[Event "Davos op"]
[Site "Davos"]
[Date "2008.08.16"]
[Round "7"]
[White "Sieber, Wolfgang"]
[Black "Steiert, Roland"]
[Result "0-1"]
[ECO "C51"]
[WhiteElo "1867"]
[BlackElo "1718"]
[PlyCount "88"]
[EventDate "2008.08.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "CBM 126 Extra"]
[Source "ChessBase"]
[SourceDate "2008.11.05"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.05"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Be7 6. d4 Nf6 7. dxe5 Ng4 8. Qd5 0-0 9. h3 Nh6 10. 0-0 Kh8 11. Bxh6 gxh6 12. Nbd2 Qe8 13. Nd4 Bg5 14. Nf5 Qxe5 15. Qd3 Qf4 16. Nf3 Ne5 17. Nxe5 Qxe5 18. f4 Qc5+ 19. Kh1 Bf6 20. Nxh6 Qh5 21. Ng4 Bg7 22. f5 Rg8 23. f6 Bf8 24. Rf5 Qh4 25. Ne5 h6 26. Nxf7+ Kh7 27. e5 Rg6 28. Raf1 d5 29. exd6 Bxf5 30. Rxf5 cxd6 31. Rf3 Re8 32. Nxd6 Re1+ 33. Rf1 Rxf1+ 34. Qxf1 Bxd6 35. Bd3 Qf4 36. Qg1 Qxf6 37. Qxa7 Qe7 38. Qf2 Kg7 39. Bxg6 Kxg6 40. Qc2+ Kg7 41. Qc1 Qe5 42. Kg1 Qc5+ 43. Kh1 Be5 44. c4 b5 0-1

[Event "Davos op"]
[Site "Davos"]
[Date "2008.08.13"]
[Round "4"]
[White "Sauter, Hinko"]
[Black "Sieber, Wolfgang"]
[Result "1-0"]
[ECO "C48"]
[WhiteElo "1574"]
[BlackElo "1867"]
[PlyCount "39"]
[EventDate "2008.08.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "CBM 126 Extra"]
[Source "ChessBase"]
[SourceDate "2008.11.05"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.05"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nc3 Nxb5 5. Nxb5 c6 6. Nc3 Qc7 7. d4 d6 8. 0-0 Nf6 9. Bg5 Be7 10. h3 Be6 11. d5 Bd7 12. a4 0-0 13. Qd2 Kh8 14. Rfd1 Rad8 15. a5 Ng8 16. b4 f5 17. exf5 Bxg5 18. Nxg5 Rxf5 19. g4 Rf4 20. Qxf4 1-0

[Event "Davos op"]
[Site "Davos"]
[Date "2008.08.12"]
[Round "3"]
[White "Sieber, Wolfgang"]
[Black "Giacomini, Plinio"]
[Result "0-1"]
[ECO "C56"]
[WhiteElo "1867"]
[BlackElo "2046"]
[PlyCount "82"]
[EventDate "2008.08.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "CBM 126 Extra"]
[Source "ChessBase"]
[SourceDate "2008.11.05"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.05"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 exd4 5. 0-0 Nxe4 6. Re1 d5 7. Bxd5 Qxd5 8. Nc3 Qa5 9. Nxe4 Be6 10. Neg5 0-0-0 11. Nxe6 fxe6 12. Rxe6 Be7 13. Qe2 Bf6 14. Bf4 Qf5 15. Bg3 h5 16. h3 g5 17. Rd1 g4 18. hxg4 hxg4 19. Nh2 Bh4 20. Nxg4 Bxg3 21. fxg3 d3 22. Rxd3 Nd4 23. Rxd4 Rxd4 24. Nf2 Qg5 25. Re3 Qd5 26. Nd3 Qxa2 27. c3 Qb1+ 28. Kf2 Rf8+ 29. Nf4 Rd7 30. Re8+ Rxe8 31. Qxe8+ Rd8 32. Qe2 Qf5 33. Kg1 Qc5+ 34. Kf1 Qd6 35. Ke1 a6 36. b4 Qc6 37. Kf2 Qxc3 38. Kg1 Qxb4 39. Nd3 Qd4+ 40. Nf2 Qa1+ 41. Kh2 a5 0-1

[Event "Davos op"]
[Site "Davos"]
[Date "2008.08.11"]
[Round "2"]
[White "Rous, Daniel"]
[Black "Sieber, Wolfgang"]
[Result "0-1"]
[ECO "D37"]
[WhiteElo "1719"]
[BlackElo "1867"]
[PlyCount "50"]
[EventDate "2008.08.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "CBM 126 Extra"]
[Source "ChessBase"]
[SourceDate "2008.11.05"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.05"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 h6 5. Bf4 c6 6. e3 Qa5 7. a3 Nh5 8. b4 Qd8 9. Bg3 Nxg3 10. hxg3 Bd6 11. Qc2 Nd7 12. g4 Be7 13. c5 Bf6 14. e4 e5 15. dxe5 Nxe5 16. Nxe5 Bxe5 17. exd5 cxd5 18. Qe2 0-0 19. Qd3 Qf6 20. Nxd5 Qg5 21. Rd1 Bxg4 22. f3 Bg3+ 23. Ke2 Rfe8+ 24. Ne3 Rad8 25. Qxd8 Qxe3# 0-1

[Event "Davos op"]
[Site "Davos"]
[Date "2008.08.10"]
[Round "1"]
[White "Sieber, Wolfgang"]
[Black "Markosian, David S"]
[Result "0-1"]
[ECO "C41"]
[WhiteElo "1867"]
[BlackElo "2501"]
[PlyCount "68"]
[EventDate "2008.08.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "CBM 126 Extra"]
[Source "ChessBase"]
[SourceDate "2008.11.05"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.05"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. h3 Be7 6. Bc4 0-0 7. 0-0 c6 8. Be3 b5 9. Bd3 a6 10. Ne2 Bb7 11. Ng3 Re8 12. c3 Bf8 13. Nf5 exd4 14. Bxd4 c5 15. Bxf6 Nxf6 16. c4 b4 17. Qc2 Nxe4 18. Rfe1 Ng5 19. Rxe8 Nxf3+ 20. gxf3 Qg5+ 21. Ng3 Rxe8 22. Bxh7+ Kh8 23. Bd3 Bxf3 24. Kh2 Re6 25. Rg1 Qf4 26. Bf1 g6 27. a3 bxa3 28. bxa3 Bg7 29. Bd3 Bd4 30. Rf1 Bc6 31. Qd1 Bxf2 32. Qg4 Qxg3+ 33. Qxg3 Bxg3+ 34. Kxg3 Re3+ 0-1

[Event "Zuerich Seniors op 06th"]
[Site "Zuerich"]
[Date "2008.??.??"]
[Round "?"]
[White "Hofer, Friedrich"]
[Black "Sieber, Wolfgang"]
[Result "1-0"]
[ECO "C61"]
[WhiteElo "1914"]
[BlackElo "1867"]
[PlyCount "55"]
[EventDate "2008.01.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. 0-0 c6 6. Ba4 Nf6 7. d3 d5 8. Bg5 dxe4 9. dxe4 Qa5 10. Bxf6 gxf6 11. Bb3 Rg8 12. Kh1 Qg5 13. Rg1 Bd6 14. Nd2 Bg4 15. f3 Bd7 16. Nf1 Rg6 17. g3 Bh3 18. Qd2 Qh5 19. Qf2 Ke7 20. g4 Qh6 21. Ng3 Qf4 22. Nf5+ Kd7 23. Nxd6 Kxd6 24. Qg3 Qe5 25. Qxh3 Ke7 26. Qg3 Rh6 27. Qxe5+ fxe5 28. Raf1 1-0

