[Event "Brocco op"]
[Site "Brocco"]
[Date "1990.??.??"]
[Round "1"]
[White "Hadorn, Marcel"]
[Black "Vogt, Lothar"]
[Result "0-1"]
[ECO "E97"]
[BlackElo "2505"]
[PlyCount "84"]
[EventDate "1990.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 0-0 5. e4 d6 6. Be2 e5 7. 0-0 Nc6 8. d5 Ne7 9. Nd2 a5 10. Rb1 Nd7 11. a3 f5 12. b4 Kh8 13. Qc2 Ng8 14. Nb5 axb4 15. axb4 Ndf6 16. f3 Nh5 17. Rd1 Ngf6 18. c5 Nf4 19. Bf1 fxe4 20. fxe4 Bg4 21. Re1 Ne8 22. Nc4 Bd7 23. Nc3 Bf6 24. Be3 Bg5 25. b5 Nh5 26. Bf2 Nhf6 27. b6 Ng4 28. Bg3 Bf4 29. Qd3 Bxg3 30. Qxg3 Nef6 31. h3 Nh5 32. Qd3 Qh4 33. bxc7 Qf2+ 34. Kh1 Ng3+ 35. Qxg3 Qxg3 36. hxg4 Qxc3 37. Rec1 Qg3 38. cxd6 Ra2 39. Rb2 Rxb2 40. Nxb2 Qh4+ 41. Kg1 Qf2+ 42. Kh1 Qxb2 0-1

[Event "Zuerich op-B 14th"]
[Site "Zuerich"]
[Date "1990.??.??"]
[Round "?"]
[White "Meier, T."]
[Black "Hadorn, Marcel"]
[Result "0-1"]
[ECO "C16"]
[WhiteElo "2295"]
[PlyCount "68"]
[EventDate "1990.12.26"]
[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 e6 2. e4 d5 3. Nc3 Bb4 4. e5 b6 5. a3 Bf8 6. Nf3 Ba6 7. Bxa6 Nxa6 8. 0-0 Qd7 9. Qd3 Nb8 10. Ne2 Nc6 11. b3 Nce7 12. c4 Nf5 13. Rd1 h5 14. Nf4 Nge7 15. a4 g6 16. a5 Bh6 17. axb6 cxb6 18. h3 h4 19. Nh2 0-0 20. Ng4 Bg7 21. Ne2 Kh8 22. Bg5 Ng8 23. Nf4 Rfc8 24. cxd5 exd5 25. e6 Qe8 26. exf7 Qxf7 27. Ne5 Bxe5 28. dxe5 d4 29. Rdc1 Kh7 30. Qe4 Nge7 31. Rxc8 Rxc8 32. Rxa7 Rc1+ 33. Kh2 Qxb3 34. Bxe7 Qg3+ 0-1

[Event "Zuerich op-B 14th"]
[Site "Zuerich"]
[Date "1990.??.??"]
[Round "?"]
[White "Svendsen, Robert"]
[Black "Hadorn, Marcel"]
[Result "1-0"]
[ECO "C11"]
[PlyCount "71"]
[EventDate "1990.12.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. f4 c5 6. Ndf3 Nc6 7. Ne2 Be7 8. c3 f6 9. Be3 cxd4 10. Nexd4 Nc5 11. Be2 0-0 12. 0-0 Bd7 13. Rc1 Rc8 14. c4 Nxd4 15. Bxd4 Ne4 16. Bd3 Bc6 17. exf6 Nxf6 18. Ng5 g6 19. Nxe6 Qd6 20. Nxf8 Rxf8 21. c5 Qd7 22. f5 Ne4 23. fxg6 hxg6 24. Rxf8+ Bxf8 25. b4 Bg7 26. Be2 Qf7 27. Qd3 Bb5 28. Qe3 Bxd4 29. Qxd4 Bxe2 30. a4 a6 31. Rb1 Bc4 32. b5 axb5 33. axb5 Qe7 34. c6 Qc7 35. Ra1 Qb8 36. cxb7 1-0

