[Event "GER-ch U12"]
[Site "Willingen"]
[Date "2021.08.29"]
[Round "9"]
[White "Bock, Leonas"]
[Black "Lumma, Justus"]
[Result "0-1"]
[ECO "A80"]
[WhiteElo "1278"]
[BlackElo "1081"]
[PlyCount "44"]
[EventDate "2021.08.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 f5 2. Bg5 h6 3. Bh4 g5 4. Bg3 f4 5. e3 Nf6 6. exf4 gxf4 7. Bxf4 b6 8. Bd3 Rg8 9. Be2 Bg7 10. Bh5+ Kf8 11. Qf3 Nc6 12. g4 Bb7 13. Bg6 Na5 14. Qe3 Nd5 15. Qg3 e6 16. Be4 Qf6 17. Be5 Qg5 18. f4 Qe7 19. a3 Bf6 20. Nd2 Bh4 21. c4 Bxg3+ 22. hxg3 d6 0-1

[Event "GER-ch U12"]
[Site "Willingen"]
[Date "2021.08.28"]
[Round "8"]
[White "Lumma, Justus"]
[Black "Lehmann, Simon"]
[Result "0-1"]
[ECO "B08"]
[WhiteElo "1081"]
[BlackElo "1484"]
[PlyCount "72"]
[EventDate "2021.08.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Bc4 0-0 6. Bb3 c6 7. Be3 b5 8. Qd3 a5 9. a3 Ba6 10. Qd1 Nbd7 11. e5 dxe5 12. dxe5 Ng4 13. e6 Nde5 14. exf7+ Nxf7 15. Ng5 Nge5 16. Qxd8 Rfxd8 17. f4 Nc4 18. Bxc4 bxc4 19. Bb6 Rdb8 20. Na4 Bxb2 21. Ra2 c3 22. Ne6 Bc4 23. Nc7 Bxa2 24. Nxa8 Rxa8 25. 0-0 Nd6 26. Bd4 Nb5 27. Bc5 e6 28. Rd1 Bd5 29. Nb6 Rd8 30. Be7 Re8 31. Bc5 Bxa3 32. Bxa3 Nxa3 33. Ra1 Nxc2 34. Rxa5 Nd4 35. Ra1 c2 36. Kf2 Nb3 0-1

[Event "GER-ch U12"]
[Site "Willingen"]
[Date "2021.08.27"]
[Round "7"]
[White "Lumma, Justus"]
[Black "Quartz, Konstantin"]
[Result "1/2-1/2"]
[ECO "C50"]
[WhiteElo "1081"]
[BlackElo "1027"]
[PlyCount "42"]
[EventDate "2021.08.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. d3 Bc5 4. Nf3 Nc6 5. Nc3 d6 6. h3 Bd7 7. a3 a6 8. 0-0 Qe7 9. Be3 0-0-0 10. b4 Bd4 11. Bxd4 exd4 12. Ne2 Rdg8 13. Nexd4 Nxd4 14. Nxd4 Qe5 15. Nf3 Qh5 16. a4 c6 17. Qe2 d5 18. exd5 cxd5 19. Bxa6 bxa6 20. d4 Qg6 21. Qxa6+ Kd8 1/2-1/2

[Event "GER-ch U12"]
[Site "Willingen"]
[Date "2021.08.26"]
[Round "6"]
[White "Kullmann, Theo"]
[Black "Lumma, Justus"]
[Result "1/2-1/2"]
[ECO "C45"]
[WhiteElo "1590"]
[BlackElo "1081"]
[PlyCount "41"]
[EventDate "2021.08.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Qh4 5. Nc3 Bb4 6. Qd3 Nf6 7. Nxc6 bxc6 8. e5 Ng4 9. g3 Qe7 10. f4 d6 11. h3 Nf6 12. Qc4 dxe5 13. Qxc6+ Nd7 14. Qxa8 exf4+ 15. Be2 0-0 16. Qg2 Re8 17. Bxf4 Bb7 18. Qh2 Bxh1 19. Kf1 Bxc3 20. bxc3 Be4 21. Qf2 1/2-1/2

