[Event "GER-chT Betriebe 18th"]
[Site "Altenberg Zinnwald"]
[Date "2018.11.11"]
[Round "7.4"]
[White "Frahm, Werner"]
[Black "Mahler, Sonja"]
[Result "1/2-1/2"]
[ECO "A07"]
[WhiteElo "1547"]
[BlackElo "1492"]
[PlyCount "6"]
[EventDate "2018.11.08"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Berlin Tempelhof II"]
[BlackTeam "Berlin Tempelhof III"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. Nf3 d5 2. g3 c6 3. Bg2 Nf6 1/2-1/2

[Event "GER-chT Betriebe 18th"]
[Site "Altenberg Zinnwald"]
[Date "2018.11.10"]
[Round "6.4"]
[White "Mahler, Sonja"]
[Black "Dankovic, Oliver"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1492"]
[BlackElo "1338"]
[PlyCount "31"]
[EventDate "2018.11.08"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Berlin Tempelhof III"]
[BlackTeam "Berlin Tempelhof IV"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 d5 2. Bf4 Bf5 3. c3 Nf6 4. Qb3 b6 5. Nf3 Nbd7 6. e3 e6 7. Bb5 h6 8. Ne5 a6 9. Bc6 Rb8 10. Qa4 a5 11. Bb5 Bd6 12. Nc6 Qc8 13. Bg3 Rb7 14. Nd2 Bxg3 15. fxg3 0-0 16. Ne7+ 1-0

[Event "GER-chT Betriebe 18th"]
[Site "Altenberg Zinnwald"]
[Date "2018.11.10"]
[Round "5.4"]
[White "Mahler, Sonja"]
[Black "Mikoteit, Siegfried"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1492"]
[BlackElo "1276"]
[PlyCount "73"]
[EventDate "2018.11.08"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Berlin Tempelhof III"]
[BlackTeam "Bremen Airbus"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 d5 2. Bf4 e6 3. Nf3 Bd6 4. Bg5 Be7 5. Bf4 Bd6 6. Bg3 Bxg3 7. hxg3 Nf6 8. e3 Ne4 9. c3 a6 10. Qc2 Nd7 11. Bd3 f5 12. Nh4 Qg5 13. Nd2 Nxd2 14. Kxd2 Nb6 15. b3 Bd7 16. a4 Bc6 17. Be2 0-0-0 18. Nf3 Qf6 19. a5 Nd7 20. b4 e5 21. Rhb1 Bb5 22. Bxb5 axb5 23. Ra2 e4 24. Ne1 Qa6 25. Qd1 h5 26. Nc2 h4 27. Qf1 Nb6 28. axb6 Qxa2 29. Ra1 Qc4 30. Ra8+ Kd7 31. Rxd8+ Kxd8 32. Qh1 Qd3+ 33. Kc1 Qe2 34. gxh4 Qxf2 35. Qh2 Qf1+ 36. Kb2 Qc4 37. h5 0-1

[Event "GER-chT Betriebe 18th"]
[Site "Altenberg Zinnwald"]
[Date "2018.11.09"]
[Round "4.4"]
[White "Hoffeins, Hans Werner"]
[Black "Mahler, Sonja"]
[Result "1-0"]
[ECO "A07"]
[WhiteElo "1542"]
[BlackElo "1492"]
[PlyCount "47"]
[EventDate "2018.11.08"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Hamburg Baubehoerde II"]
[BlackTeam "Berlin Tempelhof III"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. Nf3 d5 2. g3 c6 3. Bg2 Bf5 4. d3 h6 5. Nbd2 Nf6 6. 0-0 Nbd7 7. Re1 e5 8. e4 Bg4 9. exd5 cxd5 10. h3 Bh5 11. g4 Nxg4 12. hxg4 Bxg4 13. Nxe5 Be6 14. Nxd7 Kxd7 15. Nf3 Qf6 16. Ne5+ Kd8 17. Qf3 Qh4 18. Bf4 Be7 19. Ng6 fxg6 20. Rxe6 Rf8 21. Qxd5+ Kc8 22. Bg3 Qg4 23. Qxb7+ Kd8 24. Qxe7+ 1-0

[Event "GER-chT Betriebe 18th"]
[Site "Altenberg Zinnwald"]
[Date "2018.11.09"]
[Round "3.4"]
[White "Mahler, Sonja"]
[Black "Juziak, Peter"]
[Result "0-1"]
[ECO "A43"]
[WhiteElo "1492"]
[BlackElo "2054"]
[PlyCount "50"]
[EventDate "2018.11.08"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Berlin Tempelhof III"]
[BlackTeam "Erkrath"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 c5 2. d5 Nf6 3. c3 g6 4. a4 Bg7 5. Bf4 0-0 6. Na3 b6 7. d6 Nc6 8. Nb5 e5 9. Bg5 h6 10. Bh4 g5 11. Bg3 Bb7 12. e3 Ne4 13. Bd3 Nxg3 14. hxg3 f5 15. Bc4+ Kh7 16. g4 e4 17. Nh3 Ne5 18. Nxg5+ Qxg5 19. Be2 fxg4 20. Nc7 Rac8 21. a5 c4 22. Ra4 Nd3+ 23. Kd2 b5 24. Rb4 Nxb4 25. cxb4 Rxf2 0-1

[Event "GER-chT Betriebe 18th"]
[Site "Altenberg Zinnwald"]
[Date "2018.11.08"]
[Round "1.4"]
[White "Mahler, Sonja"]
[Black "Rhein, Volker"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1492"]
[BlackElo "1300"]
[PlyCount "55"]
[EventDate "2018.11.08"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Berlin Tempelhof III"]
[BlackTeam "Herne Wanne Eickel EKJ"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 d5 2. Bf4 Nc6 3. e3 e6 4. Nf3 Bd6 5. Bg5 f6 6. Bh4 Nh6 7. b3 a6 8. c4 Nf5 9. Bg3 Bxg3 10. hxg3 e5 11. cxd5 e4 12. Nfd2 Nce7 13. Bc4 Nxd5 14. Nxe4 Be6 15. Bd3 c6 16. Qh5+ g6 17. Qh2 Qe7 18. g4 Ng7 19. Nd6+ Kd7 20. Ne4 Bxg4 21. Nc5+ Kc8 22. Kd2 Bf5 23. e4 b6 24. Bxa6+ Rxa6 25. Nxa6 Qxe4 26. Qb8+ Kd7 27. Qb7+ Ke6 28. Re1 1-0

[Event "GER-chT Betriebe 18th"]
[Site "Altenberg Zinnwald"]
[Date "2018.11.08"]
[Round "2.4"]
[White "Salomon, Hendrik"]
[Black "Mahler, Sonja"]
[Result "0-1"]
[ECO "A41"]
[WhiteElo "1300"]
[BlackElo "1492"]
[PlyCount "42"]
[EventDate "2018.11.08"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Stuttgart Stern"]
[BlackTeam "Berlin Tempelhof III"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 c6 2. d4 d6 3. Nc3 h6 4. Bf4 Nf6 5. e3 Qa5 6. Bd3 e5 7. dxe5 dxe5 8. Bg3 e4 9. Bc2 Na6 10. Qd2 Bb4 11. Nge2 Be6 12. a3 Nc5 13. b3 Rd8 14. Bc7 Qxc7 15. Nd4 Qa5 16. axb4 Qxa1+ 17. Bd1 Nd3+ 18. Kf1 Nxb4 19. Ke2 c5 20. Nc2 Rxd2+ 21. Kxd2 Qb2 0-1

[Event "Berlin-ch QT"]
[Site "Berlin"]
[Date "2018.03.31"]
[Round "1"]
[White "Mahler, Sonja"]
[Black "Cirkovic, Rade"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "1558"]
[BlackElo "1913"]
[PlyCount "80"]
[EventDate "2018.03.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 e6 3. e3 b6 4. a3 Bb7 5. c4 d5 6. Nf3 Nbd7 7. Nc3 a6 8. Qb3 dxc4 9. Bxc4 Bxf3 10. gxf3 b5 11. Bd3 c5 12. Bb1 Be7 13. h3 0-0 14. Rg1 Re8 15. Qc2 g6 16. Bh6 b4 17. Ne2 Rc8 18. Ba2 cxd4 19. Qb1 dxe3 20. Kf1 exf2 21. Rg2 Bf8 22. Bg5 Bg7 23. axb4 Qb6 24. Bd2 Nd5 25. Rxf2 Nxb4 26. Bb3 a5 27. Ba4 Red8 28. Ra3 Ne5 29. Be3 Qb7 30. Kg2 Nc4 31. Bc1 Rb8 32. Rb3 Nd2 33. Bxd2 Rxd2 34. Kg1 Qd5 35. Rc3 Rd8 36. Rc1 Nd3 37. Bc6 Qg5+ 38. Rg2 Qe3+ 39. Kf1 Nxc1 40. Qxc1 Rd1+ 0-1

[Event "GER-chT Betriebe 17th"]
[Site "Berlin"]
[Date "2017.11.05"]
[Round "7.4"]
[White "Mahler, Sonja"]
[Black "Brethauer, Tim"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "1558"]
[BlackElo "1641"]
[PlyCount "29"]
[EventDate "2017.11.02"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Berlin Tempelhof IV"]
[BlackTeam "Stuttgart Sparkassen-Vers II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 e6 2. Bf4 d5 3. a3 Nf6 4. e3 c5 5. c3 Nc6 6. Bd3 Be7 7. Nd2 0-0 8. Bb1 Qb6 9. Qc2 g6 10. h4 h5 11. Ngf3 cxd4 12. exd4 Na5 13. Bh6 Rd8 14. Ng5 Nc4 15. Nxf7 1-0

[Event "GER-chT Betriebe 17th"]
[Site "Berlin"]
[Date "2017.11.04"]
[Round "6.4"]
[White "Bockelmann, Rolf"]
[Black "Mahler, Sonja"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "1662"]
[BlackElo "1558"]
[PlyCount "91"]
[EventDate "2017.11.02"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Hamburg Baubehoerde II"]
[BlackTeam "Berlin Tempelhof IV"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 d6 3. h3 Nf6 4. d4 exd4 5. Qxd4 h6 6. Nc3 c6 7. Be2 b5 8. a3 Qa5 9. 0-0 Be7 10. Bd2 Qc7 11. Bf4 Nh5 12. Bh2 Be6 13. e5 d5 14. Nd2 g6 15. Bg4 Ng7 16. b4 a5 17. Nb3 Nd7 18. Nxa5 Rxa5 19. bxa5 Qxa5 20. Qd2 Bg5 21. f4 Be7 22. Ne4 Qb6+ 23. Nf2 h5 24. Bxe6 Nxe6 25. Kh1 Ng7 26. Bg1 Qc7 27. Qc3 Nf5 28. e6 Nf6 29. exf7+ Kxf7 30. Bh2 Bd6 31. Nd3 h4 32. Ne5+ Kg7 33. Ng4 d4 34. Qf3 Nxg4 35. Qxg4 Ne3 36. Qf3 Rf8 37. Rf2 g5 38. Qe4 c5 39. c3 Nf5 40. cxd4 cxd4 41. Rc2 Qb8 42. Rc6 Ng3+ 43. Bxg3 hxg3 44. Qxd4+ Kg8 45. Qxd6 Qe8 46. Qg6+ 1-0

[Event "GER-chT Betriebe 17th"]
[Site "Berlin"]
[Date "2017.11.03"]
[Round "4.4"]
[White "Mahler, Sonja"]
[Black "Baumann, Christoph"]
[Result "1-0"]
[ECO "D07"]
[WhiteElo "1558"]
[PlyCount "79"]
[EventDate "2017.11.02"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Berlin Tempelhof IV"]
[BlackTeam "Frankfurt AGI II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 d5 2. Bf4 Nc6 3. c4 e6 4. c5 b6 5. Nc3 bxc5 6. Qa4 Bb7 7. Nf3 Nf6 8. Ne5 Bd6 9. Bg5 h6 10. Bxf6 gxf6 11. Ng4 cxd4 12. Nb5 h5 13. Nxd6+ Qxd6 14. Nxf6+ Ke7 15. Nxd5+ exd5 16. a3 f5 17. Rc1 f4 18. h4 Rh6 19. Rh3 Qe5 20. Rb3 Rb8 21. Kd2 Rf6 22. Rc5 Kd6 23. Rxb7 Kxc5 24. Qb5+ Kd6 25. Rxb8 Nxb8 26. Qxb8 a6 27. Qd8+ Kc6 28. g3 d3 29. Qa8+ Kd7 30. Bh3+ Ke7 31. Kxd3 Qe4+ 32. Kd2 fxg3 33. Qc8 Kd6 34. Qd7+ Kc5 35. Qxc7+ Rc6 36. b4+ Kb5 37. Qb7+ Rb6 38. Bd7+ Kc4 39. Qc7+ Kd4 40. Qc3# 1-0

[Event "Berlin-ch QT"]
[Site "Berlin"]
[Date "2017.04.17"]
[Round "9"]
[White "Mahler, Sonja"]
[Black "Kargin, Vladimir"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1546"]
[BlackElo "1658"]
[PlyCount "101"]
[EventDate "2017.04.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 e6 3. Nf3 Bd6 4. Bg5 f6 5. Bh4 Ne7 6. e3 Nf5 7. Bg3 Nxg3 8. hxg3 Nc6 9. Nh4 Ne7 10. Be2 c6 11. c3 Qb6 12. Qc2 Bd7 13. Bh5+ Kd8 14. Nd2 Kc7 15. Be2 c5 16. a4 c4 17. Nhf3 h6 18. 0-0 a6 19. b3 cxb3 20. Nxb3 Rac8 21. Rfb1 Qa7 22. Na5 b6 23. Nb3 Rb8 24. c4 Kd8 25. Nfd2 Ke8 26. Bh5+ Kf8 27. Qd1 g6 28. Be2 Kg7 29. Bd3 Rhc8 30. f4 Bc7 31. Qg4 f5 32. Qh4 Bd8 33. g4 Nc6 34. Qg3 Nb4 35. Be2 a5 36. gxf5 exf5 37. Bh5 Be8 38. Rc1 Qe7 39. Be2 dxc4 40. Bxc4 Bf7 41. Be2 Nc2 42. Ba6 Rc3 43. Rxc2 Rxc2 44. e4 fxe4 45. f5 Bc7 46. f6+ Kxf6 47. Rf1+ Kg7 48. Qe3 Qh4 49. Rxf7+ Kxf7 50. Nf1 Bf4 51. Qh3 0-1

[Event "Berlin-ch QT"]
[Site "Berlin"]
[Date "2017.04.16"]
[Round "8"]
[White "Kostanyan, Hakob"]
[Black "Mahler, Sonja"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "1643"]
[BlackElo "1546"]
[PlyCount "61"]
[EventDate "2017.04.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]

1. e4 c6 2. d4 d6 3. Nc3 h6 4. f4 Qb6 5. Nf3 e6 6. Be2 Be7 7. 0-0 Nd7 8. Na4 Qc7 9. c4 a6 10. Be3 Ngf6 11. Nc3 Nh7 12. h3 Ndf8 13. d5 c5 14. b4 Bf6 15. e5 dxe5 16. d6 Qd8 17. fxe5 Bg5 18. Bxc5 Nd7 19. Bf2 Bf4 20. Qd4 g5 21. g3 g4 22. hxg4 Rg8 23. Qxf4 Ng5 24. Nxg5 Nxe5 25. Nxf7 Nxf7 26. Bc5 Qd7 27. Ne4 Rg6 28. Nf6+ Rxf6 29. Qxf6 b6 30. g5 bxc5 31. g6 1-0

[Event "Berlin-ch QT"]
[Site "Berlin"]
[Date "2017.04.15"]
[Round "7"]
[White "Kuehnert, Hanno"]
[Black "Mahler, Sonja"]
[Result "0-1"]
[ECO "D31"]
[WhiteElo "1642"]
[BlackElo "1546"]
[PlyCount "106"]
[EventDate "2017.04.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 e6 4. Nf3 h6 5. Bf4 Nf6 6. e3 Qa5 7. a3 Be7 8. Bd3 Nbd7 9. 0-0 Nf8 10. cxd5 exd5 11. h3 Ne6 12. Bh2 Qb6 13. Qd2 Ng5 14. Nxg5 hxg5 15. Na4 Qd8 16. Nc5 g4 17. hxg4 Nxg4 18. Bg3 Bh4 19. Be2 Bxg3 20. fxg3 Qg5 21. Bxg4 Bxg4 22. Rf4 Qh5 23. Raf1 Qh2+ 24. Kf2 Bh3 25. Ke1 Bxg2 26. R4f2 Qxg3 27. Rg1 Rh2 28. Nd3 g5 29. Ne5 Qh4 30. Qe2 Rh1 31. Rxh1 Qxh1+ 32. Kd2 Be4 33. Rh2 Qb1 34. Rh8+ Ke7 35. Rxa8 Qxb2+ 36. Ke1 Qc1+ 37. Kf2 Qxa3 38. Rg8 c5 39. Rg7 b5 40. Rxf7+ Ke8 41. Kg3 c4 42. Qh2 Qxe3+ 43. Rf3 Qe1+ 44. Qf2 Qxf2+ 45. Rxf2 c3 46. Nc6 a6 47. Re2 Kd7 48. Nb4 a5 49. Na2 b4 50. Nc1 c2 51. Re3 a4 52. Re1 b3 53. Na2 b2 0-1

