[Event "World U20-ch12 Final D"]
[Site "Teeside"]
[Date "1973.08.04"]
[Round "11"]
[White "Yu Hun, Hi"]
[Black "Doucet, Christian"]
[Result "1/2-1/2"]
[ECO "B40"]
[PlyCount "115"]
[EventDate "1973.07.24"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ENG"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. b3 d5 4. exd5 exd5 5. Bb2 d4 6. Bc4 Bd6 7. Qe2+ Ne7 8. Na3 a6 9. Ng5 0-0 10. Qh5 Bf5 11. Nxf7 Rxf7 12. Qxf7+ Kh8 13. 0-0 Nbc6 14. Rae1 Qc7 15. Qh5 Rf8 16. Be6 Bg6 17. Qh3 b5 18. d3 Nb4 19. f4 Rxf4 20. Bc1 Rxf1+ 21. Rxf1 Ned5 22. Bxd5 Nxd5 23. Qf3 Ne7 24. Bf4 Bxf4 25. Qxf4 Qxf4 26. Rxf4 Kg8 27. h3 Nd5 28. Rf2 Nc3 29. Kf1 Nxa2 30. Re2 Nb4 31. Ke1 Nc6 32. Re6 Nb4 33. Kd2 Bf7 34. Re5 Bd5 35. g3 Kf7 36. h4 Kf6 37. Re8 h6 38. Rc8 Bc6 39. c3 dxc3+ 40. Kxc3 Nd5+ 41. Kd2 Ne7 42. Rc7 a5 43. Nb1 Ke6 44. Ra7 Nf5 45. Nc3 Nxg3 46. Rxg7 Nf5 47. Rg6+ Kd7 48. h5 Nd4 49. Rxh6 Nxb3+ 50. Kc2 Nd4+ 51. Kb2 a4 52. Rh7+ Ke8 53. Ra7 a3+ 54. Kb1 Kf8 55. h6 Kg8 56. Ne4 Bxe4 57. dxe4 b4 58. Rc7 1/2-1/2

[Event "World U20-ch12 Final D"]
[Site "Teeside"]
[Date "1973.08.03"]
[Round "10"]
[White "Gibellato, Francesco"]
[Black "Yu Hun, Hi"]
[Result "0-1"]
[ECO "C77"]
[PlyCount "72"]
[EventDate "1973.07.24"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ENG"]
[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 d6 5. c3 Nf6 6. d3 Be7 7. Nbd2 b5 8. Bc2 0-0 9. Nf1 h6 10. Ne3 Re8 11. Bd2 Bf8 12. Qe2 Be6 13. 0-0 Ne7 14. d4 Ng6 15. d5 Nf4 16. Qd1 Bd7 17. b3 Nh7 18. c4 Ng5 19. Nf5 Qf6 20. Nxg5 Qxg5 21. g3 Qg6 22. Kh1 Nh3 23. Nh4 Qf6 24. Be3 c5 25. dxc6 Bxc6 26. cxb5 axb5 27. Qg4 Ng5 28. Bxg5 Qxg5 29. Qxg5 hxg5 30. Nf3 Be7 31. a4 bxa4 32. bxa4 Reb8 33. Rfb1 Rxb1+ 34. Rxb1 f6 35. Ra1 Rb8 36. Ne1 Bd8 0-1

