[Event "Nordhausen op 13th"]
[Site "Nordhausen"]
[Date "2023.08.03"]
[Round "1"]
[White "Pfeifer, Frank"]
[Black "Becker, Tobias"]
[Result "0-1"]
[ECO "C28"]
[WhiteElo "1548"]
[BlackElo "2111"]
[PlyCount "40"]
[EventDate "2023.08.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. Bc4 Nc6 4. a3 Nxe4 5. Bxf7+ Kxf7 6. Nxe4 d5 7. Qf3+ Ke8 8. Ng3 Be6 9. c3 Bc5 10. b4 Rf8 11. Qh5+ g6 12. Qxh7 Bxf2+ 13. Ke2 Qf6 14. Nf3 Rh8 15. Qxc7 Bxg3 16. Qxb7 Rc8 17. d3 e4 18. hxg3 exf3+ 19. gxf3 Rxh1 20. Bg5 Qe5+ 0-1

[Event "Verden op-B"]
[Site "Verden"]
[Date "2023.01.08"]
[Round "7"]
[White "Pfeifer, Frank"]
[Black "Struebel, Katharina"]
[Result "1/2-1/2"]
[ECO "C26"]
[WhiteElo "1559"]
[BlackElo "1325"]
[PlyCount "82"]
[EventDate "2023.01.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nc6 3. g3 Bc5 4. Bg2 Nf6 5. d3 d6 6. Nge2 Be6 7. h3 Qd7 8. f4 g6 9. fxe5 dxe5 10. Bg5 Be7 11. Qd2 0-0-0 12. a3 Nh5 13. Bxe7 Qxe7 14. 0-0-0 Nf6 15. Rhf1 Nd7 16. g4 Nb6 17. Qe3 Nd4 18. Rf2 Rd7 19. Rdf1 Rhd8 20. Qg3 Nc6 21. g5 a6 22. h4 Kb8 23. Bh3 Bxh3 24. Qxh3 Qf8 25. Rf6 h6 26. Rxg6 fxg6 27. Rxf8 Rxf8 28. Nd5 Rdf7 29. Nf6 h5 30. Kd2 Ne7 31. Nc3 Ng8 32. Ncd5 Nxf6 33. Nxb6 cxb6 34. gxf6 Rxf6 35. Qg3 Rf2+ 36. Kc3 Rc8+ 37. Kb3 Rcxc2 38. Qxe5+ Kc8 39. Qe8+ Kc7 40. Qe7+ Kc8 41. Qe8+ Kc7 1/2-1/2

[Event "Verden op-B"]
[Site "Verden"]
[Date "2023.01.06"]
[Round "3"]
[White "Pfeifer, Frank"]
[Black "Ayvazyan, Gohar"]
[Result "0-1"]
[ECO "C27"]
[WhiteElo "1559"]
[PlyCount "72"]
[EventDate "2023.01.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. Bc4 Bc5 4. d3 h6 5. Be3 Bb6 6. Qd2 d6 7. h3 Be6 8. Bxe6 fxe6 9. Nce2 Nbd7 10. c3 Qe7 11. b4 Bxe3 12. Qxe3 0-0 13. Nf3 a6 14. 0-0 Rac8 15. Nh4 Kh7 16. Qg3 Qf7 17. f4 exf4 18. Nxf4 g5 19. Nhg6 Rg8 20. Nh5 Qxg6 21. Nxf6+ Nxf6 22. Rf2 Rgf8 23. Raf1 Nd7 24. d4 Rxf2 25. Rxf2 Rf8 26. Qe3 Rxf2 27. Kxf2 e5 28. Qf3 Qf6 29. Qf5+ Qxf5+ 30. exf5 exd4 31. cxd4 Kg7 32. g4 Kf6 33. Ke3 Nb6 34. Ke4 c6 35. a3 Nd5 36. Kf3 Nf4 0-1

[Event "Verden op-B"]
[Site "Verden"]
[Date "2023.01.05"]
[Round "2"]
[White "Fels, Mattis"]
[Black "Pfeifer, Frank"]
[Result "1-0"]
[ECO "A46"]
[BlackElo "1559"]
[PlyCount "89"]
[EventDate "2023.01.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 d6 3. Bg5 Nbd7 4. Nf3 c5 5. e3 a6 6. Bd3 b5 7. 0-0 c4 8. Be2 g6 9. a4 b4 10. Na2 b3 11. Nb4 Qb6 12. c3 a5 13. Bxc4 axb4 14. Qxb3 e6 15. cxb4 Rb8 16. Bb5 Bg7 17. Rac1 Bb7 18. Bxf6 Bxf6 19. Rc2 Ke7 20. Rfc1 Rhc8 21. Nd2 Rxc2 22. Rxc2 d5 23. Qd3 Qd6 24. Qb3 e5 25. Nf3 exd4 26. exd4 Kf8 27. Bxd7 Qxd7 28. Rc5 Qf5 29. Qc2 Qxc2 30. Rxc2 Bc8 31. b5 Bf5 32. Rc5 Be6 33. Kf1 Ke7 34. Ke2 Rc8 35. Kd3 Kd6 36. Rxc8 Bxc8 37. a5 Bd7 38. b6 Bb5+ 39. Kc3 Ba6 40. b4 Kc6 41. Ne5+ Kb5 42. Nd7 Bxd4+ 43. Kxd4 Kxb4 44. Nc5 Kxa5 45. b7 1-0

[Event "Niedersachsen-ch op-B"]
[Site "Verden an der Aller"]
[Date "2020.01.05"]
[Round "7"]
[White "Pfeifer, Frank"]
[Black "Lossin, Charlotte"]
[Result "1/2-1/2"]
[ECO "C27"]
[WhiteElo "1574"]
[BlackElo "1499"]
[PlyCount "43"]
[EventDate "2020.01.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. Bc4 Bb4 4. Nge2 c6 5. a3 Ba5 6. 0-0 d5 7. exd5 cxd5 8. Bb5+ Nc6 9. b4 Bb6 10. d3 0-0 11. Bg5 Be6 12. Ng3 h6 13. Bxf6 Qxf6 14. Na4 Nd4 15. Nxb6 axb6 16. c4 Rac8 17. cxd5 Bxd5 18. Bd7 Rc7 19. Bh3 Be6 20. Bxe6 Qxe6 21. Rc1 Rfc8 22. Rxc7 1/2-1/2

[Event "Niedersachsen-ch op-B"]
[Site "Verden an der Aller"]
[Date "2020.01.04"]
[Round "6"]
[White "Kruse, Hannes"]
[Black "Pfeifer, Frank"]
[Result "1-0"]
[ECO "B03"]
[WhiteElo "1414"]
[BlackElo "1574"]
[PlyCount "87"]
[EventDate "2020.01.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 Nb6 4. Nf3 d5 5. Be3 Bg4 6. Be2 e6 7. 0-0 Be7 8. h3 Bh5 9. Nbd2 h6 10. Re1 Nc6 11. c3 g5 12. Nh2 Bxe2 13. Qxe2 Kd7 14. Nb3 Qg8 15. Nc5+ Kc8 16. b3 h5 17. g3 g4 18. h4 Bxc5 19. dxc5 Nd7 20. Bd4 Ne7 21. b4 c6 22. a4 Kc7 23. b5 a5 24. bxc6 Nxc6 25. Reb1 Qg6 26. Rb2 Qf5 27. Rab1 Rhb8 28. Rb5 Ndxe5 29. Bxe5+ Qxe5 30. Qb2 Ra7 31. Rb6 Qe4 32. Nf1 Qc4 33. Rxc6+ Kxc6 34. Qb6+ Kd7 35. Qxa7 Rc8 36. Qxa5 Qa6 37. Qb5+ Kc7 38. Qb6+ Qxb6 39. cxb6+ Kc6 40. Nd2 Ra8 41. Rb4 Ra6 42. f3 Rxb6 43. fxg4 Rxb4 44. cxb4 1-0

[Event "Niedersachsen-ch op-B"]
[Site "Verden an der Aller"]
[Date "2020.01.04"]
[Round "5"]
[White "Pfeifer, Frank"]
[Black "Schieble, Johannes"]
[Result "1-0"]
[ECO "C25"]
[WhiteElo "1574"]
[BlackElo "1366"]
[PlyCount "71"]
[EventDate "2020.01.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Bc5 3. Bc4 Nc6 4. a3 d6 5. d3 Nf6 6. Be3 Bb6 7. h3 Be6 8. Ba2 h6 9. Bxe6 fxe6 10. Bxb6 axb6 11. Nge2 0-0 12. 0-0 Nh5 13. Nb5 Rc8 14. d4 exd4 15. Nbxd4 Nxd4 16. Nxd4 Nf4 17. Qg4 Qf6 18. Rad1 Rce8 19. c3 Re7 20. g3 h5 21. Qxf4 Qxf4 22. gxf4 Rxf4 23. f3 d5 24. e5 c6 25. Rd2 Kh7 26. Rg2 Kh6 27. Kf2 c5 28. Ne2 Rf5 29. f4 d4 30. Kf3 d3 31. Ng3 Rf8 32. Ke3 c4 33. Ne4 Rc7 34. Rfg1 Re8 35. Rg6+ Kh7 36. Rxe6 1-0

[Event "Niedersachsen-ch op-B"]
[Site "Verden an der Aller"]
[Date "2020.01.03"]
[Round "3"]
[White "Pfeifer, Frank"]
[Black "Muecke, Leonard"]
[Result "1/2-1/2"]
[ECO "C27"]
[WhiteElo "1574"]
[PlyCount "120"]
[EventDate "2020.01.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Bc5 3. Bc4 Nf6 4. d3 h6 5. Be3 Bb6 6. Qf3 Bxe3 7. fxe3 d6 8. Nd5 c6 9. Nxf6+ Qxf6 10. Qxf6 gxf6 11. Nf3 f5 12. exf5 Bxf5 13. Nh4 Bh7 14. e4 Nd7 15. Rf1 Rf8 16. Ke2 Ke7 17. Rf2 Bg6 18. Raf1 Bh5+ 19. Kd2 Bg6 20. Nf5+ Bxf5 21. Rxf5 f6 22. Rh5 Rh8 23. Rf3 Rh7 24. Rg3 d5 25. exd5 cxd5 26. Bxd5 Nc5 27. Rg6 Rah8 28. Bg8 Rxg8 29. Rxg8 Kf7 30. Rc8 Kg6 31. Rh4 Ne6 32. Ra8 Kg5 33. Ra4 Kf5 34. R8xa7 Rh8 35. Ke3 Rc8 36. c3 Rd8 37. R4a5 Nc7 38. c4 Ne6 39. Rxb7 Nf4 40. Rb3 Nxg2+ 41. Kd2 Nf4 42. Rc3 Kg4 43. Ra7 e4 44. Rg7+ Kf3 45. Rg3+ Kf2 46. Re3 f5 47. b4 Nxd3 48. Rcxd3 exd3 49. Rxd3 Rxd3+ 50. Kxd3 f4 51. b5 Kg2 52. b6 f3 53. b7 f2 54. b8Q f1Q+ 55. Kd4 Qf2+ 56. Kd5 Qf7+ 57. Kc5 Qf5+ 58. Kc6 Qe6+ 59. Kb5 Qd7+ 60. Kc5 Qf5+ 1/2-1/2

[Event "Niedersachsen-ch op-B"]
[Site "Verden an der Aller"]
[Date "2020.01.03"]
[Round "4"]
[White "Wander, Dennis"]
[Black "Pfeifer, Frank"]
[Result "1-0"]
[ECO "B03"]
[WhiteElo "1442"]
[BlackElo "1574"]
[PlyCount "62"]
[EventDate "2020.01.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. d4 d6 5. f4 dxe5 6. fxe5 Nc6 7. Nf3 Bg4 8. Be3 e6 9. a3 Be7 10. Be2 Bh4+ 11. g3 Bxf3 12. Bxf3 Bg5 13. Bxc6+ bxc6 14. Bxg5 Qxg5 15. 0-0 Qe3+ 16. Kh1 Nxc4 17. Re1 Qf2 18. Re2 Qf3+ 19. Kg1 Rd8 20. Nc3 Nxb2 21. Qb3 Nd3 22. Qc4 0-0 23. Rf1 Nb2 24. Rxb2 Qe3+ 25. Kh1 Rxd4 26. Qxc6 Qxe5 27. Nb5 Rd5 28. Rbb1 Qe4+ 29. Kg1 Qe3+ 30. Kh1 Rfd8 31. Qxc7 Qf3+ 1-0

[Event "Niedersachsen-ch op-B"]
[Site "Verden an der Aller"]
[Date "2020.01.02"]
[Round "2"]
[White "Greve, Stefanie"]
[Black "Pfeifer, Frank"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1431"]
[BlackElo "1574"]
[PlyCount "44"]
[EventDate "2020.01.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 g6 3. Nc3 d6 4. e4 Bg7 5. Qd2 0-0 6. Bh6 Nbd7 7. 0-0-0 c5 8. d5 a6 9. f3 b5 10. g4 b4 11. Nce2 Qa5 12. Kb1 Nb6 13. Ng3 Bd7 14. h4 Na4 15. Bxg7 Kxg7 16. h5 Rfc8 17. hxg6 fxg6 18. Qh6+ Kf7 19. g5 Nc3+ 20. bxc3 bxc3 21. Ka1 Qa3 22. Rb1 Rab8 0-1

[Event "Niedersachsen-ch op-B"]
[Site "Verden an der Aller"]
[Date "2020.01.02"]
[Round "1"]
[White "Pfeifer, Frank"]
[Black "Lehmkuhl, Stefan"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "1574"]
[BlackElo "1855"]
[PlyCount "58"]
[EventDate "2020.01.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. c3 d6 4. Be3 Nf6 5. Nd2 0-0 6. h3 Nbd7 7. f4 c5 8. e5 Nd5 9. Qf3 Nxe3 10. Qxe3 cxd4 11. cxd4 Nb6 12. g3 Nd5 13. Qb3 Be6 14. Bc4 dxe5 15. dxe5 a6 16. Ngf3 b5 17. Bxd5 Bxd5 18. Qe3 Qd7 19. 0-0 Qxh3 20. Kf2 Rac8 21. Rh1 Qd7 22. Rad1 Qb7 23. Rh4 Rc2 24. Ke1 e6 25. Ng5 h6 26. Nde4 Bxe4 27. Nxe4 Qe7 28. f5 exf5 29. Nf6+ Bxf6 0-1

[Event "Niedersachsen-ch op B"]
[Site "Verden"]
[Date "2019.01.06"]
[Round "7"]
[White "Zoellner, Bente"]
[Black "Pfeifer, Frank"]
[Result "1-0"]
[ECO "A57"]
[WhiteElo "1598"]
[BlackElo "1474"]
[PlyCount "61"]
[EventDate "2019.01.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. Nc3 axb5 6. e3 b4 7. Nb1 d6 8. Nf3 g6 9. Be2 Bg7 10. 0-0 0-0 11. a3 Bb7 12. Bc4 Nbd7 13. Ra2 Nb6 14. b3 Nbxd5 15. Rd2 Nc3 16. Nxc3 bxc3 17. Rc2 d5 18. Be2 Ne4 19. Bd3 d4 20. exd4 cxd4 21. Re1 Nc5 22. Bc4 Nxb3 23. Bxb3 d3 24. Ra2 d2 25. Nxd2 cxd2 26. Rxd2 Qc7 27. Rd7 Qb6 28. Rexe7 Ba6 29. Rxf7 Kh8 30. Be3 Qa5 31. Rxg7 1-0