[Event "GER-ch U12"]
[Site "Willingen"]
[Date "2021.08.26"]
[Round "5"]
[White "Lumma, Justus"]
[Black "Wellssow, Lio Keanu"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "1081"]
[BlackElo "1203"]
[PlyCount "65"]
[EventDate "2021.08.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bd7 6. Be3 Nge7 7. Nbd2 cxd4 8. cxd4 Ng6 9. Bb5 Be7 10. 0-0 0-0 11. Rc1 Rc8 12. Qa4 f6 13. exf6 Bxf6 14. Rfe1 Nb8 15. Nb3 e5 16. dxe5 Nxe5 17. Nbd2 Nc4 18. Nxc4 dxc4 19. Bxd7 Qxd7 20. Rxc4 Rcd8 21. Qb3 Kh8 22. Bxa7 b5 23. Rc5 Qxa7 24. Rxb5 Bd4 25. Rf1 Qd7 26. Ng5 Bxf2+ 27. Kh1 Bh4 28. Rxf8+ Rxf8 29. Rxb8 Qe7 30. Nf7+ Kg8 31. Nh6+ Kh8 32. Qg8+ Rxg8 33. Rxg8# 1-0

[Event "GER-ch U12"]
[Site "Willingen"]
[Date "2021.08.25"]
[Round "4"]
[White "Jumah, Shayan"]
[Black "Lumma, Justus"]
[Result "1-0"]
[ECO "A80"]
[WhiteElo "1275"]
[BlackElo "1081"]
[PlyCount "37"]
[EventDate "2021.08.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 f5 2. Nf3 e6 3. Bf4 Nf6 4. e3 Nc6 5. c3 Be7 6. h3 b6 7. Bd3 Bb7 8. Nbd2 d6 9. 0-0 e5 10. Ng5 exf4 11. Ne6 Qd7 12. Bxf5 Kf7 13. Ng5+ Ke8 14. Bxd7+ Kxd7 15. Nge4 Rhf8 16. Nxf6+ Rxf6 17. Qg4+ Re6 18. d5 Ne5 19. Qxe6+ 1-0

[Event "GER-ch U12"]
[Site "Willingen"]
[Date "2021.08.24"]
[Round "3"]
[White "Lumma, Justus"]
[Black "Rueckel, Felix"]
[Result "1/2-1/2"]
[ECO "C50"]
[WhiteElo "1081"]
[BlackElo "994"]
[PlyCount "72"]
[EventDate "2021.08.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. Nc3 Nf6 5. d3 h6 6. Be3 Bb6 7. a3 d6 8. Qe2 Bg4 9. h3 Bd7 10. Nd5 Bxe3 11. fxe3 Na5 12. Ba2 Nxd5 13. Bxd5 Bc6 14. Ba2 Bd7 15. Qf2 f6 16. Qh4 Qe7 17. 0-0 0-0-0 18. d4 Be6 19. Bxe6+ Qxe6 20. d5 Qf7 21. Qe1 Nc4 22. Qc3 Nb6 23. b4 Qd7 24. Qb3 Qa4 25. Qd3 Qd7 26. c4 Na4 27. Rfc1 c5 28. dxc6 Qxc6 29. Nd2 Nb6 30. Qb3 Kb8 31. a4 Rh7 32. a5 Na8 33. c5 Qb5 34. Qd5 Nc7 35. Qf7 Qd7 36. Qg6 Rhh8 1/2-1/2

[Event "GER-ch U12"]
[Site "Willingen"]
[Date "2021.08.23"]
[Round "1"]
[White "Lumma, Justus"]
[Black "Burkart, Lloyd Shang"]
[Result "0-1"]
[ECO "B21"]
[WhiteElo "1081"]
[BlackElo "1569"]
[PlyCount "42"]
[EventDate "2021.08.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 e6 5. Nf3 a6 6. Bc4 Ne7 7. Bg5 Nbc6 8. 0-0 h6 9. Bh4 g5 10. Bg3 Bg7 11. Bd6 b5 12. Bb3 Bb7 13. Rc1 Nc8 14. e5 g4 15. Nd4 Nxe5 16. Bxe5 Bxe5 17. Qxg4 h5 18. Qd1 Qh4 19. f4 Bxf4 20. g3 Be3+ 21. Rf2 Qxd4 0-1