[Event "Berlin-ch QT"]
[Site "Berlin"]
[Date "2017.04.14"]
[Round "6"]
[White "Mahler, Sonja"]
[Black "Reck, Jessica"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "1546"]
[BlackElo "1692"]
[PlyCount "72"]
[EventDate "2017.04.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 g6 3. e3 Bg7 4. c3 d6 5. Nd2 Nbd7 6. Ngf3 0-0 7. Be2 b6 8. Rc1 Bb7 9. Bd3 Qe8 10. Bb5 a6 11. Ba4 b5 12. Bb3 e5 13. Bg3 Rc8 14. a4 exd4 15. cxd4 Nh5 16. Kf1 Nxg3+ 17. hxg3 c5 18. axb5 axb5 19. Ra1 Ra8 20. Rc1 Qe7 21. Rh4 Nf6 22. Bc2 Rfe8 23. Qe2 Nd5 24. Re4 Qd7 25. Rh4 Nb4 26. Be4 d5 27. Bb1 c4 28. Ng5 h6 29. Nxf7 Qxf7 30. Rf4 Qe6 31. Rg4 g5 32. e4 Bc8 33. f3 Rf8 34. Kg1 Bxd4+ 35. Kh2 Qg6 36. f4 Qh5+ 0-1

[Event "Berlin-ch QT"]
[Site "Berlin"]
[Date "2017.04.13"]
[Round "5"]
[White "Mahler, Sonja"]
[Black "Reichert, Lutz"]
[Result "1-0"]
[ECO "A46"]
[WhiteElo "1546"]
[BlackElo "1646"]
[PlyCount "65"]
[EventDate "2017.04.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]

1. d4 d6 2. Bf4 Nf6 3. e3 Nbd7 4. Nf3 Nh5 5. Bg5 g6 6. c3 Bg7 7. Qb3 0-0 8. Bd3 c5 9. Na3 cxd4 10. cxd4 Qa5+ 11. Ke2 e5 12. Nc4 Qd5 13. e4 Qc6 14. Rac1 d5 15. Ne3 dxe4 16. Rxc6 exd3+ 17. Kd2 bxc6 18. Qxd3 exd4 19. Ng4 Nc5 20. Qc2 Ne6 21. Nh6+ Kh8 22. h4 Ba6 23. Qxc6 Nxg5 24. hxg5 Be2 25. Nxf7+ Kg8 26. Nxd4 Bg4 27. Qd5 Rad8 28. Nxd8+ Kh8 29. Nf7+ Kg8 30. Nh6+ Kh8 31. Nxg4 Rf4 32. Ne6 Rxg4 33. Qd8+ 1-0

[Event "Berlin-ch QT"]
[Site "Berlin"]
[Date "2017.04.12"]
[Round "4"]
[White "Abraham, Helmut"]
[Black "Mahler, Sonja"]
[Result "0-1"]
[ECO "A11"]
[WhiteElo "1514"]
[BlackElo "1546"]
[PlyCount "118"]
[EventDate "2017.04.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]

1. Nf3 d5 2. e3 c6 3. c4 Nf6 4. Nc3 e6 5. b3 Bb4 6. Bb2 Nbd7 7. a3 Ba5 8. b4 Bc7 9. cxd5 exd5 10. d4 Nf8 11. Be2 Bf5 12. Nh4 Bg6 13. Nxg6 hxg6 14. g3 Qd7 15. Bf3 Qh3 16. Qe2 Ne6 17. Qf1 Qf5 18. Qe2 Ng5 19. Bg2 0-0-0 20. f4 Ne6 21. e4 dxe4 22. Nxe4 Nxe4 23. Bxe4 Qh3 24. 0-0-0 Rhe8 25. Bg2 Qh6 26. Qf3 Bxf4+ 27. gxf4 Nxf4 28. Kb1 Nd5 29. b5 Re7 30. bxc6 bxc6 31. Qd3 Kb7 32. Bxd5 Rxd5 33. a4 Kb8 34. Rc1 g5 35. Rc5 Rdd7 36. Qg3+ Ka8 37. Rxg5 Qh7+ 38. Ka2 Qc2 39. Rxg7 Re8 40. Qb3 Qe2 41. Rxf7 Rb8 42. Qxb8+ Kxb8 43. Rxd7 Qe6+ 44. Ka1 Qxd7 45. h4 Qd5 46. Rh2 Qg8 47. Rh3 Qg2 48. Rb3+ Kc7 49. h5 Qh1+ 50. Ka2 Qxh5 51. Re3 Qd5+ 52. Ka3 Kb6 53. Rb3+ Kc7 54. Rh3 Qd6+ 55. Ka2 Qb4 56. Rh7+ Kb6 57. Rh6 Qxa4+ 58. Kb1 Qc4 59. Rh5 Qf1+ 0-1

[Event "Berlin-ch QT"]
[Site "Berlin"]
[Date "2017.04.10"]
[Round "2"]
[White "Mahler, Sonja"]
[Black "Stumpf, Andreas"]
[Result "1/2-1/2"]
[ECO "A40"]
[WhiteElo "1546"]
[BlackElo "1621"]
[PlyCount "88"]
[EventDate "2017.04.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]

1. d4 e6 2. Bf4 f5 3. e4 fxe4 4. Qh5+ g6 5. Qe5 Nf6 6. d5 Bd6 7. Qg5 Bxf4 8. Qxf4 exd5 9. Qe5+ Kf7 10. h4 d6 11. Qc3 Nc6 12. Ne2 Re8 13. Nd2 Qe7 14. Nb3 Qe5 15. Ned4 e3 16. 0-0-0 exf2 17. Bd3 Qe3+ 18. Kb1 Ne4 19. Bxe4 Qxc3 20. Bxd5+ Kg7 21. bxc3 Nxd4 22. Nxd4 Bg4 23. Rdf1 Re5 24. Bf3 Bxf3 25. gxf3 c5 26. Nb3 Re3 27. Rxf2 Rxc3 28. Rh3 Rf8 29. Kb2 Re3 30. Nd2 Rf4 31. Rf1 b5 32. Rg1 d5 33. h5 c4 34. Nb1 a5 35. hxg6 hxg6 36. Rhg3 Re6 37. Nc3 b4 38. Nxd5 Rd4 39. Rg5 c3+ 40. Kc1 a4 41. f4 Rde4 42. Kd1 Rd4+ 43. Kc1 Rde4 44. Kd1 Rd4+ 1/2-1/2

[Event "Berlin-ch QT"]
[Site "Berlin"]
[Date "2017.04.09"]
[Round "1"]
[White "Jansen, Robert"]
[Black "Mahler, Sonja"]
[Result "1-0"]
[ECO "D10"]
[WhiteElo "1784"]
[BlackElo "1546"]
[PlyCount "58"]
[EventDate "2017.04.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. e3 Bf5 4. Qb3 Qc7 5. cxd5 a6 6. Nc3 Nf6 7. Nf3 Nbd7 8. Ng5 Bg6 9. Be2 cxd5 10. 0-0 e6 11. Bd2 h5 12. Rac1 Qb8 13. f4 Be7 14. Bf3 Ng4 15. h3 Bxg5 16. hxg4 hxg4 17. Bxg4 Bd3 18. Nxd5 Bxf1 19. Nc7+ Kd8 20. Nxa8 Bxg2 21. Kxg2 Bxf4 22. exf4 Qxa8 23. Bf3 Qa7 24. Be3 b5 25. d5 Qb8 26. dxe6 fxe6 27. Qd3 Ke7 28. Qg6 Qf8 29. Qg5+ Kf7 1-0

[Event "GER-chT Betriebe 16th"]
[Site "Dresden"]
[Date "2016.11.06"]
[Round "7.4"]
[White "Mahler, Sonja"]
[Black "Rulfs, Ernst August"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "1553"]
[BlackElo "1598"]
[PlyCount "54"]
[EventDate "2016.11.03"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Berlin Tempelhof III"]
[BlackTeam "Hamburg Transit II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. Bf4 g6 3. e3 Bg7 4. c4 c5 5. Bd3 cxd4 6. Na3 dxe3 7. Bxe3 d6 8. f3 0-0 9. Qb3 Nbd7 10. Qb4 b6 11. Rd1 Nc5 12. Bb1 a5 13. Qd2 Ba6 14. Qf2 Nfd7 15. Nh3 Bxb2 16. Qxb2 Ne5 17. Bh6 Re8 18. f4 e6 19. Ng5 f6 20. fxe5 fxg5 21. exd6 Qd7 22. 0-0 Rab8 23. Rf6 Rb7 24. Bxg6 hxg6 25. Rxg6+ Kh7 26. Qc2 Rg8 27. Rg7+ Kh8 1-0

[Event "GER-chT Betriebe 16th"]
[Site "Dresden"]
[Date "2016.11.05"]
[Round "6.4"]
[White "Grandt, Bernd"]
[Black "Mahler, Sonja"]
[Result "1-0"]
[ECO "D11"]
[WhiteElo "2033"]
[BlackElo "1553"]
[PlyCount "59"]
[EventDate "2016.11.03"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Ludwigsfelde Stern"]
[BlackTeam "Berlin Tempelhof III"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 d5 2. c4 c6 3. Nf3 h6 4. Nc3 e6 5. Bf4 Nf6 6. e3 Qa5 7. Nd2 Nbd7 8. Qc2 Be7 9. Be2 Nh7 10. 0-0 Bf6 11. Rfe1 Bh4 12. Bd3 Nhf6 13. Bd6 Ng4 14. g3 Bg5 15. h3 Bxe3 16. fxe3 Ngf6 17. c5 Qd8 18. Rf1 h5 19. Nf3 Ng8 20. Bg6 Nh6 21. Bd3 Nf8 22. Rae1 Nd7 23. e4 Nf8 24. exd5 g5 25. dxc6 bxc6 26. Be4 Bd7 27. Ne5 f5 28. Bxf5 Rg8 29. Bh7 Rh8 30. Bg6+ 1-0

[Event "GER-chT Betriebe 16th"]
[Site "Dresden"]
[Date "2016.11.05"]
[Round "5.4"]
[White "Mahler, Sonja"]
[Black "Zunk, Olaf"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "1553"]
[BlackElo "1347"]
[PlyCount "78"]
[EventDate "2016.11.03"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Berlin Tempelhof III"]
[BlackTeam "Muenchen ADAC II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 b6 2. Bf4 Bb7 3. c4 e6 4. a3 Nf6 5. e3 d6 6. Nc3 Nbd7 7. Bg3 Be7 8. f3 Nh5 9. Bf2 f5 10. Nh3 g6 11. Ne2 Bf6 12. Qc2 Qe7 13. Rc1 0-0-0 14. Nc3 e5 15. d5 Kb8 16. b4 Bg7 17. Qa4 e4 18. Na2 Nhf6 19. Nf4 Rhe8 20. Ne6 Rc8 21. Nd4 Ne5 22. f4 Nd3+ 23. Bxd3 exd3 24. Nc6+ Bxc6 25. dxc6 Qe4 26. 0-0 Ng4 27. Rce1 Qxc4 28. Rc1 Qe4 29. Qa6 Qxc6 30. Rxc6 d2 31. Rd1 Nxe3 32. Rxd2 Ng4 33. Bg3 Re3 34. Rcxd6 Rce8 35. Rd1 Bb2 36. h3 Nh6 37. Kh2 Rxa3 38. Qc4 Re4 39. Rd8+ Kb7 1-0

[Event "GER-chT Betriebe 16th"]
[Site "Dresden"]
[Date "2016.11.05"]
[Round "4.4"]
[White "Riess, Bernhard"]
[Black "Mahler, Sonja"]
[Result "1-0"]
[ECO "D10"]
[WhiteElo "1567"]
[BlackElo "1553"]
[PlyCount "105"]
[EventDate "2016.11.03"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Berlin Osram II"]
[BlackTeam "Berlin Tempelhof III"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 d5 2. c4 c6 3. cxd5 Qxd5 4. Nc3 Qd8 5. e4 e6 6. Nf3 h6 7. Be2 b5 8. a3 Bb7 9. 0-0 Bd6 10. e5 Bc7 11. b4 a5 12. Bb2 a4 13. Ne4 Ne7 14. Nc5 Bc8 15. Qc2 Nd5 16. Rfd1 g5 17. Bc1 g4 18. Nd2 Qh4 19. g3 Qh5 20. Nde4 Ke7 21. Nd3 f5 22. exf6+ Nxf6 23. Nxf6 Kxf6 24. Nf4 Bxf4 25. Bxf4 Re8 26. Be5+ Ke7 27. Qh7+ Qf7 28. Bd6+ Kf6 29. Qxh6+ Qg6 30. Be5+ Kf7 31. Qxg6+ Kxg6 32. Bxg4 Nd7 33. Rac1 Bb7 34. f4 Rad8 35. Bf3 Rc8 36. Kf2 Nb6 37. h4 Nc4 38. Rc3 Rcd8 39. Be2 Nb6 40. Bc7 Nd5 41. Bxd8 Nxc3 42. h5+ Kf7 43. Bg5 Nxd1+ 44. Bxd1 Rh8 45. h6 Bc8 46. Bf3 Bd7 47. Be4 Be8 48. Ke3 Bd7 49. Bf3 Kg8 50. Ke4 Be8 51. Ke5 Bf7 52. Be4 Kf8 53. h7 1-0

[Event "Berlin-ch QT"]
[Site "Berlin"]
[Date "2014.04.19"]
[Round "1"]
[White "Mahler, Sonja"]
[Black "Wierzbicki, Jirawat"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1605"]
[BlackElo "1743"]
[PlyCount "90"]
[EventDate "2014.04.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 Bf5 4. c4 e6 5. a3 Be7 6. Nc3 0-0 7. Qb3 b6 8. Nb5 Ne8 9. Rc1 c6 10. Nc3 Bd6 11. Bg3 Nf6 12. Bh4 Nbd7 13. Nf3 Rc8 14. Be2 Qc7 15. 0-0 Qb8 16. cxd5 exd5 17. Ba6 Rce8 18. Rfe1 Bg4 19. Bg3 Bxf3 20. gxf3 Nh5 21. Bxd6 Qxd6 22. Kh1 Re6 23. Bd3 Rh6 24. Rg1 Qf6 25. Qd1 Re8 26. Rg4 Qe6 27. e4 Ndf6 28. Rh4 g5 29. Qg1 dxe4 30. Nxe4 Kh8 31. Nxg5 Qd7 32. Bc4 Rf8 33. Bd3 c5 34. Rc4 Rg8 35. Bc2 Qd5 36. Nxf7+ Qxf7 37. Qf1 cxd4 38. Rcxd4 Qg7 39. Bb3 Re8 40. Ba4 Rc8 41. Bb3 Qg5 42. Qh3 Rc1+ 43. Bd1 Rg6 44. Qf1 Rg8 45. Rc4 Rxd1 0-1

[Event "Berlin Lichtenberger op 11th"]
[Site "Berlin"]
[Date "2012.08.25"]
[Round "8"]
[White "Fontaine, Constantin"]
[Black "Mahler, Sonja"]
[Result "1-0"]
[ECO "A07"]
[BlackElo "1644"]
[PlyCount "56"]
[EventDate "2012.08.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 150 Extra"]
[Source "ChessBase"]
[SourceDate "2012.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2012.10.19"]
[SourceQuality "1"]

1. g3 d5 2. Bg2 c6 3. Nf3 Bg4 4. 0-0 Nd7 5. d3 e5 6. e4 Qc7 7. Nbd2 Rd8 8. c3 Nc5 9. Qc2 dxe4 10. dxe4 Nf6 11. b4 Nd3 12. Nc4 b5 13. Nb2 Nxb2 14. Bxb2 Bd6 15. c4 bxc4 16. Qxc4 Rb8 17. a3 0-0 18. Rac1 Rb6 19. Bc3 Rc8 20. Rc2 Qb7 21. Nxe5 c5 22. Nxg4 Nxg4 23. e5 Nxe5 24. Bxe5 Qd7 25. Bxd6 Rxd6 26. bxc5 Rd4 27. Qb3 a5 28. c6 Qf5 1-0