[Event "World U20-ch12 Final D"]
[Site "Teeside"]
[Date "1973.08.01"]
[Round "8"]
[White "Brunings Jie, Carlos"]
[Black "Yu Hun, Hi"]
[Result "1-0"]
[ECO "C59"]
[PlyCount "143"]
[EventDate "1973.07.24"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ENG"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Be2 h6 9. Nf3 e4 10. Ne5 Bd6 11. f4 exf3 12. Nxf3 0-0 13. 0-0 Re8 14. Nc3 Bc5+ 15. d4 Bb6 16. Kh1 Ng4 17. Bf4 c5 18. Ne5 Nxe5 19. dxe5 Bb7 20. Qe1 Bc7 21. Bh5 Bxe5 22. Bxf7+ Kxf7 23. Bxe5+ Kg8 24. Qg3 Qg5 25. Qxg5 hxg5 26. Bd6 Red8 27. Bxc5 Rd2 28. Rf2 Rad8 29. Kg1 Rxf2 30. Bxf2 Rd2 31. Rc1 a6 32. Kf1 Nc4 33. Ke1 Rd7 34. b3 Re7+ 35. Kf1 Nd2+ 36. Kg1 Kf7 37. Rd1 Ne4 38. Nxe4 Rxe4 39. Rd7+ Re7 40. Rxe7+ Kxe7 41. Bd4 g6 42. Kf2 Be4 43. c3 Bb1 44. a3 Bc2 45. b4 g4 46. Ke3 Kd6 47. c4 Kc6 48. Kd2 Bb3 49. Kc3 Bd1 50. Be5 Ba4 51. b5+ axb5 52. Kb4 Kb6 53. Bd4+ Ka6 54. Be3 Bc2 55. cxb5+ Kb7 56. a4 g3 57. hxg3 Be4 58. a5 Bxg2 59. a6+ Ka8 60. Kc5 Bf1 61. Kb4 Kb8 62. Ka5 Be2 63. b6 Bf3 64. b7 Bxb7 65. axb7 Kxb7 66. Kb5 Kc7 67. Kc5 Kd7 68. Kd5 Ke7 69. Ke5 Kf7 70. Kf4 Kg7 71. Kg5 Kh8 72. Kxg6 1-0

[Event "World U20-ch12 Final D"]
[Site "Teeside"]
[Date "1973.07.31"]
[Round "7"]
[White "Yu Hun, Hi"]
[Black "De Jonghe, Bruno"]
[Result "0-1"]
[ECO "E61"]
[PlyCount "64"]
[EventDate "1973.07.24"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ENG"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 Nf6 6. Nge2 0-0 7. 0-0 d6 8. d4 Bd7 9. d5 Ne7 10. Bd2 Qc8 11. Re1 Bh3 12. Ne4 Nh5 13. N2c3 Bh6 14. Bf3 f5 15. Bxh5 fxe4 16. Be2 Qf5 17. Bf1 Bg4 18. Be2 Qxf2+ 19. Kh1 Bf3+ 20. Bxf3 exf3 21. Rg1 Bxe3 22. Bxe3 Qxe3 23. Re1 Qh6 24. Rf1 Qe3 25. Re1 Qf2 26. Rg1 Rf5 27. g4 Rf4 28. Qd3 Raf8 29. Nb5 Qh4 30. Nxc7 f2 31. Rgf1 Rf3 32. Qd2 Rh3 0-1

[Event "World U20-ch12 Final D"]
[Site "Teeside"]
[Date "1973.07.29"]
[Round "6"]
[White "Lauri, Joseph"]
[Black "Yu Hun, Hi"]
[Result "0-1"]
[ECO "A60"]
[PlyCount "118"]
[EventDate "1973.07.24"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ENG"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 c5 4. d5 exd5 5. cxd5 d6 6. Bg2 g6 7. e4 Bg7 8. Ne2 Nbd7 9. 0-0 b6 10. Nbc3 0-0 11. Bf4 Qe7 12. Qd2 Re8 13. Nb5 Ne5 14. Bxe5 dxe5 15. d6 Rd8 16. dxe7 Rxd2 17. Rfd1 Rd7 18. Rxd7 Bxd7 19. Rd1 Re8 20. Nxa7 Rxe7 21. Nc3 Bf8 22. Nab5 Re8 23. Nc7 Rb8 24. N7d5 Nxd5 25. Nxd5 Be6 26. a3 b5 27. Bf3 Kg7 28. Kg2 c4 29. Nc7 Kf6 30. Nxe6 Kxe6 31. Be2 Rc8 32. Rc1 Kd6 33. Kf3 Kc5 34. Ke3 Kb6 35. Kf3 Bc5 36. Rc2 Ka5 37. Rd2 Bd4 38. Kg2 Rc7 39. Rc2 Ka4 40. Bd1 Kb3 41. Rd2+ Ka2 42. b3+ Kxa3 43. bxc4 Rxc4 44. Be2 Rc5 45. Rd3+ Kb2 46. Rd2+ Kc1 47. Ra2 b4 48. Kf3 Rc3+ 49. Kg2 Ra3 50. Bc4 Rxa2 51. Bxa2 f6 52. f4 Kc2 53. Kf3 b3 54. Bxb3+ Kxb3 55. g4 Kc3 56. h4 Kd3 57. g5 fxg5 58. hxg5 exf4 59. Kxf4 Be3+ 0-1

