[Event "Zuerich U20"]
[Site "Zuerich"]
[Date "1962.??.??"]
[Round "5"]
[White "Calvo Minguez, Ricardo"]
[Black "Herren, W."]
[Result "1-0"]
[ECO "B78"]
[PlyCount "57"]
[EventDate "1962.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "SUI"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. Nc3 cxd4 5. Nxd4 Nc6 6. Be3 Nf6 7. Bc4 0-0 8. f3 d6 9. Qd2 Bd7 10. 0-0-0 Ne5 11. Bb3 Rc8 12. Qe2 Qa5 13. f4 Bg4 14. Nf3 Nxf3 15. gxf3 Rxc3 16. fxg4 Rc7 17. Bd4 e5 18. fxe5 dxe5 19. Bc3 Bh6+ 20. Kb1 Qc5 21. Rhf1 Bg7 22. h4 a5 23. h5 Ra8 24. a4 Re8 25. Rd3 Rf8 26. hxg6 hxg6 27. Rh3 Ne8 28. Rfh1 Nd6 29. Qh2 1-0

[Event "Zuerich U20"]
[Site "Zuerich"]
[Date "1962.??.??"]
[Round "1"]
[White "Gebauer, Peter"]
[Black "Herren, W."]
[Result "1-0"]
[ECO "B17"]
[PlyCount "63"]
[EventDate "1962.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "SUI"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c6 2. Nc3 d5 3. Nf3 dxe4 4. Nxe4 Nd7 5. Bc4 Ngf6 6. Nxf6+ Nxf6 7. 0-0 e6 8. d4 Be7 9. Re1 0-0 10. c3 Nd5 11. Bd3 Bf6 12. Ne5 Ne7 13. Re3 Ng6 14. Qh5 Bxe5 15. Rh3 Bxh2+ 16. Rxh2 f5 17. g4 b5 18. Bc2 Ne7 19. Qxh7+ Kf7 20. Bg5 Qd6 21. Re1 Bd7 22. gxf5 Rh8 23. Bxe7 Qxh2+ 24. Qxh2 Rxh2 25. Kxh2 Kxe7 26. fxe6 Bxe6 27. Bf5 Rh8+ 28. Kg3 Rh6 29. Kf4 a5 30. b3 Rh4+ 31. Kg5 Rh6 32. c4 1-0

[Event "Zuerich U20"]
[Site "Zuerich"]
[Date "1962.??.??"]
[Round "11"]
[White "Gretner, Walter"]
[Black "Herren, W."]
[Result "1/2-1/2"]
[ECO "B79"]
[PlyCount "46"]
[EventDate "1962.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "SUI"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. Nc3 cxd4 5. Nxd4 Nc6 6. Be3 Nf6 7. Bc4 0-0 8. Bb3 d6 9. f3 Bd7 10. Qd2 Rc8 11. 0-0-0 Ne5 12. g4 Nc4 13. Bxc4 Rxc4 14. h4 Qa5 15. Kb1 Rfc8 16. Nd5 Qxd2 17. Rxd2 Nxd5 18. exd5 a6 19. h5 b5 20. hxg6 hxg6 21. Nb3 Be5 22. Bd4 Bxd4 23. Nxd4 Kg7 1/2-1/2

