[Event "World U20-ch11 Final D"]
[Site "Athens"]
[Date "1971.08.13"]
[Round "7"]
[White "Pena, Virginio Serrano"]
[Black "Makropoulos, Georgios"]
[Result "0-1"]
[ECO "B73"]
[PlyCount "134"]
[EventDate "1971.08.02"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "GRE"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Be2 0-0 8. Qd2 d6 9. f3 Bd7 10. 0-0 Nxd4 11. Bxd4 Bc6 12. Nd5 Nh5 13. Bxg7 Nxg7 14. Kh1 Rc8 15. c4 Bxd5 16. cxd5 Qb6 17. Rfc1 Nh5 18. b3 Qf2 19. Qe1 Qxe1+ 20. Rxe1 Rc2 21. a4 Rfc8 22. Bc4 a6 23. g3 Rc5 24. a5 Nf6 25. Ra4 Nd7 26. Kg1 Ne5 27. Re3 Kf8 28. h3 Nxc4 29. Rxc4 R2xc4 30. bxc4 Rxc4 31. Rb3 Ra4 32. Rxb7 Rxa5 33. Rb8+ Kg7 34. Rb7 Kf6 35. f4 h5 36. Kf2 e5 37. Rb6 Ra2+ 38. Ke3 Ra3+ 39. Kf2 exf4 40. gxf4 Ke7 41. h4 Rh3 42. Rxa6 Rxh4 43. Ra7+ Kf6 44. Kg3 Rg4+ 45. Kf3 g5 46. fxg5+ Rxg5 47. Rd7 h4 48. Rxd6+ Ke5 49. Rh6 Rg3+ 50. Kf2 Rg4 51. Rh5+ Kxe4 52. d6 Rf4+ 53. Kg2 Rf6 54. Rxh4+ Ke5 55. Kg3 Rxd6 56. Rh8 Rd3+ 57. Kf2 f5 58. Ke2 Ra3 59. Kf2 Ke4 60. Re8+ Kf4 61. Ke2 Ra2+ 62. Kf1 Kf3 63. Ke1 Ra1+ 64. Kd2 f4 65. Rf8 Rf1 66. Rf7 Kg2 67. Rg7+ Kf2 0-1

[Event "World U20-ch11 Final D"]
[Site "Athens"]
[Date "1971.08.10"]
[Round "6"]
[White "Ipek, Ali"]
[Black "Pena, Virginio Serrano"]
[Result "1-0"]
[ECO "A48"]
[PlyCount "45"]
[EventDate "1971.08.02"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "GRE"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Nc3 Bg7 4. e4 0-0 5. e5 Ne8 6. Bc4 d6 7. Bf4 Nc6 8. 0-0 Bg4 9. Re1 dxe5 10. dxe5 e6 11. h3 Bxf3 12. Qxf3 Na5 13. Bd3 c5 14. Rad1 Qe7 15. Bb5 Rd8 16. Ne4 Rxd1 17. Rxd1 Nc6 18. Bxc6 bxc6 19. Be3 f5 20. exf6 Nxf6 21. Bxc5 Nxe4 22. Bxe7 Rxf3 23. gxf3 1-0

[Event "World U20-ch11 Final D"]
[Site "Athens"]
[Date "1971.08.08"]
[Round "5"]
[White "Pena, Virginio Serrano"]
[Black "Adad, Carlos"]
[Result "0-1"]
[ECO "E72"]
[PlyCount "88"]
[EventDate "1971.08.02"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "GRE"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 0-0 5. e4 d6 6. Nc3 Nbd7 7. Nge2 e5 8. 0-0 Re8 9. Re1 c6 10. d5 cxd5 11. cxd5 a6 12. h3 b5 13. Qc2 Nb6 14. b3 Bd7 15. Be3 b4 16. Nd1 Bb5 17. Nb2 Nfd7 18. Qd2 a5 19. f3 Nc5 20. Rec1 Rc8 21. Kh2 Kh8 22. Rc2 Nbd7 23. Rac1 Qb6 24. h4 Qa6 25. Ng1 a4 26. Bxc5 Nxc5 27. Qe3 axb3 28. axb3 Ra8 29. Nc4 Bxc4 30. Rxc4 Qa3 31. Rb1 Qa2 32. Rcc1 Ra3 33. Rd1 Rxb3 34. Rxb3 Nxb3 35. Qb6 Qc2 36. Qc6 Rc8 37. Qxc2 Rxc2 38. Rb1 Rc3 39. Ne2 Re3 40. Kg1 Nd4 41. Nxd4 exd4 42. Rxb4 d3 43. Rb1 d2 44. Kf1 Bc3 0-1

