[Event "Chicago US Masters"]
[Site "Chicago"]
[Date "1996.??.??"]
[Round "4"]
[White "Harmon, Clark R"]
[Black "Weber, Leo"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "2220"]
[BlackElo "2205"]
[PlyCount "25"]
[EventDate "1996.03.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 e6 2. c4 d5 3. Nc3 f5 4. cxd5 exd5 5. Qc2 Nf6 6. Bg5 Be7 7. e3 c6 8. Bd3 Ne4 9. Bxe7 Qxe7 10. Nxd5 Qf7 11. Bxe4 Na6 12. Nc3 Nb4 13. Qa4 1-0

[Event "Luxembourg op"]
[Site "Luxembourg"]
[Date "1996.??.??"]
[Round "7"]
[White "Hengel, Guy"]
[Black "Weber, Leo"]
[Result "1-0"]
[ECO "E60"]
[WhiteElo "1760"]
[BlackElo "2205"]
[PlyCount "59"]
[EventDate "1996.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "LUX"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. e3 d6 4. Nc3 Bg7 5. b3 0-0 6. Bb2 Bf5 7. Bd3 Bxd3 8. Qxd3 e5 9. d5 Nbd7 10. e4 Nc5 11. Qc2 Qe7 12. Nge2 Ng4 13. h3 Nf6 14. 0-0-0 a5 15. g4 Kh8 16. Ng3 Bh6+ 17. Kb1 b6 18. f3 Ng8 19. h4 Nd7 20. Nb5 Nc5 21. h5 Qg5 22. Bc1 Qf6 23. Bxh6 Nxh6 24. hxg6 Qxg6 25. Rh3 Ng8 26. Rdh1 Nf6 27. Nf5 Na6 28. Qh2 Rfe8 29. Rh6 Qg8 30. g5 1-0

[Event "Luxembourg op"]
[Site "Luxembourg"]
[Date "1996.??.??"]
[Round "5"]
[White "Heyar, Fred"]
[Black "Weber, Leo"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1625"]
[BlackElo "2205"]
[PlyCount "70"]
[EventDate "1996.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "LUX"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. b4 e6 2. b5 Nf6 3. e3 d5 4. Nf3 c6 5. d4 Be7 6. Nc3 0-0 7. Bd3 Bd7 8. a4 c5 9. Ba3 c4 10. Be2 Bxa3 11. Rxa3 Qe7 12. Qa1 a6 13. Ne5 axb5 14. Nxd7 Nbxd7 15. Nxb5 Ra5 16. c3 Nb6 17. Bd1 Rfa8 18. 0-0 Rxb5 19. a5 Nc8 20. a6 bxa6 21. Rxa6 Rxa6 22. Qxa6 Rb8 23. Bc2 Qb7 24. Qa5 Nd6 25. g3 Ra8 26. Qc5 Nde4 27. Qb4 Qxb4 28. cxb4 Rb8 29. Rb1 g6 30. Ba4 Nc3 31. Ra1 Rxb4 32. Bc2 Rb2 33. Bd1 Nxd1 34. Rxd1 c3 35. Kf1 c2 0-1

[Event "Luxembourg op"]
[Site "Luxembourg"]
[Date "1996.??.??"]
[Round "3"]
[White "Jemming, Ch"]
[Black "Weber, Leo"]
[Result "1/2-1/2"]
[ECO "B50"]
[BlackElo "2205"]
[PlyCount "76"]
[EventDate "1996.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "LUX"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Qe2 a6 5. d4 cxd4 6. cxd4 e6 7. Bg5 Be7 8. Nc3 0-0 9. Qc2 b5 10. Bd3 g6 11. 0-0 Bb7 12. Rad1 Qc7 13. Nd2 Nc6 14. Nf3 Nb4 15. Qb1 Nxd3 16. Qxd3 Rfe8 17. Rc1 Nh5 18. Nd5 Qd8 19. Nxe7+ Rxe7 20. Bxe7 Qxe7 21. Rc2 Nf6 22. e5 dxe5 23. dxe5 Nd5 24. a3 Rd8 25. Rd1 Kg7 26. Qf1 h5 27. Rd3 g5 28. Nxg5 Nf4 29. Rxd8 Qxd8 30. Nf3 Bxf3 31. gxf3 Qg5+ 32. Kh1 Qxe5 33. Qg1+ Ng6 34. Qg3 Qe1+ 35. Qg1 Qe5 36. b4 Qf5 37. Rc5 Qxf3+ 38. Qg2 Qd1+ 1/2-1/2