[Event "GER-ch U12"]
[Site "Willingen"]
[Date "2021.08.23"]
[Round "2"]
[White "Noennig, Jakob1"]
[Black "Lumma, Justus"]
[Result "1-0"]
[ECO "B78"]
[WhiteElo "1442"]
[BlackElo "1081"]
[PlyCount "91"]
[EventDate "2021.08.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Qd2 Nc6 9. Bc4 Bd7 10. 0-0-0 Rc8 11. Bb3 a6 12. g4 b5 13. h4 b4 14. Nb1 Nxd4 15. Bxd4 Be6 16. h5 Bxb3 17. axb3 Qc7 18. hxg6 fxg6 19. Rh2 e5 20. Be3 a5 21. Qd3 Qe7 22. Qxd6 Qf7 23. Qd2 Qxb3 24. Bh6 Bxh6 25. Qxh6 Qxf3 26. Nd2 Qxg4 27. Rhh1 Nh5 28. Rdg1 Qe2 29. Rxh5 Rf1+ 30. Rxf1 Qxh5 31. Qxh5 gxh5 32. Rh1 Rc5 33. Rxh5 a4 34. Rh3 b3 35. c3 Kg7 36. Re3 h5 37. Nf1 Kh6 38. Ng3 h4 39. Nf5+ Kg5 40. Rh3 Rc4 41. Rxh4 a3 42. bxa3 Rxc3+ 43. Kb2 Rf3 44. a4 Rf4 45. Rxf4 exf4 46. Nd4 1-0

[Event "GER-ch U10"]
[Site "Willingen"]
[Date "2019.06.14"]
[Round "9"]
[White "Lumma, Justus"]
[Black "Herrmann, Arthur"]
[Result "1/2-1/2"]
[ECO "C01"]
[WhiteElo "1077"]
[BlackElo "1233"]
[PlyCount "46"]
[EventDate "2019.06.08"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Bd6 5. Nf3 Ne7 6. 0-0 0-0 7. c3 Bf5 8. Re1 Nbc6 9. Qc2 Bxd3 10. Qxd3 Ng6 11. Nbd2 Qd7 12. Nf1 Rfe8 13. Bd2 Nf4 14. Qc2 Qg4 15. Ng3 Ne7 16. Ne5 Bxe5 17. Rxe5 Neg6 18. Bxf4 Nxf4 19. h3 Qd7 20. Rae1 f6 21. Rxe8+ Rxe8 22. Rxe8+ Qxe8 23. Qf5 Qe1+ 1/2-1/2

[Event "GER-ch U10"]
[Site "Willingen"]
[Date "2019.06.14"]
[Round "10"]
[White "Middendorf, Sven Jonas"]
[Black "Lumma, Justus"]
[Result "0-1"]
[ECO "C64"]
[WhiteElo "1452"]
[BlackElo "1077"]
[PlyCount "122"]
[EventDate "2019.06.08"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. 0-0 d6 5. h3 Nf6 6. Re1 0-0 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 f1Q+ 54. Kg5 Qf3 55. Kh6 Qg4 56. Kh7 Qxh4 57. Kh6 Qg4 58. Kh7 h4 59. Kh6 h3 60. Kh7 h2 61. Kh8 h1R# 0-1

[Event "GER-ch U10"]
[Site "Willingen"]
[Date "2019.06.13"]
[Round "8"]
[White "Huang, Luca Hanson"]
[Black "Lumma, Justus"]
[Result "0-1"]
[ECO "C44"]
[WhiteElo "1261"]
[BlackElo "1077"]
[PlyCount "42"]
[EventDate "2019.06.08"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 f6 4. dxe5 fxe5 5. Nc3 Bb4 6. Bd2 Nf6 7. Bd3 d5 8. Qe2 Bg4 9. a3 Ba5 10. b4 Bb6 11. Bg5 Bd4 12. Bxf6 Bxc3+ 13. Kd1 Qxf6 14. Rc1 Nd4 15. Qf1 Bxf3+ 16. gxf3 Qxf3+ 17. Be2 Nxe2 18. Rb1 Ng3+ 19. Kc1 Nxf1 20. Rxf1 Qf4+ 21. Kd1 Qd2# 0-1