[Event "World U20-ch11 Final D"]
[Site "Athens"]
[Date "1971.08.07"]
[Round "4"]
[White "Karakasoglou, Alexandros"]
[Black "Pena, Virginio Serrano"]
[Result "1-0"]
[ECO "B98"]
[PlyCount "90"]
[EventDate "1971.08.02"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "GRE"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 Nbd7 9. 0-0-0 0-0 10. Be2 Rb8 11. Qg3 Ne8 12. Bxe7 Qxe7 13. Bf3 Nc5 14. Rd2 Nc7 15. Rhd1 e5 16. Nf5 Bxf5 17. exf5 Rbd8 18. fxe5 dxe5 19. Rxd8 Rxd8 20. Rxd8+ Qxd8 21. Qxe5 Nd7 22. Qd6 Ne8 23. Qd2 Qc7 24. Nd5 Qd6 25. Qb4 Nc5 26. Qf4 Qxf4+ 27. Nxf4 Nd6 28. b4 Nd7 29. Nd3 b6 30. g4 g6 31. fxg6 hxg6 32. Kb2 g5 33. Kb3 f6 34. c4 Kf8 35. a4 Ke7 36. c5 bxc5 37. bxc5 Ne8 38. Kb4 Kd8 39. Ka5 Nc7 40. Bb7 Nb8 41. Kb6 Nd7+ 42. Ka7 a5 43. Be4 Nf8 44. Kb6 Nfe6 45. Kxa5 Nd4 1-0

[Event "World U20-ch11 Final D"]
[Site "Athens"]
[Date "1971.08.06"]
[Round "3"]
[White "Kwan, Ka Kin"]
[Black "Pena, Virginio Serrano"]
[Result "1/2-1/2"]
[ECO "C50"]
[PlyCount "68"]
[EventDate "1971.08.02"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "GRE"]
[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. d3 Nf6 5. Nc3 d6 6. 0-0 h6 7. Na4 Bb6 8. Nxb6 axb6 9. c3 Na5 10. Bb5+ Bd7 11. Bxd7+ Qxd7 12. Re1 0-0 13. Nh4 Qg4 14. Qxg4 Nxg4 15. Nf5 Nb3 16. Rb1 Rxa2 17. h3 Nf6 18. Be3 Kh7 19. Kh2 Re8 20. c4 Nd7 21. Red1 Ndc5 22. Ng3 Nd4 23. Bxd4 exd4 24. Ne2 Ne6 25. f4 c5 26. f5 Nc7 27. Nc1 Ra7 28. b4 Rea8 29. bxc5 bxc5 30. Rd2 Na6 31. Ne2 Nc7 32. Nc1 b5 33. cxb5 Rb8 34. b6 Raa8 1/2-1/2

[Event "World U20-ch11 Final D"]
[Site "Athens"]
[Date "1971.08.04"]
[Round "2"]
[White "Pena, Virginio Serrano"]
[Black "Gresh, Nohad"]
[Result "0-1"]
[ECO "A49"]
[PlyCount "72"]
[EventDate "1971.08.02"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "GRE"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. Nf3 g6 4. g3 Bg7 5. Bg2 0-0 6. 0-0 Qb6 7. d5 d6 8. Nc3 e6 9. e4 exd5 10. exd5 Re8 11. Re1 Rxe1+ 12. Qxe1 Bf5 13. Qe7 Nbd7 14. Ng5 Ne5 15. Nb5 Rd8 16. Qc7 Qxc7 17. Nxc7 a6 18. b3 Rc8 19. Nxa6 bxa6 20. Be3 Neg4 21. Rd1 h6 22. Nf3 Nxe3 23. fxe3 Ng4 24. Re1 Be4 25. Nd2 Bxg2 26. Kxg2 Bc3 27. Re2 Re8 28. Nf1 a5 29. Kf3 Ne5+ 30. Kg2 a4 31. Rc2 Bb4 32. h3 axb3 33. axb3 Ra8 34. Nd2 Bxd2 35. Rxd2 Rb8 36. Rb2 Nxc4 0-1

[Event "World U20-ch11 Final D"]
[Site "Athens"]
[Date "1971.08.02"]
[Round "1"]
[White "Gatt, Anthony"]
[Black "Pena, Virginio Serrano"]
[Result "1/2-1/2"]
[ECO "B19"]
[PlyCount "62"]
[EventDate "1971.08.02"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "GRE"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 Nd7 8. Bc4 e6 9. c3 Qc7 10. Bd3 Bxd3 11. Qxd3 Ngf6 12. Be3 Bd6 13. Ne2 0-0-0 14. a4 e5 15. dxe5 Bxe5 16. 0-0 Ng4 17. Nxe5 Ndxe5 18. Qf5+ Kb8 19. Bf4 g6 20. Qc2 Ka8 21. f3 Nf6 22. a5 Nd5 23. Qe4 Nxf4 24. Qxf4 g5 25. Qf6 Nc4 26. a6 Rhe8 27. axb7+ Qxb7 28. Rfd1 Rxd1+ 29. Rxd1 Nxb2 30. Rd8+ Rxd8 31. Qxd8+ Qb8 1/2-1/2