[Event "Zuerich Seniors op 06th"]
[Site "Zuerich"]
[Date "2008.??.??"]
[Round "?"]
[White "Sieber, Wolfgang"]
[Black "Koehler, Lothar"]
[Result "1-0"]
[ECO "C18"]
[WhiteElo "1867"]
[PlyCount "39"]
[EventDate "2008.01.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Nc6 7. Qg4 g6 8. Bb5 Bd7 9. Bxc6 Bxc6 10. Ne2 Qe7 11. 0-0 Bb5 12. Rb1 Ba6 13. Re1 b6 14. Bg5 f6 15. exf6 Nxf6 16. Qh4 0-0 17. Nf4 Qf7 18. Rxe6 Ne4 19. Re7 Qf5 20. Qxh7# 1-0

[Event "Davos op 6th"]
[Site "Davos"]
[Date "2007.08.06"]
[Round "1"]
[White "Sieber, Wolfgang"]
[Black "Bojkovic, Natasa"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1873"]
[BlackElo "2423"]
[PlyCount "40"]
[EventDate "2007.08.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "CBM 119 Extra"]
[Source "ChessBase"]
[SourceDate "2007.09.04"]
[SourceVersion "1"]
[SourceVersionDate "2007.09.04"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 Nf6 4. e5 Nd5 5. cxd4 e6 6. Bd2 d6 7. Nf3 Nc6 8. Bc4 Be7 9. 0-0 0-0 10. Nc3 dxe5 11. dxe5 Nb6 12. Bb3 Na5 13. Bc2 Nac4 14. Qe2 Nxd2 15. Nxd2 Bd7 16. Qe4 g6 17. Qxb7 Bc8 18. Qe4 Qxd2 19. Rad1 Qh6 20. Rd3 Qh4 0-1

[Event "Zuerich Seniors op 05th"]
[Site "Zuerich"]
[Date "2007.01.31"]
[Round "8"]
[White "Csajka, Istvan"]
[Black "Sieber, Wolfgang"]
[Result "0-1"]
[ECO "C61"]
[WhiteElo "1605"]
[BlackElo "1721"]
[PlyCount "64"]
[EventDate "2007.01.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Bc4 c6 5. c3 Nxf3+ 6. Qxf3 Nf6 7. d4 d5 8. dxe5 Bg4 9. Qf4 dxc4 10. 0-0 Be2 11. Re1 Nh5 12. Qf5 g6 13. Qh3 Ng7 14. Bh6 Ne6 15. Be3 Bg7 16. f4 Bd3 17. Nd2 f5 18. exf5 Bxf5 19. g4 Bd3 20. Rad1 Qe7 21. f5 Ng5 22. Bxg5 Qxg5 23. f6 Bf8 24. f7+ Kxf7 25. e6+ Kg7 26. Qf3 Bc5+ 27. Kg2 Rhf8 28. Ne4 Bxe4 29. Qxe4 Rf4 30. Rd7+ Kh6 31. Qe5 Qxg4+ 32. Kh1 Qf3# 0-1

[Event "Zuerich Seniors op 05th"]
[Site "Zuerich"]
[Date "2007.01.29"]
[Round "6"]
[White "Seewald, Klaus"]
[Black "Sieber, Wolfgang"]
[Result "0-1"]
[ECO "D35"]
[WhiteElo "1537"]
[BlackElo "1721"]
[PlyCount "68"]
[EventDate "2007.01.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. cxd5 exd5 6. Nxd5 Nxd5 7. Bd2 Bb4 8. e4 Bxd2+ 9. Qxd2 N5f6 10. Bd3 0-0 11. Ne2 c5 12. 0-0 cxd4 13. Nxd4 Ne5 14. Qc3 Nxd3 15. Qxd3 Be6 16. Rfd1 Qe7 17. Qe2 h6 18. Nxe6 Qxe6 19. f3 Rfd8 20. a3 Rd6 21. Rac1 Rad8 22. Rxd6 Qxd6 23. Rc2 Qd1+ 24. Kf2 Qxe2+ 25. Kxe2 Kf8 26. e5 Nd5 27. g3 Ke7 28. f4 Ke6 29. Kf3 a6 30. g4 g5 31. fxg5 hxg5 32. Ke4 Nb6 33. Rf2 Nd7 34. Rf5 Nc5+ 0-1

[Event "Zuerich Seniors op 05th"]
[Site "Zuerich"]
[Date "2007.01.23"]
[Round "2"]
[White "Sieber, Wolfgang"]
[Black "Schweizer, Robert"]
[Result "0-1"]
[ECO "B21"]
[WhiteElo "1721"]
[BlackElo "1904"]
[PlyCount "92"]
[EventDate "2007.01.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 d6 6. Bc4 e6 7. 0-0 a6 8. a4 Be7 9. Qe2 h6 10. Rd1 Bd7 11. b3 Nf6 12. Ba3 Qc7 13. Rac1 Rd8 14. b4 Ne5 15. Ba2 Nxf3+ 16. Qxf3 Qb8 17. b5 e5 18. h3 0-0 19. Rd3 Be6 20. Qe2 Bxa2 21. Qxa2 Rd7 22. Rcd1 Rfd8 23. Qe2 axb5 24. axb5 Qa7 25. Bc1 Qc5 26. Rg3 Kh7 27. Nd5 Nxd5 28. exd5 Rc8 29. Qh5 Qc2 30. Qg4 Bf6 31. Re1 Rdc7 32. Qh5 Rf8 33. Be3 Rc4 34. Rc1 Qe4 35. Rxc4 Qxc4 36. Rf3 Qe2 37. Qf5+ Kh8 38. Bxh6 Qd1+ 39. Kh2 Qxd5 40. Rg3 Qe6 41. Qh5 Kg8 42. Qf3 e4 43. Qg4 Qxg4 44. Rxg4 Be5+ 45. g3 f5 46. Rg5 Kh7 0-1

[Event "Zuerich Seniors op 05th"]
[Site "Zuerich"]
[Date "2007.??.??"]
[Round "?"]
[White "Sieber, Wolfgang"]
[Black "Brkic, Vladimir"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "1721"]
[BlackElo "1549"]
[PlyCount "55"]
[EventDate "2007.01.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 f6 4. c3 Na5 5. Nxe5 fxe5 6. Qh5+ g6 7. Qxe5+ Ne7 8. Qxa5 Bg7 9. d4 h6 10. 0-0 b6 11. Qa4 c6 12. Qb3 Rf8 13. Nd2 b5 14. Bd3 g5 15. e5 d6 16. exd6 Qxd6 17. Ne4 Qc7 18. Bd2 Bd7 19. Rae1 0-0-0 20. Nc5 Nd5 21. Ne6 Bxe6 22. Rxe6 Rd6 23. Rfe1 Rxe6 24. Rxe6 Nf4 25. Be4 Nxe6 26. Qxe6+ Kb7 27. d5 cxd5 28. Qxd5+ 1-0

