Kf2 a5 16. Nf3 Bxf3 17. Kxf3 Ra6 18. Rac1 Rc6 19. Rhd1 Rc5 20. b3 Kd7 21. a3 Ra8 22. Rd4 b5 23. Rd5 a4 24. b4 Rxc4 25. Rxc4 bxc4 26. Rd4 Ra6 27. Ke2 f5 28. Kd2 d5 29. Rxd5+ Rd6 30. Rd4 Ke7 31. Kc2 Rg6 32. g3 Rh6 33. h4 Rg6 34. Rxc4 Kd6 35. Kd3 Rxg3 36. Rc5 Rg1 37. Rxf5 Ra1 38. Rxf7 Rxa3+ 39. Kd4 Rb3 40. Rf6+ Ke7 41. Ra6 Rxb4+ 42. Kd5 Rb5+ 43. Kc4 Rh5 44. Rxa4 Rxh4 45. Ra6 Rh1 46. Kd4 Rd1+ 47. Ke4 Rd6 48. Ra5 Re6+ 49. Kf3 Kd6 50. e4 c5 51. f5 Re8 52. Kf4 Rc8 53. Ra6+ Kd7 54. Rh6 c4 55. Rxh7+ Kd6 56. e5+ Kc6 57. e6 c3 58. Ke5 c2 59. Rh1 Kc7 60. f6 Kd8 61. Kd6 c1Q 62. Rh8# 1-0

[Event "Bayern-chI Bank Hofmann 24th"]
[Site "Tegernsee"]
[Date "2021.11.02"]
[Round "4"]
[White "Mastrovasilis, Dimitrios"]
[Black "Rosner, Jonas"]
[Result "1-0"]
[ECO "B11"]
[WhiteElo "2614"]
[BlackElo "2457"]
[PlyCount "127"]
[EventDate "2021.10.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. e4 c6 2. Nf3 d5 3. Nc3 Bg4 4. h3 Bxf3 5. Qxf3 e6 6. d4 Nf6 7. Be2 dxe4 8. Qe3 Bb4 9. 0-0 Bxc3 10. bxc3 0-0 11. Qg3 Kh8 12. Rb1 b5 13. a4 a6 14. c4 bxc4 15. Ba3 Re8 16. Rb7 Kg8 17. Rfb1 Nd5 18. Bxc4 Nd7 19. Bd6 a5 20. Bf1 Nf8 21. Rb8 Rxb8 22. Rxb8 Qd7 23. Qb3 h5 24. Rxe8 Qxe8 25. Qb7 Ng6 26. c4 Nde7 27. Bc7 Qd7 28. Qa8+ Kh7 29. Qxa5 Nf5 30. Bb6 h4 31. Qe1 c5 32. Qxe4 Qxa4 33. dxc5 Nge7 34. Bd8 Qc6 35. Bd3 Qxc5 36. Qxh4+ Kg8 37. Qe4 Nc6 38. Bg5 Ne5 39. Bf1 f6 40. Bf4 Nd6 41. Qa8+ Kf7 42. Bxe5 Qxe5 43. Qa7+ Kf8 44. Qb8+ Kf7 45. Qc7+ Kf8 46. g3 Nf7 47. Qc8+ Ke7 48. Qb7+ Kf8 49. Qa8+ Ke7 50. Qa3+ Qd6 51. c5 Qc7 52. c6+ Nd6 53. Qc5 Kf7 54. Bg2 Nc8 55. Qh5+ Ke7 56. Qh8 Kf7 57. Bf3 f5 58. Bh5+ Kf6 59. Qf8+ Ke5 60. Qc5+ Kf6 61. Qd4+ Ke7 62. Qxg7+ Kd6 63. Qxc7+ Kxc7 64. Be8 1-0

[Event "Bayern-chI Bank Hofmann 24th"]
[Site "Tegernsee"]
[Date "2021.11.01"]
[Round "3"]
[White "Rosner, Jonas"]
[Black "Welling, Gerard J"]
[Result "1-0"]
[ECO "A55"]
[WhiteElo "2457"]
[BlackElo "2282"]
[PlyCount "53"]
[EventDate "2021.10.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 d6 4. d4 Nbd7 5. g3 Be7 6. Bg2 0-0 7. 0-0 c6 8. e4 a6 9. a4 a5 10. h3 exd4 11. Nxd4 Nc5 12. Be3 Re8 13. Qc2 Bf8 14. Rfe1 Qb6 15. b3 g6 16. f4 Bg7 17. Rad1 Bd7 18. Bf2 Qc7 19. Nf3 Bf8 20. g4 Bc8 21. Bxc5 dxc5 22. e5 Nd7 23. Ne4 Be7 24. Nd6 Rf8 25. Qd3 Nb8 26. f5 Na6 27. f6 1-0

[Event "Bayern-chI Bank Hofmann 24th"]
[Site "Tegernsee"]
[Date "2021.10.31"]
[Round "2"]
[White "Lederle, Vitus"]
[Black "Rosner, Jonas"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "2207"]
[BlackElo "2457"]
[PlyCount "88"]
[EventDate "2021.10.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. f3 dxe4 4. fxe4 e5 5. Nf3 Bg4 6. Bc4 Nd7 7. 0-0 Ngf6 8. Be3 Bd6 9. Nc3 0-0 10. Qd2 b5 11. Bd3 Qc7 12. a3 a6 13. dxe5 Nxe5 14. Nxe5 Bxe5 15. Bf4 Rad8 16. Bxe5 Qxe5 17. Qf4 Rfe8 18. Rae1 Bh5 19. Qxe5 Rxe5 20. Rf5 Nd7 21. Ne2 Bxe2 22. Rxe2 Re7 23. c3 Ne5 24. Bc2 f6 25. h3 Red7 26. Rf1 Kf8 27. Bb3 Ke7 28. a4 Kd6 29. axb5 axb5 30. Rd1+ Kc5 31. Rxd7 Rxd7 32. Kf1 b4 33. cxb4+ Kxb4 34. Bg8 h6 35. Kf2 Rd1 36. Rc2 c5 37. Ke2 Rd4 38. Ke3 Rd3+ 39. Ke2 h5 40. Be6 h4 41. Bg8 Rg3 42. Kf1 c4 43. Bd5 Kb3 44. Rd2 Nd3 0-1

[Event "Bayern-chI Bank Hofmann 24th"]
[Site "Tegernsee"]
[Date "2021.10.30"]
[Round "1"]
[White "Rosner, Jonas"]
[Black "Wenner, Tobias"]
[Result "1-0"]
[ECO "E62"]
[WhiteElo "2457"]
[BlackElo "2110"]
[PlyCount "59"]
[EventDate "2021.10.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 g6 3. d4 Bg7 4. g3 d6 5. Bg2 0-0 6. Nc3 Nc6 7. 0-0 e5 8. dxe5 dxe5 9. Bg5 h6 10. Qxd8 Rxd8 11. Bxf6 Bxf6 12. Nd5 Bg7 13. Nxc7 Rb8 14. e4 Bg4 15. Nd5 Bxf3 16. Bxf3 Nd4 17. Kg2 Bf8 18. Rac1 a5 19. Rfd1 Kg7 20. Bg4 b5 21. c5 f5 22. c6 Nxc6 23. Rxc6 fxg4 24. Rc7+ Kh8 25. Rdc1 Rd6 26. Rf7 Bg7 27. Rcc7 Rg8 28. Ne7 Rgd8 29. Nd5 Rg8 30. h3 1-0

[Event "Oberliga Baden 2122"]
[Site "Germany"]
[Date "2021.10.24"]
[Round "2.1"]
[White "Ikonnikov, Vyacheslav"]
[Black "Rosner, Jonas"]
[Result "1/2-1/2"]
[ECO "D36"]
[WhiteElo "2493"]
[BlackElo "2466"]
[PlyCount "61"]
[EventDate "2021.10.10"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Bad Mergentheim"]
[BlackTeam "Ettlingen"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 Nbd7 6. cxd5 exd5 7. Qc2 h6 8. Bh4 Be7 9. e3 0-0 10. Bd3 Re8 11. 0-0 Ne4 12. Bxe4 Bxh4 13. Bh7+ Kh8 14. Bd3 Be7 15. h3 Bd6 16. e4 dxe4 17. Nxe4 Nf6 18. Nxd6 Qxd6 19. Qc5 Rd8 20. Bc4 Be6 21. Bxe6 Qxe6 22. Rfe1 Qd5 23. Re7 Qxc5 24. dxc5 Rd7 25. Rae1 Kg8 26. Rxd7 Nxd7 27. b4 a5 28. Re7 Rd8 29. a3 axb4 30. axb4 Kf8 31. Re1 1/2-1/2

[Event "Bodensee-Cup"]
[Site "Ueberlingen/Nussdorf"]
[Date "2021.10.17"]
[Round "3.1"]
[White "Rosner, Jonas"]
[Black "Baenziger, Fabian"]
[Result "1-0"]
[ECO "D45"]
[WhiteElo "2457"]
[BlackElo "2388"]
[PlyCount "91"]
[EventDate "2021.10.15"]
[EventType "team-tourn"]
[EventRounds "3"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Baden"]
[BlackTeam "Switzerland"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "SUI"]