[Event "Chicago US Masters"]
[Site "Chicago"]
[Date "1996.??.??"]
[Round "3"]
[White "Johnson, K."]
[Black "Weber, Leo"]
[Result "1-0"]
[ECO "A14"]
[BlackElo "2205"]
[PlyCount "109"]
[EventDate "1996.03.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 e6 3. g3 Nf6 4. Bg2 Be7 5. 0-0 0-0 6. b3 Nbd7 7. Bb2 Ne4 8. d3 Bf6 9. Qc2 Nd6 10. Nbd2 c6 11. e4 dxe4 12. dxe4 e5 13. Rad1 Qe7 14. c5 Nb5 15. b4 a5 16. a3 Nb8 17. Nc4 Bg4 18. Nxa5 Na6 19. Rd3 Nxc5 20. Nxc6 bxc6 21. Qxc5 Qxc5 22. bxc5 Ra4 23. h3 Bxf3 24. Bxf3 h6 25. Re1 Rfa8 26. Bd1 Rc4 27. a4 Nd4 28. Bxd4 exd4 29. e5 Be7 30. Bb3 Rc3 31. Rxc3 dxc3 32. Re3 Bxc5 33. Rxc3 Bd4 34. Rxc6 Bxe5 35. Rc5 Bd4 36. Rc7 Ra7 37. Bxf7+ Kf8 38. Rxa7 Bxa7 39. Bc4 Bb6 40. Kg2 Ke7 41. f4 Kf6 42. Kf3 Ba5 43. Ke4 Be1 44. g4 Bd2 45. f5 Kg5 46. Kd4 Kh4 47. Bf7 Kg5 48. Kc5 Kf6 49. Be6 Ke7 50. Kb6 Kd6 51. a5 h5 52. a6 hxg4 53. hxg4 g6 54. a7 Be3+ 55. Kb7 1-0

[Event "Luxembourg op"]
[Site "Luxembourg"]
[Date "1996.??.??"]
[Round "1"]
[White "Nickels, Hinky"]
[Black "Weber, Leo"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "1865"]
[BlackElo "2205"]
[PlyCount "53"]
[EventDate "1996.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "LUX"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d3 Nf6 4. g3 e6 5. Bg2 Be7 6. 0-0 0-0 7. Nbd2 Nbd7 8. Re1 b6 9. e5 Nd5 10. Nc4 Rb8 11. exd6 Bf6 12. a4 Bb7 13. c3 Kh8 14. h4 h6 15. Bd2 Qe8 16. Nh2 Rg8 17. Ng4 Qf8 18. Qc1 Kh7 19. Be4+ Kh8 20. Bf4 Nxf4 21. Qxf4 Bxe4 22. dxe4 Rd8 23. e5 g5 24. Qf3 Bg7 25. hxg5 hxg5 26. Qh1+ Bh6 27. Nxh6 1-0

[Event "Chicago US Masters"]
[Site "Chicago"]
[Date "1996.??.??"]
[Round "1"]
[White "Schwartzman, Gabriel"]
[Black "Weber, Leo"]
[Result "1-0"]
[ECO "A18"]
[WhiteElo "2510"]
[BlackElo "2205"]
[PlyCount "51"]
[EventDate "1996.03.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. e4 d6 4. d4 Be7 5. Nf3 0-0 6. Be2 c6 7. Qc2 d5 8. e5 Nfd7 9. 0-0 dxc4 10. Ne4 f5 11. exf6 Nxf6 12. Bxc4 Nd5 13. a3 Nd7 14. Nfg5 Bxg5 15. Nxg5 N7f6 16. Bd2 Qd6 17. Rae1 Bd7 18. Re5 h6 19. Bxd5 hxg5 20. Bb4 Qc7 21. Bxf8 Rxf8 22. Bxe6+ Bxe6 23. Rxe6 Qd7 24. Re5 Qxd4 25. Qb3+ Kh8 26. Rxg5 1-0

[Event "Luxembourg op"]
[Site "Luxembourg"]
[Date "1996.??.??"]
[Round "4"]
[White "Weber, Leo"]
[Black "Babic, Gabriel"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "2205"]
[PlyCount "41"]
[EventDate "1996.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "LUX"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nxd4 5. Qxd4 Qf6 6. e5 Qe6 7. Be3 d6 8. exd6 Bxd6 9. Nc3 Nf6 10. 0-0-0 0-0 11. Kb1 Qe5 12. h3 a6 13. g4 Be6 14. Bg2 c6 15. Qxd6 Qxd6 16. Rxd6 Rfd8 17. Rhd1 Rd7 18. Rxd7 Nxd7 19. f4 Nf6 20. f5 Bd7 21. g5 1-0