[Event "GER-ch U10"]
[Site "Willingen"]
[Date "2019.06.12"]
[Round "7"]
[White "Lumma, Justus"]
[Black "Detjen, Mattes"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "1077"]
[BlackElo "1296"]
[PlyCount "57"]
[EventDate "2019.06.08"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. d6 Qxd6 4. Nf3 Bg4 5. Be2 Nc6 6. Nc3 e5 7. 0-0 Be7 8. d3 0-0 9. Bg5 h6 10. Bh4 Rad8 11. h3 Bh5 12. Qd2 Rfe8 13. Rfe1 e4 14. Nh2 exd3 15. cxd3 Bxe2 16. Rxe2 Qxd3 17. Qxd3 Rxd3 18. Bxf6 gxf6 19. Ng4 Kg7 20. Nb5 Red8 21. Ne3 Nd4 22. Nxd4 R3xd4 23. Nf5+ Kf8 24. Nxd4 Rxd4 25. Rae1 Rd7 26. Re4 b6 27. Rh4 Kg7 28. Kh2 Bd6+ 29. g3 1/2-1/2

[Event "GER-ch U10"]
[Site "Willingen"]
[Date "2019.06.12"]
[Round "6"]
[White "Lumma, Justus"]
[Black "Jumah, Shayan"]
[Result "1/2-1/2"]
[ECO "C01"]
[WhiteElo "1077"]
[BlackElo "1295"]
[PlyCount "50"]
[EventDate "2019.06.08"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Nf6 5. Bg5 Be7 6. Nf3 Bg4 7. 0-0 Nbd7 8. Nbd2 Nf8 9. Re1 Ng6 10. h3 Bh5 11. g4 Bxg4 12. hxg4 Qd6 13. Ne5 b6 14. Nxg6 hxg6 15. Nf3 0-0-0 16. Kg2 Ng8 17. Bxe7 Nxe7 18. Rh1 f6 19. g5 fxg5 20. Nxg5 Qf6 21. Qg4+ Kb8 22. Ne6 Rh5 23. Rxh5 gxh5 24. Qh3 Re8 25. Re1 g6 1/2-1/2

[Event "GER-ch U10"]
[Site "Willingen"]
[Date "2019.06.11"]
[Round "5"]
[White "Feidt, Marius"]
[Black "Lumma, Justus"]
[Result "0-1"]
[ECO "A45"]
[BlackElo "1077"]
[PlyCount "58"]
[EventDate "2019.06.08"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 e6 3. e4 Bb4 4. f3 d5 5. Bg5 h6 6. Bh4 g5 7. Bg3 dxe4 8. fxe4 Nxe4 9. Be5 f6 10. Bg3 Nxc3 11. Qd2 Nd5 12. c3 Ba5 13. b4 Bb6 14. Nf3 g4 15. Nh4 f5 16. Ng6 Rg8 17. Ne5 Nc6 18. Bb5 Bd7 19. 0-0 a6 20. Ba4 Ba7 21. Bb3 Qf6 22. Nc4 0-0-0 23. Be5 Nxe5 24. Nxe5 Qxe5 25. Rfe1 Qf4 26. Qd1 g3 27. Kh1 gxh2 28. Rf1 Qg3 29. Rf3 Qxg2# 0-1