1. c4 Nf6 2. Nf3 c6 3. Nc3 d5 4. e3 e6 5. b3 Bd6 6. Bb2 0-0 7. d4 Nbd7 8. Be2 b6 9. 0-0 Bb7 10. Qc2 Qe7 11. Rad1 Rad8 12. Rfe1 Rfe8 13. Bf1 e5 14. dxe5 Nxe5 15. Nd4 dxc4 16. Nf5 Qe6 17. Nxd6 Rxd6 18. Rxd6 Qxd6 19. Rd1 Qe6 20. Ne4 cxb3 21. axb3 Nd5 22. Ng3 Ng4 23. e4 Qh6 24. h3 Nde3 25. fxe3 Qxe3+ 26. Kh1 Qxg3 27. hxg4 c5 28. Kg1 Qe3+ 29. Qf2 Qxb3 30. Rd3 Qe6 31. e5 Bc8 32. Qd2 Qe7 33. g5 Be6 34. Rd6 c4 35. Be2 Rb8 36. Bf3 a5 37. Bc6 g6 38. Bd7 b5 39. Bxe6 fxe6 40. Qxa5 Qxg5 41. Qa7 Rf8 42. Rd7 Qh4 43. Bc3 Qh6 44. Bd2 Qh5 45. Bg5 c3 46. Bf6 1-0

[Event "Bodensee-Cup"]
[Site "Ueberlingen/Nussdorf"]
[Date "2021.10.16"]
[Round "2.1"]
[White "Braun, Georg"]
[Black "Rosner, Jonas"]
[Result "1/2-1/2"]
[ECO "B13"]
[WhiteElo "2405"]
[BlackElo "2457"]
[PlyCount "38"]
[EventDate "2021.10.15"]
[EventType "team-tourn"]
[EventRounds "3"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Wuerttemberg"]
[BlackTeam "Baden"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Nf6 6. Bf4 Bg4 7. Qb3 Qd7 8. Nd2 e6 9. Ngf3 Bd6 10. Bxd6 Qxd6 11. 0-0 0-0 12. Rfe1 Ne7 13. Ne5 Bf5 14. a3 Rab8 15. Qa4 a6 16. Qd1 Bxd3 17. Nxd3 Nf5 18. Qe2 Qc7 19. Rac1 Nd6 1/2-1/2

[Event "Bodensee-Cup"]
[Site "Ueberlingen/Nussdorf"]
[Date "2021.10.15"]
[Round "1.1"]
[White "Rosner, Jonas"]
[Black "Mons, Leon"]
[Result "1/2-1/2"]
[ECO "D32"]
[WhiteElo "2457"]
[BlackElo "2536"]
[PlyCount "85"]
[EventDate "2021.10.15"]
[EventType "team-tourn"]
[EventRounds "3"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Baden"]
[BlackTeam "Bayern"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 Nf6 2. Nf3 e6 3. Nc3 d5 4. e3 c5 5. cxd5 exd5 6. d4 Nc6 7. Bb5 Bd6 8. dxc5 Bxc5 9. 0-0 0-0 10. b3 a6 11. Bxc6 bxc6 12. Bb2 Bg4 13. h3 Bh5 14. Ne2 Bxf3 15. gxf3 Be7 16. Ng3 Qd7 17. Kh2 Rfd8 18. Rg1 Ne8 19. f4 f6 20. Qd3 Bf8 21. Nf5 Kh8 22. Rg4 Qe6 23. Ng3 d4 24. Rh4 h6 25. e4 c5 26. Rg1 Ra7 27. Bc1 c4 28. bxc4 Rc7 29. Nh5 Qxc4 30. Qg3 d3 31. Bb2 d2 32. Nxf6 Nxf6 33. Rxh6+ Kg8 34. Rxf6 d1Q 35. Rxf8+ Kxf8 36. Bxg7+ Ke8 37. Rxd1 Rxd1 38. Be5 Rc6 39. Qg5 Qxe4 40. Qg8+ Ke7 41. Qg7+ Ke8 42. Qg8+ Ke7 43. Qg7+ 1/2-1/2

[Event "Oberliga Baden 2122"]
[Site "Germany"]
[Date "2021.10.10"]
[Round "1.1"]
[White "Rosner, Jonas"]
[Black "Galyas, Miklos"]
[Result "1-0"]
[ECO "A34"]
[WhiteElo "2466"]
[BlackElo "2467"]
[PlyCount "71"]
[EventDate "2021.10.10"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Ettlingen"]
[BlackTeam "Buchen"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 c5 2. Nf3 Nc6 3. e3 e5 4. Nc3 Nf6 5. d4 e4 6. d5 exf3 7. dxc6 bxc6 8. e4 Qc7 9. gxf3 Bd6 10. Be3 0-0 11. Qd2 Be5 12. Rg1 d5 13. cxd5 cxd5 14. exd5 Bf5 15. 0-0-0 Rfd8 16. f4 Bd6 17. Bd3 Bxd3 18. Qxd3 Rab8 19. Qf5 Ne8 20. Ne4 Qb7 21. Rd2 Bf8 22. d6 Rxd6 23. Nxd6 Nxd6 24. Qd5 Qa6 25. Bxc5 Rc8 26. Rc2 Qa4 27. Kb1 Ne4 28. b3 Rxc5 29. Qxc5 Qd7 30. Qe3 Qf5 31. f3 Nd6 32. Rg5 Qh3 33. a4 g6 34. Rd5 h5 35. Ka2 Qf1 36. Qd3 1-0

[Event "GER-ch 92nd"]
[Site "Magdeburg"]
[Date "2021.07.31"]
[Round "9"]
[White "Krassowizkij, Jaroslaw"]
[Black "Rosner, Jonas"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "2448"]
[BlackElo "2434"]
[PlyCount "66"]
[EventDate "2021.07.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Qc7 6. Ne2 Bg4 7. 0-0 Nf6 8. Qe1 e6 9. Bg5 Bxe2 10. Qxe2 Bd6 11. g3 h6 12. Be3 h5 13. Nd2 h4 14. Nf3 hxg3 15. hxg3 0-0-0 16. Rae1 Ne7 17. Bg5 Nd7 18. c4 dxc4 19. Bxc4 Kb8 20. Rc1 Qb6 21. Ne5 Nxe5 22. dxe5 Bc5 23. Kg2 Rd7 24. Bb5 Rc7 25. a3 a6 26. Bd3 Rhc8 27. Qf3 Nc6 28. Qe4 Bd4 29. Rc4 Qxb2 30. Bc1 Qa2 31. Bf4 Rd8 32. Be2 Rd5 33. Rb1 g5 0-1

[Event "GER-ch 92nd"]
[Site "Magdeburg"]
[Date "2021.07.30"]
[Round "8"]
[White "Rosner, Jonas"]
[Black "Feuerstack, Aljoscha"]
[Result "1/2-1/2"]
[ECO "D42"]
[WhiteElo "2434"]
[BlackElo "2473"]
[PlyCount "71"]
[EventDate "2021.07.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 c5 3. Nc3 e6 4. e3 Nc6 5. d4 d5 6. cxd5 Nxd5 7. Bd3 Be7 8. a3 0-0 9. Nxd5 Qxd5 10. Qc2 h6 11. Bh7+ Kh8 12. Be4 Qd6 13. dxc5 Qxc5 14. Qxc5 Bxc5 15. b4 Bb6 16. Bb2 Bd7 17. 0-0 Rfd8 18. Rfd1 Be8 19. Kf1 Rxd1+ 20. Rxd1 Rd8 21. Rxd8 Bxd8 22. g4 Kg8 23. Ke2 Bc7 24. h4 f6 25. Bd3 Kf7 26. Bc4 Bd7 27. Bc3 Ke7 28. g5 hxg5 29. hxg5 e5 30. gxf6+ gxf6 31. Nd2 f5 32. f3 Be8 33. Bd3 Ke6 34. Bc4+ Ke7 35. Bd3 Ke6 36. Bc4+ 1/2-1/2

[Event "GER-ch 92nd"]
[Site "Magdeburg"]
[Date "2021.07.29"]
[Round "7"]
[White "Rosner, Jonas"]
[Black "Ehmann, Thilo"]
[Result "1-0"]
[ECO "D74"]
[WhiteElo "2434"]
[BlackElo "2342"]
[PlyCount "75"]
[EventDate "2021.07.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. c4 g6 2. Nf3 Bg7 3. d4 Nf6 4. g3 0-0 5. Bg2 d5 6. cxd5 Nxd5 7. 0-0 Nc6 8. e4 Nb6 9. d5 Na5 10. Qe1 Nac4 11. Nc3 e6 12. Bg5 f6 13. Bc1 Re8 14. dxe6 Bxe6 15. b3 Nd6 16. Bb2 f5 17. e5 Nf7 18. Rd1 Qc8 19. Qe2 c6 20. Rfe1 Qc7 21. Qc2 Qc8 22. Re2 Bd7 23. Rde1 g5 24. h3 h5 25. h4 g4 26. Ng5 Nxg5 27. hxg5 Be6 28. f4 gxf3 29. Bxf3 Bf7 30. e6 Rxe6 31. Rxe6 Bxe6 32. Ne2 Bd5 33. Bxg7 Bxf3 34. Nf4 Qd7 35. Ba1 Be4 36. Qc3 Kh7 37. Qf6 Kg8 38. g6 1-0

