[Event "SUI-chT"]
[Site "Switzerland"]
[Date "2007.09.30"]
[Round "9.8"]
[White "Almada, Enrique"]
[Black "Castagna, Renzo"]
[Result "0-1"]
[ECO "E68"]
[WhiteElo "2338"]
[BlackElo "2149"]
[PlyCount "72"]
[EventDate "2007.02.25"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]
[WhiteTeam "Luzern"]
[BlackTeam "Biel"]
[WhiteTeamCountry "SUI"]
[BlackTeamCountry "SUI"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. g3 0-0 5. Bg2 d6 6. 0-0 Nbd7 7. Nc3 e5 8. e4 exd4 9. Nxd4 Nc5 10. h3 Re8 11. Re1 a5 12. Nb3 Nfd7 13. Be3 a4 14. Nxc5 Nxc5 15. Qc2 Be6 16. f4 Qe7 17. Bxc5 dxc5 18. e5 c6 19. Ne4 Bf5 20. g4 Bxe4 21. Bxe4 Qh4 22. Qg2 a3 23. b3 Rad8 24. Rad1 Rxd1 25. Rxd1 Rd8 26. Rxd8+ Qxd8 27. g5 Qd4+ 28. Kh2 Qe3 29. Qf3 Qd2+ 30. Kg3 Qxa2 31. Qd1 Qb2 32. Qb1 Qd2 33. Kg4 a2 34. Qa1 h6 35. h4 Qf2 36. Qc1 Qd4 0-1

[Event "SUI-chT"]
[Site "Switzerland"]
[Date "2007.09.29"]
[Round "8.8"]
[White "Gruenenwald, Joerg"]
[Black "Castagna, Renzo"]
[Result "1/2-1/2"]
[ECO "E84"]
[WhiteElo "2348"]
[BlackElo "2149"]
[PlyCount "55"]
[EventDate "2007.02.25"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]
[WhiteTeam "Zuerich"]
[BlackTeam "Biel"]
[WhiteTeamCountry "SUI"]
[BlackTeamCountry "SUI"]

1. d4 Nf6 2. c4 g6 3. f3 Bg7 4. e4 d6 5. Nc3 a6 6. Be3 Nc6 7. Qd2 0-0 8. Nge2 Rb8 9. Nc1 e5 10. d5 Nd4 11. N1e2 c5 12. dxc6 bxc6 13. Nxd4 exd4 14. Bxd4 Re8 15. Be2 d5 16. cxd5 cxd5 17. e5 Nd7 18. f4 f6 19. exf6 Nxf6 20. 0-0 Ne4 21. Nxe4 dxe4 22. Rad1 Bxd4+ 23. Qxd4 Qxd4+ 24. Rxd4 Rxb2 25. Bc4+ Kg7 26. Re1 Bf5 27. Bxa6 Rxa2 28. Be2 1/2-1/2

[Event "SUI-chT"]
[Site "Switzerland"]
[Date "2007.09.02"]
[Round "7.7"]
[White "Castagna, Renzo"]
[Black "Gattenloehner, Sebastian"]
[Result "1/2-1/2"]
[ECO "E07"]
[WhiteElo "2149"]
[BlackElo "2239"]
[PlyCount "163"]
[EventDate "2007.02.25"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]
[WhiteTeam "Biel"]
[BlackTeam "Winterthur"]
[WhiteTeamCountry "SUI"]
[BlackTeamCountry "SUI"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 e6 5. g3 dxc4 6. a4 Nbd7 7. Bg2 Be7 8. 0-0 0-0 9. e4 e5 10. d5 Re8 11. Qe2 Qa5 12. Rd1 Bb4 13. Bd2 Nb6 14. Be1 Bg4 15. h3 Bh5 16. g4 Bg6 17. dxc6 bxc6 18. Nh4 Rac8 19. Bf3 Nfd7 20. Nf5 Bxf5 21. exf5 Nc5 22. Be4 Nb3 23. Rab1 Qc5 24. g5 f6 25. Qg4 Kh8 26. Kh1 Qe7 27. Qg2 Nd4 28. g6 Red8 29. Bd2 Nd7 30. Be3 Nf8 31. Qg4 hxg6 32. fxg6 Qe6 33. Qh5+ Kg8 34. Rg1 f5 35. Bxd4 fxe4 36. Be3 Bxc3 37. bxc3 Qf6 38. Rg3 Rc7 39. Bc5 Rcd7 40. Rbg1 Rd5 41. Bxf8 Kxf8 42. Rg5 Qf3+ 43. Qxf3+ exf3 44. Rf5+ Kg8 45. Rxf3 Rd3 46. Rgg3 R8d6 47. Kg2 e4 48. Rf4 Re6 49. Rgg4 Rdd6 50. Rxe4 Rxe4 51. Rxe4 Rxg6+ 52. Kf3 Rh6 53. h4 Kf7 54. Rxc4 Ke7 55. Kg3 Rd6 56. f3 Rf6 57. h5 Kd6 58. Rf4 Rh6 59. Kg4 Ke6 60. Kg5 c5 61. Rf8 Ke7 62. Rf4 Ra6 63. Re4+ Kf7 64. f4 Kf8 65. Re5 Ra5 66. Kf5 Kf7 67. Rd5 Kf8 68. Ke6 Ke8 69. Kd6 Rxa4 70. f5 Rh4 71. Kxc5 Rxh5 72. c4 Rh4 73. Re5+ Kd7 74. Kd5 Rh1 75. Kc5 Rf1 76. Kb5 Rb1+ 77. Ka6 Rc1 78. c5 Kc6 79. Re6+ Kxc5 80. Kxa7 Rf1 81. Rg6 Rxf5 82. Rxg7 1/2-1/2

[Event "SUI-chT"]
[Site "Switzerland"]
[Date "2007.09.01"]
[Round "6.7"]
[White "Drabke, Lorenz Maximilian"]
[Black "Castagna, Renzo"]
[Result "1-0"]
[ECO "C27"]
[WhiteElo "2391"]
[BlackElo "2149"]
[PlyCount "95"]
[EventDate "2007.02.25"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]
[WhiteTeam "Reichenstein"]
[BlackTeam "Biel"]
[WhiteTeamCountry "SUI"]
[BlackTeamCountry "SUI"]

1. e4 e5 2. Bc4 Bc5 3. Nc3 Nf6 4. d3 c6 5. Nf3 d6 6. a3 a5 7. h3 h6 8. Ba2 Nbd7 9. 0-0 0-0 10. Ne2 d5 11. Ng3 Re8 12. Nh2 Nf8 13. Qf3 Be6 14. Nf5 Bxf5 15. Qxf5 Ng6 16. Ng4 Re6 17. g3 Qd6 18. Kg2 Ne7 19. Qf3 Nxg4 20. hxg4 Rd8 21. Bd2 Rg6 22. Bxa5 b6 23. Bc3 f6 24. b4 Bd4 25. Bxd4 exd4 26. Rfe1 Rg5 27. exd5 cxd5 28. Qe4 Kf8 29. Qxd4 Ng6 30. Re3 Ne5 31. f4 Nc6 32. Qxb6 Rxg4 33. b5 Ne7 34. Qxd6 Rxd6 35. Kh3 h5 36. Rb1 Nf5 37. Rf3 Nd4 38. Rf2 f5 39. b6 Nc6 40. Rb5 h4 41. Rxd5 hxg3 42. Rxf5+ Rf6 43. Rxf6+ gxf6 44. Rg2 Rxf4 45. Rxg3 Ra4 46. Rg8+ Ke7 47. b7 Rxa3 48. Bd5 1-0

[Event "SUI-chT"]
[Site "Switzerland"]
[Date "2007.04.22"]
[Round "3.7"]
[White "Castagna, Renzo"]
[Black "Vulevic, Vjekoslav"]
[Result "1-0"]
[ECO "E63"]
[WhiteElo "2149"]
[BlackElo "2314"]
[PlyCount "125"]
[EventDate "2007.02.25"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]
[WhiteTeam "Biel"]
[BlackTeam "Basel"]
[WhiteTeamCountry "SUI"]
[BlackTeamCountry "SUI"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d6 6. c4 Nc6 7. Nc3 a6 8. h3 Rb8 9. e4 e5 10. d5 Na5 11. Nd2 c5 12. Qc2 Nh5 13. b3 f5 14. exf5 gxf5 15. Bb2 Bd7 16. Rae1 Qe8 17. Ne2 Qg6 18. Kh2 b5 19. Bc3 Nb7 20. Rg1 Nd8 21. f4 Nf7 22. Nf3 bxc4 23. bxc4 Rbe8 24. Nh4 Qh6 25. Nxf5 Bxf5 26. Qxf5 exf4 27. Bxg7 fxg3+ 28. Nxg3 Nxg7 29. Qc2 Ne5 30. Re4 Kh8 31. Qe2 Qg5 32. Rf1 Rg8 33. Qf2 Rb8 34. Qf6 Qxf6 35. Rxf6 Rgd8 36. Rh4 Kg8 37. Be4 Rb2+ 38. Kg1 h5 39. Nxh5 Rd7 40. Nf4 Rf7 41. Rxd6 Re7 42. Ne6 Nxe6 43. dxe6 Kg7 44. Rh7+ Kf6 45. Rxe7 Kxe7 46. Rxa6 Nxc4 47. Bd5 Nd6 48. Ra7+ Kf6 49. Rd7 Nf5 50. Rf7+ Ke5 51. Bb3 Re2 52. e7 Kf4 53. Bc2 Kg3 54. Rxf5 Re1+ 55. Rf1 Rxe7 56. Bb3 Kxh3 57. Rc1 Re5 58. Kf2 Kg4 59. Re1 Rf5+ 60. Ke3 Rf3+ 61. Kd2 Kf4 62. Re8 Rg3 63. Rc8 1-0

[Event "SUI-chT"]
[Site "Switzerland"]
[Date "2007.02.25"]
[Round "1.8"]
[White "Castagna, Renzo"]
[Black "Vezzosi, Paolo"]
[Result "1-0"]
[ECO "E60"]
[WhiteElo "2149"]
[BlackElo "2309"]
[PlyCount "85"]
[EventDate "2007.02.25"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "CBM 117 Extra"]
[Source "ChessBase"]
[SourceDate "2007.05.09"]
[SourceVersion "1"]
[SourceVersionDate "2007.05.09"]
[SourceQuality "1"]
[WhiteTeam "Biel"]
[BlackTeam "Mendrisio"]
[WhiteTeamCountry "SUI"]
[BlackTeamCountry "SUI"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 c5 5. 0-0 0-0 6. d5 b5 7. c4 bxc4 8. Nc3 d6 9. e4 Nfd7 10. Re1 Ba6 11. Bf4 Ne5 12. Bxe5 Bxe5 13. Nxe5 dxe5 14. f4 Qd6 15. Qe2 Nd7 16. Bh3 Nb6 17. Qe3 Bc8 18. Bf1 exf4 19. gxf4 Qf6 20. e5 Qh4 21. Rad1 Bg4 22. Rc1 Rad8 23. Bg2 Bf5 24. Rf1 Bd3 25. Rf3 Qg4 26. Rg3 Qc8 27. Bh3 Bf5 28. Bg2 Rd7 29. Rg5 f6 30. Rg3 fxe5 31. fxe5 Rdd8 32. e6 Rf6 33. Qh6 Qb8 34. Re1 Kh8 35. Ree3 Rg8 36. Qg5 Bd3 37. Rh3 Bf5 38. Rhf3 Rgf8 39. Rf4 Bd3 40. Rh4 Rf5 41. Qxe7 Rh5 42. Rxh5 gxh5 43. Rg3 1-0

[Event "SUI-ch Seniors"]
[Site "Leukerbad"]
[Date "2007.??.??"]
[Round "7"]
[White "Castagna, Renzo"]
[Black "Maurer, Fritz"]
[Result "1-0"]
[ECO "E63"]
[WhiteElo "2184"]
[BlackElo "2070"]
[PlyCount "69"]
[EventDate "2007.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 0-0 5. c4 d6 6. 0-0 Nc6 7. Nc3 a6 8. h3 Rb8 9. e4 b5 10. cxb5 axb5 11. Re1 b4 12. Na4 Na5 13. Bf4 Bd7 14. b3 Qc8 15. Kh2 Qa6 16. Nb2 Rbc8 17. Qd2 Qb6 18. Rac1 Rfd8 19. Bh6 c5 20. Bxg7 Kxg7 21. e5 Ng8 22. dxc5 dxc5 23. Qe3 Be6 24. Ng5 Nh6 25. Na4 Qb5 26. Nxe6+ fxe6 27. Rxc5 Rxc5 28. Nxc5 Qb6 29. g4 Nf7 30. f4 Rc8 31. Rc1 Nd8 32. f5 Kg8 33. fxg6 Ndb7 34. Qh6 hxg6 35. Qxg6+ 1-0

[Event "SUI-ch Seniors"]
[Site "Leukerbad"]
[Date "2007.??.??"]
[Round "5"]
[White "Castagna, Renzo"]
[Black "Pauchard, Pierre"]
[Result "1/2-1/2"]
[ECO "A96"]
[WhiteElo "2184"]
[BlackElo "2142"]
[PlyCount "28"]
[EventDate "2007.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. d4 e6 2. c4 f5 3. g3 Nf6 4. Bg2 Be7 5. Nc3 0-0 6. Nf3 d6 7. 0-0 a5 8. Qc2 Nc6 9. a3 e5 10. dxe5 dxe5 11. Rd1 Qe8 12. Nd5 Bd8 13. Be3 Qh5 14. Bc5 Re8 1/2-1/2