[Event "Niedersachsen-ch op B"]
[Site "Verden"]
[Date "2019.01.05"]
[Round "5"]
[White "Haselhorst, Nils"]
[Black "Pfeifer, Frank"]
[Result "1-0"]
[ECO "B03"]
[WhiteElo "1409"]
[BlackElo "1474"]
[PlyCount "75"]
[EventDate "2019.01.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. d4 d6 5. exd6 exd6 6. Nc3 Nc6 7. Be3 Be7 8. Nf3 Bg4 9. h3 Bh5 10. g4 Bg6 11. d5 Nb4 12. Rc1 Nd7 13. a3 Na6 14. b4 0-0 15. Be2 Re8 16. 0-0 Bf6 17. Bd4 Ne5 18. Nxe5 Bxe5 19. f4 Bxd4+ 20. Qxd4 Qh4 21. Rf3 b6 22. Bf1 Re7 23. f5 Bxf5 24. Rxf5 Qg3+ 25. Bg2 Rae8 26. Rcf1 f6 27. R5f3 Qh4 28. Qf2 Qg5 29. Rf5 Qg6 30. Qd2 Nb8 31. Kf2 Nd7 32. Nb5 Ne5 33. Qc2 a6 34. Nd4 Qh6 35. Qc3 Nxc4 36. Ne6 Qh4+ 37. Kg1 b5 38. Rh5 1-0

[Event "Niedersachsen-ch op B"]
[Site "Verden"]
[Date "2019.01.05"]
[Round "6"]
[White "Pfeifer, Frank"]
[Black "Brunner, Alexander1111"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1474"]
[BlackElo "1448"]
[PlyCount "53"]
[EventDate "2019.01.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Bc4 Bg4 6. f3 Bh5 7. Bd2 Qb6 8. Nge2 c6 9. Bb3 Nbd7 10. Be3 0-0-0 11. Qd2 Qc7 12. 0-0-0 e5 13. dxe5 Nxe5 14. Qxd8+ Qxd8 15. Rxd8+ Kxd8 16. Bxa7 Kc7 17. Bf2 Bd6 18. Bg3 Re8 19. Nf4 Re7 20. Rd1 g5 21. Nxh5 Nxh5 22. Ne4 Nxg3 23. hxg3 Bb4 24. c3 Ba5 25. Nxg5 f5 26. Ne6+ Kb8 27. Nd4 1-0

[Event "Niedersachsen-ch op B"]
[Site "Verden"]
[Date "2019.01.04"]
[Round "3"]
[White "Buetow, Ingo"]
[Black "Pfeifer, Frank"]
[Result "1-0"]
[ECO "A21"]
[WhiteElo "1642"]
[BlackElo "1474"]
[PlyCount "33"]
[EventDate "2019.01.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 e5 2. g3 f5 3. d4 e4 4. Nc3 d6 5. Bg2 Be6 6. d5 Bf7 7. f3 exf3 8. Nxf3 Nd7 9. Ng5 Qe7 10. Nxf7 Qxf7 11. 0-0 Qh5 12. Nb5 Kd8 13. Nd4 Ne7 14. Ne6+ Kc8 15. Bg5 g6 16. Bf3 Qh3 17. Nf4 1-0

[Event "Niedersachsen-ch op B"]
[Site "Verden"]
[Date "2019.01.04"]
[Round "4"]
[White "Pfeifer, Frank"]
[Black "Hapke, Nils"]
[Result "1/2-1/2"]
[ECO "C10"]
[WhiteElo "1474"]
[BlackElo "1556"]
[PlyCount "57"]
[EventDate "2019.01.03"]
[EventType "swiss"]
[EventRounds "7"]
[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. Nc3 dxe4 4. Nxe4 Nd7 5. Be3 Ngf6 6. Bd3 a6 7. Qf3 Rb8 8. 0-0-0 b5 9. g4 Be7 10. h4 Nxe4 11. Bxe4 Bxh4 12. Qh3 Be7 13. f4 Bb7 14. Bxb7 Rxb7 15. Nf3 Qc8 16. g5 h6 17. f5 exf5 18. Qxf5 Nb6 19. Qe4 c6 20. gxh6 gxh6 21. Rxh6 Rxh6 22. Bxh6 Qe6 23. Qxe6 fxe6 24. Re1 Kd7 25. Ne5+ Kd6 26. b3 Bh4 27. Re2 Rh7 28. Bf4 Nd5 29. Bd2 1/2-1/2

[Event "Niedersachsen-ch op B"]
[Site "Verden"]
[Date "2019.01.03"]
[Round "2"]
[White "Brinkers, Niklas"]
[Black "Pfeifer, Frank"]
[Result "1-0"]
[ECO "A02"]
[WhiteElo "1801"]
[BlackElo "1474"]
[PlyCount "83"]
[EventDate "2019.01.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. f4 f5 2. e4 d6 3. e5 e6 4. Nf3 Nh6 5. d4 Be7 6. Be3 Ng4 7. Qd2 d5 8. g3 c6 9. h3 Nxe3 10. Qxe3 Qb6 11. Qb3 Nd7 12. Nbd2 a5 13. c3 Qa7 14. Bd3 a4 15. Qc2 b5 16. a3 Ba6 17. g4 g6 18. gxf5 exf5 19. h4 0-0-0 20. 0-0-0 Kb8 21. e6 Nf6 22. Ne5 Rc8 23. Bxf5 gxf5 24. Qxf5 c5 25. dxc5 Qxc5 26. Kb1 Bb7 27. Rhg1 Rhg8 28. Rxg8 Rxg8 29. Qxf6 Bxf6 30. Nd7+ Kc7 31. Nxc5 Bc8 32. Nd7 Bxd7 33. exd7 Kxd7 34. Nf3 Kd6 35. Ng5 h6 36. Ne4+ Ke6 37. Nxf6 Kxf6 38. Rxd5 Rg4 39. h5 Rxf4 40. Rxb5 Rf5 41. Rxf5+ Kxf5 42. c4 1-0

[Event "Niedersachsen-ch op B"]
[Site "Verden"]
[Date "2019.01.03"]
[Round "1"]
[White "Pfeifer, Frank"]
[Black "Santos, Jose"]
[Result "1-0"]
[ECO "B25"]
[WhiteElo "1474"]
[BlackElo "1761"]
[PlyCount "65"]
[EventDate "2019.01.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. f4 g6 4. g3 Bg7 5. Nge2 d6 6. Bg2 e6 7. d3 Nge7 8. 0-0 0-0 9. h3 d5 10. e5 a6 11. g4 f6 12. exf6 Bxf6 13. Ng3 Qc7 14. Nce2 Bd7 15. c3 Rad8 16. Be3 b6 17. g5 Bg7 18. h4 e5 19. h5 exf4 20. Nxf4 d4 21. Bd2 Be5 22. hxg6 Nxg6 23. Qb3+ Kh8 24. Nxg6+ hxg6 25. Ne4 Kg7 26. Rae1 Bf5 27. Rf3 Bh2+ 28. Kf1 Bh3 29. Nf6 Bxg2+ 30. Kxg2 Bd6 31. Rh3 Rh8 32. Reh1 Qb8 33. Rh7+ 1-0

[Event "Niedersachsen-ch op B"]
[Site "Verden"]
[Date "2018.01.07"]
[Round "7"]
[White "Pfeifer, Frank"]
[Black "Sinnhoefer, Joshua"]
[Result "0-1"]
[ECO "C28"]
[WhiteElo "1479"]
[BlackElo "1561"]
[PlyCount "20"]
[EventDate "2018.01.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. Bc4 Nc6 4. a3 Bc5 5. d3 d6 6. Be3 Bg4 7. Qd2 Nd4 8. h3 Bd7 9. Nge2 0-0 10. g4 Nf3+ 0-1

[Event "Niedersachsen-ch op B"]
[Site "Verden"]
[Date "2018.01.06"]
[Round "6"]
[White "Nietsch, Felix"]
[Black "Pfeifer, Frank"]
[Result "1-0"]
[ECO "B08"]
[WhiteElo "1598"]
[BlackElo "1479"]
[PlyCount "71"]
[EventDate "2018.01.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Nc3 d6 4. e4 Nbd7 5. Bf4 c5 6. dxc5 Nxc5 7. e5 Nfe4 8. exd6 Bg7 9. Bb5+ Bd7 10. dxe7 Bxc3+ 11. bxc3 Qxe7 12. Bxd7+ Qxd7 13. Qd4 Qxd4 14. cxd4 Ne6 15. Be3 f5 16. Rc1 f4 17. Bd2 0-0-0 18. c3 g5 19. 0-0 Nxd2 20. Nxd2 Rd6 21. Ne4 Ra6 22. Rc2 h6 23. d5 Nc7 24. c4 Rh7 25. f3 Ra5 26. Re1 Rd7 27. d6 Na6 28. c5 Nb4 29. Rc4 Nd3 30. Re2 Ne5 31. Rc3 Nc6 32. Nf6 Rd8 33. Nd5 Nd4 34. Ne7+ Kd7 35. Rb2 b6 36. c6+ 1-0

[Event "Niedersachsen-ch op B"]
[Site "Verden"]
[Date "2018.01.06"]
[Round "5"]
[White "Pfeifer, Frank"]
[Black "Reimer, Philip"]
[Result "1-0"]
[ECO "B24"]
[WhiteElo "1479"]
[BlackElo "1580"]
[PlyCount "61"]
[EventDate "2018.01.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 e6 4. Bg2 Nf6 5. d3 Be7 6. f4 d6 7. Nf3 0-0 8. Be3 d5 9. Bf2 Ng4 10. Bg1 dxe4 11. Nxe4 Qc7 12. Nfg5 e5 13. h3 Nh6 14. Be3 Nf5 15. Bd2 Nfd4 16. 0-0 h6 17. Nf3 exf4 18. Bxf4 Qb6 19. b3 Bf5 20. Nxd4 Nxd4 21. c3 Ne6 22. Be3 Qc7 23. Rxf5 Rad8 24. Qg4 Kh7 25. Raf1 Rxd3 26. Bxh6 gxh6 27. Rxf7+ Rxf7 28. Rxf7+ Kh8 29. Qxe6 Qxg3 30. Qxh6+ Kg8 31. Qh7# 1-0

[Event "Niedersachsen-ch op B"]
[Site "Verden"]
[Date "2018.01.05"]
[Round "3"]
[White "Pfeifer, Frank"]
[Black "Sturm, Hubert"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "1479"]
[BlackElo "1739"]
[PlyCount "86"]
[EventDate "2018.01.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. g3 Nf6 4. f4 e6 5. Bg2 Be7 6. Nf3 0-0 7. d3 a6 8. 0-0 Qc7 9. Be3 Nc6 10. Ne2 Rd8 11. h3 Rb8 12. g4 h6 13. Ng3 Nh7 14. g5 hxg5 15. fxg5 g6 16. Qd2 d5 17. e5 Bf8 18. h4 Ne7 19. h5 Nf5 20. hxg6 fxg6 21. Nxf5 exf5 22. Nh4 Kg7 23. Rae1 Be6 24. Bh3 d4 25. Bf4 Be7 26. Re2 Rh8 27. Bxf5 gxf5 28. Nxf5+ Bxf5 29. e6 Qc6 30. Rh2 Qxe6 31. Bxb8 Rxb8 32. Re1 Qf7 33. Qf4 Re8 34. g6 Bxg6 35. Qh6+ Kh8 36. Rg2 Rg8 37. Kh1 Bf8 38. Qh2 Qd5 39. Re5 Qf7 40. Re1 Qf3 41. Qe5+ Qf6 42. Qe2 Bd6 43. Reg1 Qh4+ 0-1

[Event "Niedersachsen-ch op B"]
[Site "Verden"]
[Date "2018.01.05"]
[Round "4"]
[White "Wohlrabe, Joerg"]
[Black "Pfeifer, Frank"]
[Result "1-0"]
[ECO "B03"]
[WhiteElo "1651"]
[BlackElo "1479"]
[PlyCount "61"]
[EventDate "2018.01.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 Nb6 4. Nf3 d5 5. Be2 Bf5 6. b3 e6 7. 0-0 Be7 8. Bb2 a6 9. a4 Nc6 10. c3 g5 11. h3 h5 12. Nh2 Kd7 13. Bxh5 Qg8 14. Bg4 Qh7 15. Bxf5 Qxf5 16. Bc1 Rag8 17. Ng4 Kc8 18. Ba3 Nd7 19. Bxe7 Nxe7 20. b4 Rh4 21. Nd2 Rgh8 22. f3 Ng6 23. Qb1 Qf4 24. Qe1 Qf5 25. Qb1 Qf4 26. Rf2 Rxh3 27. gxh3 Qg3+ 28. Rg2 Qxh3 29. Nf2 Qh4 30. Nf1 Nf4 31. Rh2 1-0

[Event "Niedersachsen-ch op B"]
[Site "Verden"]
[Date "2018.01.04"]
[Round "1"]
[White "Pfeifer, Frank"]
[Black "Neumann, Tiemon"]
[Result "1-0"]
[ECO "B24"]
[WhiteElo "1479"]
[BlackElo "1647"]
[PlyCount "61"]
[EventDate "2018.01.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 a6 3. g3 Nc6 4. Bg2 Nf6 5. d3 e6 6. f4 Be7 7. e5 Ng8 8. Qg4 Bf8 9. Be3 Nh6 10. Qe2 Nf5 11. Bxc6 bxc6 12. Bf2 Rb8 13. b3 Qa5 14. Qd2 c4 15. dxc4 Bc5 16. Bxc5 Qxc5 17. Nf3 Bb7 18. 0-0-0 Ne3 19. Qxd7+ Kf8 20. Ng5 Qa3+ 21. Kd2 Nxc4+ 22. Ke2 Nxe5 23. fxe5 Qe7 24. Qxe7+ Kxe7 25. Rd6 f6 26. Rxe6+ Kd7 27. Rd1+ Kc7 28. exf6 gxf6 29. Re7+ Kb6 30. Na4+ Ka7 31. Nf7 1-0

[Event "Niedersachsen-ch op B"]
[Site "Verden"]
[Date "2018.01.04"]
[Round "2"]
[White "Schuett, Norbert"]
[Black "Pfeifer, Frank"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "1708"]
[BlackElo "1479"]
[PlyCount "56"]
[EventDate "2018.01.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 g6 3. Nc3 d6 4. e4 Nbd7 5. Nf3 c5 6. d5 Bg7 7. Be2 Qb6 8. Rb1 Nxe4 9. Nxe4 Qb4+ 10. Qd2 Qxe4 11. 0-0 Nf6 12. c4 Nh5 13. Be3 Bf5 14. Ng5 Qc2 15. Qxc2 Bxc2 16. Rbc1 Ba4 17. b3 Bd7 18. Bxh5 gxh5 19. Rfe1 h6 20. Ne4 0-0-0 21. Bf4 h4 22. Nd2 Rde8 23. h3 Rhg8 24. Kf1 Bf5 25. Nf3 Bd3+ 26. Kg1 Bf5 27. Kf1 Bd3+ 28. Kg1 Bf5 1/2-1/2

