[Event "Zuerich Seniors op 06th"]
[Site "Zuerich"]
[Date "2008.02.05"]
[Round "?"]
[White "Osio, Guido"]
[Black "Eggmann, Karl"]
[Result "0-1"]
[ECO "A15"]
[PlyCount "86"]
[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. c4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 e6 6. d3 d5 7. Qc2 Nbd7 8. b3 c5 9. Bb2 d4 10. Nbd2 Rb8 11. b4 b6 12. bxc5 bxc5 13. Rab1 Qa5 14. a4 Rb4 15. Ra1 Bb7 16. Nb3 Qc7 17. Rfb1 Rb8 18. Bc1 e5 19. a5 e4 20. Bf4 Qc8 21. Nfd2 exd3 22. exd3 Ra8 23. Bxb7 Rxb7 24. Nc1 Rxb1 25. Rxb1 Nh5 26. Ne2 f5 27. Nf3 Qc6 28. Ne1 Re8 29. Bc1 Qe6 30. Rb2 Ne5 31. Nf4 Nxf4 32. Bxf4 Ng4 33. Ng2 h6 34. Rb8 g5 35. Rxe8+ Qxe8 36. Bc1 Qh5 37. h4 gxh4 38. Nxh4 Bf6 39. Qe2 Bxh4 40. gxh4 Qg6 41. h5 Qxh5 42. Bf4 Qg6 43. Qe5 Nxe5+ 0-1

[Event "Zuerich Seniors op 06th"]
[Site "Zuerich"]
[Date "2008.??.??"]
[Round "?"]
[White "Neitzsch, Richard"]
[Black "Osio, Guido"]
[Result "0-1"]
[ECO "E77"]
[PlyCount "80"]
[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. d4 Nf6 2. c4 g6 3. Nc3 c5 4. d5 d6 5. e4 Bg7 6. Be2 0-0 7. f4 Nbd7 8. Nf3 b5 9. e5 Ne8 10. e6 fxe6 11. dxe6 Nb6 12. Ng5 Nxc4 13. Bxc4 bxc4 14. 0-0 Rb8 15. Nf7 Rxf7 16. exf7+ Kxf7 17. f5 Bd4+ 18. Kh1 Nf6 19. fxg6+ hxg6 20. Qf3 Kg7 21. Ne4 Bb7 22. Qf4 Bxe4 23. Qh6+ Kf7 24. Qh7+ Ke6 25. Rxf6+ Bxf6 26. Qh3+ Kf7 27. Qh7+ Ke8 28. Bf4 Rxb2 29. Re1 Bxg2+ 30. Kg1 Bd4+ 31. Be3 Bxe3+ 32. Rxe3 Kd7 33. Qf7 c3 34. Rxc3 Qa8 35. Qxg6 Rxa2 36. Re3 Bd5 37. Qf5+ e6 38. Qf7+ Kc6 39. Rg3 Qb8 40. Qg6 Qf8 0-1

[Event "Zuerich Seniors op 06th"]
[Site "Zuerich"]
[Date "2008.??.??"]
[Round "?"]
[White "Osio, Guido"]
[Black "Kammermann, Hans"]
[Result "1-0"]
[ECO "A14"]
[BlackElo "1379"]
[PlyCount "73"]
[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. c4 c5 2. Nf3 Nf6 3. g3 Nc6 4. Bg2 e6 5. 0-0 d5 6. b3 Be7 7. d3 d4 8. Bg5 0-0 9. Nbd2 h6 10. Bxf6 Bxf6 11. a3 b6 12. Ne5 Bxe5 13. Bxc6 Rb8 14. b4 Bb7 15. Bxb7 Rxb7 16. bxc5 bxc5 17. Qc2 Rb6 18. Rfb1 Rxb1+ 19. Rxb1 Qc7 20. Rb5 f5 21. f4 a6 22. Rb2 Bxf4 23. gxf4 Qxf4 24. Nf3 g5 25. Qd2 Qg4+ 26. Kh1 f4 27. Rb1 Qf5 28. Rg1 Kh7 29. Qe1 e5 30. Qf2 Rg8 31. Nd2 Rb8 32. Ne4 g4 33. Rxg4 Rb1+ 34. Rg1 Rxg1+ 35. Kxg1 Qh3 36. Qf3 Qxf3 37. exf3 1-0

[Event "Zuerich op-B 15th"]
[Site "Zuerich"]
[Date "1991.??.??"]
[Round "?"]
[White "Kolly, Jacques"]
[Black "Osio, Guido"]
[Result "0-1"]
[ECO "A16"]
[PlyCount "82"]
[EventDate "1991.12.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nf3 0-0 5. 0-0 d6 6. Nc3 Nbd7 7. b3 Rb8 8. Bb2 c5 9. e3 a6 10. Qe2 Ne4 11. Na4 Nef6 12. Nc3 Ne8 13. d4 b5 14. cxb5 axb5 15. dxc5 dxc5 16. Rad1 Nd6 17. Nd5 Nf6 18. Ne5 Bb7 19. Nxf6+ exf6 20. Rxd6 Qxd6 21. Rd1 Qe6 22. Nd7 Bxg2 23. Nxf8 Qc6 24. e4 Bxe4 25. Nd7 Rc8 26. Rc1 Bh1 27. f4 Qxd7 28. Kxh1 Qc6+ 29. Kg1 Bf8 30. Qg2 Qe8 31. Qf3 Rc6 32. g4 Re6 33. Rf1 c4 34. f5 Bc5+ 35. Kh1 Re1 36. h4 Rxf1+ 37. Qxf1 Qe4+ 38. Kh2 Bd6+ 39. Kh3 Qe3+ 40. Kg2 Qg3+ 41. Kh1 Qh2# 0-1

[Event "Zuerich op-B 15th"]
[Site "Zuerich"]
[Date "1991.??.??"]
[Round "?"]
[White "Umbach, Andreas"]
[Black "Osio, Guido"]
[Result "1-0"]
[ECO "E91"]
[PlyCount "107"]
[EventDate "1991.12.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. Nf3 c5 7. 0-0 Nbd7 8. Kh1 a6 9. Bg5 h6 10. Be3 Rb8 11. Qd2 Kh7 12. Rac1 b5 13. e5 Ng4 14. exd6 Nxe3 15. dxe7 Nxf1 16. exd8Q Nxd2 17. Qc7 Nxf3 18. Bxf3 Bxd4 19. cxb5 axb5 20. Re1 Bf6 21. Bc6 Bd8 22. Qd6 Rb6 23. Qd5 Nb8 24. Qxc5 Kg7 25. Bxb5 Be6 26. a4 Rb7 27. Nd5 Nd7 28. Qc6 Ra7 29. b4 Nf6 30. Nf4 Bd7 31. Qc4 Rc7 32. Qd3 Re8 33. Rd1 Ng4 34. Kg1 Bf5 35. Qxf5 Re1+ 36. Rxe1 gxf5 37. h3 Nf6 38. Bd3 Be7 39. b5 Bd6 40. Ne2 Bb4 41. Rb1 Nd5 42. Nd4 Ba5 43. Nc6 Bd2 44. a5 Nc3 45. Rb2 Bf4 46. Rc2 Nd5 47. g3 Bd6 48. b6 Rc8 49. Bxf5 Re8 50. Rd2 Re1+ 51. Kg2 Ne7 52. Nxe7 Bxe7 53. b7 Rb1 54. Bxb1 1-0