[Event "Luxembourg op"]
[Site "Luxembourg"]
[Date "1996.??.??"]
[Round "8"]
[White "Weber, Leo"]
[Black "Dhaene, Gilbert"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "2205"]
[BlackElo "1655"]
[PlyCount "81"]
[EventDate "1996.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "LUX"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Bd6 5. Nc3 c6 6. Nf3 Nf6 7. Bg5 0-0 8. 0-0 Bg4 9. Re1 Nbd7 10. a3 Qc7 11. h3 Bh5 12. b4 a6 13. Rb1 b5 14. a4 Rfe8 15. Rxe8+ Rxe8 16. a5 h6 17. Be3 Nf8 18. Be2 Ne6 19. Qd2 Nf4 20. Bd1 Ne6 21. Kh1 Nf4 22. Kg1 Ne4 23. Nxe4 dxe4 24. Ne1 Bxd1 25. Rxd1 Nd5 26. c3 Nxe3 27. Qxe3 Bf4 28. Qe2 Kf8 29. g3 Bd6 30. Ng2 Qe7 31. Re1 f5 32. h4 g6 33. Qe3 g5 34. Kf1 Bc7 35. Rd1 Rd8 36. Qe2 Qe6 37. Qh5 Qf6 38. Ne3 Rd7 39. Ke2 Bd8 40. Rh1 gxh4 41. Rxh4 1-0

[Event "Luxembourg op"]
[Site "Luxembourg"]
[Date "1996.??.??"]
[Round "6"]
[White "Weber, Leo"]
[Black "Freylinger, Jean Paul"]
[Result "1/2-1/2"]
[ECO "B86"]
[WhiteElo "2205"]
[BlackElo "1765"]
[PlyCount "37"]
[EventDate "1996.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "LUX"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. 0-0 Be7 8. Be3 0-0 9. Qe2 b5 10. Bd3 Bb7 11. a3 Nbd7 12. Nb3 Rc8 13. Kh1 Qc7 14. Rac1 Ne5 15. f3 Rfd8 16. Bf4 Nfd7 17. Rfd1 Nc5 18. Nxc5 Qxc5 19. Qe3 1/2-1/2

[Event "Luxembourg op"]
[Site "Luxembourg"]
[Date "1996.??.??"]
[Round "9"]
[White "Weber, Leo"]
[Black "Ragozin, Alexandre"]
[Result "0-1"]
[ECO "B32"]
[WhiteElo "2205"]
[BlackElo "1725"]
[PlyCount "68"]
[EventDate "1996.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "LUX"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nxc6 bxc6 6. Bc4 Bc5 7. 0-0 Qf6 8. Nc3 Qg6 9. Qe2 Nf6 10. a3 0-0 11. Kh1 Bb7 12. f3 Rfe8 13. Be3 Bd4 14. Qd2 Bxe3 15. Qxe3 d5 16. exd5 cxd5 17. Bd3 e4 18. fxe4 dxe4 19. Be2 h5 20. Nb5 Nd5 21. Qh3 Bc8 22. Qxh5 Qxh5 23. Bxh5 Ba6 24. Bxf7+ Kh8 25. Bxe8 Rxe8 26. Rf5 Ne3 27. Rc5 Bxb5 28. Rxb5 Nxc2 29. Ra2 e3 30. h3 e2 31. b4 e1Q+ 32. Kh2 Nd4 33. Rd5 Ne2 34. Rad2 Qg1# 0-1

[Event "Chicago US Masters"]
[Site "Chicago"]
[Date "1996.??.??"]
[Round "2"]
[White "Weber, Leo"]
[Black "Schmuggerow, Kevin"]
[Result "1/2-1/2"]
[ECO "B44"]
[WhiteElo "2205"]
[PlyCount "48"]
[EventDate "1996.03.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 e6 2. e4 c5 3. Nf3 cxd4 4. Nxd4 Nc6 5. Be2 Qc7 6. Nb5 Qb8 7. 0-0 a6 8. Nd4 Nf6 9. Nxc6 bxc6 10. Bf3 Bc5 11. Re1 e5 12. c4 d6 13. Nc3 Be6 14. Qd3 0-0 15. Rb1 a5 16. Bg5 Nd7 17. Na4 Bd4 18. b3 f5 19. Be3 Nc5 20. Nxc5 dxc5 21. exf5 Bxf5 22. Be4 g6 23. a3 Qd6 24. Red1 Qf6 1/2-1/2