[Event "World U20-ch12 Final D"]
[Site "Teeside"]
[Date "1973.07.28"]
[Round "5"]
[White "Yu Hun, Hi"]
[Black "Santos, Luis M"]
[Result "1-0"]
[ECO "C78"]
[PlyCount "43"]
[EventDate "1973.07.24"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ENG"]
[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 b5 6. Bb3 Bb7 7. Re1 Bc5 8. c3 d6 9. d3 Qe7 10. Nbd2 Ng4 11. Re2 Na5 12. Bc2 Qe6 13. b4 Bxf2+ 14. Rxf2 Ne3 15. Ng5 Qg6 16. Bb3 0-0-0 17. Qf3 Nxb3 18. Nxb3 f6 19. Bxe3 fxg5 20. Qg4+ Kb8 21. Qxg5 Qe6 22. Raf1 1-0

[Event "World U20-ch12 Final D"]
[Site "Teeside"]
[Date "1973.07.27"]
[Round "4"]
[White "Knight, Timothy R"]
[Black "Yu Hun, Hi"]
[Result "1/2-1/2"]
[ECO "B51"]
[PlyCount "81"]
[EventDate "1973.07.24"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ENG"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nc6 4. 0-0 a6 5. Bxc6+ bxc6 6. c4 e5 7. Nc3 Nf6 8. d3 Be7 9. Bd2 0-0 10. Rb1 Qc7 11. Re1 Bg4 12. h3 Bh5 13. Bg5 a5 14. a4 h6 15. Bxf6 Bxf6 16. Qe2 Rfd8 17. Qe3 Be7 18. Ne2 Rab8 19. b3 Rb4 20. Ng3 Bg6 21. Re2 Rdb8 22. Reb2 Qd7 23. Qe2 f5 24. exf5 Bxf5 25. Nxf5 Qxf5 26. Qe4 Qxe4 27. dxe4 Bf6 28. Nd2 Kf7 29. f3 d5 30. Kf2 d4 31. Nf1 Kg6 32. g3 h5 33. h4 Kh6 34. Kg2 g5 35. hxg5+ Bxg5 36. Kf2 h4 37. Kg2 Rg8 38. Nh2 Kh5 39. Ng4 Be7 40. Rh1 Rgb8 41. Rhb1 1/2-1/2

[Event "World U20-ch12 Final D"]
[Site "Teeside"]
[Date "1973.07.26"]
[Round "3"]
[White "Yu Hun, Hi"]
[Black "Rodriguez de Castro, Ayar1111"]
[Result "0-1"]
[ECO "A30"]
[PlyCount "46"]
[EventDate "1973.07.24"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ENG"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. Nf3 Nf6 2. b3 g6 3. Bb2 Bg7 4. e3 0-0 5. Be2 c5 6. 0-0 Nc6 7. c4 d6 8. Nc3 Bd7 9. Re1 Qc8 10. Bf1 Ng4 11. h3 Nge5 12. Rb1 Re8 13. Nxe5 Bxe5 14. f4 Bf6 15. Qf3 Bh4 16. Re2 e5 17. Nd5 e4 18. Nf6+ Bxf6 19. Qf2 Bxb2 20. Rxb2 Nb4 21. Qh4 Qd8 22. Qh6 Qf6 23. g4 Qxb2 0-1