[Event "Berlin Lichtenberger op 11th"]
[Site "Berlin"]
[Date "2012.08.24"]
[Round "7"]
[White "Mahler, Sonja"]
[Black "Urbaniak, Andreas"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "1644"]
[BlackElo "1708"]
[PlyCount "80"]
[EventDate "2012.08.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 150 Extra"]
[Source "ChessBase"]
[SourceDate "2012.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2012.10.19"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 e6 3. e3 c5 4. c3 Nc6 5. a3 d5 6. Be2 cxd4 7. exd4 Bd6 8. Bg5 h6 9. Bh4 g5 10. Bg3 Ne4 11. Bh5 0-0 12. Qc1 Qc7 13. Ne2 f5 14. f4 Nxg3 15. hxg3 g4 16. Kf2 b6 17. Rh2 Rf6 18. Qh1 Qg7 19. Nd2 Ba6 20. Nf1 Na5 21. Rh4 Kh7 22. Re1 Bd3 23. Qh2 Nc4 24. Ra1 Be4 25. b3 Nxa3 26. Rc1 Rc8 27. Ne3 Nb1 28. Rh1 Bf8 29. b4 Nd2 30. Bxg4 fxg4 31. Nxg4 Rg6 32. Ne5 Rf6 33. g4 Nc4 34. g5 Qxg5 35. Rg4 Qf5 36. Ng3 Nxe5 37. dxe5 Qxg4 38. exf6 Qxf4+ 39. Ke2 Rxc3 40. Nxe4 Qxe4+ 0-1

[Event "Berlin Lichtenberger op 11th"]
[Site "Berlin"]
[Date "2012.08.23"]
[Round "6"]
[White "Kurbel, Horst Peter"]
[Black "Mahler, Sonja"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "1865"]
[BlackElo "1644"]
[PlyCount "83"]
[EventDate "2012.08.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 150 Extra"]
[Source "ChessBase"]
[SourceDate "2012.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2012.10.19"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 h6 4. cxd5 exd5 5. Nf3 Nf6 6. Bf4 c6 7. Rc1 Be7 8. Qc2 Nbd7 9. e3 Nh7 10. Bd3 Ng5 11. Nxg5 hxg5 12. Bg3 g4 13. Nxd5 Qa5+ 14. Nc3 Bh4 15. Bd6 Nf8 16. Be5 Ne6 17. Bf5 f6 18. Bg6+ Ke7 19. Bg3 Bxg3 20. fxg3 Qg5 21. Qe4 Kd8 22. Qd3 Rf8 23. Rf1 Bd7 24. Bf5 Re8 25. Ne4 Qh6 26. Nd6 Re7 27. Kf2 Nc7 28. Bg6 Be8 29. Bxe8 Nxe8 30. Nxb7+ Kc7 31. Na5 Re6 32. d5 Rd6 33. Rxc6+ Rxc6 34. Nxc6 Nd6 35. Rc1 Kd7 36. Nd4 Re8 37. Rc6 Qxh2 38. Rxd6+ Kxd6 39. Qa6+ Ke7 40. Qb7+ Kd6 41. Qc6+ Ke7 42. d6+ 1-0

[Event "Berlin Lichtenberger op 11th"]
[Site "Berlin"]
[Date "2012.08.21"]
[Round "4"]
[White "Mahler, Sonja"]
[Black "Pilgrim, Wilfried"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1644"]
[BlackElo "1486"]
[PlyCount "47"]
[EventDate "2012.08.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 150 Extra"]
[Source "ChessBase"]
[SourceDate "2012.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2012.10.19"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 e6 3. e3 d5 4. a3 Be7 5. c4 b6 6. Nc3 Bb7 7. Nb5 a6 8. Nxc7+ Kf8 9. Nxa8 Bxa8 10. Rc1 dxc4 11. Rxc4 Bd5 12. Rc7 g6 13. Bh6+ Kg8 14. Qc1 Nc6 15. Rxc6 Bxc6 16. Qxc6 Ng4 17. Bf4 h5 18. h3 Nxf2 19. Kxf2 Bh4+ 20. g3 Bxg3+ 21. Bxg3 Qf6+ 22. Ke1 h4 23. Be5 Qg5 24. Qe8+ 1-0

[Event "Berlin Lichtenberger op 11th"]
[Site "Berlin"]
[Date "2012.08.20"]
[Round "3"]
[White "Kranch, Klaus"]
[Black "Mahler, Sonja"]
[Result "1/2-1/2"]
[ECO "D10"]
[WhiteElo "1770"]
[BlackElo "1644"]
[PlyCount "107"]
[EventDate "2012.08.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 150 Extra"]
[Source "ChessBase"]
[SourceDate "2012.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2012.10.19"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 h6 4. Nf3 Bg4 5. Ne5 Bh5 6. cxd5 f6 7. Nd3 cxd5 8. Qa4+ Kf7 9. Nf4 Bg4 10. Qc2 e6 11. Qg6+ Ke7 12. Qxg4 f5 13. Ng6+ Ke8 14. Qg3 Rh7 15. Nxf8 Kxf8 16. e3 a6 17. Be2 Nf6 18. 0-0 Nc6 19. Bd2 g5 20. f3 Rg7 21. Na4 b6 22. Rac1 Nh5 23. Qh3 Qe8 24. g4 Nxd4 25. exd4 Qxa4 26. Be3 Nf4 27. Bxf4 Qxd4+ 28. Kh1 Qxf4 29. Rc6 Qe3 30. Qg2 d4 31. Bc4 Re8 32. Rd6 Rc7 33. Bxa6 Rc1 34. h3 Re7 35. Rd8+ Kf7 36. Qe2 Rxf1+ 37. Qxf1 Rc7 38. Rc8 Rxc8 39. Bxc8 d3 40. Ba6 d2 41. Qe2 Qd4 42. Qd1 Qxb2 43. Bc4 Qd4 44. Bb3 Qf2 45. gxf5 Qe1+ 46. Kg2 b5 47. fxe6+ Ke7 48. a3 Kd6 49. Qc2 Qe2+ 50. Kg3 Qe1+ 51. Kg2 Qe2+ 52. Kg3 Qe1+ 53. Kg2 Qe2+ 54. Kg3 1/2-1/2

[Event "Berlin Lichtenberger op 11th"]
[Site "Berlin"]
[Date "2012.08.19"]
[Round "2"]
[White "Mahler, Sonja"]
[Black "Rehder, Frank"]
[Result "0-1"]
[ECO "E61"]
[WhiteElo "1644"]
[BlackElo "1879"]
[PlyCount "54"]
[EventDate "2012.08.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 150 Extra"]
[Source "ChessBase"]
[SourceDate "2012.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2012.10.19"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 d6 3. e3 g6 4. Be2 Bg7 5. c4 0-0 6. Nc3 Nbd7 7. Nf3 Nh5 8. Bg5 h6 9. Bh4 g5 10. Bg3 Ndf6 11. Nd2 Nxg3 12. hxg3 e5 13. dxe5 dxe5 14. Qc2 Be6 15. Rd1 Qe7 16. Nf3 Nd7 17. Rh5 f5 18. Nd5 Bxd5 19. cxd5 Nf6 20. Qb3 Qd6 21. Rh1 Rab8 22. Rc1 Ne4 23. a3 a6 24. a4 Rfc8 25. Qa2 Qb4+ 26. Rc3 Nxc3 27. d6+ Nxa2+ 0-1

[Event "Berlin Lichtenberger op 11th"]
[Site "Berlin"]
[Date "2012.08.18"]
[Round "1"]
[White "Kupfer, Michael"]
[Black "Mahler, Sonja"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2021"]
[BlackElo "1644"]
[PlyCount "29"]
[EventDate "2012.08.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 150 Extra"]
[Source "ChessBase"]
[SourceDate "2012.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2012.10.19"]
[SourceQuality "1"]

1. e4 d6 2. d4 c6 3. Nc3 Qc7 4. f4 b5 5. Nf3 Qa5 6. Bd3 b4 7. Ne2 Nh6 8. Bd2 Qb6 9. a3 c5 10. axb4 cxb4 11. c3 Bg4 12. Qa4+ Nd7 13. Bb5 Rb8 14. c4 Rb7 15. Bxb4 1-0

[Event "Berlin-ch qualification"]
[Site "Berlin-Lichtenrade"]
[Date "2012.04.14"]
[Round "9.12"]
[White "Koerlin, Hans Juergen"]
[Black "Mahler, Sonja"]
[Result "1-0"]
[ECO "C30"]
[WhiteElo "1859"]
[BlackElo "1635"]
[PlyCount "47"]
[EventDate "2012.04.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. f4 d6 3. Nf3 Nd7 4. c3 Be7 5. d4 exd4 6. cxd4 c6 7. Nc3 b5 8. Bd3 a6 9. 0-0 h5 10. e5 Nf8 11. Qe2 d5 12. f5 Ra7 13. Bd2 h4 14. Rae1 Rh5 15. e6 f6 16. Ne5 Rh7 17. Nxc6 Qb6 18. Nxa7 Qxa7 19. Nxb5 Qb6 20. Kh1 axb5 21. Bxb5+ Kd8 22. a4 Bd6 23. Rc1 Ke7 24. Rxc8 1-0

[Event "Berlin-ch qualification"]
[Site "Berlin-Lichtenrade"]
[Date "2012.04.13"]
[Round "8.12"]
[White "Mahler, Sonja"]
[Black "Heerd, Thomas"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "1635"]
[BlackElo "1927"]
[PlyCount "104"]
[EventDate "2012.04.08"]
[EventType "swiss"]
[EventRounds "9"]
[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. e3 Bg7 4. Nf3 0-0 5. c4 c5 6. Bd3 Nc6 7. d5 Nb4 8. Be2 Ne4 9. Qc1 d6 10. 0-0 e5 11. dxe6 Bxe6 12. Rd1 Qf6 13. Nbd2 Nxd2 14. Rxd2 Qf5 15. a3 Nc6 16. Bd3 Qh5 17. Bxd6 Rfd8 18. Be2 Na5 19. Bd1 Qg4 20. Nd4 Qe4 21. Bf3 Qh4 22. Bg3 Qh6 23. Nxe6 Rxd2 24. Nxg7 Nb3 25. Qc3 Nxa1 26. Qxd2 Qxg7 27. h4 Qf6 28. Bd1 b5 29. cxb5 c4 30. Bf4 Nb3 31. Qc2 Rc8 32. Be2 Qe6 33. a4 f6 34. Qd1 Kg7 35. Bf3 Rc5 36. e4 h6 37. Be3 Rc7 38. h5 Rd7 39. Qc2 Nd4 40. Bxd4 Rxd4 41. hxg6 Kxg6 42. Qe2 Qe5 43. g3 h5 44. Bg2 Qg5 45. Bh3 Qd2 46. Bf5+ Kh6 47. Qf3 Qc1+ 48. Kh2 Rd3 49. Qg2 Qxb2 50. e5 Rd2 51. Kg1 Qxe5 52. g4 Rd1+ 0-1

[Event "Berlin-ch qualification"]
[Site "Berlin-Lichtenrade"]
[Date "2012.04.12"]
[Round "7.13"]
[White "Sicora, Carsten"]
[Black "Mahler, Sonja"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "1943"]
[BlackElo "1635"]
[PlyCount "120"]
[EventDate "2012.04.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 h6 4. 0-0 Bc5 5. c3 d6 6. d4 exd4 7. cxd4 Bb6 8. Re1 Bg4 9. e5 d5 10. Bb5 Nge7 11. Be3 0-0 12. Nc3 Bxf3 13. gxf3 Qc8 14. Kh1 Qh3 15. Rg1 Rad8 16. Rg3 Qh4 17. Rg4 Qh5 18. Ne2 f5 19. Nf4 Qf7 20. Rg2 Kh7 21. h4 Rg8 22. e6 Qe8 23. h5 g5 24. hxg6+ Nxg6 25. Rh2 Nxf4 26. Bxf4 Rg6 27. e7 Qxe7 28. Bxc6 bxc6 29. Qd2 Qg7 30. Be5 Qg8 31. Bf4 Qg7 32. Be5 Qg8 33. Re1 Re8 34. Qf4 a5 35. Rc1 Rf8 36. a4 Rf7 37. Rh5 Qf8 38. Qh4 Qg8 39. Bf4 Rff6 40. Be5 Rf7 41. Bf4 Rff6 42. Be5 Rf8 43. Kh2 Rf7 44. Re1 c5 45. Bf4 Qg7 46. Re8 Rff6 47. Be5 Qf7 48. Ra8 cxd4 49. Bxf6 Rxf6 50. Rg5 Rg6 51. Rxg6 Kxg6 52. Qg3+ Kh7 53. Rd8 d3 54. Qe5 Qh5+ 55. Kg1 Qg5+ 56. Kf1 Qxd8 57. Qxf5+ Kg7 58. Qxd3 Qh4 59. Qc2 Qc4+ 60. Qxc4 dxc4 0-1

[Event "Berlin-ch qualification"]
[Site "Berlin-Lichtenrade"]
[Date "2012.04.11"]
[Round "6.13"]
[White "Mahler, Sonja"]
[Black "Baumeister, Wolfgang"]
[Result "1-0"]
[ECO "A80"]
[WhiteElo "1635"]
[BlackElo "1821"]
[PlyCount "47"]
[EventDate "2012.04.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 f5 2. Bf4 Nf6 3. e3 e6 4. Nf3 b6 5. a3 Bb7 6. c4 c5 7. Nc3 d5 8. Nb5 Na6 9. Qa4 Qd7 10. Ne5 0-0-0 11. Nxd7 Rxd7 12. Be5 Ng4 13. Nxa7+ Kd8 14. cxd5 Bxd5 15. Qxa6 Rb7 16. Bb5 Nxe5 17. dxe5 Bxg2 18. Rd1+ Ke7 19. Nc8+ Kf7 20. Rg1 Be4 21. Rd8 c4 22. Be8+ Kg8 23. Qxc4 Bd5 24. Rxd5 1-0

[Event "Berlin-ch qualification"]
[Site "Berlin-Lichtenrade"]
[Date "2012.04.10"]
[Round "5.13"]
[White "Graul, Dieter"]
[Black "Mahler, Sonja"]
[Result "0-1"]
[ECO "D13"]
[WhiteElo "1802"]
[BlackElo "1635"]
[PlyCount "77"]
[EventDate "2012.04.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nf3 a6 5. Bf4 e6 6. Nc3 Nf6 7. e3 Be7 8. Bd3 0-0 9. Rc1 Re8 10. 0-0 Bd6 11. Bg3 Nc6 12. Re1 Be7 13. Ne5 Nb8 14. a3 g6 15. Na4 Nh5 16. Qb3 Nxg3 17. hxg3 Nd7 18. Nxd7 Bxd7 19. Nb6 Rb8 20. Nxd7 Qxd7 21. Rc3 h5 22. Rec1 Bd6 23. Qc2 Kg7 24. Kf1 Rh8 25. Be2 h4 26. g4 h3 27. g3 e5 28. dxe5 Bxe5 29. Rd3 Qe6 30. Bf3 Rbd8 31. Qb3 Rc8 32. Rcd1 Rc7 33. Rxd5 Qf6 34. Bh1 Bxg3 35. R5d2 Be5 36. Qd3 Rh4 37. f3 Rxg4 38. Ke2 Rg3 39. Qe4 0-1

[Event "Berlin-ch qualification"]
[Site "Berlin-Lichtenrade"]
[Date "2012.04.09"]
[Round "4.14"]
[White "Mahler, Sonja"]
[Black "Engers, Felix"]
[Result "1/2-1/2"]
[ECO "A45"]
[WhiteElo "1635"]
[BlackElo "1785"]
[PlyCount "96"]
[EventDate "2012.04.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 c5 3. d5 b6 4. e3 Bb7 5. c4 g6 6. Nc3 Bg7 7. d6 a6 8. dxe7 Qxe7 9. Bd6 Qe6 10. Rc1 Ne4 11. Bc7 Nxc3 12. bxc3 0-0 13. h4 Re8 14. Nh3 Qc6 15. Bd6 Re6 16. Bg3 Be5 17. Bf4 Qc7 18. Bh6 Nc6 19. h5 b5 20. hxg6 fxg6 21. Ng5 Rd6 22. Qg4 Qa5 23. Be2 Bxc3+ 24. Kf1 Bb2 25. Ne4 Ne5 26. Qf4 Bxe4 27. Qxe4 Rb8 28. Rb1 Qa4 29. f3 Bc3 30. Kf2 b4 31. Rhc1 Rc8 32. Rxc3 Ng4+ 33. fxg4 Rf6+ 34. Kg3 bxc3 35. Bd3 Qc6 36. Qe7 Rf7 37. Qg5 Re8 38. Bxg6 Qxg6 39. Rc1 Qxg5 40. Bxg5 Rg7 41. Bf4 Rd8 42. Rxc3 d5 43. cxd5 Rxd5 44. e4 Rd4 45. Be5 Rxe4 46. Bxg7 Kxg7 47. Rxc5 Ra4 48. Rc2 Kg6 1/2-1/2