[Event "Niedersachsen-ch op-C"]
[Site "Verden"]
[Date "2017.01.08"]
[Round "7"]
[White "Moerke, Niklas"]
[Black "Pfeifer, Frank"]
[Result "1/2-1/2"]
[ECO "B05"]
[WhiteElo "1552"]
[BlackElo "1589"]
[PlyCount "30"]
[EventDate "2017.01.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. d4 d6 5. exd6 exd6 6. Nf3 Bg4 7. h3 Bh5 8. Bd3 Nc6 9. Be3 Qf6 10. Be4 h6 11. Nc3 Nxc4 12. Nd5 Qd8 13. Qe2 Nxe3 14. Qxe3 Bxf3 15. Bxf3+ Be7 1/2-1/2

[Event "Niedersachsen-ch op-C"]
[Site "Verden"]
[Date "2017.01.07"]
[Round "5"]
[White "Drezek, Wieslaw"]
[Black "Pfeifer, Frank"]
[Result "0-1"]
[ECO "B03"]
[WhiteElo "1585"]
[BlackElo "1589"]
[PlyCount "84"]
[EventDate "2017.01.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. d4 d6 5. Bf4 dxe5 6. Bxe5 Nc6 7. c5 Nd5 8. Bb5 Bd7 9. Bg3 a6 10. Bc4 Bf5 11. a3 e6 12. Nf3 Be7 13. Nbd2 h5 14. h3 g5 15. Qe2 g4 16. hxg4 Bxg4 17. Qd3 Nf6 18. b4 Bf5 19. Qc3 Nd5 20. Qb2 Bf6 21. Be5 Bxe5 22. dxe5 Nf4 23. g3 Nd3+ 24. Bxd3 Qxd3 25. 0-0-0 0-0-0 26. Qb3 Bg4 27. Qxd3 Rxd3 28. Ne1 Rxa3 29. f3 Bf5 30. Nb1 Bxb1 31. Kb2 Ra4 32. Kb3 Rxb4+ 33. Ka3 Bg6 34. Ng2 Rd8 35. Nf4 Rxd1 36. Rxd1 Rd4 37. Rh1 Nxe5 38. Nxh5 Bxh5 39. Rxh5 Rd5 40. Rh8+ Kd7 41. f4 Nd3 42. Rf8 Ke7 0-1

[Event "Niedersachsen-ch op-C"]
[Site "Verden"]
[Date "2017.01.07"]
[Round "6"]
[White "Pfeifer, Frank"]
[Black "Zucker, Stefan"]
[Result "1/2-1/2"]
[ECO "C25"]
[WhiteElo "1589"]
[BlackElo "1905"]
[PlyCount "33"]
[EventDate "2017.01.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nc6 3. a3 f5 4. Bc4 Nf6 5. f3 Bc5 6. Nge2 a6 7. d3 Bb6 8. Bg5 h6 9. Bxf6 Qxf6 10. Nd5 Qg6 11. g3 fxe4 12. dxe4 Rf8 13. Qd3 Qh5 14. f4 Nd4 15. Nxb6 cxb6 16. Nxd4 exd4 17. Qxd4 1/2-1/2

[Event "Niedersachsen-ch op-C"]
[Site "Verden"]
[Date "2017.01.06"]
[Round "4"]
[White "Pfeifer, Frank"]
[Black "Kiesel, Lucas"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1589"]
[BlackElo "1698"]
[PlyCount "58"]
[EventDate "2017.01.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. e4 d6 2. c3 Nf6 3. d3 g6 4. Be3 Bg7 5. Nf3 0-0 6. h3 c5 7. Qd2 Nc6 8. Be2 c4 9. g4 cxd3 10. Bxd3 d5 11. e5 Ne4 12. Qc2 f5 13. exf6 Nxf6 14. Nbd2 e5 15. Bxg6 d4 16. cxd4 Nxd4 17. Bxd4 exd4 18. Qc4+ Kh8 19. Bd3 Re8+ 20. Kf1 Nd5 21. Re1 Rxe1+ 22. Kxe1 Be6 23. Nxd4 Bg8 24. Nf5 Rc8 25. Qe4 Rc1+ 26. Ke2 Rxh1 27. Nxg7 Rxh3 28. Qd4 Nf4+ 29. Qxf4 Qxd3+ 0-1

[Event "Niedersachsen-ch op-C"]
[Site "Verden"]
[Date "2017.01.06"]
[Round "3"]
[White "Pfeifer, Frank"]
[Black "Silber, Stefanie"]
[Result "1-0"]
[ECO "B10"]
[WhiteElo "1589"]
[BlackElo "1708"]
[PlyCount "91"]
[EventDate "2017.01.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. e4 c6 2. f4 d5 3. e5 e6 4. d4 Ne7 5. Nf3 Qb6 6. Nbd2 c5 7. Nb3 cxd4 8. Qxd4 Qc7 9. Bd3 Nbc6 10. Qf2 Nb4 11. Be3 Nec6 12. 0-0 Nxd3 13. cxd3 Be7 14. Rac1 f6 15. Qg3 0-0 16. d4 Bd7 17. Qh3 f5 18. Ng5 h6 19. Nf3 b6 20. Bf2 Qd8 21. g4 fxg4 22. Qxg4 Rf5 23. Kh1 Qf8 24. Be3 Bd8 25. Rg1 Ne7 26. Nh4 Rf7 27. Qh5 Kh7 28. Rg2 Nf5 29. Qg6+ Kh8 30. Nxf5 Rxf5 31. Rcg1 Rf7 32. Nd2 Re7 33. Nf3 Be8 34. Qg3 Rc8 35. Nh4 Rec7 36. Qh3 Qg8 37. Ng6+ Kh7 38. Qxe6 Rc6 39. Qf5 Bxg6 40. Rxg6 Rxg6 41. Rxg6 Bc7 42. Rxb6+ Kh8 43. Rc6 Qd8 44. Qf7 Bb6 45. Rxc8 Qxc8 46. Qxd5 1-0

[Event "Niedersachsen-ch op-C"]
[Site "Verden"]
[Date "2017.01.05"]
[Round "2"]
[White "Ernst, Holger"]
[Black "Pfeifer, Frank"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "1417"]
[BlackElo "1589"]
[PlyCount "78"]
[EventDate "2017.01.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 Ne4 3. Bf4 d5 4. f3 Nd6 5. Nc3 c6 6. e4 e6 7. Bd3 dxe4 8. fxe4 Nb5 9. Nxb5 cxb5 10. Bxb5+ Bd7 11. Bxd7+ Qxd7 12. Nf3 Nc6 13. c3 Bd6 14. e5 Bc7 15. 0-0 Ne7 16. Ng5 h6 17. Ne4 Qd5 18. Qf3 0-0-0 19. Be3 Nf5 20. Bf2 h5 21. Ng5 Qxf3 22. Nxf3 Rd7 23. Rfd1 Bd8 24. Rac1 g5 25. c4 h4 26. d5 g4 27. Ne1 g3 28. hxg3 hxg3 29. Bxa7 b6 30. c5 Rxd5 31. cxb6+ Kb7 32. Rxd5 exd5 33. Rd1 d4 34. Nf3 Be7 35. a3 Ne3 36. Rd3 Ng4 37. b4 Nf2 38. Nh2 Nxd3 39. Ng4 Rh4 0-1

[Event "Niedersachsen-ch op-C"]
[Site "Verden"]
[Date "2017.01.05"]
[Round "1"]
[White "Wallat, Jessica"]
[Black "Pfeifer, Frank"]
[Result "1-0"]
[ECO "B03"]
[WhiteElo "1774"]
[BlackElo "1589"]
[PlyCount "61"]
[EventDate "2017.01.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 exd6 6. Nc3 Bf5 7. Nf3 Nc6 8. a3 Be7 9. Be2 h6 10. Be3 d5 11. c5 Nc4 12. Bxc4 dxc4 13. d5 Nb8 14. Ne5 0-0 15. Nxc4 Re8 16. 0-0 Bg5 17. f4 Bf6 18. Bd4 Nd7 19. d6 b6 20. dxc7 Bxd4+ 21. Qxd4 Qxc7 22. Nd6 Nxc5 23. Nxf5 f6 24. Rae1 Rad8 25. Rxe8+ Rxe8 26. Nd5 Qd7 27. Nxf6+ gxf6 28. Qxf6 Nd3 29. Qg6+ Kh8 30. Nd6 Re7 31. Qxd3 1-0

[Event "Niedersachsen-ch op-B"]
[Site "Verden"]
[Date "2016.01.06"]
[Round "7"]
[White "Mitzko, Berthold"]
[Black "Pfeifer, Frank"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "1575"]
[BlackElo "1614"]
[PlyCount "78"]
[EventDate "2016.01.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 g6 3. e3 d6 4. Be2 Nbd7 5. Nf3 Bg7 6. Nbd2 Nh5 7. Bg5 c5 8. c3 cxd4 9. exd4 0-0 10. 0-0 h6 11. Be3 a6 12. Re1 b5 13. a3 Bb7 14. Nf1 f5 15. Nh4 f4 16. Bd2 e6 17. Bxh5 Qxh4 18. Bg4 Nf6 19. Bxe6+ Kh7 20. f3 Rae8 21. Bb3 Qg5 22. Bc2 h5 23. Ng3 Rxe1+ 24. Qxe1 Bxf3 25. gxf3 h4 26. Qf2 hxg3 27. hxg3 Qxg3+ 28. Qxg3 fxg3 29. Kg2 Re8 30. Re1 Rxe1 31. Bxe1 Nh5 32. Bd2 d5 33. Bb3 Bh6 34. Bxh6 Kxh6 35. a4 Kg5 36. Bc2 Kh4 37. axb5 axb5 38. Kg1 Nf4 39. Bd1 Kh3 0-1

[Event "Niedersachsen-ch op-B"]
[Site "Verden"]
[Date "2016.01.05"]
[Round "5"]
[White "Fischer, Manfred"]
[Black "Pfeifer, Frank"]
[Result "0-1"]
[ECO "B02"]
[WhiteElo "1823"]
[BlackElo "1614"]
[PlyCount "48"]
[EventDate "2016.01.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 Nf6 2. Nc3 d5 3. exd5 Nxd5 4. Nxd5 Qxd5 5. Nf3 Bf5 6. d4 Qe4+ 7. Be3 Qc6 8. c4 Nd7 9. Be2 0-0-0 10. 0-0 h6 11. b4 g5 12. d5 Qg6 13. Nd4 a6 14. a4 e5 15. Nxf5 Qxf5 16. Bd3 e4 17. Bd4 Rg8 18. Be2 g4 19. Rb1 Ne5 20. Bxe5 Qxe5 21. Bxg4+ f5 22. Bh5 Bd6 23. f4 exf3 24. g3 Rxg3+ 0-1

[Event "Niedersachsen-ch op-B"]
[Site "Verden"]
[Date "2016.01.05"]
[Round "6"]
[White "Pfeifer, Frank"]
[Black "Sommer, Andreas"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "1614"]
[BlackElo "1773"]
[PlyCount "85"]
[EventDate "2016.01.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. f4 Nf6 4. g3 Nc6 5. Bg2 Bg4 6. Nge2 e6 7. h3 Bxe2 8. Nxe2 Be7 9. d3 Qc7 10. Be3 b5 11. c3 Rb8 12. g4 h6 13. Ng3 a5 14. Qf3 Nd8 15. g5 hxg5 16. fxg5 Nd7 17. Nh5 Ne5 18. Qe2 Nxd3+ 19. Qxd3 Rxh5 20. g6 Bh4+ 21. Ke2 e5 22. gxf7+ Nxf7 23. Bf3 Rh8 24. Bg4 Qc6 25. Be6 c4 26. Qd5 Nd8 27. Rhf1 Bf6 28. Rad1 Qxd5 29. Bxd5 Rxh3 30. Ba7 Rc8 31. Bb6 Ke7 32. Bxa5 Ne6 33. Bb4 Nf4+ 34. Kf2 Bh4+ 35. Kg1 Rg3+ 36. Kh1 Rh8 37. Rd2 Bg5+ 38. Rh2 Rxh2+ 39. Kxh2 Rg2+ 40. Kh1 Rxb2 41. a3 Bh4 42. Bc6 Bg3 43. Kg1 0-1

[Event "Niedersachsen-ch op-B"]
[Site "Verden"]
[Date "2016.01.04"]
[Round "3"]
[White "Grasser, Stefan"]
[Black "Pfeifer, Frank"]
[Result "1-0"]
[ECO "A21"]
[WhiteElo "1767"]
[BlackElo "1614"]
[PlyCount "93"]
[EventDate "2016.01.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 f5 3. e4 d6 4. Nf3 Nf6 5. d3 fxe4 6. dxe4 c6 7. h3 Be7 8. Be2 0-0 9. Be3 Be6 10. Ng5 Bd7 11. Qb3 h6 12. Nf3 Qc8 13. Rd1 Na6 14. g4 g5 15. Qc2 Kg7 16. Nh2 Nb4 17. Qc1 c5 18. 0-0 Nc6 19. Nd5 Nxd5 20. exd5 Nd4 21. Bxd4 cxd4 22. Bd3 Rf4 23. f3 Qc7 24. Rf2 Raf8 25. Be4 Qa5 26. b3 Bd8 27. Rd3 Qc5 28. Nf1 Ba5 29. Ng3 Qc8 30. Nh5+ Kh8 31. Nxf4 Rxf4 32. Qa3 Qc7 33. b4 Bb6 34. Qb3 a5 35. a3 a4 36. Qa2 Ba7 37. Rb2 b5 38. Rc2 bxc4 39. Rxc4 Qd8 40. Qc2 Rf8 41. Rc7 Bb8 42. Rb7 Qe8 43. Rd1 Qf7 44. Bf5 Qxd5 45. Rxd7 Qxf3 46. Rh7+ Kg8 47. Be6+ 1-0

[Event "Niedersachsen-ch op-B"]
[Site "Verden"]
[Date "2016.01.04"]
[Round "4"]
[White "Pfeifer, Frank"]
[Black "Newerla, Alfred"]
[Result "1-0"]
[ECO "B24"]
[WhiteElo "1614"]
[BlackElo "1683"]
[PlyCount "53"]
[EventDate "2016.01.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. f4 d6 4. g3 g6 5. Bg2 Bg7 6. Nd5 Nf6 7. Nxf6+ Bxf6 8. c3 0-0 9. Nf3 e5 10. d3 Qb6 11. Qe2 Bg7 12. 0-0 Kh8 13. Nh4 f5 14. exf5 Bxf5 15. Nxf5 Rxf5 16. Be4 Rff8 17. Qg4 exf4 18. Qh3 Ne7 19. Bxf4 d5 20. Bg2 d4 21. Rae1 Rae8 22. Re6 Qxb2 23. c4 Rf6 24. Rfe1 Rxe6 25. Qxe6 Qb6 26. Qf7 Qd8 27. Bxb7 1-0

[Event "Niedersachsen-ch op-B"]
[Site "Verden"]
[Date "2016.01.03"]
[Round "2"]
[White "Pfeifer, Frank"]
[Black "Bulmahn, Aaron Aime"]
[Result "0-1"]
[ECO "C27"]
[WhiteElo "1614"]
[BlackElo "1541"]
[PlyCount "46"]
[EventDate "2016.01.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. Bc4 Bc5 4. Nge2 0-0 5. d3 h6 6. Be3 Bxe3 7. fxe3 d6 8. h3 Nc6 9. a3 Nh7 10. Ng3 Ne7 11. Qh5 Nf6 12. Qf3 c6 13. Nf5 Ng6 14. Qg3 Kh7 15. Rf1 d5 16. exd5 cxd5 17. Bb3 d4 18. Nd1 Qa5+ 19. Ke2 e4 20. Nxd4 Nh5 21. Qf2 Qe5 22. Bxf7 Ne7 23. Qh4 Ng3+ 0-1

