[Event "Wuerttemberg-ch U12"]
[Site "Germany"]
[Date "1999.04.09"]
[Round "6"]
[White "Jacobi, Simon"]
[Black "Kostka, Matthias"]
[Result "1-0"]
[ECO "A25"]
[PlyCount "64"]
[EventDate "1999.04.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. d3 Nc6 4. Nf3 Bc5 5. g3 0-0 6. Bg2 Ng4 7. 0-0 Nd4 8. e3 Ne6 9. d4 exd4 10. Nxd4 Bxd4 11. exd4 c6 12. Qxg4 Qf6 13. d5 Nd4 14. Ne4 Qe5 15. Bf4 d6 16. Bxe5 Bxg4 17. Bxd4 c5 18. Bc3 Be2 19. Rfe1 Bxc4 20. Nxd6 Rab8 21. Nxc4 b5 22. Be5 Rbd8 23. Ne3 f6 24. Bc3 b4 25. Bd2 g6 26. Ng4 g5 27. Nh6+ Kg7 28. Nf5+ Kg6 29. Ne7+ Kg7 30. Nc6 Ra8 31. a3 bxa3 32. bxa3 Kh6 1-0

[Event "Wuerttemberg-ch U12"]
[Site "Germany"]
[Date "1999.04.09"]
[Round "5"]
[White "Willems, Sebastian"]
[Black "Kostka, Matthias"]
[Result "1-0"]
[ECO "C41"]
[PlyCount "125"]
[EventDate "1999.04.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 d6 4. d5 Nb4 5. b3 Na6 6. Bb5+ Bd7 7. Bxd7+ Qxd7 8. Nc3 Nf6 9. 0-0 c6 10. Bg5 Be7 11. Bxf6 Bxf6 12. Qd3 0-0 13. b4 c5 14. Rfb1 Rfc8 15. b5 c4 16. Qe2 Nc5 17. Nd2 b6 18. Nxc4 Rcb8 19. a4 a5 20. Nd1 Qxb5 21. Nxa5 Qc6 22. Nc4 Qd7 23. Rb4 Qc7 24. Nc3 Ra6 25. Nb5 Qd7 26. Ncxd6 g6 27. Qf3 Bg7 28. Nc4 Rba8 29. Nb2 Ra5 30. c4 Na6 31. Rb3 Nc5 32. Rba3 Qe8 33. d6 Qd8 34. Nc7 R8a7 35. Qd1 Nxe4 36. Qb3 Nxd6 37. Nb5 Nxb5 38. axb5 e4 39. g3 Bxb2 40. Qxb2 Rxa3 41. Rxa3 Rxa3 42. Qxa3 Qd1+ 43. Kg2 Qd4 44. Qe3 Qxc4 45. Qxb6 Qc3 46. Qe3 Qe5 47. b6 f5 48. Qb3+ Kg7 49. b7 Qb8 50. Qc3+ Kf7 51. Qc8 Qe5 52. b8Q Qxb8 53. Qxb8 Kf6 54. f4 exf3+ 55. Kxf3 g5 56. g4 h6 57. Qd6+ Kf7 58. gxf5 h5 59. Qg6+ Kf8 60. f6 g4+ 61. Ke3 h4 62. Qg7+ Ke8 63. Qe7# 1-0

[Event "Wuerttemberg-ch U12"]
[Site "Germany"]
[Date "1999.04.08"]
[Round "4"]
[White "Kostka, Matthias"]
[Black "Klaiber, Markus"]
[Result "0-1"]
[ECO "C50"]
[PlyCount "96"]
[EventDate "1999.04.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. 0-0 Nf6 5. Nc3 d6 6. d3 h6 7. h3 0-0 8. Nd5 Nxd5 9. Bxd5 Bd7 10. a3 Qe7 11. b4 Bb6 12. Re1 Be6 13. c4 Nd4 14. a4 Bxd5 15. cxd5 Nxf3+ 16. Qxf3 Bd4 17. Rb1 b6 18. Qg3 Qf6 19. Re2 a5 20. Bd2 axb4 21. Be3 Bxe3 22. Rxe3 Rxa4 23. Rf3 Qe7 24. Qg4 c5 25. dxc6 Rd8 26. Rc1 b3 27. c7 b2 28. cxd8Q+ Qxd8 29. Rg3 bxc1Q+ 30. Kh2 Qcg5 31. Qf3 Qdf6 32. Rxg5 Qxf3 33. gxf3 hxg5 34. Kg3 Ra3 35. Kg4 f6 36. h4 gxh4 37. Kxh4 Rxd3 38. Kg4 b5 39. f4 exf4 40. Kxf4 b4 41. f3 b3 42. Kg4 b2 43. Kf4 b1Q 44. Kf5 Rxf3+ 45. Kg4 Qxe4+ 46. Kh5 Qe5+ 47. Kg4 Qg3+ 48. Kh5 Qg5# 0-1

