[Event "Schaffhausen op"]
[Site "Schaffhausen"]
[Date "2022.03.19"]
[Round "2"]
[White "Mazzoni, Renzo"]
[Black "Wuest, Andreas"]
[Result "1/2-1/2"]
[ECO "C42"]
[WhiteElo "1434"]
[BlackElo "1679"]
[PlyCount "39"]
[EventDate "2022.03.18"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "SUI"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Bg4 7. Nbd2 f5 8. h3 Bh5 9. 0-0 Nd7 10. Re1 Be7 11. a3 0-0 12. c4 c6 13. Be2 Bf6 14. cxd5 cxd5 15. Qb3 Nb6 16. Ne5 Bxe2 17. Rxe2 Rc8 18. Nxe4 fxe4 19. Rxe4 Kh8 20. Re2 1/2-1/2

[Event "Schaffhausen op"]
[Site "Schaffhausen"]
[Date "2022.03.18"]
[Round "1"]
[White "Speck, Stefan"]
[Black "Mazzoni, Renzo"]
[Result "1-0"]
[ECO "B56"]
[WhiteElo "1902"]
[BlackElo "1434"]
[PlyCount "21"]
[EventDate "2022.03.18"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "SUI"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Bd7 6. h3 e5 7. Nb3 g6 8. Bg5 Bg7 9. Qxd6 Nc6 10. Nd5 Rc8 11. Bxf6 1-0

[Event "Davos op 19th"]
[Site "Davos"]
[Date "2020.08.08"]
[Round "2"]
[White "Mazzoni, Renzo"]
[Black "Mamalis, Prokopios"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "1540"]
[BlackElo "1667"]
[PlyCount "60"]
[EventDate "2020.08.07"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "SUI"]
[SourceTitle "CBM 197 Extra"]
[Source "ChessBase"]
[SourceDate "2020.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.09.30"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Qb6 5. Nf3 Bd7 6. a3 a5 7. Bd3 Bb5 8. 0-0 Bxd3 9. Qxd3 Nc6 10. Nbd2 cxd4 11. cxd4 Nge7 12. b3 Ng6 13. g3 Be7 14. Bb2 0-0 15. Rac1 Rae8 16. h4 Bd8 17. h5 Nh8 18. Nb1 f6 19. Rc2 Nf7 20. Re1 fxe5 21. dxe5 Nh6 22. Nh2 Rf5 23. Kg2 Ref8 24. Ree2 Rxh5 25. Bc1 Nxe5 26. Qd1 Nhg4 27. Nxg4 Nxg4 28. Be3 Rh2+ 29. Kg1 Nxe3 30. Rxe3 Rhxf2 0-1

[Event "Davos op 19th"]
[Site "Davos"]
[Date "2020.08.07"]
[Round "1"]
[White "Clausen, Karl Erik"]
[Black "Mazzoni, Renzo"]
[Result "1-0"]
[ECO "A01"]
[WhiteElo "1904"]
[BlackElo "1540"]
[PlyCount "51"]
[EventDate "2020.08.07"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "SUI"]
[SourceTitle "CBM 197 Extra"]
[Source "ChessBase"]
[SourceDate "2020.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.09.30"]
[SourceQuality "1"]

1. b3 Nf6 2. Bb2 g6 3. e4 d6 4. Be2 Bg7 5. d3 Nbd7 6. Nc3 c6 7. Qd2 0-0 8. g4 h6 9. f4 e5 10. f5 g5 11. h4 Nh7 12. 0-0-0 gxh4 13. Nf3 Ng5 14. Nxh4 Nf6 15. Nf3 Nfh7 16. Kb1 Nxf3 17. Bxf3 Ng5 18. Bg2 f6 19. d4 Rf7 20. dxe5 fxe5 21. Qxd6 Rd7 22. Qg6 Qf6 23. Qxf6 Rxd1+ 24. Nxd1 Bxf6 25. Rxh6 Kg7 26. Rg6+ 1-0

[Event "SUI-ch HT3"]
[Site "Lenzerheide"]
[Date "2010.07.11"]
[Round "2"]
[White "Wyss, Martin"]
[Black "Mazzoni, Renzo"]
[Result "1-0"]
[ECO "C02"]
[PlyCount "61"]
[EventDate "2010.07.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. Nf3 Nc6 5. c3 Qb6 6. a4 cxd4 7. Bb5 dxc3 8. Nxc3 Bc5 9. 0-0 Nge7 10. Qb3 Qc7 11. a5 a6 12. Bxc6+ Nxc6 13. Na4 Nxa5 14. Qc3 Bxf2+ 15. Rxf2 Qxc3 16. bxc3 Nc4 17. Nb2 0-0 18. Nxc4 dxc4 19. Be3 b5 20. Raf1 f5 21. exf6 Rxf6 22. Bd4 Rf7 23. Ng5 Rf5 24. Ne4 e5 25. Bxe5 Rxf2 26. Rxf2 Bb7 27. Nd6 Bd5 28. Nf5 Ra7 29. Bd6 Bf7 30. Ne7+ Kh8 31. Rxf7 1-0

[Event "SUI-ch HT3"]
[Site "Lenzerheide"]
[Date "2010.07.10"]
[Round "1"]
[White "Mazzoni, Renzo"]
[Black "Miccolis, Timur"]
[Result "1-0"]
[ECO "C51"]
[PlyCount "37"]
[EventDate "2010.07.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Be7 6. d4 exd4 7. Qb3 d5 8. Bxd5 Be6 9. Bxe6 fxe6 10. Qxb7 Na5 11. Qb5+ c6 12. Qe5 Bf6 13. Qxe6+ Ne7 14. e5 Qd5 15. Qxd5 Nxd5 16. exf6 Nxf6 17. Nxd4 0-0 18. 0-0 Rac8 19. Nd2 1-0

[Event "Zuerich Seniors op 08th"]
[Site "Zuerich"]
[Date "2010.02.??"]
[Round "?"]
[White "Mazzoni, Livio"]
[Black "Mazzoni, Renzo"]
[Result "1/2-1/2"]
[ECO "C18"]
[WhiteElo "1841"]
[BlackElo "1620"]
[PlyCount "42"]
[EventDate "2010.01.25"]
[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. Nf3 Qb6 8. Be2 Nge7 9. 0-0 0-0 10. a4 cxd4 11. cxd4 Bd7 12. Ba3 Rfc8 13. a5 Qd8 14. Qd2 Nf5 15. Bb2 a6 16. Rfc1 Na7 17. c4 dxc4 18. Bxc4 Bb5 19. Bb3 Bc6 20. Bd1 Nb5 21. g4 Bxf3 1/2-1/2

[Event "Zuerich Seniors op 08th"]
[Site "Zuerich"]
[Date "2010.02.??"]
[Round "?"]
[White "Mazzoni, Renzo"]
[Black "Schnyder, Josef"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "1620"]
[BlackElo "1528"]
[PlyCount "67"]
[EventDate "2010.01.25"]
[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. c3 Nc6 3. Nf3 Nf6 4. e5 Ng4 5. d4 cxd4 6. cxd4 h5 7. Nc3 d6 8. h3 Nh6 9. Bb5 d5 10. 0-0 a6 11. Bxc6+ bxc6 12. a3 Nf5 13. Na4 e6 14. b4 a5 15. Bd2 axb4 16. axb4 Ba6 17. Re1 Bb5 18. Nc5 Be7 19. Qc1 Rxa1 20. Qxa1 g5 21. g4 hxg4 22. hxg4 Nh4 23. Nh2 Bxc5 24. bxc5 0-0 25. Re3 Qa8 26. Ra3 Qd8 27. f3 f6 28. f4 gxf4 29. Bxf4 Ng6 30. Bh6 Re8 31. Ra7 Nf8 32. Rg7+ Kh8 33. Qa7 fxe5 34. Rh7+ 1-0