[Event "World U20-ch12 Final D"]
[Site "Teeside"]
[Date "1973.07.25"]
[Round "2"]
[White "Strugo, Victor"]
[Black "Yu Hun, Hi"]
[Result "1-0"]
[ECO "A14"]
[PlyCount "95"]
[EventDate "1973.07.24"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ENG"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. g3 c5 4. Bg2 Nc6 5. 0-0 Be7 6. b3 0-0 7. Bb2 d5 8. e3 Re8 9. d3 Bf8 10. Nc3 b6 11. Nh4 Bb7 12. f4 g6 13. Qe2 Bg7 14. Nd1 Qe7 15. g4 dxc4 16. dxc4 Nb4 17. Bxb7 Qxb7 18. a3 Nc6 19. Nf2 Ne7 20. g5 Ne4 21. Bxg7 Kxg7 22. Ng4 Ng8 23. Rad1 Kf8 24. Rd3 Qe7 25. Rfd1 Rad8 26. Ne5 Rxd3 27. Rxd3 Nxg5 28. Qg4 f5 29. Qxg5 Qxg5+ 30. fxg5 Re7 31. Nhxg6+ hxg6 32. Nxg6+ Ke8 33. Nxe7 Kxe7 34. Kg2 e5 35. h4 Ke6 36. Kg3 e4 37. Rd8 Ne7 38. Re8 Kd7 39. Rxe7+ Kxe7 40. Kf4 Ke6 41. h5 a6 42. h6 Kf7 43. Kxf5 b5 44. g6+ Kg8 45. Kf6 a5 46. cxb5 a4 47. b6 axb3 48. b7 1-0

[Event "World U20-ch12 Final D"]
[Site "Teeside"]
[Date "1973.07.24"]
[Round "1"]
[White "Yu Hun, Hi"]
[Black "Sinclair, Ian"]
[Result "0-1"]
[ECO "A25"]
[PlyCount "92"]
[EventDate "1973.07.24"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ENG"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 d6 6. Nge2 Be6 7. d3 Qd7 8. Qb3 Nge7 9. Nd5 Nd8 10. 0-0 0-0 11. e4 c6 12. Nxe7+ Qxe7 13. Be3 f5 14. Qc2 fxe4 15. dxe4 c5 16. Rfd1 Nc6 17. Rac1 Nd4 18. Qd2 Bg4 19. Re1 Nxe2+ 20. Rxe2 Bxe2 21. Qxe2 a6 22. Qd2 Rfd8 23. Bg5 Bf6 24. Qd5+ Kg7 25. Bxf6+ Kxf6 26. Bh3 Qf7 27. Qd2 Kg7 28. f4 b5 29. Qc3 Qxc4 30. Qxc4 bxc4 31. Rxc4 exf4 32. gxf4 d5 33. Rxc5 dxe4 34. Rc2 e3 35. Kf1 Rd2 36. Rxd2 exd2 37. Ke2 Rd8 38. Kd1 a5 39. b3 Kf6 40. a3 g5 41. fxg5+ Kxg5 42. b4 axb4 43. axb4 Kf4 44. b5 Ke3 45. Bg4 Rd4 46. Be2 Rb4 0-1

[Event "World U20-ch12 Preliminaries A"]
[Site "Teeside"]
[Date "1973.07.22"]
[Round "7"]
[White "Gibellato, Francesco"]
[Black "Yu Hun, Hi"]
[Result "1-0"]
[ECO "C86"]
[PlyCount "69"]
[EventDate "1973.07.16"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "ENG"]
[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. Qe2 Be7 6. 0-0 b5 7. Bb3 d6 8. c3 0-0 9. d4 Bg4 10. Rd1 Na5 11. dxe5 Nxb3 12. axb3 Nd7 13. exd6 Bxd6 14. Nbd2 Qe8 15. h3 Bh5 16. Re1 f6 17. g4 Bf7 18. b4 c5 19. bxc5 Nxc5 20. Nd4 Qd7 21. Nf5 Bf4 22. Nf1 Bc4 23. Qf3 Bxc1 24. Raxc1 Nd3 25. Red1 Rad8 26. Qe3 Qc7 27. Rb1 Ne5 28. Rd4 Nc6 29. Rxd8 Rxd8 30. Qc5 Kh8 31. N1e3 Bd3 32. Rd1 Bxe4 33. Rxd8+ Qxd8 34. Nd6 Qd7 35. Nxe4 1-0