[Event "GER-ch 92nd"]
[Site "Magdeburg"]
[Date "2021.07.29"]
[Round "6"]
[White "Stork, Oliver"]
[Black "Rosner, Jonas"]
[Result "0-1"]
[ECO "B11"]
[WhiteElo "2394"]
[BlackElo "2434"]
[PlyCount "106"]
[EventDate "2021.07.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. e4 c6 2. Nc3 d5 3. Nf3 dxe4 4. Nxe4 Nf6 5. Qe2 Nxe4 6. Qxe4 Nd7 7. Bc4 Nf6 8. Ne5 e6 9. Qe2 b5 10. Bd3 Qc7 11. a4 b4 12. Nxc6 a6 13. Ne5 Bb7 14. Bc4 Bxg2 15. Rg1 Bd5 16. b3 Bxc4 17. bxc4 Qb7 18. d3 Nd7 19. f4 Bc5 20. Be3 Bxe3 21. Qxe3 g6 22. a5 0-0 23. Rb1 Rab8 24. Kd2 Rfd8 25. h4 Nf6 26. Rb3 Rbc8 27. Ke2 Nh5 28. c3 Qe7 29. cxb4 Qxh4 30. Rg4 Qh2+ 31. Qf2 Qh1 32. Rg1 Qh3 33. Kd2 f6 34. Ng4 Rxc4 35. Qb6 Rcd4 36. Qxe6+ Kh8 37. Qxa6 Qf3 38. Kc2 f5 39. Ne5 Qf2+ 40. Kc3 Qxg1 41. Nf7+ Kg7 42. Nxd8 Rxd8 43. Kb2 Qd4+ 44. Ka2 Nxf4 45. Qc6 Nxd3 46. a6 Rd6 47. Qc7+ Kh6 48. b5 Qa4+ 49. Ra3 Nb4+ 50. Kb2 Rd2+ 51. Kb1 Rd1+ 52. Kb2 Nd3+ 53. Rxd3 Qa1+ 0-1

[Event "GER-ch 92nd"]
[Site "Magdeburg"]
[Date "2021.07.28"]
[Round "5"]
[White "Rosner, Jonas"]
[Black "Svane, Frederik"]
[Result "0-1"]
[ECO "A17"]
[WhiteElo "2434"]
[BlackElo "2438"]
[PlyCount "52"]
[EventDate "2021.07.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 e6 3. Nc3 d5 4. e3 Bd6 5. b3 0-0 6. Bb2 Re8 7. d4 b6 8. Bd3 Bb7 9. 0-0 Nbd7 10. Rc1 a6 11. Re1 Ne4 12. Ne2 dxc4 13. bxc4 e5 14. Bb1 exd4 15. exd4 Nxf2 16. Kxf2 Bxf3 17. gxf3 Qh4+ 18. Kg2 Qxh2+ 19. Kf1 Qh3+ 20. Kf2 Qh2+ 21. Kf1 Re3 22. Be4 Re8 23. Rc3 R8xe4 24. fxe4 Qh3+ 25. Kf2 Nf6 26. Ng1 Nxe4# 0-1

[Event "GER-ch 92nd"]
[Site "Magdeburg"]
[Date "2021.07.27"]
[Round "4"]
[White "Fromm, Marius"]
[Black "Rosner, Jonas"]
[Result "1/2-1/2"]
[ECO "B13"]
[WhiteElo "2326"]
[BlackElo "2434"]
[PlyCount "97"]
[EventDate "2021.07.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Qc7 6. h3 g6 7. Ne2 Bf5 8. Bf4 Qd7 9. Bb5 a6 10. Bxc6 Qxc6 11. 0-0 Bxb1 12. Rxb1 Nf6 13. Re1 Bg7 14. Nc1 e6 15. Nd3 0-0 16. h4 Rae8 17. Qf3 Ne4 18. Qh3 h5 19. Re2 f6 20. f3 e5 21. fxe4 dxe4 22. Nb4 Qb5 23. Rxe4 exf4 24. Rbe1 f5 25. Rxe8 Rxe8 26. Rxe8+ Qxe8 27. Nd3 Qe4 28. Qf3 Qxf3 29. gxf3 Bf6 30. Nxf4 Kf7 31. Ng2 b5 32. Kf2 f4 33. Nxf4 Bxh4+ 34. Ke3 Bg3 35. Ne2 Bc7 36. Ke4 Kf6 37. b3 g5 38. c4 bxc4 39. bxc4 Bh2 40. c5 h4 41. f4 h3 42. c6 Bxf4 43. Nxf4 gxf4 44. c7 h2 45. c8Q h1Q+ 46. Kxf4 Qf1+ 47. Ke4 Qh1+ 48. Kd3 Qd1+ 49. Ke4 1/2-1/2

[Event "GER-ch 92nd"]
[Site "Magdeburg"]
[Date "2021.07.27"]
[Round "3"]
[White "Rosner, Jonas"]
[Black "Pajeken, Jakob Leon"]
[Result "1-0"]
[ECO "A17"]
[WhiteElo "2434"]
[BlackElo "2328"]
[PlyCount "117"]
[EventDate "2021.07.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. c4 e6 2. Nf3 d5 3. e3 Nf6 4. Nc3 Nbd7 5. b3 b6 6. Bb2 Bb7 7. Rc1 a6 8. cxd5 exd5 9. Ne2 g6 10. g3 Bg7 11. Bg2 0-0 12. 0-0 Rc8 13. Rc2 Re8 14. Qa1 c5 15. Nf4 b5 16. Rfc1 h6 17. h4 Rc7 18. a4 b4 19. Ne1 Bf8 20. Ned3 g5 21. hxg5 hxg5 22. Ne2 c4 23. bxc4 b3 24. Rc3 Ne4 25. cxd5 Nxc3 26. Nxc3 Nb6 27. Ne4 Rxc1+ 28. Qxc1 Nxd5 29. Ndc5 Ba8 30. Qc4 Bg7 31. Bxg7 Kxg7 32. Qxb3 Qe7 33. Qc4 a5 34. Qd4+ Qe5 35. Nd6 Qxd4 36. Nxe8+ Kf8 37. exd4 Kxe8 38. Nb3 Nb6 39. Bxa8 Nxa8 40. Nxa5 Nb6 41. Kf1 Nxa4 42. Nc4 Ke7 43. g4 Ke6 44. Ke2 f5 45. gxf5+ Kxf5 46. Kf3 g4+ 47. Ke3 Kf6 48. Kf4 Ke6 49. Ke4 Kf6 50. Kd5 Kf5 51. Kc6 Ke4 52. d5 Kd4 53. d6 Nc5 54. Ne3 Ne6 55. Nxg4 Kd3 56. d7 Kxd2 57. f4 Kc3 58. f5 Nd4+ 59. Kd5 1-0

[Event "GER-ch 92nd"]
[Site "Magdeburg"]
[Date "2021.07.26"]
[Round "2"]
[White "Dobrikov, Marco"]
[Black "Rosner, Jonas"]
[Result "0-1"]
[ECO "B11"]
[WhiteElo "2311"]
[BlackElo "2434"]
[PlyCount "68"]
[EventDate "2021.07.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. e4 c6 2. Nf3 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Qe2 Nxe4 6. Qxe4 Qa5 7. Qf4 Qf5 8. Qe3 Qe6 9. b3 Qxe3+ 10. fxe3 a5 11. Bb2 a4 12. Be2 Bg4 13. Rf1 f6 14. Nd4 Bxe2 15. Kxe2 Nd7 16. c4 e5 17. Nf5 g6 18. Ng3 Be7 19. d4 exd4 20. exd4 0-0 21. Ne4 Rfe8 22. Kd3 f5 23. Nc3 a3 24. Bc1 Bf6 25. Bf4 Rad8 26. Rae1 Nc5+ 27. Kc2 Bxd4 28. Rxe8+ Rxe8 29. Rd1 Bxc3 30. Kxc3 Re2 31. Kb4 Ne6 32. Bg3 Rxa2 33. Rd7 f4 34. Bh4 Rxg2 0-1

[Event "GER-ch 92nd"]
[Site "Magdeburg"]
[Date "2021.07.25"]
[Round "1"]
[White "Rosner, Jonas"]
[Black "Gutkin, Ilya"]
[Result "1-0"]
[ECO "A34"]
[WhiteElo "2434"]
[BlackElo "2304"]
[PlyCount "97"]
[EventDate "2021.07.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. c4 c5 2. Nf3 Nc6 3. e3 Nf6 4. Nc3 d5 5. cxd5 Nxd5 6. Bb5 e6 7. Ne5 Qd6 8. Nxc6 bxc6 9. Be2 Nb4 10. 0-0 Nd3 11. Qc2 Ba6 12. Qa4 Bb7 13. b3 Nxc1 14. Raxc1 f5 15. Rfd1 Be7 16. Qc4 a5 17. Bf3 Kf7 18. Na4 Rhb8 19. Nxc5 Qxc5 20. Qxc5 Bxc5 21. Rxc5 a4 22. b4 a3 23. Rb1 Ra6 24. Rb3 Rb6 25. h4 Ra8 26. d4 Kf6 27. Kh2 Ra4 28. Rcc3 Rbxb4 29. Rxb4 Rxb4 30. Rxa3 e5 31. Rb3 Rxb3 32. axb3 e4 33. Be2 h6 34. g4 g5 35. Kg3 Bc8 36. b4 Be6 37. gxf5 Bf7 38. f4 Kxf5 39. Bg4+ Kf6 40. Bd7 Bd5 41. hxg5+ hxg5 42. Kg4 gxf4 43. Kxf4 Ke7 44. Bf5 Kd6 45. Bxe4 Bb3 46. Bf3 Ba2 47. Kf5 Bb3 48. Kf6 Kd7 49. e4 1-0

