[Event "LEM 2025 Brandenburg u16"]
[Site "Gnewikow"]
[Date "2025.04.15"]
[Round "7.4"]
[White "Middendorf, Sven-Jonas"]
[Black "Kaplan, Arne"]
[Result "1/2-1/2"]
[PlyCount "0"]
[Time "09:30:00"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be7 8. Be2 Be6 9. f3 O-O 10. Qd2 d5 11. exd5 Nxd5 12. Nxd5 Qxd5 13. Qxd5 Bxd5 14. c4 Bc6 15. O-O a5 16. a4 Nd7 17. Rfd1 b6 18. Bd3 f5 19. Bc2 g6 20. f4 exf4 21. Bxf4 Nc5 22. Bd6 Bxd6 23. Rxd6 Bxa4 24. Nxc5 Bxc2 25. Rxb6 Rfb8 26. Rxb8+ Rxb8 27. b3 Bxb3 28. Rb1 a4 29. Nxa4 Ra8 30. Nb6 Bc2 31. Rb2 Rb8 32. c5 Be4 33. Rd2 Rb7 34. Rd4 Rc7 35. Rc4 Kf7 36. Na4 Bc6 37. Nb6 1/2-1/2

[Event "LEM 2025 Brandenburg u16"]
[Site "Gnewikow"]
[Date "2025.04.14"]
[Round "6.1"]
[White "Geppert, Finn"]
[Black "Middendorf, Sven-Jonas"]
[Result "0-1"]
[PlyCount "0"]
[Time "14:30:00"]

1. e4 e5 2. d4 exd4 3. Qxd4 Nc6 4. Qe3 Nf6 5. Nc3 Bb4 6. Bd2 O-O 7. O-O-O Re8 8. Bc4 d6 9. f3 Na5 10. Bb3 Nxb3+ 11. cxb3 Be6 12. Nh3 d5 13. Ne2 Bxd2+ 14. Rxd2 Qd7 15. Qg5 h6 16. Qh4 Qc6+ 17. Rc2 Qb6 18. exd5 Nxd5 19. Rd2 Qc5+ 20. Qc4 Qxc4+ 21. bxc4 Ne3 22. b3 Nxg2 23. Nhf4 Nxf4 24. Nxf4 Rad8 25. Rg2 g6 26. h4 Rd4 27. Ne2 Rd3 28. h5 g5 29. f4 f6 30. fxg5 fxg5 31. Nf4 Re3 32. Kd2 Bf5 33. Rhg1 Kh8 34. Nd5 Rd3+ 35. Kc1 c6 36. Rf2 cxd5 37. Rxf5 dxc4 38. Rf6 Kg7 39. Rg6+ Kh7 40. Rf1 cxb3 41. Rf7+ Kh8 42. Rxh6+ Kg8 43. Rhh7 Re1+ 44. Kb2 Re2+ 45. Ka3 b2+ 46. 0-1

[Event "LEM 2025 Brandenburg u16"]
[Site "Gnewikow"]
[Date "2025.04.14"]
[Round "5.4"]
[White "KÃ¼hn, Felix"]
[Black "Middendorf, Sven-Jonas"]
[Result "0-1"]
[PlyCount "0"]
[Time "08:45:00"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 b5 6. Bb3 Bc5 7. O-O h6 8. c3 d6 9. Nbd2 O-O 10. h3 Bb6 11. Re1 Na5 12. Bc2 c5 13. Nf1 Nc6 14. Ng3 Qc7 15. a4 Be6 16. Be3 Rfe8 17. Qd2 Kh7 18. Rac1 Rad8 19. axb5 axb5 20. d4 cxd4 21. cxd4 Ba5 22. Qd1 Bxe1 23. d5 Ba5 24. dxe6 fxe6 25. Bd3 Qb7 26. Qb3 Nb4 27. Rb1 Rc8 28. Rd1 Qc6 29. Bd2 Qc5 30. Ne1 Nc6 31. Rc1 Qb6 32. Be3 Nd4 33. Bxd4 Qxd4 34. Rxc8 Rxc8 35. Qxe6 Rc1 36. Nf5 Rxe1+ 37. Kh2 Qxf2 38. Qf7 Qf4+ 39. Ng3 Ng4+ 40. 0-1

[Event "LEM 2025 Brandenburg u16"]
[Site "Gnewikow"]
[Date "2025.04.13"]
[Round "4.2"]
[White "Middendorf, Sven-Jonas"]
[Black "Kiesewetter, Jan"]
[Result "1-0"]
[PlyCount "0"]
[Time "14:30:00"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. Re1 Nd6 6. Bxc6 dxc6 7. Nxe5 Be6 8. d3 Be7 9. Nc3 O-O 10. Bf4 Re8 11. Ne4 Nxe4 12. dxe4 Bd6 13. Nd3 f6 14. Bxd6 cxd6 15. Nf4 Bf7 16. Qf3 Qa5 17. a3 d5 18. b4 dxe4 19. Rxe4 Qf5 20. Rae1 Rxe4 21. Rxe4 Rd8 22. Nd3 Qxf3 23. gxf3 Re8 24. Rxe8+ Bxe8 25. c4 Kf7 26. Kg2 g5 27. f4 Ke7 28. fxg5 fxg5 29. Kg3 Bg6 30. Nc5 b6 31. Nb3 h5 32. Nd4 Kd6 33. f4 gxf4+ 34. Kxf4 a5 35. Nf5+ Kc7 36. bxa5 bxa5 37. c5 Kd7 38. Kg5 Bf7 39. Nd6 Bb3 40. Kxh5 Ke6 41. Kg5 Kd5 42. Nb7 a4 43. h4 Bc2 44. h5 Kc4 45. h6 Kb3 46. Na5+ Kxa3 47. Nxc6 Kb2 48. Nb4 Be4 49. c6 Bxc6 50. h7 Kb3 51. Nxc6 1-0

[Event "LEM 2025 Brandenburg u16"]
[Site "Gnewikow"]
[Date "2025.04.12"]
[Round "2.3"]
[White "Middendorf, Sven-Jonas"]
[Black "Majewski, Nico"]
[Result "1/2-1/2"]
[PlyCount "0"]
[Time "15:00:00"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Nb3 e5 7. Bc4 Be7 8. f3 Be6 9. Nd5 Rc8 10. c3 h5 11. Be3 Nd7 12. Nxe7 Qxe7 13. Bxe6 fxe6 14. Qd2 Nf6 15. Bg5 Kf7 16. O-O d5 17. Bxf6 gxf6 18. exd5 Rcd8 19. dxe6+ Qxe6 20. Qe2 h4 21. f4 Rdg8 22. fxe5 Nxe5 23. Nd4 Qd5 24. Rad1 h3 25. g3 Rxg3+ 26. hxg3 h2+ 27. Kf2 h1=Q 28. Rxh1 Rxh1 29. Rxh1 Qxh1 30. Nf5 Qh2+ 31. Ke1 Qh1+ 32. Kd2 Qd5+ 33. Nd4 Qxa2 34. Qh5+ Ke7 35. Qh7+ Qf7 36. Qxf7+ Kxf7 37. Nb5 Nc4+ 38. Kc2 a6 39. Nd4 Ne3+ 40. Kd3 Nf1 41. Ne2 Kg6 42. Kc4 Kf5 43. Kc5 Kg4 44. Kb6 Ne3 45. Kxb7 a5 46. Ka6 Kf3 47. Nf4 Kxg3 48. Nh5+ Kf3 49. Nxf6 Ke2 50. b3 Kd3 51. Kxa5 Kxc3 52. b4 Nc4+ 53. Ka4 Nb6+ 54. Kb5 Nc4 55. Kc5 Na3 56. Nd5+ Kb3 57. Ne3 Kc3 58. Nd5+ Kb3 59. Ne3 Kc3 60. Nf5 Kb3 61. 1/2-1/2

[Event "LEM 2025 Brandenburg u16"]
[Site "Gnewikow"]
[Date "2025.04.12"]
[Round "1.2"]
[White "Lehmann, Lasse"]
[Black "Middendorf, Sven-Jonas"]
[Result "1/2-1/2"]
[PlyCount "0"]
[Time "09:30:00"]

1. d4 d5 2. Bf4 Nf6 3. Nf3 e6 4. e3 Nbd7 5. Bd3 Be7 6. O-O c6 7. c3 b6 8. Ne5 Bb7 9. Nxd7 Qxd7 10. Nd2 Bd6 11. Bxd6 Qxd6 12. Nf3 O-O 13. h3 c5 14. Ne5 Nd7 15. Nxd7 Qxd7 16. Rc1 c4 17. Bb1 f5 18. f4 Bc6 19. Bc2 Qe7 20. Qf3 a5 21. 1/2-1/2

