[Event "Potsdam Christmas 35th"]
[Site "Potsdam"]
[Date "2010.12.30"]
[Round "7.11"]
[White "Grosse, Michael"]
[Black "Wiezer, Siegfried"]
[Result "0-1"]
[ECO "A06"]
[WhiteElo "1901"]
[BlackElo "2014"]
[PlyCount "78"]
[EventDate "2010.12.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 Nf6 2. b3 e6 3. Bb2 d5 4. e3 c5 5. Be2 Nc6 6. 0-0 Bd6 7. d3 0-0 8. Nbd2 Qe7 9. e4 e5 10. Re1 Be6 11. Bf1 d4 12. Nc4 Bc7 13. a4 h6 14. Qc1 Nh5 15. g3 f5 16. exf5 Rxf5 17. Nh4 Rf6 18. Ng2 g5 19. Qd1 Ng7 20. Nd2 Bd5 21. Ne4 Bxe4 22. dxe4 Na5 23. Bd3 Raf8 24. Rf1 Qf7 25. Qe2 Ne8 26. Ba3 Bd6 27. Qe1 b6 28. Bc1 Nc7 29. Bd2 Nc6 30. Bc4 Ne6 31. h4 g4 32. Qd1 Qg6 33. Qe2 a5 34. Bxe6+ Rxe6 35. Qb5 Bc7 36. Rae1 Kh7 37. Qd3 Ref6 38. Re2 Na7 39. f4 gxf3 0-1

[Event "Potsdam Christmas 35th"]
[Site "Potsdam"]
[Date "2010.12.29"]
[Round "5.10"]
[White "Galkin, Wladislaw"]
[Black "Wiezer, Siegfried"]
[Result "1/2-1/2"]
[ECO "E33"]
[WhiteElo "1924"]
[BlackElo "2014"]
[PlyCount "53"]
[EventDate "2010.12.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 Nc6 5. Nf3 d5 6. Bg5 h6 7. Bh4 g5 8. Bg3 g4 9. Ne5 Nxd4 10. Qa4+ Bd7 11. Nxd7 Qxd7 12. 0-0-0 Qxa4 13. Nxa4 Nc6 14. Bh4 Be7 15. Bxf6 Bxf6 16. cxd5 exd5 17. Rxd5 Ke7 18. e3 Rad8 19. Rxd8 Rxd8 20. Be2 Nb4 21. a3 Nd3+ 22. Bxd3 Rxd3 23. Kc2 Rd5 24. Nc3 Rf5 25. Ne4 Be5 26. b3 b6 27. Kd3 1/2-1/2

[Event "Potsdam Christmas 35th"]
[Site "Potsdam"]
[Date "2010.12.29"]
[Round "6.10"]
[White "Wiezer, Siegfried"]
[Black "Schaefer, Heiko"]
[Result "1/2-1/2"]
[ECO "A80"]
[WhiteElo "2014"]
[BlackElo "2124"]
[PlyCount "99"]
[EventDate "2010.12.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 e6 2. d4 f5 3. Bg5 Be7 4. h4 Nf6 5. Nc3 d5 6. Ne5 Nbd7 7. f4 Nxe5 8. fxe5 Ng4 9. Qd2 Bd7 10. Qf4 h6 11. Bxe7 Qxe7 12. h5 0-0-0 13. e3 Qg5 14. Nd1 Be8 15. c4 c6 16. Be2 Bxh5 17. Rc1 Kb8 18. cxd5 cxd5 19. Rc3 Qxf4 20. exf4 Bf7 21. Bxg4 fxg4 22. Ne3 h5 23. g3 Bg6 24. Kd2 Rc8 25. Rhc1 Rxc3 26. Rxc3 Rc8 27. Rxc8+ Kxc8 28. Nd1 Be8 29. Ne3 g6 30. Ng2 Kd8 31. Nh4 Ke7 32. Kc3 Kf7 33. Kb4 b6 34. Kc3 Kg7 35. b4 Kh6 36. Kb3 Bb5 37. a4 Bc4+ 38. Ka3 g5 39. fxg5+ Kxg5 40. a5 bxa5 41. bxa5 Bf1 42. Kb4 Kh6 43. Kc3 Kg7 44. Kd2 Kf7 45. Ke3 Kg7 46. Kf4 Kh6 47. Ke3 Bc4 48. Kf4 Bd3 49. Ke3 Be4 50. Kf4 1/2-1/2

[Event "Potsdam Christmas 35th"]
[Site "Potsdam"]
[Date "2010.12.28"]
[Round "3.23"]
[White "Schroeder, Detlef"]
[Black "Wiezer, Siegfried"]
[Result "0-1"]
[ECO "E36"]
[WhiteElo "1771"]
[BlackElo "2014"]
[PlyCount "70"]
[EventDate "2010.12.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Nc6 7. e3 Ne4 8. Qc2 f5 9. b3 0-0 10. Nf3 Bd7 11. Bd3 Rc8 12. Bd2 Qe7 13. b4 Nxd2 14. Qxd2 Nd8 15. Ne5 Nf7 16. Nxf7 Rxf7 17. c5 e5 18. dxe5 Qxe5 19. Rc1 f4 20. Qc2 fxe3 21. Bxh7+ Kh8 22. f3 Rcf8 23. Bd3 Rf4 24. Ke2 Qg5 25. Rcg1 Rd4 26. g3 Bf5 27. Rd1 Bh3 28. f4 Qg4+ 29. Ke1 Rdxf4 30. Be2 Qg5 31. Qd3 R4f5 32. Qd4 Bg2 33. Rg1 Be4 34. h4 Qh6 35. Rc1 Rf2 0-1

[Event "Potsdam Christmas 35th"]
[Site "Potsdam"]
[Date "2010.12.28"]
[Round "4.17"]
[White "Wiezer, Siegfried"]
[Black "Binder, Thomas"]
[Result "1-0"]
[ECO "D61"]
[WhiteElo "2014"]
[BlackElo "1885"]
[PlyCount "57"]
[EventDate "2010.12.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. Bg5 e6 4. e3 Be7 5. Bd3 0-0 6. c4 c6 7. Nc3 Nbd7 8. Qc2 dxc4 9. Bxc4 h6 10. Bh4 Nd5 11. Bxe7 Qxe7 12. g4 Nxc3 13. Qxc3 c5 14. 0-0-0 a6 15. Be2 b5 16. g5 h5 17. Kb1 Bb7 18. Qd3 e5 19. dxc5 Nxc5 20. Qa3 Rac8 21. Rhf1 Qe6 22. Nd2 Qf5+ 23. Ka1 Rfd8 24. Bxh5 Nd3 25. f3 Rc2 26. Nb1 Qd7 27. Bg4 Qd5 28. Bf5 b4 29. Qxd3 1-0

[Event "Potsdam Christmas 35th"]
[Site "Potsdam"]
[Date "2010.12.27"]
[Round "1.21"]
[White "Rosenau, Kurt"]
[Black "Wiezer, Siegfried"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "1629"]
[BlackElo "2014"]
[PlyCount "87"]
[EventDate "2010.12.27"]
[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. c3 d5 3. exd5 Qxd5 4. Nf3 e5 5. Bb5+ Bd7 6. Bxd7+ Nxd7 7. 0-0 Be7 8. d4 cxd4 9. cxd4 e4 10. Nc3 Qc6 11. d5 Qg6 12. Nd2 f5 13. Nb3 Ngf6 14. d6 Bd8 15. Nd5 0-0 16. Nf4 Qf7 17. Nd4 Ng4 18. Nfe6 Re8 19. Nc7 Bxc7 20. dxc7 Nde5 21. h3 Nf6 22. Nxf5 Qxc7 23. Qb3+ Kh8 24. Bf4 Qd7 25. Bxe5 Rxe5 26. Ne3 Rb5 27. Qc2 Rc8 28. Qe2 Rg5 29. Kh1 Nh5 30. Ng4 Re8 31. Qe3 Rd5 32. Rae1 b6 33. b3 h6 34. Nxh6 gxh6 35. Qxh6+ Qh7 36. Qc6 Rde5 37. Rd1 R5e6 38. Qc3+ Qg7 39. Qe3 Rg6 40. Rd5 Nf6 41. Rf5 Rxg2 42. Rxf6 Rg5 43. Qf4 Rg8 44. Qh4+ 1-0

[Event "Potsdam Christmas 35th"]
[Site "Potsdam"]
[Date "2010.12.27"]
[Round "2.29"]
[White "Wiezer, Siegfried"]
[Black "Schwedek, Tony"]
[Result "1-0"]
[ECO "D27"]
[WhiteElo "2014"]
[BlackElo "1456"]
[PlyCount "55"]
[EventDate "2010.12.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 d5 3. c4 dxc4 4. Nc3 a6 5. a4 e6 6. e3 c5 7. Bxc4 Nc6 8. 0-0 Be7 9. d5 exd5 10. Nxd5 Nxd5 11. Bxd5 Nb4 12. Bc4 Qxd1 13. Rxd1 Bf5 14. Bd2 Bf6 15. e4 Bg6 16. e5 Be7 17. Bf4 0-0 18. Rd7 Rfe8 19. Rxb7 Nd3 20. Be3 Rab8 21. Rd7 Nxb2 22. Bxa6 Rbd8 23. Rxd8 Rxd8 24. Bb5 c4 25. Bd4 Rxd4 26. Nxd4 c3 27. Rc1 Bb4 28. Nc6 1-0

[Event "Berlin Lichtenrade op 06th"]
[Site "Berlin"]
[Date "2010.10.18"]
[Round "3"]
[White "Wiezer, Siegfried"]
[Black "Meissner, Hans Juergen"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "2034"]
[BlackElo "2233"]
[PlyCount "138"]
[EventDate "2010.10.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 138 Extra"]
[Source "ChessBase"]
[SourceDate "2010.10.29"]
[SourceVersion "1"]
[SourceVersionDate "2010.10.29"]
[SourceQuality "1"]

1. Nf3 Nf6 2. b3 g6 3. Bb2 Bg7 4. e3 0-0 5. Be2 d6 6. d4 Nbd7 7. Nbd2 b6 8. c4 e6 9. Qc2 Bb7 10. 0-0 c5 11. Ne1 Qc7 12. Rc1 Rfe8 13. Bd3 Rac8 14. Qd1 Qb8 15. f4 cxd4 16. exd4 d5 17. g3 Red8 18. Nef3 Ne8 19. Qe2 Nd6 20. Ne5 dxc4 21. bxc4 Nf8 22. h4 Ba8 23. Kh2 Qb7 24. Bc3 Nf5 25. Bxf5 exf5 26. d5 Qa6 27. Rfe1 Re8 28. Qd3 Rcd8 29. Qb1 b5 30. cxb5 Qb6 31. Rf1 Bxd5 32. Rce1 Qc7 33. Ba1 Ne6 34. Rc1 Qa5 35. Ndc4 Qc7 36. Na3 Qb6 37. Nec4 Bxc4 38. Nxc4 Qb7 39. Bxg7 Nxg7 40. Qb2 Nh5 41. Ne5 Nf6 42. Nc6 Ng4+ 43. Kh3 Rd3 44. Rfd1 Rde3 45. Rc2 h5 46. a4 R3e4 47. Nd8 Qb6 48. a5 Qxa5 49. Nb7 Qb4 50. Nd6 Qxb2 51. Rxb2 Re2 52. Rdd2 Rxd2 53. Rxd2 Rd8 54. Nc4 Rxd2 55. Nxd2 Ne3 56. Nb3 Nd1 57. Kg2 Nc3 58. Nd4 Kf8 59. Kf2 Ke8 60. Ke3 Kd7 61. Kd3 Ne4 62. Nc6 Kc7 63. Nxa7 Kb6 64. Nc6 Kxb5 65. Ne5 Nd6 66. Kd4 Kb6 67. Kd5 Kc7 68. Nxf7 Nxf7 69. Ke6 Nd6 0-1

[Event "Potsdam Christmas 34th"]
[Site "Potsdam"]
[Date "2010.01.01"]
[Round "7.11"]
[White "Meyer, Jens Uwe"]
[Black "Wiezer, Siegfried"]
[Result "0-1"]
[ECO "C28"]
[WhiteElo "1806"]
[BlackElo "2037"]
[PlyCount "88"]
[EventDate "2009.12.27"]
[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 d6 2. Bc4 Nf6 3. d3 c6 4. Bb3 e5 5. f4 Nbd7 6. Nf3 Be7 7. 0-0 exf4 8. Bxf4 Nc5 9. Nc3 Nxb3 10. axb3 0-0 11. Qd2 d5 12. e5 Nh5 13. Be3 f6 14. exf6 Nxf6 15. Kh1 b6 16. Bg5 d4 17. Bxf6 Bxf6 18. Ne4 Be7 19. Nfg5 h6 20. Nf3 Qd5 21. Qe2 Bg4 22. Ned2 Qd7 23. Qe4 Bxf3 24. Rxf3 Bf6 25. Qe2 Rae8 26. Ne4 Be7 27. Raf1 c5 28. Kg1 Rxf3 29. Rxf3 Bg5 30. Qf1 Be3+ 31. Kh1 Qe7 32. g3 a5 33. c4 Ra8 34. Qa1 Qd7 35. Qa4 Qg4 36. Kg2 Rf8 37. Rxf8+ Kxf8 38. Qc6 Qe2+ 39. Kh3 Qf1+ 40. Kg4 h5+ 41. Kh4 Qf5 42. Qd6+ Kf7 43. Qc7+ Kg6 44. h3 Bg5+ 0-1

[Event "Potsdam Christmas 34th"]
[Site "Potsdam"]
[Date "2009.12.29"]
[Round "5.3"]
[White "Trenner, Rolf"]
[Black "Wiezer, Siegfried"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2280"]
[BlackElo "2037"]
[PlyCount "22"]
[EventDate "2009.12.27"]
[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. g3 d5 3. Bg2 c6 4. Nf3 Bg4 5. Nbd2 Nbd7 6. 0-0 e6 7. Ne5 Nxe5 8. dxe5 Nd7 9. f4 h5 10. Nf3 Bc5+ 11. e3 g5 1/2-1/2

[Event "Potsdam Christmas 34th"]
[Site "Potsdam"]
[Date "2009.12.28"]
[Round "3.2"]
[White "Rietze, Clemens"]
[Black "Wiezer, Siegfried"]
[Result "1-0"]
[ECO "B09"]
[WhiteElo "2186"]
[BlackElo "2037"]
[PlyCount "34"]
[EventDate "2009.12.27"]
[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 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 0-0 6. Bd3 c6 7. 0-0 b5 8. e5 dxe5 9. fxe5 Nd5 10. Qe1 Nxc3 11. bxc3 Bg4 12. Qh4 Bxf3 13. Rxf3 f5 14. Bg5 Qa5 15. Rh3 h5 16. Bxe7 Qxc3 17. Rf1 Qd2 1-0

[Event "Potsdam Christmas 34th"]
[Site "Potsdam"]
[Date "2009.12.28"]
[Round "4.9"]
[White "Wiezer, Siegfried"]
[Black "Brinckmann, Dieter"]
[Result "1-0"]
[ECO "E12"]
[WhiteElo "2037"]
[BlackElo "1819"]
[PlyCount "68"]
[EventDate "2009.12.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bg5 Be7 4. c4 0-0 5. Nc3 b6 6. e4 d6 7. Be2 Nbd7 8. Qc2 h6 9. Bh4 Bb7 10. 0-0 Nh5 11. Bxe7 Qxe7 12. g3 Nhf6 13. Nh4 Nh7 14. f4 g5 15. Ng2 f5 16. exf5 Rxf5 17. Bd3 Rf7 18. Be4 c6 19. Rae1 Nhf6 20. fxg5 hxg5 21. Bf5 Nf8 22. Bg6 Rg7 23. Bd3 Re8 24. Ne3 Qd7 25. Rxf6 c5 26. dxc5 dxc5 27. Rd1 Qe7 28. Ng4 Rd8 29. Be4 Bxe4 30. Nxe4 Nh7 31. Rxd8+ Qxd8 32. Nh6+ Kh8 33. Nf7+ Rxf7 34. Rxf7 Qd4+ 1-0

[Event "Potsdam Christmas 34th"]
[Site "Potsdam"]
[Date "2009.12.27"]
[Round "1.19"]
[White "Werthmann, Nils"]
[Black "Wiezer, Siegfried"]
[Result "0-1"]
[ECO "B08"]
[WhiteElo "1501"]
[BlackElo "2037"]
[PlyCount "62"]
[EventDate "2009.12.27"]
[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 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Bc4 0-0 6. 0-0 c6 7. d5 b5 8. Bb3 b4 9. Ne2 c5 10. c4 Nxe4 11. Qc2 Nf6 12. Rb1 Bf5 13. Qd1 Bxb1 14. Bg5 Bf5 15. h3 Ne4 16. Qc1 Nxg5 17. Nxg5 a5 18. Ba4 Nd7 19. Qd2 Nb6 20. Bb5 Bd7 21. Bxd7 Qxd7 22. b3 a4 23. Nf4 axb3 24. axb3 Qf5 25. Nf3 Bh6 26. g3 Bxf4 27. Qxf4 Qxf4 28. gxf4 Ra3 29. Rb1 Rfa8 30. Kg2 Ra1 31. Rb2 R8a2 0-1