[Event "SUI-ch Seniors"]
[Site "Leukerbad"]
[Date "2007.??.??"]
[Round "8"]
[White "Castagna, Renzo"]
[Black "Vucenovic, Dragomir"]
[Result "0-1"]
[ECO "E05"]
[WhiteElo "2184"]
[BlackElo "2300"]
[PlyCount "66"]
[EventDate "2007.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 Be7 5. 0-0 0-0 6. c4 dxc4 7. Qc2 Bd7 8. Ne5 Nc6 9. Nxc6 Bxc6 10. Bxc6 bxc6 11. Qxc4 Qd5 12. Qa4 c5 13. dxc5 Bxc5 14. Nc3 Qh5 15. Kg2 Bb6 16. Qc4 Rad8 17. h3 Nd5 18. Na4 f5 19. Nxb6 axb6 20. e4 fxe4 21. Qxe4 Qf5 22. Qe2 e5 23. a4 e4 24. Ra3 c5 25. a5 bxa5 26. Rxa5 Nb4 27. Qc4+ Kh8 28. Rxc5 Qf3+ 29. Kg1 Nd3 30. Be3 Nxc5 31. Qxc5 h6 32. Qb4 Rf5 33. Qb7 Rfd5 0-1

[Event "SUI-ch Seniors"]
[Site "Leukerbad"]
[Date "2007.??.??"]
[Round "1"]
[White "Castagna, Renzo"]
[Black "Wiser, Hans Rudolf"]
[Result "1-0"]
[ECO "D78"]
[WhiteElo "2184"]
[BlackElo "1911"]
[PlyCount "47"]
[EventDate "2007.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. g3 c6 4. Bg2 g6 5. 0-0 Bg7 6. Nbd2 0-0 7. c4 Nbd7 8. h3 Qc7 9. Qc2 Nb6 10. cxd5 Nbxd5 11. a3 Nh5 12. e4 Ndf4 13. gxf4 Nxf4 14. Nc4 Nxh3+ 15. Kh1 c5 16. Nce5 b6 17. Be3 Bxe5 18. dxe5 Bg4 19. Qc3 e6 20. Nh2 h5 21. f3 Kg7 22. fxg4 hxg4 23. Bxh3 gxh3 24. Bg5 1-0

[Event "SUI-ch Seniors"]
[Site "Leukerbad"]
[Date "2007.??.??"]
[Round "4"]
[White "Karl, Hans"]
[Black "Castagna, Renzo"]
[Result "1-0"]
[ECO "A65"]
[WhiteElo "2243"]
[BlackElo "2184"]
[PlyCount "85"]
[EventDate "2007.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Bg5 c5 7. d5 a6 8. Qd2 Qa5 9. a4 e6 10. Ra3 exd5 11. cxd5 Nbd7 12. Nge2 Re8 13. Nc1 Ne5 14. Be2 Qc7 15. 0-0 c4 16. Be3 b6 17. N1a2 Bb7 18. Rc1 Rac8 19. Nd1 Qd8 20. b3 cxb3 21. Rxb3 Ned7 22. Rcb1 Qe7 23. Bf1 a5 24. Nac3 Ba8 25. Bf2 h5 26. Be3 Nh7 27. Bd4 h4 28. Nf2 Ng5 29. Be3 Nh7 30. Ne2 Rc4 31. Nd4 Rxa4 32. Nc6 Qf6 33. Bb5 Ra1 34. Bd4 Rxb1+ 35. Rxb1 Qg5 36. Be3 Qh5 37. Nxa5 Nhf6 38. Nc4 Bf8 39. Nxb6 Rd8 40. Nxd7 Nxd7 41. Bxd7 Rxd7 42. Rb8 Bb7 43. Bh6 1-0

[Event "SUI-ch Seniors"]
[Site "Leukerbad"]
[Date "2007.??.??"]
[Round "9"]
[White "Morf, Juerg Walter"]
[Black "Castagna, Renzo"]
[Result "0-1"]
[ECO "C25"]
[WhiteElo "1980"]
[BlackElo "2184"]
[PlyCount "46"]
[EventDate "2007.07.??"]
[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. Nc3 Bc5 3. g3 Nc6 4. Bg2 a6 5. Nge2 d6 6. 0-0 Be6 7. d3 Qd7 8. Nd5 0-0-0 9. c3 Bh3 10. b4 Ba7 11. Be3 h5 12. Bxa7 h4 13. f4 hxg3 14. f5 gxh2+ 15. Kh1 Bxg2+ 16. Kxg2 Nxa7 17. Ng3 Ne7 18. Qg4 Nxd5 19. exd5 Kb8 20. a4 g6 21. Kh1 Rdg8 22. Ne4 gxf5 23. Qxf5 Rg1+ 0-1

[Event "SUI-ch Seniors"]
[Site "Leukerbad"]
[Date "2007.??.??"]
[Round "6"]
[White "Schweizer, Robert"]
[Black "Castagna, Renzo"]
[Result "0-1"]
[ECO "A68"]
[WhiteElo "1972"]
[BlackElo "2184"]
[PlyCount "72"]
[EventDate "2007.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 0-0 6. Nf3 c5 7. d5 e6 8. Be2 exd5 9. cxd5 Bg4 10. 0-0 Nbd7 11. h3 Bxf3 12. Bxf3 a6 13. a4 Qc7 14. Qc2 c4 15. Be3 Nc5 16. Rad1 Rfe8 17. Kh1 Nfd7 18. Bd4 Bxd4 19. Rxd4 Nb3 20. Rdd1 Rab8 21. Bg4 Ndc5 22. f5 Qe7 23. f6 Qe5 24. Qf2 Qg5 25. Be6 Rf8 26. h4 Qh6 27. Bg4 Nd3 28. Qg3 Ne5 29. Rf2 b5 30. axb5 axb5 31. Ne2 Nc5 32. Bf3 Ncd3 33. Nd4 Nxf2+ 34. Qxf2 Qf4 35. Ne2 Qxf6 36. Nd4 Nd3 0-1

[Event "EU-ch Seniors 06th"]
[Site "Davos"]
[Date "2006.08.13"]
[Round "9"]
[White "Kock, Hans Uwe"]
[Black "Castagna, Renzo"]
[Result "1/2-1/2"]
[ECO "E71"]
[WhiteElo "2130"]
[BlackElo "2231"]
[PlyCount "45"]
[EventDate "2006.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "CBM 113 Extra"]
[Source "ChessBase"]
[SourceDate "2006.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2006.09.14"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. h3 0-0 6. Be3 e5 7. d5 a5 8. Bd3 Na6 9. Nge2 Bd7 10. g4 Nc5 11. Bc2 c6 12. Ng3 cxd5 13. cxd5 b5 14. f3 b4 15. Na4 Bxa4 16. Bxa4 Nfd7 17. Bxd7 Nxd7 18. Qd2 Qh4 19. Kf2 Qe7 20. h4 Rfc8 21. h5 Rc7 22. Rac1 Rac8 23. Rxc7 1/2-1/2

[Event "EU-ch Seniors 06th"]
[Site "Davos"]
[Date "2006.08.12"]
[Round "8"]
[White "Castagna, Renzo"]
[Black "Taksrud, Vidar"]
[Result "1-0"]
[ECO "A43"]
[WhiteElo "2231"]
[BlackElo "1990"]
[PlyCount "57"]
[EventDate "2006.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "CBM 113 Extra"]
[Source "ChessBase"]
[SourceDate "2006.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2006.09.14"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 c5 3. g3 cxd4 4. Nxd4 Nc6 5. Bg2 d5 6. 0-0 e5 7. Nb3 Be6 8. Bg5 Be7 9. Nc3 d4 10. Bxf6 gxf6 11. Ne4 Qb6 12. Qd2 h5 13. h4 0-0-0 14. Kh2 Rdg8 15. Qc1 Kb8 16. c3 f5 17. Ned2 Rc8 18. Qd1 Bf6 19. cxd4 Nxd4 20. e3 Nxb3 21. Nxb3 f4 22. exf4 exf4 23. Qf3 Rc4 24. Rac1 Bg4 25. Qd5 Rxc1 26. Rxc1 Bxb2 27. Rc2 fxg3+ 28. fxg3 Ba3 29. Qe5+ 1-0

[Event "EU-ch Seniors 06th"]
[Site "Davos"]
[Date "2006.08.11"]
[Round "7"]
[White "Medvedev, Mikhail"]
[Black "Castagna, Renzo"]
[Result "1-0"]
[ECO "C47"]
[WhiteElo "2000"]
[BlackElo "2231"]
[PlyCount "69"]
[EventDate "2006.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "CBM 113 Extra"]
[Source "ChessBase"]
[SourceDate "2006.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2006.09.14"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 bxc6 7. Bd3 d5 8. exd5 cxd5 9. 0-0 Bxc3 10. bxc3 0-0 11. Bg5 h6 12. Bh4 Rb8 13. Qf3 Rb6 14. Rab1 c6 15. Bxf6 Qxf6 16. Qxf6 gxf6 17. c4 dxc4 18. Bxc4 Ba6 19. Rxb6 Bxc4 20. Rxc6 Bxf1 21. Kxf1 Kg7 22. Rc7 Rb8 23. Ke2 Rb2 24. a3 Ra2 25. Rc3 Ra1 26. h3 f5 27. g3 a5 28. Kd3 a4 29. Kc4 Rb1 30. Kd4 Re1 31. Rf3 Kg6 32. Kc3 h5 33. h4 Kf6 34. Rf4 Rf1 35. Kb4 1-0

[Event "EU-ch Seniors 06th"]
[Site "Davos"]
[Date "2006.08.10"]
[Round "6"]
[White "Castagna, Renzo"]
[Black "Vollmer, Stefan"]
[Result "1/2-1/2"]
[ECO "D78"]
[WhiteElo "2231"]
[BlackElo "2024"]
[PlyCount "102"]
[EventDate "2006.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "CBM 113 Extra"]
[Source "ChessBase"]
[SourceDate "2006.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2006.09.14"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. g3 g6 4. Bg2 Bg7 5. 0-0 0-0 6. c4 c6 7. Nc3 Nbd7 8. h3 Re8 9. Ne5 Nxe5 10. dxe5 Nd7 11. cxd5 cxd5 12. f4 e6 13. Be3 a6 14. a4 b6 15. Bd4 Bb7 16. e3 Rc8 17. Rc1 Qe7 18. Qb3 Rc4 19. Rfd1 Rec8 20. Bf1 R4c6 21. Kh2 Nc5 22. Qa3 Bf8 23. Bg2 Qc7 24. Qa2 Nd7 25. Qb1 Qd8 26. e4 dxe4 27. Bxe4 Qc7 28. Bxc6 Qxc6 29. Ne4 Qxa4 30. Rxc8 Bxc8 31. b3 Qb5 32. Qc2 Bb7 33. Bg1 Bd5 34. Qd3 Qb4 35. Nf2 Nc5 36. Qe3 a5 37. Nd3 Qxb3 38. Nxc5 Qxd1 39. Nd7 Bc5 40. Nxc5 bxc5 41. g4 a4 42. Kg3 a3 43. Qxc5 Qf3+ 44. Kh4 a2 45. Qc8+ Kg7 46. Bc5 Qf2+ 47. Bxf2 a1Q 48. Qd8 h6 49. Qf6+ Kg8 50. Qd8+ Kg7 51. Qf6+ Kg8 1/2-1/2

[Event "EU-ch Seniors 06th"]
[Site "Davos"]
[Date "2006.08.09"]
[Round "5"]
[White "Dotan, Valeria"]
[Black "Castagna, Renzo"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "2027"]
[BlackElo "2231"]
[PlyCount "54"]
[EventDate "2006.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "CBM 113 Extra"]
[Source "ChessBase"]
[SourceDate "2006.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2006.09.14"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 g6 3. Nc3 d5 4. Bf4 Bg7 5. Qd2 0-0 6. h3 a6 7. g4 b5 8. a3 Bb7 9. Bg2 Nbd7 10. Ne5 e6 11. 0-0 c5 12. e3 Rc8 13. Nxd7 Nxd7 14. Ne2 Qb6 15. c3 a5 16. Rfc1 Rfe8 17. a4 b4 18. cxb4 cxb4 19. b3 Ba6 20. Bf1 h6 21. Rxc8 Rxc8 22. Rc1 Rxc1 23. Qxc1 e5 24. dxe5 Nxe5 25. Bxe5 Bxe5 26. Qc2 Bxe2 27. Bxe2 Bc3 1/2-1/2

[Event "EU-ch Seniors 06th"]
[Site "Davos"]
[Date "2006.08.08"]
[Round "4"]
[White "Castagna, Renzo"]
[Black "Kirsch, Gerard"]
[Result "1-0"]
[ECO "A96"]
[WhiteElo "2231"]
[BlackElo "2064"]
[PlyCount "58"]
[EventDate "2006.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "CBM 113 Extra"]
[Source "ChessBase"]
[SourceDate "2006.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2006.09.14"]
[SourceQuality "1"]

1. d4 e6 2. Nf3 f5 3. g3 Nf6 4. Bg2 Be7 5. 0-0 0-0 6. c4 d6 7. Nc3 a5 8. b3 Ne4 9. Bb2 Nxc3 10. Bxc3 Nd7 11. Qc2 Nf6 12. e3 Qe8 13. a3 Ne4 14. Bb2 Bd7 15. Rac1 c6 16. Nd2 Nxd2 17. Qxd2 Bf6 18. Rfd1 a4 19. b4 Rd8 20. d5 Bxb2 21. Qxb2 e5 22. c5 Rf6 23. cxd6 Rxd6 24. dxc6 Bxc6 25. Rxd6 Rxd6 26. Bxc6 Rxc6 27. Rxc6 Qxc6 28. Qxe5 Qc1+ 29. Kg2 Qxa3 1-0

[Event "EU-ch Seniors 06th"]
[Site "Davos"]
[Date "2006.08.07"]
[Round "3"]
[White "Schumacher, Helmut"]
[Black "Castagna, Renzo"]
[Result "1/2-1/2"]
[ECO "D01"]
[WhiteElo "2067"]
[BlackElo "2231"]
[PlyCount "40"]
[EventDate "2006.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "CBM 113 Extra"]
[Source "ChessBase"]
[SourceDate "2006.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2006.09.14"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 d5 3. Bg5 c6 4. e3 Nbd7 5. Nf3 g6 6. Bd3 Bg7 7. 0-0 0-0 8. Re1 c5 9. h3 a6 10. a4 Re8 11. Bh4 h6 12. a5 e6 13. Bg3 Qe7 14. Bh2 Nf8 15. Na4 N8d7 16. dxc5 e5 17. e4 dxe4 18. Bxe4 Nxe4 19. Rxe4 Nxc5 20. Nxc5 Qxc5 1/2-1/2

