[Event "GER-chT U12"]
[Site "Verden an der Aller"]
[Date "2002.12.30"]
[Round "7.2"]
[White "Gorodetski, Boris"]
[Black "Jahner, Lukas"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "1304"]
[BlackElo "1256"]
[PlyCount "181"]
[EventDate "2002.12.27"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 092 Extra"]
[Source "ChessBase"]
[SourceDate "2003.03.07"]
[SourceVersion "1"]
[SourceVersionDate "2003.03.07"]
[SourceQuality "1"]

1. d4 d5 2. e3 Bf5 3. Bd3 e6 4. f4 Bxd3 5. Qxd3 Nc6 6. c3 Be7 7. Nf3 Nf6 8. Nbd2 a6 9. 0-0 0-0 10. Ne5 Nxe5 11. fxe5 Ng4 12. Qe2 Nh6 13. e4 Kh8 14. Nf3 dxe4 15. Qxe4 Qd5 16. Qd3 Nf5 17. Bg5 h6 18. Bxe7 Nxe7 19. b3 Rad8 20. Rad1 c6 21. Rf2 Rc8 22. Qe2 Kg8 23. Rd3 Rc7 24. Qd1 Rd8 25. Qf1 Rf8 26. Rfd2 Rd8 27. Kh1 Rcc8 28. Ne1 Rc7 29. Rg3 Nf5 30. Rf3 Rcd7 31. Nc2 Nh4 32. Rh3 Ng6 33. Ne3 Qa5 34. Ng4 Re7 35. Qf3 Qd5 36. Qf1 Qa5 37. Qf2 Qd5 38. Rxh6 gxh6 39. Nf6+ Kg7 40. Nxd5 cxd5 41. h3 Rc8 42. Rd3 Rec7 43. Kh2 Rxc3 44. Rxc3 Rxc3 45. Qf6+ Kg8 46. Qd8+ Kg7 47. Qb6 Rc2 48. Qb4 Rxa2 49. Qe1 Rb2 50. Qc3 Rb1 51. Qb4 b5 52. Qa3 a5 53. Qa2 Rd1 54. Qxa5 Rxd4 55. Qxb5 Re4 56. Qa5 Rxe5 57. b4 d4 58. b5 d3 59. Qc3 d2 60. Qxd2 Rxb5 61. h4 Rf5 62. Qb2+ Kg8 63. Qd2 Kg7 64. Qc3+ Kg8 65. g3 Kh7 66. g4 Rf2+ 67. Kg3 Rf1 68. h5 Rg1+ 69. Kh2 Rxg4 70. hxg6+ Rxg6 71. Qc7 Kg7 72. Qe5+ Kg8 73. Kh3 Kh7 74. Kh4 Kg8 75. Qb8+ Kg7 76. Qd8 Kh7 77. Qf8 Rg7 78. Kh5 Rg5+ 79. Kh4 Rg7 80. Qd8 Rg6 81. Qf8 Rg7 82. Qe8 Kg6 83. Qd7 Kh7 84. Qd3+ Rg6 85. Qf3 Kg7 86. Qc3+ Kg8 87. Qe5 Kh7 88. Qd6 Kg7 89. Qe5+ Kg8 90. Qb8+ Kg7 91. Qc8 1/2-1/2

[Event "GER-chT U12"]
[Site "Verden an der Aller"]
[Date "2002.12.29"]
[Round "6.2"]
[White "Jahner, Lukas"]
[Black "Foerschner, Lucas"]
[Result "1/2-1/2"]
[ECO "E12"]
[WhiteElo "1256"]
[BlackElo "1375"]
[PlyCount "66"]
[EventDate "2002.12.27"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 092 Extra"]
[Source "ChessBase"]
[SourceDate "2003.03.07"]
[SourceVersion "1"]
[SourceVersionDate "2003.03.07"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. Nf3 Nbd7 6. e3 0-0 7. Bd3 dxc4 8. Bxc4 b6 9. 0-0 Bb7 10. Rc1 c5 11. dxc5 Nxc5 12. a3 Rc8 13. Qxd8 Rfxd8 14. Rfd1 Bxf3 15. Rxd8+ Bxd8 16. gxf3 Ncd7 17. Bb3 Ne5 18. Kg2 Ng6 19. Rc2 h6 20. Bxf6 Bxf6 21. Ne4 Rxc2 22. Nxf6+ gxf6 23. Bxc2 Kf8 24. f4 Ke7 25. Kf3 f5 26. b4 f6 27. Ke2 Kd6 28. Kd2 Nh4 29. Bd1 e5 30. fxe5+ fxe5 31. Kd3 b5 32. h3 Kc7 33. a4 a6 1/2-1/2