[Event "Potsdam Christmas 34th"]
[Site "Potsdam"]
[Date "2009.12.27"]
[Round "2.15"]
[White "Wiezer, Siegfried"]
[Black "Heinrich, Daniela"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2037"]
[BlackElo "1421"]
[PlyCount "89"]
[EventDate "2009.12.27"]
[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. Nf3 e6 3. Bf4 Bd6 4. Bg3 f5 5. e3 Nf6 6. c4 c6 7. Nc3 Bxg3 8. hxg3 Ne4 9. Ne5 Nf6 10. Be2 0-0 11. Qc2 Qc7 12. g4 Nbd7 13. g5 Nxe5 14. gxf6 Nxc4 15. fxg7 Qxg7 16. 0-0-0 Rf6 17. g4 Rg6 18. Rh2 Bd7 19. Rdh1 h6 20. Nd1 Rf8 21. gxf5 exf5 22. Bxc4 dxc4 23. Qxc4+ Be6 24. Qd3 Bd5 25. Re1 Rg2 26. Rh4 Rf6 27. Rf4 Qf7 28. b3 Be4 29. Qf1 Rg4 30. Qh3 Rxf4 31. exf4 Rg6 32. Nc3 Bg2 33. Qe3 h5 34. Qe5 a6 35. Qb8+ Kg7 36. Qe8 Qf6 37. Qe7+ Kh6 38. Re5 h4 39. Nd1 h3 40. Ne3 h2 41. Nxf5+ Qxf5 42. Rxf5 h1Q+ 43. Kb2 Be4 44. Qf8+ Rg7 45. Rg5 1-0

[Event "Schneeberg op"]
[Site "Schneeberg"]
[Date "2009.03.13"]
[Round "7"]
[White "Faber, Lutz"]
[Black "Wiezer, Siegfried"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1749"]
[BlackElo "2030"]
[PlyCount "52"]
[EventDate "2009.03.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. Nc3 d5 2. e4 d4 3. Nce2 e5 4. Ng3 Nf6 5. Bc4 Bd6 6. d3 Nc6 7. a3 Be6 8. Bxe6 fxe6 9. Nh3 Qe7 10. Bd2 0-0 11. 0-0 Rae8 12. Qe2 b5 13. f4 exf4 14. Bxf4 Ne5 15. Bg5 h6 16. Bxf6 Rxf6 17. Nh5 Rxf1+ 18. Rxf1 Rf8 19. Rxf8+ Qxf8 20. N3f4 Qf7 21. Qf2 g5 22. Nxe6 Qxh5 23. Nxd4 Bc5 24. c3 Qd1+ 25. Qf1 Qxd3 26. Qf2 Qb1+ 0-1

[Event "Schneeberg op"]
[Site "Schneeberg"]
[Date "2009.03.12"]
[Round "5"]
[White "Kindl, Bjoern"]
[Black "Wiezer, Siegfried"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "1443"]
[BlackElo "2030"]
[PlyCount "43"]
[EventDate "2009.03.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. Nc3 d5 2. e4 d4 3. Nce2 e5 4. Ng3 Nf6 5. Nf3 Qd6 6. Bc4 h6 7. d3 Bd7 8. Bd2 b5 9. Bb3 a5 10. a3 c5 11. 0-0 Nc6 12. a4 b4 13. Nh4 g5 14. Nhf5 Qc7 15. Nh5 Nxh5 16. Qxh5 Bxf5 17. exf5 Qe7 18. Bd5 Rc8 19. f4 Qd7 20. Bxc6 Rxc6 21. fxe5 Kd8 22. Bxg5+ 1-0

[Event "Schneeberg op"]
[Site "Schneeberg"]
[Date "2009.03.12"]
[Round "6"]
[White "Wiezer, Siegfried"]
[Black "Coder, Thorsten"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2030"]
[BlackElo "1986"]
[PlyCount "93"]
[EventDate "2009.03.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. Nf3 d5 2. b4 c6 3. e3 Bf5 4. a3 e6 5. c4 Bd6 6. Bb2 Nf6 7. Be2 Nbd7 8. d4 a6 9. Nbd2 Ne4 10. 0-0 0-0 11. Qe1 Qf6 12. Nxe4 Bxe4 13. Nd2 Qh6 14. f4 f5 15. Nxe4 fxe4 16. Kh1 Kh8 17. b5 g5 18. g3 gxf4 19. gxf4 Rg8 20. bxa6 bxa6 21. Rg1 Rxg1+ 22. Qxg1 Rg8 23. Qf2 Rb8 24. Bd1 Be7 25. Ba4 Bh4 26. Qe2 Nb6 27. Bxc6 Nxc4 28. Bc1 Rg8 29. Ra2 Qg7 30. Qf1 Be7 31. Ba4 Qf8 32. Bd7 Qf5 33. Ba4 Nd6 34. Rg2 Rxg2 35. Qxg2 Nc4 36. Bd1 Nxa3 37. Bg4 Qg6 38. Qh3 Nc2 39. Bxe6 Ne1 40. Bxd5 Nd3 41. Qc8+ Kg7 42. Qg8+ Kf6 43. Qe6+ Kg7 44. Qxe7+ Kh6 45. Qh4+ Kg7 46. Ba3 Qb6 47. Qg5+ 1-0

[Event "Schneeberg op"]
[Site "Schneeberg"]
[Date "2009.03.11"]
[Round "4"]
[White "Wiezer, Siegfried"]
[Black "Laubsch, Bernd"]
[Result "0-1"]
[ECO "A35"]
[WhiteElo "2030"]
[BlackElo "2285"]
[PlyCount "40"]
[EventDate "2009.03.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. Nf3 g6 2. d4 Bg7 3. e3 Nf6 4. Be2 0-0 5. c4 d5 6. 0-0 c5 7. Nc3 cxd4 8. exd4 Nc6 9. cxd5 Nxd5 10. Qb3 Be6 11. Qd1 h6 12. Ne4 Qb6 13. Nc5 Bg4 14. Be3 Rfd8 15. Na4 Qb4 16. a3 Qd6 17. Nc5 Rab8 18. Qa4 Nxe3 19. fxe3 Bxf3 20. Rxf3 Nxd4 0-1

[Event "Schneeberg op"]
[Site "Schneeberg"]
[Date "2009.03.10"]
[Round "3"]
[White "Fuchs, Florian"]
[Black "Wiezer, Siegfried"]
[Result "0-1"]
[ECO "E27"]
[WhiteElo "1878"]
[BlackElo "2030"]
[PlyCount "60"]
[EventDate "2009.03.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 d5 5. a3 Bxc3+ 6. bxc3 0-0 7. e3 Nc6 8. Qc2 Re8 9. Bd3 Na5 10. cxd5 exd5 11. Ne2 c5 12. 0-0 c4 13. Bf5 Nb3 14. Bxc8 Nxa1 15. Qb1 Nb3 16. Bf5 Qe7 17. Kf2 Rad8 18. Ng3 g6 19. Bc2 Rd6 20. Bxb3 Rb6 21. Re1 Rxb3 22. Qc2 h5 23. h4 Nd7 24. e4 Nb6 25. e5 Na4 26. Re3 Qxh4 27. f4 Qg4 28. f5 h4 29. f6 hxg3+ 30. Rxg3 Qxg3+ 0-1

[Event "Schneeberg op"]
[Site "Schneeberg"]
[Date "2009.03.10"]
[Round "2"]
[White "Wiezer, Siegfried"]
[Black "Melamed, Tatiana"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "2030"]
[BlackElo "2293"]
[PlyCount "65"]
[EventDate "2009.03.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. Nf3 Nf6 2. b4 c6 3. e3 Qb6 4. a3 a5 5. bxa5 Rxa5 6. d4 d5 7. Bd2 Ra8 8. c4 e6 9. c5 Qc7 10. Qb3 Nbd7 11. Be2 e5 12. 0-0 Be7 13. Nc3 0-0 14. Na4 Ne4 15. Bb4 exd4 16. exd4 Bf6 17. Rad1 Re8 18. Rfe1 Rb8 19. Bd3 Nf8 20. Qc2 Bg4 21. Bxe4 dxe4 22. Rxe4 Bf5 23. Rde1 Bxe4 24. Rxe4 Rxe4 25. Qxe4 Ne6 26. Nb6 Qf4 27. Qxf4 Nxf4 28. Nd7 Ra8 29. Nxf6+ gxf6 30. Kf1 Nd5 31. Ne1 Nxb4 32. axb4 Ra2 33. Nf3 0-1

[Event "Schneeberg op"]
[Site "Schneeberg"]
[Date "2009.03.09"]
[Round "1"]
[White "Schoenfelder, Claus"]
[Black "Wiezer, Siegfried"]
[Result "0-1"]
[ECO "C42"]
[WhiteElo "1542"]
[BlackElo "2030"]
[PlyCount "64"]
[EventDate "2009.03.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 d6 2. Nf3 Nf6 3. d3 e5 4. Be2 c5 5. Nc3 Nc6 6. Bg5 Be7 7. Bxf6 Bxf6 8. Nd5 Qa5+ 9. Qd2 Bd8 10. Qxa5 Bxa5+ 11. c3 0-0 12. 0-0 Be6 13. a3 Bxd5 14. exd5 Ne7 15. c4 Bd8 16. b4 b6 17. b5 Ng6 18. g3 f5 19. Rfd1 Bf6 20. Rab1 Rae8 21. Ne1 Re7 22. a4 e4 23. dxe4 fxe4 24. Ng2 Bd4 25. Rf1 Ref7 26. Bg4 Rxf2 27. Rxf2 Rxf2 28. Kh1 Ra2 29. Re1 Rxa4 30. Rxe4 Rxc4 31. Nf4 Rc1+ 32. Kg2 Ne5 0-1

[Event "Berlin Unicorn op"]
[Site "Berlin"]
[Date "2008.05.04"]
[Round "7"]
[White "Wiezer, Siegfried"]
[Black "Huelss, Alexander"]
[Result "1-0"]
[ECO "D03"]
[WhiteElo "2042"]
[PlyCount "41"]
[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. Nf3 Nf6 3. Bg5 Nbd7 4. e3 e6 5. Bd3 h6 6. Bh4 Be7 7. Nbd2 0-0 8. c3 c5 9. Rc1 Qc7 10. e4 dxe4 11. Nxe4 Nxe4 12. Bxe7 Nxf2 13. Kxf2 Re8 14. Bh4 e5 15. Re1 Qb6 16. Qb3 Qc7 17. Bg3 Qc6 18. dxe5 a6 19. Bc4 Rf8 20. e6 fxe6 21. Rxe6 1-0

[Event "Berlin Unicorn op"]
[Site "Berlin"]
[Date "2008.05.03"]
[Round "6"]
[White "Seehagen, Jan"]
[Black "Wiezer, Siegfried"]
[Result "1-0"]
[ECO "B07"]
[BlackElo "2042"]
[PlyCount "34"]
[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 d6 2. d4 Nf6 3. Nc3 c6 4. Bd3 e5 5. Nge2 Nbd7 6. 0-0 Be7 7. a3 a5 8. h3 0-0 9. Be3 exd4 10. Nxd4 Nc5 11. Nf5 Bxf5 12. exf5 Nxd3 13. Qxd3 d5 14. Rad1 Qc7 15. Ne2 b5 16. Bf4 Qd7 17. g4 Ne4 1-0

[Event "Berlin Unicorn op"]
[Site "Berlin"]
[Date "2008.05.03"]
[Round "5"]
[White "Wiezer, Siegfried"]
[Black "Beier, Alf Gert"]
[Result "1-0"]
[ECO "A85"]
[WhiteElo "2042"]
[PlyCount "60"]
[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. Nf3 g6 2. d4 Bg7 3. c4 f5 4. Nc3 Nf6 5. e3 c6 6. Be2 d6 7. Qc2 Be6 8. Ng5 Qd7 9. d5 cxd5 10. Nxe6 Qxe6 11. cxd5 Qc8 12. Qa4+ Nbd7 13. Bd2 0-0 14. Rc1 Nb6 15. Qb3 Ne4 16. Nxe4 Qxc1+ 17. Bxc1 fxe4 18. Bd2 Rf5 19. Bg4 Rg5 20. Be6+ Kh8 21. 0-0 Rf8 22. a4 Rb8 23. a5 Na8 24. Rc1 b6 25. g4 h5 26. h4 Rxg4+ 27. Bxg4 hxg4 28. Rc4 Be5 29. Qc2 Rg8 30. Rc8 bxa5 1-0

[Event "Berlin Unicorn op"]
[Site "Berlin"]
[Date "2008.05.02"]
[Round "4"]
[White "Rogasch, Miriam"]
[Black "Wiezer, Siegfried"]
[Result "1/2-1/2"]
[ECO "B07"]
[BlackElo "2042"]
[PlyCount "97"]
[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 d6 2. d4 Nf6 3. Nc3 c6 4. f4 Qa5 5. Bd3 Qb4 6. Nf3 Bg4 7. a3 Bxf3 8. axb4 Bxd1 9. Kxd1 e5 10. Be3 Ng4 11. Ke2 Nxe3 12. Kxe3 exd4+ 13. Kxd4 Nd7 14. Rhd1 Be7 15. b5 Bf6+ 16. Ke3 Bxc3 17. bxc3 cxb5 18. Bxb5 a6 19. Rxd6 Rd8 20. Rxd7 Rxd7 21. Bxd7+ Kxd7 22. g3 Ra8 23. Kd4 Kc6 24. c4 b6 25. e5 Rd8+ 26. Kc3 a5 27. f5 Kc5 28. Rb1 h5 29. h3 g6 30. g4 hxg4 31. hxg4 gxf5 32. gxf5 Rh8 33. Rb5+ Kc6 34. Rd5 Rh5 35. f6 Rf5 36. Kd3 Rf3+ 37. Ke4 Rf2 38. c3 a4 39. Rd8 Re2+ 40. Kf4 a3 41. Ra8 a2 42. Kf5 Kb7 43. Ra4 Kc6 44. Ra8 b5 45. cxb5+ Kxb5 46. e6 fxe6+ 47. Kf4 Rf2+ 48. Ke5 Kc4 49. f7 1/2-1/2

[Event "Berlin Unicorn op"]
[Site "Berlin"]
[Date "2008.05.01"]
[Round "2"]
[White "Vollmar, Torsten"]
[Black "Wiezer, Siegfried"]
[Result "1/2-1/2"]
[ECO "B15"]
[BlackElo "2042"]
[PlyCount "143"]
[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 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Ng3 Qb6 6. c3 Nbd7 7. Nf3 e6 8. Bc4 Be7 9. 0-0 0-0 10. Qb3 Qxb3 11. Bxb3 c5 12. Be3 b6 13. Ne5 Nxe5 14. dxe5 Ng4 15. Rfe1 Nxe5 16. Bxc5 Nf3+ 17. gxf3 Bxc5 18. Ne4 Be7 19. Rad1 Rd8 20. Rxd8+ Bxd8 21. Rd1 Be7 22. Nd6 Ba6 23. Bc4 Bxc4 24. Nxc4 Rd8 25. Rxd8+ Bxd8 26. Ne5 Bc7 27. Nc6 a5 28. a4 Kf8 29. Nd4 Ke7 30. h3 Bf4 31. Kf1 Kd6 32. Ke2 Kc5 33. Kd3 Bg5 34. b3 Bh4 35. Ke3 Bf6 36. Ne2 b5 37. axb5 Kxb5 38. Kd3 Kc5 39. Ng3 Be7 40. Ke4 f5+ 41. Kd3 g6 42. Ke2 Kb5 43. Kd3 Bc5 44. Ke2 a4 45. bxa4+ Kxa4 46. Ke1 Kb3 47. Ne2 e5 48. Kf1 Kc4 49. Ng3 Kxc3 50. Ke2 Kc2 51. Nf1 Kc3 52. Ng3 h5 53. Nf1 Bd4 54. Ng3 Kc4 55. Nf1 Kd5 56. Nd2 Ke6 57. Kf1 Kf6 58. Kg2 Kg5 59. Kg3 h4+ 60. Kg2 Kf4 61. Nc4 e4 62. fxe4 fxe4 63. Na3 g5 64. Nc2 Bc5 65. Ne1 Bb4 66. Nc2 Bd2 67. Nd4 Ke5 68. Ne2 Kd5 69. f3 e3 70. f4 gxf4 71. Nxf4+ Ke4 72. Ne2 1/2-1/2

