[Event "World U20-ch19"]
[Site "Dortmund"]
[Date "1980.08.31"]
[Round "13"]
[White "Weider, Dariusz"]
[Black "Santo Roman, Marc"]
[Result "1-0"]
[ECO "A05"]
[PlyCount "74"]
[EventDate "1980.08.17"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "GER"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. Nf3 Nf6 2. b3 g6 3. Bb2 Bg7 4. g3 0-0 5. Bg2 d5 6. 0-0 c5 7. d4 Nfd7 8. e3 Nc6 9. Nbd2 b6 10. c4 e6 11. Re1 Ba6 12. Bf1 Bb7 13. Rc1 Rc8 14. cxd5 exd5 15. Ba3 Qe7 16. Nb1 Nb4 17. Nc3 Rfd8 18. Bg2 Nf6 19. Bh3 Rb8 20. dxc5 bxc5 21. Na4 Ne4 22. Rxc5 Na6 23. Rxd5 Qe8 24. Rxd8 Rxd8 25. Qe2 Nc7 26. Bg2 Ba6 27. Qc2 Nd5 28. Nd4 Nxg3 29. Nc6 Rd7 30. hxg3 Bb5 31. Bxd5 Rxd5 32. Ne7+ Kh8 33. Nxd5 Bc6 34. Nf4 g5 35. Ng2 Qe6 36. Rd1 Bf6 37. Bb2 Kg7 1-0

[Event "World U20-ch19"]
[Site "Dortmund"]
[Date "1980.08.30"]
[Round "12"]
[White "Ye, Rongguang"]
[Black "Weider, Dariusz"]
[Result "1/2-1/2"]
[ECO "C10"]
[PlyCount "48"]
[EventDate "1980.08.17"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "GER"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 d5 3. Bg5 e6 4. e4 dxe4 5. Nxe4 Nbd7 6. Nf3 Be7 7. Nxf6+ Nxf6 8. Bd3 0-0 9. 0-0 h6 10. Bh4 b6 11. Qe2 Bb7 12. Rad1 Nh5 13. Bxe7 Qxe7 14. Be4 Nf4 15. Qe3 Nd5 16. Qb3 c6 17. Ne5 Rfc8 18. Rfe1 Nf6 19. Bf3 c5 20. c3 Bxf3 21. Nxf3 Rd8 22. d5 Rd6 23. g3 Re8 24. dxe6 Rxe6 1/2-1/2

[Event "World U20-ch19"]
[Site "Dortmund"]
[Date "1980.08.29"]
[Round "11"]
[White "Weider, Dariusz"]
[Black "Shrentzel, Mordechai"]
[Result "0-1"]
[ECO "E60"]
[PlyCount "58"]
[EventDate "1980.08.17"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "GER"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. Nf3 Nf6 2. b3 d6 3. d4 g6 4. Bb2 Bg7 5. g3 0-0 6. Bg2 Nbd7 7. 0-0 e5 8. dxe5 Ng4 9. c4 dxe5 10. e4 c6 11. Qc2 Re8 12. b4 a5 13. a3 axb4 14. axb4 Rxa1 15. Bxa1 Bf8 16. Bc3 Nh6 17. Nbd2 f6 18. Ne1 Nf7 19. Nd3 Bg7 20. b5 Nf8 21. Ra1 Ne6 22. Ra8 c5 23. Nf1 Bh6 24. Nb2 Qc7 25. Nd1 Nd4 26. Qa2 Nd6 27. Nde3 Be6 28. Ra7 N6xb5 29. Ng4 Bg7 0-1

[Event "World U20-ch19"]
[Site "Dortmund"]
[Date "1980.08.27"]
[Round "10"]
[White "Faseyitan, Olufemi"]
[Black "Weider, Dariusz"]
[Result "0-1"]
[ECO "E19"]
[PlyCount "102"]
[EventDate "1980.08.17"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "GER"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Bb7 5. Bg2 Be7 6. 0-0 0-0 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 d6 10. b4 c5 11. bxc5 dxc5 12. Bb2 Bf6 13. e3 cxd4 14. exd4 Qc7 15. Ne5 Bxg2 16. Kxg2 Bxe5 17. dxe5 Nd7 18. a4 Nc5 19. a5 bxa5 20. Kg1 Rfc8 21. Qxa5 Nd3 22. Qxc7 Rxc7 23. Bd4 Rxc4 24. Bxa7 g5 25. Be3 Rxa1 26. Rxa1 Nxe5 27. Kg2 h6 28. h3 Kg7 29. Ra5 Nc6 30. Ra2 Kg6 31. Ra1 e5 32. Rc1 Rxc1 33. Bxc1 f5 34. g4 h5 35. f3 h4 36. gxf5+ Kxf5 37. Be3 Nd4 38. Bd2 Ne6 39. Be3 Nf4+ 40. Kh2 Ke6 41. Bc5 Nd3 42. Bb6 Ne1 43. Kg1 Nxf3+ 44. Kf2 e4 45. Be3 Kf5 46. Bb6 Ne5 47. Bd8 Nd3+ 48. Kg2 Nf4+ 49. Kh2 e3 50. Ba5 Ke4 51. Kg1 Kf3 0-1

[Event "World U20-ch19"]
[Site "Dortmund"]
[Date "1980.08.26"]
[Round "9"]
[White "Weider, Dariusz"]
[Black "Sequera Paolini, Jose Rafael"]
[Result "1/2-1/2"]
[ECO "A36"]
[PlyCount "22"]
[EventDate "1980.08.17"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "GER"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. c4 c5 2. Nf3 Nc6 3. g3 g6 4. Bg2 Bg7 5. 0-0 e6 6. Nc3 Nge7 7. e3 d5 8. cxd5 exd5 9. d4 cxd4 10. Nxd4 Nxd4 11. exd4 0-0 1/2-1/2