[Event "DVM U12 2021"]
[Site "Naumburg (Saale) GER"]
[Date "2022.03.28"]
[Round "6"]
[White "Klaska, Philipp Leon"]
[Black "Middendorf, Sven-Jonas"]
[Result "1-0"]
[PlyCount "49"]
[Termination "normal"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 Nbd7 6. e3 c6 7. Bd3 Bd6 8. Qc2 h6 9. Bh4 g5 10. Bg3 Bxg3 11. hxg3 c5 12. dxc5 Nxc5 13. Nf3 Ng4 14. Bb5+ Bd7 15. Bxd7+ Nxd7 16. Nxd5 Rc8 17. Qe4+ Nde5 18. Nxe5 Nxe5 19. Qxe5+ Kd7 20. Nf6+ Kc6 21. O-O a6 22. Rfd1 Qf8 23. Rac1+ Kb6 24. Nd7+ Ka7 25. Nxf8 1-0

[Event "DVM U12 2021"]
[Site "Naumburg (Saale) GER"]
[Date "2022.03.27"]
[Round "5"]
[White "Middendorf, Sven-Jonas"]
[Black "Fruth, David"]
[Result "1/2-1/2"]
[PlyCount "77"]
[Termination "normal"]

1. e4 c5 2. Ne2 g6 3. d3 Bg7 4. Nbc3 Nc6 5. Be3 d6 6. g3 Ne5 7. Bg2 Bg4 8. f4 Nf3+ 9. Bxf3 Bxf3 10. Rf1 Bxe2 11. Qxe2 Qb6 12. O-O-O Qa5 13. Bd2 b5 14. Kb1 Rb8 15. a3 b4 16. Nd5 Bxb2 17. Bc1 bxa3 18. Ka2 Bd4 19. Qd2 Rb2+ 20. Bxb2 Qxd2 21. Rxd2 Bxb2 22. Nc7+ Kd7 23. Nb5 Nf6 24. Nxa3 Bc3 25. Re2 Kc6 26. Rb1 Nd7 27. Nc4 Nb6 28. Nxb6 axb6 29. Kb3 Bg7 30. c3 Ra8 31. Rc2 b5 32. c4 bxc4+ 33. Rxc4 Rb8+ 34. Kc2 Ra8 35. Kd2 Bd4 36. Rbc1 Kb5 37. Rb1+ Kc6 38. Rbc1 Kb5 39. Rb1+ 1/2-1/2

[Event "DVM U12 2021"]
[Site "Naumburg (Saale) GER"]
[Date "2022.03.27"]
[Round "4"]
[White "Haubold, Sebastian Marcel"]
[Black "Middendorf, Sven-Jonas"]
[Result "1-0"]
[PlyCount "83"]
[Termination "normal"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d4 exd4 6. O-O Be7 7. Re1 b5 8. e5 Nd5 9. Bb3 Nb6 10. Nxd4 Nxd4 11. Qxd4 c5 12. Qg4 g6 13. c3 d5 14. Qf3 c4 15. Bc2 Bc5 16. Bh6 Rg8 17. Nd2 Qh4 18. Be3 Bxe3 19. Qxe3 Qd8 20. Qh6 Rf8 21. Qxh7 Be6 22. Nf3 Nd7 23. Nd4 Nc5 24. Qh6 Qc7 25. Rad1 O-O-O 26. b4 cxb3 27. axb3 Qd7 28. b4 Nb7 29. Ra1 Qc7 30. Rxa6 Qxc3 31. Rc6+ Qxc6 32. Nxc6 Rde8 33. Na7+ Kb8 34. Nxb5 Rh8 35. Qe3 Kc8 36. Nd6+ Nxd6 37. exd6 Bd7 38. Qc5+ Kb7 39. Qc7+ Ka6 40. Ra1+ Ba4 41. Rxa4+ Kb5 42. Qc5# 1-0

[Event "DVM U12 2021"]
[Site "Naumburg (Saale) GER"]
[Date "2022.03.26"]
[Round "2"]
[White "Zhang, Yibo"]
[Black "Middendorf, Sven-Jonas"]
[Result "1/2-1/2"]
[PlyCount "67"]
[Termination "normal"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. e5 Qe7 7. Qe2 Nd5 8. c4 Ba6 9. b3 g6 10. f4 Bg7 11. Qf2 Nb6 12. Ba3 d6 13. c5 Bxe5 14. Bxa6 Bxa1+ 15. Kd1 O-O 16. cxb6 cxb6 17. Re1 Qd7 18. Bd3 Qg4+ 19. Kc2 Rad8 20. Nc3 Bxc3 21. Kxc3 Qd7 22. f5 Rfe8 23. f6 Rxe1 24. Qxe1 Qe6 25. Qh4 Re8 26. Kc2 Qe5 27. Bb2 Qc5+ 28. Bc3 Re6 29. Bc4 d5 30. Qh6 Qf2+ 31. Kb1 Re1+ 32. Bxe1 Qxe1+ 33. Kb2 Qe5+ 34. Kb1 1/2-1/2

[Event "DVM U12 2021"]
[Site "Naumburg (Saale) GER"]
[Date "2022.03.26"]
[Round "3"]
[White "Middendorf, Sven-Jonas"]
[Black "Rudolph, Konrad"]
[Result "1-0"]
[PlyCount "49"]
[Termination "normal"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Bc4 Nb6 6. Bb3 Bg7 7. Ng5 O-O 8. e6 f6 9. Nf7 Qe8 10. d5 a5 11. a4 c6 12. c4 f5 13. Be3 Ra6 14. Bd4 Bf6 15. Qd2 Kg7 16. Qh6+ Kg8 17. Ng5 Rf7 18. exf7+ Qxf7 19. Nxf7 Bxd4 20. Ng5 Bg7 21. Qxh7+ Kf8 22. Qxg6 Kg8 23. Qe8+ Bf8 24. Qf7+ Kh8 25. Qxf8# 1-0

[Event "DVM U12 2021"]
[Site "Naumburg (Saale) GER"]
[Date "2022.03.25"]
[Round "1"]
[White "Middendorf, Sven-Jonas"]
[Black "Bergmann, Moritz"]
[Result "1-0"]
[PlyCount "87"]
[Termination "normal"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. O-O Nf6 5. Re1 Bg4 6. h3 Bh5 7. c3 a6 8. Ba4 b5 9. Bb3 Be7 10. g4 Bg6 11. d3 h6 12. Nbd2 O-O 13. Nf1 Re8 14. Ng3 Nd7 15. Bd5 Ndb8 16. d4 exd4 17. Nxd4 Qd7 18. Be3 Bh4 19. Ngf5 Bg5 20. Bxg5 hxg5 21. f3 Bxf5 22. Nxf5 Ra7 23. Qd2 Ne5 24. Kf2 g6 25. Qxg5 c6 26. Bb3 d5 27. Nh6+ Kg7 28. Nf5+ Kg8 29. Nh6+ Kh7 30. Rad1 Qd6 31. Kg2 Qe7 32. Qxe7 Raxe7 33. g5 Nc4 34. Bxc4 dxc4 35. Ng4 Rc8 36. Nf6+ Kg7 37. Rd6 Re5 38. f4 Re7 39. e5 Rh8 40. Red1 a5 41. Rd8 Rxd8 42. Rxd8 Re8 43. Rxe8 Nd7 44. Rg8# 1-0

[Event "DEM U12 2021"]
[Site "Willingen GER"]
[Date "2021.08.29"]
[Round "9"]
[White "Middendorf, Sven-Jonas"]
[Black "Bräutigam, Alexander"]
[Result "0-1"]
[PlyCount "54"]
[Termination "normal"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. O-O Be7 8. a4 Bd7 9. Be3 O-O 10. a5 Nc6 11. Nb3 Qb8 12. f3 Bd8 13. Bf4 Bc7 14. Bg5 Kh8 15. Bxf6 gxf6 16. f4 Rg8 17. Bd3 Rg7 18. Qh5 Qa7+ 19. Kh1 Rag8 20. Rg1 Qf2 21. e5 f5 22. Nd1 Qxf4 23. exd6 Bxd6 24. Nc3 Rg5 25. Qh3 Qxh2+ 26. Qxh2 Bxh2 27. Kxh2 Rh5# 28. 0-1

[Event "DEM U12 2021"]
[Site "Willingen GER"]
[Date "2021.08.28"]
[Round "8"]
[White "Kullmann, Theo"]
[Black "Middendorf, Sven-Jonas"]
[Result "1-0"]
[PlyCount "53"]
[Termination "normal"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. e5 Qe7 7. Qe2 Nd5 8. c4 Ba6 9. b3 g6 10. f4 Bg7 11. Qf2 Nf6 12. Ba3 Qe6 13. Be2 Ne4 14. Qe3 f5 15. Nd2 Nxd2 16. Qxd2 d6 17. Qa5 Qc8 18. Bf3 Bb7 19. Qa4 dxe5 20. Bxc6+ Bxc6 21. Qxc6+ Kf7 22. O-O-O Rd8 23. Rxd8 Qxd8 24. Rd1 Qe8 25. Qd5+ Kf6 26. fxe5+ Qxe5 27. Bb2 1-0