[Event "Zuerich U20"]
[Site "Zuerich"]
[Date "1962.??.??"]
[Round "8"]
[White "Herren, W."]
[Black "Bernhardt, Rolf"]
[Result "0-1"]
[ECO "E59"]
[PlyCount "80"]
[EventDate "1962.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "SUI"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 0-0 6. Nf3 d5 7. 0-0 Nc6 8. a3 Bxc3 9. bxc3 dxc4 10. Bxc4 Qc7 11. Bb5 Rd8 12. Qe2 a6 13. Ba4 Bd7 14. Bc2 e5 15. dxe5 Nxe5 16. Nxe5 Qxe5 17. f4 Qxc3 18. Bb2 Bb5 19. Qf2 Qd2 20. Rfd1 Qxf2+ 21. Kxf2 Bc6 22. h3 Ne4+ 23. Bxe4 Bxe4 24. Rac1 f6 25. g4 b5 26. h4 a5 27. Ke2 Rxd1 28. Rxd1 b4 29. Rd7 c4 30. Rd4 Bc6 31. Ke1 c3 32. Ba1 Bf3 33. f5 h5 34. gxh5 Bxh5 35. Rf4 Rd8 36. Rd4 Rxd4 37. exd4 Bg4 38. axb4 axb4 39. Kf2 Bxf5 40. Ke3 g5 0-1

[Event "Zuerich U20"]
[Site "Zuerich"]
[Date "1962.??.??"]
[Round "2"]
[White "Herren, W."]
[Black "Bonne, Marck"]
[Result "1-0"]
[ECO "E97"]
[PlyCount "69"]
[EventDate "1962.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "SUI"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. Nf3 e5 7. 0-0 Nc6 8. Be3 Re8 9. d5 Ne7 10. Ne1 Nd7 11. Nd3 f5 12. f3 f4 13. Bf2 g5 14. c5 Nf6 15. Qb3 Kh8 16. cxd6 cxd6 17. Rfc1 Ng6 18. Nb5 Re7 19. Nxa7 g4 20. Bb6 Qg8 21. Rxc8 Rxc8 22. Nxc8 Qxc8 23. Rc1 Qg8 24. Qc4 gxf3 25. gxf3 Bf8 26. Kf2 Nd7 27. Ba5 Rg7 28. Rg1 Be7 29. Ke1 Qa8 30. Bd2 Qa7 31. Rg2 b5 32. Qb3 Nc5 33. Nxc5 Qxc5 34. Qxb5 Nh4 35. Qe8+ 1-0

[Event "Zuerich U20"]
[Site "Zuerich"]
[Date "1962.??.??"]
[Round "6"]
[White "Herren, W."]
[Black "Jakobsen, Ole"]
[Result "0-1"]
[ECO "A75"]
[PlyCount "76"]
[EventDate "1962.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "SUI"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 7. e4 Bg7 8. Be2 0-0 9. 0-0 Bg4 10. Nd2 Bxe2 11. Qxe2 a6 12. a4 Nbd7 13. Nc4 Ne8 14. Bf4 Qc7 15. Rfe1 Ne5 16. Bxe5 Bxe5 17. Rad1 f6 18. g3 Bxc3 19. bxc3 b5 20. Ne3 Qa5 21. axb5 axb5 22. Ra1 Qxa1 23. Rxa1 Rxa1+ 24. Kg2 Nc7 25. Qg4 b4 26. cxb4 cxb4 27. e5 fxe5 28. Qxb4 Ne8 29. Nf1 Ra2 30. Nd2 Nf6 31. Ne4 Nxe4 32. Qxe4 Rfxf2+ 33. Kh3 Kg7 34. Qc4 Rac2 35. Qb3 h5 36. Kh4 Rxh2+ 37. Kg5 Rcf2 38. g4 Rhg2 0-1

[Event "Zuerich U20"]
[Site "Zuerich"]
[Date "1962.??.??"]
[Round "4"]
[White "Herren, W."]
[Black "Vinje Gulbrandsen, Arne"]
[Result "1-0"]
[ECO "D28"]
[PlyCount "82"]
[EventDate "1962.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "SUI"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. 0-0 a6 7. Qe2 b5 8. Bd3 Bb7 9. dxc5 Bxc5 10. Bxb5+ Nbd7 11. Bd3 Qc7 12. Nc3 0-0 13. e4 h6 14. Bd2 Rfd8 15. Rac1 Qb8 16. Na4 Bd6 17. Ba5 Rc8 18. Nb6 Nxb6 19. Bxb6 Nd7 20. Bd4 e5 21. Bc3 Nc5 22. Bc2 Bc6 23. Rfd1 Re8 24. Nd2 Ne6 25. Nc4 Bc7 26. g3 a5 27. Ne3 Bb6 28. Nf5 Bd4 29. Bb3 Qb7 30. Nd6 Qe7 31. Nxe8 Rxe8 32. Bxe6 Qxe6 33. Bxd4 exd4 34. Qc4 Bxe4 35. Qxe6 Rxe6 36. Rxd4 Bf3 37. Rd3 Bg4 38. Kg2 Re2 39. Rb3 Be6 40. Rb8+ Kh7 41. Kf3 Re5 1-0