[Event "Berlin Unicorn op"]
[Site "Berlin"]
[Date "2008.05.01"]
[Round "3"]
[White "Wiezer, Siegfried"]
[Black "Schoenberger, Kay"]
[Result "0-1"]
[ECO "A06"]
[WhiteElo "2042"]
[BlackElo "1922"]
[PlyCount "91"]
[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. Nf3 Nf6 2. b3 d5 3. Bb2 c5 4. e3 Nc6 5. Bb5 e6 6. 0-0 Bd6 7. Ne5 Qc7 8. f4 a6 9. Bxc6+ bxc6 10. Nf3 0-0 11. Qe1 Nd7 12. Nc3 e5 13. Ne2 exf4 14. exf4 Re8 15. Qg3 d4 16. Rae1 Nf6 17. Qh4 Bf5 18. d3 Nd5 19. Bc1 Nb4 20. Ng3 Bg6 21. Ne4 Bxe4 22. dxe4 Nxc2 23. Re2 Nb4 24. e5 Bf8 25. Ng5 h6 26. Ne4 Qd8 27. Qg3 Kh8 28. Kh1 Qd5 29. Rd1 f5 30. Nf2 Qf7 31. Nd3 Nxd3 32. Qxd3 g6 33. Rc2 Reb8 34. Bd2 a5 35. Rc4 Rb7 36. Ra4 Rba7 37. Qe2 Qe6 38. Qe1 Be7 39. Rc1 Qd5 40. Rcc4 Bd8 41. Qc1 Bb6 42. a3 Qe4 43. h3 Qd3 44. b4 axb4 45. Rxa7 Rxa7 46. axb4 0-1

[Event "Berlin Unicorn op"]
[Site "Berlin"]
[Date "2008.04.30"]
[Round "1"]
[White "Wiezer, Siegfried"]
[Black "Brener, Ilja"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "2042"]
[BlackElo "2423"]
[PlyCount "74"]
[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. Nf3 d5 2. b4 c6 3. e3 e5 4. Nxe5 Bxb4 5. f4 Nf6 6. Be2 0-0 7. 0-0 d4 8. c3 dxc3 9. Nxc3 Bxc3 10. dxc3 Be6 11. Qc2 Nd5 12. c4 Nc7 13. f5 Bc8 14. Bb2 f6 15. Ng4 Nd7 16. Rf4 Qe7 17. Raf1 Na6 18. Re4 Qd8 19. Rd1 Nac5 20. Red4 Qe7 21. e4 Re8 22. Bf3 b6 23. Rd6 Bb7 24. e5 fxe5 25. f6 Nxf6 26. Nxe5 Rad8 27. Rxd8 Rxd8 28. Rxd8+ Qxd8 29. Nxc6 Qe8 30. Ne5 Bxf3 31. gxf3 Qh5 32. Qd2 h6 33. Qf4 Ne6 34. Qd2 Qf5 35. Qd1 Nh5 36. Bc3 Nhf4 37. Ng4 Qc5+ 0-1

[Event "Berlin Unicorn op"]
[Site "Berlin"]
[Date "2007.05.20"]
[Round "7"]
[White "Tsoumanis, Konstantinos"]
[Black "Wiezer, Siegfried"]
[Result "0-1"]
[ECO "D02"]
[BlackElo "2115"]
[PlyCount "87"]
[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. Nf3 d5 2. g3 c5 3. Bg2 Nc6 4. d4 e6 5. 0-0 Nf6 6. e3 Bd7 7. Nbd2 b6 8. b3 cxd4 9. Nxd4 Nxd4 10. exd4 Rc8 11. Bb2 Bb4 12. a3 Bc3 13. Bxc3 Rxc3 14. Rc1 Qc8 15. Nb1 Rc7 16. Re1 0-0 17. Nd2 Qa6 18. a4 Rfc8 19. Bf1 Qa5 20. Bd3 Qc3 21. Nf3 Qa5 22. Nd2 b5 23. axb5 Bxb5 24. Bxb5 Qxb5 25. c4 dxc4 26. bxc4 Qb2 27. Qc2 Qxd4 28. Red1 h6 29. Qa2 Qg4 30. Re1 h5 31. Nf1 h4 32. Ne3 Qg6 33. Ng2 hxg3 34. fxg3 Qd3 35. Red1 Qe4 36. Qa5 Qc6 37. Qa2 Qc5+ 38. Kh1 Ne4 39. Rf1 Qd4 40. Ra1 Rd8 41. Rad1 Qxd1 42. Rxd1 Rxd1+ 43. Ne1 Rxe1+ 44. Kg2 0-1

[Event "Berlin Unicorn op"]
[Site "Berlin"]
[Date "2007.05.19"]
[Round "5"]
[White "Kornath, Heinrich"]
[Black "Wiezer, Siegfried"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1838"]
[BlackElo "2115"]
[PlyCount "76"]
[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 d6 2. d4 Nf6 3. Bd3 e5 4. c3 Be7 5. h3 Nbd7 6. Nf3 c6 7. Nbd2 Qc7 8. 0-0 h6 9. Re1 g5 10. Nf1 Nf8 11. N3h2 Ng6 12. Ng3 Be6 13. b4 Nf4 14. Bf1 h5 15. Nf5 Bxf5 16. exf5 Nd7 17. g3 Nd5 18. Qb3 f6 19. c4 N5b6 20. Bb2 Kf8 21. a4 Re8 22. a5 Nc8 23. Be2 exd4 24. Bxd4 c5 25. Be3 d5 26. cxd5 cxb4 27. Bb5 Nd6 28. Bd3 Ne5 29. Bxa7 Nxd3 30. Qxd3 Qd7 31. Re6 Nb5 32. Bb6 Nc3 33. d6 Bd8 34. Bxd8 Qxd8 35. Rae1 Kg7 36. Nf3 Ref8 37. Re7+ Kh6 38. Nxg5 Kxg5 1-0

[Event "Berlin Unicorn op"]
[Site "Berlin"]
[Date "2007.05.19"]
[Round "6"]
[White "Wiezer, Siegfried"]
[Black "Noetzel, Felix"]
[Result "0-1"]
[ECO "D91"]
[WhiteElo "2115"]
[BlackElo "1706"]
[PlyCount "81"]
[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 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d5 5. Bg5 c6 6. e3 0-0 7. Rc1 Nbd7 8. Be2 dxc4 9. Bxc4 c5 10. 0-0 a6 11. a4 cxd4 12. exd4 Nb6 13. Ba2 Bd7 14. a5 Nc8 15. Ne5 Nd6 16. Nxd7 Qxd7 17. Bxf6 Bxf6 18. Nd5 Qf5 19. Rc5 Qe4 20. Nxf6+ exf6 21. Re1 Qf4 22. g3 Qh6 23. Re7 Rfe8 24. Qe2 Qf8 25. Rcc7 Rad8 26. Rxe8 Rxe8 27. Qf3 Re7 28. Rc1 Kg7 29. h4 Qe8 30. Kg2 Qb5 31. Qa3 Qd7 32. Rc5 Nb5 33. Qb4 Qd6 34. Bd5 Rc7 35. Qc4 Re7 36. b4 h5 37. Rc8 Rd7 38. Rc5 Qe7 39. Qd3 Qe1 40. Rc8 Qxb4 41. Qf3 0-1

[Event "Berlin Unicorn op"]
[Site "Berlin"]
[Date "2007.05.18"]
[Round "4"]
[White "Wiezer, Siegfried"]
[Black "Avis, Christophe"]
[Result "1-0"]
[ECO "D03"]
[WhiteElo "2115"]
[BlackElo "1648"]
[PlyCount "37"]
[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 Nf6 3. Bg5 e6 4. e3 Be7 5. Bd3 h6 6. Bf4 0-0 7. Nbd2 c5 8. c3 Nbd7 9. g4 Nxg4 10. h3 Ngf6 11. Rg1 Kh8 12. Ne5 Nxe5 13. dxe5 Ne8 14. Qh5 f5 15. Bxh6 Kg8 16. 0-0-0 Rf7 17. Rg6 Bf8 18. Rdg1 Qc7 19. Bf4 1-0

[Event "Berlin Unicorn op"]
[Site "Berlin"]
[Date "2007.05.17"]
[Round "3"]
[White "Lenz, Tobias"]
[Black "Wiezer, Siegfried"]
[Result "1-0"]
[ECO "D02"]
[BlackElo "2115"]
[PlyCount "106"]
[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 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 c5 5. 0-0 Nc6 6. c3 Be7 7. Nbd2 0-0 8. Re1 cxd4 9. cxd4 Qb6 10. e3 Bd7 11. Ne5 Be8 12. Nxc6 bxc6 13. b3 Bb4 14. Qc2 Nd7 15. Bb2 f5 16. Rec1 Nf6 17. Nf3 a5 18. Ne5 Rc8 19. Nd3 Bd6 20. Nc5 Kf7 21. Bh3 g6 22. Bg2 g5 23. Ba3 Rd8 24. Na4 Qc7 25. Bxd6 Rxd6 26. Nc5 Kg7 27. Nd3 Nd7 28. b4 axb4 29. Nxb4 Nb6 30. Bf1 Qd8 31. a4 Nc8 32. a5 Rf7 33. Qc5 Na7 34. Nd3 Rb7 35. Ne5 Qb8 36. Rcb1 Nc8 37. Rxb7+ Qxb7 38. a6 Qa7 39. Qxa7+ Nxa7 40. Rb1 Nb5 41. Nd3 Rd8 42. Nc5 Kf6 43. Bd3 g4 44. Kg2 Ra8 45. h3 h5 46. hxg4 fxg4 47. Rh1 Bg6 48. f3 gxf3+ 49. Kxf3 Nc7 50. Kf4 Rg8 51. Nd7+ Ke7 52. Ne5 Be8 53. a7 Kd6 1-0

[Event "Berlin Unicorn op"]
[Site "Berlin"]
[Date "2007.05.17"]
[Round "2"]
[White "Wiezer, Siegfried"]
[Black "Heider, Dirk"]
[Result "1-0"]
[ECO "D30"]
[WhiteElo "2115"]
[BlackElo "1862"]
[PlyCount "53"]
[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 Nf6 3. Bg5 e6 4. e3 Nbd7 5. Nbd2 Be7 6. c4 Ne4 7. Nxe4 dxe4 8. Bxe7 Qxe7 9. Nd2 f5 10. f3 Qg5 11. f4 Qe7 12. c5 Nf6 13. Nc4 Bd7 14. Ne5 Nd5 15. Qd2 0-0 16. Bc4 Nf6 17. b4 Rad8 18. Qc2 Be8 19. Qb3 Bf7 20. a4 Nd7 21. Nxf7 Kxf7 22. d5 Nxc5 23. bxc5 Qxc5 24. dxe6+ Ke8 25. 0-0 c6 26. Rfd1 Rxd1+ 27. Rxd1 1-0

[Event "Berlin Unicorn op"]
[Site "Berlin"]
[Date "2007.05.16"]
[Round "1"]
[White "Rabiega, Robert"]
[Black "Wiezer, Siegfried"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2529"]
[BlackElo "2115"]
[PlyCount "39"]
[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 c6 2. d4 d6 3. c3 Nf6 4. Bd3 e5 5. Nf3 Bg4 6. dxe5 Bxf3 7. Qxf3 dxe5 8. 0-0 Nbd7 9. Nd2 Be7 10. Re1 Qc7 11. Nf1 h5 12. a4 Nf8 13. Bc4 Qd7 14. h3 Ng6 15. Bg5 Bd8 16. Rad1 Qc7 17. Ng3 Nf4 18. Nf5 0-0 19. Bxf4 exf4 20. e5 1-0

[Event "Berlin op 05"]
[Site "Berlin"]
[Date "2006.05.28"]
[Round "7"]
[White "Runge, Felix"]
[Black "Wiezer, Siegfried"]
[Result "1/2-1/2"]
[ECO "A53"]
[WhiteElo "1897"]
[BlackElo "2060"]
[PlyCount "133"]
[EventDate "2006.05.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 c6 3. d4 d6 4. Bg5 Qa5 5. Qd2 Bf5 6. e4 Bg6 7. f3 Nbd7 8. Bd3 e5 9. d5 Be7 10. Nge2 h6 11. Be3 Nc5 12. Bc2 cxd5 13. cxd5 b5 14. b4 Qxb4 15. Rb1 Qa5 16. Rxb5 Qc7 17. Na4 Nfd7 18. 0-0 0-0 19. Rd1 Nxa4 20. Bxa4 Nb6 21. Qb4 Rfb8 22. Rb1 Bd8 23. Bxb6 Rxb6 24. Rxb6 Qxb6+ 25. Qxb6 Bxb6+ 26. Kf1 f5 27. exf5 Bxf5 28. Rb2 Bd3 29. Bc2 Ba6 30. Ke1 Ba5+ 31. Kd1 Bb6 32. Kd2 Rc8 33. Bd3 Bb7 34. Be4 Ba5+ 35. Ke3 Ba6 36. h3 Bb6+ 37. Kd2 Rc5 38. Rc2 Rb5 39. Nc3 Ba5 40. Kc1 Bxc3 41. Rxc3 Rc5 42. Rxc5 dxc5 43. h4 Kf7 44. Kc2 Ke7 45. Kc3 Kd6 46. Kb3 g5 47. hxg5 hxg5 48. Kc3 Bb5 49. Kb3 a5 50. Kc3 c4 51. a3 Kc5 52. d6 Kxd6 53. Bb7 Kc5 54. Be4 Bd7 55. Bg6 Be6 56. Be4 g4 57. fxg4 Bxg4 58. Bg6 Be6 59. Be4 Bd7 60. Bf3 Bf5 61. Be2 Be4 62. Bxc4 Bxg2 63. Bd3 Bd5 64. Bf5 Kd6 65. Kd3 Ke7 66. Ke3 Kf6 67. Bd3 1/2-1/2

[Event "Berlin op 05"]
[Site "Berlin"]
[Date "2006.05.27"]
[Round "6"]
[White "Wiezer, Siegfried"]
[Black "Eberlein, Johann"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2060"]
[BlackElo "1810"]
[PlyCount "80"]
[EventDate "2006.05.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 Bf5 4. e3 e6 5. Bd3 Bg6 6. Ne5 c6 7. 0-0 Nbd7 8. c4 Be7 9. Nc3 a6 10. Rc1 Rc8 11. Nxg6 hxg6 12. Qb3 Qb6 13. Qc2 dxc4 14. Bxc4 Nh5 15. Bxe6 fxe6 16. Qxg6+ Kd8 17. Bg5 Nf8 18. Bxe7+ Kxe7 19. Qg5+ Kf7 20. Ne4 Qc7 21. f4 Nf6 22. Ng3 N8h7 23. Qc5 Qe7 24. Qc4 Rhe8 25. e4 Kg8 26. Nf5 Qd7 27. e5 Nd5 28. Nd6 Ne3 29. Qd3 Nxf1 30. Rxf1 Rf8 31. Rf3 Rf7 32. g4 g6 33. Qxg6+ Rg7 34. Qh5 Rf8 35. g5 Nxg5 36. fxg5 Rxf3 37. Qxf3 Rxg5+ 38. Kh1 Qg7 39. Qf2 Qg6 40. h3 Rh5 1/2-1/2

[Event "Berlin op 05"]
[Site "Berlin"]
[Date "2006.05.27"]
[Round "5"]
[White "Zierke, Oliver"]
[Black "Wiezer, Siegfried"]
[Result "1-0"]
[ECO "A53"]
[WhiteElo "2240"]
[BlackElo "2060"]
[PlyCount "45"]
[EventDate "2006.05.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d6 3. c4 c6 4. Nc3 Bg4 5. e4 Nbd7 6. Be2 e5 7. d5 Be7 8. 0-0 Nc5 9. Nd2 Bxe2 10. Qxe2 a5 11. b3 Nfd7 12. Rb1 0-0 13. a3 Nb6 14. Rd1 f5 15. exf5 cxd5 16. cxd5 Rxf5 17. b4 Ncd7 18. Nde4 axb4 19. Rxb4 Nc5 20. Nxc5 dxc5 21. Rb1 Ra6 22. d6 Bxd6 23. Qd3 1-0

[Event "Berlin op 05"]
[Site "Berlin"]
[Date "2006.05.26"]
[Round "4"]
[White "Wiezer, Siegfried"]
[Black "Knopf, Roland"]
[Result "1-0"]
[ECO "E81"]
[WhiteElo "2060"]
[BlackElo "1815"]
[PlyCount "57"]
[EventDate "2006.05.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 Nbd7 7. Qd2 c5 8. d5 Ne5 9. Bh6 Qa5 10. Bxg7 Kxg7 11. f4 Neg4 12. h3 Nh6 13. g4 Nhg8 14. Nf3 b5 15. Nxb5 Qxd2+ 16. Nxd2 a6 17. Nc3 Rb8 18. 0-0-0 Nd7 19. Nf3 Nb6 20. e5 Bd7 21. Rh2 dxe5 22. fxe5 e6 23. Ng5 h6 24. Nge4 exd5 25. Nxc5 Rfe8 26. cxd5 Rxe5 27. Nxd7 Nxd7 28. Bxa6 Ngf6 29. Re2 1-0