[Event "Oberliga Baden 1920"]
[Site "Baden"]
[Date "2021.07.18"]
[Round "8.1"]
[White "Rosner, Jonas"]
[Black "Moucheroud, Jeremy"]
[Result "1-0"]
[ECO "D45"]
[WhiteElo "2417"]
[BlackElo "2294"]
[PlyCount "59"]
[EventDate "2019.09.29"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]
[WhiteTeam "Ettlingen"]
[BlackTeam "Sasbach"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 e6 2. Nf3 d5 3. e3 Nf6 4. Nc3 c6 5. b3 Bd6 6. Bb2 0-0 7. Be2 Qe7 8. d4 b6 9. 0-0 Bb7 10. Qc2 Nbd7 11. Rad1 Rfd8 12. e4 dxe4 13. Nxe4 Nxe4 14. Qxe4 Nf6 15. Qh4 c5 16. Ne5 cxd4 17. Bxd4 Bc5 18. Bxc5 bxc5 19. Qf4 Qc7 20. Qe3 Be4 21. f4 Qa5 22. g4 Rxd1 23. Rxd1 Bb7 24. g5 Ne8 25. Nxf7 Kxf7 26. Rd7+ Kf8 27. Rxb7 Rd8 28. Qxe6 Nc7 29. Qf5+ Kg8 30. b4 1-0

[Event "GER-ch Net blitz sf"]
[Site "Playchess.com INT"]
[Date "2021.06.05"]
[Round "8"]
[White "Brunke, Christian"]
[Black "Rosner, Jonas"]
[Result "1-0"]
[ECO "A17"]
[WhiteElo "2369"]
[BlackElo "1620"]
[PlyCount "65"]
[EventDate "2021.06.05"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. c4 e6 2. Nc3 d5 3. cxd5 exd5 4. d4 c6 5. Nf3 Bd6 6. g3 Bf5 7. Bg2 Nf6 8. 0-0 0-0 9. Bg5 Nbd7 10. Re1 Re8 11. Nh4 Be6 12. f4 h6 13. Bxh6 gxh6 14. f5 Ng4 15. e4 Nxh2 16. e5 Nxe5 17. dxe5 Bc5+ 18. Kxh2 Bd7 19. Qg4+ Qg5 20. Bh3 Qxg4 21. Bxg4 Bd4 22. e6 fxe6 23. fxe6 Bc8 24. Re2 h5 25. Bf5 Kg7 26. Rf1 b5 27. g4 b4 28. gxh5 bxc3 29. Rg2+ Kh6 30. Rg6+ Kxh5 31. Kh3 Bxe6 32. Bxe6 Rxe6 33. Rf5# 1-0

[Event "GER-ch Net blitz sf"]
[Site "Playchess.com INT"]
[Date "2021.06.05"]
[Round "6"]
[White "Burkart, Patrick"]
[Black "Rosner, Jonas"]
[Result "0-1"]
[ECO "E11"]
[WhiteElo "2190"]
[BlackElo "1620"]
[PlyCount "114"]
[EventDate "2021.06.05"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2 0-0 7. 0-0 c6 8. Qc2 b6 9. Nc3 dxc4 10. e4 b5 11. Rad1 Bb7 12. Rfe1 Nbd7 13. d5 exd5 14. Bg5 h6 15. Bf4 b4 16. exd5 cxd5 17. Nb5 Bc5 18. Nd6 Bc6 19. Nf5 Qb6 20. N3d4 Rfe8 21. Rxe8+ Rxe8 22. Bxh6 gxh6 23. Nxh6+ Kf8 24. Ndf5 Ne5 25. Qd2 Bxf2+ 26. Qxf2 Qxf2+ 27. Kxf2 Nd3+ 28. Kf1 Nxb2 29. Rb1 c3 30. Nd4 Ba4 31. Nhf5 Nc4 32. Rc1 Ne4 33. Bxe4 Rxe4 34. Kf2 Bd7 35. g4 a5 36. h3 a4 37. Nf3 Nb2 38. Kf1 Nd3 39. Ra1 c2 40. Ng3 Re3 41. Kg2 c1Q 42. Rxc1 Nxc1 43. Nd4 Ra3 44. h4 Rxa2+ 45. Kf3 b3 46. h5 b2 47. h6 b1Q 48. h7 Qxh7 49. Ngf5 Bxf5 50. Nxf5 Ra3+ 51. Kf4 Nd3+ 52. Kg5 Qg6+ 53. Kh4 Qxf5 54. gxf5 f6 55. Kg4 Ne5+ 56. Kh4 Kg7 57. Kh5 Rh3# 0-1

[Event "GER-ch Net blitz sf"]
[Site "Playchess.com INT"]
[Date "2021.06.05"]
[Round "2"]
[White "Cofman, Veaceslav"]
[Black "Rosner, Jonas"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2205"]
[BlackElo "1620"]
[PlyCount "147"]
[EventDate "2021.06.05"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 d5 2. Nc3 Nf6 3. Bf4 e6 4. e3 Bb4 5. Nf3 0-0 6. Bd3 c5 7. 0-0 Nc6 8. Nb1 c4 9. Be2 a6 10. c3 Bd6 11. Bg5 h6 12. Bh4 b5 13. Nbd2 Bb7 14. Qc2 Be7 15. Bxf6 Bxf6 16. e4 dxe4 17. Nxe4 Be7 18. Rad1 Qc7 19. Rfe1 Rad8 20. Ng3 Rd5 21. Nd2 Rfd8 22. Bf3 R5d7 23. Ndf1 Bf8 24. Ne3 Ne7 25. Bxb7 Qxb7 26. Ne4 Nd5 27. Nxd5 Rxd5 28. Nd2 Rg5 29. Ne4 Rg6 30. Ng3 Bd6 31. Qe4 Qxe4 32. Nxe4 Be7 33. Nd2 Rg5 34. Nf3 Rgd5 35. Re5 Rxe5 36. Nxe5 Bd6 37. Nf3 Kf8 38. Kf1 Ke7 39. Ke2 Kd7 40. h3 Kc6 41. Nd2 Kd5 42. Kf3 f5 43. Nf1 a5 44. Ne3+ Kc6 45. d5+ Kd7 46. dxe6+ Kxe6 47. Nc2 b4 48. Nd4+ Kf6 49. Nc6 Rd7 50. Nxa5 bxc3 51. bxc3 Ke6 52. Nxc4 Be7 53. Rxd7 Kxd7 54. Ne3 g6 55. Nd5 Bd8 56. a4 Kd6 57. Ne3 Kc5 58. g3 Ba5 59. h4 Bxc3 60. h5 gxh5 61. Nxf5 Bd2 62. Ke4 Kb4 63. f4 Be1 64. Kf3 Kxa4 65. Nxh6 h4 66. g4 h3 67. g5 Kb5 68. g6 Bc3 69. Nf5 Kc6 70. g7 Bxg7 71. Nxg7 h2 72. Kg2 Kd5 73. Kxh2 Ke4 74. Kg3 1-0

[Event "GER-ch Net blitz sf"]
[Site "Playchess.com INT"]
[Date "2021.06.05"]
[Round "9"]
[White "Faerber, David"]
[Black "Rosner, Jonas"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2175"]
[BlackElo "1620"]
[PlyCount "71"]
[EventDate "2021.06.05"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd8 4. d4 Nf6 5. Nf3 Bg4 6. h3 Bxf3 7. Qxf3 c6 8. Be3 e6 9. Bd3 Bb4 10. 0-0 Nbd7 11. Ne4 Nxe4 12. Qxe4 Nf6 13. Qf3 Qd5 14. Qg3 0-0-0 15. c4 Qh5 16. Qxg7 Be7 17. d5 Rhg8 18. Qh6 Qxh6 19. Bxh6 cxd5 20. Rad1 d4 21. Rfe1 Kc7 22. a3 a5 23. Bf4+ Bd6 24. Be5 Nd7 25. Bxd4 h6 26. Be4 Nc5 27. Bc2 b6 28. Be3 h5 29. Kf1 Rd7 30. g3 Rgd8 31. b4 axb4 32. axb4 Nb7 33. Ba4 Re7 34. Bg5 Bxb4 35. Bxe7 Bxe1 36. Bxd8+ 1-0

