[Event "Stuttgart-chB op"]
[Site "Ditzingen"]
[Date "2015.05.17"]
[Round "7"]
[White "Forster, Lukas"]
[Black "Potthast, Christian"]
[Result "0-1"]
[ECO "B15"]
[WhiteElo "1571"]
[BlackElo "1751"]
[PlyCount "72"]
[EventDate "2015.05.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Ng3 g6 6. Nf3 Bg4 7. Be2 Qc7 8. h3 Bxf3 9. Bxf3 Bg7 10. c3 0-0 11. 0-0 Nbd7 12. Re1 Rfe8 13. Qc2 e5 14. Be3 Rad8 15. Rad1 b6 16. b3 exd4 17. Bxd4 c5 18. Be3 Ne5 19. Be2 Nd5 20. Bd2 Nc6 21. Bf3 Ne5 22. Be2 c4 23. Nf1 b5 24. Ne3 Nf4 25. bxc4 Nxe2+ 26. Rxe2 Nxc4 27. Be1 Nxe3 28. Rxd8 Qxd8 29. Rxe3 Rxe3 30. fxe3 Qd7 31. Kf2 Qd5 32. e4 Qc5+ 33. Ke2 Qc4+ 34. Kd1 Be5 35. Qd2 Qxe4 36. Qe2 Qb1+ 0-1

[Event "Stuttgart-chB op"]
[Site "Ditzingen"]
[Date "2015.05.16"]
[Round "5"]
[White "Herbst, Rudolf"]
[Black "Potthast, Christian"]
[Result "1/2-1/2"]
[ECO "D13"]
[WhiteElo "1681"]
[BlackElo "1751"]
[PlyCount "44"]
[EventDate "2015.05.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. c4 c6 2. Nc3 d5 3. cxd5 cxd5 4. d4 Nc6 5. Nf3 Bf5 6. Bf4 a6 7. e3 e6 8. Bd3 Bxd3 9. Qxd3 Nf6 10. 0-0 h6 11. Ne5 Nxe5 12. Bxe5 Bd6 13. Bxd6 Qxd6 14. Rac1 0-0 15. h3 b5 16. Rc2 Rfc8 17. Rfc1 Qd7 18. Qd1 Ne8 19. Ne2 Nd6 20. b3 Rxc2 21. Rxc2 Rc8 22. Nf4 Rxc2 1/2-1/2

[Event "Stuttgart-chB op"]
[Site "Ditzingen"]
[Date "2015.05.16"]
[Round "6"]
[White "Potthast, Christian"]
[Black "Domingos, Antonio"]
[Result "1-0"]
[ECO "E16"]
[WhiteElo "1751"]
[BlackElo "1690"]
[PlyCount "39"]
[EventDate "2015.05.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Bb4+ 6. Bd2 Qe7 7. 0-0 0-0 8. a3 Bxd2 9. Nbxd2 d6 10. Qc2 Nbd7 11. e4 Rac8 12. Rfe1 c5 13. d5 e5 14. Nf1 h6 15. Ne3 g6 16. Nh4 Rc7 17. Qd2 Nh5 18. Ng4 Nf4 19. Nxh6+ Kg7 20. N6f5+ 1-0

[Event "Stuttgart-chB op"]
[Site "Ditzingen"]
[Date "2015.05.15"]
[Round "3"]
[White "Hartmann, Anatoli"]
[Black "Potthast, Christian"]
[Result "0-1"]
[ECO "A46"]
[WhiteElo "1630"]
[BlackElo "1751"]
[PlyCount "60"]
[EventDate "2015.05.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 c5 2. Nf3 e6 3. c3 Nf6 4. Bg5 Be7 5. e3 b6 6. Bd3 h6 7. Bh4 Ba6 8. c4 Nc6 9. 0-0 d5 10. Qa4 Bb7 11. cxd5 Nxd5 12. Bxe7 Ndxe7 13. Bb5 a6 14. Be2 b5 15. Qc2 cxd4 16. Rd1 Rc8 17. Qd2 Qb6 18. exd4 0-0 19. Ne5 Rfd8 20. Qf4 Nf5 21. Nxc6 Bxc6 22. d5 Bxd5 23. Nc3 Bb7 24. Ne4 Rd4 25. Rxd4 Qxd4 26. Bf3 Qxb2 27. Rf1 Nd4 28. Nf6+ Kh8 29. Bh5 Ne2+ 30. Bxe2 Qxe2 0-1