[Event "Berlin op 05"]
[Site "Berlin"]
[Date "2006.05.25"]
[Round "3"]
[White "Weigelt, Thomas"]
[Black "Wiezer, Siegfried"]
[Result "0-1"]
[ECO "D01"]
[WhiteElo "1729"]
[BlackElo "2060"]
[PlyCount "50"]
[EventDate "2006.05.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 d5 3. f3 Nbd7 4. Nc3 c6 5. e4 h6 6. Bh4 Qa5 7. e5 Ng8 8. Qd2 e6 9. 0-0-0 b5 10. b3 Bb4 11. Nge2 Qb6 12. Qe3 a5 13. Nb1 c5 14. c3 cxd4 15. Nxd4 Bc5 16. Kb2 b4 17. Qd2 a4 18. Bb5 axb3 19. Bxd7+ Bxd7 20. Nxb3 Be3 21. Qe1 Qa7 22. a4 Bxa4 23. cxb4 Bxb3 24. Kxb3 Qa2+ 25. Kc3 Qc4+ 0-1

[Event "Berlin op 05"]
[Site "Berlin"]
[Date "2006.05.25"]
[Round "2"]
[White "Wiezer, Siegfried"]
[Black "Koch, Friedrich"]
[Result "0-1"]
[ECO "D37"]
[WhiteElo "2060"]
[BlackElo "1684"]
[PlyCount "42"]
[EventDate "2006.05.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 Nbd7 5. e3 Be7 6. Be2 0-0 7. 0-0 b6 8. Nd2 Bb7 9. f4 c5 10. Nf3 dxc4 11. Bxc4 Rc8 12. Qe2 cxd4 13. exd4 Bb4 14. Bd3 Bxc3 15. bxc3 Rxc3 16. Bb2 Rc8 17. Rae1 Nd5 18. Ng5 N7f6 19. Rf3 Nb4 20. Bxh7+ Nxh7 21. Rh3 Nxg5 0-1

[Event "Berlin op 05"]
[Site "Berlin"]
[Date "2006.05.24"]
[Round "1"]
[White "Tong, Lukas Fabian Chuan"]
[Black "Wiezer, Siegfried"]
[Result "0-1"]
[ECO "E21"]
[WhiteElo "1483"]
[BlackElo "2060"]
[PlyCount "100"]
[EventDate "2006.05.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 Ne4 5. Qc2 f5 6. a3 Bxc3+ 7. bxc3 c5 8. Bf4 Qa5 9. Bd2 d6 10. e3 Bd7 11. Bd3 Bc6 12. 0-0 Nd7 13. Qb2 0-0 14. Rfc1 Qd8 15. Qb3 Nxd2 16. Nxd2 b6 17. d5 Ne5 18. Be2 Bd7 19. Nf3 Nxf3+ 20. Bxf3 e5 21. Qc2 Qh4 22. Be2 f4 23. Qe4 Qg5 24. exf4 exf4 25. Qf3 Rae8 26. Re1 Re5 27. Bf1 Rfe8 28. Rxe5 Qxe5 29. Ra2 Qf6 30. Re2 Rf8 31. Re1 g5 32. h3 Qf7 33. Be2 Re8 34. Kf1 Bf5 35. Bd3 Bd7 36. Rxe8+ Qxe8 37. Qe4 Qxe4 38. Bxe4 Kg7 39. Ke2 h6 40. Kf3 Kf6 41. Ke2 Ke5 42. f3 Ba4 43. Bd3 Bb3 44. Kd2 b5 45. cxb5 c4 46. Bc2 Bxc2 47. Kxc2 Kxd5 48. a4 Kc5 49. Kb2 Kb6 50. Ka2 Ka5 0-1

[Event "Berlin Unicorn op"]
[Site "Berlin"]
[Date "2005.05.08"]
[Round "7"]
[White "Dauth, Benjamin"]
[Black "Wiezer, Siegfried"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2266"]
[BlackElo "2143"]
[PlyCount "68"]
[EventDate "2005.05.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 106 Extra"]
[Source "ChessBase"]
[SourceDate "2005.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.07.01"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Bd3 Nc6 4. c3 e5 5. d5 Ne7 6. h4 h5 7. c4 c6 8. Nc3 Ng6 9. g3 Ng4 10. f3 Nh6 11. Be3 c5 12. b4 b6 13. bxc5 bxc5 14. Rb1 Be7 15. Rh2 0-0 16. Rhb2 Qc7 17. Qd2 Kh7 18. Nb5 Qd7 19. Nc3 Qc7 20. Nd1 f5 21. Bxh6 gxh6 22. exf5 Bxf5 23. Rb7 Qc8 24. Nc3 Bxd3 25. Qxd3 Rf7 26. R1b3 Kg7 27. Kd1 Qf8 28. Rd7 e4 29. Qxe4 Ne5 30. Rc7 Re8 31. f4 Ng4 32. Qf3 Rb8 33. Rxa7 Ra8 34. Rxa8 Qxa8 1-0

[Event "Berlin Unicorn op"]
[Site "Berlin"]
[Date "2005.05.07"]
[Round "5"]
[White "Postler, Reinhard"]
[Black "Wiezer, Siegfried"]
[Result "1-0"]
[ECO "B08"]
[WhiteElo "2313"]
[BlackElo "2143"]
[PlyCount "53"]
[EventDate "2005.05.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 106 Extra"]
[Source "ChessBase"]
[SourceDate "2005.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.07.01"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Be2 b6 6. 0-0 0-0 7. e5 Nfd7 8. Bg5 h6 9. Bf4 dxe5 10. dxe5 Nc5 11. Qc1 Kh7 12. Rd1 Qe8 13. Nd4 c6 14. Bf3 Ne6 15. Nxe6 Bxe6 16. Qe3 Na6 17. Rd4 Rh8 18. Rad1 Nc7 19. Be4 Rc8 20. Qe2 b5 21. h4 c5 22. R4d2 b4 23. Nd5 Nxd5 24. Bxd5 Bxd5 25. Rxd5 Qc6 26. Rd7 Rc7 27. e6 1-0

[Event "Berlin Unicorn op"]
[Site "Berlin"]
[Date "2005.05.07"]
[Round "6"]
[White "Wiezer, Siegfried"]
[Black "Eberlein, Johann"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2143"]
[BlackElo "1827"]
[PlyCount "92"]
[EventDate "2005.05.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 106 Extra"]
[Source "ChessBase"]
[SourceDate "2005.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.07.01"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 Bf5 4. e3 e6 5. Bd3 Bg6 6. Ne5 Nbd7 7. Bg5 Be7 8. f4 Ne4 9. Bxe7 Qxe7 10. Nxg6 hxg6 11. Bxe4 dxe4 12. Qe2 Qh4+ 13. g3 Qh5 14. Nc3 Qxe2+ 15. Kxe2 f5 16. Nb5 Kd8 17. Rad1 c6 18. Na3 Rh3 19. Kf2 Kc7 20. Kg2 Rah8 21. Nc4 Nf6 22. Ne5 R8h5 23. Rde1 Rh7 24. Nxg6 Ng4 25. Nh4 R7xh4 26. gxh4 Rxe3 27. h3 Rxe1 28. Rxe1 Nf6 29. c3 Nh5 30. Rf1 Kd6 31. Rf2 Kd5 32. Kf1 e3 33. Rg2 Ke4 34. Rg5 Nxf4 35. Rxg7 e2+ 36. Kf2 Kd3 37. Ke1 Ke3 38. Rg3+ Ke4 39. Kf2 Nd3+ 40. Kxe2 Nxb2 41. h5 f4 42. Rf3 Nc4 43. h6 Nd6 44. h7 Nf7 45. Rf1 Kf5 46. Rg1 c5 1-0

[Event "Berlin Unicorn op"]
[Site "Berlin"]
[Date "2005.05.06"]
[Round "4"]
[White "Wiezer, Siegfried"]
[Black "Zoellner, Rainer"]
[Result "1-0"]
[ECO "D03"]
[WhiteElo "2143"]
[BlackElo "1882"]
[PlyCount "37"]
[EventDate "2005.05.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 106 Extra"]
[Source "ChessBase"]
[SourceDate "2005.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.07.01"]
[SourceQuality "1"]

1. d4 e6 2. Nf3 Nf6 3. Bg5 Be7 4. Nbd2 d5 5. e3 Nbd7 6. Bd3 h6 7. Bf4 0-0 8. a3 c5 9. c3 b6 10. g4 Nh7 11. h4 Re8 12. g5 Bf8 13. Rg1 Kh8 14. Ne5 Nxe5 15. dxe5 g6 16. h5 hxg5 17. hxg6 gxf4 18. g7+ Bxg7 19. Qh5 1-0

[Event "Berlin Unicorn op"]
[Site "Berlin"]
[Date "2005.05.05"]
[Round "3"]
[White "Springer, Guido"]
[Black "Wiezer, Siegfried"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "1996"]
[BlackElo "2143"]
[PlyCount "83"]
[EventDate "2005.05.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 106 Extra"]
[Source "ChessBase"]
[SourceDate "2005.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.07.01"]
[SourceQuality "1"]

1. e4 c6 2. c4 d6 3. d4 Qc7 4. Nc3 e5 5. Nf3 Bg4 6. Be3 Nd7 7. Be2 Be7 8. h3 Bh5 9. Qd2 Ngf6 10. 0-0 Bg6 11. Bd3 exd4 12. Nxd4 Nc5 13. Nf5 Bxf5 14. exf5 Nxd3 15. Qxd3 0-0 16. Bf4 Nd7 17. Rfe1 Ne5 18. Qe2 f6 19. Bg3 Rfe8 20. c5 Bf8 21. Rad1 dxc5 22. Bxe5 Rxe5 23. Qc4+ Kh8 24. Rxe5 fxe5 25. Qe6 Rd8 26. Rxd8 Qxd8 27. Qxe5 Bd6 28. Qe6 h6 29. Ne4 Be7 30. g3 Kh7 31. Kg2 Bf6 32. Nxf6+ Qxf6 33. Qxf6 gxf6 34. Kf3 b5 35. Ke4 a5 36. b3 Kg7 37. h4 h5 38. f3 Kh7 39. g4 Kg7 40. Kd3 Kh6 41. Ke4 Kg7 42. Kd3 1/2-1/2

[Event "Berlin Unicorn op"]
[Site "Berlin"]
[Date "2005.05.05"]
[Round "2"]
[White "Wiezer, Siegfried"]
[Black "Apel, Wolfgang"]
[Result "1/2-1/2"]
[ECO "A59"]
[WhiteElo "2143"]
[BlackElo "1789"]
[PlyCount "112"]
[EventDate "2005.05.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 106 Extra"]
[Source "ChessBase"]
[SourceDate "2005.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.07.01"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 g6 3. c4 c5 4. d5 b5 5. cxb5 a6 6. bxa6 Bxa6 7. Nc3 d6 8. e4 Bxf1 9. Kxf1 Qa5 10. Nd2 Bg7 11. Qe2 Nbd7 12. Nc4 Qa6 13. Bd2 0-0 14. Rd1 Rfb8 15. Bc1 Ne8 16. Na3 Nc7 17. f4 Rb4 18. Nab1 Nb5 19. Nxb5 Qxb5 20. Qxb5 Rxb5 21. e5 dxe5 22. Nc3 Rb4 23. a3 Rd4 24. Re1 f5 25. Nb5 Re4 26. Rxe4 fxe4 27. fxe5 Bxe5 28. Ke2 Bd4 29. Rd1 Bg7 30. Ke3 Nf6 31. Ke2 Rd8 32. Nc3 Kf8 33. Be3 c4 34. Rd4 Rb8 35. Bc1 Nd7 36. Rxc4 Rb3 37. Nxe4 Bxb2 38. Bh6+ Kf7 39. Ng5+ Kf6 40. Re4 Bxa3 41. Nxh7+ Kf5 42. Rf4+ Ke5 43. Rg4 Kxd5 44. Rxg6 e5 45. Be3 Bc5 46. Bxc5 Nxc5 47. Nf6+ Ke6 48. Nh5+ Kf5 49. Rg8 Ne6 50. Ng7+ Nxg7 51. Rxg7 Ke4 52. Rg4+ Kf5 53. h3 Ra3 54. Rg8 Ke4 55. Rg4+ Kf5 56. g3 Ra2+ 1/2-1/2

[Event "Berlin Unicorn op"]
[Site "Berlin"]
[Date "2005.05.04"]
[Round "1"]
[White "Ruecker, Holger"]
[Black "Wiezer, Siegfried"]
[Result "0-1"]
[ECO "B13"]
[BlackElo "2143"]
[PlyCount "67"]
[EventDate "2005.05.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 106 Extra"]
[Source "ChessBase"]
[SourceDate "2005.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.07.01"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Nf3 Nc6 5. Be2 Nf6 6. 0-0 e6 7. Bf4 Be7 8. Nbd2 Qb6 9. Nb3 0-0 10. c3 Bd7 11. Bd3 Rfc8 12. Ne5 Be8 13. Qf3 Bf8 14. Bg5 Nxe5 15. dxe5 Nd7 16. Qh3 g6 17. Rae1 Bg7 18. Be3 Qd8 19. f4 b6 20. g4 Nc5 21. Bc2 Bb5 22. Rf3 Nxb3 23. axb3 a5 24. Bd4 a4 25. f5 exf5 26. gxf5 Qg5+ 27. Rg3 Qd2 28. Bf2 Qxc2 29. f6 Bf8 30. Qh4 Qf5 31. Rh3 h5 32. Ree3 axb3 33. Reg3 Ra1+ 34. Kg2 0-1

[Event "Rostock op 18th"]
[Site "Rostock"]
[Date "1993.??.??"]
[Round "?"]
[White "Ruesch, Hans Joachim"]
[Black "Wiezer, Siegfried"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "2105"]
[BlackElo "1900"]
[PlyCount "61"]
[EventDate "1993.07.21"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Be7 5. Nc3 d5 6. b3 0-0 7. e3 Nbd7 8. Bd3 c5 9. Qc2 b6 10. cxd5 exd5 11. Ne5 Bb7 12. f4 h6 13. g4 Nxe5 14. fxe5 Nxg4 15. Rg1 Nxh2 16. Ke2 f6 17. Bh7+ Kh8 18. Qg6 Rg8 19. Bxg8 Qxg8 20. Qg3 Nf3 21. Qxf3 fxe5 22. Nb5 Rf8 23. Qh5 Ba6 24. a4 e4 25. Raf1 Rxf1 26. Rxf1 Qe6 27. Qf5 Qc6 28. Qh5 Bf6 29. Ke1 Bxb5 30. axb5 Qxb5 31. Rxf6 1-0

[Event "ICCF-Cup6/7 sf23 corr"]
[Site "ICCF corr"]
[Date "1990.??.??"]
[Round "?"]
[White "Kazantsev, Vladimir Leonidovic"]
[Black "Wiezer, Siegfried"]
[Result "1-0"]
[ECO "B00"]
[PlyCount "41"]
[EventDate "1990.??.??"]
[EventType "tourn (corr)"]
[EventRounds "13"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 Nc6 2. d4 d5 3. Nc3 e5 4. Bb5 dxe4 5. d5 a6 6. Ba4 b5 7. Nxb5 axb5 8. Bxb5 Nge7 9. c4 Bd7 10. dxc6 Nxc6 11. Ne2 Nb4 12. Nc3 Nd3+ 13. Kf1 c6 14. Ba4 Bc5 15. Nxe4 Nxf2 16. Nxf2 Qf6 17. Qf3 Qxf3 18. gxf3 Rxa4 19. b3 Bd4 20. bxa4 Bxa1 21. Ba3 1-0

[Event "ICCF-Cup6/7 sf23 corr"]
[Site "ICCF corr"]
[Date "1990.??.??"]
[Round "?"]
[White "Kuhnert, Hermann"]
[Black "Wiezer, Siegfried"]
[Result "1-0"]
[ECO "B00"]
[PlyCount "63"]
[EventDate "1990.??.??"]
[EventType "tourn (corr)"]
[EventRounds "13"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 Nc6 2. Nf3 d6 3. d4 Bg4 4. Nc3 Nf6 5. Be3 Nd7 6. h3 Bh5 7. g4 Bg6 8. d5 Ncb8 9. Bd3 c6 10. Qe2 a5 11. 0-0-0 a4 12. dxc6 Nxc6 13. a3 e6 14. Bb5 Be7 15. Nd2 0-0 16. f4 f6 17. Bxa4 Bf7 18. Bb3 Nc5 19. Ba2 Qb8 20. Kb1 Rc8 21. h4 b5 22. Nxb5 Ra5 23. c4 Na7 24. Nxa7 Rxa7 25. Ka1 Qb7 26. Bxc5 dxc5 27. Nf3 Rb8 28. h5 Ra6 29. g5 Rb6 30. Rd2 Be8 31. gxf6 Bxf6 32. e5 1-0