[Event "GER-ch Net blitz sf"]
[Site "Playchess.com INT"]
[Date "2021.06.05"]
[Round "13"]
[White "Frohnhaeuser, Simon"]
[Black "Rosner, Jonas"]
[Result "1/2-1/2"]
[ECO "C30"]
[WhiteElo "1965"]
[BlackElo "1620"]
[PlyCount "157"]
[EventDate "2021.06.05"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. f4 e5 2. fxe5 d6 3. Nf3 dxe5 4. e4 Bc5 5. Bc4 Nf6 6. Qe2 0-0 7. c3 Nc6 8. d3 Bg4 9. Be3 Bxe3 10. Qxe3 Bxf3 11. Qxf3 Na5 12. Bb5 a6 13. Ba4 b5 14. Bc2 c5 15. 0-0 c4 16. Rd1 cxd3 17. Rxd3 Qb6+ 18. Kh1 Rad8 19. Nd2 Rxd3 20. Bxd3 Rd8 21. Rd1 h5 22. Nf1 Ng4 23. Rd2 Nc4 24. Re2 Rxd3 25. Qxd3 Nf2+ 26. Rxf2 Qxf2 27. h3 Nxb2 28. Qd8+ Kh7 29. Nd2 Nd1 30. Nf3 Ne3 31. Qg5 g6 32. Nxe5 Qe1+ 33. Kh2 Nf1+ 34. Kh1 Ng3+ 35. Kh2 Nxe4 36. Qf4 f6 37. Nf3 Qe2 38. Qc7+ Kh6 39. Qf4+ g5 40. Qf5 Qe3 41. Qc8 Qf4+ 42. Kg1 Qc1+ 43. Kh2 Qxc3 44. Qh8+ Kg6 45. Qg8+ Kf5 46. Qh7+ Kf4 47. Qxh5 Qc7 48. Qg4+ Ke3+ 49. Kg1 Qc1+ 50. Kh2 Qc7+ 51. Kg1 Qg3 52. Qd7 Qf2+ 53. Kh2 Qxa2 54. Qd4+ Kf4 55. Qd7 Qc4 56. Qg4+ Ke3 57. Qd7 Kf2 58. Qa7+ Kf1 59. Qg1+ Ke2 60. Qe1+ Kd3 61. Qd1+ Kc3 62. Qc1+ Kb4 63. Qb2+ Kc5 64. Qa3+ b4 65. Qa5+ Qb5 66. Qa2 b3 67. Qf2+ Kb4 68. Nd4 Qe5+ 69. Kg1 Ka3 70. Qe3 Nc5 71. Qc1+ b2 72. Qc3+ Ka2 73. Qa5+ Kb1 74. Qd2 Ne4 75. Qc2+ Ka1 76. Qa4+ Kb1 77. Qc2+ Ka2 78. Qa4+ Kb1 79. Qc2+ 1/2-1/2

[Event "GER-ch Net blitz sf"]
[Site "Playchess.com INT"]
[Date "2021.06.05"]
[Round "5"]
[White "Hausrath, Daniel"]
[Black "Rosner, Jonas"]
[Result "1-0"]
[ECO "D78"]
[WhiteElo "2817"]
[BlackElo "1620"]
[PlyCount "61"]
[EventDate "2021.06.05"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. d4 c6 5. 0-0 Nf6 6. b3 0-0 7. c4 a5 8. Nc3 Bf5 9. Bb2 Ne4 10. Nh4 Nxc3 11. Bxc3 Be6 12. cxd5 cxd5 13. Nf3 Nc6 14. Rc1 Qb6 15. e3 Rfc8 16. Ng5 Nb4 17. Qd2 Qa6 18. Bxb4 axb4 19. Qxb4 Qxa2 20. Nxe6 fxe6 21. Qxe7 Qa6 22. Ra1 Qc6 23. Bh3 Rxa1 24. Qxe6+ Kf8 25. Rxa1 Qxe6 26. Bxe6 Rd8 27. Ra7 Ke7 28. Rxb7+ Kxe6 29. Rxg7 Rc8 30. Rxh7 Kf5 31. Kg2 1-0

[Event "GER-ch Net blitz sf"]
[Site "Playchess.com INT"]
[Date "2021.06.05"]
[Round "3"]
[White "Rosner, Jonas"]
[Black "Bossy, Arnim"]
[Result "1-0"]
[ECO "A87"]
[WhiteElo "1620"]
[BlackElo "2128"]
[PlyCount "115"]
[EventDate "2021.06.05"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 f5 2. Nf3 Nf6 3. g3 g6 4. Bg2 Bg7 5. 0-0 0-0 6. b3 d6 7. Bb2 c6 8. c4 Na6 9. Nbd2 e5 10. dxe5 Ng4 11. Qc1 Nxe5 12. Rd1 Nxf3+ 13. Nxf3 Nc5 14. Bxg7 Kxg7 15. Nd4 Qe7 16. Qc3 Kg8 17. e3 Ne4 18. Qc2 Bd7 19. Ne2 Rad8 20. Rd4 Rfe8 21. Rad1 Bc8 22. Nf4 Qe5 23. Ne2 a6 24. Nc3 Nf6 25. R4d2 Be6 26. Qd3 Bf7 27. Qd4 Qe7 28. Qf4 Nh5 29. Qd4 Nf6 30. Bf3 Rd7 31. Qf4 Red8 32. h4 Nh5 33. Bxh5 gxh5 34. Ne2 Qf6 35. Qd4 Qxd4 36. Rxd4 Kg7 37. Nf4 Kf6 38. Kg2 Ke5 39. Kf3 b5 40. c5 d5 41. Nd3+ Kf6 42. Ke2 a5 43. Kd2 Re7 44. Nf4 Ra8 45. a3 Rea7 46. Re1 a4 47. b4 Re7 48. f3 Rae8 49. Kd3 Rg8 50. Ne2 Rge8 51. Nf4 Rg8 52. Rh1 Be8 53. Rg1 Reg7 54. Ne2 Re7 55. Kd2 Bf7 56. Rf4 Ke6 57. Nd4+ Ke5 58. Rxf5# 1-0

[Event "GER-ch Net blitz sf"]
[Site "Playchess.com INT"]
[Date "2021.06.05"]
[Round "7"]
[White "Rosner, Jonas"]
[Black "Buckels, Valentin"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1620"]
[BlackElo "2304"]
[PlyCount "118"]
[EventDate "2021.06.05"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 b5 5. 0-0 Nbd7 6. a4 b4 7. c4 bxc3 8. Nxc3 Bd6 9. Nb5 0-0 10. Nxd6 cxd6 11. b4 a5 12. b5 Nb6 13. Nd2 Bb7 14. Ba3 Qd7 15. Qb3 Rfc8 16. Rfc1 Rxc1+ 17. Rxc1 Rc8 18. Rxc8+ Qxc8 19. e3 Qc7 20. Bf1 Ne4 21. Nxe4 dxe4 22. Be2 Bd5 23. Qd1 Kf8 24. h4 Ke7 25. Kg2 Qc3 26. Bc1 Bb3 27. Qd2 Nxa4 28. b6 Qxd2 29. Bxd2 Nxb6 30. Bxa5 Nd5 31. Bb5 f5 32. Bc6 Nf6 33. Bb4 Bd5 34. Bb5 g6 35. Kf1 h6 36. Ke1 g5 37. hxg5 hxg5 38. Ba3 Ng4 39. Bb4 e5 40. Bc3 Ke6 41. Ba6 exd4 42. Bxd4 Ne5 43. Bc8+ Kf6 44. Bc3 Be6 45. Bb7 Bd7 46. Ba6 Ke6 47. Bb7 Nf3+ 48. Kf1 Bb5+ 49. Kg2 Ne5 50. Bc8+ Bd7 51. Bb7 Nf3 52. Ba6 d5 53. Kf1 f4 54. gxf4 gxf4 55. Ke2 Kf5 56. Bb2 Ng1+ 57. Ke1 Kg4 58. exf4 Kxf4 59. Be2 Bg4 0-1

[Event "GER-ch Net blitz sf"]
[Site "Playchess.com INT"]
[Date "2021.06.05"]
[Round "1"]
[White "Rosner, Jonas"]
[Black "Hoppe, Thilo"]
[Result "1-0"]
[ECO "E19"]
[WhiteElo "1620"]
[BlackElo "2140"]
[PlyCount "65"]
[EventDate "2021.06.05"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. g3 b6 4. Bg2 Bb7 5. 0-0 Be7 6. c4 0-0 7. Nc3 Ne4 8. Qc2 f5 9. Ne5 d5 10. cxd5 exd5 11. h4 c6 12. Bf4 Nd7 13. Nxc6 Bxc6 14. Nxe4 Rc8 15. Nc3 Nf6 16. Qxf5 Kh8 17. Qd3 Bd6 18. Bxd6 Qxd6 19. Rac1 Bd7 20. e3 Bg4 21. Ne2 Qb4 22. b3 Qa3 23. Rxc8 Rxc8 24. Nf4 Qxa2 25. Nxd5 Nxd5 26. Bxd5 Be2 27. Qf5 Rd8 28. Be4 Kg8 29. Qxh7+ Kf7 30. Rc1 Rd7 31. Qf5+ Ke7 32. Rc8 Qa1+ 33. Kh2 1-0