[Event "Berlin-ch qualification"]
[Site "Berlin-Lichtenrade"]
[Date "2012.04.09"]
[Round "3.14"]
[White "Sandbrand, Alexandru"]
[Black "Mahler, Sonja"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "1310"]
[BlackElo "1635"]
[PlyCount "70"]
[EventDate "2012.04.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 h6 4. c3 Nf6 5. d4 exd4 6. cxd4 Nxe4 7. 0-0 d5 8. Bb3 Be7 9. Nc3 Nf6 10. Ne5 Be6 11. Ba4 Bd7 12. Bb3 Be6 13. Ba4 Bd7 14. Bb3 Nxe5 15. dxe5 Ng4 16. Qxd5 0-0 17. h3 c6 18. Qe4 Nxe5 19. Qxe5 Bf6 20. Qe4 Re8 21. Qd3 Qc8 22. Bf4 Bf5 23. Qg3 g5 24. h4 Kh7 25. hxg5 Rg8 26. Rfe1 Bxg5 27. Bxf7 Rg7 28. Bh5 Bd8 29. Re8 Rxg3 30. fxg3 Bg6 31. Bxg6+ Kxg6 32. Bxh6 Bb6+ 33. Be3 Qxe8 34. Bxb6 axb6 35. a3 Qe3+ 0-1

[Event "Berlin-ch qualification"]
[Site "Berlin-Lichtenrade"]
[Date "2012.04.08"]
[Round "1.14"]
[White "Batzaya, Ayush"]
[Black "Mahler, Sonja"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1936"]
[BlackElo "1635"]
[PlyCount "83"]
[EventDate "2012.04.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 d6 2. d4 c6 3. Nc3 Qc7 4. Be3 Nf6 5. Bd3 h6 6. Qe2 b5 7. a3 a5 8. Nf3 e5 9. h3 Be7 10. d5 Bb7 11. dxc6 Nxc6 12. Bxb5 Qd8 13. Nd5 Nd7 14. Rd1 Rb8 15. 0-0 Ba8 16. b3 h5 17. Qc4 Rc8 18. Ba6 Rb8 19. Qd3 Rg8 20. Nxe7 Nxe7 21. Ba7 Rc8 22. Bxc8 Nxc8 23. Be3 g5 24. Nd2 g4 25. hxg4 Rxg4 26. f3 Rg6 27. Qa6 Ncb6 28. Nc4 d5 29. Nxb6 Nxb6 30. Qb5+ Nd7 31. exd5 h4 32. Kh2 Qf6 33. Qc4 Bb7 34. Rf2 Rg7 35. Qe4 Rg3 36. Rd3 Ba6 37. c4 Bb7 38. f4 Qh8 39. Bd2 Rg4 40. Qf5 Rg6 41. fxe5 Qh7 42. Rdf3 1-0

[Event "Berlin-ch qualification"]
[Site "Berlin-Lichtenrade"]
[Date "2012.04.08"]
[Round "2.14"]
[White "Mahler, Sonja"]
[Black "Sebastian, Martin"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1635"]
[BlackElo "2011"]
[PlyCount "64"]
[EventDate "2012.04.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 e6 3. e3 d5 4. a3 Bd6 5. Bg5 h6 6. Bh4 c5 7. dxc5 Bxc5 8. b4 Bd6 9. Nf3 0-0 10. Be2 Bd7 11. Nc3 Nc6 12. Rc1 Rc8 13. Nb1 Qe7 14. c4 dxc4 15. Bxf6 gxf6 16. Rxc4 Rfd8 17. Rh4 Qf8 18. Nbd2 f5 19. h3 Be7 20. Rh5 Be8 21. Bc4 Nxb4 22. Qb1 Rxc4 23. g4 Nd3+ 24. Ke2 Rc5 25. gxf5 Rxf5 26. Rg1+ Kh8 27. Rxf5 exf5 28. Nd4 Rxd4 29. exd4 Nf4+ 30. Ke1 Bg5 31. Qxf5 Qe7+ 32. Ne4 Bd7 0-1

[Event "Berlin Lichtenberger op 10th"]
[Site "Berlin"]
[Date "2011.08.21"]
[Round "9"]
[White "Mahler, Sonja"]
[Black "Pallas, Sebastian"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1656"]
[BlackElo "1803"]
[PlyCount "83"]
[EventDate "2011.08.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 Nbd7 4. c4 e6 5. a3 c6 6. c5 b6 7. b4 a5 8. b5 cxb5 9. c6 b4 10. Bd3 bxa3 11. Nxa3 Bb4+ 12. Kf1 Nf8 13. Nb5 Ke7 14. Ra4 Ne8 15. Nf3 f6 16. Rxb4 axb4 17. Qb1 Kf7 18. Bg3 Ng6 19. h4 Ne7 20. c7 Qd7 21. Qxb4 Ra1+ 22. Ne1 Ra5 23. Rg1 Nf5 24. Bf4 Qe7 25. Qb3 g6 26. g4 Nfd6 27. g5 Nxb5 28. Bxb5 fxg5 29. Bxg5 Qxc7 30. Rg3 Rf8 31. Qb4 Nd6 32. Bf4 Rxb5 33. Qa3 Rd8 34. Rf3 Kg8 35. Kg2 Qd7 36. Bh6 Nf5 37. Bg5 Re8 38. Nd3 Qd6 39. Qa4 Bd7 40. Qa7 Ra5 41. Bf4 Rxa7 42. Bxd6 0-1

[Event "Berlin Lichtenberger op 10th"]
[Site "Berlin"]
[Date "2011.08.20"]
[Round "8"]
[White "Schmidek, Emil"]
[Black "Mahler, Sonja"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "1732"]
[BlackElo "1656"]
[PlyCount "69"]
[EventDate "2011.08.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. e4 c6 2. Nf3 d6 3. d4 e6 4. c4 h6 5. Nc3 Be7 6. Bf4 h5 7. Qd2 h4 8. h3 Nd7 9. Be2 Nf8 10. Rb1 a5 11. a3 Nh7 12. Be3 Bd7 13. b4 axb4 14. axb4 Ra3 15. Qb2 Qa8 16. 0-0 g5 17. Bd1 g4 18. hxg4 Nhf6 19. g5 Ng4 20. Ba4 Rxc3 21. Qxc3 h3 22. Ra1 Qc8 23. e5 Qd8 24. Bf4 Rh5 25. Bc2 Bxg5 26. Bxg5 Rxg5 27. Nxg5 Qxg5 28. Qxh3 Kd8 29. f4 Qg7 30. Qh7 Qf8 31. Qh4+ Kc7 32. Qxg4 Nh6 33. Qg5 Qh8 34. exd6+ Kxd6 35. Qe5+ 1-0

[Event "Berlin Lichtenberger op 10th"]
[Site "Berlin"]
[Date "2011.08.18"]
[Round "6"]
[White "Kammler, Hans Joachim"]
[Black "Mahler, Sonja"]
[Result "0-1"]
[ECO "C60"]
[WhiteElo "1519"]
[BlackElo "1656"]
[PlyCount "89"]
[EventDate "2011.08.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nge7 4. d4 exd4 5. Nxd4 Ne5 6. Bf4 N5g6 7. Qf3 c6 8. Bd3 Qb6 9. Nb3 a5 10. Be3 Qc7 11. 0-0 d6 12. Qg3 Bd7 13. f4 Ng8 14. Qf2 c5 15. Bc4 Nf6 16. Nc3 Qd8 17. Be2 Be7 18. Rad1 Rb8 19. Qg3 Ng8 20. Qe1 Nf6 21. f5 Ne5 22. Bf4 b5 23. Bxe5 dxe5 24. Bxb5 Qb6 25. Bxd7+ Nxd7 26. Nd5 Qa7 27. Qg3 Bf8 28. Qh4 c4+ 29. Kh1 cxb3 30. cxb3 Rc8 31. Rc1 Nc5 32. Rc4 Qa6 33. Rfc1 Bd6 34. f6 g6 35. Qh6 Bf8 36. Qh3 Bd6 37. a3 Rc6 38. b4 Nxe4 39. Rxc6 Nf2+ 40. Kg1 Nxh3+ 41. gxh3 Qa7+ 42. Nb6 0-0 43. bxa5 Qxa5 44. Nc4 Bc5+ 45. Kf1 0-1

[Event "Berlin Lichtenberger op 10th"]
[Site "Berlin"]
[Date "2011.08.17"]
[Round "5"]
[White "Mahler, Sonja"]
[Black "Yuan, Yizheng"]
[Result "0-1"]
[ECO "A47"]
[WhiteElo "1656"]
[BlackElo "1889"]
[PlyCount "60"]
[EventDate "2011.08.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 e6 3. Nf3 b6 4. e3 Bb7 5. a3 Be7 6. c4 c5 7. Nc3 cxd4 8. Nxd4 a6 9. Bd3 0-0 10. Rg1 d5 11. g4 dxc4 12. Bb1 Nd5 13. Qc2 g6 14. Bh6 Re8 15. g5 Qd6 16. h4 Nf4 17. Nd1 Nd3+ 18. Kf1 Nc6 19. Nf3 Nce5 20. Nd2 Red8 21. Ke2 Qc6 22. Qc3 b5 23. Bxd3 cxd3+ 24. Kf1 Qxc3 25. bxc3 Nc4 26. Nb1 Bf3 27. Ke1 d2+ 28. Nxd2 Rxd2 29. Rg3 Re2+ 30. Kf1 Nd2+ 0-1

[Event "Berlin Lichtenberger op 10th"]
[Site "Berlin"]
[Date "2011.08.16"]
[Round "4"]
[White "Ziems, Michael"]
[Black "Mahler, Sonja"]
[Result "1-0"]
[ECO "D37"]
[WhiteElo "1795"]
[BlackElo "1656"]
[PlyCount "77"]
[EventDate "2011.08.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 h6 4. Nf3 Nf6 5. e3 c6 6. Be2 Be7 7. 0-0 Qc7 8. b3 Nbd7 9. Bb2 a6 10. Qc2 Qb8 11. Rac1 Nh7 12. e4 Ndf6 13. e5 Nh5 14. g3 g6 15. Bd3 Rg8 16. Ne2 Nf8 17. Ne1 Bd7 18. Ng2 Ng7 19. Ne3 h5 20. Nf4 Nf5 21. Rfe1 Bg5 22. Nxf5 exf5 23. e6 fxe6 24. Re5 Bxf4 25. gxf4 g5 26. Bxf5 gxf4+ 27. Kf1 Qd8 28. Qe2 Qg5 29. Qf3 Kd8 30. Bxe6 Qg6 31. Bxg8 Qxg8 32. Qxh5 Kc7 33. cxd5 Kb6 34. Qg5 Qh7 35. Qe7 Qd3+ 36. Ke1 a5 37. Qc5+ Ka6 38. Qc4+ Qxc4 39. bxc4 1-0

[Event "Berlin Lichtenberger op 10th"]
[Site "Berlin"]
[Date "2011.08.14"]
[Round "2"]
[White "Bergmann, Jens"]
[Black "Mahler, Sonja"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1952"]
[BlackElo "1656"]
[PlyCount "61"]
[EventDate "2011.08.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. d4 d5 2. g3 c6 3. Bg2 h6 4. Nf3 Bg4 5. Nbd2 Nf6 6. 0-0 e6 7. h3 Bh5 8. Ne5 Nfd7 9. f4 Nxe5 10. dxe5 Nd7 11. g4 Bc5+ 12. Kh2 Bxg4 13. hxg4 Qh4+ 14. Bh3 Bf2 15. Rg1 h5 16. Nf3 Bxg1+ 17. Qxg1 Qe7 18. g5 Nc5 19. Be3 Nd7 20. c3 a5 21. a4 Ra6 22. Nd4 Qd8 23. g6 Nf8 24. gxf7+ Kxf7 25. f5 Qh4 26. Nxe6 Rh7 27. Ng5+ Kg8 28. Nxh7 Kxh7 29. Qg2 Nd7 30. Qg6+ Kg8 31. f6 1-0

[Event "Berlin Lichtenberger op 10th"]
[Site "Berlin"]
[Date "2011.08.14"]
[Round "3"]
[White "Mahler, Sonja"]
[Black "Herzsprung, Johanna"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1656"]
[PlyCount "85"]
[EventDate "2011.08.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nc6 3. e3 Nf6 4. c4 e6 5. a3 Bd6 6. Bg5 h6 7. Bh4 g5 8. Bg3 Bxg3 9. hxg3 Bd7 10. c5 b6 11. Be2 bxc5 12. dxc5 a5 13. Nf3 Ne4 14. Qc2 Qe7 15. Nc3 Nxc5 16. Nb5 Kd8 17. Rd1 f6 18. b3 Na7 19. Nc3 Rb8 20. Rb1 Nb5 21. Bxb5 Bxb5 22. Nxb5 Rxb5 23. Nd4 Rb6 24. b4 axb4 25. axb4 Ne4 26. Nc6+ Rxc6 27. Qxc6 Qd7 28. Qc1 Ke7 29. Ra1 Kf7 30. Ra7 Kg6 31. Qc2 f5 32. Rxc7 Qb5 33. Qb2 Rg8 34. Re7 Nc5 35. Qb1 Qb6 36. g4 Rb8 37. 0-0 Qxb4 38. Qa1 Qb2 39. Qa7 Rc8 40. Ra1 Kf6 41. Rf7+ Ke5 42. Rxf5+ exf5 43. Qg7+ 1-0

[Event "Berlin Lichtenberger op 10th"]
[Site "Berlin"]
[Date "2011.08.13"]
[Round "1"]
[White "Mahler, Sonja"]
[Black "Kievelitz, Bernd"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1656"]
[BlackElo "2070"]
[PlyCount "58"]
[EventDate "2011.08.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 d5 3. e3 e6 4. Nf3 Be7 5. c4 0-0 6. a3 b6 7. Nc3 Bb7 8. Nb5 Na6 9. Qa4 c6 10. Nc3 dxc4 11. Qxc4 c5 12. Rd1 Qc8 13. Qa4 Nc7 14. Bd3 cxd4 15. Nxd4 Ncd5 16. Nxd5 Nxd5 17. Be5 Rd8 18. Ke2 Bd6 19. Rc1 Qd7 20. Bb5 Qe7 21. Bg3 Bxg3 22. hxg3 Rac8 23. Rcg1 a6 24. Bd3 Nf6 25. Rh4 h6 26. Rgh1 b5 27. Nxb5 axb5 28. Qf4 Qd6 29. Rxh6 Qxd3+ 0-1

[Event "Berlin-ch qualification"]
[Site "Berlin-Lichtenrade"]
[Date "2011.04.29"]
[Round "7.19"]
[White "Hadj Sassi, Nabil"]
[Black "Mahler, Sonja"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2000"]
[BlackElo "1604"]
[PlyCount "35"]
[EventDate "2011.04.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c6 2. Nc3 d6 3. d4 h6 4. Bc4 b5 5. Nxb5 cxb5 6. Bd5 e6 7. Bxa8 Qc7 8. Nf3 a5 9. Qd3 Ba6 10. Qc3 Qb6 11. d5 b4 12. Be3 Qd8 13. Bc6+ Ke7 14. Qd4 e5 15. Nxe5 Nf6 16. Qa7+ Nfd7 17. Nxd7 Nxd7 18. Bxd7 1-0

[Event "Berlin qualification op"]
[Site "Berlin"]
[Date "2010.04.11"]
[Round "9"]
[White "Mahler, Sonja"]
[Black "Agapova, Svetlana"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1596"]
[BlackElo "1400"]
[PlyCount "169"]
[EventDate "2010.04.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 e6 4. Nf3 Nc6 5. a3 Be7 6. c4 b6 7. Nc3 0-0 8. Rc1 Bd7 9. Nb5 Ne8 10. cxd5 exd5 11. Bd3 a6 12. Nc3 Nd6 13. Nxd5 Ne8 14. Bb1 Be6 15. Nxc7 Nxc7 16. Rxc6 Nd5 17. Bg3 Bd7 18. Rc1 Bg4 19. Qd3 f5 20. Ne5 Bh5 21. Ba2 Kh8 22. 0-0 Nf6 23. Qxf5 Qe8 24. Qd3 Ng8 25. Rc3 Nh6 26. Rfc1 Nf7 27. Bb1 g6 28. Rc6 Nd8 29. Rxb6 Bf6 30. Qe4 Ra7 31. Ba2 Re7 32. Rxf6 Rxf6 33. Bh4 Kg7 34. g4 Bxg4 35. Qxg4 Rb7 36. Bxf6+ Kxf6 37. Qh4+ Kg7 38. Ng4 Kh8 39. Nf6 Qe7 40. b4 Rb6 41. Bb1 Rxf6 42. Bd3 Kg7 43. Bxa6 Nf7 44. Bd3 Qd7 45. Qg3 Qa4 46. Rc3 Qd1+ 47. Kg2 Qa1 48. Qc7 Qe1 49. Rc2 Qd1 50. Be4 Qg4+ 51. Kf1 Qxe4 52. a4 Qh1+ 53. Ke2 Qg1 54. Kd3 Qd1+ 55. Kc3 Qa1+ 56. Kb3 Qf1 57. Qg3 Qd3+ 58. Kb2 Qa6 59. a5 Qb5 60. Kb3 Qd3+ 61. Kb2 Qb5 62. Kb3 Ra6 63. Qc7 Qd3+ 64. Ka4 Qf1 65. Qc3 Ra8 66. b5 Qh3 67. b6 Qd7+ 68. Qc6 Qf5 69. Rc5 Qxf2 70. Qxa8 Qxe3 71. Qd5 Qe8+ 72. Rc6 Nd8 73. Kb5 Nxc6 74. Qxc6 Qe2+ 75. Qc4 Qe8+ 76. Ka6 Qa8+ 77. Kb5 Qe8+ 78. Qc6 Qe2+ 79. Kc5 Qc2+ 80. Kd5 Qa2+ 81. Qc4 Qxa5+ 82. Kc6 Qa8+ 83. b7 Qe8+ 84. Kb6 Qd8+ 85. Qc7+ 1-0