[Event "Zuerich Seniors op 05th"]
[Site "Zuerich"]
[Date "2007.??.??"]
[Round "?"]
[White "Sieber, Wolfgang"]
[Black "Steiner, Paul"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1721"]
[BlackElo "2035"]
[PlyCount "62"]
[EventDate "2007.01.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 d5 4. exd5 Qxd5 5. cxd4 Nc6 6. Nf3 e5 7. Nc3 Bb4 8. Bd2 Bxc3 9. Bxc3 e4 10. Nd2 Nf6 11. Bc4 Qg5 12. Kf1 0-0 13. Qc2 Bf5 14. Qb3 Bg6 15. Re1 Na5 16. Bxa5 Qxa5 17. Re2 a6 18. Qc3 Qh5 19. f3 b5 20. Bb3 Rac8 21. Qe3 Rfe8 22. Kf2 exf3 23. Qxf3 Ng4+ 24. Kg3 Rxe2 25. Qxe2 Bf5 26. h3 g5 27. Nf3 Nf6 28. Re1 Ne4+ 29. Kh2 g4 30. Ne5 g3+ 31. Kg1 Qxe2 0-1

[Event "Winterthur op"]
[Site "Winterthur"]
[Date "2006.10.08"]
[Round "3"]
[White "Zuelle, Bruno"]
[Black "Sieber, Wolfgang"]
[Result "1-0"]
[ECO "A30"]
[WhiteElo "2117"]
[BlackElo "1887"]
[PlyCount "89"]
[EventDate "2006.10.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 b6 3. g3 Bb7 4. Bg2 c5 5. 0-0 Nc6 6. Nc3 e6 7. d4 Nxd4 8. Nxd4 Bxg2 9. Kxg2 cxd4 10. Qxd4 Bc5 11. Qh4 Rc8 12. Bg5 Be7 13. Rfd1 0-0 14. Qd4 a6 15. Rac1 Qc7 16. b3 Rfd8 17. Kg1 h6 18. Bf4 Qb7 19. Bd6 Bxd6 20. Qxd6 Rc6 21. Qf4 Rc5 22. e4 d5 23. e5 Nh7 24. Ne4 Rc7 25. Nd6 Qa8 26. cxd5 Ng5 27. Kf1 Rxc1 28. Qxc1 exd5 29. f4 Ne4 30. Nxe4 dxe4 31. Rxd8+ Qxd8 32. Qc2 Qa8 33. Ke2 f5 34. exf6 gxf6 35. Qc4+ Kf8 36. Qe6 Kg7 37. Qd7+ Kf8 38. Ke3 b5 39. Qe6 Kg7 40. Qe7+ Kg8 41. Qxf6 Qd5 42. Qg6+ Kf8 43. Qxh6+ Kf7 44. Qh7+ Kf6 45. Qxe4 1-0

[Event "Winterthur op"]
[Site "Winterthur"]
[Date "2006.10.06"]
[Round "1"]
[White "Zimmerman, Yuri"]
[Black "Sieber, Wolfgang"]
[Result "1-0"]
[ECO "E12"]
[WhiteElo "2360"]
[BlackElo "1887"]
[PlyCount "57"]
[EventDate "2006.10.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Bb7 5. Nc3 Be7 6. d5 d6 7. e4 e5 8. Be2 Nbd7 9. b4 0-0 10. 0-0 Re8 11. Ne1 Nf8 12. Be3 Ng6 13. g3 Bc8 14. Nd3 Bh3 15. Re1 Qd7 16. f3 h5 17. Nf2 Nh7 18. Qd2 Nf6 19. c5 bxc5 20. Bb5 Qc8 21. Bxe8 Nxe8 22. bxc5 Rb8 23. Rab1 Ra8 24. c6 a6 25. Rb7 Nf6 26. Reb1 Bd8 27. Ba7 Kh7 28. Rb8 Rxb8 29. Rxb8 1-0

[Event "Davos op 5th"]
[Site "Davos"]
[Date "2006.08.12"]
[Round "7"]
[White "Sieber, Wolfgang"]
[Black "Reust, Erika"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "1887"]
[BlackElo "1912"]
[PlyCount "68"]
[EventDate "2006.08.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Qb6 5. Nf3 Bd7 6. Bd3 Nc6 7. Bc2 f6 8. 0-0 cxd4 9. cxd4 0-0-0 10. Nc3 Nb4 11. Bb3 Be7 12. exf6 gxf6 13. Bf4 Bd6 14. Rc1 Kb8 15. Bxd6+ Qxd6 16. Re1 Ne7 17. Ba4 Ng6 18. Bxd7 Qxd7 19. Na4 Na6 20. Re3 Rhe8 21. b4 b6 22. Rb1 Ka8 23. Ra3 Rb8 24. Qd3 Nc7 25. Rc1 Nb5 26. Rb3 Nd6 27. Nc3 b5 28. h3 Nc4 29. Qd1 Rg8 30. Ne2 Rbd8 31. Rbc3 e5 32. Nd2 Nh4 33. g3 Nxd2 34. Qxd2 Qxh3 0-1

[Event "Davos op 5th"]
[Site "Davos"]
[Date "2006.08.11"]
[Round "6"]
[White "Faraone, Ettore"]
[Black "Sieber, Wolfgang"]
[Result "0-1"]
[ECO "C56"]
[WhiteElo "2063"]
[BlackElo "1887"]
[PlyCount "66"]
[EventDate "2006.08.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. 0-0 Nf6 5. c3 d6 6. d4 exd4 7. cxd4 Bb6 8. h3 d5 9. exd5 Nxd5 10. Ng5 0-0 11. Qf3 Nf6 12. Rd1 Nxd4 13. Qd3 Bf5 14. Qf1 h6 15. Nf3 Nxf3+ 16. gxf3 Qc8 17. Kh2 Bxb1 18. Rxb1 Qf5 19. Qg2 Qxb1 20. Bd3 Qxa2 21. Rg1 Ne8 22. Bxh6 Qxb2 23. Qg4 Qf6 24. Bf4 g6 25. Qg3 Bxf2 26. Qxf2 Qxf4+ 27. Kh1 Rd8 28. Rg4 Qd6 29. Bc4 Kg7 30. Qe3 Qd1+ 31. Rg1 Qd4 32. Qe7 Qd7 33. Qe4 Qxh3# 0-1

[Event "Davos op 5th"]
[Site "Davos"]
[Date "2006.08.10"]
[Round "5"]
[White "Goris Schouwstra, Adry"]
[Black "Sieber, Wolfgang"]
[Result "1/2-1/2"]
[ECO "D04"]
[WhiteElo "1884"]
[BlackElo "1887"]
[PlyCount "56"]
[EventDate "2006.08.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. e3 c5 4. c4 Nc6 5. cxd5 Nxd5 6. a3 e6 7. Be2 cxd4 8. Nxd4 Nxd4 9. Qxd4 Bd7 10. 0-0 Nf6 11. Nc3 Be7 12. e4 0-0 13. e5 Ne8 14. Be3 f6 15. exf6 Nxf6 16. Bf3 Qc8 17. Rac1 Bc6 18. Bxc6 Qxc6 19. Ne2 Qb5 20. Qc4 Qxb2 21. Qxe6+ Rf7 22. Ng3 Qxa3 23. Rc8+ Rxc8 24. Qxc8+ Bf8 25. Qe6 a5 26. Rb1 Qe7 27. Qa2 Qc7 28. Bb6 Qd7 1/2-1/2

