[Event "GER-ch U25 op-C"]
[Site "Willingen"]
[Date "2024.05.25"]
[Round "9"]
[White "Mahr, Mikka"]
[Black "Piotrowski, Jaro"]
[Result "0-1"]
[ECO "C55"]
[WhiteElo "1016"]
[BlackElo "1223"]
[PlyCount "94"]
[EventDate "2024.05.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. Nc3 Nf6 5. h3 d6 6. Ng5 0-0 7. d3 h6 8. Nf3 Re8 9. Be3 Bb6 10. Bxb6 axb6 11. Qd2 Be6 12. Bb5 Re7 13. h4 Nd4 14. Nxd4 exd4 15. Ne2 Rxa2 16. Rxa2 Bxa2 17. b3 c6 18. Nxd4 cxb5 19. Nxb5 d5 20. Nc3 dxe4 21. 0-0 exd3 22. Nxa2 Ne4 23. Qc1 d2 24. Qd1 Rd7 25. f3 Ng3 26. Rf2 Qxh4 27. Rxd2 Qh1+ 28. Kf2 Qxd1 29. Rxd1 Rxd1 30. Kxg3 Kh7 31. c4 g5 32. b4 Rd2 33. Nc3 Rc2 34. Nd5 Rxc4 35. Nxb6 Rxb4 36. Nd5 Rd4 37. Ne7 b5 38. Nf5 Rd8 39. Ne3 b4 40. Nc4 b3 41. Kh3 Rc8 42. Nd2 b2 43. Nb1 Rc1 44. Na3 Ra1 45. Nc2 b1Q 46. Nxa1 Qh1+ 47. Kg3 Qh4# 0-1

[Event "GER-ch U25 op-C"]
[Site "Willingen"]
[Date "2024.05.24"]
[Round "8"]
[White "Piotrowski, Jaro"]
[Black "Staudt, Merle"]
[Result "0-1"]
[ECO "D60"]
[WhiteElo "1223"]
[BlackElo "1573"]
[PlyCount "58"]
[EventDate "2024.05.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. Nf3 0-0 6. e3 Nbd7 7. Bd3 dxc4 8. Bxc4 b6 9. 0-0 c5 10. Bb3 Bb7 11. Bc2 Qc7 12. Nb5 Qc6 13. Qd3 a6 14. Na3 h6 15. Bxf6 Nxf6 16. Nc4 Bd6 17. Nce5 Bxe5 18. dxe5 Rad8 19. Qc3 Ne4 20. Qe1 Ng5 21. Qe2 Rd2 22. Bh7+ Kh8 23. Qc4 Nxf3+ 24. Kh1 Kxh7 25. Qg4 Nxe5 26. Qg3 Rfd8 27. Rg1 Nd3 28. f3 Nf2+ 29. Qxf2 Rxf2 0-1

[Event "GER-ch U25 op-C"]
[Site "Willingen"]
[Date "2024.05.23"]
[Round "7"]
[White "Nguyen, Oliver Dung"]
[Black "Piotrowski, Jaro"]
[Result "1-0"]
[ECO "C65"]
[WhiteElo "1017"]
[BlackElo "1223"]
[PlyCount "71"]
[EventDate "2024.05.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bb4+ 5. c3 Ba5 6. Nbd2 a6 7. Bxc6 dxc6 8. Nxe5 Be6 9. 0-0 0-0 10. Ndf3 Bb6 11. h3 Nd7 12. Nxd7 Qxd7 13. Ng5 Rad8 14. Nxe6 Qxe6 15. Re1 Qf6 16. Be3 Bxe3 17. Rxe3 c5 18. Qc2 Rfe8 19. Rf3 Qc6 20. a3 c4 21. Re1 cxd3 22. Rxd3 Rxd3 23. Qxd3 f5 24. e5 Re6 25. Qxf5 Rg6 26. Qe4 Qe6 27. Qxb7 Qxh3 28. Qb8+ Kf7 29. Qxc7+ Ke8 30. Qb8+ Ke7 31. Qb7+ Kf8 32. Rd1 Qh4 33. Qc8+ Kf7 34. Rd7+ Ke6 35. Rd4+ Kxe5 36. Rxh4 1-0