[Event "Luxembourg op"]
[Site "Luxembourg"]
[Date "1996.??.??"]
[Round "2"]
[White "Weber, Leo"]
[Black "Weber, G."]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "2205"]
[BlackElo "1710"]
[PlyCount "72"]
[EventDate "1996.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "LUX"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 Qxd5 4. Nc3 Qd8 5. Nf3 a6 6. Be3 Nf6 7. Bc4 b5 8. Be2 Bb7 9. 0-0 Nbd7 10. a3 c5 11. dxc5 Bxc5 12. Bxc5 Nxc5 13. Qxd8+ Rxd8 14. b4 Ncd7 15. a4 bxa4 16. Rxa4 Ke7 17. Bxa6 Bxa6 18. Rxa6 Rc8 19. Ra3 Rc4 20. Rb1 Rhc8 21. Rbb3 Nb6 22. Ne1 Ne4 23. Nxe4 Rxe4 24. Kf1 Nc4 25. Ra7+ Ke8 26. Rd3 Ne5 27. Rb3 Rd8 28. Ra1 Nc4 29. Rd3 Nd2+ 30. Kg1 Rxb4 31. Rxd8+ Kxd8 32. Rd1 Rd4 33. f3 Nxf3+ 34. Nxf3 Rxd1+ 35. Kf2 f6 36. Ke2 Rd6 0-1

[Event "Olympiad-29"]
[Site "Novi Sad"]
[Date "1990.12.01"]
[Round "13"]
[White "Ipek, Ali"]
[Black "Weber, Leo"]
[Result "1-0"]
[ECO "D94"]
[WhiteElo "2275"]
[PlyCount "75"]
[EventDate "1990.11.17"]
[EventType "team-swiss"]
[EventRounds "14"]
[EventCountry "YUG"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]
[WhiteTeam "Turkey"]
[BlackTeam "Luxembourg"]
[WhiteTeamCountry "TUR"]
[BlackTeamCountry "LUX"]

1. d4 d5 2. Nf3 c6 3. c4 Nf6 4. Nc3 g6 5. e3 Bg7 6. Be2 0-0 7. 0-0 Be6 8. b3 Qc7 9. Ba3 Re8 10. Rc1 Qa5 11. Bb2 a6 12. Ng5 Bf5 13. f4 h6 14. Nf3 Nbd7 15. Ne5 h5 16. h3 Ne4 17. g4 Nxe5 18. gxf5 Nd7 19. fxg6 fxg6 20. cxd5 Ng3 21. dxc6 bxc6 22. Bc4+ Kh7 23. Rf3 h4 24. Qc2 Rf8 25. Ne4 Nxe4 26. Qxe4 Nf6 27. Qxc6 Qd2 28. Ba3 Nh5 29. Qe6 Nxf4 30. exf4 Rxf4 31. Rxf4 Qxf4 32. Qg4 Qe3+ 33. Kh1 Bf6 34. Rg1 g5 35. Bc1 Qc3 36. Qh5+ Kg7 37. Rxg5+ Bxg5 38. Qxg5+ 1-0

[Event "Olympiad-29"]
[Site "Novi Sad"]
[Date "1990.11.30"]
[Round "12"]
[White "Weber, Leo"]
[Black "Rantanen, Yrjo A"]
[Result "0-1"]
[ECO "E16"]
[BlackElo "2420"]
[PlyCount "92"]
[EventDate "1990.11.17"]
[EventType "team-swiss"]
[EventRounds "14"]
[EventCountry "YUG"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]
[WhiteTeam "Luxembourg"]
[BlackTeam "Finland"]
[WhiteTeamCountry "LUX"]
[BlackTeamCountry "FIN"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb4+ 5. Bd2 a5 6. Bg2 Bb7 7. 0-0 0-0 8. Bg5 Be7 9. Nc3 h6 10. Bxf6 Bxf6 11. e4 d6 12. Re1 Nd7 13. e5 Be7 14. Qc2 Qc8 15. Rad1 Rb8 16. a3 Re8 17. Nb5 Bf8 18. Na7 Qd8 19. Nd2 c5 20. dxc5 Nxe5 21. cxd6 Bxg2 22. Kxg2 Qxd6 23. Rxe5 Qxe5 24. Nc6 Qc7 25. Nxb8 Rxb8 26. Qc3 Rd8 27. Re1 g6 28. Ne4 Bg7 29. Nf6+ Kh8 30. Qf3 Qe7 31. Ng4 h5 32. Ne3 Bxb2 33. Rb1 Bd4 34. Qf4 Kg7 35. a4 Qb7+ 36. Kg1 Qc6 37. Nc2 Bf6 38. g4 hxg4 39. Qxg4 Qxa4 40. Ne3 Qc6 41. Qh3 Rh8 42. Qg3 Qe4 43. Rxb6 Be5 44. Qg2 Bxh2+ 45. Kf1 Qd3+ 46. Ke1 Be5 0-1