[Event "EU-ch Seniors 06th"]
[Site "Davos"]
[Date "2006.08.06"]
[Round "2"]
[White "Castagna, Renzo"]
[Black "Gavrilenko, Viktor"]
[Result "0-1"]
[ECO "E08"]
[WhiteElo "2231"]
[BlackElo "2025"]
[PlyCount "79"]
[EventDate "2006.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "CBM 113 Extra"]
[Source "ChessBase"]
[SourceDate "2006.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2006.09.14"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. g3 b6 4. Bg2 Bb7 5. 0-0 Be7 6. c4 0-0 7. Nc3 d5 8. Qc2 c6 9. b3 Nbd7 10. Bb2 Rc8 11. e4 Ba6 12. Rfd1 Qc7 13. Ne5 Nxe5 14. dxe5 Ng4 15. exd5 cxd5 16. Qe2 Nh6 17. Bxd5 exd5 18. Nxd5 Qb7 19. e6 Rce8 20. Qe5 f6 21. Qe4 Qc8 22. Qf4 Bb7 23. Re1 Qc6 24. Rad1 Kh8 25. Qc7 Bc5 26. Qxc6 Bxc6 27. e7 Rf7 28. Nc7 Rexe7 29. Rd8+ Ng8 30. Rxe7 Rxe7 31. Nd5 Re1+ 32. Kg2 Re2 33. Bc3 Rxf2+ 34. Kh3 h6 35. b4 Bxd5 36. cxd5 Be7 37. Rd7 Rc2 38. d6 Bxd6 39. Bxf6 Nxf6 40. Rxd6 0-1

[Event "EU-ch Seniors 06th"]
[Site "Davos"]
[Date "2006.08.05"]
[Round "1"]
[White "Frank, Albert"]
[Black "Castagna, Renzo"]
[Result "0-1"]
[ECO "C88"]
[WhiteElo "2010"]
[BlackElo "2231"]
[PlyCount "84"]
[EventDate "2006.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "CBM 113 Extra"]
[Source "ChessBase"]
[SourceDate "2006.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2006.09.14"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 0-0 8. Bd5 Nxd5 9. exd5 Nb4 10. Nxe5 Bb7 11. Nc3 d6 12. Ng4 f5 13. a3 Nxd5 14. Nxd5 Bxd5 15. Ne3 Bc6 16. d4 g6 17. d5 Bd7 18. c3 Bf6 19. Nc2 Re8 20. Bh6 Be5 21. Qd2 Qh4 22. g3 Qh5 23. Bf4 Bf6 24. h4 Kg7 25. Nd4 h6 26. Ne6+ Bxe6 27. Rxe6 Rxe6 28. dxe6 g5 29. Qd5 Re8 30. Qxf5 Qf3 31. h5 Qxh5 32. g4 Qg6 33. Be3 Be5 34. Bd4 Qxe6 35. Qxe6 Rxe6 36. Be3 d5 37. Kg2 Kg6 38. a4 b4 39. cxb4 Bxb2 40. Rb1 Bc3 41. b5 axb5 42. axb5 d4 0-1

[Event "SUI-ch Seniors"]
[Site "Lenzerheide"]
[Date "2006.07.16"]
[Round "4"]
[White "Karl, Hans"]
[Black "Castagna, Renzo"]
[Result "1/2-1/2"]
[ECO "E81"]
[WhiteElo "2240"]
[BlackElo "2231"]
[PlyCount "71"]
[EventDate "2006.07.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "CBM 113 Extra"]
[Source "ChessBase"]
[SourceDate "2006.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2006.09.14"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 a6 6. Bg5 c6 7. a4 a5 8. Bd3 Nbd7 9. Nge2 0-0 10. 0-0 e5 11. d5 Qc7 12. Qd2 Re8 13. Kh1 Nc5 14. Bc2 Bd7 15. Rfd1 Rad8 16. dxc6 Bxc6 17. Nd5 Bxd5 18. cxd5 Rc8 19. Nc3 Nfd7 20. Nb5 Qb6 21. Be3 Bf8 22. Bf2 Qd8 23. Be1 Na6 24. Rdc1 Nb4 25. Bd1 Nc5 26. Rc3 Be7 27. Bf2 b6 28. Be2 Bg5 29. Qd1 Rf8 30. Rc4 Qd7 31. Be1 Nca6 32. Bd2 Bxd2 33. Qxd2 Rxc4 34. Bxc4 Rc8 35. b3 Nc5 36. Rc1 1/2-1/2

[Event "SUI-ch Seniors"]
[Site "Lenzerheide"]
[Date "2006.07.15"]
[Round "3"]
[White "Castagna, Renzo"]
[Black "Baumgartner, Walter"]
[Result "1-0"]
[ECO "E18"]
[WhiteElo "2231"]
[BlackElo "2087"]
[PlyCount "81"]
[EventDate "2006.07.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "CBM 113 Extra"]
[Source "ChessBase"]
[SourceDate "2006.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2006.09.14"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. g3 b6 4. Bg2 Bb7 5. 0-0 Be7 6. c4 0-0 7. Nc3 Ne4 8. Bd2 f5 9. d5 Nxd2 10. Nxd2 Bf6 11. Rc1 Bxc3 12. Rxc3 e5 13. e4 f4 14. b4 a5 15. a3 axb4 16. axb4 c5 17. bxc5 bxc5 18. Qh5 d6 19. Bh3 Bc8 20. Nf3 Bxh3 21. Qxh3 Qf6 22. Rb3 Ra7 23. Rfb1 Na6 24. Ra1 g5 25. Qg4 fxg3 26. hxg3 h6 27. Kg2 Kg7 28. Rba3 Rfa8 29. Nh4 h5 30. Nf5+ Kg6 31. Qe2 Qd8 32. Rh1 Rh7 33. Qa2 Rha7 34. Qa1 Qb6 35. Rxh5 Kxh5 36. Qh1+ Kg6 37. Qh6+ Kf7 38. Nxd6+ Kg8 39. Qe6+ Kh7 40. g4 Qxd6 41. Qxd6 1-0

[Event "SUI-ch Seniors"]
[Site "Lenzerheide"]
[Date "2006.07.13"]
[Round "1"]
[White "Castagna, Renzo"]
[Black "Sigrist, Werner"]
[Result "1-0"]
[ECO "E69"]
[WhiteElo "2231"]
[PlyCount "35"]
[EventDate "2006.07.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "CBM 113 Extra"]
[Source "ChessBase"]
[SourceDate "2006.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2006.09.14"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d6 6. c4 Nbd7 7. Nc3 e5 8. e4 c6 9. h3 Re8 10. Re1 Qe7 11. Be3 exd4 12. Nxd4 Ne5 13. b3 Ned7 14. Qc2 Nc5 15. Rad1 Nfxe4 16. Nxe4 Nxe4 17. Bxe4 Qxe4 18. Bd2 1-0

[Event "SUI-chT"]
[Site "Switzerland"]
[Date "2003.03.23"]
[Round "2.6"]
[White "Bauert, Ralph"]
[Black "Castagna, Renzo"]
[Result "1-0"]
[ECO "A24"]
[WhiteElo "2269"]
[BlackElo "2189"]
[PlyCount "121"]
[EventDate "2003.03.23"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]
[WhiteTeam "Wollishofen"]
[BlackTeam "Biel"]
[WhiteTeamCountry "SUI"]
[BlackTeamCountry "SUI"]

1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d6 6. Nc3 e5 7. d3 Re8 8. Bg5 h6 9. Bxf6 Bxf6 10. Rb1 Bg7 11. b4 Nd7 12. Qb3 a5 13. b5 Nc5 14. Qc2 Be6 15. Nd2 Rb8 16. Nb3 b6 17. Nxc5 dxc5 18. Rbe1 Qd6 19. Rd1 Rbd8 20. Rfe1 Kh7 21. Bd5 Rf8 22. Bxe6 Qxe6 23. Nd5 Qd6 24. e3 Rfe8 25. Qe2 Rd7 26. Qf3 f5 27. e4 Rf8 28. exf5 Rxf5 29. Qe4 Rdf7 30. Rf1 Qd7 31. Rde1 Bf8 32. f4 exf4 33. Rxf4 Bd6 34. Rxf5 Rxf5 35. Rf1 Rxf1+ 36. Kxf1 Qf7+ 37. Kg2 Kg7 38. a4 g5 39. g4 h5 40. h3 hxg4 41. hxg4 Qg6 42. Qxg6+ Kxg6 43. Kf3 Kf7 44. Ke4 Ke6 45. Ne3 Be5 46. Nf5 Bf6 47. d4 cxd4 48. Nxd4+ Kd6 49. Nb3 Ke6 50. c5 Be7 51. Nd4+ Kf6 52. cxb6 cxb6 53. Kd5 Bc5 54. Nf5 Bf2 55. Nd6 Be3 56. Nc4 Bg1 57. Kc6 Ke6 58. Nxb6 Ke5 59. Nd5 Ke4 60. b6 Bxb6 61. Nf6+ 1-0

[Event "SUI-chT"]
[Site "Switzerland"]
[Date "1994.??.??"]
[Round "5"]
[White "Castagna, Renzo"]
[Black "Sherwin, James T"]
[Result "1/2-1/2"]
[ECO "D19"]
[WhiteElo "2205"]
[BlackElo "2265"]
[PlyCount "83"]
[EventDate "1994.??.??"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. c4 c6 4. Nc3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Bb4 8. 0-0 Nbd7 9. Qe2 Bg6 10. h3 0-0 11. Rd1 Qe7 12. Bd2 Rfd8 13. Be1 a5 14. Rac1 h6 15. Nb1 Bd6 16. Bc3 Ne4 17. Nbd2 Nxc3 18. Rxc3 e5 19. Nf1 Bh5 20. dxe5 Nxe5 21. Ba2 Nxf3+ 22. gxf3 Qg5+ 23. Kh1 Qh4 24. Kg2 Qxa4 25. Bb3 Qb4 26. Rd4 Qb6 27. Rh4 Bg6 28. Rg4 Bf5 29. f4 Bb4 30. Rc1 Be4+ 31. Kh2 Bd5 32. Bc2 Kf8 33. Ng3 Be6 34. f5 Rd2 35. Qf3 Bd5 36. Be4 Bd6 37. Bxd5 Qxb2 38. Rf1 cxd5 39. Kg2 Bxg3 40. Qxg3 Qf6 41. Rc1 h5 42. Rh4 1/2-1/2

[Event "Zuerich op-A 15th"]
[Site "Zuerich"]
[Date "1991.??.??"]
[Round "6"]
[White "Castagna, Renzo"]
[Black "Niederost, Bruno"]
[Result "0-1"]
[ECO "A52"]
[WhiteElo "2270"]
[PlyCount "88"]
[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 e5 3. dxe5 Ng4 4. Nf3 Bc5 5. e3 Nc6 6. Be2 0-0 7. 0-0 Re8 8. Nc3 Ncxe5 9. Nxe5 Nxe5 10. b3 a5 11. Bb2 Ra6 12. Ne4 Ba7 13. Qd5 Rh6 14. c5 c6 15. Qd4 d5 16. Ng3 b6 17. cxb6 Bxb6 18. Qa4 Rh4 19. b4 Rxb4 20. Qc2 Qf6 21. Rab1 Ba7 22. Bc3 Rh4 23. Rfd1 Qh6 24. Nf1 Ng4 25. Bxg4 Bxg4 26. f3 Bxe3+ 27. Nxe3 Qxe3+ 28. Qf2 Qxf2+ 29. Kxf2 Be6 30. Bd4 Rxh2 31. Rb6 Rc8 32. Kg3 Rh6 33. Rc1 Bd7 34. Rc5 Rg6+ 35. Kf2 a4 36. Ra6 h5 37. Rxa4 h4 38. Ra7 h3 39. gxh3 Bxh3 40. a4 Rg2+ 41. Ke3 Re8+ 42. Kd3 Bf5+ 43. Kc3 Rb8 44. Be3 f6 0-1

[Event "Zuerich op-A 15th"]
[Site "Zuerich"]
[Date "1991.??.??"]
[Round "4"]
[White "Castagna, Renzo"]
[Black "Plachetka, Jan"]
[Result "0-1"]
[ECO "A59"]
[WhiteElo "2270"]
[BlackElo "2425"]
[PlyCount "56"]
[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 c5 3. d5 b5 4. cxb5 a6 5. bxa6 g6 6. Nc3 Bxa6 7. Nf3 Bg7 8. e4 Bxf1 9. Kxf1 d6 10. g3 Nbd7 11. Kg2 0-0 12. Re1 Ng4 13. h3 Nge5 14. Nxe5 Nxe5 15. f4 Nd7 16. Re2 Qb6 17. Qc2 Rfb8 18. Be3 Qxb2 19. Qxb2 Rxb2 20. Rxb2 Bxc3 21. Rab1 Bxb2 22. Rxb2 Nf6 23. Kf3 Ra4 24. f5 Kg7 25. fxg6 Kxg6 26. g4 Nxe4 27. Rb7 Nf6 28. Rxe7 Ra3 0-1