[Event "Zuerich Seniors op 08th"]
[Site "Zuerich"]
[Date "2010.02.??"]
[Round "?"]
[White "Schattling, Helmuth"]
[Black "Mazzoni, Renzo"]
[Result "0-1"]
[ECO "E94"]
[WhiteElo "1544"]
[BlackElo "1620"]
[PlyCount "66"]
[EventDate "2010.01.25"]
[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 Bg7 4. e4 d6 5. Be2 0-0 6. Nf3 Nbd7 7. 0-0 e5 8. d5 Nc5 9. Qc2 a5 10. h3 Ne8 11. Be3 b6 12. a3 f5 13. Bxc5 bxc5 14. b4 fxe4 15. Nxe4 Nf6 16. Nfd2 Nxe4 17. Nxe4 Bf5 18. Bg4 Bxe4 19. Qxe4 Rf4 20. Be6+ Kh8 21. Qc2 e4 22. Rab1 axb4 23. a4 Bd4 24. g3 Qg5 25. h4 Rxf2 26. Rxf2 Qxg3+ 27. Kf1 Bxf2 28. Qxe4 Rf8 29. Ke2 Qxh4 30. Qxh4 Bxh4 31. Rf1 Rxf1 32. Kxf1 b3 33. Bg4 b2 0-1

[Event "Zuerich Seniors op 08th"]
[Site "Zuerich"]
[Date "2010.01.28"]
[Round "4"]
[White "Mazzoni, Renzo"]
[Black "Bosshardt, Alfred"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "1620"]
[BlackElo "1439"]
[PlyCount "64"]
[EventDate "2010.01.25"]
[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 d6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Be7 6. Be2 h6 7. h3 a6 8. a4 c5 9. Nf3 b6 10. 0-0 0-0 11. Re1 Bb7 12. Bd3 Qc7 13. b3 Nc6 14. Bf4 Rfd8 15. Bc4 Nh5 16. Bh2 g6 17. Nd5 Qb8 18. Nxb6 Ra7 19. Nd5 Na5 20. Nxe7+ Kg7 21. Bd5 Rd7 22. Bxb7 Raxb7 23. Nd5 Nc6 24. Qd3 a5 25. Qc3+ f6 26. g4 Ne5 27. gxh5 g5 28. Nxe5 dxe5 29. Qf3 Rd6 30. Rad1 Qe8 31. Nc7 Qe7 32. Rxd6 Qxd6 1-0

[Event "Zuerich Seniors op 08th"]
[Site "Zuerich"]
[Date "2010.01.26"]
[Round "?"]
[White "Mazzoni, Renzo"]
[Black "Eggmann, Karl"]
[Result "0-1"]
[ECO "B50"]
[WhiteElo "1620"]
[BlackElo "2014"]
[PlyCount "82"]
[EventDate "2010.01.25"]
[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. c3 d6 3. Nf3 Nc6 4. d4 cxd4 5. cxd4 Nf6 6. Nc3 e6 7. Be2 a6 8. 0-0 b5 9. a3 Bb7 10. b4 Rc8 11. Bb2 Be7 12. Rc1 0-0 13. Qb3 Qb6 14. Rfd1 Rfd8 15. h3 d5 16. e5 Ne4 17. Bd3 Ng5 18. Ne2 Nxf3+ 19. gxf3 Bg5 20. Rc5 Ne7 21. Qc2 Ng6 22. Bc1 Be7 23. Rxc8 Rxc8 24. Qb1 Kh8 25. Kh2 Nxe5 26. Kg2 Nxd3 27. Qxd3 Bf6 28. Bf4 Rc4 29. Be3 a5 30. Qb1 axb4 31. axb4 Qd6 32. Bf4 Qxb4 33. Qxb4 Rxb4 34. Bd6 Rb2 35. Nc3 Bh4 36. Bg3 Bd8 37. Bd6 Bb6 38. Bc5 Ba5 39. Rc1 b4 40. Na4 Ra2 41. Nb6 b3 0-1

[Event "SUI-ch HT3"]
[Site "Graechen"]
[Date "2009.07.16"]
[Round "6"]
[White "Roelli, Xaver"]
[Black "Mazzoni, Renzo"]
[Result "0-1"]
[ECO "E81"]
[PlyCount "63"]
[EventDate "2009.07.11"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 Nbd7 7. Bd3 e5 8. d5 c6 9. Nge2 a5 10. a4 Qc7 11. 0-0 Rb8 12. Qd2 Nc5 13. Bc2 Bd7 14. Ng3 Ne8 15. Bh6 Qd8 16. Bxg7 Nxg7 17. f4 Nb3 18. Bxb3 Qb6+ 19. Kh1 Qxb3 20. Qe2 f5 21. exf5 Nxf5 22. Nxf5 Bxf5 23. Ra3 Qb6 24. fxe5 dxe5 25. Nd1 Qd4 26. Nf2 cxd5 27. Rd1 Qxc4 28. Qxe5 Rbd8 29. Rc3 Qa2 30. Rc7 Rd7 31. Rxd7 Bxd7 32. Rxd5 0-1

[Event "SUI-ch HT3"]
[Site "Graechen"]
[Date "2009.07.14"]
[Round "4"]
[White "Fenner, Donat"]
[Black "Mazzoni, Renzo"]
[Result "1/2-1/2"]
[ECO "E61"]
[PlyCount "87"]
[EventDate "2009.07.11"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. e3 Bg7 4. c4 d6 5. Nc3 0-0 6. Bd3 Nbd7 7. 0-0 e5 8. d5 c6 9. e4 a5 10. b3 Qc7 11. a4 Ne8 12. Ng5 Nc5 13. Be2 f6 14. Nf3 f5 15. Nd2 f4 16. Bg4 Bxg4 17. Qxg4 Nf6 18. Qh3 Nh5 19. f3 Kh8 20. Ba3 Nd3 21. Rfd1 Qb6+ 22. c5 Nxc5 23. Kh1 Nd3 24. Rf1 Qc7 25. g4 fxg3 26. hxg3 Rf6 27. Rad1 Raf8 28. Qg2 g5 29. Nc4 Nb4 30. dxc6 bxc6 31. Rd2 Rh6 32. Kg1 Rd8 33. Rfd1 Bf8 34. Na2 Nxa2 35. Rxa2 Qa7+ 36. Qf2 Qxf2+ 37. Kxf2 Nf6 38. Kg2 d5 39. Bxf8 Rxf8 40. exd5 Nxd5 41. Rc2 Rhf6 42. Rd3 Nb4 43. Rcc3 Nxd3 44. Rxd3 1/2-1/2

[Event "SUI-ch HT3"]
[Site "Graechen"]
[Date "2009.07.13"]
[Round "3"]
[White "Mazzoni, Renzo"]
[Black "Mink, Hans"]
[Result "0-1"]
[ECO "B12"]
[PlyCount "76"]
[EventDate "2009.07.11"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. a3 Nd7 6. b4 a5 7. b5 c5 8. Bd3 Ne7 9. c3 Bxd3 10. Qxd3 c4 11. Qe2 a4 12. Nbd2 Ng6 13. Qe3 Qb6 14. Rb1 Be7 15. 0-0 0-0 16. Ng5 Qd8 17. Ndf3 h6 18. Nh3 Nh4 19. Nxh4 Bxh4 20. g3 Be7 21. f4 Qb6 22. Qf3 f6 23. Kh1 fxe5 24. Be3 Qa5 25. Qg4 Rf5 26. fxe5 h5 27. Qe2 Raf8 28. Nf4 Qb6 29. Ng6 Rxf1+ 30. Rxf1 Rxf1+ 31. Qxf1 Bxa3 32. Qh3 Qxb5 33. Qxe6+ Kh7 34. Qf5 Kg8 35. Ne7+ Bxe7 36. Qxh5 Qb1+ 37. Kg2 Qe4+ 38. Kh3 Qh7 0-1