[Event "Stuttgart-chB op"]
[Site "Ditzingen"]
[Date "2015.05.15"]
[Round "4"]
[White "Potthast, Christian"]
[Black "Behm, Wilfried"]
[Result "0-1"]
[ECO "E01"]
[WhiteElo "1751"]
[BlackElo "1844"]
[PlyCount "58"]
[EventDate "2015.05.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d5 2. c4 Nf6 3. Nf3 e6 4. g3 Nbd7 5. Qc2 c6 6. Bg2 Bd6 7. 0-0 Ne4 8. Nc3 f5 9. b3 0-0 10. Nd2 Ndf6 11. Bb2 Ng4 12. Ndxe4 fxe4 13. Qd2 Qf6 14. h3 Nh6 15. e3 Nf7 16. Ne2 Ng5 17. Kh1 Qh6 18. Nf4 Nf3 19. Qd1 g5 20. Ne2 e5 21. Ng1 g4 22. Bxf3 exf3 23. dxe5 Be7 24. cxd5 cxd5 25. Qxd5+ Be6 26. Qxb7 Rae8 27. Rac1 Rf5 28. Rc6 Rh5 29. h4 Rxh4+ 0-1

[Event "Stuttgart-chB op"]
[Site "Ditzingen"]
[Date "2015.05.14"]
[Round "1"]
[White "De Oliveira Vasconcelos, Marcel Bruno"]
[Black "Potthast, Christian"]
[Result "1-0"]
[ECO "A47"]
[WhiteElo "1499"]
[BlackElo "1751"]
[PlyCount "57"]
[EventDate "2015.05.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bf4 c5 4. e3 Nc6 5. c3 b6 6. Bd3 Bb7 7. Nbd2 Be7 8. Qe2 d6 9. h3 0-0 10. g4 cxd4 11. exd4 Re8 12. 0-0-0 a6 13. h4 b5 14. h5 b4 15. g5 Nd5 16. Qe4 g6 17. hxg6 Nxf4 18. gxf7+ Kf8 19. Qxh7 Nxd3+ 20. Kc2 b3+ 21. axb3 Ncb4+ 22. cxb4 Nxb4+ 23. Kb1 Bxg5 24. fxe8Q+ Kxe8 25. Qg8+ Kd7 26. Qxg5 Qf8 27. Rh7+ Kc8 28. Rc1+ Nc6 29. Rch1 1-0

[Event "Stuttgart-chB op"]
[Site "Ditzingen"]
[Date "2015.05.14"]
[Round "2"]
[White "Potthast, Christian"]
[Black "Gruenwald, Max"]
[Result "1-0"]
[ECO "E62"]
[WhiteElo "1751"]
[BlackElo "1560"]
[PlyCount "69"]
[EventDate "2015.05.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 0-0 5. Nf3 d6 6. 0-0 Nc6 7. Nc3 e5 8. e4 exd4 9. Nxd4 Nxe4 10. Nxc6 Nxc3 11. Nxd8 Nxd1 12. Rxd1 Rxd8 13. c5 c6 14. cxd6 Be6 15. Bg5 Rd7 16. Rd2 h6 17. Be7 Bf8 18. Bxf8 Kxf8 19. b3 Rad8 20. Rad1 Bg4 21. f3 Be6 22. Kf2 Bd5 23. f4 Rxd6 24. Bh3 Ke7 25. Re1+ Be6 26. Rde2 f5 27. g4 Rd2 28. gxf5 R8d3 29. f6+ Kxf6 30. Bxe6 Rxe2+ 31. Rxe2 Rd6 32. Bg4 h5 33. Bh3 Rd3 34. Bg2 Kf5 35. Be4+ 1-0

