[Event "Niedersachsen-ch U18"]
[Site "Rotenburg"]
[Date "2009.04.10"]
[Round "9"]
[White "Wierum, Colin"]
[Black "Bierwirth, Keith"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "1949"]
[BlackElo "1205"]
[PlyCount "109"]
[EventDate "2009.04.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

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. 0-0 f5 10. Nc3 0-0 11. Bxc6 bxc6 12. Nd2 Ba6 13. Re1 Qh4 14. Ndxe4 fxe4 15. Be3 Rf5 16. h3 Raf8 17. Qg4 Qxg4 18. hxg4 R5f7 19. b4 Bc8 20. g5 a6 21. Rac1 Re8 22. Ne2 Bd7 23. Rc2 Rff8 24. Rec1 Re7 25. Rc3 g6 26. Ra3 Ra8 27. f3 exf3 28. gxf3 Rf7 29. Kg2 Raf8 30. f4 Ra8 31. Nc3 Ra7 32. Rb3 a5 33. bxa5 Rxa5 34. a4 Re7 35. Ra3 Kg7 36. Ne2 Ra8 37. Bd2 Ba5 38. Bxa5 Rxa5 39. Rc5 Rxc5 40. dxc5 Bf5 41. Nd4 Bd7 42. a5 Re8 43. a6 Ra8 44. e6 Be8 45. a7 Kf8 46. Kg3 Ke7 47. Kg4 Kf8 48. f5 gxf5+ 49. Kxf5 Kg7 50. Ke5 Kg6 51. e7 Kf7 52. Ne6 d4 53. Nxc7 d3 54. Nxa8 d2 55. Rd3 1-0

[Event "Niedersachsen-ch U18"]
[Site "Rotenburg"]
[Date "2009.04.09"]
[Round "8"]
[White "Bierwirth, Keith"]
[Black "Bor, Tobias"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "1205"]
[BlackElo "1964"]
[PlyCount "82"]
[EventDate "2009.04.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. Bb3 0-0 7. Bg5 Be6 8. 0-0 h6 9. Bh4 Qe7 10. h3 Kh7 11. Bc2 Bb6 12. d4 Bd7 13. Re1 Kh8 14. Qd3 Rad8 15. Nbd2 Rg8 16. Nf1 g5 17. Bg3 Nh5 18. Bh2 Rg7 19. d5 Nb8 20. Ne3 Rdg8 21. Nf5 Bxf5 22. exf5 g4 23. hxg4 Rxg4 24. g3 Nxg3 25. f6 Ne4+ 26. Kf1 Nxf6 27. Bxe5 dxe5 28. Rxe5 Qf8 29. Ke2 Rg2 30. Rf1 Nbd7 31. Rh5 Qg7 32. Nh4 Nxh5 33. Nxg2 Ndf6 34. Qf3 Qxg2 35. Qxg2 Rxg2 36. b4 Nf4+ 37. Kf3 Rxf2+ 38. Rxf2 Bxf2 39. Kxf4 Nxd5+ 40. Ke4 Nxc3+ 41. Kf3 Bd4 0-1

[Event "Niedersachsen-ch U18"]
[Site "Rotenburg"]
[Date "2009.04.08"]
[Round "7"]
[White "Hurink, Maarten"]
[Black "Bierwirth, Keith"]
[Result "1-0"]
[ECO "D53"]
[WhiteElo "1873"]
[BlackElo "1205"]
[PlyCount "109"]
[EventDate "2009.04.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. Nf3 f5 2. d4 d5 3. c4 Nf6 4. Nc3 e6 5. cxd5 Nxd5 6. Bg5 Be7 7. Nxd5 exd5 8. Bxe7 Qxe7 9. e3 0-0 10. Qb3 c6 11. Bd3 Nd7 12. 0-0 Nf6 13. Qc2 Ne4 14. a3 a6 15. b4 Rb8 16. Rab1 Bd7 17. a4 Kh8 18. Ne5 Rbc8 19. f3 Nd6 20. Qe2 Rfe8 21. Rfe1 Qe6 22. Rbc1 Rf8 23. Rc5 b6 24. Rc3 b5 25. axb5 cxb5 26. Rxc8 Rxc8 27. Ra1 Ra8 28. e4 fxe4 29. fxe4 Nf7 30. Nxd7 Qxd7 31. Bxb5 Qe7 32. Bc6 Rd8 33. Qf2 Qxe4 34. Rxa6 Qb1+ 35. Qf1 Qxf1+ 36. Kxf1 Nh6 37. Ra8 Rxa8 38. Bxa8 Nf7 39. Bxd5 Nd6 40. Bc6 Kg8 41. b5 Kf7 42. b6 Ke6 43. b7 Nxb7 44. Bxb7 Kf5 45. Kf2 Kf4 46. g3+ Kf5 47. Kf3 h5 48. Bc8+ Kf6 49. Kf4 g5+ 50. Ke4 h4 51. g4 h3 52. d5 Ke7 53. Ke5 Kd8 54. Ke6 Kxc8 55. Ke7 1-0