[Event "World U20-ch11 Preliminaries E"]
[Site "Athens"]
[Date "1971.08.01"]
[Round "7"]
[White "Piasetski, Leon David"]
[Black "Pena, Virginio Serrano"]
[Result "1-0"]
[ECO "A07"]
[PlyCount "65"]
[EventDate "1971.07.25"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "GRE"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. g3 d5 2. Bg2 Nf6 3. Nf3 e6 4. b3 Be7 5. Bb2 Nbd7 6. c4 b6 7. Qc2 Bb7 8. d3 c5 9. 0-0 Qc7 10. Nbd2 0-0 11. Rac1 d4 12. e4 e5 13. Nh4 Bd6 14. Nf5 g6 15. Nxd6 Qxd6 16. Qd1 Rac8 17. f4 Kg7 18. Rc2 Qe7 19. Bc1 h5 20. Nf3 Ng4 21. Qe1 f6 22. Nh4 Rf7 23. Bf3 f5 24. Re2 fxe4 25. Bxe4 Bxe4 26. Rxe4 Re8 27. f5 Ref8 28. Nxg6 Qd6 29. Nxf8 Qxf8 30. h3 Nh6 31. Bxh6+ Kxh6 32. Qd2+ Kh7 33. Qg5 1-0

[Event "World U20-ch11 Preliminaries E"]
[Site "Athens"]
[Date "1971.07.30"]
[Round "6"]
[White "Pena, Virginio Serrano"]
[Black "Barle, Janez"]
[Result "0-1"]
[ECO "D71"]
[PlyCount "42"]
[EventDate "1971.07.25"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "GRE"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. g3 d5 4. c5 Bg7 5. Bg2 0-0 6. Nc3 c6 7. e3 b6 8. a3 bxc5 9. dxc5 Nbd7 10. b4 Ne4 11. Nxe4 Bxa1 12. Nd2 Ba6 13. Ne2 Bg7 14. Nf3 Qc7 15. 0-0 Bc4 16. Re1 a5 17. Nfd4 axb4 18. axb4 e5 19. Nc2 Rfb8 20. Bd2 Ra2 21. Qb1 Nxc5 0-1

[Event "World U20-ch11 Preliminaries E"]
[Site "Athens"]
[Date "1971.07.29"]
[Round "5"]
[White "Wach, Slawomir"]
[Black "Pena, Virginio Serrano"]
[Result "1-0"]
[ECO "B19"]
[PlyCount "83"]
[EventDate "1971.07.25"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "GRE"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 Nd7 7. h4 h6 8. Bd3 Bxd3 9. Qxd3 e6 10. Bd2 Qc7 11. 0-0-0 0-0-0 12. Qe2 Ngf6 13. Ne5 Nxe5 14. dxe5 Nd7 15. f4 Bc5 16. Ne4 Kb8 17. Bc3 Bb6 18. Rh3 Ka8 19. Qc4 g5 20. hxg5 hxg5 21. Rxh8 Rxh8 22. Nxg5 Be3+ 23. Kb1 Nb6 24. Qd3 Nd5 25. g3 Rd8 26. Ka1 Rd7 27. Be1 Nb6 28. Qe2 Nc4 29. Rxd7 Qxd7 30. Bc3 Bb6 31. Qd3 Qxd3 32. cxd3 Ne3 33. Nxf7 Nf5 34. g4 Ne3 35. Nh6 Kb8 36. f5 exf5 37. gxf5 Nd5 38. e6 Kc8 39. Be5 Bc5 40. f6 Kd8 41. Nf5 Nxf6 42. Bxf6+ 1-0

[Event "World U20-ch11 Preliminaries E"]
[Site "Athens"]
[Date "1971.07.28"]
[Round "4"]
[White "Pena, Virginio Serrano"]
[Black "Cappello, Renato"]
[Result "0-1"]
[ECO "C00"]
[PlyCount "30"]
[EventDate "1971.07.25"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "GRE"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e6 2. b3 d5 3. Bb2 dxe4 4. Nc3 Nf6 5. Qe2 Be7 6. g4 Nc6 7. Nxe4 0-0 8. 0-0-0 a5 9. f4 a4 10. g5 Nd5 11. Qf3 axb3 12. axb3 Ba3 13. Ne2 Qe7 14. d4 Bxb2+ 15. Kxb2 Qa3+ 0-1