[Event "DEM U12 2021"]
[Site "Willingen GER"]
[Date "2021.08.27"]
[Round "7"]
[White "Middendorf, Sven-Jonas"]
[Black "Kullmann, Max"]
[Result "0-1"]
[PlyCount "102"]
[Termination "normal"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 c6 5. Nf3 Nf6 6. Bc4 Bf5 7. Bd2 e6 8. Nd5 Qd8 9. Nxf6+ gxf6 10. O-O Nd7 11. Re1 Qc7 12. Qe2 O-O-O 13. Bd3 Bxd3 14. Qxd3 Bd6 15. Qc3 Nb6 16. Qa5 Nc4 17. Qxc7+ Bxc7 18. Bc3 Nd6 19. d5 e5 20. dxc6 bxc6 21. Bb4 Rd7 22. Nd2 a5 23. Bc3 Nb5 24. Ne4 Nxc3 25. Nxc3 f5 26. Rad1 Rhd8 27. Rxd7 Rxd7 28. Rd1 f6 29. Rxd7 Kxd7 30. f3 Bb6+ 31. Kf1 Bd4 32. Nd1 Kd6 33. c3 Bb6 34. a3 a4 35. Ke2 Kd5 36. Ne3+ Bxe3 37. Kxe3 Kc4 38. Kd2 Kb3 39. Kc1 e4 40. fxe4 fxe4 41. c4 e3 42. c5 e2 43. Kd2 Kxb2 44. Kxe2 Kxa3 45. Kd3 Kb3 46. Ke4 a3 47. Kf5 a2 48. Kxf6 a1=Q+ 49. Kg5 Qg7+ 50. Kh5 Qxg2 51. h4 Qg6# 52. 0-1

[Event "DEM U12 2021"]
[Site "Willingen GER"]
[Date "2021.08.26"]
[Round "6"]
[White "Quartz, Konstantin"]
[Black "Middendorf, Sven-Jonas"]
[Result "0-1"]
[PlyCount "100"]
[Termination "normal"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. O-O O-O 7. Bg5 d6 8. h3 Ne5 9. Nbd2 Be6 10. Bb3 dxc3 11. bxc3 h6 12. Bh4 Ng6 13. Re1 Nxh4 14. Nxh4 Bxb3 15. axb3 Re8 16. Qf3 Nd7 17. Qg3 Qg5 18. Nf1 Nf6 19. Nf3 Qxg3 20. Nxg3 Re7 21. b4 Bb6 22. Nf5 Rxe4 23. Rxe4 Nxe4 24. c4 Bxf2+ 25. Kh2 Bb6 26. Ne7+ Kf8 27. Nd5 Ng5 28. Nxg5 hxg5 29. Nxb6 cxb6 30. Kg3 Rc8 31. Rxa7 Rxc4 32. Rxb7 Rxb4 33. Rd7 Rb1 34. Kf3 b5 35. Ke4 b4 36. Kd5 b3 37. Rb7 b2 38. Kxd6 Rd1+ 39. Kc7 b1=Q 40. Rxb1 Rxb1 41. Kd6 Re1 42. Kc7 Rd1 43. Kb8 Rc1 44. Ka8 Rb1 45. Ka7 Ke7 46. Ka6 Kd6 47. Ka5 Kc5 48. Ka4 Rb8 49. Ka3 Kc4 50. Ka4 Ra8# 51. 0-1

[Event "DEM U12 2021"]
[Site "Willingen GER"]
[Date "2021.08.26"]
[Round "5"]
[White "Middendorf, Sven-Jonas"]
[Black "Fruth, David"]
[Result "0-1"]
[PlyCount "120"]
[Termination "normal"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Bg7 5. Nc3 Nc6 6. Be3 Nf6 7. Bc4 O-O 8. Bb3 Re8 9. Qd2 d6 10. f3 Na5 11. O-O-O a6 12. Kb1 Bd7 13. h4 b5 14. g4 h5 15. gxh5 Nxh5 16. Bh6 Rb8 17. Qg5 Nxb3 18. cxb3 Be5 19. Nde2 Kh7 20. Qd2 e6 21. Bf4 Nxf4 22. Nxf4 b4 23. Nce2 Bb5 24. Rde1 Qf6 25. h5 g5 26. Nh3 Kh6 27. Qxg5+ Qxg5 28. Nxg5 Kxg5 29. f4+ Bxf4 30. Reg1+ Kh6 31. Nxf4 e5 32. Nh3 Bd3+ 33. Ka1 Bxe4 34. Rh2 Rg8 35. Rxg8 Rxg8 36. a3 Rg2 37. Rxg2 Bxg2 38. Nf2 Kxh5 39. Kb1 f5 40. Kc1 f4 41. Nd3 bxa3 42. bxa3 Bf1 43. Ne1 e4 44. Kd2 Kg4 45. Nc2 d5 46. Nd4 Kg3 47. b4 Kf2 48. a4 e3+ 49. Kd1 e2+ 50. Nxe2 Bxe2+ 51. Kd2 f3 52. b5 axb5 53. axb5 Bxb5 54. Kc1 Ke3 55. Kb2 f2 56. Ka2 f1=Q 57. Kb2 Qd3 58. Kc1 Qd2+ 59. Kb1 Bc4 60. Ka1 Qa2# 61. 0-1

[Event "DEM U12 2021"]
[Site "Willingen GER"]
[Date "2021.08.25"]
[Round "4"]
[White "Schröder, Jan-Hendrik"]
[Black "Middendorf, Sven-Jonas"]
[Result "0-1"]
[PlyCount "124"]
[Termination "normal"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Bb4 6. Nxc6 bxc6 7. Bd3 d5 8. exd5 Qe7+ 9. Qe2 Qxe2+ 10. Bxe2 Nxd5 11. Bd2 Nxc3 12. bxc3 Ba5 13. Bf3 Bd7 14. O-O O-O-O 15. Rab1 Bb6 16. Rb2 Be6 17. Be3 Bd5 18. Rfb1 Bxf3 19. gxf3 Kb7 20. a4 Ka8 21. a5 Bxa5 22. Ra2 Bb6 23. Bxb6 cxb6 24. Rxb6 Rc8 25. Raa6 Rhd8 26. Rb2 Rd6 27. Rba2 Rc7 28. R6a4 Rg6+ 29. Rg4 h5 30. Rxg6 fxg6 31. Kg2 Rf7 32. Kg3 Rf5 33. f4 Rc5 34. Ra3 Kb7 35. Kf3 Kb6 36. Ke4 a5 37. h4 Rc4+ 38. Ke5 a4 39. f3 Ka5 40. f5 Rc5 41. Kd6 Rxf5 42. c4 Kb4 43. Re3 Ra5 44. f4 a3 45. Re5 Rxe5 46. fxe5 a2 47. e6 a1=Q 48. e7 Qe1 49. Kd7 Qxe7+ 50. Kxe7 g5 51. hxg5 h4 52. g6 h3 53. Kf7 h2 54. Kxg7 h1=Q 55. Kg8 Qg2 56. g7 Kxc4 57. Kf7 Qf3+ 58. Ke7 Qg4 59. Kf6 Kc3 60. Kf7 Kxc2 61. g8=Q Qxg8+ 62. Kxg8 c5 63. 0-1

[Event "DEM U12 2021"]
[Site "Willingen GER"]
[Date "2021.08.24"]
[Round "3"]
[White "Middendorf, Sven-Jonas"]
[Black "Klaska, Philipp Leon"]
[Result "0-1"]
[PlyCount "94"]
[Termination "normal"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Qc7 6. Nc3 Nf6 7. Be2 Nc6 8. f4 Bb4 9. Qd3 d6 10. Nc2 Bc5 11. a3 O-O 12. b4 Ba7 13. Bb2 Ne7 14. O-O-O d5 15. e5 dxc4 16. Qd6 Qxd6 17. exd6 Ng6 18. g3 b5 19. a4 Bb7 20. Rhe1 Nd5 21. axb5 Nxc3 22. Bxc3 axb5 23. Bd4 Rfd8 24. Bxa7 Rxa7 25. Nd4 Ra4 26. f5 exf5 27. Nxf5 Rxb4 28. Ne7+ Kf8 29. Nxg6+ hxg6 30. Rd4 Ra4 31. Rh4 Kg8 32. Bd1 Ra6 33. d7 Re6 34. Rxe6 fxe6 35. Rd4 Bd5 36. Bg4 Kf7 37. h4 Rxd7 38. h5 gxh5 39. Bxh5+ Ke7 40. Rf4 Kd6 41. Be8 Rb7 42. Rd4 Kc5 43. Rg4 b4 44. Ba4 b3 45. Be8 Kb4 46. Kb2 Ra7 47. Kb1 Kc3 48. 0-1