[Event "World U20-ch19"]
[Site "Dortmund"]
[Date "1980.08.25"]
[Round "8"]
[White "Weider, Dariusz"]
[Black "Borg, Geoffrey D"]
[Result "1/2-1/2"]
[ECO "A06"]
[PlyCount "42"]
[EventDate "1980.08.17"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "GER"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. Nf3 Nf6 2. b3 d5 3. Bb2 c5 4. e3 a6 5. Be2 Nc6 6. d4 Bf5 7. 0-0 e6 8. Nbd2 cxd4 9. Nxd4 Nxd4 10. Bxd4 Bd6 11. c4 0-0 12. cxd5 exd5 13. Nf3 Be4 14. Bd3 Qe7 15. Qe2 Ng4 16. h3 Ne5 17. Nxe5 Bxe5 18. Bxe5 Qxe5 19. Rac1 Rac8 20. Rfd1 h6 21. Rc2 Qe6 1/2-1/2

[Event "World U20-ch19"]
[Site "Dortmund"]
[Date "1980.08.24"]
[Round "7"]
[White "Belkhodja, Slim"]
[Black "Weider, Dariusz"]
[Result "0-1"]
[ECO "B33"]
[PlyCount "86"]
[EventDate "1980.08.17"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "GER"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Nd5 Nxd5 8. exd5 Nb8 9. c4 Be7 10. Be2 0-0 11. 0-0 a6 12. Nc3 f5 13. f4 Bf6 14. Qc2 Nd7 15. Kh1 exf4 16. Bxf4 Ne5 17. Rae1 Bd7 18. c5 dxc5 19. Bxa6 Rxa6 20. Bxe5 b5 21. Bxf6 Qxf6 22. Ne4 Qd4 23. Qxc5 Qxb2 24. d6 Qxa2 25. Ng5 Qd2 26. Ne6 Ra2 27. Nf4 Rc2 28. Qa3 Rc4 29. Qb3 Qxd6 30. Rd1 Qe7 31. Nd5 Qf7 32. Nb6 Rc7 33. Qd3 Bc6 34. Rfe1 Be4 35. Qxb5 Qg6 36. Re2 Rb8 37. Qb3+ Kh8 38. Nc4 Rcc8 39. Qa4 Qg4 40. Red2 h6 41. Kg1 Bc6 42. Qa2 Ra8 43. Na5 Bxg2 0-1

[Event "World U20-ch19"]
[Site "Dortmund"]
[Date "1980.08.23"]
[Round "6"]
[White "Weider, Dariusz"]
[Black "Corral Blanco, Juan Antonio"]
[Result "0-1"]
[ECO "A36"]
[PlyCount "98"]
[EventDate "1980.08.17"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "GER"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 c5 3. e4 d6 4. g3 Nc6 5. Bg2 g6 6. Nge2 Bg7 7. 0-0 0-0 8. d3 Ne8 9. Be3 Nd4 10. Qd2 Nc7 11. Bh6 Nce6 12. Bxg7 Kxg7 13. f4 Qa5 14. f5 Nxe2+ 15. Qxe2 Nd4 16. Qg4 Qd8 17. Nd5 f6 18. Qd1 e6 19. fxe6 Bxe6 20. Nc3 Qe7 21. Qd2 Bd7 22. Rf2 Qe5 23. Raf1 Bc6 24. Nd1 Rae8 25. b4 b6 26. b5 Bb7 27. a4 Re7 28. Ne3 Qg5 29. Rf4 h5 30. h4 Qe5 31. g4 Ref7 32. Kh1 Bc8 33. gxh5 Qxh5 34. Bf3 Qh6 35. Qh2 Ne6 36. Nf5+ gxf5 37. Rxf5 Ng5 38. hxg5 Qxh2+ 39. Kxh2 Bxf5 40. exf5 fxg5 41. Be4 Kf6 42. a5 Rh7+ 43. Kg3 Rfh8 44. axb6 Rh3+ 45. Kg2 Rh2+ 46. Kg1 axb6 47. Ra1 Rb2 48. Ra6 Rhh2 49. Rxb6 Rhd2 0-1

[Event "World U20-ch19"]
[Site "Dortmund"]
[Date "1980.08.21"]
[Round "5"]
[White "Canda, Danilo"]
[Black "Weider, Dariusz"]
[Result "1/2-1/2"]
[ECO "B33"]
[PlyCount "110"]
[EventDate "1980.08.17"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "GER"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. a4 a6 8. Na3 Be6 9. Nc4 Be7 10. Bg5 0-0 11. Bxf6 Bxf6 12. Qxd6 Bg5 13. Qxd8 Raxd8 14. Rd1 Rxd1+ 15. Nxd1 Nd4 16. Nce3 Bd7 17. b3 Bc6 18. Bd3 Rd8 19. Nb2 Bxe3 20. fxe3 Ne6 21. Nd1 Nc5 22. Nf2 Kf8 23. Ke2 Ke7 24. a5 f6 25. g4 h5 26. h3 Ne6 27. b4 hxg4 28. hxg4 Ng5 29. c4 Bd7 30. Rh4 Rb8 31. Nd1 Be6 32. Nc3 Rc8 33. c5 Rd8 34. Nd5+ Bxd5 35. exd5 Rxd5 36. c6 bxc6 37. Bxa6 Rd8 38. Bb7 Kd6 39. a6 Kc7 40. Rh1 Kb6 41. Rc1 Rd6 42. Bxc6 Kxa6 43. Ra1+ Kb6 44. b5 Ne6 45. Ra6+ Kc5 46. Ra7 g6 47. Re7 Kb6 48. Rb7+ Kc5 49. Be8 f5 50. Bxg6 fxg4 51. Bf5 Nd8 52. Rb8 g3 53. Kf3 Rf6 54. Rxd8 Rxf5+ 55. Kxg3 e4 1/2-1/2