[Event "Zuerich op-A 15th"]
[Site "Zuerich"]
[Date "1991.??.??"]
[Round "5"]
[White "Haldemann, Paul"]
[Black "Castagna, Renzo"]
[Result "1-0"]
[ECO "E74"]
[WhiteElo "2350"]
[BlackElo "2270"]
[PlyCount "66"]
[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. Bg5 c5 7. d5 h6 8. Bf4 e5 9. dxe6 Bxe6 10. Qd2 Qb6 11. Bxh6 Bxh6 12. Qxh6 Qxb2 13. Rc1 Nc6 14. h4 Ne5 15. Nh3 b5 16. cxb5 d5 17. exd5 Bf5 18. Qd2 Qb4 19. Nf4 Nc4 20. Bxc4 Qxc4 21. f3 Rad8 22. Ne4 Nxe4 23. Rxc4 Nxd2 24. Kxd2 a6 25. a4 axb5 26. axb5 Rb8 27. Rxc5 Rb6 28. Kc3 Rfb8 29. Kc4 Kg7 30. Ra1 Bd7 31. Ra5 Kf6 32. Rc6+ Bxc6 33. dxc6 Kf5 1-0

[Event "Zuerich op-A 15th"]
[Site "Zuerich"]
[Date "1991.??.??"]
[Round "7"]
[White "Liardet, Fabrice"]
[Black "Castagna, Renzo"]
[Result "0-1"]
[ECO "E70"]
[WhiteElo "2205"]
[BlackElo "2270"]
[PlyCount "91"]
[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. Nge2 0-0 6. Ng3 e5 7. d5 c6 8. Be2 cxd5 9. cxd5 Nbd7 10. h4 a5 11. h5 Nc5 12. h6 Bh8 13. Bg5 Qb6 14. Qd2 Qb4 15. f3 Bd7 16. Rb1 a4 17. Nb5 Qxd2+ 18. Kxd2 Bxb5 19. Bxb5 Ra5 20. Be2 Rfa8 21. Rhc1 Kf8 22. Kd1 Ne8 23. Bd2 R5a7 24. Be3 b6 25. Bb5 Bf6 26. Bd2 Bh4 27. Nf1 Bf2 28. Ne3 Ke7 29. Ke2 Bxe3 30. Bxe3 f5 31. exf5 gxf5 32. Bc6 Rb8 33. b4 axb3 34. axb3 Ra2+ 35. Bd2 Nf6 36. b4 Rg8 37. Rg1 Nce4 38. fxe4 Nxe4 39. Rbd1 Rg3 40. Bb5 f4 41. Ke1 f3 42. Rf1 Rxg2 43. Rxf3 Nxd2 44. Rf2 Rxf2 45. Kxf2 Ne4+ 46. Kf3 0-1

[Event "Zuerich op-A 15th"]
[Site "Zuerich"]
[Date "1991.??.??"]
[Round "3"]
[White "Zindel, Ernst"]
[Black "Castagna, Renzo"]
[Result "0-1"]
[ECO "C30"]
[BlackElo "2270"]
[PlyCount "98"]
[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. e4 e5 2. f4 Bc5 3. Nf3 d6 4. Nc3 Nc6 5. Bb5 Nf6 6. d3 a6 7. Bxc6+ bxc6 8. Qe2 Qe7 9. Be3 Bxe3 10. Qxe3 Rb8 11. Rb1 0-0 12. 0-0 exf4 13. Qxf4 c5 14. b3 Be6 15. Rbe1 Rfe8 16. e5 Nd5 17. exd6 Qxd6 18. Qxd6 cxd6 19. Ne4 Rbd8 20. Nfd2 Nb4 21. c3 Nxd3 22. Re3 Ne5 23. h3 h6 24. c4 Nc6 25. Nc3 Nd4 26. Nf3 Nc2 27. Re2 Bf5 28. Kf2 Rxe2+ 29. Kxe2 Kf8 30. Kd2 Nb4 31. a3 Nc6 32. Nd5 Be4 33. Nc7 Rb8 34. Kc3 Bxf3 35. gxf3 Nd4 36. b4 a5 37. b5 a4 38. f4 g6 39. Re1 Rc8 40. Nd5 Rb8 41. Re7 Kg7 42. Ra7 Rxb5 43. Rxa4 Rb3+ 44. Kd2 Rxh3 45. Ra8 h5 46. Nc3 Rh1 47. Nb5 Nxb5 48. cxb5 h4 49. Kc2 h3 0-1

[Event "Biel-C"]
[Site "Biel"]
[Date "1990.??.??"]
[Round "1"]
[White "Castagna, Renzo"]
[Black "Ambroz, Jan"]
[Result "0-1"]
[ECO "E15"]
[WhiteElo "2230"]
[BlackElo "2420"]
[PlyCount "112"]
[EventDate "1990.07.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "SUI"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. b3 Bb4+ 6. Bd2 Be7 7. Bg2 c6 8. Bc3 d5 9. Nbd2 Nbd7 10. 0-0 0-0 11. Re1 c5 12. e4 dxc4 13. Nxc4 cxd4 14. Bxd4 Rc8 15. e5 Nd5 16. Ne3 Nb4 17. Bf1 Bxf1 18. Rxf1 Nb8 19. Qe2 N8c6 20. Rfd1 Qc7 21. Bb2 Na5 22. h4 h6 23. Ba3 Bc5 24. Bxb4 Bxb4 25. Qb5 Bc3 26. Rd7 Qb8 27. Rad1 Qa8 28. Qe2 Rfd8 29. Rxd8+ Rxd8 30. Rxd8+ Qxd8 31. Qc2 Bb4 32. Kf1 Qd7 33. Ke2 Nc6 34. Qd3 Qxd3+ 35. Kxd3 Bc5 36. a4 Kf8 37. Ke2 Ke7 38. Kd3 Kd7 39. Kc4 a6 40. Kd3 Ne7 41. Nd4 Nc6 42. Nf3 b5 43. axb5 axb5 44. g4 Kc7 45. Ke4 Kb6 46. h5 Ka5 47. g5 Kb4 48. Ng4 hxg5 49. Nxg5 Nd8 50. f4 Kxb3 51. h6 gxh6 52. Nxh6 Kc3 53. Nhxf7 Nxf7 54. Nxf7 b4 55. Ng5 b3 56. f5 b2 0-1

[Event "Biel-C"]
[Site "Biel"]
[Date "1990.??.??"]
[Round "3"]
[White "Castagna, Renzo"]
[Black "Arapovic, Vitomir"]
[Result "1/2-1/2"]
[ECO "A41"]
[WhiteElo "2230"]
[BlackElo "2385"]
[PlyCount "30"]
[EventDate "1990.07.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "SUI"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 g6 2. Nf3 Bg7 3. g3 d6 4. Bg2 Nd7 5. 0-0 e5 6. c4 Nh6 7. e4 0-0 8. Nc3 f6 9. Be3 Nf7 10. Qc2 c6 11. Rad1 Re8 12. Rfe1 Qc7 13. b4 Nf8 14. d5 f5 15. c5 fxe4 1/2-1/2

[Event "Zuerich op-A 14th"]
[Site "Zuerich"]
[Date "1990.??.??"]
[Round "?"]
[White "Castagna, Renzo"]
[Black "Chiong Zacarias, Romero Luis"]
[Result "1/2-1/2"]
[ECO "E68"]
[WhiteElo "2265"]
[BlackElo "2380"]
[PlyCount "86"]
[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 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 0-0 5. g3 d6 6. Bg2 Nbd7 7. 0-0 e5 8. e4 exd4 9. Nxd4 Re8 10. Re1 Ng4 11. h3 Nge5 12. Bf1 Nb6 13. b3 a6 14. Bb2 c5 15. Nf3 f5 16. Nxe5 Bxe5 17. Qd2 Qf6 18. exf5 Bxf5 19. Nd5 Nxd5 20. Qxd5+ Qf7 21. Qxf7+ Kxf7 22. Bxe5 Rxe5 23. Bg2 Rxe1+ 24. Rxe1 Rb8 25. Bd5+ Kf6 26. Kg2 g5 27. f4 gxf4 28. g4 Bd7 29. Kf3 b5 30. Kxf4 h6 31. h4 Re8 32. g5+ hxg5+ 33. hxg5+ Kg7 34. Rxe8 Bxe8 35. Kf5 Bd7+ 36. Be6 Be8 37. Bc8 bxc4 38. bxc4 a5 39. Be6 Bg6+ 40. Kf4 Bd3 41. Ke3 Bb1 42. a3 Kg6 43. Kf4 Bd3 1/2-1/2

[Event "Zuerich op-A 14th"]
[Site "Zuerich"]
[Date "1990.??.??"]
[Round "?"]
[White "Castagna, Renzo"]
[Black "Habibi, Ali"]
[Result "1-0"]
[ECO "E62"]
[WhiteElo "2265"]
[BlackElo "2255"]
[PlyCount "47"]
[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 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 0-0 5. Bg2 d6 6. 0-0 c6 7. Nc3 Qa5 8. h3 a6 9. Bd2 Qc7 10. e4 Nbd7 11. Rc1 e5 12. Be3 Re8 13. Qc2 Nf8 14. Rfd1 Ne6 15. d5 Nd8 16. b4 a5 17. a3 Bf8 18. c5 axb4 19. axb4 Nd7 20. cxd6 Qxd6 21. dxc6 Qxc6 22. Qb2 Ne6 23. Nd5 Qd6 24. Nb6 1-0

[Event "Biel-C"]
[Site "Biel"]
[Date "1990.??.??"]
[Round "9"]
[White "Castagna, Renzo"]
[Black "Illijin, Neboisa"]
[Result "1/2-1/2"]
[ECO "E15"]
[WhiteElo "2230"]
[BlackElo "2290"]
[PlyCount "24"]
[EventDate "1990.07.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "SUI"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. b3 Bb4+ 6. Bd2 Be7 7. Bg2 c6 8. Bc3 d5 9. Ne5 Nfd7 10. Nxd7 Nxd7 11. 0-0 0-0 12. Nd2 Rc8 1/2-1/2

[Event "Biel-C"]
[Site "Biel"]
[Date "1990.??.??"]
[Round "5"]
[White "Castagna, Renzo"]
[Black "Modr, Bretislav"]
[Result "1/2-1/2"]
[ECO "E07"]
[WhiteElo "2230"]
[BlackElo "2315"]
[PlyCount "22"]
[EventDate "1990.07.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "SUI"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 0-0 6. 0-0 Nbd7 7. Nc3 c6 8. Qc2 dxc4 9. a4 a5 10. e4 Nb6 11. Rd1 h6 1/2-1/2

[Event "Biel-C"]
[Site "Biel"]
[Date "1990.??.??"]
[Round "7"]
[White "Castagna, Renzo"]
[Black "Salamon, Werner"]
[Result "0-1"]
[ECO "A76"]
[WhiteElo "2230"]
[BlackElo "2320"]
[PlyCount "78"]
[EventDate "1990.07.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "SUI"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. e4 Bg7 8. Be2 0-0 9. 0-0 Re8 10. Qc2 Na6 11. Re1 Nb4 12. Qb1 Bg4 13. Bg5 Rb8 14. a3 Na6 15. h3 Bxf3 16. Bxf3 b5 17. Qc2 c4 18. Rad1 Nc5 19. g3 h6 20. Be3 Nfd7 21. Be2 Qc7 22. Kg2 Ne5 23. Bxc5 Qxc5 24. f4 Nd7 25. Bg4 Rb7 26. e5 dxe5 27. Ne4 Qb6 28. Bxd7 Rxd7 29. g4 Red8 30. f5 Rxd5 31. fxg6 Qxg6 32. Rxd5 Rxd5 33. Qf2 Rd4 34. Ng3 Qg5 35. Re2 Qf4 36. Qe1 Rd3 37. Qf2 Rb3 38. Qxf4 exf4 39. Nf5 f3+ 0-1

[Event "Biel MTO op"]
[Site "Biel"]
[Date "1990.??.??"]
[Round "3"]
[White "Castagna, Renzo"]
[Black "Sinkovics, Peter"]
[Result "1-0"]
[ECO "E66"]
[WhiteElo "2230"]
[BlackElo "2390"]
[PlyCount "95"]
[EventDate "1990.07.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "SUI"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 0-0 5. Bg2 d6 6. 0-0 Nc6 7. Nc3 a6 8. d5 Na5 9. Nd2 c5 10. Qc2 Rb8 11. b3 b5 12. Bb2 e5 13. dxe6 Bxe6 14. cxb5 axb5 15. Rad1 Qe7 16. Nce4 Bf5 17. Bxf6 Bxf6 18. Nxf6+ Qxf6 19. e4 Bg4 20. f3 Be6 21. f4 Qd4+ 22. Kh1 Qb4 23. f5 Bc8 24. e5 dxe5 25. Ne4 Rb6 26. fxg6 hxg6 27. Nf6+ Rxf6 28. Rxf6 Kg7 29. Rfd6 Bg4 30. Rf1 c4 31. Ra6 Be6 32. Qe4 Qc3 33. b4 Qxb4 34. Qxe5+ Kg8 35. Bd5 Bxd5+ 36. Qxd5 Kg7 37. Raf6 Qe7 38. Qd4 Kg8 39. h4 Rd8 40. Qf2 Rd7 41. h5 Qe4+ 42. Kg1 Qd4 43. Qxd4 Rxd4 44. hxg6 fxg6 45. Rxg6+ Kh7 46. Ra6 c3 47. Rxa5 b4 48. Rc5 1-0

[Event "Biel-C"]
[Site "Biel"]
[Date "1990.??.??"]
[Round "4"]
[White "Danner, Georg"]
[Black "Castagna, Renzo"]
[Result "1-0"]
[ECO "E92"]
[WhiteElo "2330"]
[BlackElo "2230"]
[PlyCount "99"]
[EventDate "1990.07.??"]
[EventType "swiss"]
[EventRounds "11"]
[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 e5 7. d5 a5 8. Bg5 h6 9. Bh4 Na6 10. Nd2 Qe8 11. a3 Bd7 12. b3 Nh7 13. Rb1 h5 14. f3 Bh6 15. Bf2 Qe7 16. b4 axb4 17. axb4 f5 18. c5 Nf6 19. 0-0 Kh8 20. cxd6 cxd6 21. b5 Nc5 22. Bxc5 dxc5 23. Nc4 fxe4 24. fxe4 Ng4 25. Qd3 Rxf1+ 26. Rxf1 Nxh2 27. Kxh2 Qh4+ 28. Kg1 Bf4 29. Rxf4 exf4 30. Ne5 Qe1+ 31. Bf1 Ra3 32. Nxd7 Rxc3 33. Qe2 Qxe2 34. Bxe2 Re3 35. Kf2 Rxe4 36. Nxc5 Rd4 37. Nxb7 Rxd5 38. b6 Rd2 39. Nc5 Rb2 40. b7 g5 41. Kf3 Rb4 42. Ba6 g4+ 43. Ke2 Rb2+ 44. Ke1 f3 45. gxf3 g3 46. Bf1 Kg7 47. f4 Kg6 48. Bd3+ Kf7 49. Be4 Rb4 50. Kf1 1-0