[Event "DEM U12 2021"]
[Site "Willingen GER"]
[Date "2021.08.23"]
[Round "1"]
[White "Middendorf, Sven-Jonas"]
[Black "Sauer, Tim"]
[Result "0-1"]
[PlyCount "110"]
[Termination "normal"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Bg7 5. Be3 Nc6 6. Nc3 Nf6 7. Nxc6 bxc6 8. Bc4 O-O 9. O-O Qa5 10. Rb1 Rb8 11. a3 Rd8 12. b4 Qc7 13. e5 Qxe5 14. Bxa7 Qxc3 15. Bxf7+ Kxf7 16. Bxb8 Ba6 17. Rb3 Qc4 18. Bc7 Rc8 19. Be5 Qxf1+ 20. Qxf1 Bxf1 21. Kxf1 d6 22. Bxf6 Bxf6 23. Rf3 Ke6 24. c4 Ra8 25. Re3+ Kd7 26. f4 Ke8 27. Ke1 Bb2 28. Rh3 h5 29. f5 Rxa3 30. Rxa3 Bxa3 31. fxg6 Bxb4+ 32. Ke2 Kf8 33. Kf3 Kg7 34. g4 hxg4+ 35. Kxg4 Kxg6 36. h4 d5 37. cxd5 cxd5 38. Kf4 Bc3 39. Ke3 e5 40. Kd3 Ba5 41. Ke3 Bb6+ 42. Kd3 e4+ 43. Ke2 d4 44. Kd2 Bc7 45. Ke2 Bf4 46. Kd1 d3 47. Ke1 e3 48. Kd1 Bg3 49. h5+ Kxh5 50. Kc1 e2 51. Kb2 e1=Q 52. Ka3 Qb1 53. Ka4 Bc7 54. Ka3 Bd6+ 55. Ka4 Qb4# 56. 0-1

[Event "DEM U12 2021"]
[Site "Willingen GER"]
[Date "2021.08.23"]
[Round "2"]
[White "Wieser, Rouven"]
[Black "Middendorf, Sven-Jonas"]
[Result "0-1"]
[PlyCount "72"]
[Termination "normal"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. d4 d6 7. Qb3 Qd7 8. O-O Bb6 9. Bb5 a6 10. Ba4 Ba7 11. d5 b5 12. dxc6 Qxc6 13. Bxb5 Qxb5 14. Nbd2 Be6 15. c4 Qxb3 16. axb3 Bc5 17. Ng5 Nf6 18. Rb1 Bb4 19. Ndf3 h6 20. Nxe6 fxe6 21. Bd2 a5 22. Bxb4 axb4 23. Nd2 O-O 24. g3 Ra2 25. Nf3 Nxe4 26. Rbe1 Rxf3 27. Rxe4 Rxb3 28. c5 Rab2 29. cxd6 cxd6 30. Kg2 Rb1 31. Rxb1 Rxb1 32. Kf3 b3 33. Ke2 d5 34. Rb4 b2 35. Kd2 Rf1 36. Rxb2 Rxf2+ 37. 0-1

[Event "DVM U10 2020"]
[Site "Magdeburg GER"]
[Date "2021.08.08"]
[Round "6"]
[White "He, Saiqi"]
[Black "Middendorf, Sven-Jonas"]
[Result "1/2-1/2"]
[PlyCount "30"]
[Termination "normal"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d5 6. exd5 Nxd5 7. O-O O-O 8. b4 Bb6 9. b5 Na5 10. Nxe5 Nxc4 11. Nxc4 Qf6 12. Bb2 Re8 13. Nxb6 Nxb6 14. Nd2 Qg6 15. Qf3 Na4 16. Rab1 Bf5 17. Ne4 Bxe4 18. dxe4 Qxe4 19. Qg3 Nxb2 20. Rxb2 Re7 21. h3 Rae8 22. Rb4 Qe2 23. Ra1 Qd2 24. Kh2 Qd6 25. Qxd6 cxd6 26. f3 Rc7 27. c4 Rec8 28. Ra4 Rxc4 29. Rxa7 R4c7 30. Rd1 Rd7 31. Kg3 f6 32. Kf4 Kf7 33. a4 d5 34. a5 Rc4+ 35. Kg3 Rb4 36. a6 Rxb5 37. axb7 Ke6 38. b8=Q Rxb8 39. Rxd7 Kxd7 40. Rxd5+ Ke6 41. Rd3 g5 42. Re3+ Kf7 43. Kg4 Kg6 44. Kg3 f5 45. Re6+ Kh5 46. Re5 f4+ 47. Kh2 Rb2 48. Re7 h6 49. Re6 Rc2 50. Rd6 Rb2 51. 1/2-1/2

[Event "DVM U10 2020"]
[Site "Magdeburg GER"]
[Date "2021.08.08"]
[Round "7"]
[White "Middendorf, Sven-Jonas"]
[Black "Goldmann, David"]
[Result "0-1"]
[PlyCount "104"]
[Termination "normal"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. c3 Bg7 5. d4 cxd4 6. cxd4 Qb6 7. Bxc6 bxc6 8. Nc3 Ba6 9. d5 Nf6 10. Qc2 Rb8 11. Rb1 cxd5 12. Nxd5 Nxd5 13. exd5 Qa5+ 14. b4 Qxd5 15. a4 Bd3 16. Qc7 O-O 17. Qxa7 Bxb1 18. O-O Be4 19. Qe3 Bxf3 20. Qxf3 Qxf3 21. gxf3 Rxb4 22. Ba3 Rxa4 23. Bxe7 Re8 24. Bc5 Ra1 25. Rxa1 Bxa1 26. Kg2 d5 27. f4 d4 28. Kf3 d3 29. Be3 Bc3 30. h3 d2 31. Ke2 Ra8 32. Bxd2 Bxd2 33. Kxd2 Ra3 34. Ke2 Rxh3 35. f3 f5 36. Kf2 Kg7 37. Kg2 Rh4 38. Kg3 Rh1 39. Kg2 Ra1 40. Kf2 Ra4 41. Kg3 Kf6 42. Kf2 Rxf4 43. Kg3 g5 44. Kf2 g4 45. Kg1 Rxf3 46. Kg2 h5 47. Kg1 Kg5 48. Kg2 Kh4 49. Kh2 Rf2+ 50. Kh1 Kh3 51. Kg1 Kg3 52. Kh1 Rf1# 53. 0-1

[Event "DVM U10 2020"]
[Site "Magdeburg GER"]
[Date "2021.08.07"]
[Round "3"]
[White "Middendorf, Sven-Jonas"]
[Black "Leitloff, Finn Leonidas"]
[Result "1-0"]
[PlyCount "103"]
[Termination "normal"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Bc5 5. O-O Nf6 6. Re1 Ng4 7. Rf1 O-O 8. h3 Nf6 9. Re1 d5 10. exd5 Nxd5 11. Nxe5 Nxe5 12. d4 Bxd4 13. Qxd4 Nc6 14. Bxc6 bxc6 15. Nc3 Nf6 16. Qxd8 Rxd8 17. Bg5 Bf5 18. Re2 Rab8 19. b3 h6 20. Bf4 Rd7 21. Rae1 Rbd8 22. Be5 Rd2 23. Bxc7 Rxe2 24. Rxe2 Rd7 25. Be5 Nd5 26. Nxd5 Rxd5 27. c4 Rd1+ 28. Kh2 f6 29. Bf4 Bg6 30. Re6 Rf1 31. Be3 Kf7 32. Rxc6 Be4 33. Rxa6 g5 34. b4 Kg6 35. Bd4 Kh5 36. Rxf6 g4 37. hxg4+ Kxg4 38. f3+ Bxf3 39. gxf3+ Kh4 40. Rf5 Rxf3 41. Rxf3 Kg4 42. c5 Kxf3 43. c6 Ke4 44. c7 Kxd4 45. c8=Q Ke5 46. Qc6 h5 47. b5 Kf4 48. Qd5 h4 49. b6 Kg4 50. b7 h3 51. b8=Q Kh4 52. Qg3# 1-0