[Event "GER-ch Net blitz sf"]
[Site "Playchess.com INT"]
[Date "2021.06.05"]
[Round "4"]
[White "Rosner, Jonas"]
[Black "Kratsev, Alexander"]
[Result "1-0"]
[ECO "A33"]
[WhiteElo "1620"]
[BlackElo "1620"]
[PlyCount "125"]
[EventDate "2021.06.05"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. g3 c5 4. Bg2 Nc6 5. 0-0 Be7 6. c4 cxd4 7. Nxd4 0-0 8. Nc3 a6 9. b3 Qc7 10. Bb2 b6 11. Rc1 Bb7 12. Nd5 Qd8 13. Nxe7+ Qxe7 14. Qd2 Rac8 15. Rfd1 Rfd8 16. h3 h6 17. Qe3 Rb8 18. Bxc6 Bxc6 19. Nf5 Qc5 20. Nxh6+ Kf8 21. Qxc5+ bxc5 22. Ng4 Nxg4 23. hxg4 d6 24. f3 f6 25. Rd2 Ke7 26. Rcd1 a5 27. Rd3 a4 28. Ba3 axb3 29. axb3 Ra8 30. b4 Ba4 31. R1d2 Rac8 32. b5 d5 33. cxd5 Bxb5 34. Rb3 Bd7 35. Rb7 exd5 36. Rxd5 Ke6 37. Rxc5 Rxc5 38. Bxc5 Rc8 39. Bd4 Rc2 40. Kf1 g6 41. Rb6+ Bc6 42. Kf2 f5 43. gxf5+ gxf5 44. Ke3 Kd5 45. Bf6 Ke6 46. Bb2 Kd5 47. Rb4 Rc4 48. Rxc4 Kxc4 49. Kf4 Bd7 50. Ke5 Kc5 51. Ba3+ Kc6 52. e4 fxe4 53. Kxe4 Bh3 54. Ke5 Kd7 55. Kf6 Bg2 56. f4 Bh3 57. f5 Ke8 58. Kg6 Bg4 59. f6 Be6 60. g4 Bd5 61. Kg7 Bf7 62. g5 Bh5 63. g6 1-0

[Event "GER-chT Online Liga 1 GpD"]
[Site "Playchess.com INT"]
[Date "2021.03.18"]
[Round "6.1"]
[White "Engel, Luis"]
[Black "Rosner, Jonas"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "2553"]
[BlackElo "2434"]
[PlyCount "90"]
[EventDate "2021.01.18"]
[EventType "team-tourn (rapid)"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Hamburger SK"]
[BlackTeam "Ettlingen"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 Ne7 6. 0-0 Ng6 7. c4 dxc4 8. Bxc4 Nd7 9. Nc3 h6 10. Be3 Ne7 11. Qe2 Nd5 12. Nxd5 cxd5 13. Bd3 Bxd3 14. Qxd3 Be7 15. Rfc1 Nb8 16. Qb5+ Qd7 17. Rc8+ Bd8 18. Qxd7+ Kxd7 19. Rac1 Re8 20. Ne1 Bb6 21. Rxe8 Kxe8 22. Rc8+ Bd8 23. Nd3 Kd7 24. Rc3 Bb6 25. g4 Nc6 26. Nc5+ Bxc5 27. Rxc5 h5 28. f3 Rh8 29. Kg2 f6 30. exf6 gxf6 31. Kg3 Kd6 32. Rc1 e5 33. dxe5+ fxe5 34. Bc5+ Ke6 35. g5 d4 36. b4 Rc8 37. a3 Ne7 38. Re1 Nf5+ 39. Kf2 b6 40. f4 Ne3 41. Rxe3 dxe3+ 42. Bxe3 exf4 43. Bxf4 Rc3 44. g6 Rxa3 45. g7 Kf7 0-1

[Event "GER-chT Online Liga 1 GpD"]
[Site "Playchess.com INT"]
[Date "2021.03.01"]
[Round "5.1"]
[White "Keller, Peter1111"]
[Black "Rosner, Jonas"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "2359"]
[BlackElo "2434"]
[PlyCount "134"]
[EventDate "2021.01.18"]
[EventType "team-tourn (rapid)"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Bickenbach"]
[BlackTeam "Ettlingen"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 Ne7 6. 0-0 Ng6 7. Nbd2 Nf4 8. Nb3 Nxe2+ 9. Qxe2 Be7 10. Ne1 h6 11. Nd3 0-0 12. Be3 Nd7 13. g4 Bxd3 14. Qxd3 c5 15. Qe2 cxd4 16. Bxd4 Qc7 17. c3 Rac8 18. Rad1 Nc5 19. Nxc5 Bxc5 20. f4 Bxd4+ 21. Rxd4 Qb6 22. Rf2 f5 23. g5 hxg5 24. fxg5 g6 25. h4 Kg7 26. h5 gxh5 27. Rh2 Rh8 28. Kh1 Qa6 29. Qd1 Rc4 30. Rxh5 Qa4 31. b3 Qe8 32. Rh6 Rxd4 33. Qxd4 Rxh6+ 34. gxh6+ Kxh6 35. Qxa7 Qh5+ 36. Kg1 Qd1+ 37. Kf2 Qd2+ 38. Kf1 Qxc3 39. Qxb7 Qxe5 40. a4 f4 41. Qf7 Kg5 42. a5 Qa1+ 43. Kf2 Qxa5 44. Qxe6 Qa2+ 45. Kf1 Qb1+ 46. Kf2 Qc2+ 47. Kf1 Qxb3 48. Qe5+ Kg4 49. Qe6+ Kg3 50. Qe1+ Kf3 51. Qe2+ Kg3 52. Qf2+ Kg4 53. Qg2+ Qg3 54. Qxd5 Qf3+ 55. Qxf3+ Kxf3 56. Ke1 Kg2 57. Ke2 f3+ 58. Ke3 f2 59. Kd3 f1Q+ 60. Kc3 Qf4 61. Kd3 Kf3 62. Kc2 Qe3 63. Kb1 Qd2 64. Ka1 Ke3 65. Kb1 Kd3 66. Ka1 Kc3 67. Kb1 Qb2# 0-1

[Event "GER-chT Online Liga 1 GpD"]
[Site "Playchess.com INT"]
[Date "2021.02.25"]
[Round "4.1"]
[White "Rosner, Jonas"]
[Black "Agopov, Mikael"]
[Result "1-0"]
[ECO "D77"]
[WhiteElo "2434"]
[BlackElo "2427"]
[PlyCount "83"]
[EventDate "2021.01.18"]
[EventType "team-tourn (rapid)"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Ettlingen"]
[BlackTeam "Berlin SF"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 d5 5. 0-0 0-0 6. c4 dxc4 7. Na3 c3 8. bxc3 c5 9. Re1 Nd5 10. Bb2 Qa5 11. Qb3 Nb6 12. e4 Na4 13. Nc4 Qa6 14. Ba3 Nc6 15. d5 b5 16. dxc6 bxc4 17. Qc2 Bxc3 18. Bf1 Qa5 19. Rac1 Bxe1 20. Rxe1 c3 21. Bc1 Rb8 22. Bh6 Rb2 23. Qc1 Re8 24. Qf4 Nb6 25. Rd1 c4 26. Qc7 f6 27. e5 g5 28. exf6 Qc5 29. f7+ Kxf7 30. Nxg5+ Kg6 31. Ne4 Qf5 32. Be3 Qxe4 33. Rd4 Qf5 34. g4 Qf3 35. Qe5 Qf6 36. Qh5+ Kg7 37. Rf4 Qg6 38. Qe5+ Kg8 39. Bd4 Bf5 40. Rxf5 Qxg4+ 41. Kh1 Rb5 42. Qh8# 1-0

[Event "GER-chT Online Liga 1 GpD"]
[Site "Playchess.com INT"]
[Date "2021.02.08"]
[Round "3.1"]
[White "Lagunow, Raphael"]
[Black "Rosner, Jonas"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2378"]
[BlackElo "2434"]
[PlyCount "105"]
[EventDate "2021.01.18"]
[EventType "team-tourn (rapid)"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Zehlendorf"]
[BlackTeam "Ettlingen"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nd2 e6 5. Nb3 Nd7 6. Nf3 Qc7 7. Be3 f6 8. exf6 Ngxf6 9. Be2 Bd6 10. h3 0-0 11. 0-0 Rae8 12. Rc1 Ne4 13. Nbd2 Rf6 14. c4 Ref8 15. Nh4 Bh2+ 16. Kh1 Bf4 17. Nxf5 exf5 18. cxd5 Bxe3 19. Nxe4 Bxc1 20. Nxf6+ Nxf6 21. Qxc1 Nxd5 22. Bc4 Qd6 23. Re1 Kh8 24. Bb3 Nf6 25. Qe3 Ne4 26. f3 Ng3+ 27. Kg1 f4 28. Qe5 Qf6 29. Kf2 Nf5 30. Qxf6 gxf6 31. Re4 Rd8 32. d5 c5 33. Rxf4 Nd4 34. Rxf6 Kg7 35. Rf4 Nxb3 36. axb3 Rxd5 37. Ke2 b6 38. g4 Kg6 39. h4 h6 40. Re4 Rd6 41. Ke3 a5 42. Re5 Kf6 43. f4 Rd4 44. g5+ hxg5 45. hxg5+ Kg6 46. Re6+ Kf5 47. Rf6+ Kg4 48. g6 Rd8 49. f5 Kg5 50. Rf7 b5 51. g7 Re8+ 52. Kd2 Rd8+ 53. Kc2 1-0