[Event "Niedersachsen-ch op-B"]
[Site "Verden"]
[Date "2016.01.03"]
[Round "1"]
[White "Silber, Stefanie"]
[Black "Pfeifer, Frank"]
[Result "1/2-1/2"]
[ECO "B02"]
[WhiteElo "1586"]
[BlackElo "1614"]
[PlyCount "119"]
[EventDate "2016.01.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 Nf6 2. Nc3 d5 3. e5 Nfd7 4. Nf3 Nb6 5. d4 Bg4 6. Be2 e6 7. Bf4 Be7 8. Qd2 Bxf3 9. Bxf3 Nc4 10. Qd3 Nc6 11. 0-0-0 Nb4 12. Qe2 c5 13. a3 Qa5 14. a4 b5 15. b3 Na3 16. Nxb5 Naxc2 17. Rd2 Nxd4 18. Nxd4 cxd4 19. Qb5+ Qxb5 20. axb5 d3 21. Kb2 Kd7 22. Rdd1 Rhc8 23. Rc1 d2 24. Rc3 Bc5 25. Kb1 Bd4 26. Rxc8 Rxc8 27. Bxd2 Nc2 28. Rc1 Na3+ 29. Ka2 Nxb5 30. Rxc8 Kxc8 31. Be2 a6 32. f4 Kb7 33. Bh5 g6 34. Bf3 Nc3+ 35. Bxc3 Bxc3 36. g4 Bd2 37. f5 Bf4 38. fxe6 fxe6 39. h4 g5 40. hxg5 Bxg5 41. Be2 h6 42. Bd3 Bf4 43. Bg6 Kc7 44. Ka3 Bxe5 45. Kb4 Bd6+ 46. Ka5 Kc6 47. Kxa6 e5 48. Ka5 e4 49. b4 Bc7+ 50. Ka4 e3 51. Bd3 d4 52. Kb3 Kd5 53. Kc2 Ke5 54. Kb3 Kf4 55. Be2 Kg3 56. Kc4 Kf2 57. Kd3 Bd6 58. b5 Bc5 59. Bd1 Bb6 60. Be2 1/2-1/2

[Event "Niedersachsen-ch op-B"]
[Site "Verden"]
[Date "2015.01.05"]
[Round "7"]
[White "Pfeifer, Frank"]
[Black "Stelljes, Fabian"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1629"]
[BlackElo "1294"]
[PlyCount "177"]
[EventDate "2015.01.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. Bb5+ Bd7 4. Be2 Nxd5 5. c4 Nf6 6. d4 Bf5 7. Nf3 e6 8. 0-0 Be7 9. Nc3 0-0 10. Qb3 b6 11. Ne5 Qd6 12. Nb5 Qd8 13. Bf3 Be4 14. Bxe4 Nxe4 15. Qf3 f5 16. Be3 Bf6 17. Rad1 Qe7 18. Rd3 c5 19. Rfd1 Bxe5 20. dxe5 Nc6 21. Rd7 Qh4 22. Nc7 Nxe5 23. Qe2 Ng4 24. h3 Nxe3 25. Qxe3 Nf6 26. Qxe6+ Kh8 27. R7d3 Ne4 28. Rf1 Rac8 29. Qe5 Qg5 30. Ne6 Qf6 31. Qxf6 Rxf6 32. Nf4 g6 33. Rd7 a5 34. Rfd1 Rcc6 35. Re1 Rcd6 36. Rb7 Rd2 37. f3 Nd6 38. Rxb6 Rf8 39. b3 Rd4 40. Nd5 Nxc4 41. bxc4 Rxc4 42. Rb5 Ra8 43. Nb6 Rb8 44. Nxc4 Rxb5 45. Re8+ Kg7 46. Ra8 Rb4 47. Ne5 a4 48. Ra7+ Kh6 49. Nd3 Rc4 50. Ra5 Rc2 51. Rxa4 c4 52. Nb4 Rc1+ 53. Kf2 c3 54. Ra3 Rb1 55. Rb3 Rc1 56. g4 f4 57. a3 Kg5 58. a4 c2 59. Rc3 Rb1 60. Nxc2 Kh4 61. a5 Kxh3 62. a6 Rd1 63. Rc7 Rd2+ 64. Ke1 Rd8 65. Ke2 Kg3 66. a7 Re8+ 67. Kd3 Kxf3 68. Rb7 Ra8 69. g5 Kg2 70. Ke4 f3 71. Ne1+ Kg3 72. Nxf3 Kg4 73. Nd4 Kxg5 74. Nb5 h5 75. Rb8 Rxa7 76. Nxa7 Kg4 77. Nc6 h4 78. Ne5+ Kg3 79. Nxg6 h3 80. Rb3+ Kg4 81. Ne5+ Kh4 82. Nf3+ Kg4 83. Ke3 Kg3 84. Ke2 Kg2 85. Ke1 Kh1 86. Rb1 Kg2 87. Ke2 Kg3 88. Rg1+ Kf4 89. Kf2 1-0

[Event "Niedersachsen-ch op-B"]
[Site "Verden"]
[Date "2015.01.04"]
[Round "5"]
[White "Pfeifer, Frank"]
[Black "Sanasi, Marcello"]
[Result "1/2-1/2"]
[ECO "B06"]
[WhiteElo "1629"]
[BlackElo "1582"]
[PlyCount "40"]
[EventDate "2015.01.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. f4 d5 4. e5 c5 5. Nc3 cxd4 6. Qxd4 e6 7. Be3 Ne7 8. 0-0-0 0-0 9. g4 Nbc6 10. Qd2 a6 11. Nf3 b5 12. h4 Qa5 13. Kb1 Rd8 14. Nd4 Nxd4 15. Qxd4 Nc6 16. Qb6 Qxb6 17. Bxb6 Rd7 18. Bg2 Bb7 19. Ne4 a5 20. h5 a4 1/2-1/2

[Event "Niedersachsen-ch op-B"]
[Site "Verden"]
[Date "2015.01.04"]
[Round "6"]
[White "Ter Stal, Esther"]
[Black "Pfeifer, Frank"]
[Result "1-0"]
[ECO "A31"]
[WhiteElo "1482"]
[BlackElo "1629"]
[PlyCount "129"]
[EventDate "2015.01.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 c5 4. Nc3 Bg7 5. e4 cxd4 6. Nxd4 d6 7. Be2 0-0 8. 0-0 Nbd7 9. Be3 Nc5 10. f3 Bd7 11. Qd2 Ne6 12. Nxe6 Bxe6 13. Nd5 Nxd5 14. cxd5 Bd7 15. Rac1 f5 16. Bd3 e5 17. dxe6 Bxe6 18. Bc4 Bxc4 19. Rxc4 fxe4 20. Qd5+ Kh8 21. Rxe4 b6 22. b3 Rc8 23. Rd1 Rc2 24. a4 Be5 25. Bd4 Qg5 26. Bxe5+ dxe5 27. Qxe5+ Qxe5 28. Rxe5 Rf7 29. Red5 Rb2 30. Rd7 Rxd7 31. Rxd7 a5 32. Rd3 Kg7 33. h4 Kh6 34. Kh2 Kh5 35. Kh3 Rb1 36. g4+ Kh6 37. Kg3 Kg7 38. g5 Kg8 39. f4 Rg1+ 40. Kf3 Rf1+ 41. Kg4 Rg1+ 42. Rg3 Rb1 43. f5 gxf5+ 44. Kxf5 Rh1 45. Kg4 Rd1 46. Rf3 Rd4+ 47. Kh5 Rd6 48. Kg4 Kg7 49. h5 Rd4+ 50. Rf4 Rd3 51. h6+ Kg8 52. Rf3 Rd4+ 53. Kf5 Rd5+ 54. Kf6 Rc5 55. Re3 Rc6+ 56. Re6 Rxe6+ 57. Kxe6 Kf8 58. Kf6 Kg8 59. g6 hxg6 60. Kxg6 Kh8 61. h7 b5 62. axb5 a4 63. b6 axb3 64. b7 b2 65. b8Q# 1-0

[Event "Niedersachsen-ch op-B"]
[Site "Verden"]
[Date "2015.01.03"]
[Round "3"]
[White "Pfeifer, Frank"]
[Black "Grasser, Stefan"]
[Result "1/2-1/2"]
[ECO "B26"]
[WhiteElo "1629"]
[BlackElo "1784"]
[PlyCount "41"]
[EventDate "2015.01.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. f4 e6 4. g3 d6 5. Bg2 Nge7 6. d3 g6 7. Be3 Bg7 8. Qd2 a6 9. Nf3 b6 10. g4 f5 11. gxf5 gxf5 12. e5 d5 13. d4 cxd4 14. Nxd4 Nxd4 15. Qxd4 Rb8 16. Bf3 Ng6 17. 0-0-0 Bd7 18. Rdg1 Bf8 19. h4 Bc5 20. Qd3 Bxe3+ 21. Qxe3 1/2-1/2

[Event "Niedersachsen-ch op-B"]
[Site "Verden"]
[Date "2015.01.03"]
[Round "4"]
[White "Weis, Hans Juergen"]
[Black "Pfeifer, Frank"]
[Result "1/2-1/2"]
[ECO "A56"]
[WhiteElo "1589"]
[BlackElo "1629"]
[PlyCount "23"]
[EventDate "2015.01.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. dxc5 Qa5+ 4. Nc3 Qxc5 5. e3 g6 6. Qd4 Qxd4 7. exd4 Nc6 8. Be3 Bg7 9. Nf3 0-0 10. Be2 e6 11. 0-0 a6 12. a3 1/2-1/2

[Event "Niedersachsen-ch op-B"]
[Site "Verden"]
[Date "2015.01.02"]
[Round "2"]
[White "Mitzko, Berthold"]
[Black "Pfeifer, Frank"]
[Result "1/2-1/2"]
[ECO "A48"]
[WhiteElo "1625"]
[BlackElo "1629"]
[PlyCount "82"]
[EventDate "2015.01.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bf4 d6 4. e3 Bg7 5. Be2 Nbd7 6. Nbd2 0-0 7. c3 a6 8. h3 c5 9. 0-0 b5 10. Rc1 c4 11. Re1 Bb7 12. Qc2 Nh5 13. Bh2 f5 14. Ng5 Rf6 15. Bf3 Bxf3 16. Ngxf3 Bh6 17. Rcd1 g5 18. Re2 Qe8 19. e4 g4 20. hxg4 fxg4 21. Nh4 Nf4 22. Bxf4 Bxf4 23. g3 Qh5 24. Kg2 Rh6 25. Rh1 Bg5 26. Ree1 Rf8 27. Nf5 Qf7 28. Nxh6+ Bxh6 29. Re2 Bxd2 30. Qxd2 Qf3+ 31. Kg1 e5 32. Re3 Qf6 33. Rh4 Qg6 34. Re2 h5 35. Re3 exd4 36. cxd4 Nf6 37. Qe2 d5 38. e5 Ne4 39. Rh2 Ng5 40. Kf1 Nf3 41. Rxf3 Rxf3 1/2-1/2

[Event "Niedersachsen-ch op-B"]
[Site "Verden"]
[Date "2015.01.02"]
[Round "1"]
[White "Pfeifer, Frank"]
[Black "Schroeer, Birgit"]
[Result "1-0"]
[ECO "C30"]
[WhiteElo "1629"]
[BlackElo "1003"]
[PlyCount "53"]
[EventDate "2015.01.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. Bc4 Bc5 4. f4 d6 5. Nf3 Nc6 6. f5 h6 7. a3 Qe7 8. Na4 Bd7 9. Nxc5 dxc5 10. d3 0-0-0 11. c3 g6 12. fxg6 fxg6 13. b4 Bg4 14. b5 Na5 15. Qa4 Nxc4 16. Qxc4 Be6 17. Qa4 Rxd3 18. Nxe5 Rxc3 19. Qxa7 c6 20. Nxc6 Qc7 21. Qa8+ Kd7 22. Qxh8 bxc6 23. Qxf6 Qa5 24. bxc6+ Kd6 25. Bf4+ Kxc6 26. Qxe6+ Kb5 27. a4+ 1-0

[Event "Niedersachsen-ch op-B"]
[Site "Verden"]
[Date "2014.01.05"]
[Round "7"]
[White "Pfeifer, Frank"]
[Black "Kramer, Norbert"]
[Result "1/2-1/2"]
[ECO "C27"]
[WhiteElo "1668"]
[BlackElo "1790"]
[PlyCount "87"]
[EventDate "2014.01.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 d6 3. Bc4 Nf6 4. f4 Nc6 5. f5 Nxe4 6. Bxf7+ Kxf7 7. Qh5+ Kg8 8. Nxe4 Be7 9. c3 Qf8 10. g4 Bd7 11. d3 Be8 12. Qh3 Bf7 13. Ne2 Re8 14. Bg5 d5 15. f6 dxe4 16. fxe7 Nxe7 17. dxe4 Nc6 18. 0-0-0 h6 19. Be3 Qe7 20. Kb1 Qe6 21. b3 h5 22. Rhg1 hxg4 23. Qg2 Rh3 24. Ng3 a5 25. Nf5 Bh5 26. Nxg7 Qg6 27. Nxe8 Rxe3 28. Nxc7 Rxc3 29. Nd5 Rh3 30. Rc1 Kh7 31. Kb2 Qh6 32. Qf2 Kg7 33. Rcf1 Qd6 34. Qd2 Qg6 35. Rf5 Kh8 36. Qg2 Qh6 37. Rgf1 Bf7 38. Rxf7 Rxh2 39. Rf8+ Kh7 40. R1f7+ Kg6 41. Rf6+ Kg7 42. Rxh6 Rxg2+ 43. Ka3 Kxh6 44. Ne3 1/2-1/2

[Event "Niedersachsen-ch op-B"]
[Site "Verden"]
[Date "2014.01.04"]
[Round "5"]
[White "Pfeifer, Frank"]
[Black "Flauss, Jessica"]
[Result "1-0"]
[ECO "C25"]
[WhiteElo "1668"]
[BlackElo "1426"]
[PlyCount "51"]
[EventDate "2014.01.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nc6 3. f4 d6 4. f5 Nf6 5. Nf3 Be7 6. a3 Bd7 7. Bc4 Nd4 8. d3 c5 9. Bd2 b5 10. Ba2 Qb6 11. Nd5 Nxd5 12. Bxd5 Rc8 13. c3 Nxf3+ 14. Qxf3 0-0 15. 0-0 Bc6 16. Bxc6 Rxc6 17. Qg3 Bf6 18. Rf3 c4+ 19. Be3 Qb7 20. Bh6 Kh8 21. Bg5 Qb6+ 22. Kh1 Bxg5 23. Qxg5 cxd3 24. Rg3 Rg8 25. f6 g6 26. Qh6 1-0

[Event "Niedersachsen-ch op-B"]
[Site "Verden"]
[Date "2014.01.04"]
[Round "6"]
[White "Rickling, Renee"]
[Black "Pfeifer, Frank"]
[Result "1-0"]
[ECO "A48"]
[WhiteElo "1757"]
[BlackElo "1668"]
[PlyCount "45"]
[EventDate "2014.01.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Nbd2 d6 4. e3 Bg7 5. Bd3 Nbd7 6. e4 c5 7. c3 a6 8. Qe2 0-0 9. 0-0 b5 10. e5 c4 11. exf6 cxd3 12. Qe4 Nxf6 13. Qxa8 d5 14. Qb8 Ne4 15. Nxe4 dxe4 16. Nd2 Qd5 17. Qf4 f5 18. f3 e5 19. fxe4 fxe4 20. Qxe4 Rxf1+ 21. Kxf1 Qxe4 22. Nxe4 Bb7 23. Nc5 1-0