[Event "Biel-C"]
[Site "Biel"]
[Date "1990.??.??"]
[Round "6"]
[White "Peisser, Manfred"]
[Black "Castagna, Renzo"]
[Result "1/2-1/2"]
[ECO "A48"]
[WhiteElo "2250"]
[BlackElo "2230"]
[PlyCount "13"]
[EventDate "1990.07.??"]
[EventType "swiss"]
[EventRounds "11"]
[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. Bg5 Bg7 4. Nbd2 0-0 5. e4 d6 6. c3 c5 7. dxc5 1/2-1/2

[Event "Zuerich op-A 14th"]
[Site "Zuerich"]
[Date "1990.??.??"]
[Round "?"]
[White "Polajzer, Danilo"]
[Black "Castagna, Renzo"]
[Result "1-0"]
[ECO "E90"]
[WhiteElo "2325"]
[BlackElo "2265"]
[PlyCount "73"]
[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. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. d4 0-0 6. h3 c5 7. d5 e6 8. Bd3 exd5 9. exd5 a6 10. a4 Re8+ 11. Be3 Nfd7 12. 0-0 Ne5 13. Nxe5 Bxe5 14. Qd2 Nd7 15. Kh1 f5 16. Rfe1 Bf6 17. a5 Ne5 18. Bf1 Bd7 19. f4 Nf7 20. Na4 Bxa4 21. Rxa4 Qd7 22. Ra3 Re7 23. Rb1 Rae8 24. b4 cxb4 25. Rxb4 h6 26. Rb6 g5 27. g3 Kg7 28. Bg2 Rc8 29. c5 dxc5 30. d6 Re6 31. Rxb7 Qxd6 32. Rd3 Qf8 33. Rdd7 Re7 34. fxg5 hxg5 35. Rxe7 Bxe7 36. Bxg5 Rd8 37. Qc3+ 1-0

[Event "Biel-C"]
[Site "Biel"]
[Date "1990.??.??"]
[Round "8"]
[White "Streitberg, Petr"]
[Black "Castagna, Renzo"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "2285"]
[BlackElo "2230"]
[PlyCount "122"]
[EventDate "1990.07.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "SUI"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. g3 g6 3. Bg2 Bg7 4. e4 d6 5. Nc3 0-0 6. Nge2 c6 7. a4 e5 8. 0-0 Na6 9. h3 Re8 10. Be3 Qa5 11. Qd2 exd4 12. Nxd4 Nc5 13. Rfe1 Nfd7 14. Rad1 Ne5 15. b3 Ne6 16. Nde2 Nd7 17. f4 Nec5 18. Bd4 Bf8 19. g4 f6 20. Ng3 Ne6 21. Be3 Ng7 22. Bd4 Ne6 23. Be3 Ng7 24. Nb1 Qc7 25. c4 a5 26. Nc3 Nc5 27. Rb1 Be6 28. Red1 Rad8 29. Qf2 Bf7 30. Rd2 Nd7 31. Rbd1 Ne6 32. Rb1 Nec5 33. Kh1 Bg7 34. Nce2 Nb8 35. Nd4 Nba6 36. h4 Qe7 37. f5 Nb4 38. Rbd1 Nd7 39. fxg6 hxg6 40. h5 Bf8 41. Bf3 Ne5 42. hxg6 Bxg6 43. Ndf5 Qe6 44. Kg2 Rd7 45. Bf4 Na6 46. Re2 Nc5 47. Re3 Qf7 48. Bh6 Ne6 49. Rh1 Be7 50. Bg7 Bxf5 51. Nxf5 Qg6 52. Rh6 Qg5 53. Rh8+ Kf7 54. Bh6 Rxh8 55. Bxg5 fxg5 56. Kg1 Nf4 57. Qd2 Bf6 58. Nxd6+ Ke6 59. c5 Nxf3+ 60. Rxf3 Bd4+ 61. Re3 Rdh7 0-1

[Event "Biel-C"]
[Site "Biel"]
[Date "1990.??.??"]
[Round "2"]
[White "Videki, Sandor"]
[Black "Castagna, Renzo"]
[Result "1-0"]
[ECO "A68"]
[WhiteElo "2385"]
[BlackElo "2230"]
[PlyCount "53"]
[EventDate "1990.07.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "SUI"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. f4 c5 6. d5 0-0 7. Nf3 e6 8. Be2 exd5 9. cxd5 b5 10. e5 dxe5 11. fxe5 Ng4 12. Bg5 Qb6 13. 0-0 Bf5 14. d6 c4+ 15. Kh1 Bd3 16. Bxd3 cxd3 17. Qe1 Nd7 18. Nd5 Qc5 19. Ne7+ Kh8 20. Rc1 Qb6 21. Rc6 Qb8 22. Qh4 Ngxe5 23. Nxe5 Nxe5 24. Bf6 Nd7 25. Bxg7+ Kxg7 26. Rc7 f6 27. Rxd7 1-0

[Event "Biel-C"]
[Site "Biel"]
[Date "1990.??.??"]
[Round "10"]
[White "Vujovic, Milorad"]
[Black "Castagna, Renzo"]
[Result "1/2-1/2"]
[ECO "C92"]
[WhiteElo "2320"]
[BlackElo "2230"]
[PlyCount "66"]
[EventDate "1990.07.??"]
[EventType "swiss"]
[EventRounds "11"]
[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. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 0-0 9. h3 Re8 10. a4 Bb7 11. Na3 h6 12. d3 d5 13. exd5 Nxd5 14. Nxe5 Nxe5 15. Rxe5 Bd6 16. Rxe8+ Qxe8 17. d4 c5 18. c4 Nb4 19. Be3 cxd4 20. Bxd4 Qe4 21. Qg4 Qxg4 22. hxg4 bxa4 23. Bxa4 Rc8 24. Rd1 Bf8 25. Bb6 Be4 26. Bd7 Rb8 27. c5 Nd5 28. Nc4 Nxb6 29. cxb6 Bc2 30. Rc1 Bb3 31. Na5 Rxb6 32. Rc8 Bd5 33. Nc6 Bxc6 1/2-1/2

[Event "Zuerich op-A 13th"]
[Site "Zuerich"]
[Date "1989.??.??"]
[Round "?"]
[White "Castagna, Renzo"]
[Black "Oesch, Harry"]
[Result "1-0"]
[ECO "E02"]
[WhiteElo "2265"]
[PlyCount "61"]
[EventDate "1989.12.26"]
[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 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 Nbd7 6. 0-0 dxc4 7. Qc2 0-0 8. Qxc4 Nb6 9. Qc2 Nbd5 10. a3 Bd7 11. e4 Nb6 12. Nc3 c6 13. Ne5 Be8 14. Rd1 Nfd7 15. Nxd7 Bxd7 16. Bf4 f6 17. Rac1 Qe8 18. Qb3 Kh8 19. a4 Qh5 20. Bc7 Qa5 21. d5 e5 22. Bf1 h6 23. dxc6 Bxc6 24. Qe6 Bb4 25. Nd5 Rae8 26. Qf5 Qxa4 27. b3 Qxb3 28. Rb1 Bd7 29. Qg6 Qc2 30. Bxb6 Bd2 31. Be3 1-0

[Event "Zuerich op-A 13th"]
[Site "Zuerich"]
[Date "1989.??.??"]
[Round "?"]
[White "Fioramonti, Hung"]
[Black "Castagna, Renzo"]
[Result "1-0"]
[ECO "E61"]
[WhiteElo "2305"]
[BlackElo "2265"]
[PlyCount "84"]
[EventDate "1989.12.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. d4 d6 5. Bg5 0-0 6. e3 Nbd7 7. Be2 c6 8. Qc2 e5 9. Rd1 Qc7 10. 0-0 Re8 11. dxe5 dxe5 12. b4 a5 13. a3 b6 14. Nd2 Bb7 15. Nde4 h6 16. Bxf6 Nxf6 17. Nd6 Re6 18. c5 Ba6 19. cxb6 Qxb6 20. Na4 Qb8 21. Bxa6 Rxd6 22. Rxd6 Qxd6 23. Rd1 Qe7 24. Qxc6 Rb8 25. Qc5 Bf8 26. Qxa5 Qe6 27. Be2 Rc8 28. Qa6 Rc6 29. Qd3 Qa2 30. Kf1 Rd6 31. Qc3 Ne4 32. Qb2 Rxd1+ 33. Bxd1 Qd5 34. Be2 Nd6 35. Nc3 Qb7 36. Qb3 Qc7 37. Kg1 Nf5 38. Qc4 Qa7 39. a4 Qb6 40. Nd5 Qb7 41. Qe4 Qc6 42. Qxe5 Bd6 1-0

[Event "Zuerich op-A 13th"]
[Site "Zuerich"]
[Date "1989.??.??"]
[Round "?"]
[White "Haas, Carmi"]
[Black "Castagna, Renzo"]
[Result "1-0"]
[ECO "C55"]
[WhiteElo "2230"]
[BlackElo "2265"]
[PlyCount "55"]
[EventDate "1989.12.26"]
[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 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. Nc3 0-0 6. a3 d6 7. h3 a6 8. Ne2 d5 9. exd5 Nxd5 10. b4 Be6 11. Bb2 Bd6 12. Ba2 Re8 13. c4 Nf4 14. Nxf4 exf4 15. 0-0 Bf5 16. Qd2 Bg6 17. c5 Bf8 18. Qxf4 Re2 19. Be5 Rc8 20. Bc4 Be7 21. Rfe1 Rxe1+ 22. Rxe1 Nxe5 23. Nxe5 Bf6 24. Nxg6 hxg6 25. Qe4 c6 26. Qxg6 Qd7 27. Re4 Re8 28. Bxf7+ 1-0

[Event "Zuerich op 12th"]
[Site "Zuerich"]
[Date "1988.??.??"]
[Round "2"]
[White "Klauser, Markus"]
[Black "Castagna, Renzo"]
[Result "1-0"]
[ECO "A24"]
[WhiteElo "2305"]
[BlackElo "2110"]
[PlyCount "69"]
[EventDate "1988.12.26"]
[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. Nc3 0-0 5. e4 d6 6. Nge2 e5 7. 0-0 c6 8. h3 Be6 9. d3 a5 10. f4 Qd7 11. Na4 Ra6 12. fxe5 dxe5 13. Nc5 Qc8 14. Nxa6 Nxa6 15. Kh2 Nc5 16. Bg5 Nfd7 17. Qd2 f6 18. Be3 Qc7 19. Rad1 a4 20. Qc2 f5 21. Kh1 Re8 22. Nc3 Qa5 23. exf5 gxf5 24. d4 exd4 25. Bxd4 Bxd4 26. Rxd4 a3 27. b3 Qc7 28. Qf2 Ne5 29. Rfd1 Ng6 30. Rd6 Nd7 31. Qd4 Ndf8 32. Ne2 Bf7 33. Nf4 c5 34. Qd2 Ne5 35. Rd8 1-0

[Event "Zuerich op 12th"]
[Site "Zuerich"]
[Date "1988.??.??"]
[Round "7"]
[White "Mainka, Gregor"]
[Black "Castagna, Renzo"]
[Result "1/2-1/2"]
[ECO "C92"]
[WhiteElo "2285"]
[BlackElo "2110"]
[PlyCount "46"]
[EventDate "1988.12.26"]
[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 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 0-0 8. c3 d6 9. h3 Bb7 10. d4 Re8 11. a4 h6 12. d5 Na5 13. Bc2 c6 14. dxc6 Bxc6 15. Nbd2 Bf8 16. Nf1 Qb6 17. Ng3 g6 18. Be3 Qb7 19. b3 bxa4 20. bxa4 Nc4 21. Rb1 Nxe3 22. Rxe3 Qc7 23. Bb3 Rab8 1/2-1/2

[Event "Mendrisio op"]
[Site "Mendrisio"]
[Date "1985.??.??"]
[Round "?"]
[White "Castagna, Renzo"]
[Black "Hresc, Vladimir"]
[Result "0-1"]
[ECO "E10"]
[BlackElo "2375"]
[PlyCount "86"]
[EventDate "1985.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 c5 3. d5 e6 4. c4 b5 5. Bg5 exd5 6. cxd5 d6 7. e4 a6 8. Nfd2 Be7 9. Be2 Nxe4 10. Bxe7 Qxe7 11. 0-0 0-0 12. Nxe4 Qxe4 13. Nc3 Qg6 14. Bh5 Qh6 15. Re1 Nd7 16. Bg4 Ne5 17. Bxc8 Raxc8 18. Re3 f5 19. Rh3 Qg6 20. Rg3 Qf6 21. Qc2 b4 22. Ne2 f4 23. Rh3 g6 24. Rc1 f3 25. Ng3 fxg2 26. Ne4 Qf4 27. Kxg2 Nf3 28. Rd1 Nd4 29. Qd3 Rce8 30. Re1 Re5 31. f3 Kg7 32. Rf1 Rxd5 33. Qxa6 Rf7 34. Qc4 Re5 35. Ng3 Re3 36. Qd5 Nxf3 37. Nh5+ gxh5 38. Rg3+ Kh8 39. Rfxf3 Rxf3 40. Rxf3 Qxf3+ 41. Qxf3 Rxf3 42. Kxf3 Kg7 43. Ke4 Kf6 0-1