[Event "Niedersachsen-ch U18"]
[Site "Rotenburg"]
[Date "2009.04.07"]
[Round "6"]
[White "Bierwirth, Keith"]
[Black "Tenninger, Marc"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "1205"]
[BlackElo "1774"]
[PlyCount "74"]
[EventDate "2009.04.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nf6 5. c3 Nc6 6. Bf4 a6 7. Nf3 Bg4 8. Nbd2 e6 9. 0-0 Bd6 10. Bg3 0-0 11. Qc2 b5 12. Bh4 h6 13. Rae1 Bxf3 14. Nxf3 b4 15. Ne5 Qc7 16. Bxf6 gxf6 17. Nxc6 Qxc6 18. Qd2 Kg7 19. g3 a5 20. Re3 Rg8 21. Rf3 Qc7 22. Bb1 Rab8 23. Re1 f5 24. Kg2 a4 25. h4 a3 26. bxa3 bxa3 27. h5 Rb2 28. Qc1 Rgb8 29. Bxf5 exf5 30. Rh1 Qd7 31. Rh4 Rxa2 32. Qe3 Rab2 33. Rh1 Rb1 34. Qd3 Rxh1 35. Kxh1 a2 36. Rxf5 a1Q+ 37. Kg2 Qc1 0-1

[Event "Niedersachsen-ch U18"]
[Site "Rotenburg"]
[Date "2009.04.07"]
[Round "5"]
[White "Eilert, Marius"]
[Black "Bierwirth, Keith"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "1834"]
[BlackElo "1205"]
[PlyCount "35"]
[EventDate "2009.04.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Nc3 Nxe4 8. 0-0 Bxc3 9. d5 Ne7 10. bxc3 0-0 11. Re1 Nd6 12. Bd3 b6 13. Bxh7+ Kxh7 14. Ng5+ Kg6 15. Qg4 f5 16. Qg3 Kf6 17. Be3 c5 18. Qxd6# 1-0

[Event "Niedersachsen-ch U18"]
[Site "Rotenburg"]
[Date "2009.04.06"]
[Round "4"]
[White "Bierwirth, Keith"]
[Black "Delekat, Julian"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "1205"]
[BlackElo "1315"]
[PlyCount "50"]
[EventDate "2009.04.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Nf6 6. Bf4 g6 7. Nf3 Bg7 8. Nbd2 Bf5 9. Bxf5 gxf5 10. Qb3 Qd7 11. 0-0 0-0 12. Rae1 Ne4 13. g3 Kh8 14. Kg2 Rg8 15. h4 Bf6 16. Rh1 Rg4 17. Qc2 Rag8 18. Nxe4 fxe4 19. Ne5 Nxe5 20. Bxe5 Bxe5 21. dxe5 Qf5 22. Re3 Qxe5 23. Qa4 f5 24. f4 exf3+ 25. Kxf3 Rxg3+ 0-1

[Event "Niedersachsen-ch U18"]
[Site "Rotenburg"]
[Date "2009.04.05"]
[Round "2"]
[White "Gersch, Andre"]
[Black "Bierwirth, Keith"]
[Result "1-0"]
[ECO "C25"]
[WhiteElo "1838"]
[BlackElo "1205"]
[PlyCount "43"]
[EventDate "2009.04.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nc6 3. f4 exf4 4. Nf3 Nf6 5. e5 Nh5 6. Bc4 d6 7. Qe2 Be7 8. exd6 cxd6 9. Ng5 0-0 10. Nxf7 Rxf7 11. Bxf7+ Kxf7 12. Qxh5+ Kg8 13. 0-0 Qb6+ 14. Kh1 Be6 15. d3 Rf8 16. Nd5 Qd4 17. Nxe7+ Nxe7 18. Bxf4 Ng6 19. Bg3 Rxf1+ 20. Rxf1 Bd5 21. Qf5 Qc5 22. c4 1-0