[Event "Stuttgart-chB int"]
[Site "Ditzingen"]
[Date "2008.05.04"]
[Round "7"]
[White "Von Borstel, Andreas"]
[Black "Potthast, Christian"]
[Result "0-1"]
[ECO "A30"]
[WhiteElo "1496"]
[BlackElo "1691"]
[PlyCount "100"]
[EventDate "2008.05.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. Nf3 Nf6 2. b3 g6 3. Bb2 Bg7 4. c4 0-0 5. e3 c5 6. Qc2 Nc6 7. a3 d6 8. Be2 Bf5 9. d3 a6 10. Nbd2 b5 11. 0-0 b4 12. a4 Qc7 13. e4 Bd7 14. Rfe1 Ne8 15. Bf1 Bh6 16. h3 Ng7 17. Rad1 Ne6 18. e5 dxe5 19. Bxe5 Nxe5 20. Rxe5 Nd4 21. Nxd4 Qxe5 22. N2f3 Qf6 23. Ne2 Bxh3 24. gxh3 Qxf3 25. Bg2 Qf5 26. Ng3 Qd7 27. Bxa8 Rxa8 28. Kg2 Bg7 29. Re1 Rd8 30. Ne4 e6 31. Kf1 Qc7 32. Kg2 Bd4 33. Qe2 Qf4 34. Qf3 Qxf3+ 35. Kxf3 Kg7 36. Rd1 h6 37. Rd2 f5 38. Ng3 e5 39. Ne2 Bc3 40. Rd1 e4+ 41. Ke3 Bd4+ 42. Nxd4 Rxd4 43. Rd2 Rxd3+ 44. Rxd3 exd3 45. h4 g5 46. hxg5 hxg5 47. Kxd3 Kf6 48. a5 Ke5 49. Ke3 g4 50. f4+ gxf3 0-1

[Event "Stuttgart-chB int"]
[Site "Ditzingen"]
[Date "2008.05.03"]
[Round "5"]
[White "Cofman, Veaceslav"]
[Black "Potthast, Christian"]
[Result "1-0"]
[ECO "B14"]
[WhiteElo "1894"]
[BlackElo "1691"]
[PlyCount "119"]
[EventDate "2008.05.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 c5 4. e3 cxd4 5. exd4 d5 6. cxd5 Nxd5 7. Bc4 Bb4 8. Nge2 Nb6 9. Bb3 Nc6 10. 0-0 0-0 11. Be3 Na5 12. Rc1 Nxb3 13. Qxb3 Be7 14. Rfd1 Nd5 15. Nxd5 Qxd5 16. Qxd5 exd5 17. Bf4 Bf6 18. h3 Re8 19. Nc3 Be6 20. a3 a6 21. Be3 b5 22. Ne2 Rac8 23. Nf4 Rc4 24. b3 Rcc8 25. Nd3 Rxc1 26. Rxc1 Rc8 27. Nc5 Rc6 28. b4 h6 29. Kf1 Be7 30. Ke2 Bc8 31. Kd2 Bxc5 32. dxc5 h5 33. Re1 Kf8 34. h4 Bd7 35. Bg5 f6 36. Bf4 Re6 37. Rxe6 Bxe6 38. c6 Ke7 39. Kd3 Bc8 40. Kd4 Be6 41. Kc5 Kd8 42. Kd6 Bf5 43. Kxd5 g6 44. Kc5 Be4 45. f3 Bd3 46. Kb6 Kc8 47. Kxa6 Bf1 48. g3 Be2 49. Ka5 g5 50. Bd6 Bc4 51. a4 bxa4 52. Kxa4 Bd5 53. Kb5 Bxf3 54. Kc5 g4 55. b5 Be2 56. b6 Ba6 57. b7+ Bxb7 58. cxb7+ Kxb7 59. Bf4 Kc8 60. Kd6 1-0

[Event "Stuttgart-chB int"]
[Site "Ditzingen"]
[Date "2008.05.03"]
[Round "6"]
[White "Potthast, Christian"]
[Black "Ruff, Robert"]
[Result "0-1"]
[ECO "C15"]
[WhiteElo "1691"]
[BlackElo "1566"]
[PlyCount "108"]
[EventDate "2008.05.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 dxe4 6. Qg4 Nf6 7. Qxg7 Rg8 8. Qh6 Rg6 9. Qe3 Bd7 10. Ne2 Bc6 11. Nf4 Rg8 12. Qh3 Qd6 13. Qh4 Nbd7 14. a4 Qf8 15. Ba3 Qg7 16. Nh5 Qg6 17. Be2 0-0-0 18. Nxf6 Nxf6 19. Be7 Nd5 20. Bxd8 Rxd8 21. Kd2 f5 22. g3 e5 23. c4 Nb4 24. d5 h5 25. Qxh5 Qf6 26. Qh4 Qd6 27. Rhc1 Qc5 28. Ke1 Bd7 29. Qg5 a5 30. Qe3 Na6 31. Ra2 b6 32. h4 Qd6 33. Kf1 Nc5 34. Qd2 f4 35. Kg2 f3+ 36. Bxf3 exf3+ 37. Kxf3 e4+ 38. Kg2 Bg4 39. Qg5 Bf3+ 40. Kh2 Nd7 41. Rb2 Nf6 42. Rcb1 Ng4+ 43. Kg1 Rf8 44. Re1 Qc5 45. c3 Qxc4 46. Qe7 Rd8 47. Qe6+ Kb7 48. h5 Qxd5 49. Qg6 Rd6 50. Qe8 Rd8 51. Qe7 Rd7 52. Qe8 Rh7 53. Rb5 Qd2 54. Rf1 e3 0-1

