[Event "GER-chT U20"]
[Site "Osnabrueck"]
[Date "2011.12.30"]
[Round "7.2"]
[White "Pfefferkorn, Kai"]
[Black "Schulz, Anja2"]
[Result "0-1"]
[ECO "B32"]
[WhiteElo "1686"]
[BlackElo "2113"]
[PlyCount "27"]
[EventDate "2011.12.27"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 146 Extra"]
[Source "ChessBase"]
[SourceDate "2012.02.29"]
[SourceVersion "1"]
[SourceVersionDate "2012.02.29"]
[SourceQuality "1"]
[WhiteTeam "Dresden"]
[BlackTeam "Wilkau Hasslau Muldental"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nf3 Nf6 6. Bd3 Bb4+ 7. Bd2 Bxd2+ 8. Nbxd2 0-0 9. 0-0 d5 10. exd5 Qxd5 11. Bc4 Qc5 12. Qe2 Bf5 13. Nb3 Qe7 14. Rfe1 0-1

[Event "GER-chT U20"]
[Site "Osnabrueck"]
[Date "2011.12.29"]
[Round "5.2"]
[White "Arndt, Dominik"]
[Black "Pfefferkorn, Kai"]
[Result "1/2-1/2"]
[ECO "A07"]
[WhiteElo "1964"]
[BlackElo "1686"]
[PlyCount "67"]
[EventDate "2011.12.27"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 146 Extra"]
[Source "ChessBase"]
[SourceDate "2012.02.29"]
[SourceVersion "1"]
[SourceVersionDate "2012.02.29"]
[SourceQuality "1"]
[WhiteTeam "Vaterstetten"]
[BlackTeam "Dresden"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. 0-0 Bc5 5. d3 b6 6. Nbd2 Bb7 7. b3 0-0 8. Bb2 Nbd7 9. Re1 Re8 10. e4 dxe4 11. dxe4 e5 12. Qe2 Bd6 13. Rad1 Nc5 14. Nh4 Ba6 15. Nc4 g6 16. f3 Qe7 17. Bf1 Ncd7 18. Qd2 Bc5+ 19. Kh1 Rad8 20. Qg5 Nxe4 21. Qxe7 Nf2+ 22. Kg2 Rxe7 23. Rd2 f6 24. Rxf2 Bxf2 25. Kxf2 Nc5 26. f4 b5 27. Nf3 bxc4 28. Ba3 Ree8 29. Bxc5 e4 30. Nd4 e3+ 31. Rxe3 Rxe3 32. Kxe3 cxb3 33. axb3 Bxf1 34. Bxa7 1/2-1/2

[Event "GER-chT U20"]
[Site "Osnabrueck"]
[Date "2011.12.29"]
[Round "6.2"]
[White "Pfefferkorn, Kai"]
[Black "Rafayevych, Vilen"]
[Result "0-1"]
[ECO "B49"]
[WhiteElo "1686"]
[BlackElo "2044"]
[PlyCount "118"]
[EventDate "2011.12.27"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 146 Extra"]
[Source "ChessBase"]
[SourceDate "2012.02.29"]
[SourceVersion "1"]
[SourceVersionDate "2012.02.29"]
[SourceQuality "1"]
[WhiteTeam "Dresden"]
[BlackTeam "Magdeburg Aufbau Elbe"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be2 a6 7. 0-0 Nf6 8. Be3 Bb4 9. Kh1 Bxc3 10. bxc3 Nxe4 11. Qd3 d5 12. f4 0-0 13. Bf3 Nf6 14. Nxc6 bxc6 15. Bd4 Qe7 16. Qe3 Nd7 17. Rab1 c5 18. Be5 Nxe5 19. Qxe5 Ra7 20. Rfe1 Qf6 21. Qe3 Rc7 22. g3 Bd7 23. Rb6 Qf5 24. Qd2 Rc6 25. Rbb1 c4 26. Re5 Qf6 27. g4 Rc5 28. g5 Qd8 29. f5 exf5 30. Qd4 Rb5 31. Rxb5 Bxb5 32. Qxd5 Qxg5 33. Rxf5 Qc1+ 34. Qd1 Qxd1+ 35. Bxd1 g6 36. Rf4 Re8 37. Bf3 Re5 38. Kg2 f5 39. Rd4 Kg7 40. Kf2 Kf6 41. Bd5 Kg5 42. Bxc4 Rc5 43. Bxb5 axb5 44. c4 bxc4 45. a4 Kf6 46. c3 Ke5 47. Kf3 g5 48. h3 h5 49. Kg3 f4+ 50. Kf3 Kf5 51. Kf2 g4 52. Kg2 Kg5 53. Kh2 Re5 54. hxg4 hxg4 55. Rd8 Re2+ 56. Kg1 f3 57. a5 Kf4 58. a6 Kg3 59. Kf1 Ra2 0-1

[Event "GER-chT U20"]
[Site "Osnabrueck"]
[Date "2011.12.28"]
[Round "4.2"]
[White "Kremser, Michael"]
[Black "Pfefferkorn, Kai"]
[Result "1-0"]
[ECO "D53"]
[WhiteElo "2084"]
[BlackElo "1686"]
[PlyCount "223"]
[EventDate "2011.12.27"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 146 Extra"]
[Source "ChessBase"]
[SourceDate "2012.02.29"]
[SourceVersion "1"]
[SourceVersionDate "2012.02.29"]
[SourceQuality "1"]
[WhiteTeam "Koeln Porz"]
[BlackTeam "Dresden"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. cxd5 exd5 6. e3 b6 7. Bd3 Bb7 8. Nf3 h6 9. Bh4 Nbd7 10. Qe2 0-0 11. Ba6 Qc8 12. Bxb7 Qxb7 13. 0-0 Rac8 14. Rfd1 Rfd8 15. Ne5 c5 16. Qf3 cxd4 17. exd4 a6 18. Rac1 b5 19. Nxd7 Rxd7 20. Bxf6 Bxf6 21. Nxd5 Rxc1 22. Nxf6+ gxf6 23. Qg4+ Kh7 24. Rxc1 Rc7 25. Qf5+ Kg7 26. Rxc7 Qxc7 27. Qc5 Qa5 28. b4 Qxa2 29. h3 Qd2 30. d5 Qe1+ 31. Kh2 Qe5+ 32. g3 Qf5 33. Qd4 Kf8 34. h4 Ke7 35. Kg2 Qd7 36. Qe3+ Kd8 37. Qxh6 Qxd5+ 38. Kh2 Ke7 39. Qe3+ Kf8 40. Qh6+ Ke7 41. Qe3+ Kf8 42. Qb6 Kg7 43. Qxa6 Qd4 44. Qxb5 Qxf2+ 45. Kh3 Qg1 46. Qd5 Qf1+ 47. Kh2 Qe2+ 48. Qg2 Qc4 49. Qd2 Qb5 50. Qb2 Kg6 51. Qc2+ Kg7 52. Qe4 f5 53. Qd4+ Kh7 54. Qd2 f6 55. Qe1 Kg6 56. Kh3 Qd7 57. Kh2 Qb5 58. Qd2 Kg7 59. Kg2 Qc6+ 60. Kf2 Qb6+ 61. Ke2 Qb5+ 62. Kd1 Qf1+ 63. Kc2 Qc4+ 64. Qc3 Qa2+ 65. Kd3 Qd5+ 66. Ke3 Qe4+ 67. Kf2 Qd5 68. Ke3 Qe4+ 69. Kd2 Qg2+ 70. Kc1 Qf1+ 71. Kb2 Qe2+ 72. Kb1 Qd1+ 73. Ka2 Qe2+ 74. Qb2 Qc4+ 75. Qb3 Qe2+ 76. Ka3 Qa6+ 77. Kb2 Qe2+ 78. Kc1 Qe1+ 79. Kb2 Qe2+ 80. Qc2 Qe5+ 81. Qc3 Qe2+ 82. Kc1 Qf1+ 83. Kc2 Qe2+ 84. Qd2 Qe4+ 85. Kc1 Qc4+ 86. Kb2 Qb5 87. Qf4 Qe2+ 88. Kc3 Qe1+ 89. Kc4 Qe6+ 90. Kc5 Qe7+ 91. Qd6 Qe3+ 92. Kc6 Qe4+ 93. Kc7 Qc4+ 94. Kb6 Qe4 95. b5 Qe3+ 96. Kc7 Qa7+ 97. Kc8 Qa8+ 98. Qb8 Qe4 99. Qb7+ Kg6 100. b6 Qe8+ 101. Kc7 Qe5+ 102. Kd8 Qxg3 103. h5+ Kh6 104. Qf7 Qb8+ 105. Ke7 Qb7+ 106. Kf8 Qc8+ 107. Qe8 Qc5+ 108. Kg8 Kg5 109. b7 Qd5+ 110. Qf7 Qd8+ 111. Kg7 f4 112. Qg6+ 1-0

