[Event "WchT U26 03rd"]
[Site "Graz"]
[Date "1981.08.28"]
[Round "11"]
[White "Aoyama, Yoshiaki"]
[Black "Wahyuwidayat, Erwanto"]
[Result "0-1"]
[ECO "D41"]
[PlyCount "42"]
[EventDate "1981.08.17"]
[EventType "team-swiss"]
[EventRounds "11"]
[EventCountry "AUT"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Japan"]
[BlackTeam "Indonesia"]
[WhiteTeamCountry "JPN"]
[BlackTeamCountry "INA"]

1. d4 Nf6 2. Nf3 c5 3. c4 e6 4. Nc3 d5 5. e3 Nc6 6. Be2 a6 7. cxd5 Nxd5 8. 0-0 cxd4 9. exd4 Be7 10. a3 0-0 11. Qc2 Bf6 12. Be3 Qb6 13. Na4 Qa7 14. Nc5 e5 15. Rfd1 Nxe3 16. fxe3 exd4 17. exd4 Bg4 18. Ng5 Bxg5 19. Bxg4 Nxd4 20. Qc3 Nb5 21. Qe5 Bf6 0-1

[Event "WchT U26 03rd"]
[Site "Graz"]
[Date "1981.08.26"]
[Round "9"]
[White "Wahyuwidayat, Erwanto"]
[Black "Maki, Veijo"]
[Result "0-1"]
[ECO "B89"]
[BlackElo "2320"]
[PlyCount "40"]
[EventDate "1981.08.17"]
[EventType "team-swiss"]
[EventRounds "11"]
[EventCountry "AUT"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Indonesia"]
[BlackTeam "Finland"]
[WhiteTeamCountry "INA"]
[BlackTeamCountry "FIN"]

1. e4 c5 2. Nf3 Nc6 3. Nc3 d6 4. d4 cxd4 5. Nxd4 Nf6 6. Bc4 e6 7. Be3 a6 8. Qe2 Qc7 9. f4 Be7 10. Bb3 0-0 11. 0-0-0 b5 12. f5 b4 13. fxe6 bxc3 14. exf7+ Kh8 15. Nxc6 Qxc6 16. Rdf1 cxb2+ 17. Kb1 Bg4 18. Qe1 Bh5 19. g4 Bxf7 20. g5 Bxb3 0-1

[Event "WchT U26 03rd"]
[Site "Graz"]
[Date "1981.08.25"]
[Round "8"]
[White "Janssen, Han"]
[Black "Wahyuwidayat, Erwanto"]
[Result "1-0"]
[ECO "C04"]
[WhiteElo "2255"]
[PlyCount "66"]
[EventDate "1981.08.17"]
[EventType "team-swiss"]
[EventRounds "11"]
[EventCountry "AUT"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Netherlands"]
[BlackTeam "Indonesia"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "INA"]

1. e4 e6 2. d4 d5 3. Nd2 Nc6 4. Ngf3 Nf6 5. e5 Nd7 6. Be2 f6 7. exf6 Qxf6 8. Nf1 e5 9. Ne3 e4 10. Nxd5 Qd6 11. Bc4 exf3 12. Bf4 Qe6+ 13. Kd2 Bb4+ 14. c3 Kf8 15. Qxf3 Nf6 16. Rae1 Qd7 17. Kc1 Nxd4 18. Nxf6 Nxf3 19. Nxd7+ Bxd7 20. Rd1 Bd6 21. Bxd6+ cxd6 22. gxf3 Bc6 23. Rxd6 Bxf3 24. Re1 Re8 25. Rde6 Rxe6 26. Rxe6 Bc6 27. b4 a6 28. Kd2 Bg2 29. Ke3 g6 30. f3 Kg7 31. Bd5 Rc8 32. Re7+ Kf6 33. Rf7+ Kg5 1-0

[Event "WchT U26 03rd"]
[Site "Graz"]
[Date "1981.08.23"]
[Round "7"]
[White "Morrison, Graham"]
[Black "Wahyuwidayat, Erwanto"]
[Result "1/2-1/2"]
[ECO "E99"]
[WhiteElo "2315"]
[PlyCount "143"]
[EventDate "1981.08.17"]
[EventType "team-swiss"]
[EventRounds "11"]
[EventCountry "AUT"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Scotland"]
[BlackTeam "Indonesia"]
[WhiteTeamCountry "SCO"]
[BlackTeamCountry "INA"]