[Event "Davos op 5th"]
[Site "Davos"]
[Date "2006.08.08"]
[Round "3"]
[White "Kempen, Veit"]
[Black "Sieber, Wolfgang"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "1590"]
[BlackElo "1887"]
[PlyCount "87"]
[EventDate "2006.08.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Be3 Qf6 6. c3 Nge7 7. Be2 d5 8. Bf3 dxe4 9. Bxe4 Bd7 10. 0-0 0-0-0 11. Nc2 Bf5 12. Qf3 Bxe4 13. Qxe4 Bd6 14. Qa4 a6 15. Nd2 Rhe8 16. Ne4 Qg6 17. Nxd6+ Rxd6 18. Nd4 Red8 19. Rad1 Nxd4 20. Rxd4 Rxd4 21. Bxd4 Nf5 22. Be5 Qe6 23. Bf4 f6 24. Qa5 Rd7 25. Qc5 g5 26. Bg3 h5 27. h3 Nxg3 28. fxg3 Rd2 29. Qf8+ Kd7 30. Rxf6 Qe3+ 31. Kh2 h4 32. Qg7+ Kc8 33. Rf8+ Rd8 34. Rxd8+ Kxd8 35. Qf6+ Kd7 36. gxh4 gxh4 37. Qd4+ Qxd4 38. cxd4 Kd6 39. g4 hxg3+ 40. Kxg3 Kd5 41. Kf4 Kxd4 42. h4 Kd5 43. Kf5 c5 44. h5 1-0

[Event "Davos op 5th"]
[Site "Davos"]
[Date "2006.08.07"]
[Round "2"]
[White "Sieber, Wolfgang"]
[Black "Curien, Nicolas"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "1887"]
[BlackElo "2253"]
[PlyCount "64"]
[EventDate "2006.08.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bd7 6. Bd3 cxd4 7. cxd4 Qb6 8. Bc2 Nb4 9. 0-0 Nxc2 10. Qxc2 Ne7 11. Nc3 Nc6 12. Rd1 Rc8 13. Qe2 h6 14. Be3 Be7 15. Rac1 0-0 16. Qd2 f5 17. Ne2 Bb4 18. Nc3 Na5 19. Bxh6 gxh6 20. Qxh6 Rf7 21. Ng5 Bf8 22. Qh5 Rg7 23. Rd3 Be7 24. Rg3 Bxg5 25. Rxg5 Qd8 26. Rxg7+ Kxg7 27. Rd1 Be8 28. Qh3 Bg6 29. Rd3 Qg5 30. f4 Qxf4 31. Ne2 Qg4 32. Qe3 f4 0-1

[Event "Zuerich Seniors op 4th"]
[Site "Zuerich"]
[Date "2006.??.??"]
[Round "?"]
[White "Sieber, Wolfgang"]
[Black "Brkic, Vladimir"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "1887"]
[PlyCount "43"]
[EventDate "2006.01.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. Bc4 Bg4 4. Nc3 c6 5. h3 Bxf3 6. Qxf3 Qf6 7. Qe2 Nd7 8. d3 Nb6 9. Bb3 g6 10. 0-0 Qh4 11. f4 f6 12. Be3 Bh6 13. fxe5 Bxe3+ 14. Qxe3 dxe5 15. d4 exd4 16. Qxd4 Nd7 17. Rad1 Ne5 18. Qd6 Qg3 19. Qe6+ Kf8 20. Rd7 Qe3+ 21. Kh1 Nh6 22. Qe7# 1-0

[Event "Zuerich Seniors op 4th"]
[Site "Zuerich"]
[Date "2006.??.??"]
[Round "?"]
[White "Weidmann, Armin"]
[Black "Sieber, Wolfgang"]
[Result "0-1"]
[ECO "C47"]
[BlackElo "1887"]
[PlyCount "56"]
[EventDate "2006.01.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d3 h6 5. h3 Bc5 6. a3 d6 7. Nd5 Nxd5 8. exd5 Ne7 9. c4 0-0 10. Be3 Bxe3 11. fxe3 Nf5 12. Qd2 Ng3 13. Rg1 f5 14. 0-0-0 c6 15. dxc6 bxc6 16. Qf2 f4 17. e4 Qb6 18. Qd2 Rb8 19. Re1 Be6 20. Be2 Nxe2+ 21. Rxe2 Rf7 22. Qc3 Rfb7 23. Rd1 c5 24. Rc2 Qa6 25. Nd2 Bd7 26. Nb1 Ba4 27. Qe1 Bxc2 28. Kxc2 Rxb2+ 0-1

[Event "Davos op 4th"]
[Site "Davos"]
[Date "2005.08.07"]
[Round "9"]
[White "Sieber, Wolfgang"]
[Black "Arocha, Carlos"]
[Result "1/2-1/2"]
[ECO "C02"]
[WhiteElo "1866"]
[PlyCount "59"]
[EventDate "2005.07.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Qb6 5. Nf3 Bd7 6. Qc2 Nc6 7. Be3 Rc8 8. dxc5 Bxc5 9. Bxc5 Qxc5 10. Nbd2 Nh6 11. h3 Nf5 12. Nb3 Nfd4 13. Nfxd4 Nxd4 14. Qd2 Nxb3 15. axb3 Qb6 16. Bd3 a6 17. b4 Bb5 18. 0-0 0-0 19. Kh1 Bxd3 20. Qxd3 Rc4 21. Rae1 Rfc8 22. f4 d4 23. Re4 h6 24. f5 exf5 25. Rxf5 Qc6 26. Rxd4 Rxd4 27. cxd4 Rd8 28. Rf3 Qd5 29. Qf5 Rd7 30. Rd3 1/2-1/2

[Event "Davos op 4th"]
[Site "Davos"]
[Date "2005.08.06"]
[Round "8"]
[White "Steiert, Roland"]
[Black "Sieber, Wolfgang"]
[Result "1/2-1/2"]
[ECO "A04"]
[WhiteElo "1683"]
[BlackElo "1866"]
[PlyCount "92"]
[EventDate "2005.07.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 Nc6 3. Bg2 e5 4. d3 Bc5 5. 0-0 d6 6. c3 h6 7. Nbd2 0-0 8. Qa4 Be6 9. Qh4 Ne7 10. Ne4 Nxe4 11. dxe4 f6 12. Bxh6 gxh6 13. Qxh6 Rf7 14. Ng5 fxg5 15. Qxe6 Kg7 16. Qg4 Ng6 17. a4 a5 18. e3 Qe7 19. Qe2 c6 20. Rfb1 Raf8 21. Rf1 Rh8 22. Bf3 Kf8 23. Kg2 Rfh7 24. Rh1 Rh6 25. Bg4 Qh7 26. h3 Ne7 27. Qf3+ Ke8 28. Bf5 Nxf5 29. Qxf5 Qxf5 30. exf5 e4 31. g4 d5 32. Ra2 Kd7 33. b3 Kd6 34. Rd2 Kc7 35. Ra2 Kd6 36. Rh2 Ke5 37. Rd2 R6h7 38. Ra2 Kd6 39. Rd2 Ke5 40. Rc2 Kd6 41. Rd2 Ke5 42. Ra2 Bb6 43. Rd2 Bc7 44. c4 Bb6 45. cxd5 cxd5 46. Rh1 Rh6 1/2-1/2