[Event "World U20-ch19"]
[Site "Dortmund"]
[Date "1980.08.20"]
[Round "4"]
[White "Weider, Dariusz"]
[Black "Valkesalmi, Kimmo"]
[Result "1/2-1/2"]
[ECO "B22"]
[PlyCount "51"]
[EventDate "1980.08.17"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "GER"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 Nf6 4. e5 Nd5 5. Nf3 Nc6 6. cxd4 d6 7. Bc4 Nb6 8. Bb5 dxe5 9. Nxe5 Bd7 10. Bxc6 Bxc6 11. Nxc6 bxc6 12. 0-0 g6 13. Be3 Bg7 14. Nc3 0-0 15. Rc1 e6 16. Na4 Qd5 17. Nc3 Qa5 18. Qe2 Rfd8 19. Rfd1 Nd5 20. a3 Ne7 21. Ne4 Qb5 22. Qc2 Nf5 23. Nc3 Qa6 24. Ne2 Rab8 25. Rd2 Rb6 26. Qc4 1/2-1/2

[Event "World U20-ch19"]
[Site "Dortmund"]
[Date "1980.08.19"]
[Round "3"]
[White "Fowler, John"]
[Black "Weider, Dariusz"]
[Result "1/2-1/2"]
[ECO "B33"]
[PlyCount "19"]
[EventDate "1980.08.17"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "GER"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nxc6 bxc6 7. Bc4 Bb4 8. Bg5 Bxc3+ 9. bxc3 Qa5 10. Qf3 1/2-1/2

[Event "World U20-ch19"]
[Site "Dortmund"]
[Date "1980.08.18"]
[Round "2"]
[White "Weider, Dariusz"]
[Black "Karolyi, Tibor Jr"]
[Result "1/2-1/2"]
[ECO "A30"]
[PlyCount "50"]
[EventDate "1980.08.17"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "GER"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. Nf3 c5 2. g3 b6 3. Bg2 Bb7 4. 0-0 Nf6 5. c4 g6 6. b3 Bg7 7. Bb2 0-0 8. e3 d5 9. d4 dxc4 10. bxc4 cxd4 11. exd4 Nc6 12. Nbd2 Rc8 13. Rc1 Na5 14. d5 Ba6 15. Bh3 Ra8 16. Re1 b5 17. Ba3 Re8 18. cxb5 Bb7 19. d6 exd6 20. Rxe8+ Nxe8 21. Qa4 Bd5 22. Bg2 Qb6 23. Nf1 Bh6 24. Rd1 Bc4 25. Nd4 d5 1/2-1/2

[Event "World U20-ch19"]
[Site "Dortmund"]
[Date "1980.08.17"]
[Round "1"]
[White "Zabihi, A."]
[Black "Weider, Dariusz"]
[Result "1-0"]
[ECO "E19"]
[PlyCount "139"]
[EventDate "1980.08.17"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "GER"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. d4 b6 4. g3 Bb7 5. Bg2 Be7 6. 0-0 0-0 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 d6 10. b3 c5 11. Rd1 Nc6 12. Bb2 Bf6 13. Qc2 Nb4 14. Qd2 Rc8 15. a3 Nc6 16. e4 Na5 17. Qc2 Qc7 18. dxc5 dxc5 19. Bxf6 gxf6 20. h4 Rfd8 21. Nh2 Nc6 22. Ng4 Qe7 23. Rxd8+ Rxd8 24. Qc1 Ne5 25. Qf4 Nxg4 26. Qxg4+ Kh8 27. Rd1 Rd4 28. Rxd4 cxd4 29. Qf4 e5 30. Qf3 Bc8 31. h5 Kg7 32. b4 Qd7 33. Qd3 Bb7 34. f3 Qa4 35. Bf1 a5 36. b5 Bc8 37. Be2 Be6 38. f4 Bxc4 39. Qxc4 Qxa3 40. Kg2 exf4 41. gxf4 Qe3 42. Qd3 Qxf4 43. Qxd4 Qg5+ 44. Kf2 Qf4+ 45. Bf3 Qh2+ 46. Kf1 Qf4 47. Ke2 Qh2+ 48. Kd1 Qg3 49. Be2 Qb3+ 50. Kd2 a4 51. Bd3 a3 52. h6+ Kg6 53. e5+ f5 54. Qxb6+ Kh5 55. Be2+ Kg5 56. Qd8+ Kf4 57. Qd4+ Kg5 58. Qc3 Qd5+ 59. Kc2 Qa2+ 60. Kd1 Qd5+ 61. Kc1 Qe4 62. Bd1 Qf4+ 63. Kb1 Kxh6 64. Ka2 Qf1 65. Qb3 Qe1 66. b6 Qxe5 67. b7 Qb8 68. Qxf7 Kg5 69. Qd7 f4 70. Qc8 1-0

[Event "Jelenia Gora U26 4th"]
[Site "Jelenia Gora"]
[Date "1980.??.??"]
[Round "4"]
[White "Cummings, David H"]
[Black "Weider, Dariusz"]
[Result "1/2-1/2"]
[ECO "E12"]
[WhiteElo "2265"]
[PlyCount "95"]
[EventDate "1980.06.16"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 b6 3. d4 e6 4. a3 Bb7 5. Nc3 Ne4 6. Nxe4 Bxe4 7. e3 d5 8. Bd3 Bxd3 9. Qxd3 a5 10. b3 Bd6 11. 0-0 0-0 12. e4 c6 13. Bb2 Be7 14. Rac1 Ra7 15. Rc2 f6 16. Re1 Rf7 17. exd5 exd5 18. Rce2 Rd7 19. h4 Qc7 20. h5 Bf8 21. Nh4 c5 22. cxd5 Rxd5 23. Qf3 Qd7 24. dxc5 Bxc5 25. Re8+ Rf8 26. Rxf8+ Bxf8 27. h6 Nc6 28. hxg7 Bxg7 29. Bxf6 Bxf6 30. Qxf6 Rd1 31. Rxd1 Qxd1+ 32. Kh2 Qd5 33. Nf5 Qe5+ 34. Qxe5 Nxe5 35. Kg3 Nd3 36. a4 Kf7 37. Nd6+ Ke6 38. Nc4 Nc5 39. Nd2 Ke5 40. f4+ Kf5 41. Kf3 h5 42. g3 Ne6 43. Ke3 Nc5 44. Nc4 Nxb3 45. Nxb6 Kg4 46. Nd7 Kf5 47. Kf3 Nd4+ 48. Kf2 1/2-1/2