[Event "Stuttgart-chB int"]
[Site "Ditzingen"]
[Date "2008.05.02"]
[Round "4"]
[White "Potthast, Christian"]
[Black "Holzner, Tony"]
[Result "1/2-1/2"]
[ECO "C01"]
[WhiteElo "1691"]
[PlyCount "69"]
[EventDate "2008.05.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Nf6 5. Ne2 Bd6 6. Bg5 Bg4 7. f3 Bh5 8. Nf4 Qe7+ 9. Qe2 Qxe2+ 10. Bxe2 Bg6 11. c3 Nbd7 12. Nd2 0-0 13. Nxg6 hxg6 14. 0-0 Rfe8 15. Bd3 Nh5 16. Rfe1 Nf4 17. Bf1 f6 18. Bh4 Nh5 19. Rxe8+ Rxe8 20. Re1 Rxe1 21. Bxe1 Kf7 22. g3 c5 23. Bf2 c4 24. Be3 a5 25. Be2 b5 26. f4 f5 27. Nf3 Nhf6 28. Ne5+ Bxe5 29. dxe5 Ne4 30. Bf3 Ke6 31. Bxe4 dxe4 32. h4 Kd5 33. Kf2 Nf8 34. Bb6 a4 35. Be3 1/2-1/2

[Event "Stuttgart-chB int"]
[Site "Ditzingen"]
[Date "2008.05.01"]
[Round "3"]
[White "Groetzinger, Werner"]
[Black "Potthast, Christian"]
[Result "0-1"]
[ECO "A46"]
[WhiteElo "1451"]
[BlackElo "1691"]
[PlyCount "74"]
[EventDate "2008.05.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. a3 c5 4. e3 cxd4 5. Nxd4 Nc6 6. Nxc6 bxc6 7. Bd3 d5 8. c3 Be7 9. 0-0 0-0 10. Nd2 c5 11. b3 Bb7 12. Qe2 Qc7 13. g3 Rfd8 14. Bb2 e5 15. Bf5 Qc6 16. f3 Qc7 17. Rfe1 a5 18. Rac1 Qb6 19. Bc2 Rac8 20. c4 d4 21. exd4 cxd4 22. Bd3 Re8 23. Qd1 Bc5 24. Kg2 Ng4 25. Nf1 Nf6 26. h3 Qd6 27. Ra1 Nh5 28. Be4 Bxe4 29. Rxe4 f5 30. Re1 Nf6 31. Qd3 e4 32. Qd1 Rb8 33. fxe4 fxe4 34. Nd2 e3 35. Nf3 Ne4 36. Rh1 Qxg3+ 37. Kf1 Qf2# 0-1

[Event "Stuttgart-chB int"]
[Site "Ditzingen"]
[Date "2008.05.01"]
[Round "1"]
[White "Matic, Marijo"]
[Black "Potthast, Christian"]
[Result "0-1"]
[ECO "B16"]
[WhiteElo "1462"]
[BlackElo "1691"]
[PlyCount "72"]
[EventDate "2008.05.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ gxf6 6. Bf4 Qb6 7. b3 e5 8. dxe5 fxe5 9. Be3 Bb4+ 10. Bd2 Bf5 11. Bxb4 Qxb4+ 12. Qd2 Qe4+ 13. Qe2 Qxe2+ 14. Nxe2 Bxc2 15. Rc1 Bg6 16. Nc3 Nd7 17. Be2 0-0-0 18. 0-0 Kb8 19. Rfd1 Nc5 20. Rxd8+ Rxd8 21. Rd1 Rxd1+ 22. Bxd1 Ne4 23. Nxe4 Bxe4 24. f3 Bg6 25. g4 Kc7 26. Kf2 Kd6 27. Ke3 Kd5 28. Be2 b5 29. h4 f6 30. f4 exf4+ 31. Kxf4 Kd4 32. g5 fxg5+ 33. hxg5 a6 34. Bg4 c5 35. Bf5 c4 36. bxc4 bxc4 0-1