[Event "GER-chT U12"]
[Site "Verden an der Aller"]
[Date "2002.12.29"]
[Round "5.2"]
[White "Mader, Manuela"]
[Black "Jahner, Lukas"]
[Result "1/2-1/2"]
[ECO "C55"]
[WhiteElo "1608"]
[BlackElo "1256"]
[PlyCount "194"]
[EventDate "2002.12.27"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 092 Extra"]
[Source "ChessBase"]
[SourceDate "2003.03.07"]
[SourceVersion "1"]
[SourceVersionDate "2003.03.07"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. 0-0 d6 5. c3 Be6 6. Bxe6 fxe6 7. d3 Nf6 8. Nbd2 0-0 9. Re1 Qd7 10. Nf1 Qe8 11. Ng3 Qg6 12. Ng5 Nd7 13. Qg4 Bxg5 14. Qxg5 Qxg5 15. Bxg5 h6 16. Be3 Nf6 17. h3 Rad8 18. Rad1 Rf7 19. Rd2 Rfd7 20. Red1 d5 21. exd5 exd5 22. d4 e4 23. Ne2 g5 24. Rf1 Re8 25. h4 Rg7 26. hxg5 hxg5 27. Ng3 Ne7 28. Re2 c6 29. f3 exf3 30. Rxf3 Ng4 31. Bd2 a6 32. Nf5 Nxf5 33. Rxe8+ Kf7 34. Re1 Kg6 35. Ref1 Rf7 36. g3 Rf6 37. Kg2 Rf7 38. Kh3 Ngh6 39. g4 Nd6 40. Rxf7 Nhxf7 41. Be1 Ne4 42. b3 Ned6 43. a3 Nb5 44. a4 Nbd6 45. Bg3 Ne4 46. Be1 Ned6 47. Bg3 Ne4 48. Be1 Kg7 49. Kg2 Kg6 50. Kh3 Kg7 51. Kg2 Kg6 52. Kh3 Ned6 53. Bg3 Ne4 54. Be1 Kg7 55. Kg2 Ned6 56. Kh3 Kg6 57. Bg3 Ne4 58. Be1 Kg7 59. Kg2 Kg8 60. Kh3 Kg7 61. Kg2 Nf6 62. Kh3 Ne4 63. Kg2 Nfd6 64. Kh3 Ne8 65. Kg2 N8f6 66. Kf3 Kg6 67. Rh1 Kg7 68. Rf1 Ne8 69. Kg2 N8d6 70. Kh3 Nf7 71. Kg2 Ned6 72. Bg3 Ne4 73. Be1 Ned6 74. Bg3 Ne4 75. Be1 Ned6 76. Bg3 Ne8 77. Re1 Kf8 78. Be5 Kg8 79. Rf1 Nh6 80. Kg3 Nf7 81. Rf5 Ng7 82. Bxg7 Kxg7 83. Kf3 Kg6 84. Kg3 Kg7 85. Kf3 Kf8 86. Kg3 Ke7 87. c4 dxc4 88. bxc4 Ke6 89. d5+ cxd5 90. cxd5+ Ke7 91. Kf3 b6 92. Ke3 b5 93. axb5 axb5 94. Kd4 b4 95. Rf3 Nh6 96. Rb3 Nxg4 97. Rxb4 Nf6 1/2-1/2