[Event "DVM U10 2020"]
[Site "Magdeburg GER"]
[Date "2021.08.07"]
[Round "4"]
[White "Nguyen, Bach Khoi"]
[Black "Middendorf, Sven-Jonas"]
[Result "0-1"]
[PlyCount "62"]
[Termination "normal"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 h6 6. Bb3 d6 7. O-O Bg4 8. h3 Be6 9. Bc2 Bb6 10. Nbd2 Qd7 11. Re1 g5 12. Nh2 g4 13. h4 g3 14. Rf1 gxh2+ 15. Kh1 Rg8 16. Nf3 Bh3 17. Ne1 Qg4 18. Qxg4 Bxg4 19. Bxh6 Be2 20. Nf3 Bxf1 21. Rxf1 Ng4 22. Bg5 f6 23. Bd2 Bxf2 24. Bb3 Rg7 25. Be6 Bg1 26. Nxg1 hxg1=Q+ 27. Kxg1 Ke7 28. Bf5 Rh8 29. Be1 Ne3 30. Rf3 Nxg2 31. Bg3 Nxh4 32. 1/2-1/2

[Event "DVM U10 2020"]
[Site "Magdeburg GER"]
[Date "2021.08.07"]
[Round "5"]
[White "Middendorf, Sven-Jonas"]
[Black "Thümler, Floris"]
[Result "0-1"]
[PlyCount "126"]
[Termination "normal"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 c5 5. Nf3 Bg4 6. Bb5+ Nbd7 7. Bc4 Bxf3 8. gxf3 cxd4 9. Qxd4 Bg7 10. Be3 O-O 11. Qd3 Nc5 12. Bxc5 dxc5 13. O-O-O a6 14. Qxd8 Rfxd8 15. e5 Nh5 16. Ne2 Bh6 17. Rxd8+ Rxd8 18. Rd1 Rxd1+ 19. Kxd1 Nxf4 20. Nxf4 Bxf4 21. e6 f5 22. h3 Kg7 23. a4 Be5 24. b3 Bc3 25. Ke2 Kf6 26. f4 h6 27. h4 Bd4 28. Bd5 b5 29. axb5 axb5 30. Kf3 Bc3 31. Bc6 b4 32. Bd5 Be1 33. h5 gxh5 34. Kg2 h4 35. Kf3 h3 36. Ke2 Bh4 37. Kf3 h5 38. Ke2 Bg3 39. Kf3 h4 40. Ke3 h2 41. Bh1 Kxe6 42. Kf3 Kd6 43. Ke3 e5 44. fxe5+ Kxe5 45. Kd3 Kf4 46. Kc4 Bf2 47. c3 bxc3 48. Kxc3 Kg3 49. Kd3 f4 50. Ke2 Bd4 51. Ke1 Bg1 52. Ke2 h3 53. Ke1 f3 54. Kf1 f2 55. Ke2 Kf4 56. Kf1 Ke5 57. Ke2 Kd4 58. Kf1 Kc3 59. Ke2 Kxb3 60. Bg2 hxg2 61. Kd2 c4 62. Ke2 f1=Q+ 63. Kd2 c3+ 64. Kd3 0-1

[Event "DVM U10 2020"]
[Site "Magdeburg GER"]
[Date "2021.08.06"]
[Round "1"]
[White "Middendorf, Sven-Jonas"]
[Black "Ahlers, Quentin"]
[Result "1-0"]
[PlyCount "77"]
[Termination "normal"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. O-O d6 5. h3 Nge7 6. c3 O-O 7. d4 exd4 8. cxd4 Bb6 9. Re1 a6 10. Ba4 Ba5 11. Bd2 b5 12. Bb3 Bb7 13. d5 Bxd2 14. Qxd2 Ne5 15. Nxe5 dxe5 16. Qc3 Qd6 17. Nd2 c6 18. Nf3 f6 19. dxc6+ Kh8 20. cxb7 Rab8 21. Red1 Qb6 22. Bd5 Nxd5 23. exd5 Qxb7 24. Qc6 Rfd8 25. Rac1 Qxc6 26. dxc6 Rxd1+ 27. Rxd1 Rc8 28. c7 Kg8 29. Rd8+ Rxd8 30. cxd8=Q+ Kf7 31. Qd7+ Kf8 32. Nd2 f5 33. Nf3 h6 34. Nxe5 Kg8 35. Qf7+ Kh7 36. Qg6+ Kg8 37. Nd7 b4 38. Nf6+ Kf8 39. Qe8# 1-0

[Event "DVM U10 2020"]
[Site "Magdeburg GER"]
[Date "2021.08.06"]
[Round "2"]
[White "Xue, Luka"]
[Black "Middendorf, Sven-Jonas"]
[Result "1-0"]
[PlyCount "105"]
[Termination "normal"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 Be6 6. e3 h6 7. Bh4 Be7 8. Bd3 Bg4 9. f3 Be6 10. Nge2 Qd7 11. O-O Ng4 12. Bf2 Nxf2 13. Rxf2 Bg5 14. f4 Bh4 15. g3 Bf6 16. f5 Bg5 17. fxe6 Qxe6 18. Nf4 Bxf4 19. exf4 O-O 20. Qb3 Rd8 21. Qxb7 Nc6 22. Re2 Qf6 23. Re5 Qd6 24. Nb5 Qb4 25. Qxc6 a6 26. Rae1 Rf8 27. Qxa8 Rxa8 28. Re8+ Qf8 29. Rxf8+ Rxf8 30. Nxc7 f6 31. Bg6 a5 32. Re8 Rxe8 33. Nxe8 Kf8 34. Nc7 Ke7 35. Nxd5+ Kd6 36. Nb6 Kc6 37. Nc4 Kd5 38. Bf7+ Kxd4 39. Nxa5 Kc5 40. a3 Kb6 41. b4 g5 42. Nc4+ Kc6 43. a4 gxf4 44. a5 fxg3 45. Be8+ Kb7 46. b5 gxh2+ 47. Kxh2 Ka7 48. b6+ Kb7 49. Bc6+ Ka6 50. Bb5+ Kb7 51. a6+ Ka8 52. a7 f5 53. Bc6# 1-0

[Event "DEM U10 2020"]
[Site "Willingen GER"]
[Date "2020.10.31"]
[Round "7"]
[White "Braun, Julian"]
[Black "Middendorf, Sven-Jonas"]
[Result "0-1"]
[PlyCount "62"]
[Termination "normal"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. e5 d5 7. Bb5 Ne4 8. cxd4 Bb6 9. Nc3 Nxc3 10. Bxc6+ bxc6 11. bxc3 Ba5 12. Qc2 Bf5 13. Qb3 Bd3 14. Bd2 Rb8 15. Qa4 Rb5 16. c4 Bxd2+ 17. Nxd2 dxc4 18. Nxc4 Qd5 19. Ne3 Ra5 20. Qb4 Qb5 21. Qxb5 Bxb5 22. Kd2 O-O 23. Rhc1 Rd8 24. Nc2 c5 25. Ke3 cxd4+ 26. Nxd4 Ra3+ 27. Nb3 Rd3+ 28. Ke4 Ra4+ 29. Kf5 Bd7+ 30. Kg5 h6+ 31. Kh5 Bg4+ 32. 0-1

[Event "DEM U10 2020"]
[Site "Willingen GER"]
[Date "2020.10.30"]
[Round "6"]
[White "Middendorf, Sven-Jonas"]
[Black "Pimenov, Danil"]
[Result "1-0"]
[PlyCount "43"]
[Termination "normal"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. c3 a6 6. Ba4 b5 7. Bc2 d6 8. h3 Nf6 9. Re1 O-O 10. d4 cxd4 11. cxd4 e5 12. dxe5 dxe5 13. Nc3 Be6 14. Bg5 Qc7 15. Nd5 Bxd5 16. exd5 Rfd8 17. Bb3 e4 18. Rc1 exf3 19. Rxc6 Qxc6 20. dxc6 Rxd1 21. Rxd1 fxg2 22. c7 1-0

[Event "DEM U10 2020"]
[Site "Willingen GER"]
[Date "2020.10.30"]
[Round "5"]
[White "Laux, Filip"]
[Black "Middendorf, Sven-Jonas"]
[Result "0-1"]
[PlyCount "70"]
[Termination "normal"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. Bb3 Be6 7. Bc2 a5 8. O-O Bb6 9. h3 h6 10. Re1 O-O 11. Nbd2 Qb8 12. Nf1 Qa7 13. Re2 Nh5 14. N1h2 Rad8 15. Bd2 Ne7 16. Ng4 Ng6 17. Be1 Rfe8 18. a3 Bc8 19. Bb3 Be6 20. Bc2 c6 21. Qc1 Ngf4 22. Rd2 Ng3 23. Bd1 Bb3 24. Kh2 Nf1+ 25. Kg1 Nxd2 26. Qxd2 Bxd1 27. Rxd1 h5 28. Ngh2 d5 29. Nxe5 Nxh3+ 30. gxh3 Rxe5 31. exd5 Rdxd5 32. Nf3 Re6 33. d4 c5 34. Ng5 Rxg5+ 35. Qxg5 Rg6 36. 0-1