[Event "GER-chT U20"]
[Site "Osnabrueck"]
[Date "2011.12.28"]
[Round "3.2"]
[White "Pfefferkorn, Kai"]
[Black "Friedt, Edmund"]
[Result "1/2-1/2"]
[ECO "C47"]
[WhiteElo "1686"]
[BlackElo "1895"]
[PlyCount "35"]
[EventDate "2011.12.27"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 146 Extra"]
[Source "ChessBase"]
[SourceDate "2012.02.29"]
[SourceVersion "1"]
[SourceVersionDate "2012.02.29"]
[SourceQuality "1"]
[WhiteTeam "Dresden"]
[BlackTeam "Erfurt"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Bb4 6. Nxc6 bxc6 7. Bd3 0-0 8. 0-0 Re8 9. Re1 Be7 10. e5 Nd5 11. Nxd5 cxd5 12. Re3 d6 13. Rg3 dxe5 14. Qh5 g6 15. Rxg6+ fxg6 16. Bxg6 hxg6 17. Qxg6+ Kh8 18. Qh6+ 1/2-1/2

[Event "GER-chT U20"]
[Site "Osnabrueck"]
[Date "2011.12.27"]
[Round "2.2"]
[White "Kyas, Marcel"]
[Black "Pfefferkorn, Kai"]
[Result "1-0"]
[ECO "E18"]
[WhiteElo "2111"]
[BlackElo "1686"]
[PlyCount "43"]
[EventDate "2011.12.27"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 146 Extra"]
[Source "ChessBase"]
[SourceDate "2012.02.29"]
[SourceVersion "1"]
[SourceVersionDate "2012.02.29"]
[SourceQuality "1"]
[WhiteTeam "Solingen"]
[BlackTeam "Dresden"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Be7 5. Bg2 b6 6. cxd5 exd5 7. 0-0 Bb7 8. Nc3 0-0 9. Bf4 Nbd7 10. Rc1 a6 11. Ne5 Rc8 12. Qb3 Nxe5 13. dxe5 Ne4 14. Nxe4 dxe4 15. Rfd1 Qe8 16. Bh3 Bc5 17. Rxc5 bxc5 18. Qxb7 Rb8 19. Qxc7 Qa4 20. Rd7 Rbc8 21. Qd6 Qxa2 22. e6 1-0

[Event "GER-chT U20"]
[Site "Osnabrueck"]
[Date "2010.12.30"]
[Round "7.4"]
[White "Pfefferkorn, Kai"]
[Black "Arnold, Sebastian"]
[Result "1/2-1/2"]
[ECO "C45"]
[WhiteElo "1570"]
[BlackElo "1752"]
[PlyCount "54"]
[EventDate "2010.12.27"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 140 Extra"]
[Source "ChessBase"]
[SourceDate "2011.03.01"]
[SourceVersion "1"]
[SourceVersionDate "2011.03.01"]
[SourceQuality "1"]
[WhiteTeam "Dresden USV"]
[BlackTeam "Kelheim"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nb3 Bb6 6. a4 a6 7. a5 Ba7 8. Nc3 d6 9. Be2 Qf6 10. Bf3 Nge7 11. Qe2 0-0 12. 0-0 Be6 13. Nd5 Bxd5 14. exd5 Ne5 15. Be4 N7g6 16. Ra4 Qh4 17. g3 Qd8 18. Kh1 Nd7 19. Be3 Nc5 20. Nxc5 Bxc5 21. Bxc5 dxc5 22. Rc4 Qd6 23. Bxg6 hxg6 24. Re1 Rfe8 25. Re4 Rxe4 26. Qxe4 Rd8 27. c4 Kf8 1/2-1/2

[Event "GER-chT U20"]
[Site "Osnabrueck"]
[Date "2010.12.29"]
[Round "6.4"]
[White "Brueggemann, Florian"]
[Black "Pfefferkorn, Kai"]
[Result "1-0"]
[ECO "B86"]
[WhiteElo "1986"]
[BlackElo "1570"]
[PlyCount "169"]
[EventDate "2010.12.27"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 140 Extra"]
[Source "ChessBase"]
[SourceDate "2011.03.01"]
[SourceVersion "1"]
[SourceVersionDate "2011.03.01"]
[SourceQuality "1"]
[WhiteTeam "Magdeburg Aufbau Elbe"]
[BlackTeam "Dresden USV"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. a4 Be7 8. g4 e5 9. Nf5 Bxf5 10. gxf5 0-0 11. Be3 Nbd7 12. Rg1 Kh8 13. Qf3 Qe8 14. Bd5 Nxd5 15. Nxd5 Rc8 16. c3 Nf6 17. Nxf6 Bxf6 18. Rg3 g6 19. Bh6 Rg8 20. fxg6 Qe6 21. gxf7 Qxf7 22. Bg5 Rcf8 23. Bxf6+ Qxf6 24. Qxf6+ Rxf6 25. Ke2 Rf4 26. f3 Rh4 27. Rxg8+ Kxg8 28. Rg1+ Kf7 29. Rg2 Ke6 30. c4 a5 31. Kf2 Rh6 32. Kg1 Kf7 33. Rd2 Rg6+ 34. Kh1 Rf6 35. Rd3 b6 36. Rb3 Ke6 37. Kg2 Rg6+ 38. Kf2 Rh6 39. h3 Rxh3 40. Kg2 Rh6 41. Rxb6 Rg6+ 42. Kf2 Rg7 43. Rb5 Ra7 44. Ke3 Rc7 45. b3 Ra7 46. f4 exf4+ 47. Kxf4 Rf7+ 48. Ke3 Ra7 49. Kd4 Kd7 50. Rh5 Kc6 51. Rh6 Rb7 52. Kc3 Kc5 53. Rh5+ Kb6 54. Rd5 Rd7 55. e5 Re7 56. Rxd6+ Kc7 57. Rd5 Kb6 58. Rb5+ Ka6 59. Kd4 h5 60. Ke4 h4 61. Kf3 Rg7 62. e6 Rg6 63. Re5 h3 64. e7 h2 65. Re1 Rg1 66. Rxg1 hxg1Q 67. e8Q Qd1+ 68. Kf4 Qf1+ 69. Kg5 Qg1+ 70. Kf6 Qf2+ 71. Kg7 Qd4+ 72. Kg8 Qg4+ 73. Kf8 Qg2 74. Qb5+ Ka7 75. Qxa5+ Kb8 76. Qe5+ Kc8 77. Qd5 Qf2+ 78. Ke7 Qh4+ 79. Kd6 Qf4+ 80. Kc5 Qe3+ 81. Kb4 Qe1+ 82. Kb5 Qh4 83. b4 Qg4 84. a5 Qg1 85. Qc5+ 1-0