[Event "GER-chT U12"]
[Site "Verden an der Aller"]
[Date "2002.12.28"]
[Round "3.2"]
[White "Cortes, Lars"]
[Black "Jahner, Lukas"]
[Result "0-1"]
[ECO "D35"]
[WhiteElo "1218"]
[BlackElo "1256"]
[PlyCount "86"]
[EventDate "2002.12.27"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 092 Extra"]
[Source "ChessBase"]
[SourceDate "2003.03.07"]
[SourceVersion "1"]
[SourceVersionDate "2003.03.07"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Bb4 4. Bf4 Nf6 5. Qb3 Bxc3+ 6. bxc3 0-0 7. cxd5 Nxd5 8. Bg3 b6 9. Nf3 Bb7 10. e3 Nd7 11. Bh4 N5f6 12. Be2 Rc8 13. 0-0 c5 14. Ne5 cxd4 15. cxd4 Rc7 16. Nxd7 Qxd7 17. Bxf6 gxf6 18. Rfd1 Rfc8 19. Bd3 Qd5 20. e4 Qxd4 21. Bb1 Qxa1 22. Qg3+ Kh8 23. h3 Bxe4 24. Kh2 Bxb1 25. h4 Qe5 26. Qxe5 fxe5 27. Rxb1 Rc2 28. Re1 Rxf2 29. Rxe5 Rcc2 30. Rg5 Rxa2 31. h5 a5 32. h6 a4 33. Rg3 a3 34. Kh3 Rxg2 35. Rb3 Rh2+ 36. Kg3 Rag2+ 37. Kf3 Rh3+ 38. Kxg2 Rxb3 39. Kf2 a2 40. Ke2 a1R 41. Kd2 Ra2+ 42. Kc1 Rbb2 43. Kd1 Ra1# 0-1

[Event "GER-chT U12"]
[Site "Verden an der Aller"]
[Date "2002.12.28"]
[Round "4.2"]
[White "Jahner, Lukas"]
[Black "Hofmann, Benjamin"]
[Result "1/2-1/2"]
[ECO "B08"]
[WhiteElo "1256"]
[BlackElo "1573"]
[PlyCount "102"]
[EventDate "2002.12.27"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 092 Extra"]
[Source "ChessBase"]
[SourceDate "2003.03.07"]
[SourceVersion "1"]
[SourceVersionDate "2003.03.07"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Bc4 Nf6 5. Nc3 0-0 6. 0-0 Nxe4 7. Nxe4 d5 8. Bxd5 Qxd5 9. Ng3 Bg4 10. c3 Nc6 11. h3 Bxf3 12. Qxf3 Qxf3 13. gxf3 Rad8 14. Bf4 e5 15. dxe5 Nxe5 16. Bxe5 Bxe5 17. Rad1 Bg7 18. Rfe1 Rxd1 19. Rxd1 Re8 20. Ne4 Kf8 21. Kf1 b6 22. b3 h6 23. c4 f5 24. Ng3 Bf6 25. Ne2 Rd8 26. Rxd8+ Bxd8 27. Nf4 g5 28. Ne6+ Ke7 29. Nxd8 Kxd8 30. f4 Ke7 31. fxg5 hxg5 32. f4 g4 33. hxg4 fxg4 34. Kf2 Kf6 35. Kg3 Kf5 36. b4 c6 37. a4 a6 38. b5 axb5 39. cxb5 c5 40. a5 c4 41. axb6 c3 42. b7 c2 43. b8Q c1Q 44. Qe5+ Kg6 45. Qe6+ Kg7 46. Qxg4+ Kf7 47. Qd7+ Kf8 48. Qd6+ Kf7 49. Qd5+ Ke7 50. Qg5+ Kf7 51. Qh5+ Kg7 1/2-1/2

[Event "GER-chT U12"]
[Site "Verden an der Aller"]
[Date "2002.12.27"]
[Round "1.2"]
[White "Ehmer, Fabian"]
[Black "Jahner, Lukas"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "1567"]
[BlackElo "1407"]
[PlyCount "47"]
[EventDate "2002.12.27"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 092 Extra"]
[Source "ChessBase"]
[SourceDate "2003.03.07"]
[SourceVersion "1"]
[SourceVersionDate "2003.03.07"]
[SourceQuality "1"]

1. g3 e5 2. Bg2 Bc5 3. c3 d5 4. d4 exd4 5. cxd4 Bb4+ 6. Nc3 c6 7. Qb3 Bxc3+ 8. bxc3 Nd7 9. Nf3 Nb6 10. Nd2 Be6 11. Ba3 Ne7 12. 0-0 0-0 13. Qb4 Re8 14. e4 dxe4 15. Bxe4 Bd5 16. f3 Be6 17. Qb1 g6 18. Bxe7 Rxe7 19. Re1 Qd7 20. Bd3 Rae8 21. Qc2 Qd6 22. a4 c5 23. Ne4 Qd5 24. Nf6+ 1-0