[Event "SUI-ch HT3"]
[Site "Graechen"]
[Date "2009.07.12"]
[Round "2"]
[White "Reichelmeier, Ruedi"]
[Black "Mazzoni, Renzo"]
[Result "0-1"]
[ECO "C01"]
[PlyCount "36"]
[EventDate "2009.07.11"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Nf6 5. Be2 Bd6 6. Be3 0-0 7. 0-0 Nbd7 8. c3 h6 9. h3 Ne4 10. Nbd2 Ndf6 11. Bd3 c6 12. Re1 Re8 13. Nf1 Qc7 14. Kh1 Bd7 15. Ng1 Bf4 16. Bxf4 Qxf4 17. Qf3 Qxf3 18. Nxf3 Nxf2+ 0-1

[Event "Zuerich Seniors op 07th"]
[Site "Zuerich"]
[Date "2009.02.04"]
[Round "?"]
[White "Luethi, Marcel"]
[Black "Mazzoni, Renzo"]
[Result "1-0"]
[ECO "A49"]
[PlyCount "67"]
[EventDate "2009.01.26"]
[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. Nf3 g6 3. g3 Bg7 4. Bg2 d6 5. 0-0 0-0 6. Re1 Nbd7 7. e4 e5 8. c3 a5 9. Nbd2 b6 10. b3 Re8 11. Bb2 Bb7 12. d5 Bc8 13. Qc2 Nh5 14. a4 Rf8 15. b4 Nb8 16. bxa5 bxa5 17. Rab1 Bd7 18. Ba3 f5 19. exf5 Bxf5 20. Qb3 Bxb1 21. Rxb1 Nf6 22. Ng5 Qc8 23. Bh3 Ng4 24. f3 Qf5 25. Ne6 h5 26. Nxf8 Bxf8 27. fxg4 Qd3 28. Nf1 Bh6 29. Bc1 Bxc1 30. Rxc1 e4 31. gxh5 gxh5 32. Be6+ Kf8 33. Qd1 Na6 34. Qxh5 1-0

[Event "Zuerich Seniors op 07th"]
[Site "Zuerich"]
[Date "2009.02.03"]
[Round "?"]
[White "Mazzoni, Renzo"]
[Black "Denzinger, Karl"]
[Result "1/2-1/2"]
[ECO "C02"]
[WhiteElo "1625"]
[BlackElo "1742"]
[PlyCount "73"]
[EventDate "2009.01.26"]
[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. c3 Nc6 3. d4 e6 4. Nf3 d5 5. e5 Nge7 6. a3 Qb6 7. b4 cxd4 8. cxd4 Nf5 9. Bb2 Bd7 10. Nc3 Ncxd4 11. Nxd4 Qxd4 12. Qxd4 Nxd4 13. Bd3 f6 14. exf6 gxf6 15. Rd1 a6 16. Nxd5 exd5 17. Bxd4 Kf7 18. 0-0 Bd6 19. Rfe1 h5 20. Re2 h4 21. h3 Rhg8 22. Re3 Rg5 23. Rf3 Be7 24. Be3 Rg7 25. Bh6 Rgg8 26. Bf5 Bc6 27. Rd4 Rae8 28. Bg4 Bd6 29. Bh5+ Rg6 30. Bxg6+ Kxg6 31. Be3 Rh8 32. Bf4 Be7 33. Be3 f5 34. Bf4 Bf6 35. Rd1 d4 36. Rfd3 Rg8 37. g3 1/2-1/2

[Event "Zuerich Seniors op 07th"]
[Site "Zuerich"]
[Date "2009.01.29"]
[Round "4"]
[White "Fringeli, Eduard"]
[Black "Mazzoni, Renzo"]
[Result "1-0"]
[ECO "E94"]
[WhiteElo "1714"]
[BlackElo "1620"]
[PlyCount "87"]
[EventDate "2009.01.26"]
[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 Bg7 4. e4 d6 5. Nf3 Nbd7 6. Be2 0-0 7. 0-0 a5 8. Be3 e5 9. dxe5 dxe5 10. Qc2 c6 11. Rfd1 Qc7 12. Rac1 Re8 13. h3 Bf8 14. Na4 Rb8 15. c5 Ra8 16. Nd2 Nb8 17. Nb6 Ra7 18. Ndc4 Be6 19. Nd6 Rd8 20. Ndc4 Na6 21. Rxd8 Qxd8 22. Rd1 Qc7 23. Nd6 Nb4 24. Qc3 Nxa2 25. Qxe5 Nd7 26. Nxd7 Qxd7 27. Bd4 f6 28. Qxf6 Bg7 29. Qxg7+ Qxg7 30. Bxg7 Kxg7 31. Bc4 Bxc4 32. Nxc4 b5 33. cxb6 Rb7 34. Rd6 Nb4 35. b3 Re7 36. e5 Kf7 37. f4 Ke8 38. Nxa5 Rd7 39. b7 Na6 40. Rxc6 Nb8 41. Rb6 Rd8 42. Nc6 Nxc6 43. Rxc6 Kd7 44. Rc8 1-0

[Event "Zuerich Seniors op 07th"]
[Site "Zuerich"]
[Date "2009.01.26"]
[Round "1"]
[White "Mazzoni, Renzo"]
[Black "Koch, Jost"]
[Result "1/2-1/2"]
[ECO "C56"]
[WhiteElo "1620"]
[BlackElo "1880"]
[PlyCount "62"]
[EventDate "2009.01.26"]
[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 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 Bd6 13. Bg5 Rde8 14. Qe2 Kd7 15. Re1 Qxe1+ 16. Qxe1 Rxe6 17. Qb1 Rhe8 18. c3 h6 19. Bd2 Re2 20. cxd4 Nxd4 21. Nxd4 Rxd2 22. Nf3 Rd5 23. a3 g5 24. g4 Re6 25. Kg2 Be7 26. Qc2 c6 27. Qa4 Bc5 28. b4 Bb6 29. Qc2 Bd8 30. Kg3 Rf6 31. h3 Be7 1/2-1/2

[Event "Zuerich Seniors op 07th"]
[Site "Zuerich"]
[Date "2009.??.??"]
[Round "?"]
[White "Mazzoni, Renzo"]
[Black "Berchten, Eduard"]
[Result "1-0"]
[ECO "C02"]
[PlyCount "55"]
[EventDate "2009.01.26"]
[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. e5 c5 4. c3 Qb6 5. Nf3 Bd7 6. a3 a5 7. Bd3 Bb5 8. 0-0 Qa6 9. Bxb5+ Qxb5 10. a4 Qb6 11. Na3 Nc6 12. b3 cxd4 13. cxd4 Be7 14. Bb2 h5 15. Rc1 Nh6 16. Nb5 Nf5 17. Ne1 g6 18. Nd3 Ncxd4 19. Nc7+ Kd7 20. Nxa8 Rxa8 21. Bxd4 Nxd4 22. Rb1 Rc8 23. Nc1 Nc6 24. Re1 Bc5 25. Nd3 Bd4 26. Qf3 Ke7 27. Qf6+ Kf8 28. Qh8+ 1-0