[Event "GER-chT U20"]
[Site "Osnabrueck"]
[Date "2010.12.28"]
[Round "3.4"]
[White "Oser, Kai"]
[Black "Pfefferkorn, Kai"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "1622"]
[BlackElo "1570"]
[PlyCount "73"]
[EventDate "2010.12.27"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 140 Extra"]
[Source "ChessBase"]
[SourceDate "2011.03.01"]
[SourceVersion "1"]
[SourceVersionDate "2011.03.01"]
[SourceQuality "1"]
[WhiteTeam "Neumuehl"]
[BlackTeam "Dresden USV"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 e5 7. Nb3 Be6 8. Be3 Be7 9. Bd3 Nbd7 10. Qd2 d5 11. exd5 Nxd5 12. Nxd5 Bxd5 13. c4 Be6 14. 0-0 0-0 15. Rfd1 Qc7 16. Rac1 Rac8 17. Qc2 h6 18. Nd2 Bc5 19. Bxc5 Qxc5+ 20. Kh1 f5 21. a3 g6 22. b4 Qd4 23. Nb3 Qh4 24. c5 Nf6 25. Nd2 Kg7 26. Nc4 Nd5 27. Re1 e4 28. fxe4 fxe4 29. Rxe4 Qf6 30. Qb2 Qxb2 31. Nxb2 Bf5 32. Rd4 Ne3 33. Bxf5 Nxf5 34. Rd7+ Rf7 35. Rcd1 Rcf8 36. Nc4 Kg8 37. Kg1 1-0

[Event "GER-chT U20"]
[Site "Osnabrueck"]
[Date "2010.12.28"]
[Round "4.4"]
[White "Pfefferkorn, Kai"]
[Black "Rieping, Heiner"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1570"]
[BlackElo "1847"]
[PlyCount "88"]
[EventDate "2010.12.27"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 140 Extra"]
[Source "ChessBase"]
[SourceDate "2011.03.01"]
[SourceVersion "1"]
[SourceVersionDate "2011.03.01"]
[SourceQuality "1"]
[WhiteTeam "Dresden USV"]
[BlackTeam "Hagen"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Bd2 Qb6 6. Nf3 Bg4 7. Bf4 Nc6 8. Be2 0-0-0 9. d5 e6 10. h3 Nxd5 11. Nxd5 Rxd5 12. Qc1 Bh5 13. 0-0 Bc5 14. a3 Nd4 15. Nxd4 Bxd4 16. Bxh5 Rxh5 17. c3 Bc5 18. b4 Bd6 19. Be3 Qb5 20. c4 Qe5 21. f4 Qe4 22. c5 Be7 23. Bf2 Rd8 24. Re1 Qg6 25. Re3 Bf6 26. Ra2 Rhd5 27. Kh2 Rd1 28. Qc4 R1d4 29. Qb5 Qf5 30. Qa5 Kb8 31. Rf3 R4d5 32. Qa4 Bd4 33. c6 Bxf2 34. Raxf2 R8d6 35. cxb7 Kxb7 36. Qe8 Rd8 37. Qa4 Rd3 38. g4 Qd5 39. Rxd3 Qxd3 40. Rc2 Rd6 41. Rf2 Ra6 42. Qe8 Rxa3 43. Kg1 Qg3+ 44. Kf1 Ra1+ 0-1

[Event "GER-chT U20"]
[Site "Osnabrueck"]
[Date "2010.12.27"]
[Round "2.4"]
[White "Georgi, Philip"]
[Black "Pfefferkorn, Kai"]
[Result "1/2-1/2"]
[ECO "D37"]
[WhiteElo "1891"]
[BlackElo "1570"]
[PlyCount "72"]
[EventDate "2010.12.27"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 140 Extra"]
[Source "ChessBase"]
[SourceDate "2011.03.01"]
[SourceVersion "1"]
[SourceVersionDate "2011.03.01"]
[SourceQuality "1"]
[WhiteTeam "Paderborn Schachfreunde"]
[BlackTeam "Dresden USV"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Be7 5. e3 b6 6. cxd5 exd5 7. Bd3 Nbd7 8. 0-0 Bb7 9. Bd2 0-0 10. Rc1 Rc8 11. Qe2 c5 12. Ba6 Qc7 13. Bxb7 Qxb7 14. Rfd1 Bd6 15. Qb5 a6 16. Qb3 b5 17. Be1 c4 18. Qc2 b4 19. Na4 Ne4 20. Nd2 Nxd2 21. Qxd2 Qb5 22. b3 c3 23. Qd3 Qxd3 24. Rxd3 Rc6 25. Rc2 a5 26. f3 f5 27. Bg3 Be7 28. Kf2 Nb6 29. Nxb6 Rxb6 30. Ke2 Bd6 31. Be5 Kf7 32. Rd1 Bxe5 33. dxe5 Ke6 34. f4 Ra6 35. Kd3 a4 36. Rb1 Rc8 1/2-1/2

[Event "GER-chT U20"]
[Site "Osnabrueck"]
[Date "2010.12.27"]
[Round "1.4"]
[White "Pfefferkorn, Kai"]
[Black "Iwanziw, Niklas"]
[Result "1-0"]
[ECO "B80"]
[WhiteElo "1570"]
[BlackElo "1871"]
[PlyCount "67"]
[EventDate "2010.12.27"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 140 Extra"]
[Source "ChessBase"]
[SourceDate "2011.03.01"]
[SourceVersion "1"]
[SourceVersionDate "2011.03.01"]
[SourceQuality "1"]
[WhiteTeam "Dresden USV"]
[BlackTeam "Neuberg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. f3 Be7 8. Qd2 Nc6 9. 0-0-0 0-0 10. g4 Nd7 11. Nb3 b5 12. g5 Rb8 13. h4 Nde5 14. Be2 Nc4 15. Bxc4 bxc4 16. Nd4 Qb6 17. Na4 Qb7 18. Qc3 Bd7 19. Nxc6 Qxc6 20. b3 d5 21. Bd4 Ba3+ 22. Nb2 Bb4 23. Qe3 cxb3 24. axb3 Rfc8 25. Rh2 a5 26. exd5 exd5 27. Qe5 Bf8 28. h5 Re8 29. Qg3 Rxb3 30. g6 fxg6 31. hxg6 h6 32. Qf4 Be6 33. Rxh6 Bg4 34. Qf7# 1-0