[Event "GER-chT U12"]
[Site "Verden an der Aller"]
[Date "2002.12.27"]
[Round "2.2"]
[White "Jahner, Lukas"]
[Black "Merx, Tim"]
[Result "1/2-1/2"]
[ECO "D24"]
[WhiteElo "1256"]
[BlackElo "1052"]
[PlyCount "38"]
[EventDate "2002.12.27"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 092 Extra"]
[Source "ChessBase"]
[SourceDate "2003.03.07"]
[SourceVersion "1"]
[SourceVersionDate "2003.03.07"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. e3 Nf6 4. Bxc4 Bf5 5. Nc3 e6 6. Nf3 Bb4 7. a3 Bxc3+ 8. bxc3 0-0 9. 0-0 Bg4 10. h3 Bh5 11. Be2 Nc6 12. Nd2 Bxe2 13. Qxe2 Re8 14. Bb2 Qd7 15. Nf3 Ne4 16. Rfd1 f6 17. Nd2 Nxd2 18. Rxd2 Red8 19. Rad1 Qd6 1/2-1/2

[Event "GER-ch U12"]
[Site "Winterberg"]
[Date "2002.05.25"]
[Round "11"]
[White "Jahner, Lukas"]
[Black "Wapenhans, Alexander"]
[Result "1/2-1/2"]
[ECO "C44"]
[WhiteElo "1328"]
[BlackElo "1507"]
[PlyCount "128"]
[EventDate "2002.05.19"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 088 Extra"]
[Source "ChessBase"]
[SourceDate "2002.07.01"]
[SourceVersion "2"]
[SourceVersionDate "2002.07.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. d3 Nc6 4. Be3 d5 5. exd5 Nxd5 6. Bd2 Bc5 7. Nc3 0-0 8. g3 Re8 9. Bg2 e4 10. dxe4 Nxc3 11. Bxc3 Rxe4+ 12. Kf1 Qxd1+ 13. Rxd1 Bg4 14. Ng5 Re7 15. Re1 Rxe1+ 16. Kxe1 Re8+ 17. Kf1 Re2 18. Ne4 Rxc2 19. Nxc5 Rc1+ 20. Be1 Rxc5 21. Bc3 b5 22. a3 a5 23. f3 Be6 24. Ke2 b4 25. axb4 axb4 26. Bd2 Rc2 27. Rc1 Nd4+ 28. Kd3 Rxd2+ 29. Kxd2 Nb3+ 30. Kc2 Nxc1 31. Kxc1 c5 32. Kd2 f5 33. f4 Kf7 34. Ke3 Kf6 35. Bf1 Ke7 36. h4 Kd6 37. Kd3 Kd5 38. Bg2+ Kd6 39. Bf1 Kc6 40. Bg2+ Bd5 41. Bf1 Kb5 42. Kd2+ c4 43. Kc2 Be4+ 44. Kd2 Kc5 45. Ke3 b3 46. Kd2 Kd4 47. Be2 g6 48. Bd1 c3+ 49. bxc3+ Kc4 50. Be2+ Kc5 51. Kc1 Bd5 52. Kb2 Bc4 53. Bd1 Bb5 54. Bxb3 Be8 55. Kc2 Kd6 56. Kd3 Kc5 57. Ke3 h6 58. Kd3 Bb5+ 59. Ke3 Be8 60. Kd3 Bb5+ 61. c4 Bc6 62. Kc3 Bd7 63. Bc2 Be8 64. Bd3 h5 1/2-1/2