[Event "Davos op 4th"]
[Site "Davos"]
[Date "2005.08.05"]
[Round "7"]
[White "Bosshard, Rolf"]
[Black "Sieber, Wolfgang"]
[Result "1-0"]
[ECO "A47"]
[WhiteElo "1868"]
[BlackElo "1866"]
[PlyCount "72"]
[EventDate "2005.07.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 b6 3. Bf4 Bb7 4. Nbd2 e6 5. e3 c5 6. c3 Be7 7. h3 0-0 8. Bd3 Nd5 9. Bg3 f5 10. 0-0 f4 11. exf4 Nxf4 12. Bxf4 Rxf4 13. Qe2 cxd4 14. Nxd4 Nc6 15. N2f3 Nxd4 16. Nxd4 Bd6 17. Rad1 Qg5 18. f3 Rh4 19. f4 Rxf4 20. Nf3 Bxf3 21. Rxf3 Rxf3 22. Qxf3 Rf8 23. Bxh7+ Kxh7 24. Qd3+ Qf5 25. Qxd6 Qf2+ 26. Kh1 Rf7 27. Qd3+ Kg8 28. Qb5 d5 29. Qe8+ Kh7 30. Qxe6 Rf5 31. Qe7 a5 32. Rd4 Qxb2 33. Rh4+ Kg6 34. Qe6+ Kg5 35. Rg4+ Kh5 36. Qxf5+ Kh6 1-0

[Event "Davos op 4th"]
[Site "Davos"]
[Date "2005.08.04"]
[Round "6"]
[White "Sieber, Wolfgang"]
[Black "Faraone, Ettore"]
[Result "0-1"]
[ECO "C51"]
[WhiteElo "1866"]
[PlyCount "80"]
[EventDate "2005.07.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Be7 5. c3 b5 6. Bxb5 Nf6 7. Bxc6 dxc6 8. Nxe5 Qd6 9. d4 0-0 10. 0-0 Nxe4 11. Re1 Nf6 12. Ba3 Bb7 13. c4 Qd8 14. Nc3 a5 15. Rb1 Nd7 16. bxa5 Bxa3 17. Rxb7 Nxe5 18. Rxe5 Bd6 19. Re3 Rxa5 20. Rb2 c5 21. d5 Qh4 22. Rh3 Qxc4 23. Re2 Qd4 24. Qc2 g6 25. Re4 Qf6 26. Reh4 Re8 27. g4 Re1+ 28. Kg2 Qf4 29. Ne2 Qe5 30. Qd2 Qe4+ 31. Rf3 Ra3 32. Qxe1 Qxf3+ 33. Kg1 Qf6 34. f4 Rxa2 35. g5 Qb2 36. Kf1 Ra1 37. Ng3 Rxe1+ 38. Kxe1 Qb4+ 39. Ke2 Qc4+ 40. Kf3 Qxd5+ 0-1

[Event "Davos op 4th"]
[Site "Davos"]
[Date "2005.08.03"]
[Round "5"]
[White "Sieber, Wolfgang"]
[Black "Keller, Felix"]
[Result "1/2-1/2"]
[ECO "C18"]
[WhiteElo "1866"]
[PlyCount "160"]
[EventDate "2005.07.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 Ne7 5. Bg5 c5 6. a3 cxd4 7. Qxd4 Nbc6 8. Bb5 Bxc3+ 9. Qxc3 Bd7 10. Bxc6 Bxc6 11. Nf3 h6 12. Bxe7 Qxe7 13. 0-0 0-0 14. Nd4 Rac8 15. Qg3 Qc5 16. c3 Bd7 17. Kh1 b5 18. f4 a5 19. f5 exf5 20. Nxf5 Bxf5 21. Rxf5 Rc6 22. Raf1 b4 23. axb4 axb4 24. cxb4 Qxb4 25. Qf3 Qe4 26. Rxf7 Qxf3 27. R7xf3 Rxf3 28. gxf3 Rc2 29. Rd1 Rxb2 30. Rxd5 Rf2 31. Rd3 Kf7 32. Kg1 Re2 33. f4 Re4 34. Rf3 Ke6 35. Kf2 Kf5 36. Kg3 h5 37. Kh4 Re2 38. Kg3 g6 39. Rf1 Re4 40. h4 Re3+ 41. Rf3 Re1 42. Ra3 Rg1+ 43. Kf3 Rg4 44. Re3 Rxh4 45. Kg3 Rg4+ 46. Kf3 Rxf4+ 47. Kg3 Rg4+ 48. Kf3 Ke6 49. Re1 Rg5 50. Kf4 Rf5+ 51. Kg3 Rxe5 52. Ra1 Kf5 53. Rf1+ Kg5 54. Rf3 h4+ 55. Kh3 Re1 56. Ra3 Rf1 57. Ra5+ Rf5 58. Ra4 Rf3+ 59. Kg2 Rf4 60. Ra6 Kh5 61. Kh3 Rf3+ 62. Kg2 Rg3+ 63. Kh2 g5 64. Ra4 Rf3 65. Kg2 Rb3 66. Ra5 h3+ 67. Kh2 Kh4 68. Ra4+ g4 69. Rc4 Rb2+ 70. Kg1 h2+ 71. Kh1 Rb1+ 72. Kxh2 Rb2+ 73. Kg1 Kh3 74. Rc3+ g3 75. Rc1 Rd2 76. Re1 Kg4 77. Rb1 Ra2 78. Rc1 Rb2 79. Ra1 Rc2 80. Rb1 Ra2 1/2-1/2

[Event "Davos op 4th"]
[Site "Davos"]
[Date "2005.08.02"]
[Round "4"]
[White "Mengler, Marc"]
[Black "Sieber, Wolfgang"]
[Result "0-1"]
[ECO "C48"]
[WhiteElo "2078"]
[BlackElo "1866"]
[PlyCount "54"]
[EventDate "2005.07.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bc5 5. 0-0 d6 6. d4 exd4 7. Nd5 a6 8. Ba4 b5 9. Bb3 Nxd5 10. Bxd5 Qd7 11. b4 Bb6 12. Bb2 Rb8 13. Bxc6 Qxc6 14. Nxd4 Bxd4 15. Qxd4 f6 16. f4 0-0 17. e5 Bb7 18. Rf3 fxe5 19. Qf2 Qd7 20. Rg3 Rxf4 21. Qe2 Qf7 22. Rd1 Rf8 23. Qd3 Be4 24. Qe2 Rf2 25. Qe1 Rxc2 26. Bc1 Qf2+ 27. Kh1 Bxg2+ 0-1

[Event "Davos op 4th"]
[Site "Davos"]
[Date "2005.08.01"]
[Round "3"]
[White "Sieber, Wolfgang"]
[Black "Taylor, Martin R"]
[Result "0-1"]
[ECO "C51"]
[WhiteElo "1866"]
[BlackElo "2316"]
[PlyCount "80"]
[EventDate "2005.07.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bb6 5. a4 a6 6. c3 Nf6 7. Qb3 0-0 8. d3 d6 9. Nbd2 Ne7 10. 0-0 c6 11. Qc2 d5 12. exd5 cxd5 13. Ba2 Ng6 14. Bb2 Bc7 15. Rfe1 Re8 16. c4 d4 17. c5 Bg4 18. h3 Bf5 19. Ng5 Nd5 20. Nde4 h6 21. Nf3 Nxb4 22. Qb3 Nxa2 23. Qxa2 Nf4 24. Qb3 Be6 25. Qc2 Rc8 26. Ba3 Bd5 27. Qd2 Ba5 28. Bb4 Bxb4 29. Qxb4 Nxd3 30. Qa3 Nxe1 31. Rxe1 Bxe4 32. Rxe4 Qd5 33. Qd3 Qxc5 34. Kh2 Qc2 35. Qxc2 Rxc2 36. Rxe5 Rxe5 37. Nxe5 Rxf2 38. Kg1 Re2 39. Nd3 Re3 40. Nf2 d3 0-1