[Event "GER-chT U14"]
[Site "Arendsee"]
[Date "2009.12.30"]
[Round "7.3"]
[White "Eigemann, Julian"]
[Black "Pfefferkorn, Kai"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "1851"]
[BlackElo "1530"]
[PlyCount "109"]
[EventDate "2009.12.27"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Koeln Muelheim U14"]
[BlackTeam "Dresden USV TU U14"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e6 2. d3 d5 3. Nd2 Nf6 4. Ngf3 b6 5. g3 dxe4 6. dxe4 Bb7 7. Qe2 Nbd7 8. Bg2 Bc5 9. 0-0 0-0 10. Nh4 a5 11. Nb3 Ba6 12. c4 Ne5 13. Rd1 Qe7 14. Nxc5 Bxc4 15. Qc2 Qxc5 16. b3 Ba6 17. Qxc5 bxc5 18. Ba3 Rfd8 19. Bxc5 Bb7 20. Bd4 Ng6 21. Nxg6 hxg6 22. e5 Nd5 23. Rac1 c6 24. f4 Rdc8 25. a3 Kf8 26. Kf2 Ke8 27. Bc5 Kd7 28. Bd6 Kd8 29. h4 Kd7 30. Bh3 Ke8 31. Rc5 Kd7 32. Rd4 Ra6 33. Bf1 Ra7 34. Ra4 Rca8 35. Rc2 Nb6 36. Rd4 Kc8 37. Bg2 Nd5 38. Bc5 Ra6 39. Bf1 Kc7 40. Bxa6 Rxa6 41. Bd6+ Kb6 42. Bf8 Ra8 43. Bd6 Ra6 44. Ra4 Ra8 45. b4 axb4 46. Rxa8 Bxa8 47. Bxb4 Bb7 48. Bc5+ Kc7 49. Bf8 Ba6 50. Bxg7 Bb5 51. Bf8 Kb6 52. Kf3 Kc7 53. g4 Kd7 54. h5 Ba4 55. h6 1-0

[Event "GER-chT U14"]
[Site "Arendsee"]
[Date "2009.12.29"]
[Round "6.3"]
[White "Noettling, Dominik"]
[Black "Pfefferkorn, Kai"]
[Result "1/2-1/2"]
[ECO "C05"]
[WhiteElo "1688"]
[BlackElo "1530"]
[PlyCount "81"]
[EventDate "2009.12.27"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Forchheim SC U14"]
[BlackTeam "Dresden USV TU U14"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. c3 c5 6. Ngf3 Nc6 7. a3 cxd4 8. cxd4 f6 9. exf6 Nxf6 10. Bb5 Bd7 11. Bxc6 Bxc6 12. Ne5 Bd6 13. Ndf3 0-0 14. 0-0 Qc7 15. Re1 Nd7 16. Qd3 Nxe5 17. dxe5 Bc5 18. Be3 Bxe3 19. Rxe3 h6 20. Nd4 Rae8 21. Rc1 Qb6 22. b4 Rf4 23. Nxc6 bxc6 24. Qc2 Rc4 25. Rc3 Rxc3 26. Qxc3 Rf8 27. Qc5 Qc7 28. Qd4 Qb7 29. Rc5 Qa6 30. Qe3 Qa4 31. Qc1 Qa6 32. Rxc6 Qe2 33. f4 g5 34. Rc8 gxf4 35. Rxf8+ Kxf8 36. Qc8+ Kf7 37. Qd7+ Kf8 38. Qd8+ Kg7 39. Qe7+ Kh8 40. Qf8+ Kh7 41. Qe7+ 1/2-1/2

[Event "GER-chT U14"]
[Site "Arendsee"]
[Date "2009.12.29"]
[Round "5.3"]
[White "Pfefferkorn, Kai"]
[Black "Mueller, Nils Samuel"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "1530"]
[BlackElo "1576"]
[PlyCount "117"]
[EventDate "2009.12.27"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Dresden USV TU U14"]
[BlackTeam "Hohentuebingen U14"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nb3 Bb6 6. a4 a6 7. Nc3 d6 8. Bd3 Nf6 9. Bg5 h6 10. Bh4 Ba7 11. Nd5 g5 12. Bg3 Nxd5 13. exd5 Qe7+ 14. Qe2 Qxe2+ 15. Bxe2 Nb4 16. 0-0-0 Bf5 17. c3 Bc2 18. cxb4 Bxb3 19. Rde1 0-0 20. h4 Bxd5 21. hxg5 hxg5 22. Rh5 f6 23. Reh1 Be4 24. Bf3 Bxf3 25. gxf3 Rae8 26. Rh8+ Kf7 27. Rxf8+ Rxf8 28. Rh7+ Ke6 29. Rxc7 Rb8 30. Rc2 Bd4 31. Re2+ Be5 32. b3 Rc8+ 33. Kd2 Kf5 34. Re3 d5 35. Rd3 d4 36. Ke2 Ke6 37. Kd2 f5 38. f4 Bxf4+ 39. Bxf4 gxf4 40. Rxd4 Ke5 41. Rd7 Rb8 42. f3 Ke6 43. Rc7 Rd8+ 44. Kc3 b5 45. Rc6+ Rd6 46. Rxd6+ Kxd6 47. axb5 axb5 48. Kd4 Ke6 49. Kc5 Ke5 50. Kxb5 Kd4 51. Kc6 Ke3 52. b5 Kxf3 53. b6 Kg2 54. b7 f3 55. b8Q f2 56. Qg8+ Kf3 57. Qd5+ Kf4 58. Qg2 Ke3 59. Qf1 1-0

[Event "GER-chT U14"]
[Site "Arendsee"]
[Date "2009.12.28"]
[Round "4.3"]
[White "Abrahamyan, Arsen"]
[Black "Pfefferkorn, Kai"]
[Result "1/2-1/2"]
[ECO "C02"]
[WhiteElo "1599"]
[BlackElo "1530"]
[PlyCount "147"]
[EventDate "2009.12.27"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Frankfurt TV U14"]
[BlackTeam "Dresden USV TU U14"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Be2 Bd7 7. 0-0 cxd4 8. cxd4 Nge7 9. b3 Nf5 10. Bb2 Be7 11. Re1 0-0 12. Bd3 Nh6 13. Nc3 a6 14. Rc1 Rac8 15. Rc2 Nb4 16. Rce2 Nxd3 17. Qxd3 Nf5 18. Rd2 Bb4 19. Rc1 Bxc3 20. Bxc3 Bb5 21. Qb1 Ne7 22. Bb4 Rxc1+ 23. Qxc1 Rc8 24. Bc5 Qc7 25. Qe1 Ng6 26. Rd1 Nf4 27. Qe3 Ne2+ 28. Kh1 b6 29. a4 bxc5 30. axb5 Nxd4 31. bxa6 Nxf3 32. gxf3 Ra8 33. Rc1 Rxa6 34. Rxc5 Rc6 35. Rb5 h6 36. Kg2 Rc3 37. Qd4 Rc1 38. b4 Rc4 39. Qe3 Qe7 40. Rb8+ Kh7 41. b5 g6 42. Ra8 d4 43. Qf4 Rb4 44. Rb8 d3 45. Qd2 Qg5+ 46. Qxg5 hxg5 47. Rd8 Rxb5 48. Rxd3 Rxe5 49. Kg3 Kg7 50. Rd4 f5 51. Rd7+ Kf6 52. Rd1 Rc5 53. h3 Rc3 54. Re1 e5 55. Kg2 Rd3 56. Rc1 Rd6 57. Kg3 e4 58. fxe4 Rd3+ 59. Kg2 fxe4 60. Re1 Kf5 61. Re3 g4 62. hxg4+ Kf4 63. Re1 Rd4 64. Re3 Kxg4 65. Rxe4+ Rxe4 66. f3+ Kf4 67. fxe4 Kxe4 68. Kg3 Kf5 69. Kf3 g5 70. Kg3 g4 71. Kg2 Kf4 72. Kf2 g3+ 73. Kg2 Kg4 74. Kg1 1/2-1/2