[Event "Olympiad-29"]
[Site "Novi Sad"]
[Date "1990.11.29"]
[Round "11"]
[White "Weber, Leo"]
[Black "Lkhagva, Jambaldoo"]
[Result "1-0"]
[ECO "E06"]
[BlackElo "2325"]
[PlyCount "79"]
[EventDate "1990.11.17"]
[EventType "team-swiss"]
[EventRounds "14"]
[EventCountry "YUG"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]
[WhiteTeam "Luxembourg"]
[BlackTeam "Mongolia"]
[WhiteTeamCountry "LUX"]
[BlackTeamCountry "MGL"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. Nc3 d5 7. 0-0 0-0 8. Ne5 c6 9. b3 Nbd7 10. cxd5 Nxe5 11. dxe5 Nxd5 12. Ne4 c5 13. Bb2 Qc7 14. Nd6 Rad8 15. Nxb7 Qxb7 16. Qc2 Rd7 17. Rad1 Rfd8 18. a3 Qc8 19. e4 Nc7 20. a4 Na6 21. Rxd7 Qxd7 22. Bc3 Nb8 23. Rc1 Nc6 24. Bf3 f6 25. Rd1 Qc7 26. Bg4 Rxd1+ 27. Qxd1 Kf7 28. Bxe6+ Kf8 29. Qh5 Bd8 30. Qxh7 fxe5 31. Qg8+ Ke7 32. Bd5 Qd7 33. Qxg7+ Kd6 34. Qg6+ Kc7 35. Bxc6 Qxc6 36. Bxe5+ Kb7 37. Qf7+ Ka6 38. Bb8 Ka5 39. Qc4 Qd7 40. Be5 1-0

[Event "Olympiad-29"]
[Site "Novi Sad"]
[Date "1990.11.27"]
[Round "10"]
[White "Kabuye, Emmanuel"]
[Black "Weber, Leo"]
[Result "0-1"]
[ECO "D18"]
[WhiteElo "2360"]
[PlyCount "90"]
[EventDate "1990.11.17"]
[EventType "team-swiss"]
[EventRounds "14"]
[EventCountry "YUG"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]
[WhiteTeam "Uganda"]
[BlackTeam "Luxembourg"]
[WhiteTeamCountry "UGA"]
[BlackTeamCountry "LUX"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 dxc4 5. a4 Bf5 6. e3 h6 7. Bxc4 e6 8. 0-0 Nbd7 9. Qe2 Ne4 10. Bd3 Ndf6 11. Ne5 Be7 12. Qf3 Ng5 13. Qe2 Bxd3 14. Qxd3 0-0 15. f4 Ngh7 16. f5 exf5 17. Rxf5 Qd6 18. e4 Rad8 19. Qg3 Ng5 20. Bxg5 hxg5 21. Rd1 Nd7 22. Ne2 Nxe5 23. Rxe5 Bf6 24. Ra5 Qxg3 25. hxg3 Rfe8 26. Rxa7 Rxe4 27. Kf1 Re7 28. b4 Rd5 29. g4 Kh7 30. Rd2 Kg6 31. Kf2 Be5 32. g3 Bb8 33. Ra8 Rd8 34. Kf1 Re3 35. Rb2 Rde8 36. b5 cxb5 37. axb5 Bd6 38. Ra7 R8e7 39. Kf2 Rd3 40. b6 Bb8 41. Ra8 Re8 42. Ra5 Ree3 43. Rd5 Rf3+ 44. Kg2 Bxg3 45. Rd7 Rf2+ 0-1