[Event "GER-ch U12"]
[Site "Winterberg"]
[Date "2002.05.24"]
[Round "10"]
[White "Jahner, Lukas"]
[Black "Heistermann, Till"]
[Result "1/2-1/2"]
[ECO "E12"]
[WhiteElo "1328"]
[BlackElo "1483"]
[PlyCount "73"]
[EventDate "2002.05.19"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 088 Extra"]
[Source "ChessBase"]
[SourceDate "2002.07.01"]
[SourceVersion "2"]
[SourceVersionDate "2002.07.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Be7 5. Bg5 0-0 6. e3 b6 7. cxd5 exd5 8. Bd3 Bb7 9. 0-0 Nbd7 10. a3 h6 11. Bh4 c5 12. Re1 Re8 13. Nb5 a6 14. Bxf6 Nxf6 15. Nc3 c4 16. Bc2 Bd6 17. Nd2 Qc7 18. h3 Re7 19. Nf3 Rae8 20. Qd2 b5 21. b4 Bc8 22. Kh1 Bd7 23. Rab1 Qc8 24. Ng1 Bf5 25. Rb2 Bxc2 26. Rxc2 Qf5 27. Nf3 Ne4 28. Nxe4 Qxe4 29. Rcc1 Re6 30. Qc2 Qxc2 31. Rxc2 Ra8 32. Rcc1 a5 33. Ra1 axb4 34. axb4 Ree8 35. Reb1 Rxa1 36. Rxa1 Bxb4 37. Rb1 1/2-1/2

[Event "GER-ch U12"]
[Site "Winterberg"]
[Date "2002.05.23"]
[Round "9"]
[White "Armbruester, Clemens"]
[Black "Jahner, Lukas"]
[Result "0-1"]
[ECO "C55"]
[WhiteElo "1292"]
[BlackElo "1328"]
[PlyCount "162"]
[EventDate "2002.05.19"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 088 Extra"]
[Source "ChessBase"]
[SourceDate "2002.07.01"]
[SourceVersion "2"]
[SourceVersionDate "2002.07.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. Nc3 h6 5. d3 Nf6 6. h3 d6 7. 0-0 0-0 8. Be3 Be6 9. Bb3 a6 10. Nd5 Bxd5 11. exd5 Na5 12. c4 Nxb3 13. axb3 b6 14. Qc2 Nd7 15. d4 f5 16. dxe5 dxe5 17. Bd2 Qc8 18. Rfe1 e4 19. Nd4 Ne5 20. Re2 Qd7 21. Ne6 Rfc8 22. Qc3 Bf6 23. Qg3 Nd3 24. Bc3 Bxc3 25. bxc3 c6 26. Rc2 cxd5 27. cxd5 Nc5 28. Nxc5 Rxc5 29. c4 b5 30. Qe3 Rac8 31. Qd4 Qd6 32. Rac1 Kf7 33. Qe3 Kf6 34. f3 exf3 35. Qxf3 bxc4 36. bxc4 Qb6 37. Qc3+ Kf7 38. Qe3 Qd6 39. Qd4 Qf6 40. Qxf6+ Kxf6 41. Kf2 g5 42. g3 a5 43. Ke3 h5 44. Kd4 R5c7 45. Ra2 Re7 46. Rxa5 Re4+ 47. Kd3 Ke5 48. d6+ Ke6 49. c5 Re5 50. Kd4 Rd5+ 51. Ke3 Rxd6 52. cxd6 Rxc1 53. d7 Rd1 54. Ra7 Rxd7 55. Ra8 Re7 56. Rh8 Kf6+ 57. Kf3 Kg6 58. g4 h4 59. gxf5+ Kxf5 60. Rf8+ Kg6 61. Rg8+ Rg7 62. Rxg7+ Kxg7 63. Ke4 Kf6 64. Kf3 Kf5 65. Kg2 Kf4 66. Kf2 Ke4 67. Ke2 Ke5 68. Ke3 Ke6 69. Ke4 Kf6 70. Kf3 Kf5 71. Kg2 Ke4 72. Kf2 Kf4 73. Kg2 Ke3 74. Kh2 Kf3 75. Kg1 Kg3 76. Kh1 Kxh3 77. Kg1 Kg3 78. Kh1 h3 79. Kg1 Kf3 80. Kh1 g4 81. Kh2 g3+ 0-1