[Event "Zuerich Seniors op 06th"]
[Site "Zuerich"]
[Date "2008.??.??"]
[Round "?"]
[White "Mazzoni, Renzo"]
[Black "Schirmer, Hans"]
[Result "1-0"]
[ECO "C02"]
[BlackElo "1684"]
[PlyCount "41"]
[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. e5 c5 4. c3 Qb6 5. Nf3 Bd7 6. a3 c4 7. Nbd2 Nc6 8. b3 cxb3 9. Rb1 Na5 10. Nxb3 Nxb3 11. Nd2 Qc7 12. Qxb3 Rb8 13. c4 Bc6 14. c5 f6 15. Nf3 fxe5 16. Nxe5 Ne7 17. Bd2 g6 18. Bb5 Bxb5 19. Qxb5+ Nc6 20. Nxc6 Qxc6 21. Qxc6+ 1-0

[Event "Zuerich Seniors op 06th"]
[Site "Zuerich"]
[Date "2008.??.??"]
[Round "?"]
[White "Mazzoni, Renzo"]
[Black "Schwammberger, Eugen"]
[Result "1/2-1/2"]
[ECO "B22"]
[BlackElo "2015"]
[PlyCount "41"]
[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 d5 2. e5 c5 3. c3 d4 4. cxd4 cxd4 5. Bb5+ Bd7 6. Qe2 Qb6 7. Na3 a6 8. Bd3 e6 9. Nf3 Nc6 10. b3 Bc5 11. Bb2 Rd8 12. 0-0 Qa7 13. Nc2 Nge7 14. a3 Nd5 15. Qe4 f5 16. exf6 Nxf6 17. Qh4 Bc8 18. Rfe1 b5 19. b4 Bb6 20. Bg6+ Ke7 21. Be4 1/2-1/2

[Event "Zuerich Seniors op 05th"]
[Site "Zuerich"]
[Date "2007.01.30"]
[Round "7"]
[White "Neitzsch, Richard"]
[Black "Mazzoni, Renzo"]
[Result "1-0"]
[ECO "A69"]
[WhiteElo "1575"]
[BlackElo "1654"]
[PlyCount "51"]
[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 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. f4 c5 7. d5 e6 8. Nf3 exd5 9. cxd5 Re8 10. Qc2 a6 11. a4 Bd7 12. 0-0 a5 13. Nd2 Na6 14. h3 Nb4 15. Qb1 Nfxd5 16. Nxd5 Nxd5 17. Ra3 Bd4+ 18. Kh1 Qh4 19. Nf3 Qg3 20. Nxd4 Qxa3 21. bxa3 cxd4 22. Qxb7 Nc3 23. Bc4 Be6 24. Bxe6 fxe6 25. f5 Rf8 26. Bh6 1-0

[Event "Zuerich Seniors op 05th"]
[Site "Zuerich"]
[Date "2007.01.24"]
[Round "3"]
[White "Glur, Erwin"]
[Black "Mazzoni, Renzo"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "1843"]
[BlackElo "1654"]
[PlyCount "67"]
[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 e6 2. d3 d5 3. Nd2 Nc6 4. g3 d4 5. f4 e5 6. Ndf3 f6 7. f5 Bc5 8. Nh4 Qe7 9. Be2 Bb4+ 10. Bd2 Nh6 11. c3 dxc3 12. bxc3 Ba5 13. Nh3 Bd7 14. Nf2 0-0-0 15. 0-0 Be8 16. Kg2 Bf7 17. Qc2 Qc5 18. Qc1 Ng8 19. a4 Nge7 20. Rb1 Bb6 21. Nf3 a6 22. c4 Ba5 23. Be3 Nd4 24. Qb2 b6 25. Nd2 Bxd2 26. Qxd2 Nec6 27. Rfe1 Be8 28. Nd1 Qa5 29. Nc3 Nxe2 30. Qxe2 Nd4 31. Qa2 Kb7 32. c5 b5 33. Nd5 c6 34. Bd2 1-0

[Event "Zuerich Seniors op 05th"]
[Site "Zuerich"]
[Date "2007.??.??"]
[Round "?"]
[White "Eggenberger, Werner"]
[Black "Mazzoni, Renzo"]
[Result "1-0"]
[ECO "C18"]
[WhiteElo "2090"]
[BlackElo "1654"]
[PlyCount "53"]
[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 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Nc6 7. Qg4 Nge7 8. Nf3 cxd4 9. cxd4 Nf5 10. Bd3 Nce7 11. 0-0 Qc7 12. a4 0-0 13. Qh3 Ng6 14. g4 Nfe7 15. Ba3 Rd8 16. Rfc1 h6 17. Qg3 a5 18. h4 Nc6 19. h5 Nge7 20. Bd6 Qd7 21. g5 hxg5 22. Nxg5 f5 23. exf6 Qxd6 24. Bh7+ Kf8 25. fxg7+ Kxg7 26. h6+ Kf6 27. Qh4 1-0

[Event "Zuerich Seniors op 05th"]
[Site "Zuerich"]
[Date "2007.??.??"]
[Round "?"]
[White "Mazzoni, Renzo"]
[Black "Gehr, Hans"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1654"]
[PlyCount "74"]
[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. c3 Nc6 3. Nf3 Nf6 4. e5 Nd5 5. Bc4 Nb6 6. Bb3 e6 7. d4 d5 8. 0-0 Be7 9. a3 0-0 10. Bc2 Nd7 11. Nbd2 cxd4 12. cxd4 f6 13. Qe2 Qc7 14. Ba4 fxe5 15. Bxc6 bxc6 16. Nxe5 Nxe5 17. dxe5 a5 18. Qe3 c5 19. Qg3 Bd7 20. Nf3 Be8 21. Bg5 Bg6 22. Bxe7 Qxe7 23. Ng5 h6 24. Nh3 Bh7 25. f4 c4 26. Rf2 Rab8 27. Qc3 Qc5 28. Qd2 Rb3 29. Kh1 Rfb8 30. Qc1 Bf5 31. Qg1 Rxb2 32. Rxb2 Qxg1+ 33. Nxg1 Rxb2 34. Nf3 Kf7 35. h4 Be4 36. Ne1 c3 37. Rc1 Rb1 0-1

[Event "Weggis Seniors op 6th"]
[Site "Weggis"]
[Date "2006.04.??"]
[Round "?"]
[White "Faessler, Marie"]
[Black "Mazzoni, Renzo"]
[Result "0-1"]
[ECO "E61"]
[WhiteElo "1625"]
[BlackElo "1674"]
[PlyCount "54"]
[EventDate "2006.04.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. e3 Bg7 4. c4 d6 5. Be2 0-0 6. Nc3 Nbd7 7. 0-0 e5 8. dxe5 dxe5 9. Qc2 c6 10. Rd1 Qc7 11. b3 Re8 12. Bd3 e4 13. Nxe4 Nxe4 14. Bb2 Bxb2 15. Qxb2 Ndc5 16. Bxe4 Nxe4 17. Nd4 Be6 18. Qc2 Nd6 19. Rac1 Rad8 20. Nxe6 Rxe6 21. Rd4 Re7 22. Rcd1 Red7 23. Qd3 c5 24. Rd5 f6 25. e4 Kf8 26. Qf3 f5 27. exf5 Nxf5 0-1