[Event "GER-ch U25 op-C"]
[Site "Willingen"]
[Date "2024.05.22"]
[Round "6"]
[White "Piotrowski, Jaro"]
[Black "Kraus, Jesper"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "1223"]
[BlackElo "999"]
[PlyCount "123"]
[EventDate "2024.05.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nc3 Nf6 4. Bf4 e6 5. e3 b6 6. Bxc4 Bb7 7. Nf3 Nbd7 8. 0-0 c5 9. Nb5 Rc8 10. Nxa7 Ra8 11. Nb5 Rc8 12. Bd6 cxd4 13. Qxd4 Be7 14. Bxe7 Kxe7 15. Ng5 h6 16. Qd6+ Ke8 17. Nxe6 Qe7 18. Nec7+ Kd8 19. Qxb6 Nxb6 20. Rad1+ Bd5 21. Nxd5 Nbxd5 22. Bxd5 Nxd5 23. Rxd5+ Ke8 24. Nd6+ Kd7 25. Nf5+ Ke6 26. Nxe7 Kxe7 27. a4 Rhd8 28. Rxd8 Rxd8 29. b4 Rc8 30. a5 Kd7 31. b5 Ra8 32. a6 Kc7 33. Rb1 Kb6 34. h4 Ka7 35. g4 g5 36. hxg5 hxg5 37. Kg2 f6 38. f4 gxf4 39. exf4 Kb6 40. Kf3 Rg8 41. Ke4 Rxg4 42. Kf5 Rg8 43. Kxf6 Rf8+ 44. Ke5 Re8+ 45. Kd4 Rd8+ 46. Ke3 Re8+ 47. Kf3 Rd8 48. Ra1 Ka7 49. b6+ Ka8 50. a7 Rd7 51. f5 Rf7 52. Kg4 Rg7+ 53. Kh5 Rf7 54. Kg6 Rd7 55. f6 Rb7 56. Ra6 Rd7 57. f7 Rd6+ 58. Kg7 Rd7 59. Kg8 Rd8+ 60. f8Q Rxf8+ 61. Kxf8 Kb7 62. a8Q# 1-0

[Event "GER-ch U25 op-C"]
[Site "Willingen"]
[Date "2024.05.22"]
[Round "5"]
[White "Wilke, Finja"]
[Black "Piotrowski, Jaro"]
[Result "1-0"]
[ECO "C48"]
[WhiteElo "1055"]
[BlackElo "1223"]
[PlyCount "37"]
[EventDate "2024.05.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 a6 5. Bxc6 dxc6 6. 0-0 Bd6 7. d4 exd4 8. Qxd4 0-0 9. Bg5 Bg4 10. Nd2 Bxh2+ 11. Kxh2 Qxd4 12. f3 Qe5+ 13. f4 Qd6 14. Nc4 Qc5 15. Ne5 h6 16. Bxf6 gxf6 17. Nxg4 Qh5+ 18. Kg3 f5 19. Nf6+ 1-0

[Event "GER-ch U25 op-C"]
[Site "Willingen"]
[Date "2024.05.21"]
[Round "4"]
[White "Piotrowski, Jaro"]
[Black "Kasten, Luna Seraphine"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "1223"]
[BlackElo "917"]
[PlyCount "37"]
[EventDate "2024.05.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 Nc6 2. d4 e6 3. Nc3 Nf6 4. Bg5 h6 5. Bh4 Bb4 6. e5 g5 7. exf6 gxh4 8. Nf3 Qxf6 9. Bc4 d5 10. Bb3 Bd7 11. Qd2 Rg8 12. 0-0-0 Rxg2 13. Qe3 Rg4 14. Nxd5 Qd8 15. Rhg1 h5 16. h3 Rxg1 17. Rxg1 Ne7 18. Nf6+ Kf8 19. Qh6# 1-0