[Event "GER-ch U12"]
[Site "Winterberg"]
[Date "2002.05.23"]
[Round "8"]
[White "Jahner, Lukas"]
[Black "Koernlein, Daniel"]
[Result "0-1"]
[ECO "D45"]
[WhiteElo "1328"]
[BlackElo "1554"]
[PlyCount "78"]
[EventDate "2002.05.19"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 088 Extra"]
[Source "ChessBase"]
[SourceDate "2002.07.01"]
[SourceVersion "2"]
[SourceVersionDate "2002.07.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 Nf6 5. e3 Bd6 6. c5 Bc7 7. Bd3 0-0 8. 0-0 Nbd7 9. Re1 e5 10. dxe5 Nxe5 11. Nxe5 Bxe5 12. Bd2 Ne4 13. Nxe4 dxe4 14. Bxe4 Qh4 15. f4 Bxb2 16. Rb1 Bf6 17. g3 Qh3 18. Qc2 h5 19. Rf1 Qe6 20. Bf3 h4 21. Kf2 Rd8 22. Rfe1 b6 23. Rbc1 Ba6 24. a4 Rab8 25. Bc3 Bd3 26. Qd2 Bb5 27. Qc2 Bxc3 28. Qxc3 Bxa4 29. cxb6 axb6 30. Qb4 Bb5 31. Red1 Qa2+ 32. Kg1 Qe6 33. Kf2 Ra8 34. Rxd8+ Rxd8 35. Qb2 Rd3 36. Re1 Qd7 37. Re2 Rd1 38. Rc2 Rf1+ 39. Kg2 h3# 0-1

[Event "GER-ch U12"]
[Site "Winterberg"]
[Date "2002.05.22"]
[Round "7"]
[White "Koelsch, Maximilian"]
[Black "Jahner, Lukas"]
[Result "0-1"]
[ECO "A05"]
[WhiteElo "1235"]
[BlackElo "1328"]
[PlyCount "122"]
[EventDate "2002.05.19"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 088 Extra"]
[Source "ChessBase"]
[SourceDate "2002.07.01"]
[SourceVersion "2"]
[SourceVersionDate "2002.07.01"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 b6 4. 0-0 Bb7 5. d3 e6 6. Nbd2 g6 7. b3 Bg7 8. Bb2 Nbd7 9. Re1 0-0 10. e4 dxe4 11. dxe4 Nc5 12. e5 Nfd7 13. Nc4 Rb8 14. Nfd2 Bxg2 15. Kxg2 c6 16. Nd6 Nb7 17. Rb1 Ndc5 18. N2e4 Nxd6 19. Nxd6 Nb7 20. Ba3 c5 21. Nxb7 Rxb7 22. Qxd8 Rxd8 23. Bxc5 bxc5 24. c4 a5 25. Kg1 Rbd7 26. f4 Rd2 27. a3 Kf8 28. Rec1 Ke7 29. b4 axb4 30. axb4 cxb4 31. Rxb4 Rc8 32. Rb7+ Rd7 33. Rb3 Rdc7 34. Rbc3 Rc5 35. Kf2 f6 36. exf6+ Bxf6 37. R3c2 e5 38. fxe5 Bxe5 39. Ke3 Ke6 40. Ke4 h5 41. Kd3 Rb8 42. Re1 Rb4 43. Rf1 Rb6 44. Kd2 Rb2 45. Rfc1 Rxc4 46. Kd3 Rbxc2 47. Rxc2 Rxc2 48. Kxc2 Kf5 49. Kd3 Kg4 50. Ke4 Bxg3 51. hxg3 Kxg3 52. Ke5 h4 53. Kf6 h3 54. Kxg6 h2 55. Kf5 h1Q 56. Ke5 Qh4 57. Kf5 Qd4 58. Ke6 Kf4 59. Ke7 Kf5 60. Ke8 Kf6 61. Kf8 Qd8# 0-1

[Event "GER-ch U12"]
[Site "Winterberg"]
[Date "2002.05.21"]
[Round "6"]
[White "Jahner, Lukas"]
[Black "Weber, Max1111"]
[Result "0-1"]
[ECO "A43"]
[WhiteElo "1328"]
[BlackElo "1531"]
[PlyCount "78"]
[EventDate "2002.05.19"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 088 Extra"]
[Source "ChessBase"]
[SourceDate "2002.07.01"]
[SourceVersion "2"]
[SourceVersionDate "2002.07.01"]
[SourceQuality "1"]