[Event "DEM U10 2020"]
[Site "Willingen GER"]
[Date "2020.10.29"]
[Round "4"]
[White "Middendorf, Sven-Jonas"]
[Black "Gulamzada, Elmir"]
[Result "1-0"]
[PlyCount "91"]
[Termination "normal"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. h3 O-O 9. c3 Na5 10. Bc2 c5 11. d4 Qc7 12. d5 Bd7 13. Nbd2 c4 14. Nf1 Nb7 15. Ng3 Nc5 16. Bd2 Rab8 17. b4 cxb3 18. axb3 a5 19. c4 b4 20. Bg5 h6 21. Bd2 Ra8 22. Nh2 Qa7 23. Bxb4 Qb6 24. Bd2 Nh7 25. Qb1 Bh4 26. Nh1 a4 27. bxa4 Qxb1 28. Rexb1 Bxa4 29. Bxa4 Rxa4 30. Rxa4 Nxa4 31. Nf3 Bf6 32. Rc1 Nc5 33. Be3 Nxe4 34. Nd2 Nxd2 35. Bxd2 Bg5 36. Bxg5 Nxg5 37. Ng3 Kh7 38. h4 f5 39. hxg5 hxg5 40. c5 dxc5 41. Rxc5 Kg6 42. Rc6+ Rf6 43. Rxf6+ Kxf6 44. d6 f4 45. Ne4+ Ke6 46. f3 1-0

[Event "DEM U10 2020"]
[Site "Willingen GER"]
[Date "2020.10.28"]
[Round "3"]
[White "Rosenkranz, Lennard"]
[Black "Middendorf, Sven-Jonas"]
[Result "1-0"]
[PlyCount "121"]
[Termination "normal"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O Nf6 5. d4 Bxd4 6. Nxd4 Nxd4 7. Bg5 h6 8. Bh4 d6 9. f4 Be6 10. fxe5 dxe5 11. Bd3 g5 12. Bg3 Bg4 13. Qd2 Nc6 14. Qc3 Qe7 15. Bb5 O-O 16. Bxc6 bxc6 17. Qxc6 Qe6 18. Rxf6 Qxc6 19. Rxc6 f5 20. exf5 Rxf5 21. Na3 Raf8 22. Nc4 Be2 23. Ne3 R5f7 24. Bxe5 Re8 25. Bd4 Rd7 26. Nf5 Rf8 27. Rg6+ Kh7 28. Rxh6+ Kg8 29. Rh8+ Kf7 30. Rxf8+ Kxf8 31. Re1 Bg4 32. Bc5+ Kg8 33. Nh6+ Kg7 34. Nxg4 Rd2 35. c4 Rc2 36. Bd4+ Kg6 37. h3 Kh7 38. Re6 Rc1+ 39. Kh2 Rf1 40. Rh6+ Kg8 41. Rh8+ Kf7 42. Ne5+ Ke7 43. Rg8 Kd6 44. Rxg5 c5 45. Rg6+ Kc7 46. Bxc5 Kb7 47. h4 Rf5 48. Rg5 Rf6 49. Rg7+ Kc8 50. Kh3 Rh6 51. Kg4 Kb8 52. Kg5 Rh8 53. Rf7 Re8 54. Rf8 Kb7 55. Rxe8 Ka6 56. h5 Ka5 57. h6 Ka4 58. Bxa7 Ka5 59. h7 Ka6 60. h8=Q Ka5 61. Qf6 1-0

[Event "DEM U10 2020"]
[Site "Willingen GER"]
[Date "2020.10.28"]
[Round "2"]
[White "Middendorf, Sven-Jonas"]
[Black "Deiringer, Julius"]
[Result "1-0"]
[PlyCount "47"]
[Termination "normal"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 Na5 10. Bc2 Nb7 11. d4 Nd7 12. a4 c6 13. axb5 cxb5 14. Nbd2 Bf6 15. Nf1 Qe7 16. Ne3 Nb6 17. Bb3 Be6 18. Bxe6 Qxe6 19. Nf5 a5 20. Bg5 Nd7 21. d5 Qe8 22. Qd2 Nbc5 23. Qe3 Bd8 24. Nxd6 1-0

[Event "DEM U10 2020"]
[Site "Willingen GER"]
[Date "2020.10.27"]
[Round "1"]
[White "Goldkuhle, Collin"]
[Black "Middendorf, Sven-Jonas"]
[Result "1-0"]
[PlyCount "127"]
[Termination "normal"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. d3 b5 7. Bb3 O-O 8. Bg5 Re8 9. Re1 Bb7 10. Nbd2 d6 11. Nf1 Na5 12. Ne3 c5 13. Bxf6 Bxf6 14. Bd5 Nc6 15. a4 Qd7 16. Qd2 Ne7 17. Bxb7 Qxb7 18. b3 d5 19. exd5 Nxd5 20. Ng4 Nf4 21. Nxf6+ gxf6 22. Qe3 Qc6 23. Qe4 Qe6 24. axb5 Kh8 25. Kh1 Rg8 26. Rg1 Qg4 27. Rxa6 Rxa6 28. bxa6 Qd7 29. Nd2 Qa7 30. Qb7 Qxb7 31. axb7 Rb8 32. Ne4 Rxb7 33. Nxc5 Rc7 34. b4 Nd5 35. Rb1 Kg8 36. c4 Nxb4 37. Rxb4 Rxc5 38. g3 Kf8 39. Kg2 Ke8 40. Kf3 Kd7 41. Ke4 Rc6 42. h4 Ke6 43. d4 exd4 44. Kxd4 Kd6 45. Rb5 Ke6 46. c5 Kd7 47. Rb6 Kc7 48. Rxc6+ Kxc6 49. h5 h6 50. g4 Kc7 51. Kd5 Kd7 52. c6+ Kc8 53. Kd6 Kd8 54. c7+ Kc8 55. f3 f5 56. gxf5 f6 57. f4 Kb7 58. Kd7 Kb6 59. c8=Q Ka7 60. Qc2 Kb6 61. Qc6+ Ka7 62. Qb5 Ka8 63. Kc7 Ka7 64. Qb7# 1-0

[Event "Deutsche Ländermeisterschaft 2020"]
[Site "Berlin GER"]
[Date "2020.10.04"]
[Round "7"]
[White "Middendorf, Sven-Jonas"]
[Black "Göpfert, Gregor"]
[Result "1-0"]
[PlyCount "55"]
[Termination "unterminated"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. O-O Nf6 6. Re1 Be7 7. c3 O-O 8. h3 b5 9. Bc2 Bb7 10. d4 exd4 11. cxd4 Nb4 12. Bb3 c5 13. a3 Nc6 14. Nc3 Qb6 15. Nd5 Qd8 16. Nxe7+ Qxe7 17. e5 Ne8 18. Bg5 Qc7 19. exd6 Qxd6 20. d5 Nc7 21. dxc6 Qxc6 22. Bc2 Rfe8 23. Qd3 g6 24. Rxe8+ Rxe8 25. Re1 Rxe1+ 26. Nxe1 Ne6 27. Bf6 h6 28. Qe3 1-0

[Event "Deutsche Ländermeisterschaft 2020"]
[Site "Berlin GER"]
[Date "2020.09.30"]
[Round "2"]
[White "Besou, Hussain"]
[Black "Middendorf, Sven-Jonas"]
[Result "1-0"]
[PlyCount "109"]
[Termination "normal"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. Qc2 Nbd7 7. O-O Re8 8. Rd1 Bf8 9. b3 g6 10. Bb2 Bg7 11. Nbd2 b6 12. Rac1 Bb7 13. cxd5 Nxd5 14. e4 Nb4 15. Qxc7 Qc8 16. Qf4 Nd3 17. Rxc8 Nxf4 18. Rxe8+ Rxe8 19. gxf4 f5 20. e5 Bh6 21. Rc1 Bd5 22. Rc7 Rd8 23. Ba3 Kf7 24. Nc4 Bxf4 25. Nd6+ Kg8 26. Nb7 Rb8 27. Rxd7 Rxb7 28. Rxb7 Bxb7 29. Ne1 Ba6 30. d5 exd5 31. Bxd5+ Kg7 32. e6 Bb5 33. e7 a5 34. Bb2+ Kh6 35. Nd3 Bg5 36. Ba3 Bxe7 37. Bxe7 Bxd3 38. Bd8 Bb1 39. a4 b5 40. axb5 Bd3 41. b6 Ba6 42. b7 Bxb7 43. Bxb7 g5 44. Bxa5 f4 45. b4 g4 46. Bc7 g3 47. Bxf4+ Kh5 48. Bf3+ Kh4 49. hxg3+ Kh3 50. b5 h5 51. b6 h4 52. b7 hxg3 53. b8=Q gxf2+ 54. Kf1 Kh4 55. Qh8# 1-0