[Event "Niedersachsen-ch op-B"]
[Site "Verden"]
[Date "2014.01.03"]
[Round "4"]
[White "Helmer, Jan"]
[Black "Pfeifer, Frank"]
[Result "1-0"]
[ECO "A03"]
[WhiteElo "1573"]
[BlackElo "1668"]
[PlyCount "51"]
[EventDate "2014.01.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. f4 d5 2. Nf3 c5 3. e3 Nc6 4. Bb5 a6 5. Bxc6+ bxc6 6. 0-0 Bg4 7. b3 e6 8. Bb2 Nf6 9. d3 Nd7 10. Nbd2 f6 11. Qe1 Be7 12. Qg3 f5 13. h3 h5 14. hxg4 hxg4 15. Ng5 Bxg5 16. fxg5 Qxg5 17. Rae1 Ke7 18. Nf3 Qg6 19. Ne5 Nxe5 20. Qxe5 Rag8 21. Ba3 g3 22. Bxc5+ Ke8 23. Qb8+ Kf7 24. Qc7+ Kf6 25. Qe7+ Ke5 26. Bd6# 1-0

[Event "Niedersachsen-ch op-B"]
[Site "Verden"]
[Date "2014.01.03"]
[Round "3"]
[White "Pfeifer, Frank"]
[Black "Tenninger, Joerg"]
[Result "1-0"]
[ECO "C14"]
[WhiteElo "1668"]
[BlackElo "1574"]
[PlyCount "71"]
[EventDate "2014.01.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. Bxf6 Bxf6 6. e5 Be7 7. Qg4 0-0 8. Bd3 Nd7 9. Nf3 c5 10. 0-0-0 cxd4 11. Qxd4 a6 12. h4 b5 13. Qg4 h6 14. Qh5 b4 15. Nb1 Nc5 16. g4 Qe8 17. g5 Nxd3+ 18. Rxd3 f5 19. g6 f4 20. Nbd2 Qa4 21. Kb1 Bd7 22. Ng5 Rf5 23. Qg4 Rc8 24. Nb3 Qc6 25. Nd4 Qc7 26. Nf7 Bb5 27. Rd2 Rxe5 28. Nxe5 Qxe5 29. Qxe6+ Qxe6 30. Nxe6 Rc4 31. h5 Bd7 32. Re1 Bf6 33. Rxd5 Bc6 34. Rc5 Rxc5 35. Nxc5 Bb5 36. Nxa6 1-0

[Event "Niedersachsen-ch op-B"]
[Site "Verden"]
[Date "2014.01.02"]
[Round "2"]
[White "Petri, Ben Luca"]
[Black "Pfeifer, Frank"]
[Result "0-1"]
[ECO "B02"]
[WhiteElo "1091"]
[BlackElo "1668"]
[PlyCount "58"]
[EventDate "2014.01.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. c5 Nd5 5. d4 d6 6. cxd6 exd6 7. Nf3 Bg4 8. Be2 Be7 9. 0-0 Nc6 10. Nc3 dxe5 11. Nxe5 Bxe2 12. Nxe2 Nxe5 13. dxe5 Qd7 14. b3 0-0-0 15. Bb2 Qg4 16. Nc3 Qe6 17. Qe2 g5 18. Rfd1 Nf4 19. Qe4 Qg4 20. Nd5 Nh3+ 21. Kf1 Qxe4 22. Nxe7+ Kb8 23. gxh3 Rhe8 24. Rxd8+ Rxd8 25. Re1 Qf3 26. Kg1 Rd1 27. Rxd1 Qxd1+ 28. Kg2 Qc2 29. Bd4 Qe4+ 0-1

[Event "Niedersachsen-ch op-B"]
[Site "Verden"]
[Date "2014.01.02"]
[Round "1"]
[White "Pfeifer, Frank"]
[Black "Nietsch, Felix"]
[Result "1/2-1/2"]
[ECO "C11"]
[WhiteElo "1668"]
[BlackElo "960"]
[PlyCount "115"]
[EventDate "2014.01.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Bb5 Qb6 8. Bxc6 bxc6 9. 0-0 cxd4 10. Nxd4 Ba6 11. Rf3 c5 12. Nde2 Bxe2 13. Nxe2 c4+ 14. Kh1 Nc5 15. c3 Ne4 16. Qa4+ Kd8 17. Nd4 Bc5 18. Qd1 Bxd4 19. cxd4 a5 20. g4 g6 21. Kg2 Ke7 22. b3 c3 23. Ba3+ Kd7 24. Rc1 Rac8 25. b4 axb4 26. Qa4+ Kd8 27. Qxb4 Qxb4 28. Bxb4 c2 29. Ra3 Kd7 30. Ra7+ Rc7 31. Rxc7+ Kxc7 32. Rxc2+ Kd7 33. a4 Rc8 34. Rxc8 Kxc8 35. h4 h6 36. Kf3 Kb7 37. Bf8 h5 38. gxh5 gxh5 39. Bb4 Kb6 40. f5 Ka6 41. Kf4 Kb6 42. f6 Ka6 43. Ke3 Kb6 44. Kd3 Ng3 45. Kc2 Ne2 46. Bc3 Ng3 47. Kb3 Nf5 48. Kb4 Nxh4 49. a5+ Kb7 50. Kb5 Ng6 51. Be1 h4 52. a6+ Ka7 53. Kc6 h3 54. Bg3 Nh4 55. Kd7 Nf3 56. Ke7 Ng5 57. Bh2 Kxa6 58. Kf8 1/2-1/2

[Event "Niedersachsen-ch op-C"]
[Site "Verden"]
[Date "2013.01.06"]
[Round "7"]
[White "Gawollek, Hans"]
[Black "Pfeifer, Frank"]
[Result "0-1"]
[ECO "A57"]
[WhiteElo "1445"]
[BlackElo "1710"]
[PlyCount "94"]
[EventDate "2013.01.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. e3 bxc4 5. Bxc4 d6 6. Nc3 g6 7. Nf3 Bg7 8. 0-0 0-0 9. h3 Nfd7 10. Qc2 Nb6 11. b3 Nxc4 12. bxc4 Ba6 13. Nd2 Nd7 14. Rb1 Nb6 15. Nb5 Qd7 16. Re1 Nxd5 17. cxd5 Bxb5 18. e4 a6 19. Nf3 Rfb8 20. Bf4 Rb6 21. Be3 Rab8 22. Qc1 Bd3 23. Rxb6 Rxb6 24. Qd2 Bxe4 25. Bxc5 Rb2 26. Qe3 Bxf3 27. Ba3 Rxa2 28. Qxf3 Qa7 29. Rf1 Bd4 30. Bc1 Ra1 31. Qe2 Bg7 32. Re1 Bf6 33. g3 Qc5 34. Qd1 Bg5 35. Qb3 Rxc1 36. Qb8+ Qc8 37. Qb4 Rxe1+ 38. Qxe1 Qc1 39. Kf1 Qxe1+ 40. Kxe1 e6 41. f4 Bd8 42. dxe6 fxe6 43. Ke2 Bb6 44. g4 a5 45. Kd3 a4 46. Kc3 a3 47. Kb3 Bc5 0-1

[Event "Niedersachsen-ch op-C"]
[Site "Verden"]
[Date "2013.01.05"]
[Round "6"]
[White "Pfeifer, Frank"]
[Black "Eschholz, Dario"]
[Result "0-1"]
[ECO "B25"]
[WhiteElo "1710"]
[BlackElo "1533"]
[PlyCount "72"]
[EventDate "2013.01.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. f4 e6 4. g3 g6 5. Bg2 Bg7 6. Nge2 Nge7 7. d3 0-0 8. 0-0 d6 9. h3 Bd7 10. g4 f5 11. Qe1 a6 12. Qh4 Nc8 13. Qg3 N8e7 14. Rf3 Nb4 15. Bd2 Nxc2 16. Rc1 Nd4 17. Nxd4 Bxd4+ 18. Kh1 Bg7 19. g5 Rb8 20. h4 b6 21. h5 Kf7 22. Qh2 Nc6 23. Rh3 Nd4 24. hxg6+ hxg6 25. exf5 Nxf5 26. Rf1 Rh8 27. Rff3 Qc7 28. Nd1 Bc6 29. Rxh8 Rxh8 30. Rh3 Bxg2+ 31. Qxg2 Rxh3+ 32. Qxh3 Qc6+ 33. Kg1 Nd4 34. Kf2 Qb5 35. Qh1 Qxd3 36. Qb7+ Kg8 0-1

[Event "Niedersachsen-ch op-C"]
[Site "Verden"]
[Date "2013.01.05"]
[Round "5"]
[White "Von Muenchhausen, Joerg"]
[Black "Pfeifer, Frank"]
[Result "1-0"]
[ECO "A57"]
[WhiteElo "1821"]
[BlackElo "1710"]
[PlyCount "69"]
[EventDate "2013.01.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. b6 g6 6. Qb3 Bb7 7. Nc3 d6 8. Bg5 Nbd7 9. Bxf6 Nxf6 10. a4 c4 11. Qb4 Nxd5 12. Nxd5 Bxd5 13. a5 Bg7 14. f3 e6 15. e4 Bb7 16. Bxc4 0-0 17. Ne2 Rc8 18. 0-0 Rc5 19. Rfd1 Qg5 20. Rxd6 Qe3+ 21. Kh1 Rh5 22. h3 Bf6 23. Qd2 Qc5 24. Rc1 Bh4 25. g3 Bg5 26. f4 Rxh3+ 27. Kg2 Rh2+ 28. Kxh2 Qf2+ 29. Kh3 Bxe4 30. Rg1 Bf5+ 31. g4 Qh4+ 32. Kg2 Bxg4 33. fxg5 Bh3+ 34. Kf3 Qxc4 35. Rd8 1-0

[Event "Niedersachsen-ch op-C"]
[Site "Verden"]
[Date "2013.01.04"]
[Round "3"]
[White "Aden, Keno"]
[Black "Pfeifer, Frank"]
[Result "1/2-1/2"]
[ECO "B04"]
[WhiteElo "1461"]
[BlackElo "1710"]
[PlyCount "46"]
[EventDate "2013.01.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. Nc3 Nb6 4. Nf3 d6 5. d4 Bg4 6. Bf4 e6 7. Be2 a6 8. h3 Bxf3 9. Bxf3 d5 10. a3 Nc6 11. 0-0 Qh4 12. Ne2 g5 13. Bg3 Qh6 14. b3 Qg6 15. Nc3 h5 16. Be2 Ne7 17. Bd3 Qh6 18. Re1 h4 19. Bh2 Ng6 20. Qf3 Rg8 21. Nd1 Rg7 22. Ne3 0-0-0 23. Ng4 Qh5 1/2-1/2

[Event "Niedersachsen-ch op-C"]
[Site "Verden"]
[Date "2013.01.04"]
[Round "4"]
[White "Pfeifer, Frank"]
[Black "Kienel, Michael"]
[Result "1-0"]
[ECO "C33"]
[WhiteElo "1710"]
[BlackElo "1456"]
[PlyCount "63"]
[EventDate "2013.01.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nc6 3. Bc4 Nf6 4. f4 exf4 5. Nf3 d6 6. d4 Bg4 7. Bxf4 Bxf3 8. gxf3 h6 9. Qd2 Nd7 10. Ne2 g5 11. Bg3 Bg7 12. c3 Qf6 13. Rf1 0-0-0 14. 0-0-0 a6 15. Qc2 Nb6 16. Bd3 Qe7 17. f4 g4 18. e5 h5 19. Be4 d5 20. Bd3 f6 21. e6 Kb8 22. f5 Na5 23. Nf4 Bh6 24. Kb1 Bxf4 25. Bxf4 Nac4 26. Qb3 h4 27. Rg1 Rdg8 28. Bxc4 dxc4 29. Qxb6 g3 30. d5 gxh2 31. Rxg8+ Rxg8 32. Bxh2 1-0

[Event "Niedersachsen-ch op-C"]
[Site "Verden"]
[Date "2013.01.03"]
[Round "1"]
[White "Brunner, Sophia"]
[Black "Pfeifer, Frank"]
[Result "0-1"]
[ECO "A21"]
[WhiteElo "1184"]
[BlackElo "1710"]
[PlyCount "116"]
[EventDate "2013.01.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 f5 3. d3 Bc5 4. e4 d6 5. Nf3 c6 6. Bg5 Qd7 7. Be2 f4 8. Bh4 Qg4 9. g3 fxg3 10. Bxg3 Qe6 11. d4 exd4 12. Nxd4 Qf6 13. Nf3 Bh3 14. Bf1 Bxf1 15. Rxf1 Nd7 16. Qd2 Qxf3 17. Bxd6 0-0-0 18. Rd1 Ngf6 19. Qf4 Qxf4 20. Bxf4 Rhe8 21. f3 h6 22. a3 Nh5 23. Bg3 Ne5 24. Rxd8+ Kxd8 25. Bxe5 Rxe5 26. b4 Be7 27. f4 Re6 28. Ke2 Kd7 29. f5 Re5 30. Rd1+ Kc7 31. Ke3 Bf6 32. b5 Rc5 33. Rc1 Bg5+ 34. Kd4 Bxc1 35. Kxc5 Bxa3+ 36. Kd4 Bb2 37. bxc6 Kxc6 38. e5 Kd7 39. Kd3 Bxc3 40. Kxc3 Ke7 41. c5 Nf4 42. Kd4 Ne2+ 43. Kd5 Nc3+ 44. Kc4 Ne4 45. Kd4 Nd2 46. Kd5 Nf3 47. c6 bxc6+ 48. Kxc6 Nxe5+ 49. Kd5 Kf6 50. Kc5 Kxf5 51. Kb5 Kg4 52. Ka6 g5 53. Kxa7 Kh3 54. Kb6 Kxh2 55. Kc5 g4 56. Kd4 g3 57. Kxe5 g2 58. Kf6 g1Q 0-1

[Event "Niedersachsen-ch op-C"]
[Site "Verden"]
[Date "2013.01.03"]
[Round "2"]
[White "Pfeifer, Frank"]
[Black "Brockmann, Marc"]
[Result "1-0"]
[ECO "C10"]
[WhiteElo "1710"]
[BlackElo "1375"]
[PlyCount "49"]
[EventDate "2013.01.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bd7 5. Bd3 Bc6 6. c3 Nd7 7. Nf3 Ngf6 8. Nxf6+ Nxf6 9. 0-0 Be7 10. Ne5 Be4 11. Bxe4 Nxe4 12. Qf3 Nd6 13. Be3 0-0 14. b3 c6 15. Qg4 Nf5 16. Bd2 Bd6 17. f4 Bxe5 18. fxe5 g6 19. Rf3 Rc8 20. Bg5 Qd7 21. Bf6 h5 22. Rh3 Kh7 23. Rf1 Nh6 24. Rxh5 Rg8 25. Rxh6+ 1-0