[Event "Match/Nation Baden-SUI"]
[Site "Koenigsfeld"]
[Date "1985.??.??"]
[Round "?"]
[White "Castagna, Renzo"]
[Black "Mandl, Rudolf"]
[Result "0-1"]
[ECO "D02"]
[PlyCount "100"]
[EventDate "1985.??.??"]
[EventType "team-match"]
[EventRounds "2"]
[EventCountry "GER"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]
[WhiteTeam "Switzerland"]
[BlackTeam "Baden"]
[WhiteTeamCountry "SUI"]
[BlackTeamCountry "GER"]

1. d4 d5 2. Nf3 c5 3. g3 cxd4 4. Nxd4 e5 5. Nb3 h6 6. Bg2 Nf6 7. 0-0 Nc6 8. c4 dxc4 9. N3d2 Be6 10. Qa4 Rc8 11. Nc3 Bc5 12. Nde4 Nxe4 13. Nxe4 Be7 14. Rd1 Qc7 15. Be3 0-0 16. Nc3 a6 17. Rac1 Nb4 18. Rd2 Rfd8 19. a3 Rxd2 20. Bxd2 b5 21. Qd1 Nc6 22. Nd5 Bxd5 23. Bxd5 Bc5 24. Be4 Rd8 25. Qe1 Qd6 26. Bc3 Nd4 27. e3 Nb3 28. Rb1 Bb6 29. Bc2 Nc5 30. Bb4 a5 31. Rd1 Qc7 32. Rxd8+ Qxd8 33. Bxc5 Bxc5 34. Qc3 Qc7 35. Bb1 Bd6 36. Ba2 Kf8 37. Qc2 g6 38. Qe4 a4 39. h4 h5 40. Qd5 Qc5 41. Qb7 Be7 42. Kg2 Kg7 43. Kg1 Kh6 44. Kg2 f5 45. Qd7 e4 46. Qe6 Qd6 47. Qg8 Bf6 48. Qe8 Qd5 49. g4 hxg4 50. h5 gxh5 0-1

[Event "Mendrisio op"]
[Site "Mendrisio"]
[Date "1985.??.??"]
[Round "?"]
[White "Friedli, K."]
[Black "Castagna, Renzo"]
[Result "0-1"]
[ECO "C55"]
[PlyCount "54"]
[EventDate "1985.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[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 Nf6 4. d3 Be7 5. Nc3 0-0 6. a3 d6 7. 0-0 Bg4 8. Be3 Qd7 9. h3 Bh5 10. Nd5 Bxf3 11. Qxf3 Nd4 12. Nxe7+ Qxe7 13. Bxd4 exd4 14. Rfe1 Nd7 15. Rac1 Ne5 16. Qd1 Qh4 17. Ba2 Kh8 18. c3 c5 19. cxd4 cxd4 20. Rc7 f5 21. Qc2 h6 22. Bd5 f4 23. Kh2 f3 24. Rxb7 Ng4+ 25. Kg1 fxg2 26. Kxg2 Rxf2+ 27. Qxf2 Qxf2+ 0-1

[Event "Match/Nation Baden-SUI"]
[Site "Koenigsfeld"]
[Date "1985.??.??"]
[Round "?"]
[White "Mandl, Rudolf"]
[Black "Castagna, Renzo"]
[Result "0-1"]
[ECO "C68"]
[PlyCount "136"]
[EventDate "1985.??.??"]
[EventType "team-match"]
[EventRounds "2"]
[EventCountry "GER"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]
[WhiteTeam "Baden"]
[BlackTeam "Switzerland"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "SUI"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. Nc3 Bc5 6. d3 Qe7 7. Be3 Nf6 8. Qd2 Bg4 9. Bxc5 Qxc5 10. d4 exd4 11. Qxd4 Qxd4 12. Nxd4 0-0-0 13. Nb3 b6 14. f3 Be6 15. Rd1 c5 16. Kf2 Nd7 17. Nc1 Ne5 18. Nb1 Nc6 19. c3 Rhe8 20. Na3 Ne5 21. Rhe1 Kb7 22. Nc2 Nc4 23. Nd3 Nd6 24. Nc1 Nc4 25. Nd3 Rxd3 26. Rxd3 Nxb2 27. Rd2 Na4 28. Re3 Bxa2 29. f4 b5 30. e5 Nb6 31. Rh3 h6 32. Rg3 g6 33. Nd4 Bc4 34. Nc2 Be6 35. Ke1 Nc4 36. Rd1 a5 37. Ne3 Nxe3 38. Rxe3 a4 39. Kd2 Kc6 40. Rc1 Bf5 41. h3 h5 42. c4 b4 43. Ra1 a3 44. Rg1 Rd8+ 45. Ke2 Rd4 46. g4 hxg4 47. hxg4 Be6 48. Kf3 Bxc4 49. f5 Bd5+ 50. Ke2 gxf5 51. gxf5 Rf4 52. e6 fxe6 53. fxe6 Bc4+ 54. Kd2 Rf2+ 55. Ke1 Rf8 56. Kd2 a2 57. Ree1 Re8 58. e7 Kd7 59. Rg7 Be6 60. Rg5 Kd6 61. Kc2 Rxe7 62. Kb2 c6 63. Rge5 c4 64. Kxa2 c3+ 65. Ka1 b3 66. Kb1 Bf5+ 67. Ka1 Ra7+ 68. Ra5 Rxa5# 0-1

[Event "Zuerich op-A 07th"]
[Site "Zuerich"]
[Date "1983.??.??"]
[Round "3"]
[White "Castagna, Renzo"]
[Black "Ekstroem, Roland"]
[Result "1-0"]
[ECO "E66"]
[BlackElo "2400"]
[PlyCount "93"]
[EventDate "1983.12.26"]
[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 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 0-0 5. Nf3 d6 6. Nc3 Nc6 7. d5 Na5 8. b3 c5 9. Bb2 a6 10. 0-0 Rb8 11. Nd2 b5 12. Qc2 bxc4 13. bxc4 Bd7 14. Nd1 Rb4 15. Bc3 Ba4 16. Qc1 Bxd1 17. Rxd1 Nd7 18. Bxb4 cxb4 19. Rb1 Qb6 20. Qc2 Nc5 21. e3 Rb8 22. h4 h5 23. Nf3 Bf6 24. Bh3 Kg7 25. Nd4 Qc7 26. f4 Nd7 27. Bxd7 Qxd7 28. f5 g5 29. hxg5 Bxg5 30. Qe2 Qa4 31. Nb3 Nb7 32. Kf2 Rh8 33. Rh1 a5 34. Rh2 Qd7 35. e4 Nc5 36. Rbh1 h4 37. Qg4 Kf6 38. gxh4 Nd3+ 39. Kf1 Bh6 40. Qe2 Ne5 41. Nxa5 Qc7 42. Nc6 Qb6 43. Rg2 b3 44. Nxe5 Kxe5 45. Qb2+ Kxe4 46. Re2+ Be3 47. Rh3 1-0

[Event "Zuerich op-A 07th"]
[Site "Zuerich"]
[Date "1983.??.??"]
[Round "4"]
[White "Castagna, Renzo"]
[Black "Ludin, Hubert"]
[Result "1/2-1/2"]
[ECO "D63"]
[PlyCount "80"]
[EventDate "1983.12.26"]
[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. c4 e6 3. Nf3 Nf6 4. Nc3 Be7 5. Bg5 Nbd7 6. e3 h6 7. Bh4 0-0 8. Rc1 a6 9. cxd5 exd5 10. Bd3 c6 11. 0-0 Ne4 12. Bxe7 Qxe7 13. Qe2 Ndf6 14. Ne5 Bf5 15. a3 Nd6 16. Bxf5 Nxf5 17. Na4 Nd6 18. Rfe1 Rfe8 19. Qd1 Nfe4 20. f3 Ng5 21. Nb6 Rad8 22. Qd3 f5 23. Qb3 Ngf7 24. Nd3 Qg5 25. Nc5 Re7 26. Rc2 Rde8 27. Rce2 Qh4 28. Qd3 Qg5 29. a4 Qg6 30. b3 Ng5 31. Kf2 Rf7 32. Rf1 Qh5 33. Kg1 Rfe7 34. Rfe1 Qg6 35. Kf2 h5 36. Nbd7 Ngf7 37. Rg1 Qg5 38. g3 h4 39. f4 Qh5 40. Ne5 Ne4+ 1/2-1/2

[Event "Zuerich op-A 07th"]
[Site "Zuerich"]
[Date "1983.??.??"]
[Round "7"]
[White "Castagna, Renzo"]
[Black "Wuest, Andrin"]
[Result "0-1"]
[ECO "A52"]
[PlyCount "96"]
[EventDate "1983.12.26"]
[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 Nf6 2. c4 e5 3. dxe5 Ng4 4. Nf3 Bc5 5. e3 Nc6 6. Be2 0-0 7. 0-0 Ncxe5 8. Nxe5 Nxe5 9. Nd2 d6 10. Nf3 Qf6 11. Nxe5 dxe5 12. Bf3 Rd8 13. Qe2 Bf5 14. e4 Be6 15. b3 Bd4 16. Bb2 c5 17. Rad1 Qe7 18. Bc1 a6 19. Bg4 b5 20. Bxe6 Qxe6 21. h3 Rab8 22. Ba3 Rd6 23. cxb5 axb5 24. Rc1 Rc6 25. Rc2 Ra8 26. Bc1 c4 27. bxc4 Rxc4 28. Rxc4 bxc4 29. Be3 c3 30. Qd3 Qa6 31. Qd1 Bxe3 32. fxe3 Qxa2 33. Qd6 c2 34. Qc6 h6 35. Re1 Qa3 36. Qxc2 Qxe3+ 37. Kh1 Rd8 38. Qc7 Qd4 39. Rf1 f6 40. Rb1 Qd7 41. Qc4+ Qf7 42. Qc6 Kh7 43. Qc2 Qg6 44. Re1 Rd4 45. Re2 Qg5 46. Kg1 Qf4 47. Qb1 Rc4 48. Re1 Qd2 0-1

[Event "Zuerich op-A 07th"]
[Site "Zuerich"]
[Date "1983.??.??"]
[Round "5"]
[White "Schienmann, Bruno"]
[Black "Castagna, Renzo"]
[Result "1-0"]
[ECO "E84"]
[PlyCount "55"]
[EventDate "1983.12.26"]
[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 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 Nc6 6. Be3 0-0 7. Nge2 a6 8. Qd2 Rb8 9. Nc1 e5 10. d5 Nd4 11. N1e2 c5 12. dxc6 bxc6 13. Nxd4 exd4 14. Bxd4 Re8 15. 0-0-0 Qa5 16. g4 c5 17. Bxf6 Bxf6 18. Kc2 Be6 19. Rb1 Bd4 20. Bd3 Rb4 21. b3 Reb8 22. h4 Qd8 23. g5 R4b7 24. h5 Bxc3 25. Qxc3 a5 26. hxg6 fxg6 27. f4 Bf7 28. Rxh7 1-0

[Event "Mitropa Cup-03"]
[Site "Ciocco"]
[Date "1978.??.??"]
[Round "5"]
[White "Castagna, Renzo"]
[Black "Hoffmann, F."]
[Result "1-0"]
[ECO "A64"]
[PlyCount "91"]
[EventDate "1978.10.09"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "ITA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. g3 c5 3. d5 e6 4. c4 exd5 5. cxd5 d6 6. Nc3 g6 7. Bg2 Bg7 8. Nf3 0-0 9. 0-0 Re8 10. Nd2 a6 11. a4 Nbd7 12. Nc4 Nb6 13. Na3 Nbd7 14. Bf4 Ne5 15. Bxe5 Rxe5 16. Nc4 Re8 17. a5 Qc7 18. Nb6 Rb8 19. Rc1 Bh6 20. e3 Bd7 21. b4 c4 22. Qd4 Bg7 23. Qxc4 Qd8 24. Rfe1 Ng4 25. h3 Ne5 26. Qe2 f5 27. b5 Bxb5 28. Nxb5 axb5 29. Qxb5 Re7 30. e4 fxe4 31. Rxe4 Rc7 32. Rxc7 Qxc7 33. f4 Nf7 34. Re8+ Bf8 35. Kh2 Rxe8 36. Qxe8 Qd8 37. Qe6 Bg7 38. h4 Bc3 39. h5 gxh5 40. Be4 h4 41. g4 Qf6 42. Qxf6 Bxf6 43. Kh3 Bc3 44. Nc4 Be1 45. Bf5 Bg3 46. Bc8 1-0

[Event "Mitropa Cup-03"]
[Site "Ciocco"]
[Date "1978.??.??"]
[Round "7"]
[White "Castagna, Renzo"]
[Black "Seuss, Oswald"]
[Result "0-1"]
[ECO "E69"]
[PlyCount "80"]
[EventDate "1978.10.09"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "ITA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. g3 g6 3. Bg2 Bg7 4. c4 0-0 5. Nc3 d6 6. Nf3 Nbd7 7. 0-0 e5 8. e4 Re8 9. h3 c6 10. Be3 Qa5 11. Qc2 b5 12. b4 Qxb4 13. Rab1 Qxc4 14. Nd2 Qe6 15. d5 cxd5 16. Nxb5 Ba6 17. Nc7 Rac8 18. Rfc1 d4 19. Bg5 Qe7 20. Qd1 Nc5 21. Nxe8 Qxe8 22. Bxf6 Bxf6 23. Bf1 d3 24. h4 Bg7 25. Rc3 Qe6 26. Nb3 Nxe4 27. Rxc8+ Qxc8 28. Bxd3 Nc3 29. Bxa6 Qxa6 30. Qf1 Qxa2 31. Rc1 Qxb3 32. Qd3 e4 33. Qe3 d5 34. Kh2 d4 35. Qf4 h6 36. Ra1 Qb7 37. Qd6 d3 38. h5 Qb6 39. Qe7 Qxf2+ 40. Kh3 Ne2 0-1