[Event "DVM U10 2019"]
[Site "Magdeburg GER"]
[Date "2019.12.27"]
[Round "1"]
[White "Lichtenegger, Katharina"]
[Black "Middendorf, Sven-Jonas"]
[Result "1-0"]
[Termination "normal"]

1. *

[Event "DEM U10 2019"]
[Site "Willingen GER"]
[Date "2019.06.15"]
[Round "11.27"]
[White "Feidt, Marius"]
[Black "Middendorf, Sven-Jonas"]
[Result "0-1"]
[PlyCount "66"]
[Termination "normal"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bc4 Bc5 5. O-O d6 6. d3 h6 7. Be3 Bb6 8. Nh4 O-O 9. h3 Nxe4 10. Nxe4 Qxh4 11. Qf3 Be6 12. Bb3 Nd4 13. Qd1 d5 14. Nd2 e4 15. dxe4 dxe4 16. Ba4 Nf5 17. Qe2 Nxe3 18. fxe3 f5 19. Rf4 Qxf4 20. Rf1 Qxe3+ 21. Qf2 Qxf2+ 22. Rxf2 Bxf2+ 23. Kxf2 Rad8 24. Nf1 f4 25. Kg1 e3 26. Nh2 Rd1+ 27. Nf1 e2 28. Bb5 Rxf1+ 29. Kh2 e1=Q 30. Bxf1 Qxf1 31. b3 f3 32. Kg3 Qxg2+ 33. Kh4 Qg5# 34. 0-1

[Event "DEM U10 2019"]
[Site "Willingen GER"]
[Date "2019.06.14"]
[Round "9.22"]
[White "Buchinger, Alexis"]
[Black "Middendorf, Sven-Jonas"]
[Result "1-0"]
[PlyCount "55"]
[Termination "normal"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Bd2 Bxd2+ 8. Nbxd2 O-O 9. d5 Ne7 10. Qc2 Ng6 11. e5 Re8 12. O-O Nxe5 13. Nxe5 Rxe5 14. Rae1 Rxe1 15. Rxe1 d6 16. Ne4 Nxe4 17. Qxe4 Bd7 18. Re3 f5 19. Qd4 Qf6 20. Qd2 Re8 21. Rxe8+ Bxe8 22. Qe3 Bf7 23. Qxa7 h6 24. Qxb7 Qd8 25. a4 Be8 26. a5 Bd7 27. a6 Bc8 28. Qb8 1-0

[Event "DEM U10 2019"]
[Site "Willingen GER"]
[Date "2019.06.14"]
[Round "10.24"]
[White "Middendorf, Sven-Jonas"]
[Black "Lumma, Justus"]
[Result "0-1"]
[PlyCount "122"]
[Termination "normal"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. O-O d6 5. h3 Nf6 6. Re1 O-O 7. c3 Be6 8. d4 exd4 9. cxd4 Bb4 10. Bd2 Bxd2 11. Nbxd2 Bd7 12. Rc1 Nb4 13. Bc4 b5 14. a3 Na6 15. Bd3 Re8 16. e5 Nd5 17. Be4 c6 18. Bxd5 cxd5 19. exd6 Qb6 20. Rxe8+ Rxe8 21. Ne5 Qxd6 22. Nxd7 Qxd7 23. Qc2 h6 24. Qc6 Qe6 25. Qxe6 Rxe6 26. Kf1 b4 27. Re1 Rxe1+ 28. Kxe1 Kf8 29. Ke2 bxa3 30. bxa3 Ke7 31. Ke3 Ke6 32. Kf4 Kf6 33. h4 h5 34. Nf1 Nc7 35. Ne3 Ne6+ 36. Kf3 Nxd4+ 37. Kg3 Nf5+ 38. Nxf5 Kxf5 39. Kf3 Ke5 40. Ke3 d4+ 41. Kd3 f6 42. g3 g5 43. a4 a5 44. f3 gxh4 45. gxh4 f5 46. Kc4 Kf4 47. Kxd4 Kxf3 48. Kd3 Kg3 49. Ke3 f4+ 50. Ke2 Kg2 51. Kd3 f3 52. Ke3 f2 53. Kf4 f1=Q+ 54. Kg5 Qf3 55. Kh6 Qg4 56. Kh7 Qxh4 57. Kh6 Qg4 58. Kh7 h4 59. Kh6 h3 60. Kh7 h2 61. Kh8 h1=R# 62. 0-1

[Event "DEM U10 2019"]
[Site "Willingen GER"]
[Date "2019.06.13"]
[Round "8.13"]
[White "Middendorf, Sven-Jonas"]
[Black "Klaska, Philipp Leon"]
[Result "0-1"]
[PlyCount "112"]
[Termination "normal"]

1. e4 c5 2. Nf3 a6 3. Nc3 e6 4. d4 cxd4 5. Nxd4 Qc7 6. Be3 Nf6 7. Be2 Bb4 8. Bd2 Bxc3 9. Bxc3 Nxe4 10. Qd3 Nxc3 11. Qxc3 Qxc3+ 12. bxc3 O-O 13. O-O d5 14. c4 dxc4 15. Bxc4 b5 16. Bb3 Nd7 17. c4 bxc4 18. Bxc4 Nb6 19. Be2 Nd5 20. Bf3 Bd7 21. Rfd1 Rab8 22. Nb3 Nf6 23. Nc5 Bc8 24. Rab1 Rxb1 25. Rxb1 Nd7 26. Nxd7 Bxd7 27. Rb7 Bb5 28. h3 g6 29. Ra7 Rc8 30. Ra8 Rxa8 31. Bxa8 Bc4 32. a3 Bd5 33. Bxd5 exd5 34. Kf1 f6 35. Ke2 Kf7 36. Kd3 Ke6 37. Kd4 Kd6 38. f4 h6 39. a4 a5 40. g4 g5 41. f5 Kc6 42. Kd3 Kc5 43. Kc3 d4+ 44. Kd3 Kd5 45. Kd2 Ke4 46. Ke2 d3+ 47. Kd2 Kd4 48. h4 gxh4 49. g5 hxg5 50. Kd1 h3 51. Ke1 h2 52. Kd2 g4 53. Kd1 h1=Q+ 54. Kd2 Qg2+ 55. Kd1 Qc2+ 56. Ke1 Qe2# 57. 0-1

[Event "DEM U10 2019"]
[Site "Willingen GER"]
[Date "2019.06.12"]
[Round "7.13"]
[White "Burkart, Lloyd Shang"]
[Black "Middendorf, Sven-Jonas"]
[Result "1/2-1/2"]
[PlyCount "72"]
[Termination "normal"]

1. c4 e5 2. g3 Nf6 3. Nc3 Be7 4. Bg2 O-O 5. Nf3 Nc6 6. O-O d6 7. a3 Be6 8. d3 d5 9. cxd5 Nxd5 10. Nxd5 Bxd5 11. b4 a6 12. Bb2 Bf6 13. Rc1 Qd7 14. Qc2 Rfe8 15. Rfd1 Rac8 16. Nd2 Bxg2 17. Kxg2 Nd4 18. Bxd4 exd4 19. Ne4 Qd5 20. Kg1 Be7 21. Qc4 Qxc4 22. Rxc4 Red8 23. Rdc1 c6 24. Nc5 Bxc5 25. Rxc5 Re8 26. Kf1 Rc7 27. R5c4 Rd7 28. a4 f5 29. Rb1 Rd5 30. Rc5 Rxc5 31. bxc5 Re7 32. f4 Kf7 33. Rb4 Rd7 34. a5 Ke6 35. Kf2 Kd5 36. Rc4 Re7 37. 1/2-1/2