[Event "Berlin qualification op"]
[Site "Berlin"]
[Date "2010.04.10"]
[Round "8"]
[White "Schwarzkopf, Burkhard"]
[Black "Mahler, Sonja"]
[Result "0-1"]
[ECO "D31"]
[WhiteElo "786"]
[BlackElo "1596"]
[PlyCount "50"]
[EventDate "2010.04.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 h6 4. cxd5 exd5 5. Nf3 c6 6. e3 Nf6 7. h3 Be7 8. Bd3 0-0 9. 0-0 Re8 10. Re1 a6 11. e4 dxe4 12. Nxe4 Nd5 13. Bd2 Qb6 14. a3 Nd7 15. Rc1 Nf8 16. Nc5 Be6 17. Na4 Qc7 18. Ne5 Rad8 19. Qf3 Nf6 20. Bc3 Nd5 21. b4 Nxc3 22. Rxc3 Rxd4 23. Re4 Red8 24. Nb2 Bd5 25. g3 Rxe4 0-1

[Event "Berlin qualification op"]
[Site "Berlin"]
[Date "2010.04.09"]
[Round "7"]
[White "Mahler, Sonja"]
[Black "Leyrer, Thomas"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1596"]
[BlackElo "839"]
[PlyCount "86"]
[EventDate "2010.04.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 Bf5 4. Nf3 h6 5. c4 c6 6. Be2 e6 7. a3 Bd6 8. Bg3 Bxg3 9. hxg3 Nbd7 10. Nc3 Qa5 11. b4 Qc7 12. Rc1 Qd6 13. Rh4 0-0 14. Nh2 Ne4 15. g4 Nxc3 16. Rxc3 Be4 17. Kd2 b6 18. Qh1 Qe7 19. Nf3 Bxf3 20. gxf3 c5 21. dxc5 bxc5 22. b5 dxc4 23. Rxc4 Nb6 24. Re4 Rad8+ 25. Ke1 Rc8 26. g5 f5 27. Re5 Qxg5 28. Rxe6 Rf6 29. Re5 c4 30. Rd4 Qg6 31. Re7 Rf7 32. Re5 f4 33. exf4 Rd7 34. f5 Qf6 35. Rde4 Qg5 36. f4 Qf6 37. Bh5 Rdd8 38. Bg6 c3 39. Re8+ Rxe8 40. Rxe8+ Rxe8+ 41. Bxe8 Qe7+ 42. Kd1 Qd6+ 43. Kc2 Qd2+ 0-1

[Event "Berlin qualification op"]
[Site "Berlin"]
[Date "2010.04.08"]
[Round "6"]
[White "Mahler, Sonja"]
[Black "Westphal, Julian"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "1596"]
[BlackElo "1023"]
[PlyCount "78"]
[EventDate "2010.04.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 g6 3. e3 Bg7 4. Nf3 d6 5. Bg3 0-0 6. c4 Bf5 7. Qb3 b6 8. Be2 Nbd7 9. Nc3 c5 10. Rd1 Re8 11. a3 Ne4 12. Bh4 Ndf6 13. Nb5 Bd7 14. Ng1 a6 15. Nc3 Nxc3 16. Qxc3 b5 17. dxc5 Ne4 18. Qb3 Nxc5 19. Qa2 Be6 20. Nf3 Na4 21. Ng5 Qd7 22. 0-0 Nxb2 23. Nxe6 Qxe6 24. Rc1 Rac8 25. h3 Nxc4 26. Bg4 f5 27. Bf3 Qf7 28. Rcd1 e6 29. Bb7 Qxb7 30. Rb1 Qe4 31. Bg5 Qb7 32. Rfd1 Rc6 33. Bf4 Be5 34. Bg5 Nb6 35. Qb3 Rc3 36. Qb4 Nd5 37. Qa5 Qc6 38. Bh6 Rc2 39. a4 Bc3 0-1

[Event "Berlin qualification op"]
[Site "Berlin"]
[Date "2010.04.07"]
[Round "5"]
[White "Schwedek, Tony"]
[Black "Mahler, Sonja"]
[Result "1-0"]
[ECO "D37"]
[WhiteElo "1175"]
[BlackElo "1596"]
[PlyCount "55"]
[EventDate "2010.04.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 h6 4. Nf3 Nf6 5. Bf4 Be7 6. cxd5 exd5 7. e3 c6 8. Bd3 a5 9. 0-0 Na6 10. a3 Nc7 11. Qc2 Bg4 12. Ne5 Bh5 13. h3 Qc8 14. Bf5 Ne6 15. f3 g5 16. Bh2 Rg8 17. g4 Bg6 18. Nxg6 fxg6 19. Bxg6+ Kf8 20. Bf5 Qd7 21. Be5 Re8 22. Qh2 Kf7 23. h4 Qd8 24. h5 Ng7 25. Bg6+ Kf8 26. f4 Qc8 27. fxg5 Qxg4+ 28. Qg2 1-0

[Event "Berlin qualification op"]
[Site "Berlin"]
[Date "2010.04.06"]
[Round "4"]
[White "Mahler, Sonja"]
[Black "Ermann, Georg"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1596"]
[BlackElo "1744"]
[PlyCount "108"]
[EventDate "2010.04.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 Bf5 4. Nf3 h6 5. c4 e6 6. a3 Nbd7 7. Nc3 c6 8. c5 Be7 9. Na2 0-0 10. Qb3 Qc8 11. Be2 b6 12. Nb4 b5 13. Nxc6 Qxc6 14. Bxb5 Qc8 15. Qa4 a6 16. Bc6 Ra7 17. Rc1 Nh5 18. Bg3 Nxg3 19. hxg3 f6 20. b4 Nb8 21. Bb5 Qc7 22. Be2 Nc6 23. Nh4 Be4 24. Bg4 Nd8 25. Kd2 Bh7 26. Be2 Nc6 27. Qb3 Rd8 28. Bg4 f5 29. Bf3 Bg5 30. Bd1 e5 31. f4 Bxh4 32. Rxh4 exd4 33. Bc2 dxe3+ 34. Ke1 Nd4 35. Qd3 Nxc2+ 36. Rxc2 Qc6 37. Re2 Re7 38. Rh5 Bg6 39. Rh4 d4 40. Qc4+ Bf7 41. Qd3 Qg6 42. Rh3 Ree8 43. Rc2 Qc6 44. Rb2 Rb8 45. Rh4 Qe6 46. Rc2 Rbc8 47. Kd1 Red8 48. a4 Be8 49. Qa3 d3 50. Ra2 Qe4 51. Rh1 Bf7 52. Rb2 e2+ 53. Kd2 Qxg2 54. Re1 Qxg3 0-1

[Event "Berlin qualification op"]
[Site "Berlin"]
[Date "2010.04.05"]
[Round "3"]
[White "Duric, Rajko"]
[Black "Mahler, Sonja"]
[Result "1/2-1/2"]
[ECO "C44"]
[WhiteElo "1830"]
[BlackElo "1596"]
[PlyCount "91"]
[EventDate "2010.04.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. c3 Nf6 4. d3 h6 5. h3 d6 6. Be2 Bd7 7. 0-0 Be7 8. Be3 Nh7 9. Nh2 Bg5 10. Qc1 Ne7 11. f4 exf4 12. Bxf4 Ng6 13. Bxg5 hxg5 14. Bg4 Nf4 15. Bxd7+ Qxd7 16. Qe3 Nf6 17. Rxf4 gxf4 18. Qxf4 Qb5 19. Qd2 Kd7 20. Na3 Qc5+ 21. Qf2 Qc6 22. Nc4 Ke7 23. e5 Nh5 24. exd6+ cxd6 25. Re1+ Kf8 26. Qd4 Rh6 27. Ng4 Rg6 28. Qf2 b6 29. Qh4 Qd5 30. Qe7+ Kg8 31. Qe4 Qc5+ 32. Nce3 Rd8 33. d4 Qg5 34. Nf5 Re6 35. Qb1 Rxe1+ 36. Qxe1 Qxf5 37. Qe7 Qc8 38. Qg5 g6 39. Nh6+ Kg7 40. g4 Nf6 41. Nf5+ Kf8 42. Qh6+ Ke8 43. Qe3+ Kf8 44. Qh6+ Ke8 45. Qe3+ Kf8 46. Qh6+ 1/2-1/2

[Event "Berlin qualification op"]
[Site "Berlin"]
[Date "2010.04.04"]
[Round "2"]
[White "Sandbrand, Alexandru"]
[Black "Mahler, Sonja"]
[Result "0-1"]
[ECO "C60"]
[BlackElo "1596"]
[PlyCount "40"]
[EventDate "2010.04.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nge7 4. 0-0 a6 5. Ba4 b5 6. Bb3 h6 7. d4 exd4 8. Nxd4 Ne5 9. Bf4 N5g6 10. Nc3 Nxf4 11. Qf3 Neg6 12. Nd5 Bd6 13. Rfe1 Qg5 14. g3 Nh4 15. Nxf4 Nxf3+ 16. Kf1 Nxd4 17. Nd5 Qg4 18. e5 Qh3+ 19. Kg1 Nf3+ 20. Kh1 Qxh2# 0-1

[Event "Berlin qualification op"]
[Site "Berlin"]
[Date "2010.04.03"]
[Round "1"]
[White "Mahler, Sonja"]
[Black "Paris, Grigori"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1596"]
[BlackElo "1950"]
[PlyCount "80"]
[EventDate "2010.04.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 e6 3. Nf3 Nf6 4. a3 Be7 5. e3 Nbd7 6. c4 c6 7. b4 a5 8. b5 cxb5 9. c5 a4 10. Bd3 0-0 11. Kf1 Nb8 12. Nc3 Bd7 13. Rb1 b6 14. Bxb5 bxc5 15. Ne5 Qa5 16. Nxd7 Nbxd7 17. Nxa4 c4 18. Bc6 Ra7 19. Qc2 Ne4 20. Kg1 Nd2 21. Rb5 Qxa4 22. Qxd2 Qxa3 23. h3 Nf6 24. Bb8 Ra4 25. Rb7 Rb4 26. Ra7 Qb2 27. Qxb2 Rxb2 28. Be5 Bb4 29. Rb7 Ba3 30. Ra7 Rb1+ 31. Kh2 Rxh1+ 32. Kxh1 Bb2 33. Rb7 c3 34. Ba4 Ne4 35. Kg1 Ra8 36. Bc2 f6 37. Bg3 Ra1+ 38. Kh2 Rc1 39. Bd3 c2 40. Rxb2 Rh1+ 0-1

[Event "Berlin Hellersdorf op"]
[Site "Berlin"]
[Date "2010.01.08"]
[Round "1"]
[White "Buchallik, Jakob"]
[Black "Mahler, Sonja"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "1072"]
[BlackElo "1425"]
[PlyCount "97"]
[EventDate "2010.01.08"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 h6 4. d4 exd4 5. Nxd4 Ne5 6. Bb3 Bc5 7. Be3 Nf6 8. Nc3 Bb4 9. f3 d6 10. 0-0 Bd7 11. Kh1 a6 12. a3 Ba5 13. Qe2 Qc8 14. Qf2 c5 15. Nde2 b5 16. Bd5 Rb8 17. b4 Bb6 18. Rfd1 0-0 19. Na2 Re8 20. Kg1 Re7 21. Ng3 Nxd5 22. Rxd5 Nc4 23. Nc1 Re5 24. Rxe5 Nxe5 25. Nb3 Nc4 26. bxc5 Ba7 27. Kh1 Nxe3 28. Qxe3 dxc5 29. Ne2 Qc7 30. Rb1 Re8 31. h3 Bb8 32. Qg1 Re5 33. Rd1 Bc8 34. c3 Rg5 35. f4 Rg6 36. Qxc5 Qb7 37. Rd8+ Kh7 38. Qf8 Rxg2 39. Kxg2 Qxe4+ 40. Kf2 Ba7+ 41. Nbd4 Bxh3 42. Qg8+ Kg6 43. Rd6+ f6 44. Ke1 Bxd4 45. Rxd4 Qb1+ 46. Rd1 Qe4 47. Qa2 Be6 48. Qb1 Bf5 49. Qxe4 1-0

[Event "Berlin Eckbauer op 12th"]
[Site "Berlin"]
[Date "2009.11.03"]
[Round "7.31"]
[White "Lakowitz, Detlef"]
[Black "Mahler, Sonja"]
[Result "0-1"]
[ECO "C25"]
[BlackElo "1576"]
[PlyCount "70"]
[EventDate "2009.09.14"]
[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 c6 3. Bc4 Bc5 4. Bxf7+ Kxf7 5. Nf3 d6 6. 0-0 Nf6 7. d3 h6 8. Na4 Bb4 9. Bd2 a5 10. c3 Na6 11. Qb3+ Be6 12. Qd1 Bc5 13. Nh4 Ba7 14. Nf5 b5 15. Kh1 Rc8 16. f4 bxa4 17. Qf3 Bxf5 18. exf5 Rf8 19. fxe5 dxe5 20. Be3 Bb8 21. Rad1 Qc7 22. Qg3 Ke7 23. d4 Qb7 24. Rb1 exd4 25. Qxg7+ Rf7 26. Qg4 c5 27. Qf3 Qd7 28. cxd4 cxd4 29. Bf4 Ba7 30. Rbc1 Nc5 31. Rfe1+ Kd8 32. Rxc5 Bxc5 33. Re6 h5 34. Rxf6 Rxf6 35. Qxh5 d3 0-1

[Event "Berlin Eckbauer op 12th"]
[Site "Berlin"]
[Date "2009.10.26"]
[Round "6.28"]
[White "Hall, Oliver"]
[Black "Mahler, Sonja"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "1606"]
[BlackElo "1576"]
[PlyCount "103"]
[EventDate "2009.09.14"]
[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. Nf3 d6 3. d4 exd4 4. Nxd4 h6 5. Nc3 c6 6. Be2 Nf6 7. 0-0 Bd7 8. Be3 b5 9. a3 a5 10. Nf3 Qc7 11. Qd4 Na6 12. e5 dxe5 13. Qxe5+ Be7 14. Qxc7 Nxc7 15. Ne5 0-0 16. Nxd7 Nxd7 17. Rfd1 Nf6 18. Bf3 Ra6 19. Rd2 b4 20. Ne4 bxa3 21. bxa3 Nxe4 22. Bxe4 Nb5 23. a4 Nc3 24. Bd3 Raa8 25. Bd4 Bb4 26. Rc1 Nxa4 27. c3 Be7 28. Re2 Bd8 29. Be4 Rc8 30. Ra1 c5 31. Be5 Nb6 32. Bd6 Nc4 33. Bxf8 Kxf8 34. Bd3 Nd6 35. Bc2 Ra8 36. Ba4 Bf6 37. Rd1 Nf5 38. Rd5 Ne7 39. Rxc5 Rb8 40. g3 Ra8 41. Rd2 Ng6 42. Re2 Be7 43. Rb5 Kg8 44. Bc2 Bf6 45. Be4 Ra7 46. Rb8+ Kh7 47. Bc2 h5 48. Ree8 Kh6 49. Bxg6 Kxg6 50. c4 a4 51. Ra8 Bd4 52. Rxa7 1-0