[Event "ICCF-Cup6/7 sf23 corr"]
[Site "ICCF corr"]
[Date "1990.??.??"]
[Round "?"]
[White "Nedela, Josef"]
[Black "Wiezer, Siegfried"]
[Result "1-0"]
[ECO "B00"]
[PlyCount "55"]
[EventDate "1990.??.??"]
[EventType "tourn (corr)"]
[EventRounds "13"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 Nc6 2. d4 d5 3. Nc3 e5 4. dxe5 d4 5. Nd5 f5 6. Bd3 Nxe5 7. Bf4 Bd6 8. Bb5+ c6 9. Qxd4 Nf7 10. e5 Bb8 11. Qc5 cxb5 12. 0-0-0 Be6 13. Qxb5+ Qd7 14. Nc7+ Bxc7 15. Rxd7 Bxd7 16. Qxb7 Rc8 17. Ne2 Nd8 18. Qa6 Ne6 19. h4 Ne7 20. Rd1 Nxf4 21. Nxf4 Bxe5 22. Nd5 Nc6 23. f4 Bb8 24. b4 Kf7 25. b5 Ne7 26. Qb7 Rhd8 27. Nxe7 Bd6 28. Rxd6 1-0

[Event "ICCF-Cup6/7 sf23 corr"]
[Site "ICCF corr"]
[Date "1990.??.??"]
[Round "?"]
[White "Wiezer, Siegfried"]
[Black "Kopp, Peter"]
[Result "0-1"]
[ECO "B08"]
[PlyCount "82"]
[EventDate "1990.??.??"]
[EventType "tourn (corr)"]
[EventRounds "13"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Be2 0-0 6. 0-0 c6 7. Re1 Nbd7 8. Bf4 Qa5 9. Nd2 Qc7 10. d5 Ne8 11. Bg5 Nb6 12. Nf1 e6 13. dxc6 bxc6 14. Qd2 Bb7 15. f4 h6 16. Bh4 f5 17. Bd3 Nf6 18. Ng3 d5 19. e5 Ne8 20. b4 Rf7 21. Kh1 Bf8 22. Reb1 d4 23. Nce2 c5 24. bxc5 Bxc5 25. Ng1 Nd5 26. Nf3 Nc3 27. Rf1 Bd5 28. Ne2 Nxa2 29. Nexd4 Bb4 30. Qe3 Nc3 31. Be1 Rb8 32. Nb5 Nxb5 33. Bxb4 Bc4 34. Bc5 Bxd3 35. cxd3 Ra8 36. Nh4 Rg7 37. d4 Qd8 38. Nf3 Nec7 39. Qd2 g5 40. fxg5 hxg5 41. Qd3 g4 0-1

[Event "ICCF-Cup6/7 sf23 corr"]
[Site "ICCF corr"]
[Date "1990.??.??"]
[Round "?"]
[White "Wiezer, Siegfried"]
[Black "Maillard, William E"]
[Result "0-1"]
[ECO "A85"]
[PlyCount "44"]
[EventDate "1990.??.??"]
[EventType "tourn (corr)"]
[EventRounds "13"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 e6 2. Nf3 f5 3. c4 d5 4. e3 Nf6 5. Be2 c6 6. 0-0 Bd6 7. Nc3 0-0 8. Ne5 Bxe5 9. dxe5 Ne4 10. Qc2 b6 11. Rd1 Qc7 12. f4 Bb7 13. Nxe4 dxe4 14. Rd6 Na6 15. b3 Qc8 16. Ba3 c5 17. Rad1 Bc6 18. R1d2 Rb8 19. Qd1 g6 20. Bb2 Rb7 21. Rd8 Qc7 22. R8d6 Qc8 0-1

[Event "ICCF-Cup6/7 sf23 corr"]
[Site "ICCF corr"]
[Date "1990.??.??"]
[Round "?"]
[White "Wiezer, Siegfried"]
[Black "Toth, Mihaly"]
[Result "0-1"]
[ECO "B08"]
[PlyCount "56"]
[EventDate "1990.??.??"]
[EventType "tourn (corr)"]
[EventRounds "13"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 Nf6 2. Nf3 g6 3. Nc3 Bg7 4. d4 d6 5. Be2 0-0 6. 0-0 c6 7. Re1 Bg4 8. Be3 Nbd7 9. h3 Bxf3 10. Bxf3 Qc7 11. g3 b5 12. a3 a5 13. Bg2 b4 14. Ne2 e5 15. c3 c5 16. axb4 axb4 17. Rxa8 Rxa8 18. f4 bxc3 19. bxc3 cxd4 20. cxd4 Ra2 21. Nc1 Ra1 22. Qd2 exd4 23. Qb2 Qc3 24. Qxc3 dxc3 25. Rd1 Ne8 26. e5 c2 27. Rd3 dxe5 28. Rxd7 exf4 0-1

[Event "Rostock-B 14th"]
[Site "Rostock"]
[Date "1988.??.??"]
[Round "?"]
[White "Wiezer, Siegfried"]
[Black "Brauer, Christian E"]
[Result "0-1"]
[ECO "A46"]
[WhiteElo "2080"]
[BlackElo "2125"]
[PlyCount "52"]
[EventDate "1988.08.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "DDR"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bg5 c5 4. e3 Qb6 5. Bxf6 Qxb2 6. Nbd2 gxf6 7. Bd3 Nc6 8. dxc5 Bxc5 9. 0-0 f5 10. e4 f4 11. Re1 Qg7 12. e5 Rg8 13. Bf1 b6 14. Qe2 Bb7 15. Qc4 Nd4 16. Qd3 Nxf3+ 17. Nxf3 Qg4 18. Re4 Bxe4 19. Qxe4 Rd8 20. Rd1 h5 21. Kh1 Bxf2 22. h3 Qg6 23. Qxf4 Qxc2 24. Rd2 Qc5 25. Ng5 Rxg5 26. Qxg5 Be3 0-1

[Event "DDR corr"]
[Site "DDR"]
[Date "1988.??.??"]
[Round "?"]
[White "Wiezer, Siegfried"]
[Black "Schmidt"]
[Result "1-0"]
[ECO "C42"]
[PlyCount "63"]
[EventDate "1988.08.04"]
[EventType "tourn (corr)"]
[EventRounds "9"]
[EventCountry "DDR"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Bc4 Nxe4 4. Nc3 Nf6 5. Nxe5 d5 6. Bb3 c6 7. d4 Bd6 8. Qe2 0-0 9. Bg5 Re8 10. 0-0-0 Nbd7 11. f4 Nf8 12. Qf2 Bf5 13. h3 h6 14. Bh4 Ng6 15. Nxg6 Bxg6 16. f5 Bh7 17. Rde1 Qc7 18. Bxf6 Rxe1+ 19. Qxe1 gxf6 20. Rf1 Qe7 21. Qxe7 Bxe7 22. g4 Kg7 23. Ne2 h5 24. Nf4 hxg4 25. hxg4 Rg8 26. c3 Re8 27. Re1 Kf8 28. Kd2 Bd6 29. Rxe8+ Kxe8 30. Ke3 Bf8 31. Bxd5 cxd5 32. Nxd5 1-0

[Event "DDR-ch corr"]
[Site "DDR"]
[Date "1987.??.??"]
[Round "?"]
[White "Broberg, Horst"]
[Black "Wiezer, Siegfried"]
[Result "1/2-1/2"]
[ECO "B00"]
[PlyCount "75"]
[EventDate "1987.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "DDR"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 Nc6 2. Nf3 d6 3. d4 Nf6 4. Nc3 Bg4 5. Bb5 a6 6. Bxc6+ bxc6 7. h3 Bh5 8. Qd3 e6 9. Bg5 h6 10. Bxf6 gxf6 11. 0-0-0 d5 12. g4 Bg6 13. Qe3 a5 14. Nd2 dxe4 15. Ndxe4 f5 16. Ng3 f4 17. Qxf4 Qg5 18. Qd2 Qxd2+ 19. Rxd2 h5 20. g5 Bd6 21. Nge2 h4 22. f4 Bf5 23. Rdd1 0-0-0 24. Rdf1 Be7 25. Na4 f6 26. gxf6 Bxf6 27. c3 Rhg8 28. Kd2 Be4 29. Rh2 e5 30. Nc5 Bh7 31. fxe5 Bxe5 32. Rhf2 Bd6 33. b4 axb4 34. cxb4 Rge8 35. Rf3 Bg8 36. Re3 Rxe3 37. Kxe3 Bc4 38. Kd2 1/2-1/2

[Event "DDR-ch corr"]
[Site "DDR"]
[Date "1987.??.??"]
[Round "?"]
[White "Fiedler"]
[Black "Wiezer, Siegfried"]
[Result "1-0"]
[ECO "A40"]
[PlyCount "145"]
[EventDate "1987.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "DDR"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 Nc6 2. c4 e5 3. d5 Nce7 4. e4 d6 5. Nc3 f5 6. Bd3 Nf6 7. Bg5 Nxe4 8. Nxe4 fxe4 9. Bxe4 Qd7 10. h3 Nf5 11. Qd3 g6 12. Bf6 Bg7 13. Bxg7 Nxg7 14. Ne2 Qe7 15. 0-0 Bf5 16. Rac1 0-0 17. Rc3 a5 18. Qc2 b6 19. b3 Rf7 20. a3 Qh4 21. Ng3 Raf8 22. b4 axb4 23. axb4 Kh8 24. c5 bxc5 25. bxc5 Nh5 26. Bxf5 Nxg3 27. Bxg6 hxg6 28. Rxg3 Qxg3 29. fxg3 Rxf1+ 30. Kh2 R1f6 31. cxd6 cxd6 32. h4 Kg7 33. Kh3 Re8 34. Qc7+ Kh6 35. g4 g5 36. Qd7 Ref8 37. Qe7 gxh4 38. Kxh4 Kg6 39. g5 Rh8+ 40. Kg4 Rf4+ 41. Kg3 Rff8 42. Qxd6+ Kxg5 43. Qxe5+ Kh6 44. Qe6+ Kh5 45. d6 Rfg8+ 46. Kf2 Rf8+ 47. Kg1 Kh4 48. Kh2 Kg5+ 49. Kg3 Rhg8 50. Qe5+ Rf5 51. Qe6 Rff8 52. d7 Rh8 53. Qe5+ Kg6 54. Kg4 Kf7 55. g3 Ra8 56. Kg5 Rag8+ 57. Kf4 Rf8 58. Qd6 Rd8 59. g4 Rhf8 60. Kg5 Rg8+ 61. Kf5 Rgf8 62. Ke5 Kg7 63. Qe7+ Kg6 64. Ke6 Ra8 65. Qc5 Rf6+ 66. Ke7 Rf7+ 67. Kd6 Rf6+ 68. Kc7 Rff8 69. Qh5+ Kf6 70. Qh6+ Ke5 71. Qd6+ Ke4 72. Qc5 Kf4 73. g5 1-0

[Event "DDR-ch corr"]
[Site "DDR"]
[Date "1987.??.??"]
[Round "?"]
[White "Kahn"]
[Black "Wiezer, Siegfried"]
[Result "1-0"]
[ECO "B00"]
[PlyCount "91"]
[EventDate "1987.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "DDR"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 Nc6 2. Nf3 d6 3. d4 Nf6 4. Nc3 Bg4 5. d5 Nb8 6. Bg5 Nbd7 7. Be2 h6 8. Be3 c6 9. 0-0 Qc7 10. a4 a6 11. a5 g6 12. h3 Bxf3 13. Bxf3 Bg7 14. Qd2 Kf8 15. Be2 Kg8 16. f4 Kh7 17. Bf3 c5 18. Na4 b5 19. axb6 Nxb6 20. Nxb6 Qxb6 21. c3 Nd7 22. Bg4 Nf6 23. e5 Nxg4 24. hxg4 Qc7 25. Rf3 Qd7 26. exd6 Qxd6 27. Rd1 Rhc8 28. Qc2 Kg8 29. g5 hxg5 30. f5 g4 31. Rff1 Be5 32. Qe4 Kg7 33. Bf4 Bxf4 34. Rxf4 g5 35. Rxg4 f6 36. Re1 Rc7 37. Qf3 Rh8 38. Re6 Qh2+ 39. Kf2 Rb8 40. Qe2 Rbb7 41. Rxa6 Rd7 42. Qe6 Rxb2+ 43. Kf3 Rxg2 44. Rxg2 Qf4+ 45. Ke2 Qc4+ 46. Kd2 1-0

[Event "DDR corr"]
[Site "DDR"]
[Date "1987.??.??"]
[Round "?"]
[White "Murach, K."]
[Black "Wiezer, Siegfried"]
[Result "1/2-1/2"]
[ECO "B00"]
[PlyCount "92"]
[EventDate "1987.??.??"]
[EventType "tourn (corr)"]
[EventCountry "DDR"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 Nc6 2. Nf3 d6 3. d4 Nf6 4. Nc3 Bg4 5. Be3 e6 6. Bb5 a6 7. Ba4 d5 8. Qd2 Bb4 9. Ne5 Nxe4 10. Qc1 Bf5 11. Nxc6 Bxc3+ 12. bxc3 Qd7 13. Qa3 bxc6 14. 0-0 Nd6 15. Qc5 Nb5 16. Bf4 f6 17. Rfe1 Kf7 18. Re3 g5 19. Bg3 h5 20. h3 h4 21. Bh2 g4 22. hxg4 Bxg4 23. f3 Bf5 24. Kf2 Rab8 25. Bb3 Nd6 26. a4 Rb6 27. Qa3 Bg6 28. Rae1 Re8 29. R3e2 Rbb8 30. Qc1 Nf5 31. Qa3 Qe7 32. Qa2 e5 33. Qa1 Qd6 34. Qc1 Rh8 35. Qd2 Rh5 36. f4 Ng3 37. dxe5 Qc5+ 38. Qe3 Ne4+ 39. Kg1 Qxc3 40. Qxc3 Nxc3 41. Re3 Rxb3 42. cxb3 d4 43. g4 hxg3 44. e6+ Ke7 45. Rxg3 Bf5 46. Rg7+ Ke8 1/2-1/2

[Event "DDR-ch corr"]
[Site "DDR"]
[Date "1987.??.??"]
[Round "?"]
[White "Schumacher, Bernd"]
[Black "Wiezer, Siegfried"]
[Result "1/2-1/2"]
[ECO "A21"]
[PlyCount "110"]
[EventDate "1987.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "DDR"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 d6 3. g3 f5 4. d4 Nc6 5. d5 Nce7 6. e4 Nf6 7. Bg2 Nxe4 8. Nxe4 fxe4 9. Bxe4 Bf5 10. Qd3 Qd7 11. Nf3 h6 12. Be3 Bxe4 13. Qxe4 Qf5 14. Nd2 Qxe4 15. Nxe4 Nf5 16. h4 Be7 17. Ke2 a5 18. Rac1 b6 19. h5 0-0 20. Rcd1 Rf7 21. g4 Nh4 22. g5 hxg5 23. Bxg5 Nf5 24. Be3 Kf8 25. Rdg1 Ke8 26. Kd3 Kd7 27. Ng5 Bxg5 28. Rxg5 Raf8 29. Rhg1 Kc8 30. Ke4 Kb7 31. b3 Kb8 32. a3 Kb7 33. b4 axb4 34. axb4 c6 35. c5 bxc5 36. bxc5 Kc7 37. Rc1 cxd5+ 38. Kxd5 Ne7+ 39. Ke4 d5+ 40. Kxe5 Rd8 41. Kd4 Nc6+ 42. Kd3 Nb4+ 43. Ke2 d4 44. Ra1 Kc6 45. Bd2 Re8+ 46. Kf1 Nd3 47. Ra6+ Kb5 48. Rb6+ Kc4 49. f4 Nxf4 50. Rb4+ Kd3 51. Bxf4 Rxf4+ 52. Kg2 Re2+ 53. Kg3 Rf1 54. Rd5 Rg1+ 55. Kf3 Rf1+ 1/2-1/2