[Event "Karl Mala Memorial op 14th"]
[Site "Frankfurt"]
[Date "2011.07.10"]
[Round "7"]
[White "Dittmar, Lars"]
[Black "Pfeifer, Frank"]
[Result "1/2-1/2"]
[ECO "B05"]
[WhiteElo "1519"]
[BlackElo "1751"]
[PlyCount "58"]
[EventDate "2011.07.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. d4 d6 5. exd6 exd6 6. Nf3 Bg4 7. Be2 Be7 8. b3 Nc6 9. Bb2 Bf6 10. Nbd2 Qd7 11. 0-0 0-0-0 12. a4 Qf5 13. Bc3 Qg6 14. Re1 Bh3 15. Bf1 h5 16. b4 Bg4 17. b5 Nxd4 18. Bxd4 Bxd4 19. Ra2 Bc3 20. a5 Bxd2 21. Rxd2 Nd7 22. Qb3 Nc5 23. Qa3 Rde8 24. Rde2 Rxe2 25. Rxe2 h4 26. b6 a6 27. bxc7 h3 28. g3 Qf6 29. Re3 Bxf3 1/2-1/2

[Event "Karl Mala Memorial op 14th"]
[Site "Frankfurt"]
[Date "2011.07.10"]
[Round "6"]
[White "Pfeifer, Frank"]
[Black "Roling, Alexander"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "1751"]
[BlackElo "1433"]
[PlyCount "62"]
[EventDate "2011.07.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 a6 3. f4 Nc6 4. d3 d6 5. g3 g6 6. Bg2 Bg7 7. Nge2 Rb8 8. Nd5 e6 9. Ne3 Nge7 10. c3 0-0 11. 0-0 f5 12. h3 Bd7 13. g4 b5 14. Ng3 b4 15. Bd2 Qc7 16. gxf5 exf5 17. Nd5 Nxd5 18. exd5 Na5 19. Rc1 bxc3 20. bxc3 Rb2 21. h4 Rxa2 22. h5 Ba4 23. Qe1 Re8 24. Ne4 fxe4 25. Bxe4 Rxd2 26. hxg6 hxg6 27. Qxd2 Nb3 28. Qh2 Rxe4 29. dxe4 Nxc1 30. Rxc1 Qe7 31. Qa2 Qxe4 0-1

[Event "Karl Mala Memorial op 14th"]
[Site "Frankfurt"]
[Date "2011.07.09"]
[Round "5"]
[White "Beck, Michael"]
[Black "Pfeifer, Frank"]
[Result "1-0"]
[ECO "B03"]
[WhiteElo "2013"]
[BlackElo "1751"]
[PlyCount "73"]
[EventDate "2011.07.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 exd6 6. Nc3 Be7 7. Bd3 Nc6 8. Be3 Bf6 9. Nge2 Bg4 10. f3 Bh4+ 11. Ng3 Bh5 12. 0-0 Bxg3 13. hxg3 Qe7 14. Re1 0-0-0 15. Nd5 Nxd5 16. cxd5 Nb4 17. Bf5+ Kb8 18. Bd2 Qf6 19. Bxb4 Qxf5 20. g4 Bxg4 21. fxg4 Qxd5 22. Qd2 h5 23. g5 h4 24. Qe3 Rh5 25. Bd2 b6 26. Qf3 Qxf3 27. gxf3 Rd7 28. Kh2 f6 29. gxf6 gxf6 30. Re4 h3 31. Rg1 d5 32. Re6 f5 33. Rg3 Rdh7 34. Re5 c6 35. Rg5 Rh4 36. f4 Rg4 37. Rexf5 1-0

[Event "Karl Mala Memorial op 14th"]
[Site "Frankfurt"]
[Date "2011.07.09"]
[Round "4"]
[White "Pfeifer, Frank"]
[Black "Pruefert, Franziska"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1751"]
[BlackElo "1408"]
[PlyCount "51"]
[EventDate "2011.07.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 d6 2. f4 g6 3. Nf3 Bg7 4. Bc4 Nf6 5. d3 0-0 6. c3 Bd7 7. Be3 b5 8. Bb3 c5 9. Nbd2 Ng4 10. Qe2 Nxe3 11. Qxe3 a5 12. Rc1 b4 13. 0-0 Nc6 14. Kh1 Kh8 15. Ng5 e6 16. g4 h6 17. Qh3 Kg8 18. Ngf3 f5 19. gxf5 gxf5 20. exf5 Rxf5 21. Qxf5 Qe7 22. Qg6 Rf8 23. Qg3 Kh8 24. Nh4 Be8 25. Ba4 Qf6 26. Ne4 1-0

[Event "Karl Mala Memorial op 14th"]
[Site "Frankfurt"]
[Date "2011.07.08"]
[Round "3"]
[White "Lebermann, Hellmuth"]
[Black "Pfeifer, Frank"]
[Result "1-0"]
[ECO "E61"]
[WhiteElo "2012"]
[BlackElo "1751"]
[PlyCount "61"]
[EventDate "2011.07.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 d6 4. Nc3 Bg7 5. Bf4 0-0 6. Qd2 Nbd7 7. Bh6 c5 8. Bxg7 Kxg7 9. e3 b6 10. Be2 e5 11. 0-0-0 Bb7 12. d5 Ng4 13. Rdf1 f5 14. h3 Ngf6 15. Ng5 Re8 16. Ne6+ Rxe6 17. dxe6 Nf8 18. f3 Nxe6 19. Rd1 Qe8 20. Qxd6 Qf7 21. Qxe5 Re8 22. Qg3 Nh5 23. Qf2 f4 24. e4 Nd4 25. Bd3 a6 26. Rhe1 b5 27. cxb5 axb5 28. Bxb5 Ra8 29. Rxd4 cxd4 30. Qxd4+ Kh6 31. Qd7 1-0

[Event "Karl Mala Memorial op 14th"]
[Site "Frankfurt"]
[Date "2011.07.08"]
[Round "2"]
[White "Pfeifer, Frank"]
[Black "Patzak, Corinna"]
[Result "1-0"]
[ECO "C30"]
[WhiteElo "1751"]
[BlackElo "1264"]
[PlyCount "63"]
[EventDate "2011.07.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. f4 d6 3. Nf3 Nc6 4. Bc4 Bg4 5. c3 Nf6 6. d3 Qd7 7. b4 d5 8. exd5 Nxd5 9. h3 Bxf3 10. Qxf3 0-0-0 11. 0-0 Qd6 12. a4 Nxc3 13. Nxc3 Qd4+ 14. Be3 Qxc3 15. b5 Nd4 16. Qg4+ Kb8 17. fxe5 Bc5 18. Rac1 Qb2 19. Bxd4 Bxd4+ 20. Kh1 Bxe5 21. a5 Rhf8 22. a6 Rd6 23. Qf3 c6 24. bxc6 Rxc6 25. Rb1 Qb6 26. Rxb6 Rxb6 27. axb7 Rxb7 28. Qe4 f6 29. d4 Bc7 30. Rb1 Rb6 31. Rxb6+ axb6 32. Ba6 1-0

[Event "Karl Mala Memorial op 14th"]
[Site "Frankfurt"]
[Date "2011.07.07"]
[Round "1"]
[White "Fellhauer, Clemens"]
[Black "Pfeifer, Frank"]
[Result "1-0"]
[ECO "B02"]
[WhiteElo "2178"]
[BlackElo "1751"]
[PlyCount "41"]
[EventDate "2011.07.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. Bc4 e6 4. Nf3 Nb6 5. Bb3 d6 6. 0-0 dxe5 7. Nxe5 Bd6 8. d4 Bxe5 9. dxe5 Qxd1 10. Rxd1 0-0 11. Nc3 Nc6 12. Bf4 Na5 13. Nb5 c6 14. Nd6 Nxb3 15. axb3 Nd5 16. Bg3 b5 17. c4 Nc7 18. f4 a6 19. Bf2 Ne8 20. Nxc8 Rxc8 21. Bc5 1-0

[Event "Niedersachsen-ch op"]
[Site "Verden"]
[Date "2011.01.05"]
[Round "7"]
[White "Reinkemeier, Fabian"]
[Black "Pfeifer, Frank"]
[Result "1/2-1/2"]
[ECO "B02"]
[WhiteElo "1707"]
[BlackElo "1748"]
[PlyCount "85"]
[EventDate "2011.01.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 Nf6 2. Nc3 d5 3. e5 Nfd7 4. f4 Nb6 5. d4 e6 6. Nf3 c5 7. Be3 cxd4 8. Nxd4 Bd7 9. Be2 Nc6 10. a3 a6 11. Na2 Rc8 12. b3 Bxa3 13. Rb1 Nxd4 14. Bxd4 Bc5 15. c3 0-0 16. h4 Bxd4 17. cxd4 f6 18. g4 fxe5 19. fxe5 Qe8 20. Nb4 Bb5 21. Qd2 Qg6 22. Rd1 Qe4 23. Rg1 Rf3 24. Rg2 Rcf8 25. Rg1 Qxg4 26. Qg5 Qxg5 27. hxg5 Bxe2 28. Kxe2 Rxb3 29. Nd3 Nc4 30. g6 hxg6 31. Rxg6 Rb6 32. Rdg1 Rf7 33. Nc5 Rb2+ 34. Kd1 Rb1+ 35. Kc2 Rxg1 36. Rxg1 Rc7 37. Kd3 a5 38. Rb1 b6 39. Na4 Kf7 40. Nxb6 Rb7 41. Rf1+ Kg6 42. Nxc4 dxc4+ 43. Kxc4 1/2-1/2

[Event "Niedersachsen-ch op"]
[Site "Verden"]
[Date "2011.01.04"]
[Round "6"]
[White "Pfeifer, Frank"]
[Black "Cegielka, Michael"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "1748"]
[BlackElo "1271"]
[PlyCount "117"]
[EventDate "2011.01.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. f4 g6 4. g3 d6 5. Nd5 Bg7 6. c3 Be6 7. Ne3 Nf6 8. Bg2 0-0 9. d3 b5 10. e5 Rc8 11. exf6 Bxf6 12. Nf3 a5 13. 0-0 b4 14. Bd2 Rc7 15. Ng5 Bd7 16. Nd5 Ra7 17. Nxf6+ exf6 18. Ne4 Qe7 19. Re1 Bg4 20. Nxf6+ Qxf6 21. Qxg4 Ne7 22. Re2 Nf5 23. Rae1 Re7 24. Rxe7 Nxe7 25. Qd7 Nf5 26. Re8 Rxe8 27. Qxe8+ Kg7 28. Qe1 h5 29. a3 Kf8 30. axb4 axb4 31. Bc6 Kg7 32. cxb4 cxb4 33. Bxb4 d5 34. Bc3 d4 35. Be4 dxc3 36. Qxc3 Qxc3 37. bxc3 Nd6 38. Kf2 f5 39. Bc6 Kf7 40. Ke3 Ke6 41. Kd4 Nc8 42. Be8 Ne7 43. Kc5 Kf6 44. c4 Nc8 45. d4 g5 46. Bxh5 g4 47. Be8 Ke7 48. Ba4 Nd6 49. Kd5 Ne4 50. Ke5 Nd2 51. c5 Nf3+ 52. Kxf5 Nxh2 53. d5 Kd8 54. c6 Kc7 55. Bd1 Nf1 56. Bxg4 Ne3+ 57. Kg5 Nxd5 58. f5 Kd6 59. Bf3 1-0

[Event "Niedersachsen-ch op"]
[Site "Verden"]
[Date "2011.01.04"]
[Round "5"]
[White "Rinck, Michael"]
[Black "Pfeifer, Frank"]
[Result "1/2-1/2"]
[ECO "B02"]
[WhiteElo "1348"]
[BlackElo "1748"]
[PlyCount "74"]
[EventDate "2011.01.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 Nf6 2. Nc3 d5 3. e5 Nfd7 4. d4 Nb6 5. Nf3 Bf5 6. Be2 e6 7. 0-0 Be7 8. Be3 a6 9. a3 g5 10. b4 g4 11. Nd2 h5 12. Rb1 Nc6 13. Na2 Bg5 14. Bxg5 Qxg5 15. f4 Qg6 16. c3 Bxb1 17. Qxb1 Qh6 18. Nb3 Nd7 19. Bd1 Ne7 20. Bc2 Ng6 21. Bxg6 fxg6 22. Nac1 b6 23. a4 Ke7 24. a5 Raf8 25. Nd3 Rf5 26. Qa2 Rhf8 27. axb6 cxb6 28. Qxa6 Rxf4 29. Nxf4 Rxf4 30. Rxf4 Qxf4 31. Qd3 Qf5 32. Nc1 h4 33. g3 h3 34. Qxf5 gxf5 35. Kf2 b5 36. Ke3 Nb6 37. Ne2 Kf7 1/2-1/2

[Event "Niedersachsen-ch op"]
[Site "Verden"]
[Date "2011.01.03"]
[Round "4"]
[White "Pfeifer, Frank"]
[Black "Jung, Gerald"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "1748"]
[BlackElo "2044"]
[PlyCount "68"]
[EventDate "2011.01.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. f4 g6 4. g3 Bg7 5. Nd5 e6 6. Ne3 Nge7 7. c3 0-0 8. Bg2 d6 9. Nf3 Rb8 10. d3 b5 11. h4 b4 12. Bd2 Ba6 13. h5 Bxd3 14. Ng5 h6 15. hxg6 hxg5 16. Qh5 fxg6 17. Qxg5 Qe8 18. Ng4 Qf7 19. Qh4 Rfd8 20. Qh7+ Kf8 21. Nh6 Bxh6 22. Qxh6+ Qg7 23. Qh3 Kf7 24. f5 exf5 25. g4 Bxe4 26. Bxe4 fxe4 27. Bh6 Qe5 28. 0-0+ Kg8 29. Rf2 bxc3 30. bxc3 Nd5 31. Raf1 Qxc3 32. Qh1 Qd4 33. Qh3 Rb2 34. g5 Nf4 0-1

[Event "Niedersachsen-ch op"]
[Site "Verden"]
[Date "2011.01.03"]
[Round "3"]
[White "Torkler, Simon"]
[Black "Pfeifer, Frank"]
[Result "0-1"]
[ECO "A57"]
[WhiteElo "1345"]
[BlackElo "1748"]
[PlyCount "48"]
[EventDate "2011.01.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. b3 g6 5. Nc3 b4 6. Na4 d6 7. a3 bxa3 8. Bxa3 a5 9. Nf3 Bg7 10. e3 Na6 11. Nc3 0-0 12. Qd2 Ne4 13. Nxe4 Bxa1 14. Be2 Rb8 15. 0-0 Bg7 16. Qd3 Bf5 17. Rb1 Nb4 18. Bxb4 Rxb4 19. Nh4 Bxe4 20. Qxe4 Qd7 21. Bd1 Rfb8 22. Bc2 f5 23. Qf4 a4 24. h3 a3 0-1

[Event "Niedersachsen-ch op"]
[Site "Verden"]
[Date "2011.01.02"]
[Round "2"]
[White "Pfeifer, Frank"]
[Black "Menze, Gerold"]
[Result "1/2-1/2"]
[ECO "C36"]
[WhiteElo "1748"]
[BlackElo "1257"]
[PlyCount "46"]
[EventDate "2011.01.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e5 2. f4 d5 3. exd5 exf4 4. Nf3 Qxd5 5. Nc3 Qe6+ 6. Be2 Bd6 7. 0-0 Ne7 8. d4 0-0 9. Bd3 Ng6 10. Ne2 Qf6 11. c4 Bg4 12. Bd2 c5 13. Bc3 Bxf3 14. Rxf3 cxd4 15. Nxd4 Bc5 16. Bxg6 fxg6 17. Kh1 Rd8 18. Rd3 Nc6 19. Nxc6 Rxd3 20. Qxd3 Qxc6 21. b4 Be3 22. Rd1 Re8 23. b5 Qe4 1/2-1/2