[Event "Weggis Seniors op 6th"]
[Site "Weggis"]
[Date "2006.04.??"]
[Round "?"]
[White "Malinverno, Gianni"]
[Black "Mazzoni, Renzo"]
[Result "1-0"]
[ECO "C07"]
[WhiteElo "1945"]
[BlackElo "1674"]
[PlyCount "65"]
[EventDate "2006.04.24"]
[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 e6 2. d4 d5 3. Nd2 c5 4. c3 Qb6 5. exd5 exd5 6. dxc5 Bxc5 7. Qe2+ Be6 8. Nb3 Nf6 9. Nxc5 Qxc5 10. Be3 Qe7 11. Nf3 Nc6 12. Qb5 0-0 13. Bc5 Qc7 14. Bxf8 Kxf8 15. Be2 a6 16. Qc5+ Kg8 17. 0-0 Rd8 18. Nd4 Ne4 19. Nxe6 fxe6 20. Qe3 Rf8 21. f3 Nf6 22. Qxe6+ Kh8 23. Qh3 Qb6+ 24. Kh1 Qxb2 25. Rfe1 Qxc3 26. Rac1 Qa3 27. Bf1 d4 28. f4 Qxa2 29. Bc4 Qa5 30. Bd3 Qd2 31. Rcd1 Qxf4 32. Rf1 Qh6 33. Rxf6 1-0

[Event "Weggis Seniors op 6th"]
[Site "Weggis"]
[Date "2006.04.??"]
[Round "?"]
[White "Mazzoni, Renzo"]
[Black "Duss, Hans"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "1674"]
[BlackElo "1822"]
[PlyCount "56"]
[EventDate "2006.04.24"]
[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 c6 2. d4 d5 3. e5 b6 4. Bd3 Ba6 5. a3 Bxd3 6. Qxd3 a5 7. b3 g6 8. Nf3 e6 9. c3 Nd7 10. Nbd2 Bg7 11. 0-0 Ne7 12. c4 c5 13. Bb2 0-0 14. b4 axb4 15. axb4 cxb4 16. Qb3 Qc7 17. Qxb4 Nc6 18. Qc3 Na5 19. cxd5 Qxc3 20. Bxc3 exd5 21. Rfb1 Nc6 22. Rxa8 Rxa8 23. Rb5 Ra3 24. Rxd5 Ndxe5 25. Nxe5 Bxe5 26. Bb2 Rd3 27. Bc3 Bxd4 28. Bxd4 Rxd2 0-1

[Event "Weggis Seniors op 6th"]
[Site "Weggis"]
[Date "2006.04.??"]
[Round "?"]
[White "Mazzoni, Renzo"]
[Black "Schmitt, Klaus"]
[Result "1/2-1/2"]
[ECO "C41"]
[WhiteElo "1674"]
[BlackElo "1612"]
[PlyCount "60"]
[EventDate "2006.04.24"]
[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 e5 2. Nf3 d6 3. d4 Nd7 4. Nc3 c6 5. Bc4 Be7 6. 0-0 Ngf6 7. dxe5 dxe5 8. h3 0-0 9. a3 Qc7 10. b4 b6 11. Bb2 Bb7 12. Re1 Rad8 13. Qe2 Nh5 14. Bc1 Nhf6 15. Bg5 h6 16. Bh4 Rfe8 17. Rad1 Nf8 18. Bg3 Ng6 19. Nh4 Nxh4 20. Bxh4 Nh7 21. Bg3 Bd6 22. Rd2 Bc8 23. Red1 Be6 24. Bxe6 Rxe6 25. Qc4 Nf6 26. Nb5 cxb5 27. Qxc7 Bxc7 28. Rxd8+ Bxd8 29. Rxd8+ Kh7 30. f3 Kg6 1/2-1/2

[Event "Zuerich Seniors op 4th"]
[Site "Zuerich"]
[Date "2006.01.31"]
[Round "?"]
[White "Fleischer, Eugen"]
[Black "Mazzoni, Renzo"]
[Result "1-0"]
[ECO "A15"]
[WhiteElo "1966"]
[PlyCount "69"]
[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. Nf3 Nf6 2. c4 g6 3. b4 d6 4. Bb2 Bg7 5. g3 e5 6. d3 c6 7. Bg2 Nbd7 8. Nbd2 0-0 9. 0-0 Qc7 10. a4 b6 11. b5 Bb7 12. Nb3 a5 13. bxc6 Bxc6 14. Qc2 Rfe8 15. Rfb1 Rab8 16. Bc3 Nc5 17. Nxc5 bxc5 18. Ne1 Rxb1 19. Rxb1 e4 20. Qb2 Nh5 21. Bxg7 Nxg7 22. Qb3 Nf5 23. e3 exd3 24. Bxc6 Qxc6 25. Nxd3 Qe4 26. Nf4 Qf3 27. Qb7 Qxb7 28. Rxb7 Re7 29. Rb8+ Kg7 30. Nd5 Re4 31. Nb6 Kf6 32. Kf1 Ke6 33. Re8+ Ne7 34. f3 Rxe3 35. Rxe7+ 1-0

[Event "Zuerich Seniors op 4th"]
[Site "Zuerich"]
[Date "2006.??.??"]
[Round "?"]
[White "Vollmer, Stefan"]
[Black "Mazzoni, Renzo"]
[Result "1-0"]
[ECO "C02"]
[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 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Bd3 Qb6 6. Ne2 cxd4 7. cxd4 Nge7 8. Nbc3 Bd7 9. Na4 Qc7 10. 0-0 Nf5 11. Bxf5 exf5 12. Nac3 Be6 13. Nf4 Qd7 14. Be3 Be7 15. Rc1 a6 16. Na4 Qc7 17. Nc5 Bxc5 18. Rxc5 b6 19. Rc3 0-0 20. Qc2 Rfc8 21. Nxe6 fxe6 22. Rc1 1-0

[Event "Weggis Seniors op 4th"]
[Site "Weggis"]
[Date "2005.04.21"]
[Round "?"]
[White "Denzinger, Karl"]
[Black "Mazzoni, Renzo"]
[Result "1-0"]
[ECO "C12"]
[WhiteElo "1738"]
[BlackElo "1602"]
[PlyCount "69"]
[EventDate "2005.04.18"]
[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 e6 2. d4 d5 3. Nc3 Bb4 4. Nge2 dxe4 5. a3 Bxc3+ 6. Nxc3 Nf6 7. Bg5 h6 8. Bxf6 Qxf6 9. Nxe4 Qe7 10. Bd3 b6 11. Qf3 c6 12. 0-0 Bb7 13. Qe3 Nd7 14. Rad1 0-0 15. Rd2 Rad8 16. Rfd1 c5 17. dxc5 bxc5 18. Ng3 Nf6 19. h3 Nd5 20. Qe5 Nf6 21. Kh2 Nd7 22. Qc7 Bc8 23. Bb5 Qf6 24. Bxd7 Qxb2 25. Bxc8 Rxc8 26. Qxa7 Ra8 27. Qxc5 Rac8 28. Qb4 Qe5 29. c4 Rb8 30. Qd6 Qf6 31. Ne4 Qh4 32. f3 Rfd8 33. Qc7 Rdc8 34. Qe5 Rb3 35. Nd6 1-0

[Event "Weggis Seniors op 4th"]
[Site "Weggis"]
[Date "2005.04.??"]
[Round "?"]
[White "Chivaux, Serge"]
[Black "Mazzoni, Renzo"]
[Result "0-1"]
[ECO "E87"]
[PlyCount "76"]
[EventDate "2005.04.18"]
[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 g6 2. c4 Nf6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 e5 7. d5 Nbd7 8. Qd2 a5 9. a4 Nc5 10. Qc2 Bd7 11. Nge2 Ne8 12. g4 c6 13. h4 Bf6 14. g5 Be7 15. Ng3 Ng7 16. Be2 f5 17. Bf2 f4 18. Nf1 Nh5 19. Rd1 Qc8 20. b3 Rf7 21. Qa2 Qc7 22. Rg1 Raf8 23. Nh2 Qb6 24. Rb1 Ng3 25. Nf1 Bh3 26. Nxg3 fxg3 27. Rxg3 Bd7 28. Kf1 Qb4 29. Nd1 Bd8 30. Qb2 Bb6 31. Ne3 Nxe4 32. Be1 Nxg3+ 33. Kg2 Qc5 34. Bf2 Nxe2 35. Qxe2 e4 36. Kh2 Rxf3 37. Nd1 Rxf2+ 38. Nxf2 Rxf2+ 0-1