[Event "Wuerttemberg-ch U12"]
[Site "Germany"]
[Date "1999.04.07"]
[Round "2"]
[White "Kostka, Matthias"]
[Black "Narr, Kevin"]
[Result "1-0"]
[ECO "C40"]
[PlyCount "119"]
[EventDate "1999.04.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 f5 3. Nxe5 Qf6 4. d4 d6 5. Nf3 fxe4 6. Qe2 d5 7. Nc3 Be6 8. Nb5 Na6 9. Nd2 c6 10. g3 Qf7 11. f3 cxb5 12. Bg2 exf3 13. Nxf3 Nc7 14. 0-0 Nf6 15. Ng5 Qd7 16. Rf3 0-0-0 17. Re3 Bg4 18. Qe1 h6 19. Nf3 Bd6 20. Qf1 Rde8 21. h3 Rxe3 22. Bxe3 Qe7 23. Re1 Bxg3 24. Bf2 Bxf2+ 25. Qxf2 Qd6 26. hxg4 Nxg4 27. Bh3 h5 28. Ng5 Rf8 29. Nf7 Rxf7 30. Bxg4+ hxg4 31. Qxf7 Qg3+ 32. Kf1 Qf3+ 33. Qxf3 gxf3 34. Kf2 Kd7 35. Kxf3 Ne6 36. c3 Ke7 37. Kg4 Kf6 38. Rf1+ Kg6 39. b3 b6 40. a4 bxa4 41. bxa4 a6 42. Rb1 Nc7 43. Rxb6+ Kh7 44. Kg5 Kg8 45. Kg6 Ne8 46. Rxa6 Kf8 47. Ra7 Nf6 48. a5 Ne8 49. Rb7 Nd6 50. Rc7 Ne8 51. Rb7 Nd6 52. Rxg7 Nf5 53. Rf7+ Ke8 54. Rxf5 Ke7 55. a6 Ke8 56. a7 Kd8 57. a8Q+ Ke7 58. Qa6 Ke8 59. Qb7 Kd8 60. Rf8# 1-0

[Event "Wuerttemberg-ch U12"]
[Site "Germany"]
[Date "1999.04.07"]
[Round "3"]
[White "Zwirner, Jan"]
[Black "Kostka, Matthias"]
[Result "1-0"]
[ECO "A22"]
[PlyCount "71"]
[EventDate "1999.04.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. c4 e5 2. d3 Nf6 3. Nc3 Bb4 4. Bd2 0-0 5. a3 Bxc3 6. Bxc3 Re8 7. Nf3 Nc6 8. b4 d5 9. cxd5 Qxd5 10. Nd2 Qd6 11. e3 e4 12. Bxf6 Qxf6 13. Nxe4 Qe5 14. Be2 a5 15. Rb1 axb4 16. axb4 Nxb4 17. Rxb4 Ra1 18. Rb1 Ra7 19. 0-0 Rd8 20. Ng3 Qg5 21. d4 c5 22. dxc5 Rxd1 23. Rfxd1 h5 24. c6 h4 25. c7 hxg3 26. Rd8+ Kh7 27. Bd3+ g6 28. Rxc8 gxh2+ 29. Kxh2 Qh4+ 30. Kg1 Qg4 31. Rd8 b6 32. c8Q Qxc8 33. Rxc8 Rb7 34. Rc6 Rd7 35. Be4 Rc7 36. Rxc7 1-0

[Event "Wuerttemberg-ch U12"]
[Site "Germany"]
[Date "1999.04.06"]
[Round "1"]
[White "Mueller, Ulrich"]
[Black "Kostka, Matthias"]
[Result "1/2-1/2"]
[ECO "C47"]
[PlyCount "65"]
[EventDate "1999.04.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 bxc6 7. Qd4 c5 8. Qc4 d6 9. Bd2 c6 10. a3 Ba5 11. b4 0-0 12. bxa5 Qxa5 13. Qa4 Qxa4 14. Nxa4 Nxe4 15. Bf4 Re8 16. 0-0-0 Nxf2 17. Bc4 d5 18. Bxd5 cxd5 19. Rhe1 Bd7 20. Rxe8+ Rxe8 21. Rf1 Bxa4 22. Rxf2 c4 23. c3 h6 24. Rb2 g5 25. Bd2 Re6 26. Rb7 Rf6 27. Rxa7 Rf1+ 28. Kb2 Bc6 29. Ra6 Bb7 30. Ra7 Bc6 31. Ra6 Bb7 32. Ra7 Bc6 33. Ra6 1/2-1/2

