[Event "SUI-ch Hauptturnier III"]
[Site "Graechen"]
[Date "1999.??.??"]
[Round "5"]
[White "Gass, Nathan"]
[Black "Zihlmann, Daniel"]
[Result "0-1"]
[ECO "B45"]
[PlyCount "74"]
[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 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be3 Bb4 7. Qd2 Nxe4 8. Qd3 Nxc3 9. bxc3 Be7 10. Rd1 0-0 11. Be2 Bg5 12. 0-0 f5 13. f4 Bf6 14. Nf3 Qa5 15. Qc4 Qxc3 16. Bc5 Qxc4 17. Bxc4 Re8 18. Bd6 Be7 19. Ne5 Bxd6 20. Rxd6 Nxe5 21. fxe5 a6 22. Rfd1 b5 23. Bb3 Kf8 24. c4 bxc4 25. Ba4 Ra7 26. Bxd7 Bxd7 27. Rxd7 Rxd7 28. Rxd7 Rc8 29. Kf2 c3 30. Rd1 c2 31. Rc1 Ke8 32. Ke3 Kd7 33. Kd3 Rc5 34. Kd4 Kc6 35. Kd3 Rd5+ 36. Kc4 Rxe5 37. Rxc2 Rc5+ 0-1

[Event "SUI-ch Hauptturnier III"]
[Site "Graechen"]
[Date "1999.??.??"]
[Round "2"]
[White "Gass, Nathan"]
[Black "Zimpfer, Michele"]
[Result "1-0"]
[ECO "B01"]
[PlyCount "73"]
[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 d5 2. exd5 Qxd5 3. Nc3 Qd8 4. Nf3 Nf6 5. d4 e6 6. Bd3 Nbd7 7. 0-0 Be7 8. Re1 0-0 9. Re3 b6 10. Ne5 Bb7 11. Rh3 Bd6 12. Nxd7 Qxd7 13. Bxh7+ Nxh7 14. Qh5 f6 15. Qxh7+ Kf7 16. Ne4 Bxe4 17. Qxe4 c6 18. Rh7 Rh8 19. Bh6 Rxh7 20. Qxh7 Rg8 21. Re1 Qc7 22. g3 Kf8 23. Rxe6 gxh6 24. Rxf6+ Ke8 25. Qxg8+ Kd7 26. Rf7+ Be7 27. Qg7 Qd6 28. Rxe7+ Qxe7 29. Qxe7+ Kxe7 30. f4 Kf6 31. Kf2 Kf5 32. Kf3 h5 33. h3 a5 34. g4+ hxg4+ 35. hxg4+ Kf6 36. Ke4 b5 37. d5 1-0

[Event "SUI-ch Hauptturnier III"]
[Site "Graechen"]
[Date "1999.??.??"]
[Round "3"]
[White "Heer, Markus"]
[Black "Gass, Nathan"]
[Result "0-1"]
[ECO "C51"]
[WhiteElo "1610"]
[PlyCount "98"]
[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 Bc5 4. b4 Bxb4 5. c3 Bc5 6. d4 exd4 7. 0-0 Na5 8. cxd4 Nxc4 9. dxc5 Nf6 10. Bg5 Qe7 11. e5 Nxe5 12. Nxe5 Qxc5 13. Bxf6 gxf6 14. Nd3 Qd4 15. Qe2+ Kf8 16. Nd2 d5 17. Nf3 Qb6 18. Rab1 Qe6 19. Qb2 b6 20. Rfe1 Qf5 21. Qd2 Be6 22. Rb4 c5 23. Rf4 Qg6 24. Nh4 Qg5 25. Re3 d4 26. Rg3 Qd5 27. Rxf6 Qxa2 28. Qh6+ Ke7 29. Nf5+ Bxf5 30. Rxf5 Qb1+ 31. Qc1 Qxc1+ 32. Nxc1 Rhg8 33. Rgf3 Rg7 34. Nd3 Rf8 35. Ne5 f6 36. Nc6+ Ke6 37. g3 Rc7 38. Ne5 c4 39. Ng4 c3 40. Rxf6+ Rxf6 41. Rxf6+ Kd5 42. Rf5+ Ke4 43. Re5+ Kd3 44. Re1 c2 45. Ne5+ Kc3 46. Kf1 d3 47. Ra1 d2 48. Ke2 c1Q 49. Ra3+ Qxa3 0-1

[Event "Zuerich op 10th"]
[Site "Zuerich"]
[Date "1986.??.??"]
[Round "?"]
[White "Gheorghiu, Florin"]
[Black "Gass, Nathan"]
[Result "1-0"]
[ECO "A59"]
[WhiteElo "2525"]
[PlyCount "55"]
[EventDate "1986.12.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 g6 6. Nc3 Bxa6 7. e4 Bxf1 8. Kxf1 d6 9. Nf3 Bg7 10. g3 0-0 11. Kg2 Nbd7 12. Re1 Ng4 13. Nd2 Nge5 14. f4 Nd3 15. Re3 Nb4 16. a3 Nb6 17. Rb1 Bd4 18. Rf3 Na6 19. Nb5 Bg7 20. b3 Qd7 21. a4 f5 22. Nc4 fxe4 23. Re3 Rab8 24. Bb2 Rf5 25. Nxb6 Rxb6 26. Bxg7 Kxg7 27. Rxe4 Nb4 28. Rxb4 1-0