[Event "Weggis Seniors op 4th"]
[Site "Weggis"]
[Date "2005.04.??"]
[Round "8"]
[White "Deller, Henri"]
[Black "Mazzoni, Renzo"]
[Result "0-1"]
[ECO "E90"]
[PlyCount "80"]
[EventDate "2005.04.18"]
[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 g6 2. c4 Nf6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. h3 Nbd7 7. Be3 e5 8. d5 Re8 9. Qc2 a5 10. Bd3 b6 11. g4 Nc5 12. 0-0-0 Bd7 13. Nd2 Rf8 14. Be2 Qe8 15. g5 Nh5 16. Bxh5 gxh5 17. b3 f5 18. exf5 Bxf5 19. Nce4 Nxe4 20. Nxe4 Qg6 21. f3 Bxe4 22. fxe4 Rf3 23. Kd2 Raf8 24. Kd3 R8f4 25. Kd2 Rxe4 26. Qd3 Rd4 27. Ke2 Rxd3 28. Kxf3 Qf5+ 29. Ke2 Rxd1 30. Rxd1 Qxh3 31. Rf1 Qg4+ 32. Kd2 e4 33. Rf4 Qg2+ 34. Rf2 Qg3 35. Rf4 Be5 36. Rf2 Kg7 37. Rf1 Bc3+ 38. Ke2 Qg4+ 39. Kf2 Qf3+ 40. Kg1 Qxe3+ 0-1

[Event "Weggis Seniors op 4th"]
[Site "Weggis"]
[Date "2005.04.??"]
[Round "?"]
[White "Mazzoni, Renzo"]
[Black "Stehli, Walter"]
[Result "1-0"]
[ECO "B22"]
[PlyCount "49"]
[EventDate "2005.04.18"]
[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. c3 Nc6 3. Nf3 e5 4. d4 cxd4 5. cxd4 exd4 6. Nxd4 Nxd4 7. Qxd4 Qc7 8. Nc3 Qd6 9. Qa4 a6 10. Bd2 Qb4 11. Qc2 Nf6 12. Bd3 Qc5 13. Be3 Qc7 14. h3 Bb4 15. Bd4 Be7 16. 0-0 0-0 17. Rfe1 b5 18. e5 Nd5 19. Nxd5 Qxc2 20. Nxe7+ Kh8 21. Bxc2 Bb7 22. Nf5 g6 23. e6+ f6 24. e7 Rg8 25. Bxf6+ 1-0

[Event "Weggis Seniors op 4th"]
[Site "Weggis"]
[Date "2005.04.??"]
[Round "?"]
[White "Mazzoni, Renzo"]
[Black "Thomi, Roesy"]
[Result "0-1"]
[ECO "B08"]
[PlyCount "44"]
[EventDate "2005.04.18"]
[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 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Be2 0-0 6. 0-0 c6 7. Re1 Bg4 8. h3 Bxf3 9. Bxf3 Na6 10. a3 e5 11. Be3 Nc7 12. dxe5 dxe5 13. Qe2 Ne6 14. Rad1 Nd4 15. Qf1 Nxf3+ 16. gxf3 Qa5 17. Qc4 Rfd8 18. Bd2 Rd7 19. Qb3 Rad8 20. Re2 Qa6 21. Qa4 Qxa4 22. Nxa4 Bh6 0-1

[Event "Weggis Seniors op 4th"]
[Site "Weggis"]
[Date "2005.04.??"]
[Round "?"]
[White "Steiner, Christian"]
[Black "Mazzoni, Renzo"]
[Result "1/2-1/2"]
[ECO "E61"]
[PlyCount "100"]
[EventDate "2005.04.18"]
[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 g6 2. c4 Nf6 3. Nf3 Bg7 4. e3 d6 5. Nc3 0-0 6. Be2 Nbd7 7. b3 e5 8. Ba3 Re8 9. 0-0 exd4 10. exd4 Ne4 11. Nxe4 Rxe4 12. Bb2 Nf6 13. Bd3 Re8 14. Rb1 Ne4 15. d5 Bxb2 16. Rxb2 Qf6 17. Qc1 Bf5 18. Bxe4 Bxe4 19. Ng5 Re7 20. Nxe4 Rxe4 21. Rc2 Rae8 22. g3 Kg7 23. Qa1 Qxa1 24. Rxa1 a5 25. a4 b6 26. Kg2 f5 27. h3 Kf6 28. Rcc1 h5 29. Ra2 g5 30. Rc3 R8e7 31. Rb2 g4 32. Rc1 Re2 33. Rxe2 Rxe2 34. Rc3 gxh3+ 35. Kxh3 Rxf2 36. Re3 Rb2 37. Re6+ Kg5 38. Re3 Rb1 39. Re7 Rxb3 40. Rxc7 f4 41. Kg2 Rxg3+ 42. Kf2 Kg4 43. Rc6 h4 44. Rxd6 Rf3+ 45. Ke2 Re3+ 46. Kf2 h3 47. Rg6+ Kf5 48. Rxb6 Rg3 49. Rh6 Rg2+ 50. Kf3 Rg3+ 1/2-1/2

[Event "Zuerich Seniors op 3rd"]
[Site "Zuerich"]
[Date "2005.01.27"]
[Round "4"]
[White "Mazzoni, Renzo"]
[Black "Deller, Henri"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "1613"]
[BlackElo "1368"]
[PlyCount "59"]
[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 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Be2 cxd4 7. cxd4 Nh6 8. a3 Nf5 9. Nc3 Nfxd4 10. Nxd4 Qxd4 11. Qxd4 Nxd4 12. Bd1 Bd7 13. b4 Be7 14. Be3 Nb5 15. Nxb5 Bxb5 16. Rc1 Bc4 17. f4 0-0 18. Kf2 b5 19. g3 Rfd8 20. Bd4 Rd7 21. Bf3 Rb8 22. Rhd1 Bd8 23. Ke3 Bb6 24. Rd2 Bxd4+ 25. Kxd4 Rc7 26. Rdc2 Kf8 27. Rc3 Ke7 28. Bd1 Kd7 29. Bb3 Rbc8 30. Bd1 0-1

[Event "Zuerich Seniors op 3rd"]
[Site "Zuerich"]
[Date "2005.01.26"]
[Round "3"]
[White "Mazzoni, Renzo"]
[Black "Schuler, Erwin"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "1613"]
[BlackElo "1807"]
[PlyCount "54"]
[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 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Nge7 6. a3 Bd7 7. Be2 Ng6 8. b4 cxd4 9. cxd4 Qb6 10. Nc3 a5 11. Na4 Qc7 12. Nc5 axb4 13. Qc2 Nxd4 14. Nxd4 Qxc5 15. Qxc5 Bxc5 16. Nb3 Be7 17. axb4 Rxa1 18. Nxa1 Bxb4+ 19. Bd2 Bxd2+ 20. Kxd2 Nxe5 21. Rb1 Bc6 22. Nb3 Ke7 23. Na5 Kf6 24. g3 Ra8 25. Nxb7 Rb8 26. f4 Rxb7 27. fxe5+ Kxe5 0-1