[Event "GER-chT U14"]
[Site "Arendsee"]
[Date "2009.12.28"]
[Round "3.3"]
[White "Pfefferkorn, Kai"]
[Black "Schwarz, Nico"]
[Result "0-1"]
[ECO "B80"]
[WhiteElo "1530"]
[BlackElo "1341"]
[PlyCount "160"]
[EventDate "2009.12.27"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Dresden USV TU U14"]
[BlackTeam "Stader SV U14"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 b5 7. f3 Nbd7 8. Qd2 e6 9. 0-0-0 Bb7 10. Be2 Rc8 11. g4 Nb6 12. g5 Nfd7 13. Nb3 Nc4 14. Bxc4 bxc4 15. Nd4 Nc5 16. Nde2 Qa5 17. Kb1 Rb8 18. Bxc5 Qxc5 19. Qd4 Qxg5 20. Qxc4 Qd8 21. Qd4 Bc6 22. Qc4 Qb6 23. Qb3 Qxb3 24. axb3 Rd8 25. Nd4 Bb7 26. Rhe1 Be7 27. f4 0-0 28. f5 e5 29. Nf3 Rfe8 30. Nd5 Bxd5 31. Rxd5 Rd7 32. c3 Rb8 33. Kc2 Rb5 34. Red1 Rdb7 35. Rxb5 Rxb5 36. Ra1 a5 37. b4 axb4 38. cxb4 Rxb4 39. Ra8+ Bf8 40. Nd2 f6 41. Kc3 Rd4 42. b4 d5 43. exd5 Rxd5 44. Nc4 Rb5 45. Nd6 Rb6 46. Ne4 Kf7 47. Ra7+ Kg8 48. Ra8 Kf7 49. Ra7+ Kg8 50. Nc5 Bxc5 51. bxc5 Rb8 52. c6 Rc8 53. c7 e4 54. Rb7 Kf7 55. Kd4 e3 56. Kxe3 Ke7 57. Kd4 Kd6 58. Rb8 Kxc7 59. Rxc8+ Kxc8 60. Kd5 Kd7 61. h4 h5 62. Kc5 Ke7 63. Kd5 Kf7 64. Kd6 g5 65. fxg6+ Kxg6 66. Ke6 Kg7 67. Kf5 Kf7 68. Ke4 Ke6 69. Kf4 Ke7 70. Kf5 Kf7 71. Ke4 Ke6 72. Kf4 f5 73. Kg5 Ke5 74. Kxh5 Kf6 75. Kh6 f4 76. Kh7 f3 77. h5 f2 78. h6 f1Q 79. Kg8 Qg1+ 80. Kh8 Qg6 0-1

[Event "GER-chT U14"]
[Site "Arendsee"]
[Date "2009.12.27"]
[Round "1.3"]
[White "Pfefferkorn, Kai"]
[Black "Spilke, Paul"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "1530"]
[BlackElo "1589"]
[PlyCount "52"]
[EventDate "2009.12.27"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Dresden USV TU U14"]
[BlackTeam "Baumschulenweg U14"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Nf6 5. c4 c6 6. Nc3 Bb4 7. Bd2 0-0 8. Be2 Bg4 9. cxd5 Nxd5 10. Nxd5 Bxd2+ 11. Qxd2 Qxd5 12. 0-0 Nd7 13. b3 Nb6 14. Rac1 Rad8 15. Rfd1 a6 16. Qf4 Bxf3 17. Bxf3 Qd6 18. Qd2 Nd5 19. Bxd5 Qxd5 20. Qb4 Rd7 21. Rc5 Qe4 22. Re5 Qxe5 23. Qd2 Rfd8 24. Qc3 Rxd4 25. Rf1 Qe2 26. Re1 Qd1 0-1

[Event "GER-chT U14"]
[Site "Arendsee"]
[Date "2009.12.27"]
[Round "2.3"]
[White "Vu Tuan, Minh"]
[Black "Pfefferkorn, Kai"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "1399"]
[BlackElo "1530"]
[PlyCount "99"]
[EventDate "2009.12.27"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Bautzen Einheit U14"]
[BlackTeam "Dresden USV TU U14"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. c4 Nf6 5. Nc3 Be6 6. b3 Bb4 7. Bd2 Nc6 8. Nf3 dxc4 9. bxc4 Nxd4 10. Nxd4 Qxd4 11. Qa4+ c6 12. Qxb4 Ne4 13. 0-0-0 Nxf2 14. Bg5 c5 15. Qb5+ Bd7 16. Rxd4 Bxb5 17. Rf4 Nxh1 18. Nxb5 0-0 19. Be7 Rfc8 20. Bd3 a6 21. Nc3 Rc7 22. Nd5 Rc6 23. Rf1 b5 24. Rxh1 bxc4 25. Bxc4 Rg6 26. Bxc5 Rg5 27. Bb3 Re8 28. g3 h6 29. Kb2 a5 30. Rc1 a4 31. Ne7+ Kh8 32. Bxa4 Rb8+ 33. Bb3 Rd8 34. Bb4 Kh7 35. a4 Rb8 36. Ka3 Rg4 37. Rc4 Rg5 38. a5 Ra8 39. Nc6 Rh5 40. h4 Rb5 41. Rc5 Rb7 42. Ne5 Rab8 43. Nc6 Ra8 44. Bc4 Rd7 45. Rd5 Rc7 46. Bb5 Re8 47. Ne5 Ra8 48. Rd7 Rcc8 49. Rxf7 h5 50. Bd3+ 1-0

[Event "Sachsen-ch U14"]
[Site "Sebnitz"]
[Date "2009.04.17"]
[Round "6"]
[White "Hase, Albert"]
[Black "Pfefferkorn, Kai"]
[Result "1-0"]
[ECO "D10"]
[WhiteElo "1632"]
[BlackElo "1287"]
[PlyCount "71"]
[EventDate "2009.04.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. cxd5 cxd5 5. Bg5 e6 6. e3 Bb4 7. Qc2 Nbd7 8. Bxf6 Nxf6 9. Qa4+ Bd7 10. Qxb4 Rc8 11. Bb5 a6 12. Bxd7+ Qxd7 13. Nge2 Rc4 14. Qa3 Qc8 15. 0-0 b5 16. b3 Rc6 17. Nd1 Qb7 18. Rc1 Rxc1 19. Nxc1 Kd7 20. Nd3 Ke8 21. Nc5 Qc7 22. Qxa6 Qb8 23. Qc6+ Kf8 24. Na6 Qd8 25. Qxb5 Ne4 26. Nc3 Nd6 27. Qc5 Ke8 28. Nb5 Nxb5 29. Qxb5+ Ke7 30. Nc5 Qd6 31. Qb7+ Kf6 32. Nd7+ Kf5 33. g4+ Ke4 34. Nc5+ Kf3 35. Qxf7+ Ke2 36. Nxe6 1-0