[Event "Niedersachsen-ch U18"]
[Site "Rotenburg"]
[Date "2009.04.05"]
[Round "3"]
[White "List, Tilman"]
[Black "Bierwirth, Keith"]
[Result "1-0"]
[ECO "C47"]
[WhiteElo "1927"]
[BlackElo "1205"]
[PlyCount "33"]
[EventDate "2009.04.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 Bxc3+ 7. bxc3 bxc6 8. Bd3 d6 9. 0-0 0-0 10. Bg5 h6 11. Bh4 Bb7 12. f4 Re8 13. Re1 Rb8 14. e5 dxe5 15. fxe5 g5 16. exf6 gxh4 17. Qg4+ 1-0

[Event "Niedersachsen-ch U18"]
[Site "Rotenburg"]
[Date "2009.04.04"]
[Round "1"]
[White "Bierwirth, Keith"]
[Black "Kuberczyk, Christoph"]
[Result "0-1"]
[ECO "B20"]
[WhiteElo "1205"]
[BlackElo "1900"]
[PlyCount "94"]
[EventDate "2009.04.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. c4 c5 2. e4 Nc6 3. Nc3 g6 4. d3 Bg7 5. Bd2 e6 6. g3 Nge7 7. Bg2 b6 8. Rb1 Bb7 9. a3 Nd4 10. Nge2 Nxe2 11. Qxe2 Nc6 12. 0-0 Nd4 13. Qd1 0-0 14. b4 d6 15. h3 f5 16. Ne2 Qd7 17. Nxd4 Bxd4 18. Qe2 Rae8 19. b5 Qg7 20. Bf4 e5 21. Be3 f4 22. Bxd4 exd4 23. Kh2 Qe5 24. a4 Rf5 25. h4 d5 26. Qd2 dxe4 27. dxe4 Rf6 28. Qd3 Bxe4 29. Bxe4 Qxe4 30. Qxe4 Rxe4 31. Rbe1 fxg3+ 32. fxg3 Rfe6 33. Ra1 d3 34. Rfd1 Rd6 35. a5 d2 36. axb6 axb6 37. Ra2 Re2+ 38. Kh3 h5 39. Ra8+ Kg7 40. Ra7+ Kh6 41. Ra2 Rd7 42. Rb2 Kg7 43. Ra2 Kf6 44. Rb2 Ke5 45. Ra2 Ke4 46. Rb2 Ke3 47. Rb3+ Rd3 0-1

[Event "Osterode district-ch U16/18"]
[Site "Goettingen"]
[Date "2008.10.14"]
[Round "7"]
[White "Bierwirth, Keith"]
[Black "Huffmann, Leonardo"]
[Result "0-1"]
[ECO "B08"]
[PlyCount "84"]
[EventDate "2008.10.11"]
[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 g6 2. Nc3 Bg7 3. Bc4 d6 4. Nf3 Nf6 5. d4 0-0 6. 0-0 Nc6 7. d5 Ne5 8. Nxe5 dxe5 9. Be3 a6 10. Qf3 b5 11. Bd3 Bg4 12. Qg3 Qd6 13. f3 Bc8 14. a3 Bb7 15. f4 exf4 16. Bxf4 Qc5+ 17. Be3 Qd6 18. Bf4 Qd7 19. Bxc7 Nh5 20. Qg5 Qxc7 21. Nd1 Rad8 22. c3 Rd6 23. Be2 Nf6 24. Bf3 Qc4 25. e5 Rxd5 26. Bxd5 Qxd5 27. Ne3 Qc5 28. Qf4 Nd5 29. Qf3 Nxe3 30. Rf2 Bxf3 31. gxf3 Nf5 32. f4 Rd8 33. Kg2 Qe3 34. Raf1 Nh4+ 35. Kg1 Rd2 36. h3 Rxf2 37. Rxf2 Nf3+ 38. Kg2 Ne1+ 39. Kf1 Nd3 40. Rh2 Qe1+ 41. Kg2 Qf2+ 42. Kh1 Qf1# 0-1

[Event "Osterode district-ch U16/18"]
[Site "Goettingen"]
[Date "2008.10.12"]
[Round "3"]
[White "Bierwirth, Keith"]
[Black "Elborg, Cornelia"]
[Result "1/2-1/2"]
[ECO "B51"]
[BlackElo "1338"]
[PlyCount "32"]
[EventDate "2008.10.11"]
[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. Nc3 Nc6 3. Nf3 d6 4. Bb5 Bd7 5. Bxc6 Bxc6 6. d3 e6 7. 0-0 Be7 8. Be3 Nf6 9. e5 Ng4 10. exd6 Bxd6 11. Qe2 Qc7 12. h3 Nh2 13. Nxh2 Bxh2+ 14. Kh1 Bd6 15. Ne4 Be7 16. Qg4 g6 1/2-1/2