[Event "Stuttgart-chB int"]
[Site "Ditzingen"]
[Date "2008.05.01"]
[Round "2"]
[White "Potthast, Christian"]
[Black "Riasanow, Nikita"]
[Result "0-1"]
[ECO "C05"]
[WhiteElo "1691"]
[BlackElo "1259"]
[PlyCount "80"]
[EventDate "2008.05.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. f4 c5 6. c3 Nc6 7. Ndf3 cxd4 8. cxd4 f6 9. a3 Be7 10. Bd3 Nb6 11. Ne2 Bd7 12. 0-0 0-0 13. Qc2 f5 14. Nc3 Rc8 15. Qe2 Na5 16. Be3 Nac4 17. Rac1 Rc6 18. Rc2 Qc7 19. Rfc1 Bd8 20. Nb5 Qb8 21. b3 Nxe3 22. Qxe3 a6 23. Nc3 Be7 24. a4 Rfc8 25. Qe2 Ba3 26. Ra1 Bb2 27. Rxb2 Rxc3 28. Qd2 Qc7 29. Ne1 Be8 30. Rc2 Rxc2 31. Qxc2 Qe7 32. Qd2 Bh5 33. Rc1 Rxc1 34. Qxc1 Qb4 35. Qe3 Qxb3 36. h3 Qxa4 37. g4 fxg4 38. f5 Bf7 39. hxg4 Qd1 40. Bf1 Qxg4+ 0-1

[Event "Werther Schloss op-B 11th"]
[Site "Werther"]
[Date "2005.03.19"]
[Round "2"]
[White "Potthast, Christian"]
[Black "Ollech, Dirk"]
[Result "0-1"]
[ECO "B99"]
[WhiteElo "1714"]
[BlackElo "1837"]
[PlyCount "78"]
[EventDate "2005.03.18"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 Qc7 9. 0-0-0 Nbd7 10. g4 b5 11. Bxf6 Bxf6 12. Bxb5 0-0 13. e5 Bb7 14. Bc6 dxe5 15. Bxb7 Rab8 16. Nxe6 fxe6 17. Bxa6 exf4 18. Nb5 Qa5 19. Qa3 Qxa3 20. bxa3 Nc5 21. Nc7 Bd8 22. Nxe6 Nxe6 23. Bc4 Rb6 24. Rhe1 Kf7 25. Bb3 Be7 26. c4 Nc5 27. Bc2 Bg5 28. Re5 Ne6 29. c5 Rc6 30. Bb3 Bf6 31. Rd7+ Ke8 32. Red5 Rxc5+ 33. Rxc5 Nxc5 34. Rc7 Be7 35. Bc2 Kd8 36. Ra7 f3 37. Bxh7 f2 38. Ra8+ Kc7 39. Ra7+ Kd6 0-1

[Event "Werther Schloss op-B 11th"]
[Site "Werther"]
[Date "2005.03.18"]
[Round "1"]
[White "Roever, Ludwig"]
[Black "Potthast, Christian"]
[Result "1/2-1/2"]
[ECO "E63"]
[WhiteElo "2049"]
[BlackElo "1714"]
[PlyCount "45"]
[EventDate "2005.03.18"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 0-0 5. Nc3 d6 6. Nf3 Nc6 7. 0-0 a6 8. Qc2 Rb8 9. e4 Bd7 10. a4 Nh5 11. d5 Nb4 12. Qe2 e6 13. g4 Nf6 14. h3 exd5 15. cxd5 Re8 16. Qc4 a5 17. Bg5 Qc8 18. Rac1 Na6 19. Rfe1 h6 20. Bf4 h5 21. g5 Bxh3 22. gxf6 Bxg2 23. Kxg2 1/2-1/2