[Event "Sachsen-ch U14"]
[Site "Sebnitz"]
[Date "2009.04.17"]
[Round "7"]
[White "Pfefferkorn, Kai"]
[Black "Ohme, Markus"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "1287"]
[BlackElo "1399"]
[PlyCount "65"]
[EventDate "2009.04.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Nd5 Nxd5 8. exd5 Nb8 9. c4 a6 10. Nc3 Be7 11. Be3 0-0 12. Bd3 Nd7 13. Qd2 Nf6 14. h3 Bd7 15. 0-0 Ne8 16. f4 Bf6 17. Ne4 Rb8 18. fxe5 Bxe5 19. Ng5 g6 20. Qf2 f5 21. Nf3 Bg7 22. Rae1 Qa5 23. a3 b5 24. c5 dxc5 25. Bxc5 Rf7 26. Ng5 Rf6 27. Re7 Qc7 28. Ne6 Qd8 29. Nxg7 Nxg7 30. Qd4 Rf7 31. Rfe1 Rb7 32. Rxf7 Kxf7 33. Re7+ 1-0

[Event "Sachsen-ch U14"]
[Site "Sebnitz"]
[Date "2009.04.16"]
[Round "5"]
[White "Pfefferkorn, Kai"]
[Black "Gerntke, Oliver"]
[Result "0-1"]
[ECO "B43"]
[WhiteElo "1287"]
[BlackElo "1669"]
[PlyCount "52"]
[EventDate "2009.04.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Be3 Bb4 7. Qd2 Nf6 8. f3 d5 9. Bd3 b5 10. g4 e5 11. Nde2 d4 12. Nxd4 exd4 13. Bxd4 Nbd7 14. 0-0-0 Bb7 15. Qg5 0-0-0 16. Qd2 Ne5 17. Qf2 Rxd4 18. Qxd4 Bc5 19. Nxb5 axb5 20. Qc3 Be3+ 21. Kb1 Qxc3 22. bxc3 Nxf3 23. Bxb5 Nxe4 24. Rd7 Nxc3+ 25. Kb2 Nxb5 26. Rxf7 Ne5 0-1

[Event "Sachsen-ch U14"]
[Site "Sebnitz"]
[Date "2009.04.15"]
[Round "3"]
[White "Bessert, Maximilian"]
[Black "Pfefferkorn, Kai"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "1397"]
[BlackElo "1287"]
[PlyCount "84"]
[EventDate "2009.04.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Nbd2 cxd4 7. cxd4 Nxd4 8. Nxd4 Qxd4 9. Qe2 Bd7 10. a3 Ne7 11. Nf3 Qb6 12. Be3 Qa5+ 13. b4 Qa4 14. Qd2 Nc6 15. Qc3 Rc8 16. Be2 Nxb4 17. Bd1 Qxd1+ 18. Rxd1 Rxc3 19. axb4 Bxb4 20. 0-0 Bb5 21. Rfe1 Rc8 22. Nd2 a6 23. Rc1 0-0 24. Red1 Bxd2 25. Bxd2 Rc4 26. Rxc4 Bxc4 27. Bb4 Rc8 28. Rc1 Rc6 29. h3 Rb6 30. Ba5 Rb5 31. Bc7 Kf8 32. Bd6+ Ke8 33. Kh2 Kd7 34. Kg3 Rb3+ 35. f3 Kc6 36. h4 b5 37. Ra1 Kb7 38. Bf8 g6 39. Kg4 Rb2 40. g3 h5+ 41. Kg5 Rb3 42. Rf1 Bxf1 0-1

[Event "Sachsen-ch U14"]
[Site "Sebnitz"]
[Date "2009.04.15"]
[Round "4"]
[White "Pfefferkorn, Kai"]
[Black "Kempe, Markus"]
[Result "1-0"]
[ECO "B35"]
[WhiteElo "1287"]
[BlackElo "1310"]
[PlyCount "67"]
[EventDate "2009.04.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 Qa5 8. 0-0 0-0 9. Bb3 d6 10. h3 Bd7 11. f4 Qh5 12. Nf3 Rfd8 13. Qe2 Rac8 14. Rad1 b6 15. Bc1 Na5 16. Nd5 Kf8 17. Nxf6 Bxf6 18. Rd5 Qh6 19. Ng5 Nxb3 20. axb3 Rc5 21. Rxc5 dxc5 22. e5 Bh8 23. Qc4 Qg7 24. Rd1 Ke8 25. Qa6 h6 26. Ne4 Bc8 27. Rxd8+ Kxd8 28. Qxa7 f5 29. Qxb6+ Kd7 30. Nxc5+ Ke8 31. Qc6+ Kd8 32. Bd2 e6 33. Ba5+ Ke7 34. Qxc8 1-0

[Event "Sachsen-ch U14"]
[Site "Sebnitz"]
[Date "2009.04.15"]
[Round "2"]
[White "Pfefferkorn, Kai"]
[Black "Viereck, Marten"]
[Result "0-1"]
[ECO "B54"]
[WhiteElo "1287"]
[BlackElo "1542"]
[PlyCount "54"]
[EventDate "2009.04.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 a6 6. Be3 d6 7. Qd2 Qc7 8. f3 b6 9. g4 Be7 10. 0-0-0 Bb7 11. Be2 0-0-0 12. Na4 b5 13. Nxc6 Qxc6 14. Nb6+ Kb8 15. Qa5 Nf6 16. Rd3 d5 17. Rc3 Qd6 18. Bxb5 Qb4 19. Bf4+ Ka7 20. Nc8+ Rxc8 21. Be3+ d4 22. Bxd4+ Qxd4 23. Rb3 Qc5 24. c3 Nxe4 25. fxe4 Qe3+ 26. Kb1 Qxe4+ 27. Kc1 Bg5+ 0-1