[Event "Jelenia Gora U26 4th"]
[Site "Jelenia Gora"]
[Date "1980.??.??"]
[Round "3"]
[White "Hawelko, Marek"]
[Black "Weider, Dariusz"]
[Result "1-0"]
[ECO "A50"]
[WhiteElo "2225"]
[PlyCount "113"]
[EventDate "1980.06.16"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 b6 4. e4 d5 5. cxd5 exd5 6. e5 Ne4 7. Bd3 Bb7 8. Nge2 c5 9. 0-0 Be7 10. Bb5+ Bc6 11. dxc5 Nxc3 12. Nxc3 d4 13. cxb6 axb6 14. Qf3 Qd7 15. Bxc6 Nxc6 16. Nd5 Rb8 17. Bf4 0-0 18. Rac1 Nb4 19. Nxb4 Bxb4 20. Qb3 Qf5 21. Bg3 Bc5 22. Rfd1 Rbd8 23. Qd3 Qe6 24. Qc4 Rc8 25. Qxe6 fxe6 26. Kf1 Be7 27. Ke2 Rc5 28. h4 g5 29. hxg5 Bxg5 30. Rxc5 bxc5 31. Kd3 h5 32. f3 h4 33. Bh2 Kh7 34. b3 h3 35. Ke4 hxg2 36. Rg1 d3 37. f4 d2 38. Rd1 Kg6 39. fxg5 Rf1 40. Rxd2 g1Q 41. Bxg1 Rxg1 42. Rc2 Re1+ 43. Kd3 Rxe5 44. Re2 c4+ 45. bxc4 Rxg5 46. Rxe6+ Kf7 47. Re2 Ra5 48. Kd4 Rh5 49. c5 Rh1 50. Kd5 Rd1+ 51. Kc6 Ra1 52. Kc7 Rc1 53. c6 Rc4 54. Kd7 Rd4+ 55. Kc8 Rc4 56. c7 Kf8 57. Re5 1-0

[Event "Jelenia Gora U26 4th"]
[Site "Jelenia Gora"]
[Date "1980.??.??"]
[Round "12"]
[White "Lalic, Nedim"]
[Black "Weider, Dariusz"]
[Result "1/2-1/2"]
[ECO "D03"]
[PlyCount "89"]
[EventDate "1980.06.16"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bg5 Be7 4. Nbd2 d5 5. e3 0-0 6. Bd3 c5 7. c3 h6 8. Bh4 b6 9. Ne5 Nfd7 10. Bxe7 Qxe7 11. Nxd7 Nxd7 12. f4 c4 13. Bc2 b5 14. 0-0 f5 15. Nf3 Bb7 16. Kh1 h5 17. Ng5 Nf6 18. Nf3 Bc6 19. Ne5 Be8 20. Qe1 Nd7 21. Nf3 g6 22. a4 Nf6 23. axb5 Bxb5 24. Ne5 Qg7 25. h3 Nd7 26. Nf3 Rfb8 27. Ng5 Nf8 28. Ra5 Bd7 29. Qa1 Rb7 30. Ra6 Nh7 31. Nf3 g5 32. fxg5 Nxg5 33. Ne5 Qe7 34. Qe1 Bb5 35. Ra2 Be8 36. Qg3 Qg7 37. Qf4 Rab8 38. h4 Rxb2 39. Rxb2 Rxb2 40. hxg5 Rxc2 41. Rb1 Qc7 42. g6 Rxc3 43. Qg5 Rb3 44. Ra1 Rb7 45. Kh2 1/2-1/2

[Event "Jelenia Gora U26 4th"]
[Site "Jelenia Gora"]
[Date "1980.??.??"]
[Round "6"]
[White "Paehtz, Thomas Sr"]
[Black "Weider, Dariusz"]
[Result "1-0"]
[ECO "E12"]
[PlyCount "67"]
[EventDate "1980.06.16"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bf4 b6 4. e3 Bb7 5. h3 Be7 6. c4 0-0 7. Nc3 d5 8. cxd5 Nxd5 9. Nxd5 Bxd5 10. Bd3 Bb4+ 11. Ke2 Bd6 12. Bxd6 Qxd6 13. Qc2 h6 14. Rac1 Rc8 15. Ne5 c5 16. Bh7+ Kf8 17. Bg6 Rc7 18. Be4 Nc6 19. Bxd5 Qxd5 20. Qh7 cxd4 21. Qh8+ Ke7 22. Qxg7 Qb5+ 23. Kd1 Nxe5 24. Rxc7+ Kd6 25. exd4 Qd3+ 26. Kc1 Qxd4 27. Rd1 Nd3+ 28. Rxd3 Qxd3 29. Qxf7 Rd8 30. Qe7+ Ke5 31. f4+ Kxf4 32. Qf6+ Ke4 33. Qxe6+ Kd4 34. Qf6+ 1-0

[Event "Jelenia Gora U26 4th"]
[Site "Jelenia Gora"]
[Date "1980.??.??"]
[Round "10"]
[White "Radziejewski, Dariusz"]
[Black "Weider, Dariusz"]
[Result "1/2-1/2"]
[ECO "D40"]
[PlyCount "18"]
[EventDate "1980.06.16"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. d4 d5 4. cxd5 exd5 5. e3 Be7 6. Bd3 0-0 7. Nf3 c5 8. 0-0 cxd4 9. exd4 Nc6 1/2-1/2