[Event "Zuerich U20"]
[Site "Zuerich"]
[Date "1962.??.??"]
[Round "10"]
[White "Herren, W."]
[Black "Zuidema, Coen"]
[Result "1/2-1/2"]
[ECO "E45"]
[PlyCount "105"]
[EventDate "1962.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "SUI"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Nge2 Ba6 6. a3 Bxc3+ 7. Nxc3 d5 8. b3 0-0 9. Bd3 dxc4 10. bxc4 Nc6 11. Qc2 e5 12. d5 Na5 13. Nb1 e4 14. Be2 c6 15. dxc6 Rc8 16. Nd2 Rxc6 17. Bb2 Bxc4 18. Nxc4 b5 19. Rd1 Qe7 20. Bc3 Nxc4 21. Bb4 Nxa3 22. Bxa3 Qc7 23. Qb1 Rb8 24. 0-0 a5 25. Rc1 b4 26. Bb2 a4 27. Rxc6 Qxc6 28. Rc1 Qe8 29. Bxf6 gxf6 30. Rc4 a3 31. Rxe4 Qxe4 32. Qxe4 a2 33. Qd4 b3 34. Qa7 Rc8 35. Qa3 Rc2 36. Bf1 Rd2 37. Qxb3 a1Q 38. Qb8+ Kg7 39. Qg3+ Kf8 40. Qb8+ Ke7 41. Qb4+ Rd6 42. Qe4+ Kd8 43. Qb7 Rd7 44. Qb8+ Ke7 45. Qb4+ Rd6 46. Qb7+ Ke8 47. Qb8+ Rd8 48. Qb5+ Kf8 49. g3 Qe5 50. Qc4 Kg7 51. Kg2 Rd2 52. Qg4+ Qg5 53. Be2 1/2-1/2

[Event "Zuerich U20"]
[Site "Zuerich"]
[Date "1962.??.??"]
[Round "9"]
[White "Lawrence, Jeffrey A"]
[Black "Herren, W."]
[Result "1-0"]
[ECO "E25"]
[PlyCount "157"]
[EventDate "1962.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "SUI"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. f3 d5 7. cxd5 Nxd5 8. Qd3 cxd4 9. cxd4 Qa5+ 10. Bd2 Qa4 11. e4 Nb6 12. f4 0-0 13. Nf3 Rd8 14. Be2 Nc6 15. Bc3 Bd7 16. 0-0 Be8 17. g4 f6 18. g5 f5 19. exf5 exf5 20. Ne5 Nd5 21. Bd1 Qa6 22. Qxa6 bxa6 23. Bb3 Nce7 24. Bb4 Kh8 25. Bc5 Ng6 26. Nxg6+ Bxg6 27. Rae1 Bf7 28. Re5 g6 29. Bc4 a5 30. Rf3 Rd7 31. Bb5 Rc7 32. Kf2 Kg7 33. Kg3 Rd8 34. h4 h5 35. Bc4 Nb6 36. Bxb6 axb6 37. Bxf7 Kxf7 38. d5 Rcd7 39. Rd3 Rd6 40. Kf3 R8d7 41. Ke3 Rc7 42. Kd4 Rc1 43. Rde3 Rd7 44. Re6 Rd1+ 45. Kc4 R1xd5 46. Rf6+ Kg7 47. Rxb6 Rd4+ 48. Kb5 R7d5+ 49. Ka6 Rd6 50. Rxd6 Rxd6+ 51. Kxa5 Kf7 52. a4 Rd4 53. Kb5 Rxf4 54. a5 Rxh4 55. a6 Rh1 56. Ra3 Rb1+ 57. Ka5 Rb8 58. a7 Ra8 59. Kb6 Ke6 60. Ra6 Ke5 61. Kb7 Rg8 62. a8Q Rxa8 63. Kxa8 f4 64. Rxg6 Kf5 65. Rg8 f3 66. g6 f2 67. g7 Kg6 68. Rf8 Kxg7 69. Rxf2 Kg6 70. Kb7 Kg5 71. Kc6 Kg4 72. Kd5 h4 73. Ke4 h3 74. Ke3 Kg3 75. Rf8 h2 76. Rg8+ Kh3 77. Kf2 h1N+ 78. Kf3 Kh2 79. Rg7 1-0