[Event "Mitropa Cup-03"]
[Site "Ciocco"]
[Date "1978.??.??"]
[Round "6"]
[White "Hartmann, Wolfram"]
[Black "Castagna, Renzo"]
[Result "1-0"]
[ECO "B42"]
[WhiteElo "2240"]
[PlyCount "57"]
[EventDate "1978.10.09"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "ITA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Nf6 6. Qe2 d6 7. 0-0 Be7 8. Kh1 Nbd7 9. c3 Ne5 10. Bc2 Qc7 11. f4 Ng6 12. a4 b6 13. Nd2 0-0 14. Rf2 e5 15. fxe5 dxe5 16. Nf5 Nf4 17. Qf3 Be6 18. Nb3 Bxb3 19. Bxb3 Ne6 20. g4 Nc5 21. Bc2 Rac8 22. Be3 Bd8 23. g5 Ne8 24. Rd1 f6 25. b4 Nb7 26. Bb3+ Kh8 27. Be6 Qxc3 28. g6 hxg6 29. Qh3# 1-0

[Event "Match/Nation SUI-Bayern"]
[Site "Luzern"]
[Date "1970.05.31"]
[Round "2.10"]
[White "Class, Wolfgang"]
[Black "Castagna, Renzo"]
[Result "1-0"]
[ECO "C68"]
[PlyCount "51"]
[EventDate "1970.05.30"]
[EventType "team"]
[EventRounds "2"]
[EventCountry "SUI"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. 0-0 Bg4 6. h3 h5 7. Re1 Qf6 8. hxg4 hxg4 9. Nxe5 Qxe5 10. Qxg4 Bd6 11. g3 Nf6 12. Qf3 0-0-0 13. d3 Rh5 14. Nd2 Rdh8 15. Nc4 Qe6 16. Kf1 Ng4 17. Ke2 Bc5 18. Be3 Bxe3 19. Nxe3 Ne5 20. Qf4 g6 21. d4 Nc4 22. d5 cxd5 23. exd5 Rxd5 24. Qxc4 Re8 25. Rad1 Rd2+ 26. Kxd2 1-0

[Event "Match/Nation SUI-Bayern"]
[Site "Luzern"]
[Date "1970.05.30"]
[Round "1.10"]
[White "Castagna, Renzo"]
[Black "Class, Wolfgang"]
[Result "1/2-1/2"]
[ECO "D11"]
[PlyCount "37"]
[EventDate "1970.05.30"]
[EventType "team"]
[EventRounds "2"]
[EventCountry "SUI"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. g3 Bf5 4. Bg2 e6 5. 0-0 Nbd7 6. c4 c6 7. b3 Be7 8. Bb2 Ne4 9. Nbd2 0-0 10. Rc1 Qa5 11. a3 Qb6 12. h3 Ndf6 13. e3 h6 14. Re1 Rfc8 15. Nf1 Qd8 16. Ne5 Nd7 17. Nxd7 Qxd7 18. Nd2 Nxd2 19. Qxd2 1/2-1/2

[Event "Imperia op 10th"]
[Site "Imperia"]
[Date "1968.??.??"]
[Round "?"]
[White "Seelen"]
[Black "Castagna, Renzo"]
[Result "0-1"]
[ECO "C97"]
[PlyCount "70"]
[EventDate "1968.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 0-0 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 Bd7 13. Nf1 Rac8 14. Ne3 g6 15. b3 Rfe8 16. Bb2 Bf8 17. dxe5 dxe5 18. c4 Nc6 19. Nd5 Nxd5 20. exd5 Nd4 21. Nxd4 exd4 22. Qf3 Qa5 23. Red1 bxc4 24. bxc4 Bg7 25. Bb3 Re5 26. Kh2 Rce8 27. Bc1 Re2 28. Bg5 Qb6 29. Rab1 Bf5 30. Ba4 Bxb1 31. Bc6 Qb8+ 32. Bf4 Be5 33. Bxe8 Bxf4+ 34. g3 Bxg3+ 35. Kg1 Bh2+ 0-1

[Event "EU-chT 04th Group1"]
[Site "Barcelona"]
[Date "1967.09.15"]
[Round "1"]
[White "Garcia Orus, Francisco"]
[Black "Castagna, Renzo"]
[Result "1-0"]
[ECO "E67"]
[PlyCount "103"]
[EventDate "1967.09.15"]
[EventType "team-tourn"]
[EventRounds "3"]
[EventCountry "ESP"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Spain"]
[BlackTeam "Switzerland"]
[WhiteTeamCountry "ESP"]
[BlackTeamCountry "SUI"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. c4 d6 5. d4 0-0 6. Nc3 Nbd7 7. 0-0 e5 8. dxe5 dxe5 9. h3 c6 10. Be3 Qe7 11. Qb3 Re8 12. Rad1 Bf8 13. Nd2 Nc5 14. Qa3 Be6 15. b4 Ncd7 16. c5 a5 17. Nde4 Nxe4 18. Nxe4 Bd5 19. Nd6 axb4 20. Qxb4 Bxg2 21. Kxg2 Reb8 22. Ne4 Bg7 23. Bg5 f6 24. Qc4+ Kf8 25. Be3 Rd8 26. Nd6 Rab8 27. Rd2 f5 28. Bg5 Nf6 29. Qh4 b6 30. Rfd1 bxc5 31. Be3 Nd5 32. Bxc5 Rxd6 33. Rxd5 cxd5 34. Rxd5 Qxh4 35. gxh4 Ra8 36. Rxd6 Kf7 37. Rd7+ Kg8 38. a3 Rc8 39. Bb4 Rc2 40. e3 Bf6 41. Be7 Bg7 42. a4 Ra2 43. Ra7 e4 44. Bc5 Bc3 45. Bd6 Be1 46. Bg3 f4 47. Bxf4 Bxf2 48. Kf1 Bxh4 49. a5 Rf2+ 50. Kg1 Rf3 51. Rb7 g5 52. a6 1-0

[Event "EU-chT 03th Group2"]
[Site "Bad Pyrmont"]
[Date "1963.10.??"]
[Round "5.1"]
[White "Beni, Alfred"]
[Black "Castagna, Renzo"]
[Result "1-0"]
[ECO "E65"]
[PlyCount "71"]
[EventDate "1963.10.??"]
[EventType "team-tourn"]
[EventRounds "6"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Austria"]
[BlackTeam "Switzerland"]
[WhiteTeamCountry "AUT"]
[BlackTeamCountry "SUI"]

1. Nf3 Nf6 2. g3 g6 3. b3 Bg7 4. Bb2 0-0 5. Bg2 d6 6. d4 Nbd7 7. 0-0 c5 8. c4 Rb8 9. Nc3 a6 10. e4 cxd4 11. Nxd4 Ne5 12. Qd2 Bd7 13. Rad1 Nc6 14. Nd5 Nxd5 15. exd5 Nxd4 16. Bxd4 Bxd4 17. Qxd4 b5 18. cxb5 Bxb5 19. Rfe1 a5 20. h4 Bd7 21. h5 f6 22. Qe3 Rf7 23. hxg6 hxg6 24. Be4 Rg7 25. Kg2 a4 26. Rh1 axb3 27. axb3 Qb6 28. Qh6 Kf7 29. Rde1 Rbg8 30. Re3 e5 31. dxe6+ Bxe6 32. Rhe1 Qb8 33. Bc6 Rh8 34. Qf4 Qc8 35. Qxd6 Bh3+ 36. Kg1 1-0

[Event "EU-chT 03th Group2"]
[Site "Bad Pyrmont"]
[Date "1963.10.??"]
[Round "2.1"]
[White "Castagna, Renzo"]
[Black "Beni, Alfred"]
[Result "1/2-1/2"]
[ECO "D02"]
[PlyCount "60"]
[EventDate "1963.10.??"]
[EventType "team-tourn"]
[EventRounds "6"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Switzerland"]
[BlackTeam "Austria"]
[WhiteTeamCountry "SUI"]
[BlackTeamCountry "AUT"]

1. d4 d5 2. Nf3 c6 3. g3 g6 4. Bg2 Bg7 5. 0-0 Nh6 6. c3 Nf5 7. Nbd2 Nd6 8. Ne5 Nd7 9. Nxd7 Bxd7 10. e4 dxe4 11. Nxe4 Nxe4 12. Bxe4 Be6 13. Bg2 Bd5 14. f3 0-0 15. Be3 e5 16. dxe5 Bxe5 17. Bd4 Bxd4+ 18. Qxd4 Qb6 19. Qxb6 axb6 20. a3 b5 21. Rfe1 Rfe8 22. Kf2 Kf8 23. Bf1 Rxe1 24. Rxe1 Re8 25. Rxe8+ Kxe8 26. Ke3 Ke7 27. Be2 Kd6 28. Kd4 f6 29. h4 h6 30. f4 g5 1/2-1/2

[Event "EU-chT 03th Group2"]
[Site "Bad Pyrmont"]
[Date "1963.10.??"]
[Round "1.2"]
[White "Castagna, Renzo"]
[Black "Schmid, Lothar"]
[Result "0-1"]
[ECO "A37"]
[PlyCount "48"]
[EventDate "1963.10.??"]
[EventType "team-tourn"]
[EventRounds "6"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Switzerland"]
[BlackTeam "German Fed Rep"]
[WhiteTeamCountry "SUI"]
[BlackTeamCountry "GER"]

1. Nf3 c5 2. c4 g6 3. g3 Bg7 4. Bg2 Nc6 5. Nc3 e6 6. 0-0 Nge7 7. Ne4 d6 8. d3 0-0 9. Rb1 h6 10. Bd2 b6 11. Bc3 e5 12. a3 f5 13. Ned2 Be6 14. e3 d5 15. cxd5 Nxd5 16. Qa4 Rc8 17. Rfd1 g5 18. Nc4 Qc7 19. Rbc1 Qb8 20. Qb5 Rfd8 21. Ne1 Qc7 22. Qb3 Qf7 23. a4 Nxc3 24. bxc3 Na5 0-1

[Event "EU-chT 03th Group2"]
[Site "Bad Pyrmont"]
[Date "1963.10.??"]
[Round "4.2"]
[White "Schmid, Lothar"]
[Black "Castagna, Renzo"]
[Result "1-0"]
[ECO "C96"]
[PlyCount "59"]
[EventDate "1963.10.??"]
[EventType "team-tourn"]
[EventRounds "6"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "German Fed Rep"]
[BlackTeam "Switzerland"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "SUI"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 0-0 9. h3 Na5 10. Bc2 c5 11. d4 Bb7 12. Nbd2 cxd4 13. cxd4 Nc6 14. a3 Nd7 15. d5 Ncb8 16. b4 Nb6 17. Nb3 f5 18. Na5 Bc8 19. exf5 Bxf5 20. Bxf5 Rxf5 21. Qd3 Qf8 22. Be3 Bd8 23. Nd2 Qf7 24. Nb7 Qxb7 25. Qxf5 Qxd5 26. Bxb6 Bxb6 27. Qc8+ Kf7 28. Ne4 Ke7 29. Rad1 Qc6 30. Nxd6 1-0

[Event "Clare Benedict Cup-09"]
[Site "Bern"]
[Date "1962.04.25"]
[Round "5"]
[White "Hollis, Adrian Swayne"]
[Black "Castagna, Renzo"]
[Result "1/2-1/2"]
[ECO "C26"]
[PlyCount "113"]
[EventDate "1962.04.21"]
[EventType "team-tourn"]
[EventRounds "5"]
[EventCountry "SUI"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]
[WhiteTeam "England"]
[BlackTeam "Switzerland"]
[WhiteTeamCountry "ENG"]
[BlackTeamCountry "SUI"]

1. e4 e5 2. Nc3 Nf6 3. g3 Nc6 4. Bg2 g6 5. Nge2 Bg7 6. 0-0 0-0 7. d3 d6 8. h3 Ne7 9. f4 Ne8 10. d4 Be6 11. g4 Bc4 12. Rf2 exd4 13. Nxd4 d5 14. e5 c5 15. Nf3 Nc7 16. f5 gxf5 17. gxf5 f6 18. exf6 Rxf6 19. Nh4 h6 20. Qg4 Kh7 21. Bf4 Rc6 22. Re1 Ne8 23. Qh5 Kg8 24. Ng6 Nxg6 25. fxg6 Nf6 26. Qh4 Ne4 27. Qxd8+ Rxd8 28. Nxe4 dxe4 29. Bxe4 Re6 30. c3 Rde8 31. Rd2 Rxe4 32. Rxe4 Rxe4 33. Rd8+ Bf8 34. Bxh6 Re1+ 35. Kf2 Rf1+ 36. Kg2 Rf6 37. g7 Rg6+ 38. Kf3 Rxg7 39. Bxg7 Kxg7 40. Rd7+ Kf6 41. b3 Bb5 42. Rd1 c4 43. h4 Bg7 44. Rd2 Ke6 45. Kg4 cxb3 46. axb3 Bxc3 47. Rc2 Bd4 48. h5 Bd3 49. Rc8 Be2+ 50. Kh4 Bf6+ 51. Kh3 Kf5 52. Rf8 a5 53. Rb8 Bg4+ 54. Kg2 Bxh5 55. Rxb7 Be8 56. Kf1 Bc3 57. Rb5+ 1/2-1/2

[Event "Clare Benedict Cup-09"]
[Site "Bern"]
[Date "1962.04.22"]
[Round "2"]
[White "Castagna, Renzo"]
[Black "Franco Raymundo, Eduardo"]
[Result "0-1"]
[ECO "B24"]
[PlyCount "64"]
[EventDate "1962.04.21"]
[EventType "team-tourn"]
[EventRounds "5"]
[EventCountry "SUI"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]
[WhiteTeam "Switzerland"]
[BlackTeam "Spain"]
[WhiteTeamCountry "SUI"]
[BlackTeamCountry "ESP"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 e6 6. Be3 Nd4 7. Nce2 Ne7 8. c3 Nxe2 9. Nxe2 d6 10. 0-0 0-0 11. Qd2 Re8 12. f4 f5 13. Rad1 Qc7 14. h3 Bd7 15. g4 Rad8 16. Ng3 b5 17. Bf3 a5 18. Kg2 b4 19. c4 Bc8 20. Qf2 Rf8 21. Qc2 Kh8 22. exf5 exf5 23. g5 Bb7 24. h4 Nc6 25. Ne2 Rfe8 26. Bf2 Rd7 27. Kg3 Rde7 28. h5 b3 29. Qd2 Nb4 30. hxg6 Bxf3 31. Kxf3 Qb7+ 32. Kg3 Rxe2 0-1