[Event "GER-ch U10"]
[Site "Willingen"]
[Date "2019.06.10"]
[Round "3"]
[White "Lumma, Justus"]
[Black "Theviot, Luca"]
[Result "0-1"]
[ECO "B51"]
[WhiteElo "1077"]
[BlackElo "1276"]
[PlyCount "64"]
[EventDate "2019.06.08"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e5 3. Nf3 Nc6 4. Bb5 d6 5. d3 Be7 6. Bxc6+ bxc6 7. 0-0 Nf6 8. Ng5 h6 9. Nf3 0-0 10. Nh4 Nxe4 11. Nxe4 Bxh4 12. g3 Be7 13. Be3 f5 14. Nc3 f4 15. Bd2 f3 16. Re1 Qd7 17. Re3 Qh3 18. Rxf3 Rxf3 19. Qxf3 Bg4 20. Qxc6 Rf8 21. f4 exf4 22. Bxf4 Rxf4 23. gxf4 Bf3 24. Qe8+ Kh7 25. Kf2 Qg2+ 26. Ke3 Bf6 27. d4 cxd4+ 28. Kd3 dxc3 29. bxc3 Bg4 30. Qb5 Be2+ 31. Kd2 Bxb5+ 32. Ke1 Qe2# 0-1

[Event "GER-ch U10"]
[Site "Willingen"]
[Date "2019.06.10"]
[Round "4"]
[White "Rau, Eduard"]
[Black "Lumma, Justus"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "1221"]
[BlackElo "1077"]
[PlyCount "69"]
[EventDate "2019.06.08"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 Nc6 2. d4 d5 3. e5 f6 4. Nf3 Bg4 5. Bf4 g5 6. Bg3 Qd7 7. h3 Bh5 8. Be2 Bh6 9. Nc3 g4 10. Nd2 f5 11. hxg4 Bxg4 12. f3 f4 13. Bf2 Bf5 14. Nb3 b6 15. Bd3 Nb4 16. Bxf5 Qxf5 17. Nb5 Kd8 18. Na3 Bf8 19. Qd2 e6 20. Qc3 Na6 21. 0-0-0 Nb4 22. Kb1 Qg5 23. Bh4 Qxh4 24. Rxh4 Nh6 25. Nb5 c6 26. Nd6 a5 27. Rxh6 Bxh6 28. Nf7+ Ke7 29. Nxh8 Rxh8 30. a3 Na6 31. Qxc6 Rb8 32. Rh1 Bg7 33. Rxh7 Kf7 34. Qd7+ Kg8 35. Qxg7# 1-0

[Event "GER-ch U10"]
[Site "Willingen"]
[Date "2019.06.09"]
[Round "2"]
[White "Gaertner, Alessandro"]
[Black "Lumma, Justus"]
[Result "1-0"]
[ECO "E61"]
[WhiteElo "1233"]
[BlackElo "1077"]
[PlyCount "47"]
[EventDate "2019.06.08"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. d4 d6 2. c4 g6 3. Nc3 Bg7 4. Bf4 Bf5 5. e3 Nf6 6. Nf3 0-0 7. Be2 Nc6 8. h3 d5 9. 0-0 e6 10. a3 a6 11. c5 b6 12. cxb6 cxb6 13. b4 Qc8 14. Rc1 b5 15. Na2 Qd7 16. Ne5 Nxe5 17. Bxe5 Be4 18. f3 Bf5 19. g4 Bxg4 20. fxg4 Bh6 21. Bxf6 Bxe3+ 22. Kg2 Bxc1 23. Qxc1 Rfc8 24. Qh6 1-0

[Event "GER-ch U10"]
[Site "Willingen"]
[Date "2019.06.09"]
[Round "1"]
[White "Lumma, Justus"]
[Black "Kullmann, Theo"]
[Result "0-1"]
[ECO "C45"]
[WhiteElo "1077"]
[BlackElo "1465"]
[PlyCount "50"]
[EventDate "2019.06.08"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nxd4 Bc5 6. Nxc6 bxc6 7. Bd3 0-0 8. Bg5 h6 9. Bh4 Be7 10. 0-0 Nxe4 11. Bxe7 Nxc3 12. Bxd8 Nxd1 13. Be7 Nxb2 14. Bxf8 Kxf8 15. Rab1 Na4 16. Rfe1 d5 17. Rb4 Nc3 18. a3 c5 19. Rb3 Na4 20. Bb5 Be6 21. Bxa4 c4 22. Rbe3 d4 23. Rg3 Rb8 24. Re4 Rb1+ 25. Re1 Rxe1# 0-1