1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. Be2 0-0 6. Nf3 e5 7. 0-0 Nc6 8. d5 Ne7 9. Ne1 Nd7 10. Nd3 f5 11. Bd2 Nf6 12. f3 f4 13. c5 g5 14. Rc1 Ng6 15. cxd6 cxd6 16. Nb5 Rf7 17. Qc2 Bf8 18. Nc7 Rb8 19. Ne6 Bxe6 20. dxe6 Rg7 21. Nb4 h5 22. Nd5 g4 23. Ba5 b6 24. Be1 Kh8 25. Qd3 g3 26. hxg3 Nxd5 27. exd5 fxg3 28. f4 Nxf4 29. Rxf4 exf4 30. Qf5 Qg5 31. Qxg5 Rxg5 32. Rc7 Bg7 33. Rd7 Be5 34. e7 Re8 35. Bxh5 Rxh5 36. Rd8 Kg7 37. Rxe8 Kf7 38. Ra8 Kxe7 39. Rxa7+ Kf6 40. Rd7 Bd4+ 41. Kf1 Ke5 42. Bc3 Bxc3 43. bxc3 Rh1+ 44. Ke2 Rg1 45. Kf3 Rf1+ 46. Kg4 Rf2 47. c4 Rxg2 48. Re7+ Kd4 49. Kxf4 Kxc4 50. Rb7 Rxa2 51. Kxg3 Re2 52. Rxb6 Kxd5 53. Kf3 Re5 54. Rb1 Ke6 55. Rd1 Kd7 56. Ra1 Kc6 57. Rc1+ Kb5 58. Kf4 Re2 59. Rd1 Kc5 60. Rc1+ Kd5 61. Rd1+ Ke6 62. Rd4 d5 63. Kf3 Re1 64. Rd3 Kd6 65. Re3 Ra1 66. Ke2 Kc5 67. Rh3 Ra2+ 68. Kd1 Kc4 69. Rh4+ d4 70. Rh3 Rg2 71. Rf3 Kd5 72. Rh3 1/2-1/2

[Event "WchT U26 03rd"]
[Site "Graz"]
[Date "1981.08.21"]
[Round "5"]
[White "Wahyuwidayat, Erwanto"]
[Black "Swoboda, Ernst"]
[Result "1/2-1/2"]
[ECO "B53"]
[BlackElo "2260"]
[PlyCount "112"]
[EventDate "1981.08.17"]
[EventType "team-swiss"]
[EventRounds "11"]
[EventCountry "AUT"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Indonesia"]
[BlackTeam "Austria"]
[WhiteTeamCountry "INA"]
[BlackTeamCountry "AUT"]

1. e4 c5 2. Nf3 d6 3. Nc3 Nf6 4. d4 cxd4 5. Qxd4 Nc6 6. Bb5 Bd7 7. Bxc6 Bxc6 8. Bg5 e6 9. 0-0-0 Be7 10. Rhe1 0-0 11. Qd2 h6 12. Bf4 e5 13. Bxh6 gxh6 14. Qxh6 Nh7 15. Rd3 Qc8 16. Nd2 Qe6 17. Rg3+ Bg5 18. Qxe6 fxe6 19. h4 Rxf2 20. hxg5 Rf4 21. Nc4 Rd8 22. Rd3 Rg4 23. g3 Rxg5 24. Nxd6 Nf6 25. b4 Ne8 26. Red1 Rxd6 27. Rxd6 Nxd6 28. Rxd6 Rxg3 29. Kb2 Kf7 30. Rd8 Rg8 31. Rxg8 Kxg8 32. b5 Be8 33. Kb3 Kf8 34. Kb4 Ke7 35. Nb1 Bg6 36. Nd2 b6 37. a4 Kd6 38. a5 Bh7 39. c3 Bg6 40. c4 Bh7 41. a6 Bg6 42. Kc3 Bh7 43. Kb3 Kc5 44. Kc3 Kd6 45. Kd3 Kc5 46. Kc3 Kd6 47. Kc2 Kc5 48. Kb3 Bg6 49. Kc3 Kd6 50. Kb4 Bh7 51. c5+ bxc5+ 52. Kc4 Kc7 53. Kxc5 Bg6 54. Nc4 Bxe4 55. Nxe5 Bg2 56. Nd3 Bf3 1/2-1/2

[Event "WchT U26 03rd"]
[Site "Graz"]
[Date "1981.08.20"]
[Round "4"]
[White "Groth, Morten"]
[Black "Wahyuwidayat, Erwanto"]
[Result "0-1"]
[ECO "E94"]
[WhiteElo "2235"]
[PlyCount "58"]
[EventDate "1981.08.17"]
[EventType "team-swiss"]
[EventRounds "11"]
[EventCountry "AUT"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Norway"]
[BlackTeam "Indonesia"]
[WhiteTeamCountry "NOR"]
[BlackTeamCountry "INA"]