[Event "World U20-ch12 Preliminaries A"]
[Site "Teeside"]
[Date "1973.07.21"]
[Round "6"]
[White "Yu Hun, Hi"]
[Black "Camps, Ronald D"]
[Result "1-0"]
[ECO "C42"]
[PlyCount "79"]
[EventDate "1973.07.16"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "ENG"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. d3 Nf6 7. Bg5 Be6 8. Nd4 h6 9. Nxe6 fxe6 10. Bxf6 Qxf6 11. Nc3 Nc6 12. 0-0-0 0-0-0 13. Kb1 Be7 14. g3 g5 15. h4 Rhf8 16. hxg5 hxg5 17. Ne4 Qe5 18. Rh2 Nd4 19. Qg4 d5 20. Nc3 Rd6 21. Ne2 Nxe2 22. Qxe2 Qd4 23. c3 Qa4 24. Qc2 Qa5 25. Rh7 Bf6 26. d4 c5 27. Bh3 c4 28. Re1 Qb6 29. Re2 Bd8 30. Bg4 Kb8 31. f3 a5 32. Qa4 Qa6 33. Rd7 b5 34. Rxd6 Qxd6 35. Qxb5+ Ka7 36. Rxe6 Qxe6 37. Bxe6 Bb6 38. Qxd5 Rh8 39. Qd7+ Ka6 40. Bxc4# 1-0

[Event "World U20-ch12 Preliminaries A"]
[Site "Teeside"]
[Date "1973.07.20"]
[Round "5"]
[White "Yu Hun, Hi"]
[Black "Akkari, Safwan"]
[Result "0-1"]
[ECO "E67"]
[PlyCount "86"]
[EventDate "1973.07.16"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "ENG"]
[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. c4 Nbd7 7. Nc3 Re8 8. Bg5 h6 9. Bd2 e5 10. d5 e4 11. Nd4 a5 12. Qc1 Kh7 13. e3 Nc5 14. Qc2 Bg4 15. h3 Bd7 16. Nde2 Qc8 17. Kh2 Re5 18. Rh1 a4 19. Nf4 g5 20. Nfe2 h5 21. f4 gxf4 22. exf4 Re7 23. Be3 Bf5 24. Rad1 Kg8 25. Rhf1 a3 26. b3 Qd7 27. Nd4 Bg4 28. Rb1 Rae8 29. Qd2 Bf3 30. Bxf3 exf3 31. Rxf3 Nfe4 32. Nxe4 Nxe4 33. Qc1 Bxd4 34. Bxd4 Nd2 35. Qxd2 Re2+ 36. Rf2 Rxd2 37. Rxd2 Qf5 38. Rbd1 Kh7 39. Rg2 b5 40. Rdd2 bxc4 41. bxc4 Re1 42. Bc3 Qb1 43. g4 h4 0-1

[Event "World U20-ch12 Preliminaries A"]
[Site "Teeside"]
[Date "1973.07.19"]
[Round "4"]
[White "Kwan, Ka Kin"]
[Black "Yu Hun, Hi"]
[Result "1-0"]
[ECO "C52"]
[PlyCount "49"]
[EventDate "1973.07.16"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "ENG"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. d4 exd4 7. 0-0 d6 8. cxd4 Bg4 9. Bb2 Nf6 10. Qb3 Qd7 11. Ng5 Bh5 12. e5 d5 13. Bd3 Ne4 14. Bxe4 dxe4 15. e6 fxe6 16. Nxe6 Bf7 17. d5 Bxe6 18. dxe6 Qc8 19. Ba3 Bb6 20. Nc3 Nd4 21. Qa4+ c6 22. Rae1 Nxe6 23. Qxe4 Kf7 24. Qf5+ Ke8 25. Rxe6+ 1-0