[Event "Jelenia Gora U26 4th"]
[Site "Jelenia Gora"]
[Date "1980.??.??"]
[Round "8"]
[White "Swic, Waldemar"]
[Black "Weider, Dariusz"]
[Result "1/2-1/2"]
[ECO "B33"]
[WhiteElo "2370"]
[PlyCount "89"]
[EventDate "1980.06.16"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Nc3 e6 4. d4 cxd4 5. Nxd4 Nf6 6. Ndb5 d6 7. Bf4 e5 8. Bg5 a6 9. Na3 b5 10. Bxf6 gxf6 11. Nd5 f5 12. Nxb5 axb5 13. Bxb5 Bd7 14. exf5 Rb8 15. a4 Qg5 16. g4 Qh4 17. Qd3 Nd4 18. c3 Nb3 19. Bxd7+ Kxd7 20. Qc4 Qd8 21. Rd1 Be7 22. Nb4 Na5 23. Qxf7 Qg8 24. Qxg8 Rhxg8 25. h3 Nb3 26. Nd5 Bd8 27. Ke2 Ra8 28. Kd3 Nc5+ 29. Kc2 Nxa4 30. Ra1 Nb6 31. Rxa8 Nxa8 32. Ra1 Nc7 33. Ra7 Kc6 34. Rxc7+ Kxd5 35. Rxh7 Ke4 36. Rd7 Kf3 37. Rxd6 e4 38. f6 Kxf2 39. Re6 e3 40. Kd3 Bc7 41. f7 Rd8+ 42. Kc2 e2 43. Re8 Bd6 44. Rxd8 e1Q 45. Rxd6 1/2-1/2

[Event "Jelenia Gora U26 4th"]
[Site "Jelenia Gora"]
[Date "1980.??.??"]
[Round "2"]
[White "Weider, Dariusz"]
[Black "Berg, Klaus"]
[Result "1/2-1/2"]
[ECO "A06"]
[BlackElo "2295"]
[PlyCount "103"]
[EventDate "1980.06.16"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. Nf3 c5 2. b3 Nf6 3. Bb2 e6 4. e3 Be7 5. Be2 d5 6. 0-0 Nc6 7. Bb5 Bd7 8. Bxc6 Bxc6 9. Ne5 Rc8 10. d3 0-0 11. Nd2 Nd7 12. Nxc6 Rxc6 13. c4 Bf6 14. cxd5 exd5 15. Bxf6 Nxf6 16. Rc1 Qa5 17. Rc2 b5 18. e4 dxe4 19. Nxe4 Nxe4 20. dxe4 Rd8 21. Qe2 Qb4 22. Rfc1 Rd4 23. f3 c4 24. g3 h6 25. Qe3 Rcd6 26. bxc4 bxc4 27. e5 Rd8 28. e6 Qc5 29. exf7+ Kxf7 30. Rd2 Qb6 31. Rxd4 Rxd4 32. Qf2 Qd6 33. Rc2 c3 34. Qe3 Rd1+ 35. Kf2 Rd2+ 36. Rxd2 cxd2 37. Qb3+ Kf8 38. Ke2 Qd4 39. Qc2 d1Q+ 40. Qxd1 Qc4+ 41. Ke3 Qe6+ 42. Kf2 Qxa2+ 43. Kg1 a5 44. Qd8+ Kf7 45. Qd7+ Kf6 46. Qd8+ Kg6 47. Qd3+ Kf7 48. Qd7+ Kg8 49. Qe8+ Kh7 50. Qe4+ Kh8 51. Qa8+ Kh7 52. Qe4+ 1/2-1/2

[Event "Jelenia Gora U26 4th"]
[Site "Jelenia Gora"]
[Date "1980.??.??"]
[Round "7"]
[White "Weider, Dariusz"]
[Black "Dzieniszewski, Andrzej"]
[Result "0-1"]
[ECO "C24"]
[BlackElo "2205"]
[PlyCount "74"]
[EventDate "1980.06.16"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. Bc4 Be7 4. d3 c6 5. Nf3 0-0 6. Bg5 h6 7. Bxf6 Bxf6 8. a4 a5 9. 0-0 d6 10. d4 Qb6 11. dxe5 dxe5 12. b3 Bg4 13. Qe2 Nd7 14. Nd1 Nc5 15. Ne3 Bc8 16. Nd2 Bg5 17. Rad1 Qb4 18. Nf5 g6 19. f4 Bxf4 20. Rxf4 exf4 21. Nxh6+ Kg7 22. Nf5+ gxf5 23. Qh5 Qc3 24. Qg5+ Kh8 25. exf5 Qg7 26. Qh4+ Kg8 27. Qxf4 Rd8 28. c3 Kf8 29. Rf1 Qxc3 30. Nf3 Qf6 31. Ne5 b5 32. Bxf7 Nd3 33. Nxd3 Rxd3 34. Qc7 Qxf7 35. Qxc6 Bb7 36. Qc5+ Qe7 37. Qxb5 Rd2 0-1

[Event "Jelenia Gora U26 4th"]
[Site "Jelenia Gora"]
[Date "1980.??.??"]
[Round "9"]
[White "Weider, Dariusz"]
[Black "Stempin, Pawel"]
[Result "0-1"]
[ECO "C09"]
[BlackElo "2255"]
[PlyCount "104"]
[EventDate "1980.06.16"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. c3 e6 3. d4 d5 4. exd5 exd5 5. dxc5 Bxc5 6. Nf3 Nc6 7. Nbd2 Nge7 8. Nb3 Bd6 9. h3 0-0 10. Bd3 Bf5 11. 0-0 Qd7 12. Bxf5 Nxf5 13. Nbd4 Bc5 14. Nxc6 bxc6 15. Bf4 f6 16. Qd3 Rfe8 17. Rad1 Rad8 18. Rfe1 Bb6 19. b3 Nd6 20. Bxd6 Qxd6 21. Nd4 Re5 22. Nf3 Rxe1+ 23. Nxe1 Re8 24. Nf3 Qg3 25. Rd2 Qf4 26. Re2 Qc1+ 27. Kh2 Rxe2 28. Qxe2 Kf7 29. c4 Qf4+ 30. Kg1 dxc4 31. bxc4 g6 32. Qd3 Ke6 33. Kf1 Qc1+ 34. Ke2 Qb2+ 35. Qd2 Qxd2+ 36. Nxd2 Ke5 37. Nb3 Ke4 38. g3 f5 39. f3+ Ke5 40. a4 a6 41. h4 h5 42. Kf1 f4 43. Kg2 fxg3 44. Kxg3 Be3 45. Kg2 Bd4 46. Kg3 Bc3 47. Kg2 Kf4 48. Nc5 a5 49. Ne6+ Ke3 50. c5 Bf6 51. Kg3 Be7 52. f4 Ke4 0-1