[Event "Zuerich Seniors op 3rd"]
[Site "Zuerich"]
[Date "2005.??.??"]
[Round "?"]
[White "Mazzoni, Renzo"]
[Black "Meier, Herbert"]
[Result "1/2-1/2"]
[ECO "C42"]
[WhiteElo "1613"]
[BlackElo "1668"]
[PlyCount "37"]
[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 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Bd6 7. 0-0 Bg4 8. h3 Bh5 9. c4 c6 10. cxd5 cxd5 11. Nbd2 f5 12. Qa4+ Nd7 13. Bb5 a6 14. Bxd7+ Qxd7 15. Qxd7+ Kxd7 16. Ne5+ Ke6 17. f3 Nxd2 18. Bxd2 Bxe5 19. dxe5 1/2-1/2

[Event "Samnaun Seniors"]
[Site "Samnaun"]
[Date "2004.07.13"]
[Round "6"]
[White "Mazzoni, Renzo"]
[Black "Gassmann, Kurt"]
[Result "1/2-1/2"]
[ECO "B22"]
[PlyCount "41"]
[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 c5 2. c3 d5 3. exd5 Qxd5 4. d4 e6 5. Nf3 Nf6 6. Be2 Be7 7. 0-0 0-0 8. Nbd2 Nc6 9. Re1 cxd4 10. c4 Qd7 11. Nb3 Rd8 12. Bd3 b6 13. Qc2 Nb4 14. Qe2 Nxd3 15. Qxd3 Qc7 16. Nbxd4 Bb7 17. Qc2 a6 18. Qe2 Re8 19. b3 Rad8 20. Bb2 Qc8 21. a3 1/2-1/2

[Event "Weggis Seniors op"]
[Site "Weggis"]
[Date "2004.??.??"]
[Round "?"]
[White "Mazzoni, Renzo"]
[Black "Busslinger, Felix"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "1610"]
[PlyCount "67"]
[EventDate "2004.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 h6 4. c3 Nf6 5. 0-0 Bc5 6. d4 exd4 7. e5 Nh7 8. cxd4 Be7 9. Nc3 0-0 10. a3 Na5 11. Bd3 c5 12. d5 d6 13. Bf4 c4 14. Bc2 g5 15. Bg3 g4 16. exd6 Bxd6 17. Ne5 Qf6 18. Nxg4 Bxg4 19. Qxg4+ Kh8 20. Qe4 Ng5 21. Qh4 Rad8 22. f4 Nh7 23. Bxh7 Qxh4 24. Bxh4 Kxh7 25. Bxd8 Rxd8 26. Ne4 Be7 27. Rad1 f5 28. d6 Bf8 29. Ng3 Kg6 30. Rfe1 Bxd6 31. Re6+ Kg7 32. Rdxd6 Rxd6 33. Rxd6 Nc6 34. Nxf5+ 1-0

[Event "Zuerich Seniors op 2nd"]
[Site "Zuerich"]
[Date "2004.??.??"]
[Round "?"]
[White "Mazzoni, Renzo"]
[Black "Denzinger, Karl"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1640"]
[BlackElo "1725"]
[PlyCount "106"]
[EventDate "2004.01.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 e6 5. Nf3 Nc6 6. Be3 cxd4 7. cxd4 Bb4+ 8. Nc3 Nge7 9. Be2 0-0 10. 0-0 Qd7 11. Bd3 f6 12. Re1 Ng6 13. Qc2 Qf7 14. Bc4 Nce7 15. Qb3 Bxc3 16. bxc3 Rd8 17. Bd2 Nd5 18. Re4 Rd6 19. a3 Rb6 20. Qa2 Bd7 21. Rae1 Rd6 22. h4 Nf8 23. Qc2 Rc8 24. Bd3 b5 25. Qb3 a6 26. Rc1 Rdc6 27. c4 bxc4 28. Rxc4 Rb6 29. Qc2 Rcb8 30. Re2 Rb2 31. Qc1 R2b3 32. Rc3 Nxc3 33. Bxc3 Rc8 34. Rc2 Bb5 35. Bxb5 Rxb5 36. Bb4 Rxc2 37. Qxc2 Qb7 38. Qc4 a5 39. Bxf8 Kxf8 40. Qxe6 Qb8 41. g3 Rb3 42. Nd2 Rxa3 43. d5 Ra1+ 44. Kg2 Rd1 45. Nf3 Qd8 46. Qe4 g6 47. Nd4 Qd7 48. d6 Kg7 49. Ne6+ Kf7 50. Nc5 Qxd6 51. Qb7+ Kf8 52. Qc8+ Kg7 53. Ne6+ Kf7 0-1

[Event "Zuerich Seniors op 2nd"]
[Site "Zuerich"]
[Date "2004.??.??"]
[Round "?"]
[White "Mazzoni, Renzo"]
[Black "Kammermann, Hans"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "1640"]
[PlyCount "46"]
[EventDate "2004.01.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nc6 3. d4 cxd4 4. cxd4 e6 5. Nc3 d5 6. e5 a6 7. a3 b5 8. b4 Nge7 9. Nf3 Nf5 10. Bb2 Bd7 11. Be2 Be7 12. 0-0 0-0 13. Bd3 Nfxd4 14. Nxd4 Nxd4 15. Nxd5 exd5 16. Bxd4 f5 17. f4 Be6 18. Qd2 Qd7 19. Rac1 Rfc8 20. Qe3 a5 21. Rxc8+ Qxc8 22. Rc1 Qb7 23. Bc5 axb4 1/2-1/2

[Event "Weggis Seniors op"]
[Site "Weggis"]
[Date "2004.??.??"]
[Round "?"]
[White "Mazzoni, Renzo"]
[Black "Ruhle, Ernst Albrecht"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "1610"]
[PlyCount "47"]
[EventDate "2004.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 d5 2. e5 d4 3. b3 c5 4. d3 Nc6 5. f4 f6 6. Bb2 fxe5 7. fxe5 Nxe5 8. Qh5+ Nf7 9. Qxc5 e5 10. Qb5+ Qd7 11. Qxd7+ Bxd7 12. Be2 Rc8 13. c3 Bc5 14. Nf3 dxc3 15. Nxc3 Ne7 16. Ne4 Ng6 17. Nxc5 Rxc5 18. Bc1 b6 19. Bd2 Rc2 20. 0-0 0-0 21. Rfc1 Rfc8 22. Rxc2 Rxc2 23. Bd1 Rc7 24. Rc1 1/2-1/2

[Event "Weggis Seniors op"]
[Site "Weggis"]
[Date "2004.??.??"]
[Round "?"]
[White "Utzinger, Erich"]
[Black "Mazzoni, Renzo"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "1750"]
[BlackElo "1610"]
[PlyCount "51"]
[EventDate "2004.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Nf6 5. Bd3 Nc6 6. 0-0 Be7 7. c3 0-0 8. Bg5 Re8 9. Nbd2 Bg4 10. Bxf6 Bxf6 11. Qc2 g6 12. h3 Be6 13. b4 Ne7 14. Nb3 b6 15. Rfe1 Qd7 16. Kh2 Bf5 17. Re2 Bxd3 18. Qxd3 Nf5 19. Ne5 Bxe5+ 20. dxe5 Re7 21. g4 Ng7 22. f4 Ne6 23. Rf1 c5 24. Qd2 Rae8 25. f5 gxf5 26. gxf5 1-0

[Event "SUI-ch HT3"]
[Site "Switzerland"]
[Date "2001.??.??"]
[Round "6"]
[White "Lehmann, Matthias"]
[Black "Mazzoni, Renzo"]
[Result "1-0"]
[ECO "E61"]
[WhiteElo "2180"]
[PlyCount "71"]
[EventDate "2001.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nf3 d6 4. Nc3 Bg7 5. Bg5 0-0 6. e3 Nbd7 7. Bd3 e5 8. 0-0 c6 9. Qd2 Qc7 10. Rfe1 a5 11. Ne4 Nxe4 12. Bxe4 f6 13. Bh4 f5 14. Bc2 e4 15. Ng5 Nf6 16. Bg3 Qd8 17. a4 Nh5 18. Nh3 d5 19. cxd5 cxd5 20. Bb3 Be6 21. Rec1 Nxg3 22. hxg3 Qb6 23. Rc3 Rfc8 24. Rac1 Rc6 25. Ng5 Rxc3 26. Rxc3 Bf8 27. Qc2 h6 28. Nxe6 Qxe6 29. Rc7 Bd6 30. Rxb7 Rb8 31. Rxb8+ Bxb8 32. Qc5 Kg7 33. Qxa5 Qc6 34. Qxd5 Qxd5 35. Bxd5 Bd6 36. a5 1-0