[Event "Niedersachsen-ch op"]
[Site "Verden"]
[Date "2011.01.02"]
[Round "1"]
[White "Ten Vergert, Paul"]
[Black "Pfeifer, Frank"]
[Result "1-0"]
[ECO "B03"]
[WhiteElo "2149"]
[BlackElo "1748"]
[PlyCount "47"]
[EventDate "2011.01.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. d4 d6 5. f4 dxe5 6. fxe5 Nc6 7. Be3 Bf5 8. Nc3 e6 9. Nf3 Be7 10. d5 exd5 11. cxd5 Nb4 12. Nd4 Bd7 13. e6 fxe6 14. dxe6 Bc6 15. Nxc6 Nxc6 16. Qf3 Bf6 17. Bc5 Nd4 18. Qe4 c6 19. 0-0-0 Qc7 20. Bxd4 0-0-0 21. Be2 Nd5 22. Nxd5 cxd5+ 23. Qc2 Rd6 24. Qxc7+ 1-0

[Event "Karl Mala Memorial op 13th"]
[Site "Frankfurt"]
[Date "2010.07.17"]
[Round "3"]
[White "Raum, Sebastian"]
[Black "Pfeifer, Frank"]
[Result "1-0"]
[ECO "B04"]
[WhiteElo "2034"]
[BlackElo "1753"]
[PlyCount "39"]
[EventDate "2010.07.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bf5 5. c4 Nb6 6. Be2 Nc6 7. exd6 exd6 8. 0-0 Be7 9. Nc3 g5 10. d5 Ne5 11. Nd4 Bg6 12. f4 gxf4 13. Bxf4 Nbxc4 14. Bxc4 Nxc4 15. Qa4+ Qd7 16. Qxc4 Rg8 17. Rae1 0-0-0 18. Nc6 Bh4 19. Nb5 bxc6 20. dxc6 1-0

[Event "Karl Mala Memorial op 13th"]
[Site "Frankfurt"]
[Date "2010.07.11"]
[Round "6"]
[White "Kammerer, Peter"]
[Black "Pfeifer, Frank"]
[Result "1-0"]
[ECO "A57"]
[WhiteElo "1971"]
[BlackElo "1753"]
[PlyCount "67"]
[EventDate "2010.07.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. e3 bxc4 5. Nc3 d6 6. Bxc4 g6 7. Nge2 Bg7 8. 0-0 Nbd7 9. f4 Nb6 10. Bb5+ Bd7 11. Bxd7+ Qxd7 12. a4 a5 13. Ng3 0-0 14. e4 Qb7 15. f5 Nc4 16. Qe2 Ne5 17. Bf4 Nfd7 18. Nb5 c4 19. Bxe5 Nxe5 20. Rac1 Rac8 21. Rc2 Qb6+ 22. Kh1 Rc5 23. Qd2 h6 24. Ne2 Nd3 25. Ned4 g5 26. h4 Bf6 27. Nf3 Rfc8 28. hxg5 hxg5 29. Nxg5 Bxg5 30. Qxg5+ Kf8 31. f6 e6 32. Qg7+ Ke8 33. Qg8+ Kd7 34. Qxf7+ 1-0

[Event "Karl Mala Memorial op 13th"]
[Site "Frankfurt"]
[Date "2010.07.11"]
[Round "7"]
[White "Pfeifer, Frank"]
[Black "Brauer, Frank"]
[Result "0-1"]
[ECO "C28"]
[WhiteElo "1753"]
[BlackElo "1924"]
[PlyCount "26"]
[EventDate "2010.07.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nc6 3. f4 d6 4. Nf3 Nf6 5. Bc4 Be7 6. d3 Bg4 7. h3 Bxf3 8. Qxf3 Nd4 9. Qf2 a6 10. a3 0-0 11. Be3 c5 12. Nd5 Nc6 13. g4 Nxd5 0-1

[Event "Karl Mala Memorial op 13th"]
[Site "Frankfurt"]
[Date "2010.07.10"]
[Round "5"]
[White "Guenther, Peter"]
[Black "Pfeifer, Frank"]
[Result "1/2-1/2"]
[ECO "B03"]
[WhiteElo "2218"]
[BlackElo "1753"]
[PlyCount "50"]
[EventDate "2010.07.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. d4 d6 5. exd6 exd6 6. Nc3 Be7 7. Bd3 Nc6 8. Nge2 Bg4 9. f3 Bh5 10. Nf4 Bg6 11. Nxg6 hxg6 12. Be3 Bh4+ 13. Kd2 d5 14. Qe2 0-0 15. c5 Nc4+ 16. Bxc4 dxc4 17. Qxc4 Re8 18. Rad1 Qe7 19. Ne4 Rad8 20. g3 Ne5 21. Qe2 f5 22. gxh4 fxe4 23. Kc3 Nxf3 24. Bg5 Nxg5 25. hxg5 Qxg5 1/2-1/2

[Event "Karl Mala Memorial op 13th"]
[Site "Frankfurt"]
[Date "2010.07.10"]
[Round "4"]
[White "Pfeifer, Frank"]
[Black "Kuemmel, Werner"]
[Result "1-0"]
[ECO "B24"]
[WhiteElo "1753"]
[BlackElo "1420"]
[PlyCount "75"]
[EventDate "2010.07.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 d6 4. Bg2 Nf6 5. f4 e6 6. d3 Be7 7. Nf3 0-0 8. 0-0 Rb8 9. h3 h6 10. g4 Nh7 11. Ne2 f5 12. Nh2 fxg4 13. Nxg4 Nf6 14. Ng3 Nxg4 15. Qxg4 Bd7 16. c3 Kh8 17. Be3 d5 18. Rad1 d4 19. Bc1 Qc7 20. e5 Be8 21. Be4 Rg8 22. c4 g6 23. Rf2 Qd8 24. Rg2 h5 25. Nxh5 Bf7 26. Ng3 Bh4 27. Rf1 Rg7 28. Kh2 Qe7 29. Rfg1 Rbg8 30. Qf3 Nd8 31. Nh1 b6 32. Nf2 g5 33. Ng4 Bh5 34. Qf1 Bxg4 35. Rxg4 Nf7 36. Qe2 Nh6 37. R4g2 Nf7 38. Qh5+ 1-0

[Event "Karl Mala Memorial op 13th"]
[Site "Frankfurt"]
[Date "2010.07.09"]
[Round "2"]
[White "Pfeifer, Frank"]
[Black "Mook, Karl Juergen"]
[Result "1-0"]
[ECO "C36"]
[WhiteElo "1753"]
[BlackElo "1243"]
[PlyCount "71"]
[EventDate "2010.07.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. f4 exf4 3. Nf3 d5 4. exd5 Nf6 5. Bb5+ Bd7 6. Bc4 Bd6 7. 0-0 0-0 8. a3 Bg4 9. d3 Nbd7 10. Ba2 Re8 11. b4 Nf8 12. c4 Ng6 13. c5 Bf8 14. Qb3 Bxf3 15. gxf3 Qe7 16. Nc3 Nh5 17. Ne4 Kh8 18. d6 Qe6 19. Qc2 Qf5 20. dxc7 Ne7 21. Nd6 Qg5+ 22. Qg2 Qxg2+ 23. Kxg2 g6 24. Nxf7+ Kg7 25. Bb2+ Nf6 26. Nd6 Nf5 27. Nxe8+ Rxe8 28. Rae1 Ne3+ 29. Rxe3 fxe3 30. Re1 Rc8 31. Be5 Kh6 32. Bxf6 Rxc7 33. Rxe3 g5 34. d4 b6 35. Re6 bxc5 36. Be5+ 1-0

[Event "Karl Mala Memorial op 13th"]
[Site "Frankfurt"]
[Date "2010.07.08"]
[Round "1"]
[White "Scheidt, Karlheinz"]
[Black "Pfeifer, Frank"]
[Result "1-0"]
[ECO "B04"]
[WhiteElo "2181"]
[BlackElo "1753"]
[PlyCount "93"]
[EventDate "2010.07.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Nb6 5. a4 Bg4 6. a5 N6d7 7. Be2 e6 8. Ng5 Bxe2 9. Qxe2 dxe5 10. Qf3 Qe7 11. a6 Nxa6 12. Rxa6 exd4 13. Qxb7 Qb4+ 14. Qxb4 Bxb4+ 15. Bd2 Bc5 16. 0-0 h6 17. Ne4 Bb6 18. Na3 f5 19. Ng3 Nc5 20. Ra5 Bxa5 21. Bxa5 Na6 22. Nc4 0-0-0 23. Bd2 Rd5 24. Re1 Re8 25. Nh5 Re7 26. Nf4 Rc5 27. b3 Kd7 28. Nd3 Rb5 29. Nde5+ Ke8 30. Ra1 Nb4 31. Bxb4 Rxb4 32. Nc6 Rxc4 33. bxc4 Rd7 34. Ne5 Rd6 35. Rxa7 Rb6 36. g3 Rb2 37. Rxc7 Rxc2 38. Rxg7 Re2 39. f4 Rd2 40. c5 d3 41. Rd7 Rd1+ 42. Kf2 d2 43. Rd6 Ke7 44. Ke2 Rc1 45. Kxd2 Rxc5 46. Rd7+ Ke8 47. Rh7 1-0

[Event "Niedersachsen-ch open"]
[Site "Verden"]
[Date "2010.01.06"]
[Round "7.44"]
[White "Hartogh, Theo"]
[Black "Pfeifer, Frank"]
[Result "1-0"]
[ECO "A15"]
[WhiteElo "1833"]
[BlackElo "1739"]
[PlyCount "69"]
[EventDate "2010.01.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 d5 3. Bg2 Bf5 4. Qb3 Be4 5. Bxe4 dxe4 6. Qxb7 Nbd7 7. Qb3 e6 8. Nc3 Bc5 9. Qc2 Bxf2+ 10. Kxf2 Ng4+ 11. Kg2 f5 12. h3 0-0 13. hxg4 Qf6 14. g5 Qxg5 15. d4 Qg6 16. Bf4 Nf6 17. Nh3 Rad8 18. Rad1 Rd7 19. d5 e5 20. Bxe5 Ng4 21. Bf4 h6 22. Nf2 Nf6 23. Nb5 Nh5 24. e3 Rf6 25. Qe2 Nxg3 26. Bxg3 f4 27. exf4 Rxf4 28. Qh5 Rxf2+ 29. Kxf2 e3+ 30. Kg2 Qe4+ 31. Kh3 Re7 32. Rde1 Kh7 33. Nc3 Qxc4 34. Rh2 g6 35. Qf3 1-0

[Event "Niedersachsen-ch open"]
[Site "Verden"]
[Date "2010.01.05"]
[Round "5.43"]
[White "Moeller, Christian"]
[Black "Pfeifer, Frank"]
[Result "1-0"]
[ECO "B02"]
[WhiteElo "1813"]
[BlackElo "1739"]
[PlyCount "57"]
[EventDate "2010.01.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. Nf3 d6 4. Bc4 Nb6 5. Bb3 Bg4 6. Bxf7+ Kd7 7. h3 Bf5 8. Nd4 g6 9. Qf3 Kc8 10. e6 c5 11. Nxf5 gxf5 12. Qc3 Bh6 13. b4 Nd5 14. Qd3 Nxb4 15. Qxf5 N8c6 16. Bb2 Nd4 17. Bxd4 cxd4 18. a3 Nc6 19. 0-0 Kc7 20. a4 Rc8 21. a5 Ne5 22. a6 b6 23. Qe4 Nc6 24. Na3 Bxd2 25. Nb5+ Kb8 26. Nxd4 Qc7 27. Nb5 Qd8 28. Rfd1 Bb4 29. Nd4 1-0

[Event "Niedersachsen-ch open"]
[Site "Verden"]
[Date "2010.01.05"]
[Round "6.64"]
[White "Pfeifer, Frank"]
[Black "Raetzke von Stoyentin, Steffen"]
[Result "1-0"]
[ECO "C30"]
[WhiteElo "1739"]
[BlackElo "1240"]
[PlyCount "27"]
[EventDate "2010.01.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. f4 d6 3. Nf3 Nd7 4. Bc4 Be7 5. 0-0 Ngf6 6. Bxf7+ Kxf7 7. Ng5+ Kg8 8. Ne6 Qe8 9. Nxc7 Qd8 10. Nxa8 Nf8 11. d3 d5 12. fxe5 Bg4 13. exf6 Bxd1 14. f7# 1-0

[Event "Niedersachsen-ch open"]
[Site "Verden"]
[Date "2010.01.04"]
[Round "3.33"]
[White "Kickert, Germaine Helene"]
[Black "Pfeifer, Frank"]
[Result "0-1"]
[ECO "B03"]
[WhiteElo "1972"]
[BlackElo "1739"]
[PlyCount "50"]
[EventDate "2010.01.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 exd6 6. Nc3 Be7 7. Qf3 Nc6 8. Be3 Bf6 9. 0-0-0 Be6 10. c5 Nd7 11. d5 Nce5 12. Qe4 Bg4 13. Re1 g6 14. Qa4 0-0 15. h3 Nxc5 16. Bxc5 Bd7 17. Qb3 dxc5 18. f4 c4 19. Qxb7 Nd3+ 20. Bxd3 cxd3 21. Rd1 Bxc3 22. bxc3 Qf6 23. Qb4 Rab8 24. Qd4 Qa6 25. Rd2 Qa3+ 0-1

[Event "Niedersachsen-ch open"]
[Site "Verden"]
[Date "2010.01.04"]
[Round "4.25"]
[White "Pfeifer, Frank"]
[Black "Vogel, Christopher"]
[Result "0-1"]
[ECO "B25"]
[WhiteElo "1739"]
[BlackElo "1994"]
[PlyCount "70"]
[EventDate "2010.01.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. g3 Nc6 4. f4 d6 5. Bg2 g6 6. Nge2 Bg7 7. 0-0 Nge7 8. d3 0-0 9. h3 Nd4 10. Nxd4 cxd4 11. Ne2 Bd7 12. g4 f5 13. gxf5 gxf5 14. Ng3 Bc6 15. Qh5 Qe8 16. Qe2 fxe4 17. dxe4 Bb5 18. Qg4 Bxf1 19. Bxf1 Qg6 20. Bd3 Nc6 21. Bd2 Bh6 22. Rf1 Ne5 23. fxe5 Qxg4 24. hxg4 Bxd2 25. exd6 Rxf1+ 26. Nxf1 Bf4 27. Bc4 Kf7 28. Kg2 Kf6 29. Ng3 Bxg3 30. Kxg3 Ke5 31. Bd3 Rd8 32. a4 Rxd6 33. b3 Rd8 34. g5 Rg8 35. Kg4 h6 0-1

[Event "Niedersachsen-ch open"]
[Site "Verden"]
[Date "2010.01.03"]
[Round "1.62"]
[White "Mai, Robin Jannis"]
[Black "Pfeifer, Frank"]
[Result "0-1"]
[ECO "A47"]
[WhiteElo "1152"]
[BlackElo "1739"]
[PlyCount "60"]
[EventDate "2010.01.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. e3 b6 4. Nf3 g6 5. Nc3 Bg7 6. b3 0-0 7. Bb2 d6 8. Be2 Nbd7 9. Nd2 a6 10. Bf3 Rb8 11. a4 e6 12. 0-0 Qc7 13. Qc2 Bb7 14. Bxb7 Rxb7 15. f4 Ng4 16. Nd1 f5 17. h3 Ngf6 18. Rf3 Rfb8 19. Nc3 cxd4 20. exd4 e5 21. fxe5 dxe5 22. dxe5 Nxe5 23. Rf2 Neg4 24. hxg4 Nxg4 25. Rf3 Qh2+ 26. Kf1 Qh1+ 27. Ke2 Qxg2+ 28. Kd1 Qg1+ 29. Ke2 Re8+ 30. Kd3 Qd4# 0-1