[Event "Jelenia Gora U26 4th"]
[Site "Jelenia Gora"]
[Date "1980.??.??"]
[Round "11"]
[White "Weider, Dariusz"]
[Black "Twardon, Marian"]
[Result "1-0"]
[ECO "B22"]
[PlyCount "109"]
[EventDate "1980.06.16"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 e6 5. Nf3 Nf6 6. Be2 Nc6 7. 0-0 Be7 8. Na3 0-0 9. Nc2 Rd8 10. Bg5 cxd4 11. Ncxd4 Qc5 12. Qc1 Nxd4 13. Nxd4 e5 14. Nb3 Qc7 15. Bf3 h6 16. Bh4 a5 17. Re1 a4 18. Nd2 Be6 19. Nf1 Ra5 20. Qc2 a3 21. b3 Bd5 22. Bxf6 Bxf6 23. Bxd5 Raxd5 24. c4 b5 25. Qe2 bxc4 26. bxc4 Rd3 27. Rac1 Qc5 28. Rc2 Qd4 29. g3 Rc3 30. Rec1 Rxc2 31. Rxc2 Be7 32. c5 Rc8 33. c6 Qa4 34. Rc4 Qa6 35. Qc2 Qb5 36. Ne3 Qb2 37. Qf5 Rc7 38. Nd5 Qxa2 39. Nxe7+ Rxe7 40. c7 Qxc4 41. c8Q+ Qxc8 42. Qxc8+ Kh7 43. Qa8 g6 44. Qxa3 Re8 45. Qa4 Re6 46. Qd7 Kg7 47. Kf1 e4 48. Ke2 h5 49. Ke3 Kf8 50. Kd4 Re8 51. Ke3 Re6 52. h4 Kg7 53. Kf4 Kg8 54. Qd4 Re8 55. Kg5 1-0

[Event "Jelenia Gora U26 4th"]
[Site "Jelenia Gora"]
[Date "1980.??.??"]
[Round "13"]
[White "Weider, Dariusz"]
[Black "Vukosavljevic, Ljubisa"]
[Result "1-0"]
[ECO "A26"]
[PlyCount "95"]
[EventDate "1980.06.16"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e4 Nge7 6. Nge2 0-0 7. 0-0 d6 8. d3 Bg4 9. h3 Be6 10. Be3 Qd7 11. Kh2 f5 12. Qd2 fxe4 13. Nxe4 Nf5 14. Ng5 Nxe3 15. fxe3 Kh8 16. Nxe6 Qxe6 17. Nc3 Rae8 18. a3 Nd8 19. Rab1 c6 20. b4 a6 21. a4 h5 22. b5 axb5 23. axb5 Bh6 24. Qe2 Qe7 25. h4 Rxf1 26. Rxf1 Rf8 27. Ra1 Qc7 28. d4 Bg7 29. Rd1 Nf7 30. d5 cxb5 31. Nxb5 Qc5 32. Nc3 Nh6 33. Ne4 Qb4 34. Bh3 Ra8 35. Rd2 Ra1 36. Rb2 Qa3 37. Be6 Ng4+ 38. Bxg4 hxg4 39. Rc2 Bh6 40. Qxg4 Bxe3 41. Qc8+ Kh7 42. Qxb7+ Kh8 43. Qc8+ Kg7 44. Qd7+ Kh8 45. Qe8+ Kg7 46. Rf2 Bf4 47. Qe7+ Kh6 48. Qf8+ 1-0

[Event "Jelenia Gora U26 4th"]
[Site "Jelenia Gora"]
[Date "1980.??.??"]
[Round "5"]
[White "Weider, Dariusz"]
[Black "Watson, William N"]
[Result "1/2-1/2"]
[ECO "A49"]
[BlackElo "2300"]
[PlyCount "34"]
[EventDate "1980.06.16"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. Nf3 Nf6 2. b3 d6 3. d4 g6 4. Bb2 Bg7 5. g3 0-0 6. Nbd2 Bg4 7. Bg2 Qc8 8. 0-0 Nc6 9. c4 Nh5 10. Qc2 e5 11. dxe5 dxe5 12. e4 h6 13. Rfe1 Qe6 14. Nf1 Rfd8 15. a3 Bxf3 16. Bxf3 Nf6 17. Bg2 Nd4 1/2-1/2

[Event "POL-ch36"]
[Site "Tarnow"]
[Date "1979.??.??"]
[Round "5"]
[White "Pinkas, Karol"]
[Black "Weider, Dariusz"]
[Result "0-1"]
[ECO "B33"]
[WhiteElo "2345"]
[PlyCount "106"]
[EventDate "1979.??.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Bxf6 gxf6 10. Nd5 f5 11. Bd3 Be6 12. Qh5 Bg7 13. 0-0 f4 14. c4 b4 15. Nc2 a5 16. g3 0-0 17. Kh1 Ne7 18. Nxe7+ Qxe7 19. gxf4 exf4 20. Rg1 Kh8 21. e5 f5 22. exf6 Bxf6 23. Rae1 Qf7 24. Bg6 Qb7+ 25. Be4 Qf7 26. Qxf7 Bxf7 27. Bxa8 Rxa8 28. Re4 Bg8 29. Rxf4 Be5 30. Rg6 hxg6 31. Rh4+ Kg7 32. b3 a4 33. Nxb4 axb3 34. axb3 Rb8 35. Nd5 Rxb3 36. Rg4 Kh6 37. f4 Bb2 38. Ne7 Re3 39. Rxg6+ Kh7 40. Rh6+ Kxh6 41. Nf5+ Kg6 42. Nxe3 Bc1 43. Nd5 Kf5 44. Kg2 Ke4 45. Kg3 Bd2 46. Kg4 Kd3 47. Kf3 Kxc4 48. Ke4 Kc5 49. f5 Kc6 50. f6 Bh6 51. h4 Kd7 52. Kf5 Ke8 53. Kg6 Bc1 0-1