[Event "SUI-ch HT3"]
[Site "Switzerland"]
[Date "2001.??.??"]
[Round "3"]
[White "Mazzoni, Renzo"]
[Black "Koppen, Willem"]
[Result "1-0"]
[ECO "B22"]
[PlyCount "91"]
[EventDate "2001.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nc6 3. d4 e6 4. Nf3 h6 5. Bd3 Be7 6. 0-0 a6 7. a3 Nf6 8. b4 cxd4 9. cxd4 d6 10. h3 Bd7 11. Nbd2 Rc8 12. Bb2 0-0 13. Rc1 Na7 14. Qe2 Nh5 15. Rxc8 Nxc8 16. g3 Nb6 17. Nh2 Nf6 18. e5 dxe5 19. dxe5 Nh7 20. Bxh7+ Kh8 21. Bd3 Bc6 22. Ne4 Qd5 23. Rd1 Rd8 24. Bc2 Bb5 25. Rxd5 Bxe2 26. Rxd8+ Bxd8 27. Nd6 Kg8 28. Nxb7 Bc7 29. Bb3 Nd7 30. f4 a5 31. Bd4 axb4 32. axb4 Nb6 33. Kf2 Ba6 34. Nd6 Bd3 35. Nf3 Nd5 36. Bxd5 exd5 37. Ke3 Bf1 38. h4 Bh3 39. b5 f6 40. b6 Bb8 41. Nd2 Bd7 42. Nb3 Kf8 43. Nc5 Bc6 44. Na6 Bxd6 45. exd6 Ke8 46. Nc5 1-0

[Event "SUI-ch HT3"]
[Site "Switzerland"]
[Date "2001.??.??"]
[Round "7"]
[White "Mazzoni, Renzo"]
[Black "Kurer, H."]
[Result "1-0"]
[ECO "C01"]
[PlyCount "95"]
[EventDate "2001.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d6 3. Nf3 a6 4. Nc3 Nd7 5. Be2 Be7 6. 0-0 c5 7. dxc5 Nxc5 8. b4 Nd7 9. a3 b5 10. Be3 Bb7 11. Qd2 e5 12. Bd3 Ngf6 13. Qe2 Rc8 14. Bd2 0-0 15. Rac1 Re8 16. Na2 d5 17. exd5 Bxd5 18. Nc3 Ba8 19. Rfe1 Bd6 20. Ng5 e4 21. Ngxe4 Nxe4 22. Nxe4 Qh4 23. g3 Qd8 24. Qf1 Be5 25. Qh3 f6 26. Nd6 Bxd6 27. Qxh7+ Kf8 28. Bg6 Bd5 29. Rxe8+ Qxe8 30. Bxe8 Rxe8 31. Re1 Ne5 32. Qh8+ Kf7 33. Qh5+ Kf8 34. Re3 Bf7 35. Qd1 Be6 36. Bc3 Kf7 37. Bxe5 Bxe5 38. f4 Bc7 39. Rxe6 Rxe6 40. Qd5 Ke7 41. Qc5+ Kd7 42. Qd5+ Bd6 43. Qf5 Bc7 44. Kg2 Ke7 45. Qc5+ Kd7 46. c4 bxc4 47. Qxc4 Rc6 48. Qf7+ 1-0

[Event "SUI-ch HT3"]
[Site "Switzerland"]
[Date "2001.??.??"]
[Round "5"]
[White "Mazzoni, Renzo"]
[Black "Meier, Andre"]
[Result "1/2-1/2"]
[ECO "B06"]
[PlyCount "44"]
[EventDate "2001.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. h3 Nd7 5. Nc3 e6 6. Be3 b6 7. Bd3 Bb7 8. Qd2 h6 9. 0-0 Ne7 10. a4 a6 11. b3 Rc8 12. Rac1 e5 13. dxe5 Nxe5 14. Nxe5 dxe5 15. Qe2 Ra8 16. Rcd1 Qc8 17. Bc4 0-0 18. Rd2 Rd8 19. Rfd1 Rxd2 20. Qxd2 Qf8 21. Qe2 Qc8 22. Qf3 Qe8 1/2-1/2

[Event "SUI-ch op3"]
[Site "Luzern"]
[Date "1994.07.20"]
[Round "5"]
[White "Rusconi, Matteo"]
[Black "Mazzoni, Renzo"]
[Result "0-1"]
[ECO "C18"]
[BlackElo "1569"]
[PlyCount "38"]
[EventDate "1994.07.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Bb5+ Bd7 8. Bxd7+ Nxd7 9. Ne2 Qc7 10. Bf4 Nf5 11. 0-0 Rc8 12. Ra2 b5 13. Qb1 Qa5 14. Bd2 cxd4 15. Qb4 Qb6 16. Nxd4 Rc4 17. Qxb5 Nxd4 18. Qxb6 Ne2+ 19. Kh1 Nxb6 0-1

[Event "SUI-ch op3"]
[Site "Luzern"]
[Date "1994.07.18"]
[Round "3"]
[White "Mazzoni, Renzo"]
[Black "Posta, Joe"]
[Result "0-1"]
[ECO "C56"]
[WhiteElo "1569"]
[PlyCount "44"]
[EventDate "1994.07.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 h6 5. 0-0 d6 6. h3 Nf6 7. d4 exd4 8. cxd4 Bb6 9. Nc3 0-0 10. Re1 Re8 11. Bf4 Ba5 12. e5 dxe5 13. Nxe5 Nxe5 14. Bxe5 Be6 15. Bd3 Nd5 16. Qc1 Rc8 17. a3 Nxc3 18. bxc3 c5 19. Bb5 Re7 20. dxc5 Rxc5 21. Rd1 Rd5 22. Bd3 Rxd3 0-1

[Event "Mendrisio op"]
[Site "Mendrisio"]
[Date "1988.??.??"]
[Round "1"]
[White "Rodighiero, Giuseppe"]
[Black "Mazzoni, Renzo"]
[Result "1/2-1/2"]
[ECO "D15"]
[PlyCount "68"]
[EventDate "1988.10.??"]
[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 c6 2. c4 d5 3. Nf3 Nf6 4. Nc3 Bg4 5. Ne5 Bh5 6. Qb3 Qb6 7. Qxb6 axb6 8. cxd5 Nxd5 9. Nxd5 cxd5 10. e3 Nc6 11. Bb5 Rc8 12. Bd2 Kd8 13. Bxc6 bxc6 14. Rc1 c5 15. dxc5 bxc5 16. Ba5+ Ke8 17. b4 f6 18. Nd3 c4 19. Nf4 Bf7 20. 0-0 e6 21. Rfd1 Bd6 22. Ne2 Ke7 23. Nd4 Bc7 24. Nc6+ Kd6 25. Na7 Bxa5 26. Nxc8+ Rxc8 27. bxa5 Bg6 28. Kf1 Kc5 29. f3 Ra8 30. Rc3 Kb4 31. Rdc1 Rxa5 32. a3+ Rxa3 33. Rxa3 Kxa3 34. Ke1 Kb2 1/2-1/2