[Event "World U20-ch12 Preliminaries A"]
[Site "Teeside"]
[Date "1973.07.18"]
[Round "3"]
[White "Yu Hun, Hi"]
[Black "Rodriguez de Castro, Ayar1111"]
[Result "0-1"]
[ECO "A06"]
[PlyCount "44"]
[EventDate "1973.07.16"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "ENG"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. Nf3 Nf6 2. b3 d5 3. Bb2 c5 4. d4 e6 5. dxc5 Bxc5 6. e3 0-0 7. Be2 Nc6 8. Nbd2 Re8 9. 0-0 e5 10. h3 e4 11. Nd4 h6 12. c4 Bd6 13. cxd5 Nxd5 14. Nxc6 bxc6 15. a3 Qg5 16. Bg4 Nxe3 17. fxe3 Qxe3+ 18. Kh1 Qg3 19. Kg1 Qh2+ 20. Kf2 Bc5+ 21. Ke2 Qxg2+ 22. Ke1 Qg3+ 0-1

[Event "World U20-ch12 Preliminaries A"]
[Site "Teeside"]
[Date "1973.07.17"]
[Round "2"]
[White "Garcia, Gildardo"]
[Black "Yu Hun, Hi"]
[Result "1-0"]
[ECO "C18"]
[PlyCount "45"]
[EventDate "1973.07.16"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "ENG"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Qg4 Kf8 8. Nf3 Qc7 9. Bd3 cxd4 10. cxd4 Qc3+ 11. Ke2 h5 12. Qg3 Nbc6 13. Be3 h4 14. Qf4 Nf5 15. g4 Nxe3 16. fxe3 Ke8 17. Rhf1 Kd7 18. Qxf7+ Ne7 19. Nxh4 a6 20. Ng6 Re8 21. Qxg7 Qc7 22. Rf8 Rxf8 23. Qxe7+ 1-0

[Event "World U20-ch12 Preliminaries A"]
[Site "Teeside"]
[Date "1973.07.16"]
[Round "1"]
[White "Yu Hun, Hi"]
[Black "Dieks, Roy G"]
[Result "0-1"]
[ECO "E34"]
[PlyCount "102"]
[EventDate "1973.07.16"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "ENG"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. Bd2 0-0 6. Nf3 c5 7. e3 Nc6 8. a3 cxd4 9. exd4 Be7 10. c5 b6 11. b4 bxc5 12. bxc5 Re8 13. Bb5 Bd7 14. Bxc6 Bxc6 15. Ne5 Qc7 16. 0-0 Nd7 17. f4 f6 18. Nxc6 Qxc6 19. Rf3 Rad8 20. Qa4 Qxa4 21. Nxa4 Nb8 22. Re3 Nc6 23. Bc3 e5 24. Rae1 exd4 25. Bxd4 Kf7 26. Bb2 d4 27. Rd3 f5 28. Red1 Bf6 29. Kf2 Rb8 30. Rc1 Re4 31. g3 Rb5 32. Rc4 Ke6 33. Rc2 Ra5 34. Nb6 axb6 35. cxb6 Kd7 36. a4 Rxa4 37. Ra3 Rxa3 38. Bxa3 d3 39. Rd2 Bd4+ 40. Kf1 Re3 41. Bc1 Bc3 42. Rd1 d2 43. Bxd2 Rd3 44. Ke2 Rxd2+ 45. Rxd2+ Bxd2 46. Kxd2 Nd4 47. Ke3 Ne6 48. h3 Kc6 49. g4 g6 50. Kf3 Kxb6 51. h4 h5 0-1