[Event "DEM U10 2019"]
[Site "Willingen GER"]
[Date "2019.06.12"]
[Round "6.22"]
[White "Middendorf, Sven-Jonas"]
[Black "Yang, Marco"]
[Result "1-0"]
[PlyCount "107"]
[Termination "normal"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Be2 O-O 8. g4 Nc6 9. g5 Ne8 10. Qd2 f6 11. h4 f5 12. Bc4+ Kh8 13. h5 Ne5 14. Qe2 f4 15. Bd2 f3 16. hxg6 Nxg6 17. Qd3 Ne5 18. Qf1 Qb6 19. Ne6 Bxe6 20. Bxe6 Qxb2 21. Rc1 Ng4 22. Qh3 Nh6 23. Nd1 Qd4 24. gxh6 Qxe4+ 25. Ne3 Bd4 26. Rg1 Bxe3 27. Bxe3 Qb4+ 28. Kf1 Qb5+ 29. c4 Qb2 30. Qxf3 Nc7 31. Qg4 Nxe6 32. Qxe6 Rxf2+ 33. Bxf2 Qxc1+ 34. Kg2 Qg5+ 35. Kh2 Qf4+ 36. Bg3 Qd2+ 37. Rg2 Qg5 38. c5 Qh5+ 39. Qh3 Qxc5 40. Qg4 Rg8 41. Qxg8+ Kxg8 42. Bxd6+ Kf7 43. Bxc5 b6 44. Rg7+ Ke6 45. Bxe7 a5 46. Rxh7 b5 47. Bd8 a4 48. Rb7 b4 49. Rxb4 Kd7 50. Rxa4 Kxd8 51. Ra7 Kc8 52. h7 Kb8 53. Rg7 Kc8 54. h8=R# 1-0

[Event "DEM U10 2019"]
[Site "Willingen GER"]
[Date "2019.06.11"]
[Round "5.23"]
[White "Jumah, Shayan"]
[Black "Middendorf, Sven-Jonas"]
[Result "0-1"]
[PlyCount "172"]
[Termination "normal"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 b5 6. Bb3 Be7 7. O-O d6 8. Bg5 h6 9. Bh4 O-O 10. h3 Re8 11. Nbd2 Bf8 12. Re1 g5 13. Bg3 Bg7 14. Nf1 Na5 15. N1h2 Nxb3 16. axb3 c5 17. Qd2 Bd7 18. c4 b4 19. Ra2 Qc7 20. Rea1 a5 21. Nf1 Nh5 22. Bh2 Rf8 23. Ng3 Nxg3 24. Bxg3 f5 25. exf5 Bxf5 26. Nh2 Ra6 27. f3 Bf6 28. Rf1 h5 29. Be1 Qh7 30. g4 Bxd3 31. Rf2 h4 32. Nf1 Bxf1 33. Rxf1 e4 34. Qd5+ Kh8 35. fxe4 Qf7 36. Qxf7 Rxf7 37. Bf2 Kg7 38. Be3 Re7 39. Rf5 Kg6 40. Ra1 Rxe4 41. Raf1 d5 42. Bxc5 dxc4 43. bxc4 Rxc4 44. Ba7 Bxb2 45. Bb8 Rc1 46. Rxc1 Bxc1 47. Rb5 Bd2 48. Be5 Be3+ 49. Kf1 a4 50. Rxb4 a3 51. Rb1 Rc6 52. Ke2 Rc1 53. Ra1 Rxa1 54. Bxa1 Bc1 55. Kd1 Bb2 56. Bxb2 axb2 57. Kc2 Kf6 58. Kxb2 Ke5 59. Kc2 Kf4 60. Kd2 Kf3 61. Ke1 Kg3 62. Ke2 Kxh3 63. Kf2 Kxg4 64. Kg2 h3+ 65. Kh2 Kf4 66. Kxh3 Kf3 67. Kh2 g4 68. Kg1 Kg3 69. Kf1 Kh2 70. Ke2 g3 71. Kd3 g2 72. Kd4 g1=Q+ 73. Kd5 Qg4 74. Ke5 Kg3 75. Kd5 Qf4 76. Ke6 Qg5 77. Kd6 Qf5 78. Kc6 Qe5 79. Kb7 Qd6 80. Ka7 Qc6 81. Kb8 Qd7 82. Ka8 Kf4 83. Kb8 Ke5 84. Ka8 Kd6 85. Kb8 Kc6 86. Ka8 Qb7# 87. 0-1

[Event "DEM U10 2019"]
[Site "Willingen GER"]
[Date "2019.06.10"]
[Round "3.13"]
[White "Fruth, David"]
[Black "Middendorf, Sven-Jonas"]
[Result "1-0"]
[PlyCount "111"]
[Termination "normal"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. O-O Bd6 6. d4 exd4 7. Qxd4 f6 8. Re1 Ne7 9. e5 fxe5 10. Nxe5 c5 11. Qe3 Rf8 12. Nc3 Rf5 13. Nc4 b5 14. Qe4 Bd7 15. Nxd6+ cxd6 16. Bf4 Rf6 17. Nd5 Rf7 18. Bxd6 Bf5 19. Bxe7 Bxe4 20. Bxd8 Rxd8 21. Rxe4+ Kf8 22. Rae1 g6 23. Nf4 Kg8 24. Re8+ Rxe8 25. Rxe8+ Kg7 26. Nd5 Kh6 27. f3 Rd7 28. Re5 c4 29. Kf2 a5 30. Ke2 b4 31. g4 Rd8 32. Ne3 c3 33. bxc3 bxc3 34. Rd5 Rxd5 35. Nxd5 Kg7 36. Kd3 Kf7 37. Kxc3 Ke6 38. Kc4 h5 39. h3 hxg4 40. hxg4 g5 41. Kd4 a4 42. c4 a3 43. c5 Kd7 44. f4 gxf4 45. g5 f3 46. g6 f2 47. Ne3 Ke6 48. c6 Kf6 49. c7 f1=Q 50. Nxf1 Kxg6 51. c8=Q Kf7 52. Ke5 Kg7 53. Kf5 Kf7 54. Qd7+ Kg8 55. Kg6 Kh8 56. Qc8# 1-0

[Event "DEM U10 2019"]
[Site "Willingen GER"]
[Date "2019.06.10"]
[Round "4.21"]
[White "Middendorf, Sven-Jonas"]
[Black "Huang, Luca Hanson"]
[Result "0-1"]
[PlyCount "56"]
[Termination "normal"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Be3 Nf6 7. Be2 Bb4 8. Qd3 Nxe4 9. Bd2 Nxd2 10. Qxd2 Nc6 11. Nxc6 bxc6 12. Qd4 Bxc3+ 13. Qxc3 O-O 14. Bd3 Bb7 15. O-O-O c5 16. h4 Qf4+ 17. Kb1 Qxf2 18. Rdf1 Qe3 19. Bxh7+ Kxh7 20. Qxe3 Bxg2 21. Rhg1 Bxf1 22. Rxf1 Rac8 23. Qe5 g6 24. h5 d5 25. hxg6+ fxg6 26. Rh1+ Kg8 27. Rh8+ Kf7 28. Qg7+ Kxg7 29. 0-1

[Event "DEM U10 2019"]
[Site "Willingen GER"]
[Date "2019.06.09"]
[Round "1.1"]
[White "Besou, Hussain"]
[Black "Middendorf, Sven-Jonas"]
[Result "1-0"]
[PlyCount "49"]
[Termination "normal"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. Bd3 Bb7 7. O-O Bd6 8. e5 Bxe5 9. Re1 Qe7 10. f4 Qc5+ 11. Kh1 d6 12. fxe5 dxe5 13. Bf4 O-O 14. Bxe5 Qd5 15. Bxf6 gxf6 16. Nc3 Qg5 17. Ne4 Qg7 18. Re3 Kh8 19. Rg3 Qh6 20. Rh3 Qg7 21. Nxf6 h6 22. Qd2 Qxf6 23. Rxh6+ Qxh6 24. Qxh6+ Kg8 25. Qh7# 1-0

[Event "DEM U10 2019"]
[Site "Willingen GER"]
[Date "2019.06.09"]
[Round "2.23"]
[White "Middendorf, Sven-Jonas"]
[Black "Kuhlmann, Nils Magnus"]
[Result "1-0"]
[PlyCount "99"]
[Termination "normal"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Be2 O-O 8. O-O Nc6 9. Nxc6 bxc6 10. Re1 Bb7 11. f3 Qc7 12. Qd2 c5 13. Nb5 Qc6 14. Nc3 Rfd8 15. Bb5 Qc7 16. Rad1 a6 17. Be2 Rab8 18. Qc1 a5 19. Bc4 Bc6 20. b3 Nd7 21. Nd5 Bxd5 22. exd5 Ne5 23. Bf1 c4 24. f4 Ng4 25. Bxc4 Nxe3 26. Qxe3 Re8 27. Qh3 a4 28. Re3 Qc5 29. Kh1 Bh6 30. Rf3 Bg7 31. f5 axb3 32. axb3 Ra8 33. fxg6 fxg6 34. Qe6+ Kh8 35. Rh3 Qd4 36. Qe2 Rf8 37. Rf3 Qb2 38. h3 Be5 39. Rxf8+ Rxf8 40. Rf1 Rxf1+ 41. Qxf1 Kg7 42. Qd1 Kh6 43. Qd2+ g5 44. g4 Qb1+ 45. Kg2 Bf4 46. Qe2 Be5 47. Bd3 Qb2 48. Qe4 Kg7 49. Qxh7+ Kf6 50. Qg6# 1-0