[Event "Berlin Eckbauer op 12th"]
[Site "Berlin"]
[Date "2009.10.05"]
[Round "4.31"]
[White "Mahler, Sonja"]
[Black "Meinicke, Kurt"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1576"]
[PlyCount "89"]
[EventDate "2009.09.14"]
[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 d5 2. Bf4 Nf6 3. e3 c6 4. a3 a5 5. c4 e6 6. Nf3 Be7 7. Bd3 dxc4 8. Bxc4 b5 9. Ba2 Bb7 10. Nbd2 Nbd7 11. Qc2 Rc8 12. Rd1 0-0 13. Bb1 g6 14. h4 c5 15. Qd3 Bxf3 16. Nxf3 c4 17. Qc2 b4 18. axb4 axb4 19. Bh6 b3 20. Qc1 Qa5+ 21. Kf1 Rfd8 22. e4 Ng4 23. e5 Qb5 24. Qf4 Nxh6 25. Qxh6 Bf8 26. Qg5 f6 27. Qg3 fxe5 28. h5 Bg7 29. Ng5 Nf6 30. h6 c3+ 31. Bd3 c2 32. Rc1 Rxd4 33. Rh3 Bxh6 34. Kg1 Rxd3 35. Qh4 Rd1+ 36. Kh2 Bxg5 37. Qxg5 Rf8 38. Rh6 Qf1 39. Rxg6+ hxg6 40. Qxg6+ Kh8 41. Qh6+ Kg8 42. Qg6+ Kh8 43. Qh6+ Nh7 44. Qxe6 Qh1+ 45. Kg3 0-1

[Event "Berlin Eckbauer op 12th"]
[Site "Berlin"]
[Date "2009.09.28"]
[Round "3.29"]
[White "Huth, Michael"]
[Black "Mahler, Sonja"]
[Result "1-0"]
[ECO "C55"]
[WhiteElo "1322"]
[BlackElo "1576"]
[PlyCount "71"]
[EventDate "2009.09.14"]
[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. Nf3 Nc6 3. Bc4 h6 4. 0-0 Nf6 5. Nc3 Bc5 6. Re1 Ng4 7. Re2 0-0 8. h3 Nf6 9. d3 d6 10. Na4 Bb4 11. c3 Ba5 12. b4 Bb6 13. Nxb6 axb6 14. b5 Na7 15. a4 Bd7 16. d4 Nxb5 17. Bb2 Na7 18. dxe5 Nh5 19. exd6 c6 20. e5 Qc8 21. Qb3 Nf4 22. Re4 Ne6 23. Qxb6 Kh8 24. Qe3 Qd8 25. Bd3 c5 26. Rh4 f5 27. exf6 Rxf6 28. c4 Qf8 29. Bxf6 Qxf6 30. Re1 Nc6 31. Qe4 Nf8 32. Rf4 Re8 33. Rxf6 gxf6 34. Qxe8 Bxe8 35. Rxe8 Kg7 36. d7 1-0

[Event "Berlin Eckbauer op 12th"]
[Site "Berlin"]
[Date "2009.09.14"]
[Round "1.14"]
[White "Mahler, Sonja"]
[Black "Korell, Klaus Peter"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1576"]
[BlackElo "2008"]
[PlyCount "62"]
[EventDate "2009.09.14"]
[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 e6 3. e3 d5 4. a3 Bd6 5. Bg5 0-0 6. b4 e5 7. c4 c6 8. cxd5 cxd5 9. Nc3 Be6 10. Nb5 Bf5 11. Nc3 Bc7 12. Bxf6 gxf6 13. Rc1 exd4 14. Nxd5 Qxd5 15. Rxc7 Nc6 16. Rxb7 d3 17. Nf3 Ne5 18. Rc7 Nc4 19. Nd4 d2+ 20. Ke2 Bd3+ 21. Kxd3 Nb2+ 22. Kxd2 Nxd1 23. Kxd1 Rfc8 24. Bc4 Qxg2 25. Bxf7+ Kh8 26. Rxc8+ Rxc8 27. Re1 Qxf2 28. Re2 Qg1+ 29. Re1 Rc1+ 30. Kxc1 Qxe1+ 31. Kc2 Qxe3 0-1

[Event "Teplice op 4th"]
[Site "Teplice"]
[Date "2009.06.16"]
[Round "4"]
[White "Ksana, Vaclav"]
[Black "Mahler, Sonja"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2079"]
[BlackElo "1563"]
[PlyCount "67"]
[EventDate "2009.06.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 130 Extra"]
[Source "ChessBase"]
[SourceDate "2009.07.02"]
[SourceVersion "2"]
[SourceVersionDate "2009.07.15"]
[SourceQuality "1"]

1. e4 d6 2. f4 e6 3. Nf3 Be7 4. d4 Nd7 5. c4 a6 6. Nc3 b6 7. Bd3 Bh4+ 8. g3 Be7 9. Be3 Bb7 10. d5 e5 11. 0-0 Ngf6 12. Qe2 h5 13. Bd2 Ng4 14. h3 Nh6 15. f5 Bc8 16. Kg2 Nf8 17. Qf2 Nh7 18. Be2 Qd7 19. b4 g6 20. Bxh6 gxf5 21. Ng1 f4 22. gxf4 Rg8+ 23. Kf3 h4 24. Ke3 Rg3+ 25. Kd2 Nf6 26. Bd3 b5 27. fxe5 dxe5 28. c5 c6 29. Kc2 a5 30. a3 Qd8 31. Be3 a4 32. d6 Rxe3 33. Qxe3 Bf8 34. Qg5 1-0

[Event "Teplice op 4th"]
[Site "Teplice"]
[Date "2009.06.15"]
[Round "3"]
[White "Mahler, Sonja"]
[Black "Kastl, Daniel"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1563"]
[PlyCount "37"]
[EventDate "2009.06.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 130 Extra"]
[Source "ChessBase"]
[SourceDate "2009.07.02"]
[SourceVersion "2"]
[SourceVersionDate "2009.07.15"]
[SourceQuality "1"]

1. d4 e6 2. Bf4 d5 3. e3 Nf6 4. Nf3 Nc6 5. a3 Be7 6. c4 0-0 7. Nc3 b6 8. b4 a6 9. Rc1 Bd7 10. Bd3 h6 11. Qb3 dxc4 12. Qxc4 b5 13. Qb3 Bd6 14. Bg3 g5 15. Bb1 Qe7 16. Qc2 Rad8 17. Rd1 Nb8 18. Ne5 Nc6 19. Ng4 1-0

[Event "Teplice op 4th"]
[Site "Teplice"]
[Date "2009.06.14"]
[Round "2"]
[White "Macek, Kamil"]
[Black "Mahler, Sonja"]
[Result "1-0"]
[ECO "C60"]
[WhiteElo "1948"]
[BlackElo "1563"]
[PlyCount "41"]
[EventDate "2009.06.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 130 Extra"]
[Source "ChessBase"]
[SourceDate "2009.07.02"]
[SourceVersion "2"]
[SourceVersionDate "2009.07.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nge7 4. 0-0 a6 5. Ba4 b5 6. Bb3 Ng6 7. d4 exd4 8. Nxd4 Na7 9. Nxb5 Bb7 10. Nxa7 Rxa7 11. Nc3 Bd6 12. Qd4 Ne5 13. f4 Qe7 14. Kh1 c5 15. Qe3 Ng6 16. e5 Bc7 17. Bd5 Bc8 18. Ne4 Kd8 19. Qxc5 Qh4 20. Qxa7 Nxe5 21. Qf2 1-0

[Event "Teplice op 4th"]
[Site "Teplice"]
[Date "2009.06.13"]
[Round "1"]
[White "Mahler, Sonja"]
[Black "Vondra, Zbynek"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1563"]
[BlackElo "2155"]
[PlyCount "52"]
[EventDate "2009.06.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 130 Extra"]
[Source "ChessBase"]
[SourceDate "2009.07.02"]
[SourceVersion "2"]
[SourceVersionDate "2009.07.15"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 c6 3. e3 Nf6 4. Nf3 Bg4 5. Be2 Nbd7 6. a3 Nh5 7. Bg5 h6 8. Bh4 g5 9. Bg3 Bg7 10. Qd3 Qb6 11. b4 Nxg3 12. hxg3 e6 13. Nc3 a5 14. Na4 Qc7 15. Kd2 e5 16. Qc3 0-0 17. Nh2 Bxe2 18. Kxe2 exd4 19. exd4 Rfe8+ 20. Kd1 Re4 21. Qf3 Rxd4+ 22. Kc1 axb4 23. Ng4 Rxg4 24. Qxg4 Bxa1 25. Rxh6 Bg7 26. Rh5 Nf6 0-1

[Event "Berlin Eckbauer op 11th"]
[Site "Berlin"]
[Date "2008.10.13"]
[Round "6.25"]
[White "Baeten, Herman"]
[Black "Mahler, Sonja"]
[Result "1-0"]
[ECO "D37"]
[WhiteElo "1558"]
[BlackElo "1496"]
[PlyCount "43"]
[EventDate "2008.09.08"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 h6 3. c4 e6 4. Nc3 Nf6 5. e3 Be7 6. Bd3 b6 7. 0-0 Bb7 8. b3 Ne4 9. Bb2 Nd7 10. cxd5 exd5 11. Qc2 Ndf6 12. Rac1 Rc8 13. Nd2 Ng5 14. Bf5 Ra8 15. f4 Ngh7 16. Nf3 Bc8 17. Ne5 c5 18. Nc6 Qc7 19. Nxe7 Qxe7 20. Bxh7 Nxh7 21. Nxd5 Qe6 22. Nc7+ 1-0

[Event "Berlin Eckbauer op 11th"]
[Site "Berlin"]
[Date "2008.10.06"]
[Round "5.28"]
[White "Mahler, Sonja"]
[Black "Hall, Oliver"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1496"]
[BlackElo "1509"]
[PlyCount "39"]
[EventDate "2008.09.08"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 e6 3. e3 d5 4. a3 c5 5. Nf3 Nc6 6. c3 Qb6 7. Qc2 h6 8. Nbd2 c4 9. Be2 Bd7 10. Rb1 Na5 11. Ne5 Bd6 12. b4 Nc6 13. Ndxc4 dxc4 14. Nxc4 Qd8 15. Nxd6+ Kf8 16. Nxb7 Qb6 17. Nd6 Nd5 18. Bg3 Nce7 19. Bf3 Rd8 20. c4 1-0

[Event "Berlin Eckbauer op 11th"]
[Site "Berlin"]
[Date "2008.09.29"]
[Round "4.25"]
[White "Sauro, Marco"]
[Black "Mahler, Sonja"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "1547"]
[BlackElo "1496"]
[PlyCount "75"]
[EventDate "2008.09.08"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 d6 2. d4 e6 3. Nf3 h6 4. Bd3 Be7 5. e5 Bd7 6. 0-0 Bc6 7. c4 g5 8. exd6 cxd6 9. Nc3 Nf6 10. Nd2 Qb6 11. Ne2 Na6 12. a3 Nc7 13. b4 a6 14. Bb2 d5 15. c5 Qa7 16. a4 Qb8 17. Ng3 h5 18. Be2 Kd7 19. Nxh5 Qf8 20. Nxf6+ Bxf6 21. Nf3 Qh6 22. Bc1 Rag8 23. h3 Qg7 24. Nh2 Bxd4 25. Rb1 f5 26. b5 g4 27. bxc6+ bxc6 28. Nxg4 fxg4 29. Bxg4 Bxc5 30. Bb2 d4 31. Rc1 Ba7 32. Qc2 c5 33. Bxd4 Qg5 34. Bxh8 Rxh8 35. Qd3+ Ke7 36. Rcd1 Kf6 37. Qc3+ Kg6 38. Qxh8 1-0

[Event "Berlin Eckbauer op 11th"]
[Site "Berlin"]
[Date "2008.09.22"]
[Round "3.18"]
[White "Mahler, Sonja"]
[Black "Vollbrecht, Lars"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1496"]
[BlackElo "1728"]
[PlyCount "71"]
[EventDate "2008.09.08"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 Bf5 4. Nf3 h6 5. a3 e6 6. c4 dxc4 7. Bxc4 c6 8. Nc3 Nbd7 9. Rc1 Nb6 10. Ba2 Nbd5 11. Bg3 Nxc3 12. Rxc3 Ne4 13. Rc1 Nxg3 14. hxg3 Be7 15. Ne5 Bf6 16. Nf3 Qc7 17. Nh4 Bh7 18. Qh5 g5 19. Nf3 Bg6 20. Qh2 Qa5+ 21. Nd2 Be7 22. Ke2 Rd8 23. Rc3 Qb5+ 24. Nc4 c5 25. Rd1 Bf6 26. g4 Kf8 27. Ke1 cxd4 28. exd4 Kg7 29. b4 Bxd4 30. Rcc1 Bf6 31. Nd6 Qb6 32. Nc4 Rxd1+ 33. Rxd1 Qc6 34. Rd6 Qe4+ 35. Ne3 Be5 36. Bb1 0-1

[Event "Berlin Eckbauer op 11th"]
[Site "Berlin"]
[Date "2008.09.08"]
[Round "1.27"]
[White "Kampf, Guenther"]
[Black "Mahler, Sonja"]
[Result "1-0"]
[ECO "D30"]
[WhiteElo "2037"]
[BlackElo "1496"]
[PlyCount "71"]
[EventDate "2008.09.08"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 h6 4. g3 Nf6 5. Bg2 c6 6. Nbd2 Bd6 7. b3 Nbd7 8. Bb2 0-0 9. 0-0 Re8 10. Ne5 Bxe5 11. dxe5 Ng4 12. Nf3 Qc7 13. Qd4 h5 14. h3 Nh6 15. Qh4 g6 16. Qg5 Kg7 17. cxd5 cxd5 18. Rfc1 Qa5 19. Nd4 Ng8 20. Bc3 Qb6 21. e4 Kh7 22. exd5 exd5 23. Re1 Qc5 24. Bb2 Qa5 25. Re3 Nf8 26. Bc3 Qc5 27. b4 Qc4 28. Bf1 Qc7 29. Nb5 Qc6 30. Nd6 Re6 31. Nxf7 Bd7 32. Qh4 Ree8 33. Ng5+ Kh6 34. Qf4 Bc8 35. e6 Bxe6 36. Nxe6+ 1-0

[Event "Berlin Lichtenberger op 7th"]
[Site "Berlin"]
[Date "2008.08.24"]
[Round "9"]
[White "Mahler, Sonja"]
[Black "Wege, Hermann"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1496"]
[BlackElo "1980"]
[PlyCount "79"]
[EventDate "2008.08.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 126 Extra"]
[Source "ChessBase"]
[SourceDate "2008.11.05"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.05"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 a6 4. Nf3 Bg4 5. a3 Nbd7 6. c4 c6 7. Bd3 Nh5 8. Bg5 h6 9. Bh4 g5 10. Bg3 Nxg3 11. hxg3 Bg7 12. Qc2 Nf6 13. Nfd2 Qd6 14. Nf1 e5 15. f3 Be6 16. dxe5 Qxe5 17. Nbd2 0-0 18. f4 Qc7 19. fxg5 Ne4 20. Nxe4 dxe4 21. Bxe4 Qa5+ 22. b4 Qxg5 23. Rc1 Rfe8 24. Kf2 Qf6+ 25. Ke1 Qg5 26. Kf2 Rac8 27. c5 Qe5 28. Nd2 Bd5 29. Rh4 Qe7 30. Re1 Qe6 31. Rf4 Bf6 32. Bf5 Qe5 33. Bxc8 Rxc8 34. Rg4+ Bg5 35. Ne4 Qf5+ 36. Rf4 Bxf4 37. exf4 Kg7 38. Qe2 Re8 39. Qb2+ Kg6 40. Nd6 1-0

[Event "Berlin Lichtenberger op 7th"]
[Site "Berlin"]
[Date "2008.08.23"]
[Round "8"]
[White "Thonig, Manfred"]
[Black "Mahler, Sonja"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1728"]
[BlackElo "1496"]
[PlyCount "98"]
[EventDate "2008.08.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 126 Extra"]
[Source "ChessBase"]
[SourceDate "2008.11.05"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.05"]
[SourceQuality "1"]

1. f4 d5 2. Nf3 Nf6 3. e3 e6 4. d4 Be7 5. Bb5+ c6 6. Bd3 0-0 7. 0-0 c5 8. c4 Nc6 9. a3 Qc7 10. b3 Rd8 11. Bb2 Ng4 12. Qe1 Qb6 13. Nbd2 dxc4 14. Bxc4 cxd4 15. exd4 Bf6 16. h3 Nh6 17. g4 Nxd4 18. Nxd4 Bxd4+ 19. Bxd4 Qxd4+ 20. Rf2 Bd7 21. Rd1 Bc6 22. Qe5 Qd7 23. a4 a6 24. Be2 Qe7 25. g5 Rd5 26. Qb2 Nf5 27. Qc3 Rad8 28. Rh2 Nd4 29. Bg4 Qd6 30. Rf2 Qa3 31. h4 Bxa4 32. h5 Bb5 33. h6 Kh8 34. Kh2 Rc5 35. Qe3 Nc2 36. Qe4 Bc6 37. Qe2 Nd4 38. Qf1 Qa5 39. Nc4 Qc7 40. Kh3 Bb5 41. Be2 Nxb3 42. Rxd8+ Qxd8 43. Rf3 Bxc4 44. Bxc4 Nd4 45. Rc3 b5 46. Ra3 Rxc4 47. Rxa6 Rc3+ 48. Kg4 Nf5 49. Qg1 Qd1+ 0-1