[Event "Sachsen-ch U14"]
[Site "Sebnitz"]
[Date "2009.04.14"]
[Round "1"]
[White "Grosse, Christian"]
[Black "Pfefferkorn, Kai"]
[Result "1/2-1/2"]
[ECO "C16"]
[WhiteElo "1652"]
[BlackElo "1287"]
[PlyCount "148"]
[EventDate "2009.04.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 Ne7 5. a3 Ba5 6. Bd3 Nd7 7. Qg4 Ng6 8. Bg5 f6 9. Qxe6+ Ne7 10. exf6 Nxf6 11. Qe3 0-0 12. Nge2 Nf5 13. Qf4 Bxc3+ 14. bxc3 Nd6 15. Qf3 Be6 16. 0-0 Qd7 17. Nf4 Bg4 18. Qe3 Rae8 19. Qc1 Nfe4 20. f3 Nxg5 21. fxg4 Qxg4 22. Kh1 Nde4 23. c4 dxc4 24. Bxc4+ Kh8 25. Nd3 Rxf1+ 26. Qxf1 Nd2 27. Re1 Nge4 28. Qf7 Qc8 29. Bd5 Rf8 30. Qe7 Nf2+ 31. Nxf2 Rxf2 32. Qe8+ Rf8 33. Qxc8 Rxc8 34. Bxb7 Rb8 35. Bc6 Kg8 36. Re8+ Rxe8 37. Bxe8 Kf8 38. Bb5 Ne4 39. Kg1 Ke7 40. Kf1 Kd6 41. c4 Nc3 42. Be8 Nb1 43. a4 Nd2+ 44. Ke2 Nxc4 45. Bf7 Nb6 46. Bb3 Nd5 47. Kf3 Nc3 48. Ke3 Nd5+ 49. Ke4 Nc3+ 50. Kf5 Nd5 51. Kg5 Nf6 52. g4 a5 53. h4 c6 54. Kf5 Ke7 55. g5 g6+ 56. Kf4 Nh5+ 57. Kg4 Kf8 58. Be6 Ng7 59. Bd7 Ke7 60. Bxc6 Nf5 61. d5 Kd6 62. h5 Ne7 63. Be8 Kxd5 64. hxg6 hxg6 65. Kf4 Kd6 66. Bf7 Nd5+ 67. Kg4 Nb6 68. Bxg6 Nxa4 69. Kh5 Nc5 70. Bf7 Nd3 71. Ba2 Ne5 72. Kh6 Ke7 73. Kg7 Nf3 74. g6 Ne5 1/2-1/2

[Event "EU-ch U08"]
[Site "Germany"]
[Date "2003.10.31"]
[Round "9.11"]
[White "Pfefferkorn, Kai"]
[Black "Richter, Tim"]
[Result "1-0"]
[ECO "C50"]
[PlyCount "63"]
[EventDate "2003.10.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. 0-0 d6 5. h3 Nf6 6. d4 exd4 7. Bg5 h6 8. Bh4 g5 9. Bg3 Nxe4 10. Re1 Be6 11. Bxe6 fxe6 12. Rxe4 Qe7 13. Qe2 Kd7 14. Nbd2 Nb4 15. Qb5+ c6 16. Qxb7+ Ke8 17. Qxa8+ Qd8 18. Rxe6+ Kf7 19. Qxd8 Rxd8 20. Rxh6 Nxc2 21. Rc1 Kg7 22. Rh5 Kg6 23. Rxg5+ Kf6 24. Rxc2 Bb4 25. Ne4+ Kf7 26. Nxd4 Re8 27. Nxc6 Rxe4 28. f3 Bc5+ 29. Bf2 Re6 30. Bxc5 dxc5 31. Nd8+ Kf6 32. Nxe6 1-0

[Event "EU-ch U08"]
[Site "Germany"]
[Date "2003.10.30"]
[Round "8.6"]
[White "Goebel, Constantin"]
[Black "Pfefferkorn, Kai"]
[Result "1-0"]
[ECO "D06"]
[PlyCount "73"]
[EventDate "2003.10.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 d5 2. c4 Nf6 3. cxd5 Nxd5 4. e4 Nb6 5. Nc3 e6 6. Bf4 g5 7. Bg3 Bg7 8. Be5 f6 9. Bg3 0-0 10. Nf3 Nc6 11. Bb5 Bd7 12. 0-0 a6 13. Bxc6 Bxc6 14. e5 fxe5 15. Nxe5 Bxe5 16. Bxe5 Qe8 17. Qg4 Qg6 18. Bxc7 Nc4 19. Rfe1 Rfe8 20. Be5 Nxe5 21. Rxe5 Rad8 22. Rxg5 Rxd4 23. Rxg6+ hxg6 24. Qxg6+ Kf8 25. Qf6+ Kg8 26. Qxd4 e5 27. Qg4+ Kh8 28. h4 Rg8 29. Qh5+ Kg7 30. Qxe5+ Kf8 31. h5 Rxg2+ 32. Kf1 Rg7 33. h6 Rh7 34. Qf6+ Rf7 35. Qh8+ Ke7 36. h7 Bd5 37. Qe5+ 1-0

[Event "EU-ch U08"]
[Site "Germany"]
[Date "2003.10.30"]
[Round "7.11"]
[White "Pfefferkorn, Kai"]
[Black "Ohme, Markus"]
[Result "1-0"]
[ECO "C56"]
[PlyCount "93"]
[EventDate "2003.10.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 d6 5. 0-0 Nxe4 6. Re1 Nf6 7. dxe5 dxe5 8. Qxd8+ Nxd8 9. Rxe5+ Be6 10. Bxe6 Nxe6 11. Nc3 Bd6 12. Re2 0-0 13. Bd2 Nf4 14. Bxf4 Bxf4 15. Rae1 Rae8 16. Rxe8 Nxe8 17. Nd5 Bd6 18. h3 c6 19. Ne3 Nf6 20. Nf5 Re8 21. Rxe8+ Nxe8 22. Ng5 h6 23. Ne4 Be5 24. b4 g6 25. Nxh6+ Kg7 26. Ng4 f5 27. Nxe5 fxe4 28. Nd7 b6 29. Ne5 c5 30. bxc5 bxc5 31. Nd7 Nd6 32. Nxc5 a5 33. g4 g5 34. Kg2 Kf6 35. Kg3 Ke5 36. h4 gxh4+ 37. Kxh4 Kf6 38. g5+ Kg6 39. Kg4 Kg7 40. Kh5 Kf8 41. g6 Kg7 42. Kg5 Kf8 43. Kh6 Kg8 44. g7 Nf7+ 45. Kg6 Nd8 46. Nd7 e3 47. Nf6# 1-0

[Event "EU-ch U08"]
[Site "Germany"]
[Date "2003.10.29"]
[Round "6.12"]
[White "Weiss, Reinhold"]
[Black "Pfefferkorn, Kai"]
[Result "1/2-1/2"]
[ECO "D26"]
[PlyCount "99"]
[EventDate "2003.10.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 d5 2. c4 Nf6 3. Nf3 dxc4 4. e3 e6 5. Bxc4 Bd6 6. Nc3 0-0 7. 0-0 Bd7 8. a3 Nc6 9. e4 Qe7 10. e5 Nxe5 11. dxe5 Bxe5 12. Nxe5 Rfd8 13. Qf3 Qd6 14. Qg3 a6 15. Bh6 Qf8 16. Bxg7 Qxg7 17. Qxg7+ Kxg7 18. Rfe1 b5 19. Bb3 a5 20. Re3 c5 21. Rg3+ Kf8 22. Ng4 Nxg4 23. Rxg4 e5 24. Rg5 h6 25. Rxe5 Ra6 26. Rxc5 Rg6 27. Bc2 Rg7 28. Bf5 Rg5 29. Nxb5 Bxf5 30. Nc7 Rc8 31. Rac1 Bd7 32. b4 axb4 33. axb4 Rxc5 34. Rxc5 Ke7 35. Kf1 Kd6 36. Rc3 Rxc7 37. Rxc7 Kxc7 38. Ke2 f6 39. Kd2 Bc6 40. Kc3 Bxg2 41. Kc4 Bc6 42. b5 Bb7 43. Kc5 f5 44. f4 h5 45. h4 Kb8 46. Kd6 Kc8 47. Ke5 Kd8 48. Kxf5 Ke7 49. Kg5 Bf3 50. b6 1/2-1/2