[Event "Hoogovens-B1"]
[Site "Beverwijk"]
[Date "1962.??.??"]
[Round "8"]
[White "Castagna, Renzo"]
[Black "Bakker, Piet"]
[Result "1-0"]
[ECO "E64"]
[PlyCount "77"]
[EventDate "1962.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. c4 d6 5. Bg2 0-0 6. Nc3 c5 7. d5 e5 8. e4 Nh5 9. 0-0 Bg4 10. h3 Bd7 11. Ne1 Na6 12. Nd3 Nc7 13. a4 Qe7 14. Be3 b6 15. Nb5 Nxb5 16. axb5 f5 17. exf5 Bxf5 18. Ra2 Qd7 19. Kh2 Bxd3 20. Qxd3 Rf7 21. b4 Raf8 22. bxc5 bxc5 23. Ra6 Nf4 24. Qe4 Nxg2 25. Kxg2 Qf5 26. Qxf5 gxf5 27. Rxd6 f4 28. Bxc5 fxg3 29. Kxg3 e4 30. Re6 Rc8 31. Rc6 Re8 32. Kg2 h5 33. Be3 Kh7 34. Rg1 Rf3 35. Rc7 Kh8 36. Kf1 Be5 37. Rxa7 Ref8 38. Ke2 Bf4 39. Bd4+ 1-0

[Event "Hoogovens-B1"]
[Site "Beverwijk"]
[Date "1962.??.??"]
[Round "4"]
[White "Castagna, Renzo"]
[Black "De Rooi, Paul"]
[Result "0-1"]
[ECO "B33"]
[PlyCount "78"]
[EventDate "1962.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb3 Nf6 6. Nc3 Bb4 7. Bg5 h6 8. Bxf6 Qxf6 9. Bc4 Bxc3+ 10. bxc3 d6 11. Qd3 Be6 12. Nd2 Qe7 13. Rb1 0-0 14. 0-0 Rac8 15. Rfd1 Rfd8 16. Bd5 Na5 17. Rb5 b6 18. Nf1 Nb7 19. Ne3 Nc5 20. Qd2 Qg5 21. Rb4 g6 22. Qe2 Kg7 23. Rd2 h5 24. Bxe6 Nxe6 25. Nd5 Nf4 26. Nxf4 exf4 27. Rd3 f3 28. Qxf3 Rxc3 29. Qd1 Rxd3 30. cxd3 Rc8 31. Rb1 Qa5 32. g3 Qxa2 33. Rc1 Rc5 34. Kg2 Qb2 35. Rb1 Qc2 36. Qxc2 Rxc2 37. Ra1 Rc7 38. Kf3 b5 39. Ra6 b4 0-1

[Event "Hoogovens-B1"]
[Site "Beverwijk"]
[Date "1962.??.??"]
[Round "1"]
[White "Castagna, Renzo"]
[Black "Gereben, Erno"]
[Result "0-1"]
[ECO "D75"]
[PlyCount "80"]
[EventDate "1962.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 0-0 5. c4 d5 6. cxd5 Nxd5 7. 0-0 c5 8. e4 Nb4 9. a3 N4a6 10. d5 Bg4 11. Qb3 Qb6 12. Qxb6 axb6 13. Nc3 Bxf3 14. Bxf3 Nb4 15. Bg5 Nc2 16. Rad1 f6 17. Bf4 Nd4 18. Bg2 Nd7 19. Be3 Nc2 20. Bc1 Ne5 21. Nb5 Ra5 22. Nc7 Nd4 23. Bd2 Ra4 24. Bf4 f5 25. exf5 Rxf5 26. Ne6 Ne2+ 27. Kh1 Nxf4 28. Nxf4 Nf7 29. Rfe1 Bf6 30. Re2 Nd6 31. Ne6 Re5 32. Rde1 Rxe2 33. Rxe2 Rc4 34. Bf3 Rc1+ 35. Kg2 Rb1 36. b4 c4 37. Rc2 c3 38. Be2 Rb2 39. Bd3 Rxc2 40. Bxc2 Nb5 0-1

[Event "Hoogovens-B1"]
[Site "Beverwijk"]
[Date "1962.??.??"]
[Round "3"]
[White "Castagna, Renzo"]
[Black "Mohrlok, Dieter A"]
[Result "0-1"]
[ECO "D78"]
[PlyCount "80"]
[EventDate "1962.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. g3 g6 4. Bg2 Bg7 5. 0-0 0-0 6. c4 c6 7. Na3 dxc4 8. Nxc4 Be6 9. Nfe5 Bd5 10. Bxd5 cxd5 11. Ne3 Nc6 12. Nxc6 bxc6 13. Bd2 Qb6 14. Bc3 Ne4 15. Qd3 Rab8 16. Kg2 e6 17. Nc2 c5 18. f3 cxd4 19. Bxd4 Bxd4 20. Nxd4 Nc5 21. Qe3 Rfe8 22. b3 e5 23. Nc2 d4 24. Qd2 Rbd8 25. Rfd1 Rd7 26. Ne1 e4 27. Qf4 Rde7 28. Rd2 exf3+ 29. Qxf3 Re3 30. Qf1 Ne4 31. Rd3 Nc3 32. Nf3 Rxe2+ 33. Kh1 Ne4 34. Nxd4 Nf2+ 35. Kg2 Nxd3+ 36. Nxe2 Qc6+ 37. Kg1 Qc5+ 38. Kg2 Qc2 39. Kf3 Qd2 40. Rd1 Qe3+ 0-1

[Event "Hoogovens-B1"]
[Site "Beverwijk"]
[Date "1962.??.??"]
[Round "6"]
[White "Castagna, Renzo"]
[Black "Smederevac, Petar"]
[Result "1-0"]
[ECO "A95"]
[PlyCount "95"]
[EventDate "1962.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 e6 3. g3 f5 4. Bg2 Nf6 5. 0-0 Be7 6. c4 c6 7. Nc3 0-0 8. Qb3 b6 9. Ne5 Bb7 10. Bf4 Nbd7 11. Rfd1 Rc8 12. cxd5 exd5 13. e4 fxe4 14. Nxe4 Nxe5 15. Nxf6+ gxf6 16. dxe5 Qd7 17. Re1 fxe5 18. Rxe5 Bf6 19. Rh5 Qf7 20. Qf3 Ba6 21. Rc1 Rfe8 22. Qg4+ Qg6 23. Qh3 Be2 24. Rh6 Qg7 25. Bxd5+ Kh8 26. Be4 Qg4 27. Rxh7+ Kg8 28. Rh8+ Kf7 29. Qxg4 Bxg4 30. Rxe8 Rxe8 31. f3 Bh3 32. Rxc6 Rd8 33. Kf2 Bxb2 34. g4 Bf6 35. Rc7+ Ke6 36. g5 Bd4+ 37. Kg3 Bf1 38. h4 Bc5 39. h5 Bc4 40. h6 Rd1 41. h7 Rh1 42. Rxc5 bxc5 43. g6 Kf6 44. Be5+ Kxe5 45. g7 Rg1+ 46. Kh2 Rxg7 47. h8Q Kf6 48. Qh6+ 1-0

[Event "Hoogovens-B1"]
[Site "Beverwijk"]
[Date "1962.??.??"]
[Round "5"]
[White "Kramer, Haije J"]
[Black "Castagna, Renzo"]
[Result "1-0"]
[ECO "B07"]
[PlyCount "80"]
[EventDate "1962.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d6 6. Nc3 Nbd7 7. e4 e5 8. h3 Re8 9. Re1 exd4 10. Nxd4 Nc5 11. Nb3 Ne6 12. Be3 Bd7 13. Qd2 Qc8 14. Kh2 Nd8 15. Rad1 Nc6 16. f4 a5 17. a4 Nb4 18. Nd4 Na6 19. Ndb5 Bc6 20. Bd4 Nh5 21. Bxg7 Nxg7 22. Nd4 Nc5 23. Nxc6 bxc6 24. e5 d5 25. Qf2 Nd7 26. g4 Rb8 27. b3 h5 28. Bf3 Rb4 29. Ne2 Nf8 30. Rg1 hxg4 31. hxg4 Nfe6 32. Qg3 Kf8 33. Rh1 Ke7 34. Kg2 Kd7 35. c4 Rxb3 36. cxd5 cxd5 37. Rxd5+ Ke7 38. Qh4+ g5 39. Qh7 Rg8 40. f5 Nf4+ 1-0

[Event "Hoogovens-B1"]
[Site "Beverwijk"]
[Date "1962.??.??"]
[Round "7"]
[White "Perez Perez, Francisco Jose"]
[Black "Castagna, Renzo"]
[Result "1/2-1/2"]
[ECO "C69"]
[PlyCount "117"]
[EventDate "1962.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. 0-0 f6 6. d4 exd4 7. Nxd4 c5 8. Nb3 Qxd1 9. Rxd1 Bd6 10. Na5 Bg4 11. f3 Bc8 12. Nc3 Ne7 13. Nc4 Be5 14. Nxe5 fxe5 15. Bg5 Be6 16. Bxe7 Kxe7 17. Nd5+ Bxd5 18. Rxd5 Kf6 19. Rad1 b6 20. Rd7 Rac8 21. Kf2 Rhe8 22. g3 Re7 23. Rxe7 Kxe7 24. Rd5 Ke6 25. f4 exf4 26. gxf4 Rf8 27. Kf3 Rf7 28. Re5+ Kd6 29. Rh5 g6 30. Rd5+ Ke6 31. h4 Kf6 32. a4 a5 33. Kg4 Re7 34. e5+ Ke6 35. c4 Rf7 36. Rd8 Ke7 37. Rd5 Rf5 38. Rd2 Rh5 39. Rd3 Rf5 40. Rd5 Rf8 41. h5 Ke6 42. hxg6 hxg6 43. Rd3 g5 44. Kxg5 Rg8+ 45. Kh6 Kf5 46. Rf3 Rg2 47. b3 Rg6+ 48. Kh7 Rg2 49. Rf1 Rg3 50. Re1 Ke6 51. f5+ Kxf5 52. e6 Kf6 53. e7 Rg7+ 54. Kh6 Rxe7 55. Rf1+ Ke5 56. Re1+ Kd6 57. Rxe7 Kxe7 58. Kg5 Ke6 59. Kf4 1/2-1/2

[Event "Hoogovens-B1"]
[Site "Beverwijk"]
[Date "1962.??.??"]
[Round "2"]
[White "Rellstab, Ludwig Sr"]
[Black "Castagna, Renzo"]
[Result "0-1"]
[ECO "E98"]
[PlyCount "60"]
[EventDate "1962.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 e5 7. 0-0 Nc6 8. d5 Ne7 9. Ne1 Nd7 10. Nd3 f5 11. f4 exf4 12. Nxf4 Nc5 13. exf5 Nxf5 14. Nh3 Bd7 15. Bf3 Qh4 16. Nb5 Nd4 17. Nxd4 Bxd4+ 18. Kh1 Bxh3 19. gxh3 Qxh3 20. Bg2 Qh4 21. Bg5 Rxf1+ 22. Bxf1 Qf2 23. Bg2 Re8 24. Qf3 Ne4 25. Bh6 Qxb2 26. Re1 Nf2+ 27. Qxf2 Bxf2 28. Rxe8+ Kf7 29. Rf8+ Ke7 30. Bf3 Be3 0-1

[Event "Hoogovens-B1"]
[Site "Beverwijk"]
[Date "1962.??.??"]
[Round "9"]
[White "Sandor, Bela"]
[Black "Castagna, Renzo"]
[Result "1-0"]
[ECO "A49"]
[PlyCount "141"]
[EventDate "1962.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. d4 0-0 5. 0-0 d6 6. Nbd2 Nbd7 7. e4 e5 8. c3 Qe7 9. Re1 Nb6 10. a4 a5 11. h3 Bd7 12. b3 Rfd8 13. Ba3 Qe8 14. Qc2 Rac8 15. Rac1 Nh5 16. dxe5 dxe5 17. c4 Bc6 18. Qc3 Ra8 19. c5 Nd7 20. Nc4 Qe6 21. Nxa5 Rxa5 22. Qxa5 Qxb3 23. Rc3 Qxa4 24. Qxc7 Qa8 25. Bb4 Bf8 26. Ra3 Qc8 27. Qa5 Re8 28. Nd2 Ng7 29. Rc3 Ne6 30. Nb3 Nc7 31. Bf1 Nf6 32. Bg2 Qd7 33. Qa2 Ra8 34. Qb2 Nb5 35. Rcc1 b6 36. Ra1 Rxa1 37. Qxa1 bxc5 38. Bxc5 Bxc5 39. Nxc5 Qd4 40. Qxd4 Nxd4 41. f3 Nh5 42. Kf2 Bb5 43. Ra1 Kf8 44. Ra7 Ng7 45. Bf1 Bxf1 46. Kxf1 Nxf3 47. Nd7+ Ke8 48. Nf6+ Kf8 49. Nxh7+ Ke8 50. Kf2 Nd2 51. Nf6+ Kf8 52. Ke2 Nc4 53. Kd3 Nb2+ 54. Ke2 Nc4 55. Ra4 Nd6 56. Nd7+ Ke7 57. Nxe5 Ne6 58. Nd3 Ng5 59. e5 Nb5 60. Rh4 Ke6 61. Kf2 Kd5 62. Kg2 Nd4 63. Rf4 Nf5 64. g4 Nh6 65. Ra4 Ng8 66. h4 Ne4 67. e6 f5 68. Nf4+ Ke5 69. Nxg6+ Kxe6 70. Ra6+ Nd6 71. g5 1-0