[Event "GER-chT Online Liga 1 GpD"]
[Site "Playchess.com INT"]
[Date "2021.01.18"]
[Round "1.1"]
[White "Cordts, Ingo"]
[Black "Rosner, Jonas"]
[Result "0-1"]
[ECO "D10"]
[WhiteElo "2214"]
[BlackElo "2434"]
[PlyCount "92"]
[EventDate "2021.01.18"]
[EventType "team-tourn (rapid)"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 200 Extra"]
[Source "ChessBase"]
[SourceDate "2021.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.03.31"]
[SourceQuality "1"]
[WhiteTeam "Koeln Lasker"]
[BlackTeam "Ettlingen"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nc3 Nf6 5. Bf4 Nc6 6. e3 a6 7. Be2 Bf5 8. Nf3 Nh5 9. Bg5 h6 10. Bf4 g5 11. Bg3 Nxg3 12. hxg3 e6 13. Rc1 Rc8 14. a3 Bd6 15. b4 Kf8 16. Na4 Kg7 17. Nc5 Qe7 18. Qd2 h5 19. Bd3 Bxd3 20. Qxd3 b6 21. Nb3 a5 22. b5 Na7 23. Rxc8 Nxc8 24. a4 g4 25. Nfd2 Bb4 26. Ke2 Nd6 27. Rc1 Nf5 28. e4 Bxd2 29. Nxd2 dxe4 30. Qxe4 Rd8 31. Rc4 Qf6 32. Nb3 Nd6 33. Qd3 Nxc4 34. Qxc4 e5 35. d5 Qd6 36. Nd2 Qxd5 37. Qxd5 Rxd5 38. Nc4 Rd4 39. Nxb6 Kf6 40. Ke3 Ke6 41. f4 f6 42. Nc8 Rxa4 43. f5+ Kxf5 44. b6 Rb4 45. b7 Ke6 46. Na7 Kd7 0-1

[Event "GER-ch rapid 46th"]
[Site "Plochingen"]
[Date "2020.09.20"]
[Round "9"]
[White "Dobrikov, Marco"]
[Black "Rosner, Jonas"]
[Result "1/2-1/2"]
[ECO "B11"]
[WhiteElo "2332"]
[BlackElo "2433"]
[PlyCount "141"]
[EventDate "2020.09.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 198 Extra"]
[Source "ChessBase"]
[SourceDate "2020.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.11.30"]
[SourceQuality "1"]

1. e4 c6 2. Nc3 d5 3. Nf3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. Bc4 Bd6 7. Qe2+ Qe7 8. Qxe7+ Kxe7 9. 0-0 Rd8 10. Re1+ Kf8 11. d4 Na6 12. Bxa6 bxa6 13. Bd2 Be6 14. b3 g5 15. c4 Kg7 16. Bc3 Kg6 17. Nd2 Rd7 18. Ne4 Be7 19. Rad1 h5 20. Ba5 h4 21. Nc3 Bd8 22. Bxd8 Raxd8 23. Ne2 a5 24. f3 a4 25. Rd3 a5 26. Red1 axb3 27. axb3 a4 28. d5 cxd5 29. cxd5 axb3 30. Rxb3 Rxd5 31. Rxd5 Rxd5 32. Kf2 h3 33. gxh3 Bxh3 34. Rb2 Be6 35. h4 Rd3 36. hxg5 fxg5 37. Rb6 Kg7 38. Rb4 Bd5 39. Nd4 Kg6 40. Rb6+ f6 41. Rb4 Kh5 42. Ra4 Kg6 43. Rb4 Ra3 44. Rb5 Ba8 45. Rb8 Ra2+ 46. Kg3 Ra1 47. Kf2 Bd5 48. Rd8 Bc4 49. Rc8 Bd3 50. Rc3 Ba6 51. Rc6 Bb7 52. Rb6 Bc8 53. Rc6 Bh3 54. Kg3 Bd7 55. Rd6 Ra7 56. Rb6 Kf7 57. Rd6 Ke7 58. Rb6 Ra4 59. Ne2 Be6 60. Nc3 Ra3 61. Rb7+ Kf8 62. Rc7 Rb3 63. Kf2 f5 64. Ke3 Bf7 65. Kd4 g4 66. fxg4 fxg4 67. Ke3 Kg7 68. Kf4 Rb4+ 69. Kg3 Rc4 70. Rxc4 Bxc4 71. Kxg4 1/2-1/2

[Event "GER-ch rapid 46th"]
[Site "Plochingen"]
[Date "2020.09.20"]
[Round "6"]
[White "Rosner, Jonas"]
[Black "Frischmann, Rick"]
[Result "1/2-1/2"]
[ECO "D77"]
[WhiteElo "2433"]
[BlackElo "2347"]
[PlyCount "101"]
[EventDate "2020.09.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 198 Extra"]
[Source "ChessBase"]
[SourceDate "2020.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.11.30"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nc6 3. g3 g6 4. Bg2 Bg7 5. 0-0 Nf6 6. c4 0-0 7. Nc3 dxc4 8. d5 Nb4 9. Ne5 c6 10. dxc6 Nxc6 11. Nxc6 bxc6 12. Qa4 Be6 13. Qxc6 Rb8 14. Qa6 Qb6 15. Qxb6 Rxb6 16. Rb1 Ng4 17. Bf4 Bf5 18. e4 Be6 19. Rfd1 Ne5 20. Be3 Rb7 21. Bd4 Rfb8 22. Nd5 Nd3 23. Bxg7 Kxg7 24. b3 cxb3 25. axb3 Bxd5 26. exd5 Rxb3 27. Ra1 Nb2 28. Re1 Nd3 29. Rxe7 Rb1+ 30. Rxb1 Rxb1+ 31. Bf1 a5 32. Ra7 Ra1 33. Kg2 Ne1+ 34. Kh3 a4 35. d6 Rd1 36. d7 Nf3 37. Bb5 h5 38. Kg2 Ne5 39. f4 Rd2+ 40. Kf1 Nf3 41. Bc6 Nxh2+ 42. Ke1 Rd6 43. Ra8 Nf3+ 44. Kf2 Nd4 45. Bxa4 Ne6 46. Re8 Kf6 47. Ke3 Kg7 48. Bb5 Rd5 49. Ba4 Rd6 50. Bb5 Rd5 51. Ba4 1/2-1/2

[Event "GER-ch rapid 46th"]
[Site "Plochingen"]
[Date "2020.09.20"]
[Round "8"]
[White "Rosner, Jonas"]
[Black "Kopylov, Michael"]
[Result "1-0"]
[ECO "A43"]
[WhiteElo "2433"]
[BlackElo "2408"]
[PlyCount "99"]
[EventDate "2020.09.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 198 Extra"]
[Source "ChessBase"]
[SourceDate "2020.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.11.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 c5 3. d5 b5 4. c3 Bb7 5. e4 Nxe4 6. Bxb5 g6 7. 0-0 Bg7 8. Re1 Nf6 9. c4 0-0 10. Nc3 e6 11. Bf4 a6 12. Ba4 Qb6 13. Qd2 exd5 14. cxd5 d6 15. Re7 Bc8 16. Rae1 Bd7 17. Bb3 Ra7 18. Bh6 a5 19. Bxg7 Kxg7 20. Ng5 a4 21. Bxa4 Kg8 22. Bb3 Bf5 23. h3 Rxe7 24. Rxe7 Qb4 25. Nf3 Nbd7 26. Ba4 Nb6 27. a3 Qc4 28. Bc6 Ne4 29. Qh6 Nf6 30. Qd2 Ne4 31. Nxe4 Bxe4 32. b3 Qd3 33. Qxd3 Bxd3 34. Rb7 Nc8 35. a4 Rd8 36. Ng5 Rf8 37. a5 h6 38. Nf3 Rd8 39. Nd2 Ba6 40. Rb8 Kf8 41. Nc4 Ke7 42. f4 g5 43. g3 gxf4 44. gxf4 h5 45. Kf2 h4 46. Bb7 Bxc4 47. bxc4 Na7 48. Rxd8 Kxd8 49. f5 Ke7 50. Kf3 1-0