[Event "Werther Schloss op-B 10th"]
[Site "Werther"]
[Date "2004.04.04"]
[Round "5"]
[White "Bax, Ingo"]
[Black "Potthast, Christian"]
[Result "1-0"]
[ECO "B99"]
[WhiteElo "1672"]
[BlackElo "1754"]
[PlyCount "57"]
[EventDate "2004.04.02"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 Qc7 9. g4 Nbd7 10. Bd3 b5 11. 0-0-0 Bb7 12. Kb1 b4 13. Nce2 e5 14. Nf5 Bf8 15. Bxf6 Nxf6 16. g5 Nd7 17. h4 g6 18. Ne3 Bg7 19. f5 Nc5 20. h5 gxh5 21. f6 Bf8 22. Rxh5 0-0-0 23. Nd5 Bxd5 24. exd5 a5 25. Rxh7 Rxh7 26. Bxh7 a4 27. Qg4+ Kb7 28. Qxb4+ Ka7 29. Nc3 1-0

[Event "Werther Schloss op-B 10th"]
[Site "Werther"]
[Date "2004.04.04"]
[Round "4"]
[White "Potthast, Christian"]
[Black "Eleftheriadis, Paul Gabriel"]
[Result "1/2-1/2"]
[ECO "B35"]
[WhiteElo "1754"]
[BlackElo "1676"]
[PlyCount "35"]
[EventDate "2004.04.02"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Bg7 5. Nc3 Nc6 6. Be3 Nf6 7. Bc4 0-0 8. Qd2 Ng4 9. Nxc6 dxc6 10. Qxd8 Rxd8 11. Bd2 b5 12. Bd3 Ne5 13. Be2 Be6 14. Rd1 Nc4 15. Bxc4 Bxc4 16. b3 Be6 17. Ne2 Rd6 18. Bc3 1/2-1/2

[Event "Werther Schloss op-B 10th"]
[Site "Werther"]
[Date "2004.04.03"]
[Round "3"]
[White "Flint, Martina"]
[Black "Potthast, Christian"]
[Result "1-0"]
[ECO "A02"]
[WhiteElo "1733"]
[BlackElo "1754"]
[PlyCount "75"]
[EventDate "2004.04.02"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. f4 e5 2. fxe5 d6 3. exd6 Bxd6 4. g3 Nf6 5. d4 Ng4 6. Qd3 Nc6 7. c3 Qf6 8. Nf3 Bf5 9. e4 Qe7 10. Nbd2 Nf6 11. Ng5 h6 12. Kd1 Bg6 13. Qb5 0-0-0 14. Bh3+ Nd7 15. Ngf3 Bxe4 16. Re1 Bxf3+ 17. Nxf3 Qf6 18. Rf1 Qe7 19. Bd2 g5 20. Bf5 Kb8 21. Re1 Qf6 22. Kc2 a6 23. Qd3 Ne7 24. Be4 Rhe8 25. b4 c6 26. a4 Nd5 27. b5 Ka7 28. Rf1 Qg7 29. Rab1 N7f6 30. Bxd5 cxd5 31. Ne5 Rc8 32. bxa6 bxa6 33. Qf5 Re6 34. Rb3 Rc7 35. Rfb1 Bxe5 36. dxe5 Ne4 37. Be3+ Nc5 38. Bxc5+ 1-0

[Event "Werther Schloss op-B 10th"]
[Site "Werther"]
[Date "2004.04.02"]
[Round "1"]
[White "Stange, Joerg"]
[Black "Potthast, Christian"]
[Result "1/2-1/2"]
[ECO "E63"]
[WhiteElo "1592"]
[BlackElo "1754"]
[PlyCount "48"]
[EventDate "2004.04.02"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 0-0 5. g3 d6 6. Bg2 Nc6 7. 0-0 a6 8. e3 Rb8 9. Qe2 b5 10. cxb5 axb5 11. Nd2 Na7 12. b4 Bd7 13. Nb3 e6 14. Bb2 Nc6 15. a3 Ne7 16. Rac1 c6 17. Ne4 Nxe4 18. Bxe4 Qb6 19. Rfd1 Ra8 20. Bf3 f5 21. Na5 Ra7 22. Nb3 Rc8 23. Qd2 Rac7 24. h4 Qa6 1/2-1/2