[Event "POL-ch36"]
[Site "Tarnow"]
[Date "1979.??.??"]
[Round "2"]
[White "Pioch, Zygmunt"]
[Black "Weider, Dariusz"]
[Result "1-0"]
[ECO "B33"]
[PlyCount "47"]
[EventDate "1979.??.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Nd5 Be7 10. Bxf6 Bxf6 11. c3 Bg5 12. Nc2 Be6 13. a4 bxa4 14. Rxa4 0-0 15. Bxa6 Ne7 16. Ncb4 Bxd5 17. Nxd5 Nxd5 18. Qxd5 Qb6 19. Qa2 Rfb8 20. Rb4 Qc6 21. Rxb8+ Rxb8 22. Bd3 Qb7 23. 0-0 Qxb2 24. Rb1 1-0

[Event "POL-ch36"]
[Site "Tarnow"]
[Date "1979.??.??"]
[Round "9"]
[White "Weider, Dariusz"]
[Black "Bany, Jerzy"]
[Result "0-1"]
[ECO "A34"]
[PlyCount "59"]
[EventDate "1979.??.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nc7 6. d3 e5 7. Be3 Be7 8. Rc1 0-0 9. Nf3 Nc6 10. Na4 b6 11. Nxe5 Nxe5 12. Bxa8 Nxa8 13. 0-0 Bh3 14. Re1 Ng4 15. Bd2 Qd4 16. e3 Qf6 17. f4 Qc6 18. e4 Bf6 19. Bc3 b5 20. Bxf6 Qxf6 21. d4 bxa4 22. Rxc5 g6 23. Qxa4 Nb6 24. Qb4 Rd8 25. d5 Qe7 26. Qd4 Nf6 27. Rc6 Nfxd5 28. Rd1 Rd7 29. exd5 Rxd5 30. Rc8+ 0-1

[Event "POL-ch36"]
[Site "Tarnow"]
[Date "1979.??.??"]
[Round "1"]
[White "Weider, Dariusz"]
[Black "Konikowski, Jerzy"]
[Result "0-1"]
[ECO "A42"]
[PlyCount "52"]
[EventDate "1979.??.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 g6 2. e4 Bg7 3. c4 d6 4. Nc3 Nc6 5. Be3 e5 6. Nge2 Nh6 7. f3 f5 8. Qd2 Nf7 9. 0-0-0 a6 10. dxe5 Ncxe5 11. Ng3 fxe4 12. Ngxe4 0-0 13. h4 Be6 14. b3 b5 15. c5 b4 16. Ne2 a5 17. Nf4 Bd7 18. Qc2 a4 19. Kd2 d5 20. Ng3 axb3 21. axb3 d4 22. Bxd4 Bh6 23. Ke3 Qf6 24. Kf2 Qxf4 25. Ne4 Bc6 26. Re1 Rad8 0-1

[Event "POL-ch36"]
[Site "Tarnow"]
[Date "1979.??.??"]
[Round "10"]
[White "Weider, Dariusz"]
[Black "Markiewicz, Jerzy"]
[Result "0-1"]
[ECO "C27"]
[PlyCount "72"]
[EventDate "1979.??.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. Bc4 Nxe4 4. Qh5 Nd6 5. Bb3 Nc6 6. Nb5 g6 7. Qf3 f5 8. Qd5 Qf6 9. Nxc7+ Kd8 10. Nxa8 b6 11. d4 Bb7 12. Nf3 Nxd4 13. Bg5 Nxf3+ 14. Qxf3 Qxg5 15. Bd5 e4 16. Qb3 e3 17. 0-0 exf2+ 18. Rxf2 Bxd5 19. Qxd5 Ne4 20. Rd1 Bd6 21. Rf3 Re8 22. b4 Qh4 23. g3 Qg4 24. Ra3 Re6 25. Qd4 Qg5 26. Rad3 Qe7 27. a3 Qe8 28. a4 f4 29. Rf3 fxg3 30. hxg3 g5 31. Re3 g4 32. Rxe4 Rxe4 33. Qf6+ Be7 34. Qc6 Bc5+ 35. bxc5 Re1+ 36. Kh2 Qh5+ 0-1

[Event "World U17-ch03"]
[Site "Cagnes sur Mer"]
[Date "1977.09.16"]
[Round "8"]
[White "Weider, Dariusz"]
[Black "Sequeira, Joao FA"]
[Result "1/2-1/2"]
[ECO "A06"]
[WhiteElo "1900"]
[BlackElo "1984"]
[PlyCount "40"]
[EventDate "1977.09.08"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "FRA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. f4 d5 2. b3 Nf6 3. Bb2 e6 4. Nf3 Be7 5. e3 0-0 6. Be2 b6 7. 0-0 Bb7 8. Ne5 c5 9. Bf3 Nbd7 10. d3 Qc7 11. Nd2 Rfd8 12. Qe1 Rac8 13. Qg3 Nf8 14. Rae1 Ng6 15. e4 dxe4 16. Nxe4 Nxe4 17. Bxe4 Bxe4 18. Rxe4 Bf6 19. Nxg6 hxg6 20. Bxf6 gxf6 1/2-1/2

[Event "World U17-ch03"]
[Site "Cagnes sur Mer"]
[Date "1977.09.13"]
[Round "6"]
[White "Weider, Dariusz"]
[Black "Aulin Jansson, Joran"]
[Result "0-1"]
[ECO "C38"]
[WhiteElo "1900"]
[BlackElo "2380"]
[PlyCount "66"]
[EventDate "1977.09.08"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "FRA"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 Bg7 5. d4 g4 6. Bxf4 gxf3 7. Qxf3 d6 8. e5 Be6 9. d5 Bf5 10. 0-0 dxe5 11. Bxe5 Bxe5 12. Qxf5 Bf6 13. Nc3 Qd6 14. Bb5+ Nd7 15. Rae1+ Kd8 16. Kh1 Ne7 17. Qh3 Bxc3 18. Qxc3 Rg8 19. Rxf7 Nxd5 20. Qa5 Ne5 21. Rf5 Qg6 22. Bf1 Nd7 23. Qxd5 c6 24. Qd3 Kc7 25. Re7 Rad8 26. Rff7 Qxd3 27. Bxd3 Rge8 28. Bf5 Kb6 29. h3 Rxe7 30. Rxe7 Nf6 31. Rf7 Rd6 32. Kh2 h6 33. Kg3 a5 0-1