[Event "Davos op 4th"]
[Site "Davos"]
[Date "2005.07.31"]
[Round "2"]
[White "Giacomini, Plinio"]
[Black "Sieber, Wolfgang"]
[Result "1/2-1/2"]
[ECO "C45"]
[WhiteElo "2057"]
[BlackElo "1866"]
[PlyCount "44"]
[EventDate "2005.07.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Be3 Qf6 6. c3 Nge7 7. Bc4 Ne5 8. Be2 Qg6 9. 0-0 Qxe4 10. b4 Bb6 11. Nd2 Qg6 12. c4 Bxd4 13. Bxd4 d6 14. Bh5 Qf5 15. b5 0-0 16. h3 Be6 17. Rc1 d5 18. c5 c6 19. a4 f6 20. Rc3 Bf7 21. Be2 g5 22. Re1 N7g6 1/2-1/2

[Event "Davos op 4th"]
[Site "Davos"]
[Date "2005.07.30"]
[Round "1"]
[White "Sieber, Wolfgang"]
[Black "Cavaletto, Massimo"]
[Result "1/2-1/2"]
[ECO "A43"]
[WhiteElo "1866"]
[BlackElo "2153"]
[PlyCount "117"]
[EventDate "2005.07.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 e6 2. d4 c5 3. d5 exd5 4. exd5 d6 5. Bb5+ Nd7 6. c4 Ngf6 7. Nf3 Be7 8. 0-0 0-0 9. Nc3 a6 10. Ba4 Nb6 11. Bb3 h6 12. Qd3 Re8 13. Bc2 Bf8 14. b3 g6 15. Nh4 Qe7 16. Bb2 Nbd7 17. Nf3 Bg7 18. Rfe1 Qf8 19. Rab1 Ng4 20. Ne4 Nde5 21. Nxe5 Nxe5 22. Bxe5 Rxe5 23. f4 Re8 24. Ng3 f5 25. Rxe8 Qxe8 26. Kf1 Bd7 27. Re1 Qf8 28. Re3 Bd4 29. Rf3 h5 30. Ne2 Bf6 31. Rg3 Qf7 32. Qf3 Kf8 33. Qd3 b5 34. Re3 Rb8 35. Nc3 Bd4 36. Re2 Qf6 37. Nd1 Re8 38. Rxe8+ Bxe8 39. Qe2 Bd7 40. g3 Qd8 41. Bd3 Qa5 42. Kg2 Qb4 43. Ne3 Qc3 44. Nd1 Qa1 45. Qc2 Bf6 46. Ne3 Qd4 47. Qe2 b4 48. Qd2 a5 49. Qe2 a4 50. Kf3 axb3 51. axb3 Qa1 52. Kg2 Bd4 53. Nd1 Qa3 54. Bc2 Qc1 55. Nf2 Kf7 56. Nd1 Kf6 57. h4 Kf7 58. Nf2 Bf6 59. Nd1 1/2-1/2

[Event "Zuerich Seniors op 3rd"]
[Site "Zuerich"]
[Date "2005.01.25"]
[Round "2"]
[White "Sieber, Wolfgang"]
[Black "Brand, Michel"]
[Result "1/2-1/2"]
[ECO "B21"]
[WhiteElo "1796"]
[BlackElo "1638"]
[PlyCount "60"]
[EventDate "2005.01.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 e6 6. Bc4 a6 7. a4 Bb4 8. 0-0 Nge7 9. Qe2 0-0 10. Re1 Qc7 11. Be3 Ng6 12. Rac1 Qa5 13. Bb3 Nce5 14. Nxe5 Qxe5 15. Qd2 Bxc3 16. Rxc3 Qxe4 17. Bc2 Qe5 18. f4 Qf6 19. Rf1 d5 20. Bd4 Qd8 21. Rg3 Bd7 22. Qe2 f5 23. Qh5 Be8 24. Rh3 h6 25. Rg3 Rf6 26. Bxf6 Qxf6 27. Qe2 Bf7 28. b3 Qd4+ 29. Qe3 Qxe3+ 30. Rxe3 Rc8 1/2-1/2

[Event "Davos op 3rd"]
[Site "Davos"]
[Date "2004.08.03"]
[Round "4"]
[White "Sieber, Wolfgang"]
[Black "Habibi, Ali"]
[Result "0-1"]
[ECO "B21"]
[WhiteElo "1840"]
[BlackElo "2269"]
[PlyCount "38"]
[EventDate "2004.07.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "CBM 101 Extra"]
[Source "ChessBase"]
[SourceDate "2004.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2004.09.01"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 d3 4. Bxd3 Nc6 5. Nf3 d6 6. h3 g6 7. Be3 Nf6 8. Nbd2 Bg7 9. 0-0 0-0 10. Qe2 h6 11. Rad1 Qc7 12. Nh4 Qa5 13. Ndf3 Qh5 14. g4 Nxg4 15. hxg4 Bxg4 16. Bd4 Nxd4 17. cxd4 g5 18. Kg2 gxh4 19. Rh1 h3+ 0-1

[Event "Davos op 3rd"]
[Site "Davos"]
[Date "2004.07.31"]
[Round "1"]
[White "Erenska Barlo, Hanna"]
[Black "Sieber, Wolfgang"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "2237"]
[BlackElo "1840"]
[PlyCount "130"]
[EventDate "2004.07.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "CBM 101 Extra"]
[Source "ChessBase"]
[SourceDate "2004.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2004.09.01"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Bc5 3. d3 Nc6 4. c3 d6 5. Nf3 h6 6. Bb3 Nf6 7. Be3 Bb6 8. Nbd2 0-0 9. Qe2 Be6 10. h3 Bxb3 11. axb3 Nd7 12. g4 Qe7 13. b4 Nd8 14. Nc4 Ne6 15. Kd2 Rfe8 16. Kc2 Nf4 17. Qd2 g5 18. h4 f6 19. hxg5 hxg5 20. Rh6 Kg7 21. Bxf4 Kxh6 22. Nh4 Qe6 23. Nf5+ Kg6 24. Be3 Rh8 25. Na5 Bxa5 26. Rxa5 b6 27. Ra6 Nb8 28. Ra3 Nc6 29. b5 Ne7 30. d4 Qf7 31. d5 Nxf5 32. exf5+ Kg7 33. c4 Qg8 34. Ra1 Qh7 35. Qe2 Qh3 36. Rg1 a5 37. bxa6 Rxa6 38. c5 Raa8 39. cxb6 cxb6 40. Kb1 Rhc8 41. Qd1 b5 42. f3 Qh8 43. Rh1 Qd8 44. Qd2 Qa5 45. Qxa5 Rxa5 46. Bd2 Ra4 47. Be3 b4 48. Rd1 Rh8 49. Kc2 Rh3 50. Kb3 Ra8 51. Kxb4 Rb8+ 52. Ka3 Rxf3 53. Rd3 Rh8 54. Rc3 Rhh3 55. Bd2 Rxc3+ 56. Bxc3 Kf7 57. Kb4 Ke7 58. Kc4 Rg3 59. b4 Rxg4+ 60. Kb5 Kd7 61. Ka6 Kc7 62. Ka5 Kb7 63. Bb2 Rf4 64. b5 Rf3 65. Bc1 g4 0-1