[Event "DDR-ch corr"]
[Site "DDR"]
[Date "1987.??.??"]
[Round "?"]
[White "Wiezer, Siegfried"]
[Black "Goldberg, Alexander"]
[Result "0-1"]
[ECO "A48"]
[PlyCount "108"]
[EventDate "1987.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "DDR"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 g6 3. e3 d6 4. c3 Bg7 5. Nd2 0-0 6. h3 Nbd7 7. Ngf3 Re8 8. Bh2 c5 9. Be2 b6 10. 0-0 Bb7 11. Qc2 Rc8 12. Rad1 a6 13. Qb1 b5 14. e4 Qb6 15. Rfe1 Bh6 16. e5 Nd5 17. Ne4 cxd4 18. cxd4 dxe5 19. dxe5 Nf8 20. Bf1 Ne6 21. Kh1 Rc7 22. Bg1 Rec8 23. Nh2 Qa5 24. Ng4 Bg7 25. Bh2 h5 26. Ne3 Nxe3 27. Rxe3 Bh6 28. Ree1 Bxe4 29. Qxe4 Qxa2 30. f4 Nc5 31. Qf3 e6 32. b4 Nb3 33. Qe3 Bf8 34. f5 Bxb4 35. fxg6 Bxe1 36. Qh6 Qf2 37. Qh7+ Kf8 38. g7+ Ke7 39. Qd3 f5 40. exf6+ Kxf6 41. Bxc7 Nc5 42. Qd6 Qxf1+ 43. Kh2 Kxg7 44. Qe5+ Kg6 45. Rxe1 Qf7 46. Bd6 Nd7 47. Qe4+ Kg7 48. Qh4 Rc4 49. Qg5+ Kh7 50. Re3 e5 51. Rf3 Rf4 52. Rc3 Qg6 53. Qe7+ Rf7 54. Qe8 Rg7 0-1

[Event "DDR-ch corr"]
[Site "DDR"]
[Date "1987.??.??"]
[Round "?"]
[White "Wiezer, Siegfried"]
[Black "Kohl"]
[Result "1/2-1/2"]
[ECO "D00"]
[PlyCount "90"]
[EventDate "1987.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "DDR"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 d5 3. e3 g6 4. Nd2 Bg7 5. Be2 0-0 6. c3 b6 7. h4 Ba6 8. Bf3 Nbd7 9. h5 Qe8 10. Bxc7 Rc8 11. Bg3 e5 12. hxg6 fxg6 13. Be2 Bxe2 14. Nxe2 Ng4 15. 0-0 g5 16. Nf3 exd4 17. Nexd4 Nc5 18. Nh2 Ne5 19. Ndf3 Nf7 20. Qxd5 Ne4 21. Rfe1 Rc5 22. Qb7 h5 23. Qxa7 h4 24. Bc7 Qc6 25. Qxb6 Qxc7 26. Qxc7 Rxc7 27. Nd4 Rb7 28. f3 Ng3 29. b3 Rc8 30. Rac1 Rbc7 31. c4 Re8 32. Nb5 Rd7 33. Nf1 Ne5 34. Nxg3 hxg3 35. Rcd1 Red8 36. Rxd7 Rxd7 37. Nd4 g4 38. Rf1 Ra7 39. a4 Rb7 40. a5 Ra7 41. Ra1 gxf3 42. gxf3 Nxf3+ 43. Kg2 Nxd4 44. exd4 Bxd4 45. Ra4 Bf2 1/2-1/2

[Event "DDR corr"]
[Site "DDR"]
[Date "1987.??.??"]
[Round "?"]
[White "Wiezer, Siegfried"]
[Black "Mohaupt, Hermann"]
[Result "1/2-1/2"]
[ECO "D02"]
[PlyCount "25"]
[EventDate "1987.??.??"]
[EventType "tourn (corr)"]
[EventCountry "DDR"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 e6 4. c3 c5 5. Nd2 Bd6 6. Bg3 Nc6 7. Ngf3 Qe7 8. Bb5 Bd7 9. Bxd6 Qxd6 10. 0-0 0-0 11. Bxc6 Bxc6 12. Ne5 Nd7 13. Nxc6 1/2-1/2

[Event "DDR corr"]
[Site "DDR corr"]
[Date "1987.??.??"]
[Round "?"]
[White "Wiezer, Siegfried"]
[Black "Quednau, Hans Joachim"]
[Result "1-0"]
[ECO "D02"]
[PlyCount "91"]
[EventDate "1987.??.??"]
[EventType "swiss (corr)"]
[EventRounds "10"]
[EventCountry "DDR"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 e6 4. c3 c5 5. Nd2 Nc6 6. Ngf3 Bd6 7. Bg3 Bxg3 8. hxg3 Qd6 9. Be2 Bd7 10. Qc2 Rc8 11. Rd1 cxd4 12. exd4 Ke7 13. 0-0 g5 14. Qd3 g4 15. Nh4 Rce8 16. c4 Kd8 17. f4 Kc8 18. c5 Qc7 19. Rb1 a6 20. b4 Na7 21. Qe3 h5 22. Rfc1 Bc6 23. Bd1 Qd7 24. Nb3 Ne4 25. Na5 Nb5 26. a4 Nc7 27. Be2 Bxa4 28. b5 Bxb5 29. Bxb5 Nxb5 30. c6 bxc6 31. Rxc6+ Kd8 32. Rxa6 Ke7 33. Nc6+ Kf6 34. Rxb5 Ra8 35. Rab6 Rhc8 36. f5 Rxc6 37. Qh6+ Ke7 38. fxe6 Rxb6 39. Rxb6 fxe6 40. Ng6+ Kd8 41. Ne5 h4 42. Rb1 Qa4 43. Qxh4+ Ke8 44. Qh8+ Ke7 45. Ng6+ Kd7 46. Qg7+ 1-0

[Event "DDR corr"]
[Site "DDR"]
[Date "1987.??.??"]
[Round "?"]
[White "Wiezer, Siegfried"]
[Black "Schulz"]
[Result "1-0"]
[ECO "A47"]
[PlyCount "69"]
[EventDate "1987.??.??"]
[EventType "tourn (corr)"]
[EventCountry "DDR"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 e6 3. e3 b6 4. Nd2 Bb7 5. Ngf3 Be7 6. c3 Nh5 7. Bg3 d6 8. Bd3 Nd7 9. Qe2 a6 10. 0-0-0 c5 11. Kb1 b5 12. Bc2 Qb6 13. dxc5 Nxc5 14. Bh4 Bxh4 15. Nxh4 Nf6 16. e4 d5 17. e5 Nfe4 18. Nxe4 Nxe4 19. Rd4 Rc8 20. Qe3 Qc7 21. f3 Nc5 22. Qg5 Nd7 23. Re1 g6 24. f4 Nf8 25. Nf3 h6 26. Qh4 a5 27. a3 Qe7 28. Qf2 Nd7 29. g4 h5 30. h3 hxg4 31. hxg4 Nb6 32. f5 gxf5 33. gxf5 Nc4 34. Rf4 Rf8 35. Nd4 1-0

[Event "DDR-ch13 corr"]
[Site "DDR"]
[Date "1986.??.??"]
[Round "?"]
[White "Wendt, Rene"]
[Black "Wiezer, Siegfried"]
[Result "1/2-1/2"]
[ECO "A21"]
[PlyCount "71"]
[EventDate "1986.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "DDR"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 d6 3. d4 exd4 4. Qxd4 Nf6 5. b3 g6 6. Bb2 Bg7 7. g3 0-0 8. Bg2 Re8 9. Qd2 Nbd7 10. Nf3 Nc5 11. Nd4 Nfe4 12. Nxe4 Nxe4 13. Qc2 Qe7 14. 0-0 Ng5 15. h4 Ne4 16. Rad1 f5 17. e3 h6 18. Ne2 Bxb2 19. Qxb2 Qg7 20. Qxg7+ Kxg7 21. Nf4 Nf6 22. Rd2 Rb8 23. Nd5 Nxd5 24. cxd5 Re7 25. Rc1 b5 26. Rdc2 Rb7 27. Bf1 a6 28. a4 Kf6 29. Rc6 Ra7 30. a5 Bb7 31. Rxc7 Bxd5 32. R7c3 Rad7 33. Bg2 Bxg2 34. Kxg2 Re6 35. Rc8 d5 36. Rf8+ 1/2-1/2

[Event "DDR-ch13 corr"]
[Site "DDR"]
[Date "1986.??.??"]
[Round "?"]
[White "Wiezer, Siegfried"]
[Black "Schwarz, Hans"]
[Result "1-0"]
[ECO "A45"]
[PlyCount "71"]
[EventDate "1986.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "DDR"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 e6 2. Bf4 Nf6 3. e3 b6 4. Nd2 Bb7 5. c3 d6 6. h3 Nbd7 7. Ngf3 Be7 8. Qc2 c5 9. dxc5 Nxc5 10. Bb5+ Ncd7 11. Bh2 a6 12. Be2 0-0 13. 0-0 Nc5 14. Rad1 Nfe4 15. b4 Nxd2 16. Nxd2 Nd7 17. c4 Nf6 18. Qb3 a5 19. a3 axb4 20. axb4 Ra7 21. Ra1 Qa8 22. Qb2 Ne4 23. Rxa7 Qxa7 24. Nxe4 Bxe4 25. Qd4 d5 26. cxd5 Bxd5 27. e4 Ba8 28. Ra1 Qb7 29. Bf3 Rd8 30. Qb2 Qd7 31. Qb3 Qb5 32. Ra7 Rc8 33. Rxe7 Bxe4 34. Rc7 Rd8 35. Bg3 Bd3 36. Qc3 1-0

[Event "Franz Mehring Memorial 3rd"]
[Site "Kamenz"]
[Date "1985.02.10"]
[Round "7.11"]
[White "Wiezer, Siegfried"]
[Black "Volkmer, Andreas"]
[Result "0-1"]
[ECO "D00"]
[PlyCount "62"]
[EventDate "1985.02.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "DDR"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. d4 e6 2. Bf4 Nf6 3. e3 d5 4. Nd2 Bd6 5. Bg5 c6 6. c3 Nbd7 7. Bd3 e5 8. f3 0-0 9. Qc2 h6 10. Bh4 Re8 11. Ne2 c5 12. g4 exd4 13. exd4 Qb6 14. Bf2 Nf8 15. dxc5 Bxc5 16. Bxc5 Qxc5 17. 0-0-0 N6d7 18. f4 Nf6 19. h3 Bd7 20. Nd4 Ne6 21. Nxe6 Rxe6 22. g5 hxg5 23. fxg5 Ne4 24. Bxe4 dxe4 25. Nxe4 Rxe4 26. Rxd7 Qxg5+ 27. Kb1 Rae8 28. Rhd1 Re2 29. Qb3 Qf5+ 30. Ka1 Re1 31. Qxb7 Qf1 0-1

[Event "Franz Mehring Memorial 3rd"]
[Site "Kamenz"]
[Date "1985.02.09"]
[Round "6.1"]
[White "Mihok, Laszlo"]
[Black "Wiezer, Siegfried"]
[Result "0-1"]
[ECO "D07"]
[PlyCount "124"]
[EventDate "1985.02.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "DDR"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. d4 Nc6 2. Nf3 d5 3. e3 Bg4 4. c4 e5 5. cxd5 Qxd5 6. Nc3 Bb4 7. dxe5 Qxd1+ 8. Kxd1 Nxe5 9. Be2 0-0-0+ 10. Kc2 Nxf3 11. gxf3 Bh5 12. Bd2 Bg6+ 13. e4 Ne7 14. Be3 Ba5 15. h4 h5 16. Rad1 Bb6 17. Bxb6 axb6 18. Rhe1 Rxd1 19. Rxd1 f5 20. Bd3 Rf8 21. e5 Be8 22. Rg1 Ng6 23. Nd5 Nxe5 24. Rxg7 Nxd3 25. Kxd3 Bb5+ 26. Ke3 Rd8 27. Ne7+ Kb8 28. Nxf5 Rd3+ 29. Kf4 Rd2 30. Rg8+ Ka7 31. Rh8 Rxb2 32. Rxh5 Rxf2 33. Rg5 c5 34. h5 Rxa2 35. h6 Rd2 36. Rh5 Rd8 37. h7 Rh8 38. Ke3 Be8 39. Rh6 Rxh7 40. Rxh7 Bg6 41. Rh1 Bxf5 42. Ra1+ Kb8 43. Kf4 Bc2 44. Ke5 Kc7 45. f4 Kc6 46. f5 b5 47. f6 Bb3 48. Rd1 b4 49. Rd6+ Kb5 50. Re6 Bxe6 51. Kxe6 b3 52. f7 b2 53. f8Q b1Q 54. Qe8+ Kb4 55. Qd8 Qe4+ 56. Kf7 Qc4+ 57. Kg6 Qc2+ 58. Kh5 b5 59. Qd5 c4 60. Kg4 Qd3 61. Qe5 c3 62. Qe1 Kb3 0-1

[Event "Franz Mehring Memorial 3rd"]
[Site "Kamenz"]
[Date "1985.02.09"]
[Round "5.2"]
[White "Wiezer, Siegfried"]
[Black "Molzahn, Norbert"]
[Result "1/2-1/2"]
[ECO "A45"]
[PlyCount "118"]
[EventDate "1985.02.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "DDR"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 g6 3. e3 d6 4. Be2 Bg7 5. Nd2 Nbd7 6. Ngf3 Nh5 7. Bg5 Ndf6 8. c3 h6 9. Bh4 g5 10. Bg3 Bf5 11. Qb3 Qc8 12. 0-0-0 Bg6 13. e4 Nxg3 14. hxg3 Nxe4 15. Nxe4 Bxe4 16. Rde1 Bg6 17. Nd2 a5 18. f4 a4 19. Qd1 a3 20. b3 c5 21. Bf3 cxd4 22. Nc4 0-0 23. Rxe7 b5 24. Bxa8 Qxa8 25. f5 Bxf5 26. Nxd6 Bg6 27. Rhe1 Qc6 28. Ne4 dxc3 29. Qd7 Qxd7 30. Rxd7 c2 31. Kxc2 Re8 32. Kd3 f5 33. Nf6+ Bxf6 34. Rxe8+ Bxe8 35. Rd5 Kg7 36. Ke3 Kg6 37. Rd6 Kg7 38. Ra6 b4 39. Ra7+ Bf7 40. Ra4 Bc3 41. Kd3 Kf6 42. Ra6+ Be6 43. Ke3 Ke5 44. Kd3 Be1 45. Rb6 h5 46. Ke2 Bc3 47. Rb5+ Ke4 48. Ra5 h4 49. gxh4 gxh4 50. Ra6 Ke5 51. Ra5+ Kf4 52. Kf1 Kg3 53. Kg1 h3 54. gxh3 Kxh3 55. Kf2 Kg4 56. Ra6 Bd5 57. Rg6+ Kf4 58. Ra6 Be4 59. Kg1 Bb1 1/2-1/2

[Event "Franz Mehring Memorial 3rd"]
[Site "Kamenz"]
[Date "1985.02.08"]
[Round "4.9"]
[White "Graf, Roland"]
[Black "Wiezer, Siegfried"]
[Result "0-1"]
[ECO "B00"]
[PlyCount "110"]
[EventDate "1985.02.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "DDR"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 Nc6 2. Nf3 d6 3. d4 Bg4 4. Be3 Nf6 5. Nbd2 d5 6. e5 Nd7 7. c3 e6 8. Bd3 Be7 9. Qc2 Bh5 10. h4 Bg6 11. Rh3 Nb6 12. Ng5 Qd7 13. Nxh7 Rxh7 14. Bxg6 Rxh4 15. Bh5 Rxh3 16. gxh3 Bf8 17. Bg5 g6 18. Bg4 Be7 19. Nf3 0-0-0 20. b3 Kb8 21. a4 a5 22. Qd2 Bxg5 23. Nxg5 Qe7 24. Qf4 Rf8 25. Nh7 Rh8 26. Nf6 Nd7 27. Nxd7+ Qxd7 28. Qf6 Rd8 29. Kd2 Qe7 30. Qf4 Rh8 31. Qe3 Qh4 32. Qf3 Qg5+ 33. Kc2 Rf8 34. Bxe6 Ne7 35. Bxd5 Nxd5 36. Qxd5 Qf5+ 37. Kc1 Qxf2 38. Qxa5 Rh8 39. Qc5 b6 40. Qe7 Rxh3 41. Qd8+ Kb7 42. Qd5+ Ka7 43. Qc6 Qe1+ 44. Kb2 Rh2+ 45. Ka3 Qxa1+ 46. Kb4 Qh1 47. Qxc7+ Qb7 48. Qd8 Rh5 49. c4 Rf5 50. Ka3 g5 51. c5 Rf3 52. d5 Rd3 53. d6 g4 54. c6 Qxc6 55. Qf6 Qc5+ 0-1

[Event "Franz Mehring Memorial 3rd"]
[Site "Kamenz"]
[Date "1985.02.07"]
[Round "2.3"]
[White "Jaeger, Uwe"]
[Black "Wiezer, Siegfried"]
[Result "1/2-1/2"]
[ECO "B01"]
[PlyCount "36"]
[EventDate "1985.02.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "DDR"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 Nc6 2. Nf3 d5 3. exd5 Qxd5 4. d4 Bg4 5. Be2 0-0-0 6. Be3 e5 7. Nc3 Qa5 8. Nxe5 Bxe2 9. Qxe2 Nxe5 10. dxe5 Qxe5 11. 0-0 Nf6 12. Qc4 Nd5 13. Nxd5 Qxd5 14. Qxd5 Rxd5 15. Rad1 Rxd1 16. Rxd1 a6 17. Bd4 f6 18. Rd3 Bd6 1/2-1/2