[Event "Berlin Lichtenberger op 7th"]
[Site "Berlin"]
[Date "2008.08.22"]
[Round "7"]
[White "Kitzler, Gerhard"]
[Black "Mahler, Sonja"]
[Result "0-1"]
[ECO "C30"]
[WhiteElo "1059"]
[BlackElo "1496"]
[PlyCount "72"]
[EventDate "2008.08.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 126 Extra"]
[Source "ChessBase"]
[SourceDate "2008.11.05"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.05"]
[SourceQuality "1"]

1. e4 e5 2. f4 d6 3. f5 Qh4+ 4. Ke2 Qxe4+ 5. Kf2 Qxf5+ 6. Qf3 Qxc2 7. Na3 Qa4 8. Bb5+ Qxb5 9. Nxb5 Na6 10. Ne2 Nf6 11. h3 c6 12. Nbc3 d5 13. Rf1 Bd6 14. d4 e4 15. Qe3 h6 16. a3 b5 17. b4 g5 18. Kg1 Nh7 19. Nxe4 Be7 20. Nd6+ Kd7 21. Nxf7 Re8 22. Qg3 Nf8 23. Ne5+ Kc7 24. Rf7 Kb6 25. Bb2 Be6 26. Rf2 Rad8 27. Qc3 Nb8 28. a4 Rc8 29. axb5 Kb7 30. Qa3 Rc7 31. Qxa7+ Kc8 32. Qa8 cxb5 33. Nd3 Nfd7 34. Nc5 Nb6 35. Qa5 Rc6 36. Qxb5 Bd8 0-1

[Event "Berlin Lichtenberger op 7th"]
[Site "Berlin"]
[Date "2008.08.21"]
[Round "6"]
[White "Mahler, Sonja"]
[Black "Liem Thanh, Gabriel"]
[Result "0-1"]
[ECO "A46"]
[WhiteElo "1496"]
[BlackElo "1250"]
[PlyCount "62"]
[EventDate "2008.08.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 126 Extra"]
[Source "ChessBase"]
[SourceDate "2008.11.05"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.05"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 e6 3. Nf3 Nc6 4. a3 Be7 5. e3 0-0 6. c4 d5 7. Nc3 Bd7 8. Qc2 Bd6 9. Bg5 dxc4 10. Bxc4 e5 11. dxe5 Nxe5 12. Nxe5 Bxe5 13. Ne4 Bf5 14. Bd3 Bxe4 15. Bxe4 h6 16. Rd1 Qe7 17. Bh4 Rfd8 18. Rc1 Qd6 19. Bf3 Qa6 20. Be2 Qa5+ 21. Kf1 Rd2 22. Qf5 Rd5 23. Bc4 Qd2 24. Re1 Qxe1+ 25. Kxe1 Bc3+ 26. bxc3 Rxf5 27. Kd2 Ne4+ 28. Kc2 Rc5 29. Kd3 g5 30. Bg3 Nxg3 31. hxg3 Rd8+ 0-1

[Event "Berlin Lichtenberger op 7th"]
[Site "Berlin"]
[Date "2008.08.20"]
[Round "5"]
[White "Nekrasova, Kateryna"]
[Black "Mahler, Sonja"]
[Result "1-0"]
[ECO "C60"]
[WhiteElo "1788"]
[BlackElo "1496"]
[PlyCount "85"]
[EventDate "2008.08.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 126 Extra"]
[Source "ChessBase"]
[SourceDate "2008.11.05"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.05"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nge7 4. d4 exd4 5. Nxd4 Ne5 6. f4 N5g6 7. 0-0 c6 8. Be2 Qb6 9. Kh1 d5 10. Nc3 dxe4 11. Nxe4 c5 12. Bb5+ Nc6 13. Bxc6+ bxc6 14. Nf3 Be7 15. b3 0-0 16. Be3 Bf5 17. Ng3 Rad8 18. Qe2 Bg4 19. h3 Bc8 20. Qf2 Rfe8 21. Rae1 Bd6 22. Ng5 f5 23. Ne2 Ba6 24. c4 Qb4 25. g3 Bc8 26. Qf3 h6 27. h4 hxg5 28. hxg5 Re4 29. Rd1 Kf7 30. Kg2 Rde8 31. Rd3 Qb8 32. Nc3 R4e7 33. Kf2 Rh8 34. Kg2 Rhe8 35. Kf2 Rh8 36. Qxc6 Rh2+ 37. Kg1 Rh1+ 38. Qxh1 Re8 39. Qd5+ Ke7 40. Bxc5 Bxc5+ 41. Qxc5+ Kf7 42. Nb5 Re7 43. Nd6+ 1-0

[Event "Berlin Lichtenberger op 7th"]
[Site "Berlin"]
[Date "2008.08.19"]
[Round "4"]
[White "Mahler, Sonja"]
[Black "Fuchs, Joerg"]
[Result "0-1"]
[ECO "A80"]
[WhiteElo "1496"]
[BlackElo "1914"]
[PlyCount "48"]
[EventDate "2008.08.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 126 Extra"]
[Source "ChessBase"]
[SourceDate "2008.11.05"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.05"]
[SourceQuality "1"]

1. d4 e6 2. Bf4 f5 3. e3 Nf6 4. Bd3 Be7 5. Nd2 0-0 6. c3 d6 7. Rc1 Qe8 8. Qb3 Nc6 9. Bxf5 Qf7 10. Bd3 Nh5 11. Ne2 g5 12. g3 gxf4 13. gxf4 Kh8 14. Ng3 Rg8 15. Ke2 a6 16. Bb1 b5 17. Qc2 Bb7 18. Nf3 Raf8 19. Rcd1 Rg7 20. a3 Na5 21. b4 Nc4 22. a4 Nxf4+ 23. exf4 Qxf4 24. Kf1 Bxf3 0-1

[Event "Berlin Lichtenberger op 7th"]
[Site "Berlin"]
[Date "2008.08.18"]
[Round "3"]
[White "Dreke, Frank"]
[Black "Mahler, Sonja"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "2037"]
[BlackElo "1496"]
[PlyCount "75"]
[EventDate "2008.08.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 126 Extra"]
[Source "ChessBase"]
[SourceDate "2008.11.05"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.05"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Bc5 5. c3 Nf6 6. e5 Ng4 7. 0-0 d3 8. Bxf7+ Kf8 9. b4 Bb6 10. Bg5 Ne7 11. Bb3 h6 12. Bh4 g5 13. h3 gxh4 14. hxg4 d5 15. Nd4 Rg8 16. Qf3+ Ke8 17. e6 Rf8 18. Qxd3 c6 19. Nd2 Bc7 20. N2f3 Qd6 21. Rae1 b6 22. Bc2 a6 23. Nf5 Nxf5 24. gxf5 Ke7 25. Qd4 Rf6 26. Qxh4 Bb7 27. Ne5 Rg8 28. Nf7 Rg4 29. Qxf6+ Kxf6 30. Nxd6 Bxd6 31. Re3 h5 32. Rfe1 Be7 33. Rh3 Rg5 34. f4 Rg4 35. Rxh5 Rxf4 36. Rh6+ Kg5 37. Rg6+ Kh5 38. Rg7 1-0

[Event "Berlin Lichtenberger op 7th"]
[Site "Berlin"]
[Date "2008.08.17"]
[Round "2"]
[White "Mahler, Sonja"]
[Black "Casny, Guenter"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1496"]
[BlackElo "1903"]
[PlyCount "39"]
[EventDate "2008.08.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 126 Extra"]
[Source "ChessBase"]
[SourceDate "2008.11.05"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.05"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 e6 3. Nf3 d5 4. e3 Nbd7 5. Bd3 Be7 6. a3 0-0 7. b4 a5 8. b5 c5 9. a4 c4 10. Be2 Ne4 11. c3 f5 12. h4 Ndf6 13. Ne5 Nd7 14. Nf3 Kh8 15. Qc2 Rg8 16. Nbd2 Ndf6 17. Ne5 Qf8 18. h5 Bd7 19. Ng6+ hxg6 20. hxg6+ 1-0

[Event "Berlin Lichtenberger op 7th"]
[Site "Berlin"]
[Date "2008.08.16"]
[Round "1"]
[White "Oswald, Michael"]
[Black "Mahler, Sonja"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "2123"]
[BlackElo "1496"]
[PlyCount "73"]
[EventDate "2008.08.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 126 Extra"]
[Source "ChessBase"]
[SourceDate "2008.11.05"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.05"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. e3 0-0 7. Qc2 h6 8. Bh4 Re8 9. Bd3 Nc6 10. a3 Ng4 11. Bg3 Bg5 12. Nge2 Bxe3 13. fxe3 Nxe3 14. Qa4 Nxg2+ 15. Kd2 Qg5+ 16. Kc2 Bf5 17. Bxf5 Ne3+ 18. Kb3 Qxf5 19. Ka2 Rac8 20. Bf4 Nc4 21. Raf1 Qh5 22. Ng3 Qh3 23. Nxd5 Nxb2 24. Qc2 Qe6 25. Qxb2 Qxd5+ 26. Ka1 Na5 27. Rhg1 Re6 28. Bd2 Rb6 29. Bb4 Nc4 30. Qc3 a5 31. Bc5 Re6 32. Rf5 Qd8 33. d5 Rg6 34. Qxc4 b6 35. Bd4 Qh4 36. d6 Rxd6 37. Qxf7+ 1-0

[Event "Berlin Unicorn op"]
[Site "Berlin"]
[Date "2008.05.04"]
[Round "7"]
[White "Henning, Hans"]
[Black "Mahler, Sonja"]
[Result "0-1"]
[ECO "C20"]
[BlackElo "1462"]
[PlyCount "110"]
[EventDate "2008.04.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 124 Extra"]
[Source "ChessBase"]
[SourceDate "2008.07.03"]
[SourceVersion "1"]
[SourceVersionDate "2008.07.03"]
[SourceQuality "1"]

1. e4 e5 2. d3 h6 3. Nf3 Nc6 4. c3 Nf6 5. h3 Be7 6. b4 a6 7. Nbd2 b5 8. Bb2 d6 9. a3 Be6 10. Be2 Qc8 11. a4 Na7 12. d4 Nh5 13. dxe5 Nf4 14. Bf1 g5 15. Nd4 Bd7 16. exd6 Bxd6 17. N2f3 g4 18. Nh4 gxh3 19. gxh3 Bxh3 20. Bxh3 Nxh3 21. Ndf5 Rg8 22. Nxd6+ cxd6 23. Nf5 Qe6 24. Qd5 Qxd5 25. exd5 Nf4 26. Kd2 Rg2 27. Rhf1 h5 28. Ne3 Rh2 29. axb5 Nxb5 30. Rac1 a5 31. c4 Nc7 32. b5 a4 33. Ba3 Kd7 34. Rce1 h4 35. Nf5 Ne8 36. Re7+ Kd8 37. Rxf7 Rc8 38. Ne3 Ng6 39. Ke2 Ne5 40. Rf4 Rh3 41. f3 Rh2+ 42. Kd1 h3 43. Rd4 Ra2 44. f4 Rxa3 45. Ke2 Ra2+ 46. Rd2 Rxd2+ 47. Kxd2 Nxc4+ 48. Nxc4 Rxc4 49. Ke3 Rb4 50. Ra1 Kc7 51. Rc1+ Kb6 52. Rc6+ Kxb5 53. Rc8 Nf6 54. Rb8+ Kc4 55. Rxb4+ Kxb4 0-1

[Event "Berlin Unicorn op"]
[Site "Berlin"]
[Date "2008.05.03"]
[Round "5"]
[White "Alkhazov, Roman"]
[Black "Mahler, Sonja"]
[Result "0-1"]
[ECO "D37"]
[BlackElo "1462"]
[PlyCount "58"]
[EventDate "2008.04.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 124 Extra"]
[Source "ChessBase"]
[SourceDate "2008.07.03"]
[SourceVersion "1"]
[SourceVersionDate "2008.07.03"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. b3 Nf6 4. Nc3 Be7 5. Nf3 0-0 6. e3 c5 7. Bd3 Re8 8. Qc2 cxd4 9. exd4 h6 10. Be3 Ng4 11. 0-0 b6 12. h3 Nf6 13. Kh1 Bb7 14. Rg1 dxc4 15. bxc4 Bxf3 16. gxf3 Kh8 17. Rg2 Qc8 18. Rag1 Nh5 19. Ne2 Bd6 20. f4 Qd8 21. Be4 Nd7 22. Bxa8 Qxa8 23. Qd3 Qf3 24. c5 Bb8 25. cxb6 axb6 26. Qd2 Ndf6 27. Ng3 Nxf4 28. Bxf4 Bxf4 29. Re1 Bxd2 0-1

[Event "Berlin Unicorn op"]
[Site "Berlin"]
[Date "2008.05.03"]
[Round "6"]
[White "Mahler, Sonja"]
[Black "Halfmann, Peter"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1462"]
[BlackElo "1869"]
[PlyCount "78"]
[EventDate "2008.04.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 124 Extra"]
[Source "ChessBase"]
[SourceDate "2008.07.03"]
[SourceVersion "1"]
[SourceVersionDate "2008.07.03"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. Nf3 Bf5 4. e3 e6 5. a3 Be7 6. c4 c6 7. Be2 0-0 8. b4 Nbd7 9. Nbd2 a5 10. b5 dxc4 11. Bxc4 Nd5 12. Bg3 N7f6 13. bxc6 bxc6 14. Ne5 Qb6 15. Bh4 Qb2 16. Ra2 Qb7 17. 0-0 Nc3 18. Qa1 Nxa2 19. Qxa2 h6 20. Be2 g5 21. Bg3 Rac8 22. h3 Ne4 23. Ndc4 Nxg3 24. fxg3 a4 25. Nd2 Bd6 26. Ng4 Kg7 27. Qa1 f6 28. e4 Bg6 29. Nxf6 Rxf6 30. Rxf6 Kxf6 31. e5+ Bxe5 32. dxe5+ Kg7 33. Qa2 Qd7 34. Kh2 Rd8 35. Nc4 Qd5 36. Qb2 Be4 37. Bf1 Rf8 38. Ne3 Qc5 39. Qc1 Qxc1 0-1

[Event "Berlin Unicorn op"]
[Site "Berlin"]
[Date "2008.05.02"]
[Round "4"]
[White "Mahler, Sonja"]
[Black "Kuckel, Andreas"]
[Result "0-1"]
[ECO "A46"]
[WhiteElo "1462"]
[BlackElo "2026"]
[PlyCount "48"]
[EventDate "2008.04.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 124 Extra"]
[Source "ChessBase"]
[SourceDate "2008.07.03"]
[SourceVersion "1"]
[SourceVersionDate "2008.07.03"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 c5 3. Nf3 e6 4. e3 Qb6 5. b3 Nc6 6. Be2 Nd5 7. Bg3 cxd4 8. exd4 Bb4+ 9. Kf1 0-0 10. Qd3 Be7 11. a3 f5 12. c4 Nf6 13. c5 Qd8 14. Nc3 d6 15. b4 a6 16. Bd1 dxc5 17. bxc5 Bxc5 18. Ne2 Bd6 19. Bb3 Nd5 20. Re1 h6 21. Bc2 b5 22. h3 Bxg3 23. Nxg3 Qd6 24. Ne5 Nf4 0-1

[Event "Berlin Unicorn op"]
[Site "Berlin"]
[Date "2008.05.01"]
[Round "3"]
[White "Mahler, Sonja"]
[Black "Moritz, Aron"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1462"]
[BlackElo "1984"]
[PlyCount "61"]
[EventDate "2008.04.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 124 Extra"]
[Source "ChessBase"]
[SourceDate "2008.07.03"]
[SourceVersion "1"]
[SourceVersionDate "2008.07.03"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 e6 3. Nf3 Bd6 4. Bg5 Nf6 5. e3 Nbd7 6. c4 c6 7. Nbd2 0-0 8. a3 c5 9. dxc5 Bxc5 10. b4 Be7 11. Qc2 b6 12. Rd1 Bb7 13. Bh4 h6 14. Be2 Rc8 15. Qb3 a6 16. Bd3 dxc4 17. Nxc4 Bd5 18. Ke2 b5 19. Nfd2 Ne5 20. Bb1 Nxc4 21. Nf1 Qb6 22. e4 Ba8 23. f4 Rfe8 24. Bxf6 Bxf6 25. e5 Bh4 26. Ng3 Bd5 27. Rxd5 exd5 28. Qd3 g6 29. Rf1 Re6 30. Nh1 Bf6 31. Qh3 0-1