[Event "Niedersachsen-ch open"]
[Site "Verden"]
[Date "2010.01.03"]
[Round "2.41"]
[White "Pfeifer, Frank"]
[Black "Kimmich, Bernd"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1739"]
[BlackElo "1928"]
[PlyCount "90"]
[EventDate "2010.01.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. Bc4 Bf5 5. d4 c6 6. Nf3 Nf6 7. 0-0 Nbd7 8. Bd2 e6 9. a3 Qc7 10. Ne2 Bd6 11. Bb4 h6 12. Bxd6 Qxd6 13. h3 a5 14. Ng3 Bh7 15. Re1 0-0 16. c3 a4 17. Ne5 b5 18. Ba2 Nd5 19. Qf3 N7f6 20. Rad1 Qc7 21. Bb1 Bxb1 22. Rxb1 c5 23. dxc5 Qxc5 24. Ne4 Nxe4 25. Qxe4 Qc7 26. Rbd1 Ra6 27. Rd3 Rd6 28. Rg3 Ne7 29. Qg4 Nf5 30. Rf3 Rfd8 31. Rf4 Rd2 32. Qf3 R8d5 33. g4 Rxe5 34. Rxe5 Qxe5 35. gxf5 Qe1+ 36. Kg2 Rd1 37. Kg3 Qg1+ 38. Qg2 Rd3+ 39. Rf3 Rxf3+ 40. Kxf3 Qxg2+ 41. Kxg2 exf5 42. Kf3 g5 43. Kg3 Kf8 44. f4 f6 45. fxg5 fxg5 0-1

[Event "Niedersachsen-ch op"]
[Site "Verden"]
[Date "2009.01.06"]
[Round "7"]
[White "Wolff, Fabian"]
[Black "Pfeifer, Frank"]
[Result "1-0"]
[ECO "A48"]
[WhiteElo "1944"]
[BlackElo "1752"]
[PlyCount "51"]
[EventDate "2009.01.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. e3 d6 4. Bd3 Bg7 5. 0-0 0-0 6. Nbd2 a6 7. Re1 Nbd7 8. e4 e5 9. c3 b6 10. b3 exd4 11. Nxd4 Ne5 12. Qc2 Nfg4 13. Bb2 Nxd3 14. Qxd3 Ne5 15. Qg3 c5 16. Nc2 f5 17. f4 Ng4 18. Rad1 Bf6 19. Qd3 fxe4 20. Qd5+ Kh8 21. Qxa8 Bd4+ 22. cxd4 Qh4 23. Nf1 Qf2+ 24. Kh1 Qxc2 25. Rd2 Qd3 26. dxc5+ 1-0

[Event "Niedersachsen-ch op"]
[Site "Verden"]
[Date "2009.01.05"]
[Round "5"]
[White "Kleene, Jan"]
[Black "Pfeifer, Frank"]
[Result "1-0"]
[ECO "A15"]
[WhiteElo "1232"]
[BlackElo "1752"]
[PlyCount "57"]
[EventDate "2009.01.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 d6 3. Nc3 c6 4. d3 g6 5. g3 Bg7 6. Bg2 Nbd7 7. 0-0 e5 8. Bg5 h6 9. Bd2 Nc5 10. b4 Ne6 11. Rb1 Qc7 12. b5 Bd7 13. a4 0-0 14. Qc1 Kh7 15. Qa3 Ne8 16. Rb2 f5 17. Ne1 Nf6 18. Nc2 e4 19. Rfb1 d5 20. bxc6 Bxc6 21. cxd5 Nxd5 22. dxe4 Nxc3 23. Bxc3 fxe4 24. Bxg7 Qxg7 25. Nb4 Qe7 26. Qb3 Nd4 27. Nxc6 Nxe2+ 28. Rxe2 bxc6 29. Qb7 1-0

[Event "Niedersachsen-ch op"]
[Site "Verden"]
[Date "2009.01.05"]
[Round "6"]
[White "Pfeifer, Frank"]
[Black "Hellwig, Immo"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "1752"]
[BlackElo "1230"]
[PlyCount "43"]
[EventDate "2009.01.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. g3 a6 4. Bg2 Nf6 5. f4 Nbd7 6. d3 b5 7. e5 Ra7 8. exf6 Nxf6 9. Be3 e6 10. Nf3 Be7 11. h3 Bb7 12. 0-0 b4 13. Ne2 Nd5 14. Bf2 h5 15. c4 Nc7 16. Qa4+ Kf8 17. Qc2 f6 18. d4 g5 19. dxc5 g4 20. Nh4 Bxg2 21. Kxg2 f5 22. Ng6+ 1-0

[Event "Niedersachsen-ch op"]
[Site "Verden"]
[Date "2009.01.04"]
[Round "3"]
[White "Neumair, Jerome"]
[Black "Pfeifer, Frank"]
[Result "1/2-1/2"]
[ECO "A57"]
[WhiteElo "1979"]
[BlackElo "1752"]
[PlyCount "103"]
[EventDate "2009.01.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. b6 d6 6. Nc3 Bb7 7. e4 Nbd7 8. h3 g6 9. Nf3 Nxb6 10. Qc2 Bg7 11. Be3 0-0 12. Be2 Qc7 13. 0-0 Rab8 14. Rab1 Bc8 15. Rfc1 Bd7 16. Nd2 h5 17. Bf1 Kh7 18. Nd1 Bb5 19. b4 Ba4 20. Nb3 Nbxd5 21. exd5 Rxb4 22. Nc3 Bd7 23. a3 Rb7 24. Nd2 Rxb1 25. Rxb1 Bf5 26. Bd3 Bxd3 27. Qxd3 Nd7 28. Nc4 Rb8 29. Rxb8 Qxb8 30. Ne4 Qb5 31. Bg5 Nb6 32. Ned2 Nxc4 33. Nxc4 Qd7 34. Bd2 Bd4 35. Bc3 Bxc3 36. Qxc3 Qb7 37. Ne3 Qb1+ 38. Kh2 Qa2 39. Kg3 Qe2 40. Qc4 Qb2 41. Qxa6 Qe5+ 42. Kf3 Qf6+ 43. Ke2 Qb2+ 44. Ke1 Qc3+ 45. Kd1 Qb3+ 46. Kd2 Qa2+ 47. Ke1 Qb1+ 48. Ke2 Qb2+ 49. Kf3 Qf6+ 50. Ke4 Qd4+ 51. Kf3 Qf6+ 52. Ke2 1/2-1/2

[Event "Niedersachsen-ch op"]
[Site "Verden"]
[Date "2009.01.04"]
[Round "4"]
[White "Pfeifer, Frank"]
[Black "Kessler, Marcel"]
[Result "0-1"]
[ECO "C25"]
[WhiteElo "1752"]
[BlackElo "1823"]
[PlyCount "36"]
[EventDate "2009.01.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nc6 3. f4 exf4 4. Nf3 d6 5. Bc4 Be6 6. Bxe6 fxe6 7. d4 e5 8. 0-0 Be7 9. d5 Nb8 10. Qd3 Nd7 11. b4 Nh6 12. Bb2 0-0 13. Ne2 Ng4 14. c4 Ne3 15. Rf2 Bh4 16. Nxh4 Qxh4 17. Qc3 Nf6 18. h3 Nxe4 0-1

[Event "Niedersachsen-ch op"]
[Site "Verden"]
[Date "2009.01.03"]
[Round "1"]
[White "Koop, Thorben"]
[Black "Pfeifer, Frank"]
[Result "1/2-1/2"]
[ECO "A16"]
[WhiteElo "1210"]
[BlackElo "1752"]
[PlyCount "46"]
[EventDate "2009.01.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 d6 3. g3 g6 4. Bg2 Bg7 5. e3 c6 6. Nge2 0-0 7. 0-0 Nbd7 8. d3 e5 9. Bd2 Ne8 10. a3 f5 11. b4 Ndf6 12. Rb1 Be6 13. b5 d5 14. bxc6 bxc6 15. cxd5 cxd5 16. d4 Ne4 17. Nxe4 dxe4 18. Bc3 exd4 19. Bxd4 Qe7 20. Qc1 Rf7 21. Rd1 a5 22. Bxg7 Kxg7 23. Nd4 a4 1/2-1/2

[Event "Niedersachsen-ch op"]
[Site "Verden"]
[Date "2009.01.03"]
[Round "2"]
[White "Pfeifer, Frank"]
[Black "Krueger, Iwan"]
[Result "1-0"]
[ECO "C30"]
[WhiteElo "1752"]
[BlackElo "846"]
[PlyCount "67"]
[EventDate "2009.01.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. f4 d6 3. Nf3 Nc6 4. Bc4 Nf6 5. d3 Be6 6. Bxe6 fxe6 7. 0-0 d5 8. fxe5 Ng4 9. exd5 Qxd5 10. d4 0-0-0 11. c3 Ngxe5 12. Nxe5 Nxe5 13. Qa4 Nc6 14. Bf4 Bd6 15. Nd2 Rhf8 16. Bxd6 cxd6 17. b4 a6 18. Qc2 g6 19. a4 Kd7 20. Nf3 Qc4 21. Rfb1 Rf5 22. a5 e5 23. dxe5 Nxe5 24. Nd4 Rf4 25. Qa4+ Ke7 26. b5 Qxc3 27. Nc6+ Nxc6 28. Re1+ Ne5 29. Qxf4 Kd7 30. b6 Nd3 31. Qg4+ Kc6 32. Qf3+ Kd7 33. Qxb7+ Qc7 34. Qxc7# 1-0

[Event "Niedersachsen-ch"]
[Site "Verden"]
[Date "2008.01.06"]
[Round "7"]
[White "Brinkmann, Fabian"]
[Black "Pfeifer, Frank"]
[Result "1/2-1/2"]
[ECO "A48"]
[WhiteElo "1309"]
[BlackElo "1735"]
[PlyCount "42"]
[EventDate "2008.01.03"]
[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 Nf6 2. Bf4 d6 3. Nf3 g6 4. e3 Bg7 5. c3 0-0 6. Bd3 c6 7. Nbd2 b5 8. 0-0 a5 9. a3 Nbd7 10. Qc2 Ba6 11. h3 c5 12. Rfe1 c4 13. Bf1 d5 14. e4 dxe4 15. Nxe4 Bb7 16. Nxf6+ Nxf6 17. Nd2 e6 18. a4 b4 19. Nxc4 bxc3 20. bxc3 Rc8 21. Nd6 Rc7 1/2-1/2

[Event "Niedersachsen-ch"]
[Site "Verden"]
[Date "2008.01.05"]
[Round "6"]
[White "Pfeifer, Frank"]
[Black "Oehne, Timo"]
[Result "1/2-1/2"]
[ECO "B13"]
[WhiteElo "1735"]
[BlackElo "877"]
[PlyCount "60"]
[EventDate "2008.01.03"]
[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 c6 2. d4 d5 3. exd5 cxd5 4. c4 e6 5. Nf3 Nf6 6. Bg5 b6 7. cxd5 exd5 8. Bb5+ Bd7 9. Qe2+ Be7 10. Nc3 Bxb5 11. Qxb5+ Qd7 12. Bxf6 Bxf6 13. Qxd5 0-0 14. 0-0 Qxd5 15. Nxd5 Nd7 16. Nxf6+ Nxf6 17. Rac1 Rac8 18. h3 Nh5 19. Kh2 Nf4 20. g3 Nd3 21. Rxc8 Rxc8 22. b3 Rc2 23. Ne1 Rxf2+ 24. Rxf2 Nxf2 25. Kg2 Ne4 26. Kf3 f5 27. Nd3 Kf7 28. Ne5+ Ke6 29. h4 Kd5 30. Kf4 g6 1/2-1/2

[Event "Niedersachsen-ch"]
[Site "Verden"]
[Date "2008.01.05"]
[Round "5"]
[White "Wierum, Colin"]
[Black "Pfeifer, Frank"]
[Result "1-0"]
[ECO "B02"]
[WhiteElo "1905"]
[BlackElo "1735"]
[PlyCount "51"]
[EventDate "2008.01.03"]
[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 Nf6 2. Nc3 d5 3. e5 Nfd7 4. d4 Nb6 5. Bd3 Nc6 6. Nce2 Bg4 7. c3 e6 8. f3 Bh5 9. Ng3 Bg6 10. f4 f5 11. exf6 Qxf6 12. Nf3 Bd6 13. 0-0 Bxd3 14. Qxd3 0-0-0 15. Ne5 Ne7 16. a4 Nf5 17. a5 Nd7 18. a6 b6 19. Nc6 Rdf8 20. Nxa7+ Kd8 21. Nc6+ Ke8 22. a7 Kf7 23. Ne5+ Ke7 24. Nxf5+ Qxf5 25. Qb5 Nxe5 26. fxe5 1-0

[Event "Niedersachsen-ch"]
[Site "Verden"]
[Date "2008.01.04"]
[Round "4"]
[White "Pfeifer, Frank"]
[Black "Land, Rainer"]
[Result "0-1"]
[ECO "B25"]
[WhiteElo "1735"]
[BlackElo "1789"]
[PlyCount "68"]
[EventDate "2008.01.03"]
[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. g3 d6 4. Bg2 g6 5. Nge2 Bg7 6. Nd5 e6 7. Ne3 Nge7 8. 0-0 0-0 9. d3 Rb8 10. f4 f5 11. exf5 exf5 12. c3 d5 13. Rb1 Be6 14. Bf3 d4 15. Ng2 Bxa2 16. Ra1 Bd5 17. Bxd5+ Qxd5 18. c4 Qd7 19. b3 b6 20. Nh4 Nb4 21. Nf3 Nec6 22. Ba3 a5 23. h4 Rbe8 24. Rf2 Re3 25. Bxb4 Nxb4 26. Nc1 Rfe8 27. Rh2 Qc6 28. Kf2 h5 29. Rb1 Bf6 30. Rb2 Qe6 31. Rh1 Kf7 32. Re1 Rxf3+ 33. Kxf3 Qxe1 34. Qxe1 Rxe1 0-1

[Event "Niedersachsen-ch"]
[Site "Verden"]
[Date "2008.01.03"]
[Round "2"]
[White "Biesel, Michael"]
[Black "Pfeifer, Frank"]
[Result "1-0"]
[ECO "A21"]
[WhiteElo "1839"]
[BlackElo "1735"]
[PlyCount "51"]
[EventDate "2008.01.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Bc5 3. g3 f5 4. Bg2 Nf6 5. e3 c6 6. d4 exd4 7. exd4 Qe7+ 8. Nge2 Bb6 9. 0-0 0-0 10. d5 d6 11. Bf4 Nh5 12. Re1 Nxf4 13. Nxf4 Qg5 14. Qb3 Na6 15. dxc6 Nc5 16. Qc2 bxc6 17. Bxc6 Rb8 18. b4 Na6 19. a3 Qh6 20. Rad1 Bb7 21. Re6 Rf6 22. Bxb7 Rxb7 23. Rdxd6 Qg5 24. Ncd5 Rf8 25. c5 Bc7 26. Rxa6 1-0