[Event "Franz Mehring Memorial 3rd"]
[Site "Kamenz"]
[Date "1985.02.07"]
[Round "3.3"]
[White "Wiezer, Siegfried"]
[Black "Doering, Guenter"]
[Result "1/2-1/2"]
[ECO "A45"]
[PlyCount "77"]
[EventDate "1985.02.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "DDR"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 c5 3. c3 cxd4 4. Bxb8 Rxb8 5. Qxd4 b6 6. e4 e6 7. Be2 Bc5 8. Qd3 Bb7 9. Nd2 0-0 10. Bf3 e5 11. Ne2 Qc7 12. g4 Rfd8 13. g5 d5 14. gxf6 dxe4 15. Qc2 exf3 16. Ng3 e4 17. 0-0-0 e3 18. fxe3 Bxe3 19. Nf5 Bxd2+ 20. Rxd2 Qf4 21. Nxg7 f2 22. Rf1 Be4 23. Rfxf2 Qe3 24. Qd1 Rbc8 25. Qb3 Rd3 26. Rfe2 Qg1+ 27. Qd1 Rxd2 28. Rxd2 Qg5 29. Qe1 Rd8 30. Nh5 Bg6 31. Ng3 Qxf6 32. Rxd8+ Qxd8 33. Qd2 Qf6 34. b3 Qe7 35. Kb2 Qb7 36. Qd8+ Kg7 37. Qd4+ f6 38. Qd2 Qf3 39. c4 1/2-1/2

[Event "Franz Mehring Memorial 3rd"]
[Site "Kamenz"]
[Date "1985.02.06"]
[Round "1.12"]
[White "Wiezer, Siegfried"]
[Black "Muschik, Benedikt"]
[Result "0-1"]
[ECO "A01"]
[PlyCount "98"]
[EventDate "1985.02.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "DDR"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. b3 e5 2. Bb2 Nc6 3. e3 Nf6 4. Bb5 Bd6 5. Na3 a6 6. Bxc6 dxc6 7. Nc4 Qe7 8. Nxd6+ cxd6 9. Ne2 h5 10. d4 e4 11. c4 d5 12. Qd2 Be6 13. Rc1 h4 14. Nf4 Nh5 15. Nxe6 fxe6 16. Qe2 h3 17. f4 hxg2 18. Qxg2 Qh4+ 19. Kd2 0-0-0 20. Qe2 g5 21. cxd5 exd5 22. fxg5 Qxg5 23. Rhg1 Qe7 24. Rg6 Qc7 25. Bc3 Rh7 26. Rcg1 Kb8 27. Bb4 Ng7 28. R1g2 Nf5 29. Rg8 Nh4 30. Rxd8+ Qxd8 31. Rf2 Nf3+ 32. Kc2 Qc7 33. Bc5 b6 34. Bb4 Kb7 35. h3 Rxh3 36. Rg2 Rh2 37. Kc3 c5 38. dxc5 bxc5 39. Ba3 Qa5+ 40. Kb2 Qc7 41. Qf2 Qe5+ 42. Kb1 Rh1+ 43. Bc1 Qc3 44. Qc2 Qxc2+ 45. Rxc2 d4 46. Rg2 d3 47. Kb2 Rd1 48. Rg7+ Kc6 49. Rg6+ Kd5 0-1

[Event "DDR corr"]
[Site "DDR"]
[Date "1985.??.??"]
[Round "?"]
[White "Wiezer, Siegfried"]
[Black "Berner, Manfred"]
[Result "1/2-1/2"]
[ECO "A01"]
[PlyCount "69"]
[EventDate "1985.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "DDR"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. b3 f5 2. Bb2 Nf6 3. e3 e6 4. Be2 Qe7 5. g4 Nxg4 6. Bxg4 fxg4 7. Qxg4 Nc6 8. Nc3 b6 9. f4 Bb7 10. Nf3 Nb4 11. 0-0-0 Nd5 12. Nxd5 Bxd5 13. Rhe1 0-0-0 14. e4 Bb7 15. Kb1 Rg8 16. d4 g6 17. c4 h5 18. Qg3 Bh6 19. Ng5 Bxg5 20. fxg5 d6 21. d5 e5 22. Rf1 Rdf8 23. Qh4 Kd8 24. Bc1 Rxf1 25. Rxf1 Rf8 26. Rf6 Rxf6 27. gxf6 Qf7 28. Bh6 Bc8 29. Bg7 Bd7 30. b4 b5 31. c5 c6 32. Kb2 Ke8 33. dxc6 Bxc6 34. Qh3 Qd7 35. Qxd7+ 1/2-1/2

[Event "DDR corr"]
[Site "DDR"]
[Date "1985.??.??"]
[Round "?"]
[White "Wiezer, Siegfried"]
[Black "Krabbe, Wolf Dieter"]
[Result "1-0"]
[ECO "A01"]
[PlyCount "63"]
[EventDate "1985.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "DDR"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. b3 Nf6 2. Bb2 e6 3. Nc3 Be7 4. Nf3 d5 5. e3 0-0 6. g3 c5 7. Bg2 Nc6 8. d4 cxd4 9. exd4 Bd7 10. 0-0 a6 11. Ne5 b5 12. Ne2 Rc8 13. c3 Nxe5 14. dxe5 Ng4 15. Qd4 f5 16. Rae1 Bc5 17. Qf4 a5 18. h3 g5 19. Qd2 Nxe5 20. c4 Ng6 21. Nd4 Bb4 22. Bc3 Bxc3 23. Qxc3 Re8 24. Rd1 b4 25. Qa1 dxc4 26. Nb5 cxb3 27. axb3 Rb8 28. Nd6 Re7 29. Nxf5 exf5 30. Bd5+ Kf8 31. Qf6+ Ke8 32. Rfe1 1-0

[Event "DDR corr"]
[Site "DDR"]
[Date "1985.??.??"]
[Round "?"]
[White "Wiezer, Siegfried"]
[Black "Kunath, Emil"]
[Result "1-0"]
[ECO "A01"]
[PlyCount "119"]
[EventDate "1985.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "DDR"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. b3 e5 2. Bb2 Nc6 3. e3 d5 4. Bb5 Bd6 5. c4 dxc4 6. Bxc6+ bxc6 7. bxc4 Rb8 8. Bc3 Nf6 9. Qc2 Qe7 10. Nf3 c5 11. 0-0 e4 12. Ne1 0-0 13. f4 Bf5 14. Na3 h5 15. Rc1 h4 16. Nf3 g6 17. Nxh4 Bg4 18. Rce1 Nh5 19. g3 Bh3 20. Rf2 Rfe8 21. Nb5 Qe6 22. Nxd6 cxd6 23. d3 Rb7 24. Ba1 Kh7 25. dxe4 Qxe4 26. Qxe4 Rxe4 27. Nf3 Kg8 28. Ng5 Rxe3 29. Rff1 Rxe1 30. Rxe1 Bd7 31. Ne4 Rb6 32. Nc3 Kf8 33. Nd5 Rb7 34. Bc3 Be6 35. Ne3 f5 36. Kf2 Rb6 37. Ke2 Ra6 38. Ra1 Ra4 39. Kd3 Kf7 40. a3 Nf6 41. Bxf6 Kxf6 42. Kc3 Ra6 43. Kb2 Rb6+ 44. Ka2 Rb8 45. Rd1 Ke7 46. h4 Kd7 47. Rd3 Re8 48. Kb3 Kc6 49. Kc3 Bf7 50. h5 Rh8 51. hxg6 Bxg6 52. Nd5 Re8 53. Re3 Rxe3+ 54. Nxe3 Kd7 55. Kb3 Ke6 56. Ka4 Kd7 57. Ka5 Kc7 58. Nd5+ Kb7 59. Ne7 Bh7 60. Kb5 1-0

[Event "DDR corr"]
[Site "DDR"]
[Date "1985.??.??"]
[Round "?"]
[White "Wiezer, Siegfried"]
[Black "Langer"]
[Result "1/2-1/2"]
[ECO "A01"]
[PlyCount "70"]
[EventDate "1985.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "DDR"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. b3 Nf6 2. Bb2 d5 3. e3 e6 4. Nc3 Be7 5. f4 c5 6. Bb5+ Bd7 7. Bxd7+ Nbxd7 8. Nf3 0-0 9. 0-0 Rc8 10. Ne2 Qc7 11. Ng3 Ne4 12. Nxe4 dxe4 13. Ng5 Bf6 14. c3 Qc6 15. Qh5 h6 16. Nh3 Qd5 17. Qd1 c4 18. Ba3 Rfe8 19. Nf2 Be7 20. Bxe7 Rxe7 21. Qc2 f5 22. Rab1 Nb6 23. Rb2 Rd8 24. Rd1 Red7 25. Nh1 Qc5 26. Nf2 g5 27. fxg5 hxg5 28. Qb1 Qe5 29. bxc4 Rh7 30. h3 g4 31. Rb5 Qg3 32. Nxe4 fxe4 33. Rg5+ Rg7 34. Qb5 e5 35. Rxe5 gxh3 1/2-1/2

[Event "13 FS.Vorrunde Gr.6 DDR corr"]
[Site "DDR corr"]
[Date "1984.??.??"]
[Round "?"]
[White "Fromm"]
[Black "Wiezer, Siegfried"]
[Result "0-1"]
[ECO "B00"]
[PlyCount "88"]
[EventDate "1984.??.??"]
[EventType "tourn (corr)"]
[EventCountry "DDR"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[SourceQuality "1"]

1. d4 Nc6 2. e4 d5 3. Nc3 dxe4 4. d5 Ne5 5. Qd4 Ng6 6. Qa4+ Bd7 7. Qb3 Qc8 8. Nxe4 Nf6 9. Nc5 c6 10. Nxd7 Qxd7 11. dxc6 bxc6 12. Ba6 Rd8 13. Bd3 e6 14. Nf3 Be7 15. 0-0 0-0 16. Bxg6 hxg6 17. Ne5 Qd6 18. Bf4 Qc5 19. Nf3 Nd5 20. Bg3 Bf6 21. Rfd1 g5 22. Ne5 Nb6 23. Ng4 Be7 24. c3 Nc4 25. Qc2 Qf5 26. Qe2 Nxb2 27. Rxd8 Rxd8 28. Ne5 Ba3 29. Nxc6 Rd3 30. Be5 f6 31. Bd4 e5 32. Be3 Qd7 33. Nxa7 g4 34. Rb1 f5 35. g3 Qd5 36. Qc2 Kh7 37. Qb3 Nc4 38. Nb5 Qe4 39. Qa4 Rxe3 40. Nxa3 Nxa3 41. Qxe4 Rxe4 42. Rb3 Re1+ 43. Kg2 Nb1 44. a4 Nd2 0-1

[Event "Fernsch.M V6 DDR corr"]
[Site "DDR corr"]
[Date "1984.??.??"]
[Round "?"]
[White "Siegmund"]
[Black "Wiezer, Siegfried"]
[Result "1/2-1/2"]
[ECO "D07"]
[PlyCount "86"]
[EventDate "1984.??.??"]
[EventType "tourn (corr)"]
[EventCountry "DDR"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[SourceQuality "1"]

1. d4 Nc6 2. c4 d5 3. Nc3 e5 4. cxd5 Nxd4 5. e3 Nf5 6. e4 Nd4 7. f4 Bd6 8. Nb5 c5 9. Nf3 Nxf3+ 10. Qxf3 Nf6 11. Nxd6+ Qxd6 12. Bb5+ Bd7 13. Bxd7+ Nxd7 14. 0-0 f6 15. Qh5+ g6 16. Qh6 0-0-0 17. f5 Rdg8 18. Qe3 Kb8 19. Bd2 gxf5 20. Rxf5 Rg4 21. h3 Rg6 22. Raf1 Rhg8 23. R1f2 Qa6 24. a3 Qa4 25. Bc3 Rg3 26. R5f3 R3g5 27. Qe2 Ka8 28. Kh2 a6 29. b4 R5g6 30. bxc5 Nxc5 31. Bb4 Nd7 32. Be7 Rc8 33. Re3 Rc1 34. Qf3 Qd4 35. Bb4 Qa1 36. g4 h5 37. gxh5 Rg5 38. h4 Rxh5 39. Qxh5 Rh1+ 40. Kg3 Qg1+ 41. Kf3 Qd1+ 42. Ree2 Qd3+ 43. Re3 Qd1+ 1/2-1/2

[Event "GWG theme corr"]
[Site "GER corr"]
[Date "1984.??.??"]
[Round "?"]
[White "Wiezer, Siegfried"]
[Black "Knorich, Wolfgang"]
[Result "0-1"]
[ECO "A45"]
[PlyCount "52"]
[EventDate "1984.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "GER"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 Nf6 2. g4 Nxg4 3. e4 d5 4. e5 g6 5. Bf4 h5 6. Nf3 c5 7. Bb5+ Nc6 8. Nc3 a6 9. Bxc6+ bxc6 10. dxc5 Qa5 11. Qd4 Bg7 12. b4 Qc7 13. h3 Nh6 14. Qd3 Qb7 15. Na4 Bf5 16. Nd4 e6 17. Nb6 Rb8 18. a4 Ng8 19. a5 Ne7 20. c3 0-0 21. 0-0-0 Kh7 22. Rdg1 Nc8 23. Rg5 Ne7 24. Qe2 Rh8 25. Rhg1 Kg8 26. R5g3 Kf8 0-1

[Event "Fernsch.M V6 DDR corr"]
[Site "DDR corr"]
[Date "1984.??.??"]
[Round "?"]
[White "Wolf"]
[Black "Wiezer, Siegfried"]
[Result "0-1"]
[ECO "D07"]
[PlyCount "110"]
[EventDate "1984.??.??"]
[EventType "tourn (corr)"]
[EventCountry "DDR"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[SourceQuality "1"]

1. c4 Nc6 2. d4 d5 3. Nc3 e5 4. cxd5 Nxd4 5. e3 Nf5 6. e4 Nd4 7. f4 Bd6 8. Nb5 c5 9. Nf3 Nxf3+ 10. Qxf3 Nf6 11. Nxd6+ Qxd6 12. Bb5+ Bd7 13. fxe5 Qxe5 14. Bxd7+ Nxd7 15. Bd2 0-0 16. Bc3 Qg5 17. 0-0 b5 18. b3 b4 19. Bb2 Ne5 20. Qe2 Ng6 21. Rf5 Qd8 22. Raf1 Qd6 23. Qg4 Rae8 24. h4 c4 25. h5 c3 26. Bc1 Ne5 27. Qg3 f6 28. h6 g6 29. R5f2 Rf7 30. Be3 Nc4 31. Bf4 Ne5 32. a3 a5 33. axb4 axb4 34. Ra1 Qd7 35. Rfa2 Qb5 36. Ra8 Rfe7 37. Rxe8+ Rxe8 38. Qe3 Nd3 39. Bd6 Qd7 40. Bf4 Nxf4 41. Qxf4 Qe7 42. d6 Qe5 43. Qxe5 fxe5 44. Ra7 Rd8 45. Rg7+ Kf8 46. Rxh7 Kg8 47. Rg7+ Kh8 48. Kf2 Rxd6 49. Rc7 Rd2+ 50. Kf3 Rb2 51. g3 Rxb3 52. Kg4 Ra3 53. Kg5 Ra8 54. Kxg6 Rg8+ 55. Kh5 Rxg3 0-1

[Event "Theme2 corr"]
[Site "corr"]
[Date "1983.??.??"]
[Round "?"]
[White "Breuer, A."]
[Black "Wiezer, Siegfried"]
[Result "0-1"]
[ECO "A45"]
[PlyCount "22"]
[EventDate "1983.??.??"]
[EventType "tourn (corr)"]
[EventRounds "9"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 Nf6 2. g4 Nxg4 3. e4 d6 4. Bh3 Nf6 5. Bxc8 Qxc8 6. f3 Nbd7 7. Bg5 c6 8. Nc3 e5 9. Nge2 a6 10. f4 exf4 11. Nxf4 Qc7 0-1

[Event "DDR-ch12 sf04 corr"]
[Site "DDR"]
[Date "1983.??.??"]
[Round "?"]
[White "Fiensch, Guenter"]
[Black "Wiezer, Siegfried"]
[Result "1-0"]
[ECO "B13"]
[PlyCount "75"]
[EventDate "1983.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[EventCountry "DDR"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nf6 5. c3 Qc7 6. Ne2 e6 7. Bf4 Bd6 8. Bxd6 Qxd6 9. Nd2 Bd7 10. Nf3 Nc6 11. 0-0 0-0 12. Ng3 Rfe8 13. Re1 e5 14. dxe5 Nxe5 15. Nd4 Nxd3 16. Qxd3 Qf4 17. f3 h5 18. Ngf5 Bxf5 19. Nxf5 Rxe1+ 20. Rxe1 Re8 21. Rxe8+ Nxe8 22. b4 Qe5 23. g3 Nf6 24. Kf2 g6 25. Nd4 h4 26. Qe3 hxg3+ 27. hxg3 Qd6 28. a4 a6 29. a5 Kh7 30. Qg5 Ne8 31. Nb3 Nc7 32. Nc5 Qc6 33. Qe7 Kg7 34. Ke2 b6 35. Nd7 Qc4+ 36. Kf2 Ne6 37. Qf6+ Kg8 38. Ne5 1-0