[Event "GER-ch U25 op-C"]
[Site "Willingen"]
[Date "2024.05.20"]
[Round "3"]
[White "Berger, Jennifer"]
[Black "Piotrowski, Jaro"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "1462"]
[BlackElo "1223"]
[PlyCount "71"]
[EventDate "2024.05.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nb3 Bb6 6. Nc3 d6 7. Bd3 Nf6 8. 0-0 Bg4 9. Ne2 0-0 10. h3 Bh5 11. Bg5 h6 12. Bh4 Re8 13. Nd2 Nd4 14. c3 Ne6 15. Qc2 Bxe2 16. Bxe2 Nf4 17. Bd3 Nxd3 18. Qxd3 d5 19. Bxf6 Qxf6 20. exd5 Rad8 21. Nc4 Bc5 22. b4 Bf8 23. Rfe1 b5 24. Na5 Bd6 25. Nc6 Ra8 26. Rxe8+ Rxe8 27. Nxa7 Bxb4 28. Qxb5 Ra8 29. Qxb4 Re8 30. Nc6 Re2 31. Qd4 Qg6 32. Kf1 Re4 33. Qa7 Rc4 34. Ne7+ Kh7 35. Nxg6 Kxg6 36. Qa6+ 1-0

[Event "GER-ch U25 op-C"]
[Site "Willingen"]
[Date "2024.05.19"]
[Round "1"]
[White "Muhl, Justinus"]
[Black "Piotrowski, Jaro"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "928"]
[BlackElo "1223"]
[PlyCount "62"]
[EventDate "2024.05.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. a4 a6 7. Nbd2 Bg4 8. Nf1 Qd7 9. h3 Bh5 10. Ng3 Bg6 11. h4 h6 12. h5 Bh7 13. Qb3 Ng4 14. Rf1 Na5 15. Qa2 Nxc4 16. Qxc4 0-0 17. d4 b5 18. axb5 axb5 19. Qd3 Rxa1 20. dxc5 Rxc1+ 21. Kd2 Rxf1 22. Nxf1 Nxf2 23. Qd5 Nxe4+ 24. Kc1 c6 25. Qd1 Nxc5 26. Nxe5 Qc7 27. c4 dxe5 28. cxb5 Nd3+ 29. Qxd3 Bxd3 30. bxc6 Qxc6+ 31. Kd1 Qc2+ 0-1

[Event "GER-ch U25 op-C"]
[Site "Willingen"]
[Date "2024.05.19"]
[Round "2"]
[White "Piotrowski, Jaro"]
[Black "Wilting, Oskar"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1223"]
[BlackElo "1503"]
[PlyCount "138"]
[EventDate "2024.05.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 d5 3. Nf3 Bf5 4. Bf4 e6 5. e3 Nc6 6. Bb5 Bd6 7. Bxd6 Qxd6 8. Ne5 0-0 9. Nf3 a6 10. Bd3 Ne7 11. h3 c5 12. dxc5 Qxc5 13. 0-0 Bxd3 14. Qxd3 Nc6 15. e4 Nb4 16. Qe2 Nxe4 17. Nxe4 dxe4 18. Qxe4 Nxc2 19. Rac1 Rac8 20. h4 Qb4 21. Qd3 Qxb2 22. Ng5 g6 23. Ne4 Qd4 24. Qxd4 Nxd4 25. Rxc8 Rxc8 26. Nd6 Ne2+ 27. Kh2 Rc1 28. Rxc1 Nxc1 29. Nxb7 Nxa2 30. Nc5 Nb4 31. g4 Kf8 32. Kg3 Ke7 33. Kf4 f6 34. f3 e5+ 35. Ke4 Kd6 36. Nb7+ Kc6 37. Nd8+ Kb6 38. Ne6 a5 39. Nf8 a4 40. Nxg6 hxg6 41. h5 a3 42. hxg6 a2 43. g7 a1Q 44. g8Q Qd4+ 45. Kf5 Qf4+ 46. Kg6 Qg5+ 47. Kf7 Qxg8+ 48. Kxg8 Nd5 49. Kf7 Kc5 50. Ke6 Kd4 51. Kf5 Ke3 52. Ke6 Kxf3 53. Kxd5 Kxg4 54. Ke4 f5+ 55. Ke3 f4+ 56. Kf2 e4 57. Ke2 Kg3 58. Kf1 e3 59. Ke1 Kg2 60. Ke2 f3+ 61. Ke1 f2+ 62. Ke2 f1Q+ 63. Kxe3 Qc4 64. Kd2 Qb3 65. Ke2 Qc3 66. Kd1 Qb2 67. Ke1 Kf3 68. Kd1 Ke3 69. Ke1 Qc1# 0-1