[Event "Zuerich U20"]
[Site "Zuerich"]
[Date "1962.??.??"]
[Round "3"]
[White "Markus, Marcel"]
[Black "Herren, W."]
[Result "0-1"]
[ECO "A00"]
[PlyCount "120"]
[EventDate "1962.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "SUI"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. b4 Nf6 2. Bb2 e6 3. a3 d5 4. e3 c5 5. bxc5 Bxc5 6. Nf3 Nc6 7. d4 Bd6 8. Nbd2 0-0 9. Bd3 b6 10. 0-0 Bb7 11. c4 Rc8 12. cxd5 exd5 13. Ne5 Ne7 14. f4 Ne4 15. f5 f6 16. Nxe4 Bxe5 17. dxe5 dxe4 18. exf6 exd3 19. fxe7 Qxe7 20. Qb3+ Rf7 21. Qxd3 Be4 22. Qb3 Rc2 23. Rf2 Rxf2 24. Kxf2 Qg5 25. f6 Qxg2+ 26. Ke1 Qg1+ 27. Ke2 Qxh2+ 28. Ke1 Qg1+ 29. Ke2 Qg2+ 30. Ke1 Bd5 31. Qb5 Qe4 32. Bd4 Rc7 33. f7+ Bxf7 34. Qg5 Be8 35. Rd1 Qg6 36. Qd5+ Qf7 37. e4 Re7 38. Qxf7+ Kxf7 39. e5 Ke6 40. Kd2 Ba4 41. Rc1 Rd7 42. Ke3 g5 43. Rf1 Rf7 44. Rf6+ Rxf6 45. exf6 h5 46. Kf3 Bb3 47. Bc3 Kf5 48. Kg3 Be6 49. Kg2 h4 50. a4 g4 51. a5 bxa5 52. Bxa5 g3 53. f7 Bxf7 54. Kh3 Be6 55. Bd2 Ke4+ 56. Kg2 Bd5 57. Kh3 Kf3 58. Bb4 Be6+ 59. Kxh4 g2 60. Bc5 a5 0-1

[Event "Zuerich U20"]
[Site "Zuerich"]
[Date "1962.??.??"]
[Round "7"]
[White "Rugiadini, Andrea"]
[Black "Herren, W."]
[Result "1/2-1/2"]
[ECO "B74"]
[PlyCount "42"]
[EventDate "1962.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "SUI"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. Nc3 cxd4 5. Nxd4 Nc6 6. Be3 Nf6 7. Be2 0-0 8. Nb3 d6 9. 0-0 b6 10. f4 Bb7 11. g4 Nd7 12. Qe1 a5 13. a4 Nb4 14. Bd3 Nc5 15. Nxc5 dxc5 16. Rd1 Qc8 17. Qe2 Nc6 18. e5 Rd8 19. Be4 Nd4 20. Bxd4 Bxe4 21. Nxe4 cxd4 1/2-1/2