[Event "EU-ch U08"]
[Site "Germany"]
[Date "2003.10.28"]
[Round "5.15"]
[White "Pfefferkorn, Kai"]
[Black "Peil, Dominik"]
[Result "1-0"]
[ECO "C50"]
[PlyCount "45"]
[EventDate "2003.10.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nd4 4. Nxd4 exd4 5. 0-0 Bc5 6. d3 d6 7. h3 Nf6 8. Qe2 0-0 9. Bf4 b6 10. Qf3 Bb7 11. Qg3 g6 12. Qf3 d5 13. Bb3 dxe4 14. dxe4 Nxe4 15. Re1 Qe8 16. Bh6 Bb4 17. Re2 Nc3 18. Qf6 Nxe2+ 19. Kh2 Bd6+ 20. g3 Bxg3+ 21. fxg3 Qe5 22. Qxe5 Rfe8 23. Qg7# 1-0

[Event "EU-ch U08"]
[Site "Germany"]
[Date "2003.10.28"]
[Round "4.7"]
[White "Wolf, Sascha"]
[Black "Pfefferkorn, Kai"]
[Result "1-0"]
[ECO "C55"]
[PlyCount "145"]
[EventDate "2003.10.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. Bc4 Nf6 4. Nc3 Be7 5. 0-0 0-0 6. h3 Nc6 7. d3 Be6 8. Bb3 Bxb3 9. axb3 Qd7 10. Be3 Rad8 11. Bxa7 Ra8 12. Be3 Rxa1 13. Qxa1 Rd8 14. Qd1 h6 15. Qd2 Re8 16. Ne2 d5 17. exd5 Nxd5 18. d4 Bb4 19. c3 Bd6 20. dxe5 Bxe5 21. Rd1 Rd8 22. Nxe5 Nxe5 23. Nf4 c6 24. Nxd5 cxd5 25. Bb6 Rc8 26. Qxd5 Qxd5 27. Rxd5 Ng6 28. Rd8+ Rxd8 29. Bxd8 Ne5 30. b4 Nc4 31. b3 Nd2 32. f3 Nxb3 33. Kf2 Nd2 34. Ke3 Nc4+ 35. Kd4 Nb2 36. c4 Kf8 37. b5 Ke8 38. Ba5 Kd7 39. Kd5 Na4 40. c5 Kc8 41. c6 b6 42. Bb4 Kc7 43. Kc4 Nb2+ 44. Kd5 Nd3 45. Bd6+ Kc8 46. c7 Nf2 47. Kc6 Nd3 48. Kxb6 Nb4 49. Kc5 Nd3+ 50. Kd4 Nb2 51. b6 Na4 52. Kc4 Nxb6+ 53. Kb5 Na8 54. Kc6 Nxc7 55. Bxc7 g5 56. Be5 Kd8 57. Bg7 h5 58. Bh6 g4 59. fxg4 hxg4 60. hxg4 Ke7 61. Kd5 Kf6 62. g5+ Kg6 63. g4 f6 64. gxf6 Kxf6 65. g5+ Kf7 66. Ke5 Kg8 67. Kf6 Kh7 68. g6+ Kxh6 69. g7 Kh5 70. g8Q Kh4 71. Kf5 Kh3 72. Qg1 Kh4 73. Qg4# 1-0

[Event "EU-ch U08"]
[Site "Germany"]
[Date "2003.10.27"]
[Round "3.5"]
[White "Pfefferkorn, Kai"]
[Black "Spangenberg, Romy"]
[Result "0-1"]
[ECO "B54"]
[PlyCount "44"]
[EventDate "2003.10.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be2 Bd7 7. 0-0 Nc6 8. Nxc6 Bxc6 9. Bg5 Nf6 10. Bc4 0-0 11. Re1 h6 12. Bd2 Qd7 13. Qc1 Kh7 14. e5 dxe5 15. Rxe5 Qg4 16. g3 Qxc4 17. Rxe7 Qg4 18. Qf1 Qh5 19. Ne2 Ng4 20. h4 Nf6 21. Nf4 Qf3 22. Re3 Qh1# 0-1

[Event "EU-ch U08"]
[Site "Germany"]
[Date "2003.10.26"]
[Round "1.21"]
[White "Pfefferkorn, Kai"]
[Black "Schmieder, Michelle"]
[Result "1-0"]
[ECO "C50"]
[PlyCount "81"]
[EventDate "2003.10.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Qe7 4. d4 Na5 5. Be2 Qd8 6. Nxe5 d6 7. Nf3 Nf6 8. Nc3 Ng4 9. h3 Nf6 10. 0-0 Be7 11. Be3 0-0 12. Qd2 h6 13. a3 Be6 14. b4 Nc4 15. Bxc4 Bxc4 16. Rfe1 d5 17. exd5 Bxd5 18. Rad1 Be4 19. Nxe4 Nxe4 20. Qd3 Nd6 21. c4 Qd7 22. c5 Nb5 23. Ra1 Rfe8 24. a4 a6 25. axb5 axb5 26. Rxa8 Rxa8 27. Ne5 Qe6 28. Ng4 Qg6 29. Qxg6 fxg6 30. Bxh6 gxh6 31. Rxe7 Ra1+ 32. Kh2 Kf8 33. Rxc7 h5 34. Ne5 Ra7 35. d5 Ke8 36. c6 Kd8 37. d6 Ra8 38. cxb7 Rb8 39. Nc6+ Ke8 40. Nxb8 g5 41. Nc6 1-0

[Event "EU-ch U08"]
[Site "Germany"]
[Date "2003.10.26"]
[Round "2.4"]
[White "Wieczorek, Bruno"]
[Black "Pfefferkorn, Kai"]
[Result "0-1"]
[ECO "C41"]
[PlyCount "81"]
[EventDate "2003.10.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. d4 Nc6 4. d5 Nb4 5. Bd2 a5 6. Nc3 Nf6 7. Bb5+ Bd7 8. Bxd7+ Nxd7 9. 0-0 Be7 10. Qe2 0-0 11. Qe3 Nxc2 12. Qd3 Nxa1 13. Rxa1 Re8 14. Qe3 Bf6 15. Ng5 Bxg5 16. Qxg5 Qxg5 17. Bxg5 h6 18. Bd2 a4 19. Nb5 c6 20. Nc7 cxd5 21. Nxe8 Rxe8 22. exd5 Nb6 23. Bb4 Nxd5 24. Bxd6 Nf4 25. Re1 f6 26. g3 Nd3 27. Rb1 Re6 28. Ba3 Rc6 29. Rd1 Rc1 30. Rxc1 Nxc1 31. b3 Nxa2 32. bxa4 Nc3 33. a5 Nb5 34. Bc5 Kf7 35. Bb6 Ke6 36. Kg2 Kd6 37. Kf3 Kd5 38. Ke3 Nc3 39. Kd3 Na4 40. h4 Nxb6 41. axb6 0-1