[Event "World U20-ch11 Preliminaries E"]
[Site "Athens"]
[Date "1971.07.27"]
[Round "3"]
[White "Karakasoglou, Alexandros"]
[Black "Pena, Virginio Serrano"]
[Result "1-0"]
[ECO "C79"]
[PlyCount "165"]
[EventDate "1971.07.25"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "GRE"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 d6 6. Bxc6+ bxc6 7. d4 Bg4 8. dxe5 Bxf3 9. Qxf3 dxe5 10. Nc3 Be7 11. Qg3 Qd7 12. Qxe5 0-0 13. Be3 Rfe8 14. Qd4 Qe6 15. f3 Rad8 16. Qa4 Rb8 17. Rab1 a5 18. a3 Nd7 19. Qd4 Bf6 20. Qd2 Nb6 21. Bxb6 cxb6 22. Rfd1 Red8 23. Qe2 Rd4 24. Rxd4 Bxd4+ 25. Kh1 Bxc3 26. bxc3 b5 27. Qd2 a4 28. Rd1 Re8 29. Qd7 Kf8 30. Qxe6 Rxe6 31. Kg1 Ke7 32. Kf2 g5 33. Ke3 f5 34. Rd4 h5 35. Kd3 f4 36. c4 c5 37. Rd5 b4 38. Rxc5 Rd6+ 39. Ke2 Ra6 40. Rb5 bxa3 41. Rb1 Rc6 42. Ra1 Rxc4 43. Kd3 Rc7 44. Rxa3 Ra7 45. Kc3 Rc7+ 46. Kb2 Rc4 47. Rc3 Rd4 48. Rc5 Kf6 49. Kc1 h4 50. c3 Rd7 51. Ra5 h3 52. gxh3 Rh7 53. Ra6+ Ke5 54. Rg6 Rxh3 55. Rxg5+ Ke6 56. Kd2 Rxf3 57. Ra5 Rf2+ 58. Kd3 Rxh2 59. Rxa4 Rh3+ 60. Kd4 Rh1 61. Ra6+ Ke7 62. e5 f3 63. Rf6 Rf1 64. c4 f2 65. Kc5 Kd7 66. Rd6+ Ke7 67. Rd2 Re1 68. Rxf2 Rxe5+ 69. Kc6 Re1 70. Rd2 Rc1 71. c5 Ke8 72. Kb6 Rb1+ 73. Kc7 Ke7 74. c6 Ke8 75. Re2+ Kf7 76. Kc8 Rb3 77. c7 Rb4 78. Re5 Kf6 79. Re1 Kf7 80. Kd7 Rd4+ 81. Kc6 Rc4+ 82. Kd6 Rd4+ 83. Kc5 1-0

[Event "World U20-ch11 Preliminaries E"]
[Site "Athens"]
[Date "1971.07.26"]
[Round "2"]
[White "Pena, Virginio Serrano"]
[Black "Haik, Aldo"]
[Result "0-1"]
[ECO "E72"]
[PlyCount "52"]
[EventDate "1971.07.25"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "GRE"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 0-0 5. e4 d6 6. Ne2 Nbd7 7. 0-0 e5 8. d5 a5 9. Nbc3 Nc5 10. Be3 Ng4 11. Bxc5 dxc5 12. h3 Nh6 13. Qd2 f5 14. f4 Nf7 15. Rad1 Nd6 16. b3 fxe4 17. Nxe4 Nxe4 18. Bxe4 Bxh3 19. Rf2 Qd7 20. Qe3 Rae8 21. fxe5 Rxf2 22. Qxf2 Bxe5 23. Qxc5 Qg4 24. Qe3 Bg7 25. Qf4 Rxe4 26. Qxg4 Bxg4 0-1

[Event "World U20-ch11 Preliminaries E"]
[Site "Athens"]
[Date "1971.07.25"]
[Round "1"]
[White "Pena, Virginio Serrano"]
[Black "Weber, Leo"]
[Result "0-1"]
[ECO "D15"]
[PlyCount "58"]
[EventDate "1971.07.25"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "GRE"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 dxc4 5. e4 b5 6. a4 b4 7. e5 bxc3 8. exf6 cxb2 9. Bxb2 Qa5+ 10. Qd2 Qxd2+ 11. Nxd2 exf6 12. Bxc4 Bb4 13. Kd1 0-0 14. Re1 Ba6 15. Rc1 Bxc4 16. Rxc4 a5 17. Re3 Rd8 18. Bc3 c5 19. Ke2 Bxc3 20. Rexc3 cxd4 21. Rxd4 Nc6 22. Rxd8+ Nxd8 23. Nb3 g5 24. Kf3 Ne6 25. Kg4 Rb8 26. Kf5 Rxb3 27. Rc8+ Kg7 28. Ra8 Rb4 29. Rxa5 Rf4# 0-1