[Event "Berlin Unicorn op"]
[Site "Berlin"]
[Date "2008.05.01"]
[Round "2"]
[White "Mollison, Jamie"]
[Black "Mahler, Sonja"]
[Result "1-0"]
[ECO "C55"]
[WhiteElo "1910"]
[BlackElo "1462"]
[PlyCount "66"]
[EventDate "2008.04.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 124 Extra"]
[Source "ChessBase"]
[SourceDate "2008.07.03"]
[SourceVersion "1"]
[SourceVersionDate "2008.07.03"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 h6 4. 0-0 Nf6 5. d3 Be7 6. c3 0-0 7. Re1 d6 8. b4 a6 9. a4 b6 10. Bb2 Nh7 11. Nbd2 Ra7 12. Nf1 Bg4 13. Ne3 Bh5 14. g4 Bg6 15. Nf5 Bf6 16. Kh1 h5 17. h3 hxg4 18. hxg4 Qd7 19. Kg2 Nd8 20. N3h4 Ne6 21. Bc1 c6 22. Be3 Bxh4 23. Nxh4 d5 24. Bb3 dxe4 25. Nxg6 fxg6 26. dxe4 Qe8 27. Qd6 Re7 28. a5 b5 29. Bc5 Rff7 30. Qxe5 Nf4+ 31. Qxf4 Re6 32. Qe3 Nf6 33. Bxe6 Qxe6 1-0

[Event "Berlin Unicorn op"]
[Site "Berlin"]
[Date "2008.04.30"]
[Round "1"]
[White "Daeweritz, Klaus"]
[Black "Mahler, Sonja"]
[Result "0-1"]
[ECO "C60"]
[WhiteElo "1832"]
[BlackElo "1462"]
[PlyCount "70"]
[EventDate "2008.04.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 124 Extra"]
[Source "ChessBase"]
[SourceDate "2008.07.03"]
[SourceVersion "1"]
[SourceVersionDate "2008.07.03"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nge7 4. d4 exd4 5. Nxd4 Ne5 6. f4 N5g6 7. f5 Ne5 8. Nc3 c6 9. Be2 b5 10. Bg5 b4 11. Na4 Qa5 12. c3 Bb7 13. 0-0 Nc8 14. a3 bxa3 15. bxa3 Nd6 16. Qb3 Rb8 17. Bf3 c5 18. Ne2 Qc7 19. Qc2 Nxf3+ 20. gxf3 Nc4 21. Qd3 Ne5 22. Qd1 Bd6 23. Nf4 f6 24. Bh4 Nc4 25. Qe2 Bxf4 26. Qxc4 Bxh2+ 27. Kh1 Qf4 28. Be1 Qh6 29. Kg2 Bd6 30. Kf2 Qh2+ 31. Ke3 Qf4+ 32. Ke2 Bc6 33. Bd2 Qh2+ 34. Rf2 Qh4 35. Ke1 Bb5 0-1

[Event "Berlin Eckbauer op 10th"]
[Site "Berlin"]
[Date "2007.11.06"]
[Round "7"]
[White "Mahler, Sonja"]
[Black "Focke, Wolfgang"]
[Result "1-0"]
[ECO "A48"]
[WhiteElo "1438"]
[BlackElo "1418"]
[PlyCount "61"]
[EventDate "2007.08.18"]
[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. e3 Bg7 4. Nf3 c5 5. c3 cxd4 6. exd4 0-0 7. Bd3 Nc6 8. Nbd2 d6 9. Bg5 Re8 10. Qc2 e5 11. d5 Ne7 12. c4 Bf5 13. Bxf5 Nxf5 14. 0-0 Qb6 15. Bxf6 Bxf6 16. Ne4 Bg7 17. Rad1 Rac8 18. Rfe1 Qa6 19. b3 Rc7 20. a4 Rec8 21. Qb2 Qb6 22. Qa3 a5 23. g4 Nd4 24. Nxd4 exd4 25. Nxd6 Rd8 26. Nb5 Rcd7 27. Re4 Qf6 28. Nxd4 Qh4 29. Rde1 h5 30. Nf3 Qh3 31. Re8+ 1-0

[Event "Berlin Eckbauer op 10th"]
[Site "Berlin"]
[Date "2007.10.30"]
[Round "6"]
[White "Richter, Dirk"]
[Black "Mahler, Sonja"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "1480"]
[BlackElo "1438"]
[PlyCount "51"]
[EventDate "2007.08.18"]
[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. Nf3 d6 3. c3 Qc7 4. d4 Bd7 5. Be3 c4 6. Nbd2 b5 7. a4 Nf6 8. h3 h6 9. axb5 Bxb5 10. b3 d5 11. bxc4 dxc4 12. Ne5 Nbd7 13. Nxd7 Nxd7 14. Be2 e6 15. Bh5 Be7 16. Bxf7+ Kxf7 17. Qh5+ Kg8 18. Qxb5 Nb6 19. d5 Qe5 20. Bxb6 Qxc3 21. Qb1 Rb8 22. Rxa7 Bg5 23. 0-0 Qxd2 24. e5 Bd8 25. Qg6 Qg5 26. Rxg7+ 1-0

[Event "Berlin Eckbauer op 10th"]
[Site "Berlin"]
[Date "2007.10.23"]
[Round "5"]
[White "Mahler, Sonja"]
[Black "Radloff, Rainer"]
[Result "0-1"]
[ECO "D37"]
[WhiteElo "1438"]
[BlackElo "1594"]
[PlyCount "52"]
[EventDate "2007.08.18"]
[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 d5 2. Bf4 e6 3. Nf3 Nf6 4. a3 Be7 5. e3 a6 6. c4 0-0 7. Nc3 c5 8. dxc5 Bxc5 9. b4 Be7 10. Qb3 dxc4 11. Bxc4 b5 12. Be2 Bb7 13. Rd1 Qb6 14. Bg5 Nc6 15. Bf4 Nh5 16. Bg3 Nxg3 17. hxg3 Rfd8 18. Rc1 Bf6 19. Qc2 h6 20. g4 Ne5 21. Nxe5 Bxe5 22. Qb1 Rac8 23. Qb2 Qc7 24. 0-0 Bxc3 25. Qb1 Qe7 26. f4 Qh4 0-1

[Event "Berlin Eckbauer op 10th"]
[Site "Berlin"]
[Date "2007.10.09"]
[Round "4"]
[White "Mahler, Sonja"]
[Black "Hubrich, Heiko"]
[Result "1-0"]
[ECO "A46"]
[WhiteElo "1438"]
[PlyCount "17"]
[EventDate "2007.08.18"]
[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 e6 2. Bf4 Nf6 3. Nf3 Nh5 4. Bg3 Na6 5. e3 Qf6 6. Bh4 Qg6 7. Ne5 Qe4 8. Qxh5 Qxc2 9. Qxf7# 1-0

[Event "Berlin Eckbauer op 10th"]
[Site "Berlin"]
[Date "2007.10.02"]
[Round "3"]
[White "Geist, Wolfgang"]
[Black "Mahler, Sonja"]
[Result "1-0"]
[ECO "D46"]
[WhiteElo "1553"]
[BlackElo "1438"]
[PlyCount "67"]
[EventDate "2007.08.18"]
[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 d5 2. c4 c6 3. Nc3 e6 4. e3 Nf6 5. Nf3 Be7 6. Bd3 0-0 7. 0-0 Nbd7 8. Ne5 dxc4 9. Bxc4 Nb6 10. Bd3 Qc7 11. f4 Rd8 12. Qe2 c5 13. Nf3 a6 14. dxc5 Bxc5 15. Ne5 Nbd5 16. Ne4 Nxe4 17. Bxe4 Nxf4 18. Rxf4 Qxe5 19. Bxh7+ Kf8 20. Rh4 Qf6 21. Rh3 Rd6 22. Bd3 g6 23. Rf3 Qg7 24. Bd2 e5 25. Rg3 Be6 26. Rf1 Bxa2 27. Bc3 Re8 28. Be4 b5 29. b4 Ba7 30. Qxa2 Qh6 31. Qe2 Kg7 32. Kh1 Qh4 33. Qf3 Rd7 34. Bc6 1-0

[Event "Berlin Eckbauer op 10th"]
[Site "Berlin"]
[Date "2007.09.25"]
[Round "2"]
[White "Mahler, Sonja"]
[Black "Ziems, Michael"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1438"]
[BlackElo "1601"]
[PlyCount "65"]
[EventDate "2007.08.18"]
[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 d5 2. Bf4 e6 3. Nf3 Nf6 4. e3 c5 5. Be2 Nc6 6. c3 Bd6 7. Bg5 cxd4 8. exd4 h6 9. Bh4 0-0 10. Qc2 Be7 11. Bg3 Ne4 12. Bf4 Bd7 13. Nbd2 f5 14. h4 Rc8 15. Qc1 Bf6 16. Nb3 a5 17. a4 Qb6 18. Nc5 Nxc5 19. dxc5 Qxc5 20. Rh3 e5 21. Bxh6 f4 22. Bg5 Bxh3 23. gxh3 e4 24. Nh2 Nd4 25. Qd1 Nxe2 26. Kxe2 Qc4+ 27. Ke1 Rcd8 28. Ng4 Bxg5 29. hxg5 d4 30. Ne5 Qd5 31. Ng6 Qxg5 32. Qb3+ Rf7 33. Qb6 0-1

[Event "Berlin Eckbauer op 10th"]
[Site "Berlin"]
[Date "2007.09.18"]
[Round "1"]
[White "Derz, Claus"]
[Black "Mahler, Sonja"]
[Result "1-0"]
[ECO "D37"]
[WhiteElo "1682"]
[BlackElo "1438"]
[PlyCount "89"]
[EventDate "2007.08.18"]
[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 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. Bf4 Be7 6. e3 Qa5 7. Qc2 Na6 8. Be2 Nb4 9. Qd2 0-0 10. 0-0 dxc4 11. Bxc4 Nbd5 12. Bg3 Bb4 13. Bxd5 Nxd5 14. Rfc1 Nf6 15. Qc2 Bd7 16. a3 Be7 17. Ne5 Be8 18. h3 Rc8 19. b4 Qd8 20. Ne4 Nxe4 21. Qxe4 Bd6 22. Bh4 Qc7 23. Nc4 Bd7 24. Nxd6 Qxd6 25. Bg3 Qe7 26. Qc2 a6 27. Qc5 Qxc5 28. bxc5 Ra8 29. Rab1 Bc8 30. a4 Rd8 31. a5 Rd7 32. Bd6 f6 33. f4 Kf7 34. e4 g6 35. g4 Rd8 36. Re1 Re8 37. Kf2 Ra7 38. Kg3 Ra8 39. f5 e5 40. dxe5 fxe5 41. fxg6+ hxg6 42. Rf1+ Ke6 43. g5 Rg8 44. Rf6+ Kd7 45. Rbf1 1-0

[Event "Berlin Unicorn op"]
[Site "Berlin"]
[Date "2007.05.19"]
[Round "5"]
[White "Mahler, Sonja"]
[Black "Eberlein, Johann"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "1420"]
[BlackElo "1887"]
[PlyCount "74"]
[EventDate "2007.05.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 118 Extra"]
[Source "ChessBase"]
[SourceDate "2007.07.04"]
[SourceVersion "1"]
[SourceVersionDate "2007.07.04"]
[SourceQuality "1"]

1. d4 e6 2. a3 f5 3. Bf4 Nf6 4. e3 Be7 5. c4 b6 6. Nc3 Bb7 7. Qb3 d6 8. Rd1 0-0 9. c5 Qd7 10. Nb5 Bd5 11. Bc4 Nc6 12. Bxd5 Nxd5 13. cxd6 cxd6 14. Bg3 Rac8 15. Ne2 Na5 16. Qd3 Nc4 17. Qb3 g5 18. a4 f4 19. exf4 gxf4 20. Bxf4 Nxf4 21. Nxf4 Nxb2 22. Nxe6 Rf7 23. Rb1 Nxa4 24. 0-0 a6 25. Na3 d5 26. Qg3+ Kh8 27. Rfe1 Rc3 28. Qe5+ Bf6 29. Qb8+ Rc8 30. Qg3 Rg8 31. Qd3 b5 32. Nc2 Nb6 33. Rbc1 Nc4 34. Nb4 Qd6 35. Qb3 Nd2 36. Qb2 Nf3+ 37. Kh1 Qxh2# 0-1

[Event "Berlin Unicorn op"]
[Site "Berlin"]
[Date "2007.05.19"]
[Round "6"]
[White "Pixa, Ulrich"]
[Black "Mahler, Sonja"]
[Result "0-1"]
[ECO "B54"]
[BlackElo "1420"]
[PlyCount "68"]
[EventDate "2007.05.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 118 Extra"]
[Source "ChessBase"]
[SourceDate "2007.07.04"]
[SourceVersion "1"]
[SourceVersionDate "2007.07.04"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 h6 5. Nc3 a6 6. Be3 Nf6 7. Bd3 e5 8. Nb3 Ng4 9. 0-0 Nxe3 10. fxe3 Be7 11. Qf3 Be6 12. Rf2 h5 13. Raf1 Bf6 14. Nd5 Bg5 15. Qe2 Bg4 16. Qd2 Be6 17. Qe2 Bh4 18. g3 Bg5 19. Nd2 Bg4 20. Nf3 h4 21. Rg2 Nd7 22. Rgf2 Nf6 23. Bc4 Nxe4 24. Rg2 hxg3 25. hxg3 Bh6 26. Rh2 Rc8 27. Bb3 Rc6 28. Qg2 b5 29. Nd2 Nxd2 30. Qxd2 a5 31. Qf2 0-0 32. Nf6+ Qxf6 33. Qxf6 Bxe3+ 34. Kh1 gxf6 0-1

[Event "Berlin Unicorn op"]
[Site "Berlin"]
[Date "2007.05.18"]
[Round "4"]
[White "Lohse, Steffen"]
[Black "Mahler, Sonja"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1918"]
[BlackElo "1420"]
[PlyCount "111"]
[EventDate "2007.05.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 118 Extra"]
[Source "ChessBase"]
[SourceDate "2007.07.04"]
[SourceVersion "1"]
[SourceVersionDate "2007.07.04"]
[SourceQuality "1"]

1. d4 d5 2. e3 Nf6 3. Bd3 e6 4. Nd2 a6 5. a4 c5 6. b3 cxd4 7. exd4 Bb4 8. Ba3 Bc3 9. Ngf3 Nc6 10. Rc1 Nxd4 11. Nxd4 Bxd4 12. 0-0 Bc3 13. Nb1 Ba5 14. Qe2 Bb6 15. c4 Bd7 16. Nc3 Bc6 17. cxd5 Nxd5 18. Be4 Nf4 19. Bxc6+ bxc6 20. Qc4 Qc7 21. Ne4 c5 22. Bxc5 Bxc5 23. Qxc5 Qxc5 24. Rxc5 0-0 25. Rd1 Rfb8 26. g3 Nd5 27. Rd3 Rb4 28. Nd2 h6 29. Ra5 Kf8 30. Kf1 Ke7 31. Nc4 f6 32. Ne3 Nxe3+ 33. Rxe3 Kd7 34. Rc3 Kd6 35. Ke2 e5 36. Kd2 g5 37. h3 Ra7 38. Rac5 Rd4+ 39. Ke2 Ke6 40. Rf3 Rad7 41. Rc6+ R7d6 42. Rfc3 f5 43. Rxd6+ Rxd6 44. Ke3 f4+ 45. Ke2 h5 46. Rc4 Kd7 47. a5 Rd5 48. b4 Kd6 49. Kf3 Kd7 50. gxf4 gxf4 51. Ke4 Kd6 52. f3 h4 53. Kf5 Kd7 54. Kg4 Rd4 55. Rxd4+ exd4 56. Kxf4 1-0

[Event "Berlin Unicorn op"]
[Site "Berlin"]
[Date "2007.05.17"]
[Round "2"]
[White "Fuchs, Joerg"]
[Black "Mahler, Sonja"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1930"]
[BlackElo "1420"]
[PlyCount "67"]
[EventDate "2007.05.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 118 Extra"]
[Source "ChessBase"]
[SourceDate "2007.07.04"]
[SourceVersion "1"]
[SourceVersionDate "2007.07.04"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 e6 3. c3 Bd6 4. Bg5 Nf6 5. Nbd2 Be7 6. e3 a6 7. Bd3 h6 8. Bh4 Nbd7 9. Rc1 c5 10. 0-0 b5 11. Re1 g5 12. Bg3 Nh5 13. e4 Nxg3 14. fxg3 g4 15. Ne5 Nxe5 16. dxe5 Bg5 17. Rc2 c4 18. Bf1 h5 19. exd5 Qxd5 20. Ne4 Be3+ 21. Kh1 Qxe4 22. Rce2 Qxe5 23. Rxe3 Qf6 24. Qd5 Ra7 25. Qc5 Rd7 26. Qxc8+ Ke7 27. Qc5+ Rd6 28. Rd1 Rhd8 29. Kg1 h4 30. Re4 hxg3 31. hxg3 Qg6 32. Red4 e5 33. Qxe5+ Re6 34. Qc7+ 1-0