1. d4 c5 2. e3 cxd4 3. exd4 d6 4. Nf3 g6 5. Nc3 Bg7 6. Bf4 Nf6 7. Bc4 a6 8. 0-0 b5 9. Bb3 Bb7 10. Re1 0-0 11. Qd2 Bxf3 12. gxf3 Re8 13. Nd5 Nbd7 14. c3 Nb6 15. Nxb6 Qxb6 16. Kg2 Rab8 17. Re2 Rb7 18. Rae1 Qd8 19. Bg3 a5 20. Qf4 b4 21. Bh4 e6 22. Bg3 d5 23. Qd2 Qb6 24. Qc2 Rc8 25. Qd2 bxc3 26. bxc3 Nh5 27. Re3 Bh6 28. f4 Bxf4 29. Bxf4 Nxf4+ 30. Kh1 Nh5 31. Re5 Nf6 32. Rb1 Qc7 33. Re3 Ne4 34. Qb2 a4 35. Qc2 axb3 36. Rxb3 Rxb3 37. axb3 Nxc3 38. Rf3 Ne4 39. Qxc7 Rxc7 0-1

[Event "GER-ch U12"]
[Site "Winterberg"]
[Date "2002.05.20"]
[Round "5"]
[White "Fischer, Benjamin"]
[Black "Jahner, Lukas"]
[Result "1/2-1/2"]
[ECO "D53"]
[WhiteElo "1524"]
[BlackElo "1328"]
[PlyCount "52"]
[EventDate "2002.05.19"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 088 Extra"]
[Source "ChessBase"]
[SourceDate "2002.07.01"]
[SourceVersion "2"]
[SourceVersionDate "2002.07.01"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. Bg5 Be7 5. Nc3 Nbd7 6. e3 b6 7. cxd5 exd5 8. Bd3 Bb7 9. 0-0 Ne4 10. Bxe7 Qxe7 11. Nb5 Ndf6 12. Rc1 c6 13. Nc3 0-0 14. Ne5 Rac8 15. f3 Nd6 16. e4 Nd7 17. Nxd7 Qxd7 18. e5 Nf5 19. Re1 Nxd4 20. Bxh7+ Kxh7 21. Qxd4 Rfe8 22. Qh4+ Kg8 23. f4 Re6 24. Qg4 Qe7 25. Rc2 Re8 26. Rce2 Ba6 1/2-1/2

[Event "GER-ch U12"]
[Site "Winterberg"]
[Date "2002.05.20"]
[Round "4"]
[White "Jahner, Lukas"]
[Black "Kuehn, Carmen"]
[Result "1-0"]
[ECO "D10"]
[WhiteElo "1328"]
[BlackElo "1118"]
[PlyCount "141"]
[EventDate "2002.05.19"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 088 Extra"]
[Source "ChessBase"]
[SourceDate "2002.07.01"]
[SourceVersion "2"]
[SourceVersionDate "2002.07.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. e3 b5 4. Nc3 c6 5. Nf3 Bf5 6. a4 a6 7. Bd2 Nf6 8. g3 e6 9. Bg2 Bd6 10. axb5 Ne4 11. Nxe4 Bxe4 12. bxa6 Rxa6 13. 0-0 0-0 14. Rxa6 Nxa6 15. Qa4 Nc7 16. Qxc4 Qb8 17. Bc3 Qb5 18. Qxb5 Nxb5 19. Nd2 Bd5 20. Bxd5 cxd5 21. Ra1 Nxc3 22. bxc3 Rc8 23. Rc1 Kf8 24. c4 Ke7 25. c5 Bb8 26. Kg2 g5 27. Rh1 f5 28. h4 g4 29. Rb1 Bc7 30. h5 Rb8 31. Rxb8 Bxb8 32. f3 Kf6 33. f4 Kg7 34. Nb1 Kh6 35. Na3 Kxh5 36. Nb5 Kg6 37. c6 Kf7 38. c7 Bxc7 39. Nxc7 h5 40. Nb5 Kg6 41. Nc3 Kf6 42. Nb1 Ke7 43. Na3 Kd7 44. Nc2 Kc6 45. Kf2 Kb5 46. Ne1 Kc6 47. Ke2 Kb5 48. Ng2 Kc6 49. Kd3 Kd7 50. Kc3 Kd6 51. Kb4 Kc6 52. Ka5 Kc7 53. Kb5 Kd6 54. Kb6 Kd7 55. Nh4 Ke7 56. Kc7 Kf7 57. Kd7 Kf6 58. Ke8 Kg7 59. Ke7 Kg8 60. Kxe6 Kf8 61. Kxd5 Ke7 62. Ke5 Kf7 63. d5 Ke7 64. Kxf5 Kd6 65. e4 Ke7 66. e5 Kd7 67. e6+ Ke7 68. d6+ Kd8 69. Kf6 Ke8 70. d7+ Kd8 71. e7+ 1-0