[Event "Samnaun Seniors"]
[Site "Samnaun"]
[Date "2004.07.08"]
[Round "1"]
[White "Sieber, Wolfgang"]
[Black "Karl, Hans"]
[Result "0-1"]
[ECO "C52"]
[WhiteElo "2011"]
[BlackElo "2271"]
[PlyCount "42"]
[EventDate "2004.07.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. d4 Qf6 7. 0-0 Bb6 8. dxe5 Nxe5 9. Nxe5 Qxe5 10. Kh1 d6 11. f4 Qe7 12. e5 Be6 13. exd6 Qxd6 14. Bb5+ Kf8 15. Ba3 Bc5 16. Bxc5 Qxc5 17. Ba4 Nf6 18. Bc2 Ng4 19. Qe1 Bc4 20. Rf3 Re8 21. Qd2 Be2 0-1

[Event "Winterthur op"]
[Site "Winterthur"]
[Date "2003.10.03"]
[Round "1"]
[White "Kuhn, Thomas"]
[Black "Sieber, Wolfgang"]
[Result "1-0"]
[ECO "A47"]
[WhiteElo "2260"]
[PlyCount "53"]
[EventDate "2003.10.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "CBM 096 Extra"]
[Source "ChessBase"]
[SourceDate "2003.10.22"]
[SourceVersion "2"]
[SourceVersionDate "2003.10.20"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 b6 3. Bg5 Bb7 4. Bxf6 exf6 5. Nbd2 c5 6. e3 cxd4 7. exd4 Be7 8. Bd3 Nc6 9. c3 Rc8 10. 0-0 0-0 11. Re1 Bd6 12. Qa4 Bb8 13. Re2 Ne7 14. Be4 Bxe4 15. Rxe4 f5 16. Ree1 Rc6 17. Ne5 Rd6 18. Ndf3 Ng6 19. Qc2 Nxe5 20. dxe5 Rd5 21. Qxf5 f6 22. Qe4 Rc5 23. e6 dxe6 24. Qxe6+ Kh8 25. Rad1 Qc7 26. Rd7 Qf4 27. Qf7 1-0

[Event "Winterthur op2"]
[Site "Winterthur"]
[Date "2002.10.13"]
[Round "3"]
[White "Sieber, Wolfgang"]
[Black "Lang, Erich"]
[Result "0-1"]
[ECO "C17"]
[WhiteElo "1861"]
[BlackElo "2084"]
[PlyCount "60"]
[EventDate "2002.10.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. Nf3 cxd4 6. Nxd4 Qc7 7. Bb5+ Bd7 8. 0-0 Bxc3 9. Bxd7+ Nxd7 10. Nb5 Qxe5 11. f4 Qb8 12. Nxc3 Ne7 13. Qe2 0-0 14. b3 Qd6 15. Kh1 a6 16. Bb2 Rac8 17. Rad1 Qc6 18. Rd3 Nf5 19. Rf2 Nc5 20. Rh3 d4 21. Nd1 Ne4 22. Rf1 Qxc2 23. Qg4 Rfd8 24. Qh5 h6 25. Qg4 Nc3 26. Nxc3 Qxb2 27. Ne4 Rc1 28. Qf3 Rxf1+ 29. Qxf1 Ne3 30. Qg1 Rc8 0-1

[Event "Winterthur op2"]
[Site "Winterthur"]
[Date "2002.10.11"]
[Round "1"]
[White "Sieber, Wolfgang"]
[Black "Ikonnikov, Vyacheslav"]
[Result "0-1"]
[ECO "B21"]
[WhiteElo "1861"]
[BlackElo "2527"]
[PlyCount "74"]
[EventDate "2002.10.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 e6 6. Bc4 Qc7 7. 0-0 a6 8. a4 Bd6 9. Qe2 Nge7 10. Be3 Ng6 11. Rfd1 Nce5 12. Nxe5 Bxe5 13. h3 b6 14. Rac1 0-0 15. Bb3 Qb8 16. Bd4 Bf4 17. Be3 Bd6 18. Qd2 Bc5 19. Bxc5 bxc5 20. Ba2 Ne5 21. Qe3 Qb4 22. f4 Nc6 23. Rd2 Nd4 24. Kh1 Bb7 25. b3 Rad8 26. Ne2 Nxe2 27. Rxe2 d5 28. exd5 exd5 29. Rxc5 d4 30. Qc1 d3 31. Rd2 Qxf4 32. Bb1 Qg3 33. Kg1 Rfe8 34. Kf1 Re2 35. Rxe2 dxe2+ 36. Kxe2 Qxg2+ 37. Ke1 Re8+ 0-1

[Event "SUI-ch opB"]
[Site "Leukerbad"]
[Date "2002.07.17"]
[Round "5"]
[White "Sieber, Wolfgang"]
[Black "Aouissi, Mohamed"]
[Result "1-0"]
[ECO "B02"]
[PlyCount "57"]
[EventDate "2002.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 Nf6 2. Nc3 d5 3. exd5 Nxd5 4. Bc4 Nxc3 5. bxc3 e6 6. Nf3 Bd7 7. Rb1 Nc6 8. d4 Na5 9. Bd3 Bc6 10. 0-0 Be7 11. Ne5 Qd5 12. Nxc6 bxc6 13. Qe2 0-0 14. Be4 Qxa2 15. Bf4 f5 16. Ra1 Qc4 17. Bd3 Qd5 18. Rxa5 Qxa5 19. Qxe6+ Kh8 20. Qxe7 Rae8 21. Qxc7 Qxc3 22. Be5 Rg8 23. Qxa7 Ra8 24. Bxg7+ Rxg7 25. Qxa8+ Rg8 26. Qa1 Qd2 27. d5+ Rg7 28. Rb1 Qf4 29. Rb7 1-0

[Event "Basel Hilton op 03rd"]
[Site "Basel"]
[Date "2001.01.06"]
[Round "6"]
[White "Hobuss, Wolfgang"]
[Black "Sieber, Wolfgang"]
[Result "1-0"]
[ECO "A30"]
[WhiteElo "2117"]
[PlyCount "129"]
[EventDate "2001.01.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "CBM 080 Extra"]
[Source "ChessBase"]
[SourceDate "2001.03.08"]
[SourceVersion "1"]
[SourceVersionDate "2001.03.08"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 b6 3. Bg2 Bb7 4. 0-0 c5 5. c4 e6 6. Nc3 Be7 7. d4 cxd4 8. Nxd4 Bxg2 9. Kxg2 Qc7 10. b3 a6 11. e4 0-0 12. Be3 Nc6 13. Rc1 Rac8 14. f3 Rfd8 15. Nd5 exd5 16. cxd5 Qe5 17. Nf5 Ba3 18. Bxb6 Nb8 19. Rxc8 Rxc8 20. Bd4 Qc7 21. Rf2 d6 22. Qd2 Qc1 23. Ne7+ Kf8 24. Nxc8 Qxc8 25. Qd3 Nbd7 26. Rc2 Qb7 27. Qc3 Bc5 28. Bxc5 Nxc5 29. b4 Ncd7 30. Qc8+ Qxc8 31. Rxc8+ Ke7 32. Ra8 Nb6 33. Rxa6 Nfd7 34. a4 Kd8 35. a5 Nc4 36. Rc6 Nde5 37. Ra6 Kc8 38. f4 Kb7 39. b5 Nd7 40. Kf3 Nb8 41. Rc6 Nxc6 42. dxc6+ Kc7 43. a6 Nb6 44. Ke3 Nc8 45. Kd4 Kb6 46. Kd5 Kxb5 47. a7 Nxa7 48. Kxd6 Nxc6 49. Kd7 Kc5 50. Ke8 f6 51. Kf7 g5 52. Kxf6 gxf4 53. gxf4 Kd6 54. e5+ Kd7 55. f5 Ke8 56. h4 h5 57. e6 Ne7 58. Kg5 Nxf5 59. Kxf5 Ke7 60. Ke5 Ke8 61. Kf6 Kf8 62. Kg6 Ke7 63. Kxh5 Kxe6 64. Kg6 Ke7 65. Kg7 1-0