[Event "World U17-ch03"]
[Site "Cagnes sur Mer"]
[Date "1977.09.12"]
[Round "5"]
[White "Kasparov, Garry"]
[Black "Weider, Dariusz"]
[Result "1-0"]
[ECO "A50"]
[WhiteElo "2323"]
[BlackElo "1900"]
[PlyCount "49"]
[EventDate "1977.09.08"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "FRA"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 b6 3. Nc3 Bb7 4. Qc2 d5 5. cxd5 Nxd5 6. Nf3 e6 7. e4 Nxc3 8. bxc3 c5 9. Bb5+ Bc6 10. Bd3 cxd4 11. cxd4 Bb4+ 12. Bd2 Bxd2+ 13. Qxd2 0-0 14. 0-0 Nd7 15. Qf4 Qb8 16. Qh4 Qd8 17. Qf4 Qb8 18. Qg4 Qb7 19. Rfe1 f5 20. Qh3 Rf6 21. exf5 exf5 22. Re7 Bxf3 23. Bxf5 Rf7 24. Rae1 g6 25. Rxf7 1-0

[Event "World U17-ch03"]
[Site "Cagnes sur Mer"]
[Date "1977.09.11"]
[Round "4"]
[White "Weider, Dariusz"]
[Black "Whitehead, Jay E"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1900"]
[BlackElo "2245"]
[PlyCount "34"]
[EventDate "1977.09.08"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "FRA"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. Qxd4 e6 6. Nf3 Nc6 7. Qe4 d6 8. Nbd2 Be7 9. Nc4 f5 10. Qc2 dxe5 11. Ncxe5 Nxe5 12. Nxe5 0-0 13. Bc4 Qc7 14. Qe2 Bf6 15. Nf3 Nxc3 16. Bxe6+ Kh8 17. Qc4 Qe7 0-1

[Event "World U17-ch03"]
[Site "Cagnes sur Mer"]
[Date "1977.09.10"]
[Round "3"]
[White "Depasquale, Chris"]
[Black "Weider, Dariusz"]
[Result "0-1"]
[ECO "C34"]
[WhiteElo "2100"]
[BlackElo "1900"]
[PlyCount "84"]
[EventDate "1977.09.08"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "FRA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. f4 e5 2. e4 exf4 3. Nf3 d6 4. Bc4 Be7 5. d4 g5 6. Nc3 g4 7. Bxf4 gxf3 8. Qxf3 Be6 9. d5 Bc8 10. e5 h5 11. 0-0 Bg4 12. Qf2 Rh7 13. Rae1 Kf8 14. Ne4 Rg7 15. Kh1 Bf5 16. exd6 cxd6 17. Ng3 Bg6 18. Bd3 h4 19. Ne2 Bxd3 20. cxd3 Bf6 21. Be3 Nd7 22. d4 Bg5 23. Bf4 Qf6 24. Qf3 Re8 25. Rc1 Ne7 26. Qh3 Nb6 27. Be5 Qg6 28. Bxg7+ Kxg7 29. Nf4 Qh6 30. Qg4 Kh8 31. Rc7 Bxf4 32. Qxf4 Qxf4 33. Rxf4 Nexd5 34. Rxh4+ Kg7 35. Rc1 Re2 36. Rb1 Na4 37. Rh5 Nab6 38. a4 a5 39. b4 axb4 40. a5 Nc3 41. Rf1 Nbd5 42. Rhf5 f6 0-1

[Event "World U17-ch03"]
[Site "Cagnes sur Mer"]
[Date "1977.09.09"]
[Round "2"]
[White "Weider, Dariusz"]
[Black "Pajak, John T"]
[Result "1-0"]
[ECO "B02"]
[WhiteElo "1900"]
[BlackElo "1860"]
[PlyCount "35"]
[EventDate "1977.09.08"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "FRA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 Nf6 2. Nc3 d5 3. e5 d4 4. Nce2 Ng4 5. f4 h5 6. Nf3 c5 7. d3 b6 8. c3 Bb7 9. cxd4 e6 10. dxc5 Bxf3 11. gxf3 Qh4+ 12. Ng3 Nxh2 13. Kf2 Rh6 14. d4 Rg6 15. Bb5+ Kd8 16. Qg1 Nxf3 17. Rxh4 Nxh4 18. Rb1 1-0

[Event "World U17-ch03"]
[Site "Cagnes sur Mer"]
[Date "1977.09.08"]
[Round "1.9"]
[White "Lopez Trujillo, Armando"]
[Black "Weider, Dariusz"]
[Result "0-1"]
[ECO "B33"]
[WhiteElo "1885"]
[BlackElo "1900"]
[PlyCount "84"]
[EventDate "1977.09.08"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "FRA"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 Be6 9. Bxf6 gxf6 10. Nc4 Rc8 11. Nd5 Bxd5 12. exd5 Ne7 13. c3 f5 14. Ne3 Bh6 15. Qb3 b5 16. 0-0-0 Qb6 17. Kb1 Bxe3 18. fxe3 Qxe3 19. Ka1 0-0 20. Bd3 e4 21. Bb1 Rc4 22. Qc2 Rfc8 23. Rhe1 Qf4 24. Qe2 Ng6 25. g3 Qe5 26. a3 a5 27. Ba2 R4c5 28. Qe3 b4 29. cxb4 axb4 30. axb4 Rc2 31. Qb3 Rxh2 32. b5 Rhc2 33. b6 R2c5 34. b7 Rb8 35. Rc1 Qe7 36. Rxc5 dxc5 37. Rc1 Rxb7 38. Qe3 Qe5 39. Rc3 Qd4 40. Qc1 Rc7 41. Qg5 Ra7 42. Qc1 Qxd5 0-1