1. c4 Nf6 2. Nf3 g6 3. Nc3 Bg7 4. d4 0-0 5. e4 d6 6. Be3 Nbd7 7. Be2 c6 8. 0-0 e5 9. Qc2 h6 10. Rad1 Qe7 11. h3 Re8 12. dxe5 dxe5 13. Na4 Nh5 14. g3 Ndf6 15. Kh2 Nxe4 16. Nh4 Nef6 17. Bc5 Qe6 18. g4 Nf4 19. Rd6 Qe7 20. Ng2 b6 21. Ba3 c5 22. Rfd1 Bb7 23. Ne3 Ne4 24. Rd7 Qh4 25. Bf1 Bc6 26. Nc3 Ng5 27. R1d5 Nf3+ 28. Kh1 Nxh3 29. Nf5 gxf5 0-1

[Event "WchT U26 03rd"]
[Site "Graz"]
[Date "1981.08.19"]
[Round "3"]
[White "Wahyuwidayat, Erwanto"]
[Black "Saeed, Nasser Ahmed"]
[Result "1-0"]
[ECO "B53"]
[BlackElo "2230"]
[PlyCount "75"]
[EventDate "1981.08.17"]
[EventType "team-swiss"]
[EventRounds "11"]
[EventCountry "AUT"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Indonesia"]
[BlackTeam "United Arab Emirates"]
[WhiteTeamCountry "INA"]
[BlackTeamCountry "UAE"]

1. e4 c5 2. Nf3 d6 3. Nc3 Nf6 4. d4 cxd4 5. Qxd4 a6 6. e5 Nc6 7. Qa4 Nd7 8. exd6 Nc5 9. Qf4 exd6 10. Bc4 Ne6 11. Qe4 Be7 12. Nd5 0-0 13. 0-0 Nc5 14. Nxe7+ Nxe7 15. Qh4 Ng6 16. Qh5 Qf6 17. Be3 Ne6 18. Rad1 Nef4 19. Bxf4 Nxf4 20. Qh4 Qxh4 21. Nxh4 Rd8 22. Rd4 g5 23. Nf3 h6 24. h4 b5 25. hxg5 Nh3+ 26. gxh3 bxc4 27. Rxc4 Bxh3 28. Re1 Rac8 29. Rxc8 Rxc8 30. gxh6 Bf5 31. c3 Be6 32. a4 Kh7 33. Ng5+ Kxh6 34. Nxe6 Re8 35. Rd1 Rxe6 36. Rd5 Kg7 37. Kf1 Re4 38. Ra5 1-0

[Event "WchT U26 03rd"]
[Site "Graz"]
[Date "1981.08.18"]
[Round "2"]
[White "Wahyuwidayat, Erwanto"]
[Black "Escalante, Rafael"]
[Result "1/2-1/2"]
[ECO "B53"]
[BlackElo "2215"]
[PlyCount "63"]
[EventDate "1981.08.17"]
[EventType "team-swiss"]
[EventRounds "11"]
[EventCountry "AUT"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Indonesia"]
[BlackTeam "Venezuela"]
[WhiteTeamCountry "INA"]
[BlackTeamCountry "VEN"]

1. e4 c5 2. Nf3 d6 3. Nc3 Nf6 4. d4 cxd4 5. Qxd4 Nc6 6. Bb5 Bd7 7. Bxc6 Bxc6 8. Bg5 e6 9. 0-0-0 Be7 10. Rhe1 Qc7 11. Qd2 0-0 12. Nd4 Rfd8 13. f4 Rab8 14. Qe2 Be8 15. g4 b5 16. Bxf6 Bxf6 17. g5 Be7 18. Qh5 b4 19. Nce2 g6 20. Qh4 Rdc8 21. Rd2 Qa5 22. Rd3 b3 23. Nxb3 Qxa2 24. Nc3 Qa6 25. Rh3 h5 26. f5 Ba4 27. Nd4 e5 28. fxg6 fxg6 29. Nf5 Bf8 30. Ng3 Rxb2 31. Kxb2 Qb6+ 32. Ka1 1/2-1/2

[Event "WchT U26 03rd"]
[Site "Graz"]
[Date "1981.08.17"]
[Round "1"]
[White "Wahyuwidayat, Erwanto"]
[Black "Dizdar, Goran"]
[Result "0-1"]
[ECO "C04"]
[BlackElo "2415"]
[PlyCount "36"]
[EventDate "1981.08.17"]
[EventType "team-swiss"]
[EventRounds "11"]
[EventCountry "AUT"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Indonesia"]
[BlackTeam "Yugoslavia"]
[WhiteTeamCountry "INA"]
[BlackTeamCountry "YUG"]

1. e4 e6 2. d4 d5 3. Nd2 Nc6 4. Ngf3 Nf6 5. e5 Nd7 6. b3 f6 7. exf6 Qxf6 8. Bb2 Bc5 9. c3 Bd6 10. Bb5 0-0 11. 0-0 e5 12. dxe5 Ndxe5 13. Kh1 Qh6 14. g3 Bg4 15. Be2 Qh5 16. Kg2 Rae8 17. h4 Nxf3 18. Bxf3 Rxf3 0-1