[Event "GER-ch U12"]
[Site "Winterberg"]
[Date "2002.05.20"]
[Round "3"]
[White "Wortmann, Jonas"]
[Black "Jahner, Lukas"]
[Result "1-0"]
[ECO "D07"]
[WhiteElo "1518"]
[BlackElo "1328"]
[PlyCount "39"]
[EventDate "2002.05.19"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 088 Extra"]
[Source "ChessBase"]
[SourceDate "2002.07.01"]
[SourceVersion "2"]
[SourceVersionDate "2002.07.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 Nxd5 5. Nf3 Nc6 6. e4 Nxc3 7. bxc3 a6 8. Bd3 Be7 9. 0-0 b6 10. Qc2 Bb7 11. Ne1 0-0 12. f4 Bd6 13. e5 Be7 14. Bxh7+ Kh8 15. Be4 Nxd4 16. Qd3 Bxe4 17. Qxe4 Bc5 18. Kh1 Nb5 19. Rf3 Qe7 20. Rh3+ 1-0

[Event "GER-ch U12"]
[Site "Winterberg"]
[Date "2002.??.??"]
[Round "2"]
[White "Jahner, Lukas"]
[Black "Ludwig, Lisa"]
[Result "1-0"]
[ECO "E61"]
[WhiteElo "1328"]
[BlackElo "945"]
[PlyCount "79"]
[EventDate "2002.05.19"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 088 Extra"]
[Source "ChessBase"]
[SourceDate "2002.07.01"]
[SourceVersion "2"]
[SourceVersionDate "2002.07.01"]
[SourceQuality "1"]

1. d4 d6 2. c4 Nf6 3. Nf3 g6 4. Nc3 Bg7 5. e3 0-0 6. Bd3 Nbd7 7. 0-0 e5 8. Re1 Re8 9. b3 e4 10. Nxe4 Nxe4 11. Bb2 Ndc5 12. dxc5 Bxb2 13. Rb1 Bg7 14. cxd6 Qxd6 15. Qc2 Nc5 16. Rbd1 Qf6 17. Rd2 Bg4 18. Be2 Ne4 19. Rd4 Bxf3 20. Bxf3 Ng5 21. Bxb7 Rab8 22. Bd5 Ne6 23. Bxe6 Rxe6 24. Red1 Qh4 25. Rxh4 Bf6 26. Re4 Rc6 27. Rd5 Bg5 28. Rxg5 Rd8 29. Rd5 Rxd5 30. Re8+ Kg7 31. Qb2+ Kh6 32. cxd5 Rd6 33. Qe5 Ra6 34. Kf1 c6 35. h4 cxd5 36. g4 Rc6 37. Rg8 f6 38. Qf4+ g5 39. hxg5+ fxg5 40. Qxg5# 1-0

[Event "GER-ch U12"]
[Site "Winterberg"]
[Date "2002.??.??"]
[Round "1"]
[White "Schloetzer, Waldemar"]
[Black "Jahner, Lukas"]
[Result "1-0"]
[ECO "D53"]
[WhiteElo "1692"]
[BlackElo "1328"]
[PlyCount "63"]
[EventDate "2002.05.19"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 088 Extra"]
[Source "ChessBase"]
[SourceDate "2002.07.01"]
[SourceVersion "2"]
[SourceVersionDate "2002.07.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Bg5 Be7 5. Nc3 Bd7 6. e3 Nc6 7. Bxf6 Bxf6 8. cxd5 exd5 9. Nxd5 Be6 10. Nxf6+ gxf6 11. Bd3 Qd7 12. Qa4 h6 13. Be4 Bd5 14. Bxd5 Qxd5 15. Rc1 Rg8 16. Rg1 0-0-0 17. Qc4 Kb8 18. Qxd5 Rxd5 19. Ke2 Re8 20. Rgd1 Kc8 21. Kf1 Red8 22. Rd2 a6 23. Rdc2 R8d7 24. a3 Na5 25. b4 Nc6 26. Nd2 Kb8 27. Ne4 f5 28. Nf6 Ka7 29. Nxd5 Rxd5 30. Rxc6 bxc6 31. Rxc6 Rd6 32. Rxc7+ 1-0

