[Event "Niedersachsen-ch U10 Girls"]
[Site "Lingen"]
[Date "1998.??.??"]
[Round "?"]
[White "Koyfman, Olga"]
[Black "Boerger"]
[Result "1-0"]
[ECO "C48"]
[PlyCount "25"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. Nc3 Bc5 5. 0-0 0-0 6. Bxc6 dxc6 7. Nxe5 Bg4 8. Nxg4 Nxg4 9. Qxg4 Re8 10. b3 f6 11. d3 Rf8 12. Bh6 Kh8 13. Qxg7# 1-0

[Event "Niedersachsen-ch U10 Girls"]
[Site "Lingen"]
[Date "1998.??.??"]
[Round "?"]
[White "Koyfman, Olga"]
[Black "Frankenberg, Kathrin"]
[Result "0-1"]
[ECO "C44"]
[PlyCount "46"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d3 Nf6 4. Bg5 Be7 5. Be2 0-0 6. 0-0 d6 7. d4 h6 8. Bxf6 Bxf6 9. dxe5 Nxe5 10. Nxe5 Bxe5 11. Qd3 Bxb2 12. Nc3 Bxa1 13. Rxa1 Qg5 14. Kf1 b6 15. Bf3 a5 16. e5 Ba6 17. Nb5 c6 18. exd6 Bxb5 19. c4 Ba6 20. Bd1 Qg6 21. Qd2 Bxc4+ 22. Kg1 Bd5 23. Bc2 Qxg2# 0-1

[Event "Niedersachsen-ch U10 Girls"]
[Site "Lingen"]
[Date "1998.??.??"]
[Round "?"]
[White "Koyfman, Olga"]
[Black "Garl, Ariane"]
[Result "1-0"]
[ECO "C00"]
[PlyCount "77"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e6 2. Nf3 d5 3. exd5 exd5 4. b3 Bg4 5. Qe2+ Be7 6. Bb2 Bxf3 7. gxf3 Nc6 8. Bxg7 Qd6 9. a3 Qe6 10. Bxh8 0-0-0 11. Qxe6+ fxe6 12. Bh3 Rd6 13. Rg1 Bh4 14. Rxg8+ Nd8 15. Be5 Rc6 16. Bf4 b6 17. Rg7 Bf6 18. Rg8 Bxa1 19. Bg5 Rxc2 20. Rxd8+ Kb7 21. Nc3 Rc1+ 22. Ke2 Rh1 23. Bxe6 Rxh2 24. Bxd5+ Ka6 25. a4 Ka5 26. Bb7 Kb4 27. Rd4+ Kxb3 28. Bd5+ Ka3 29. Nb1+ Kb2 30. Nc3 Kc1 31. Na2+ Kb1 32. Rb4+ Bb2 33. Nc3+ Kc1 34. Bf4 Rh1 35. Na2+ Kb1 36. Nc3+ Kc1 37. d4+ Kc2 38. Na2 Bc3 39. Be4# 1-0

[Event "Niedersachsen-ch U10 Girls"]
[Site "Lingen"]
[Date "1998.??.??"]
[Round "?"]
[White "Koyfman, Olga"]
[Black "Meiners, Birgit"]
[Result "1-0"]
[ECO "C57"]
[PlyCount "65"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. 0-0 d6 5. d3 Nf6 6. Ng5 0-0 7. Bxf7+ Rxf7 8. Nxf7 Kxf7 9. Bg5 h6 10. Bxf6 Qxf6 11. Nc3 Be6 12. Nb5 Rc8 13. Qh5+ Ke7 14. Rad1 Bxa2 15. Nc3 Be6 16. Ra1 Rh8 17. Nb5 g6 18. Qe2 a6 19. Nxc7 Bc8 20. Nd5+ Ke6 21. Nxf6 Kxf6 22. Qf3+ Ke7 23. Qg3 Rg8 24. Kh1 Nd4 25. Qh4+ Ke8 26. Qxh6 Nxc2 27. Rac1 Nd4 28. f4 Be6 29. fxe5 dxe5 30. Qh7 Nb3 31. Rcd1 b5 32. Rf6 Nd4 33. Rdf1 1-0

[Event "Niedersachsen-ch U10 Girls"]
[Site "Lingen"]
[Date "1998.??.??"]
[Round "?"]
[White "Mersmann, Maren"]
[Black "Koyfman, Olga"]
[Result "1/2-1/2"]
[ECO "C28"]
[PlyCount "28"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nc6 3. Bc4 Bb4 4. d3 Nf6 5. Bg5 Bxc3+ 6. bxc3 h6 7. Bh4 g5 8. Bg3 d6 9. h3 g4 10. Qd2 Nh5 11. Ne2 gxh3 12. gxh3 Nxg3 13. Nxg3 h5 14. Qe3 h4 1/2-1/2

[Event "Niedersachsen-ch U10 Girls"]
[Site "Lingen"]
[Date "1998.??.??"]
[Round "?"]
[White "Sackbrook, Sara"]
[Black "Koyfman, Olga"]
[Result "1/2-1/2"]
[ECO "C50"]
[PlyCount "41"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 d6 4. d3 Bg4 5. 0-0 Bxf3 6. Qxf3 Qe7 7. Nc3 0-0-0 8. Nd5 Qd7 9. h3 Nd4 10. Qe3 Nxc2 11. Qd2 Nxa1 12. Bb3 Nxb3 13. axb3 h6 14. b4 c6 15. Nc3 Be7 16. Qe3 b6 17. d4 Bg5 18. Qd3 Bxc1 19. Rxc1 Nf6 20. dxe5 dxe5 21. Nd5 1/2-1/2

[Event "Niedersachsen-ch U10 Girls"]
[Site "Lingen"]
[Date "1998.??.??"]
[Round "?"]
[White "Schroeder, Janet"]
[Black "Koyfman, Olga"]
[Result "1-0"]
[ECO "C50"]
[PlyCount "59"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 g5 5. Bxg5 f6 6. Be3 Bxe3 7. fxe3 d6 8. Nh4 h5 9. 0-0 Bg4 10. Nf3 Qe7 11. Bb5 0-0-0 12. Bxc6 Bxf3 13. Bxb7+ Kxb7 14. Rxf3 d5 15. exd5 e4 16. Rf4 exd3 17. cxd3 Qxe3+ 18. Rf2 Re8 19. Nc3 Qe1+ 20. Qxe1 Rxe1+ 21. Rxe1 Nh6 22. Rxf6 Ng4 23. Rc6 Rf8 24. Re7 Rf1+ 25. Kxf1 Nxh2+ 26. Kg1 Ng4 27. Rexc7+ Kb8 28. Nb5 Ne5 29. Re6 Nxd3 30. Re8# 1-0

[Event "Niedersachsen-ch U10 Girls"]
[Site "Lingen"]
[Date "1998.??.??"]
[Round "?"]
[White "Sieverding, Jennifer"]
[Black "Koyfman, Olga"]
[Result "0-1"]
[ECO "C48"]
[PlyCount "40"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 d6 5. Bxc6+ bxc6 6. 0-0 Ba6 7. Re1 d5 8. h3 Bc5 9. d3 Nh5 10. Nxe5 Ng3 11. b4 Bxb4 12. fxg3 Bxc3 13. Re2 Bxa1 14. Nc4 dxc4 15. dxc4 Qxd1+ 16. Kf2 Bxc4 17. Re1 Bd4+ 18. Re3 Qxc2+ 19. Kf3 Qxc1 20. g4 Qxe3# 0-1