[Event "corr"]
[Site "corr"]
[Date "1983.??.??"]
[Round "?"]
[White "Knorich, Wolfgang"]
[Black "Wiezer, Siegfried"]
[Result "1-0"]
[ECO "A45"]
[PlyCount "61"]
[EventDate "1983.??.??"]
[EventType "tourn (corr)"]
[EventRounds "1"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 Nf6 2. g4 e5 3. g5 Ne4 4. h4 exd4 5. Qxd4 f5 6. Qe5+ Qe7 7. Qxf5 Nc6 8. Bg2 Nc5 9. Be3 d6 10. Bxc6+ bxc6 11. Qf3 d5 12. Nd2 Be6 13. Bd4 Qd7 14. Qe3 Ne4 15. Nxe4 dxe4 16. Qxe4 Be7 17. Qd3 0-0 18. a3 c5 19. Bc3 Qc6 20. f3 Rad8 21. Qe4 Qd7 22. e3 Kh8 23. Rh2 Bd5 24. Bxg7+ Kxg7 25. Qe5+ Kg8 26. 0-0-0 Qe6 27. Qxe6+ Bxe6 28. Rxd8 Rxd8 29. Rd2 Rxd2 30. Kxd2 Kg7 31. Ne2 1-0

[Event "DDR-ch12 sf04 corr"]
[Site "DDR"]
[Date "1983.??.??"]
[Round "?"]
[White "Koehn, Hartmann"]
[Black "Wiezer, Siegfried"]
[Result "0-1"]
[ECO "E11"]
[PlyCount "114"]
[EventDate "1983.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[EventCountry "DDR"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Bd2 a5 5. Bg2 d5 6. Qc2 Nc6 7. Nf3 dxc4 8. Qxc4 Qd5 9. Qxd5 exd5 10. Nc3 Bf5 11. 0-0 Be4 12. e3 Bxc3 13. bxc3 Nd7 14. Ne1 Bxg2 15. Kxg2 Nb6 16. Nd3 Nc4 17. Rfd1 0-0-0 18. Kf3 Ne7 19. Ke2 Nf5 20. Rab1 Nfd6 21. Ne5 Nb6 22. Rf1 Rhe8 23. Kd3 f6 24. Nf3 Re6 25. Rfc1 Ne4 26. Be1 Nc4 27. Ke2 Rdd6 28. Nd2 Nexd2 29. Bxd2 g5 30. Rb5 f5 31. Rh1 Rh6 32. Bc1 Rh5 33. Kf3 c6 34. Rb1 Rh3 35. Kg2 g4 36. Rb3 Re6 37. Rb1 Nd6 38. f3 h5 39. Rf1 Re8 40. Rb2 Rh8 41. fxg4 hxg4 42. Kg1 R3h5 43. Rbf2 Kd7 44. Ba3 Nc4 45. Bc1 Ke6 46. Bd2 Nd6 47. Be1 Ne4 48. Rc2 Rh3 49. Rg2 Ng5 50. Rff2 Nf3+ 51. Kf1 Nxh2+ 52. Ke2 Nf3 53. Rf1 Rh1 54. Rgf2 Rxf1 55. Rxf1 Nxe1 56. Kxe1 Rh3 57. Rg1 Rh2 0-1

[Event "corr"]
[Site "corr"]
[Date "1983.??.??"]
[Round "?"]
[White "Timm"]
[Black "Wiezer, Siegfried"]
[Result "0-1"]
[ECO "B14"]
[PlyCount "126"]
[EventDate "1983.??.??"]
[EventType "tourn (corr)"]
[EventRounds "1"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. Nf3 Bb4 7. Bd2 0-0 8. c5 Re8 9. Be2 Nc6 10. a3 Bxc3 11. Bxc3 Ne4 12. Rc1 b6 13. 0-0 bxc5 14. dxc5 Nxc3 15. Rxc3 Qf6 16. Qd2 d4 17. Rcc1 e5 18. Rfe1 Rb8 19. Bd3 Bf5 20. Bxf5 Qxf5 21. b4 f6 22. Qb2 Qd3 23. Rb1 Qb5 24. Nd2 Re7 25. Ne4 Qc4 26. Nd6 Qd5 27. b5 Kf8 28. Qc2 Nd8 29. Qxh7 Rc7 30. Qh8+ Qg8 31. Qxg8+ Kxg8 32. c6 Ne6 33. Nb7 d3 34. Kf1 Nd4 35. Re3 d2 36. Rd1 Nxb5 37. Na5 Nd4 38. a4 Rb2 39. Rd3 Ra2 40. R1xd2 Rxa4 41. Nb3 Nxb3 42. Rxb3 Rc4 43. Ra2 R4xc6 44. g4 Rc2 45. Ra6 Rd2 46. Kg2 Rcc2 47. Rxa7 Rxf2+ 48. Kg3 Rg2+ 49. Kf3 Rcf2+ 50. Ke3 Rf4 51. Rb8+ Kh7 52. h3 Rg3+ 53. Ke2 Rxh3 54. g5 Kg6 55. gxf6 gxf6 56. Rg8+ Kf5 57. Rg2 Rb4 58. Ra2 Rhb3 59. Rf2+ Ke6 60. Kf1 f5 61. Rac2 Rb6 62. Rfd2 f4 63. Kf2 Kf5 0-1

[Event "Theme2 corr"]
[Site "corr"]
[Date "1983.??.??"]
[Round "?"]
[White "Wiezer, Siegfried"]
[Black "Breuer, A."]
[Result "1-0"]
[ECO "A45"]
[PlyCount "21"]
[EventDate "1983.??.??"]
[EventType "tourn (corr)"]
[EventRounds "9"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 Nf6 2. g4 Nxg4 3. e4 d5 4. e5 g6 5. Nc3 Bf5 6. Bf4 Nd7 7. Qd2 h5 8. f3 Nh6 9. Nxd5 c6 10. Ne3 e6 11. Ne2 1-0

[Event "DDR-ch12 sf04 corr"]
[Site "DDR"]
[Date "1983.??.??"]
[Round "?"]
[White "Wiezer, Siegfried"]
[Black "Fechner, Juergen"]
[Result "0-1"]
[ECO "C98"]
[PlyCount "68"]
[EventDate "1983.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[EventCountry "DDR"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 0-0 8. c3 d6 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 Nc6 13. dxc5 dxc5 14. Nf1 Be6 15. Ne3 Rad8 16. Qe2 c4 17. Nf5 Rfe8 18. N3h4 Nb8 19. Bg5 Nbd7 20. Nxe7+ Rxe7 21. Nf5 Bxf5 22. exf5 Rde8 23. Rad1 h6 24. Bh4 Qb6 25. Kf1 e4 26. Qe3 Qc6 27. Rd4 Nc5 28. Bxf6 Qxf6 29. Red1 Nd3 30. b3 Qxf5 31. bxc4 Nb2 32. Re1 Nxc4 33. Qe2 Qc5 34. Qd1 e3 0-1

[Event "DDR-ch12 sf04 corr"]
[Site "DDR"]
[Date "1983.??.??"]
[Round "?"]
[White "Wiezer, Siegfried"]
[Black "Heinrich, Hans"]
[Result "1/2-1/2"]
[ECO "B50"]
[PlyCount "91"]
[EventDate "1983.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[EventCountry "DDR"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 c5 2. b3 Nc6 3. Nc3 d6 4. Bb2 Nf6 5. Nf3 e6 6. Bb5 Bd7 7. 0-0 Be7 8. Re1 0-0 9. Bxc6 Bxc6 10. d4 cxd4 11. Nxd4 Qd7 12. Qd3 Rfd8 13. Nxc6 Qxc6 14. Nb5 a6 15. Nd4 Qc7 16. c4 Rac8 17. Re3 Bf8 18. Rg3 Qe7 19. Qf3 Ne8 20. Nc2 b5 21. Ne3 bxc4 22. Nxc4 Qb7 23. Ne3 g6 24. h4 Bg7 25. Bxg7 Nxg7 26. h5 Rc5 27. hxg6 fxg6 28. Ng4 Nh5 29. Nf6+ Nxf6 30. Qxf6 Qc8 31. Rd3 Rc2 32. Qd4 Rd7 33. a4 d5 34. Rad1 dxe4 35. Qxe4 Rxd3 36. Rxd3 Rc1+ 37. Kh2 Rc5 38. Qe3 Qc7+ 39. g3 Re5 40. Rd8+ Qxd8 41. Qxe5 Qb6 42. Qe2 a5 43. Qf3 Qc5 44. Qf6 Qf5 45. Qd8+ Kf7 46. Qd7+ 1/2-1/2

[Event "DDR corr"]
[Site "DDR"]
[Date "1983.??.??"]
[Round "?"]
[White "Wiezer, Siegfried"]
[Black "Schwarz"]
[Result "1/2-1/2"]
[ECO "A15"]
[PlyCount "24"]
[EventDate "1983.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "DDR"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. b4 Nf6 2. Bb2 g6 3. Nf3 Bg7 4. c4 0-0 5. e3 c6 6. a4 d5 7. Qb3 e6 8. Nc3 Nbd7 9. d4 dxc4 10. Bxc4 Nb6 11. Bd3 Nbd5 12. Ne2 Re8 1/2-1/2

[Event "DDR-ch12 sf04 corr"]
[Site "DDR"]
[Date "1983.??.??"]
[Round "?"]
[White "Wiezer, Siegfried"]
[Black "Strutz, Martin"]
[Result "1-0"]
[ECO "B20"]
[PlyCount "69"]
[EventDate "1983.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[EventCountry "DDR"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 c5 2. b3 Nc6 3. Nc3 g6 4. Bb2 Bg7 5. f4 d6 6. Nf3 Nf6 7. d3 0-0 8. Be2 Qa5 9. Qd2 b5 10. a4 b4 11. Nd1 Qb6 12. h3 e5 13. g4 Re8 14. Ne3 exf4 15. Nc4 Qd8 16. Qxf4 d5 17. Nd6 Rf8 18. 0-0-0 d4 19. Nxc8 Rxc8 20. Rdg1 Re8 21. Nd2 Nd7 22. g5 Nde5 23. h4 Qc7 24. Rf1 Bf8 25. h5 Rcd8 26. Qh4 Rd7 27. Kb1 Red8 28. Bc1 c4 29. Nxc4 Nxc4 30. dxc4 Ne5 31. Bd3 Bd6 32. Rf6 Re7 33. Bf4 a5 34. Rf1 Rde8 35. c5 1-0

[Event "GWG theme corr"]
[Site "corr"]
[Date "1983.??.??"]
[Round "?"]
[White "Wiezer, Siegfried"]
[Black "Winkelmann, Herbert"]
[Result "1/2-1/2"]
[ECO "A45"]
[PlyCount "39"]
[EventDate "1983.??.??"]
[EventType "tourn (corr)"]
[EventRounds "9"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 Nf6 2. g4 Nxg4 3. e4 d5 4. e5 Bf5 5. Bg5 f6 6. Bf4 fxe5 7. dxe5 e6 8. Be2 Qe7 9. c3 Nh6 10. Nf3 Nc6 11. Nbd2 Nf7 12. Bb5 0-0-0 13. Bxc6 bxc6 14. Qa4 g5 15. Nd4 gxf4 16. Qa6+ Kd7 17. Qxc6+ Kc8 18. Qa6+ Kd7 19. Qa4+ Kc8 20. Qa6+ 1/2-1/2

[Event "Theme2 corr"]
[Site "corr"]
[Date "1983.??.??"]
[Round "?"]
[White "Wiezer, Siegfried"]
[Black "Wobick, Reinhard"]
[Result "1-0"]
[ECO "A45"]
[PlyCount "39"]
[EventDate "1983.??.??"]
[EventType "tourn (corr)"]
[EventRounds "9"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 Nf6 2. g4 d5 3. h3 Nxg4 4. hxg4 Bxg4 5. Qd3 a6 6. Bf4 Qd7 7. Bh3 Bxh3 8. Nxh3 h6 9. Nc3 Nc6 10. 0-0-0 0-0-0 11. Na4 e6 12. Nc5 Bxc5 13. dxc5 e5 14. Bd2 e4 15. Qg3 Nd4 16. Kb1 Ne6 17. Nf4 g5 18. Nxe6 Qxe6 19. Bc3 Rdg8 20. Bxh8 1-0

[Event "Theme2 corr"]
[Site "corr"]
[Date "1983.??.??"]
[Round "?"]
[White "Winckelmann, Thomas"]
[Black "Wiezer, Siegfried"]
[Result "1-0"]
[ECO "A45"]
[PlyCount "65"]
[EventDate "1983.??.??"]
[EventType "tourn (corr)"]
[EventRounds "9"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 Nf6 2. g4 Nxg4 3. e4 d6 4. h3 Nf6 5. Nc3 c6 6. Be2 Qc7 7. Bg5 Nbd7 8. Nf3 b5 9. Qd3 a5 10. 0-0-0 Ba6 11. Qe3 Nb6 12. Bd3 b4 13. Ne2 a4 14. Bxa6 Rxa6 15. Qd3 Ra5 16. Bd2 d5 17. exd5 Nbxd5 18. a3 e6 19. Rhg1 Qb6 20. Ne5 bxa3 21. Bxa5 axb2+ 22. Kb1 Qxa5 23. Nxc6 Qb6 24. Ne5 a3 25. Qc4 Qb7 26. Qa4+ Nd7 27. Rd3 N5b6 28. Qb5 Qd5 29. Qa6 g6 30. Nxd7 Nxd7 31. Qc8+ Ke7 32. Rxa3 Bg7 33. Qc3 1-0

[Event "GWG theme corr"]
[Site "corr"]
[Date "1983.??.??"]
[Round "?"]
[White "Wobick, Reinhard"]
[Black "Wiezer, Siegfried"]
[Result "0-1"]
[ECO "A45"]
[PlyCount "50"]
[EventDate "1983.??.??"]
[EventType "tourn (corr)"]
[EventRounds "9"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 Nf6 2. g4 Nxg4 3. e4 d6 4. h3 Nf6 5. Nc3 c6 6. Bg5 Nbd7 7. f4 Qb6 8. Rb1 e5 9. fxe5 dxe5 10. d5 Bb4 11. Bg2 Nc5 12. Be3 Bxc3+ 13. bxc3 Qa5 14. Rb4 Na6 15. Qb1 Nxb4 16. cxb4 Qa3 17. Qb3 Qxb3 18. axb3 a5 19. Nf3 axb4 20. 0-0 0-0 21. Nxe5 Re8 22. Bd4 c5 23. Bb2 Ra2 24. Nc4 Nxe4 25. Re1 f5 0-1

[Event "DDR corr"]
[Site "DDR"]
[Date "1982.??.??"]
[Round "?"]
[White "Linse, E."]
[Black "Wiezer, Siegfried"]
[Result "0-1"]
[ECO "E41"]
[PlyCount "108"]
[EventDate "1982.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "DDR"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 Nc6 6. Nf3 Bxc3+ 7. bxc3 d6 8. 0-0 b6 9. Qc2 Bd7 10. Nd2 Rc8 11. Rb1 Qc7 12. Nf3 Na5 13. Nd2 d5 14. cxd5 cxd4 15. dxe6 Bxe6 16. Qa4+ Bd7 17. Qxd4 Qxc3 18. Bb2 Qxd4 19. Bxd4 Be6 20. Nb3 Nc4 21. Rfc1 Ke7 22. h3 Rhd8 23. Kf1 Rd6 24. Ke2 g6 25. Bxf6+ Kxf6 26. Nd4 Ne5 27. Rxc8 Bxc8 28. Rc1 Bb7 29. f3 Nxd3 30. Kxd3 Rd5 31. e4 Ra5 32. Rc2 Ra3+ 33. Ke2 Ba6+ 34. Kf2 Bd3 35. Rb2 Ra4 36. Ke3 Bc4 37. Nb3 Rb4 38. Kd4 a5 39. Kc3 Be6 40. h4 Ke5 41. g3 h6 42. Rd2 Rc4+ 43. Kd3 g5 44. Rf2 Ra4 45. hxg5 hxg5 46. f4+ Kf6 47. Rc2 Ra3 48. Rc6 a4 49. f5 axb3 50. axb3 Rxb3+ 51. Kc2 Rxg3 52. Rxb6 Re3 53. fxe6 fxe6 54. Rb4 Ke5 0-1