[Event "GER-ch rapid 46th"]
[Site "Plochingen"]
[Date "2020.09.20"]
[Round "7"]
[White "Stern, Rene"]
[Black "Rosner, Jonas"]
[Result "1-0"]
[ECO "D11"]
[WhiteElo "2517"]
[BlackElo "2433"]
[PlyCount "83"]
[EventDate "2020.09.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 198 Extra"]
[Source "ChessBase"]
[SourceDate "2020.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.11.30"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. c4 c6 4. Nbd2 Bf5 5. Nh4 Be4 6. f3 Bg6 7. Qb3 Qc7 8. g3 e6 9. Bg2 c5 10. cxd5 exd5 11. Qe3+ Be7 12. dxc5 0-0 13. Nxg6 hxg6 14. Nb3 Re8 15. Qc3 Na6 16. Be3 Rac8 17. Bh3 Nd7 18. 0-0 Bf6 19. Bd4 Bxd4+ 20. Qxd4 Rcd8 21. Bxd7 Qxd7 22. e3 Qb5 23. Rf2 Rc8 24. Rc2 Nb4 25. Rc3 a5 26. Qd2 a4 27. Nd4 Qa5 28. a3 Na6 29. b4 axb3 30. Nxb3 Qb5 31. Rac1 Rcd8 32. Kf2 Qa4 33. Nd4 Qd7 34. c6 bxc6 35. Rxc6 Ra8 36. Kg2 Qe7 37. R1c3 Kh7 38. Ne2 Nb8 39. Rc7 Qf6 40. Qxd5 Qa6 41. Nf4 Ra7 42. Qxf7 1-0

[Event "GER-ch rapid 46th"]
[Site "Plochingen"]
[Date "2020.09.19"]
[Round "4"]
[White "Kvetny, Mark"]
[Black "Rosner, Jonas"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2427"]
[BlackElo "2433"]
[PlyCount "93"]
[EventDate "2020.09.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 198 Extra"]
[Source "ChessBase"]
[SourceDate "2020.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.11.30"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 c5 4. e3 Nc6 5. Nbd2 Qb6 6. dxc5 Qxb2 7. Rb1 Qc3 8. Bb5 g6 9. 0-0 Bg7 10. Ne5 Qxc5 11. c4 0-0 12. Nb3 Qa3 13. Nxc6 bxc6 14. Bxc6 Bf5 15. Qc1 Qxc1 16. Rbxc1 Rad8 17. c5 Ne4 18. Nd4 e5 19. Nxf5 gxf5 20. Bg3 Rc8 21. Bd7 Rxc5 22. Bxf5 Rxc1 23. Rxc1 Nxg3 24. hxg3 Rb8 25. Rc7 a5 26. Rc5 d4 27. exd4 exd4 28. Rxa5 Rb2 29. Ra8+ Bf8 30. a4 Kg7 31. a5 Ra2 32. Kf1 Bc5 33. a6 d3 34. Bxd3 Rxf2+ 35. Ke1 Rxg2 36. Rc8 Bd4 37. Rc4 Bf2+ 38. Kf1 Rxg3 39. Kxf2 Rxd3 40. Ra4 Rd8 41. a7 Ra8 42. Kf3 Kf6 43. Ke4 Ke6 44. Ra6+ Kd7 45. Kd5 Kc7 46. Rf6 Rxa7 47. Rxf7+ 1/2-1/2

[Event "GER-ch rapid 46th"]
[Site "Plochingen"]
[Date "2020.09.19"]
[Round "5"]
[White "Neukirchner, Pascal"]
[Black "Rosner, Jonas"]
[Result "1/2-1/2"]
[ECO "D30"]
[WhiteElo "2259"]
[BlackElo "2433"]
[PlyCount "95"]
[EventDate "2020.09.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 198 Extra"]
[Source "ChessBase"]
[SourceDate "2020.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.11.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 e6 5. b3 Ne4 6. Bd3 Bb4+ 7. Nbd2 f5 8. a3 Bd6 9. Bb2 Nd7 10. 0-0 Qf6 11. b4 g5 12. Ne5 0-0 13. Nxd7 Bxd7 14. f3 Qh6 15. g3 g4 16. f4 Qg7 17. c5 Be7 18. a4 h5 19. Nxe4 fxe4 20. Be2 Kf7 21. h4 gxh3 22. Bxh5+ Kg8 23. Qg4 Rf6 24. Kf2 Rh6 25. Rh1 Be8 26. Qxg7+ Kxg7 27. Bg4 Bh5 28. Bxh5 Rxh5 29. g4 Rh7 30. g5 Rah8 31. Rh2 Kg6 32. Rah1 Kf5 33. Kg3 Rh4 34. Rxh3 Rxh3+ 35. Rxh3 Rxh3+ 36. Kxh3 a6 37. Kh4 Kg6 38. Kg4 Bd8 39. Bc3 Bc7 40. Be1 Bd8 41. Kh4 Bc7 42. Bg3 Bd8 43. Bh2 Be7 44. Bg1 Bd8 45. Bf2 Be7 46. Be1 Bd8 47. Kg4 Be7 48. Kh4 1/2-1/2

[Event "GER-ch rapid 46th"]
[Site "Plochingen"]
[Date "2020.09.19"]
[Round "2"]
[White "Rosner, Jonas"]
[Black "Hirneise, Jens"]
[Result "1-0"]
[ECO "A49"]
[WhiteElo "2433"]
[BlackElo "2289"]
[PlyCount "76"]
[EventDate "2020.09.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 198 Extra"]
[Source "ChessBase"]
[SourceDate "2020.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.11.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d6 6. b3 e5 7. dxe5 dxe5 8. Ba3 Qxd1 9. Rxd1 Re8 10. c4 e4 11. Nd4 c6 12. Nc3 h5 13. h3 Nbd7 14. Rac1 Nf8 15. Kh2 Ne6 16. e3 Ng5 17. Rd2 Bd7 18. Rcd1 Ne6 19. Nxe6 Bxe6 20. Nxe4 Nxe4 21. Bxe4 Bxc4 22. Bxg6 Bxb3 23. axb3 fxg6 24. Rd7 Bf8 25. Bxf8 Rxf8 26. Kg2 Rf7 27. Rxf7 Kxf7 28. Rd7+ Ke6 29. Rxb7 a5 30. Rg7 Kf6 31. Rc7 Ra6 32. f4 Rb6 33. Kf3 Rxb3 34. Rxc6+ Kf7 35. Ra6 Ra3 36. g4 hxg4+ 37. hxg4 a4 38. g5 Ra1 1-0

[Event "GER-ch rapid 46th"]
[Site "Plochingen"]
[Date "2020.09.19"]
[Round "3"]
[White "Rosner, Jonas"]
[Black "Richter, Christian"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2433"]
[BlackElo "2348"]
[PlyCount "85"]
[EventDate "2020.09.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 198 Extra"]
[Source "ChessBase"]
[SourceDate "2020.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.11.30"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 a6 3. g3 Nf6 4. Bg2 e6 5. 0-0 Nbd7 6. c4 dxc4 7. Nbd2 Nb6 8. Qc2 Be7 9. Nxc4 Nxc4 10. Qxc4 0-0 11. Qc2 Nd5 12. Rd1 a5 13. a3 Ra6 14. e4 Nf6 15. Bf4 c6 16. Ne5 Nd7 17. Nd3 Qb6 18. Rac1 Bf6 19. Bd6 Re8 20. Nc5 Ra8 21. h4 Nxc5 22. Bxc5 Qc7 23. Qb3 a4 24. Qb4 Qa5 25. Qc4 Bd7 26. Rc2 h6 27. Kh2 Rec8 28. h5 b6 29. e5 bxc5 30. exf6 cxd4 31. Rxd4 Qxh5+ 32. Rh4 Qg5 33. fxg7 e5 34. Bf3 Be6 35. Qc5 Qxg7 36. Re2 f6 37. Ree4 Kh7 38. Qd6 Bd5 39. Reg4 Qf7 40. Bd1 Bb3 41. Be2 Bc2 42. Qd2 Bg6 43. Qxh6+ 1-0

[Event "Baden-ch 92nd"]
[Site "Pforzheim"]
[Date "2020.09.13"]
[Round "7"]
[White "Rosner, Jonas"]
[Black "Schlenker, Joerg"]
[Result "1/2-1/2"]
[ECO "A49"]
[WhiteElo "2433"]
[BlackElo "2174"]
[PlyCount "9"]
[EventDate "2020.09.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 g6 2. Nf3 Bg7 3. g3 Nf6 4. Bg2 0-0 5. 0-0 1/2-1/2

[Event "Baden-ch 92nd"]
[Site "Pforzheim"]
[Date "2020.09.12"]
[Round "6"]
[White "Hartmann, Martin"]
[Black "Rosner, Jonas"]
[Result "1/2-1/2"]
[ECO "B11"]
[WhiteElo "2120"]
[BlackElo "2433"]
[PlyCount "65"]
[EventDate "2020.09.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c6 2. Nc3 d5 3. Nf3 Bg4 4. h3 Bxf3 5. Qxf3 e6 6. d4 dxe4 7. Qe3 Nf6 8. Be2 Nbd7 9. 0-0 Be7 10. Nxe4 Nxe4 11. Qxe4 Nf6 12. Qd3 0-0 13. c4 Qc7 14. Rd1 Rfd8 15. Be3 a5 16. Bf3 a4 17. a3 Qa5 18. Bd2 Qa6 19. Bc3 Rd7 20. Be2 Rad8 21. Qe3 Qa7 22. Rd2 Ne8 23. Rad1 Bf6 24. Bd3 g6 25. Qf4 Bxd4 26. Bxg6 e5 27. Bxf7+ Kf8 28. Rxd4 Rxd4 29. Qh6+ Kxf7 30. Qh5+ Kf8 31. Qf5+ Kg8 32. Qe6+ Kf8 33. Qf5+ 1/2-1/2