[Event "Basel Hilton op 03rd"]
[Site "Basel"]
[Date "2001.01.01"]
[Round "1"]
[White "Wildi, Marcel"]
[Black "Sieber, Wolfgang"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "2324"]
[PlyCount "53"]
[EventDate "2001.01.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "CBM 080 Extra"]
[Source "ChessBase"]
[SourceDate "2001.03.08"]
[SourceVersion "1"]
[SourceVersionDate "2001.03.08"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. d3 Nc6 4. Nf3 h6 5. 0-0 Bc5 6. c3 d6 7. Nbd2 0-0 8. Re1 Bg4 9. h3 Bh5 10. Nf1 Qd7 11. Ng3 Bg6 12. Nh4 Bh7 13. Qf3 Ne8 14. b4 Bb6 15. Bb2 Rd8 16. Bd5 Nf6 17. a4 a5 18. b5 Ne7 19. Bxb7 Rb8 20. Ba6 Rbe8 21. Rad1 d5 22. Ba3 d4 23. c4 Kh8 24. Bb7 Rg8 25. Nhf5 Bxf5 26. Nxf5 Ng6 27. Bc6 1-0

[Event "SUI-ch Hauptturnier II"]
[Site "Graechen"]
[Date "1999.??.??"]
[Round "5"]
[White "Hennet, Jerome"]
[Black "Sieber, Wolfgang"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "1670"]
[BlackElo "1815"]
[PlyCount "76"]
[EventDate "1999.07.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. Be3 Bb6 6. 0-0 d6 7. h3 h6 8. Nc3 Ne7 9. d4 exd4 10. Bxd4 Nc6 11. Bxb6 axb6 12. Re1 Qe7 13. Qe2 0-0 14. Nd5 Qd8 15. Qd3 Nxd5 16. exd5 Ne7 17. Re2 Bf5 18. Qd2 Ng6 19. Rae1 Qd7 20. Kh2 Ra4 21. Bb3 Rf4 22. Ng1 Rh4 23. Re3 Ne5 24. Rg3 Kh7 25. f4 Ng4+ 26. Kh1 g5 27. Nf3 Rh5 28. Kg1 Nf6 29. fxg5 Ne4 30. Rxe4 Bxe4 31. Nd4 Rxg5 32. Rxg5 hxg5 33. Qxg5 Bg6 34. c4 Re8 35. Kh2 Re5 36. Qf4 Qe7 37. Bd1 Re4 38. Qf2 Qe5+ 0-1

[Event "Arosa HT2 op"]
[Site "Arosa"]
[Date "1996.07.16"]
[Round "6.1"]
[White "Moscribroda, Thomas"]
[Black "Sieber, Wolfgang"]
[Result "1-0"]
[ECO "A30"]
[WhiteElo "1685"]
[BlackElo "1750"]
[PlyCount "63"]
[EventDate "1996.07.11"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 b6 3. g3 Bb7 4. Bg2 e6 5. c4 c5 6. 0-0 cxd4 7. Nxd4 Bxg2 8. Kxg2 Bc5 9. Nc3 0-0 10. Ndb5 a6 11. Nd6 Nc6 12. Nce4 Nxe4 13. Nxe4 f5 14. Bg5 Qc7 15. Nxc5 bxc5 16. Bf4 e5 17. Bc1 Nd4 18. e3 Ne6 19. Qd5 Kh8 20. Rd1 Rad8 21. b3 f4 22. Bb2 f3+ 23. Kf1 Rf5 24. Qd6 Qb7 25. Qxe6 Qe4 26. Rxd7 Rg8 27. h3 Rh5 28. Rad1 Rh6 29. Qxe5 Qg4 30. Qxg7+ Qxg7 31. Rxg7 Rxh3 32. Rg4+ 1-0

[Event "Arosa HT2 op"]
[Site "Arosa"]
[Date "1996.07.15"]
[Round "5.4"]
[White "Sieber, Wolfgang"]
[Black "Tscharner, Beat"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1750"]
[BlackElo "1775"]
[PlyCount "49"]
[EventDate "1996.07.11"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. d4 Nxd5 4. Nf3 Bg4 5. Be2 e6 6. c4 Nb6 7. Nc3 Nc6 8. 0-0 Be7 9. b3 0-0 10. Bb2 Bf6 11. Ne4 Re8 12. Qc2 Bxd4 13. Rad1 Bxf3 14. Bxf3 e5 15. Bc1 h6 16. Kh1 Qe7 17. Bg4 Nb4 18. Qe2 c5 19. a3 Nc6 20. Bf5 g6 21. Bxh6 gxf5 22. Rd3 Qe6 23. Rg3+ Kh7 24. Qh5 Qxh6 25. Nf6+ 1-0

[Event "Zuerich sim"]
[Site "Zuerich"]
[Date "1988.??.??"]
[Round "?"]
[White "Timman, Jan H"]
[Black "Sieber, Wolfgang"]
[Result "1-0"]
[ECO "C58"]
[WhiteElo "2675"]
[PlyCount "101"]
[EventDate "1988.??.??"]
[EventType "simul"]
[EventRounds "1"]
[EventCountry "SUI"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Qf3 Bd7 9. Be2 Bd6 10. d3 Bg4 11. Qe3 Nd5 12. Qd2 Bxe2 13. Qxe2 0-0 14. 0-0 h6 15. Ne4 Bc7 16. c4 Ne7 17. Be3 f5 18. Nec3 Qd6 19. Rd1 Rad8 20. Qh5 a6 21. Na3 f4 22. Ne4 Qe6 23. Bc5 Nb7 24. Bxe7 Qxe7 25. Nc2 Nd6 26. Qf3 Nf5 27. Rd2 Nh4 28. Qg4 Bb6 29. Rad1 f3 30. g3 Nf5 31. b4 Bd4 32. Qg6 Nd6 33. Nxd4 exd4 34. Nc5 Rde8 35. Rf1 Nb7 36. Qxc6 Nxc5 37. Qxc5 Qe1 38. Rd1 Qe6 39. Qd5 Qxd5 40. cxd5 Rd8 41. Rfe1 Rxd5 42. Rc1 Rb8 43. a3 a5 44. Rc4 axb4 45. axb4 Ra8 46. h4 Ra2 47. Re4 Ra1+ 48. Kh2 Rf1 49. Rcxd4 Rxf2+ 50. Kh3 Rf1 51. Rxd5 1-0