[Event "Olympiad-29"]
[Site "Novi Sad"]
[Date "1990.11.26"]
[Round "9"]
[White "Mahmoud, Yousef Mohamad"]
[Black "Weber, Leo"]
[Result "1/2-1/2"]
[ECO "B25"]
[WhiteElo "2205"]
[PlyCount "88"]
[EventDate "1990.11.17"]
[EventType "team-swiss"]
[EventRounds "14"]
[EventCountry "YUG"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]
[WhiteTeam "Qatar"]
[BlackTeam "Luxembourg"]
[WhiteTeamCountry "QAT"]
[BlackTeamCountry "LUX"]

1. e4 c5 2. g3 d6 3. Bg2 Nc6 4. f4 g6 5. Nf3 Bg7 6. 0-0 e6 7. d3 Nge7 8. Nc3 0-0 9. Be3 Nd4 10. Qd2 a6 11. Rae1 Rb8 12. Nd1 d5 13. e5 Nxf3+ 14. Bxf3 Qc7 15. c3 Bd7 16. Qc2 b5 17. Bf2 Rfc8 18. d4 c4 19. Ne3 b4 20. Qd2 bxc3 21. bxc3 Rb5 22. Rb1 Rcb8 23. Qc2 Qb6 24. Rxb5 Qxb5 25. Rc1 Qb2 26. Kg2 Ba4 27. Qxb2 Rxb2 28. Ra1 Bf8 29. Bd1 Bc6 30. Nc2 Nc8 31. Kf1 Nb6 32. Ke2 Na4 33. Be1 Be7 34. Kd2 Rb7 35. Kc1 a5 36. Rb1 Rxb1+ 37. Kxb1 g5 38. Ne3 gxf4 39. gxf4 Kg7 40. Bc2 Nb6 41. Ng2 f5 42. exf6+ Bxf6 43. Ne3 Ba4 44. Ng4 Bxc2+ 1/2-1/2

[Event "Olympiad-29"]
[Site "Novi Sad"]
[Date "1990.11.20"]
[Round "4"]
[White "Weber, Leo"]
[Black "Aryanejad, Hossein"]
[Result "1/2-1/2"]
[ECO "E93"]
[PlyCount "81"]
[EventDate "1990.11.17"]
[EventType "team-swiss"]
[EventRounds "14"]
[EventCountry "YUG"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]
[WhiteTeam "Luxembourg"]
[BlackTeam "Iran"]
[WhiteTeamCountry "LUX"]
[BlackTeamCountry "IRI"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. Nf3 e5 7. d5 a5 8. Bg5 h6 9. Bh4 Na6 10. Nd2 Nc5 11. 0-0 g5 12. Bg3 Nh7 13. Bg4 Bd7 14. Bxd7 Qxd7 15. Nb3 b6 16. Nxc5 bxc5 17. Nb5 f5 18. exf5 Rxf5 19. Qh5 Raf8 20. Rfe1 Nf6 21. Qe2 h5 22. h4 g4 23. Qd2 Ra8 24. Rab1 Qe7 25. Nc3 Qf8 26. Qc2 Ne8 27. Ne4 Bh6 28. Qa4 Nf6 29. Nxf6+ Qxf6 30. Re2 Qe7 31. b4 Qh7 32. Rb3 cxb4 33. Rxb4 axb4 34. Qxa8+ Rf8 35. Qa4 Qb1+ 36. Kh2 Qd3 37. Rb2 Qxc4 38. Rc2 Qxd5 39. Rxc7 Rf7 40. Rc8+ Rf8 41. Rc7 1/2-1/2

[Event "Olympiad-29"]
[Site "Novi Sad"]
[Date "1990.11.18"]
[Round "2"]
[White "Grassi, Enrico"]
[Black "Weber, Leo"]
[Result "1/2-1/2"]
[ECO "D13"]
[PlyCount "83"]
[EventDate "1990.11.17"]
[EventType "team-swiss"]
[EventRounds "14"]
[EventCountry "YUG"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]
[WhiteTeam "San Marino"]
[BlackTeam "Luxembourg"]
[WhiteTeamCountry "SMR"]
[BlackTeamCountry "LUX"]

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nc3 Nf6 5. Nf3 e6 6. Bg5 Be7 7. e3 0-0 8. Bd3 Nc6 9. Rc1 h6 10. Bh4 Qb6 11. Qe2 Bd7 12. 0-0 Rfc8 13. Ne5 Be8 14. Bb1 Nd7 15. Na4 Qb4 16. Nxc6 Rxc6 17. Bxe7 Qxe7 18. Rxc6 bxc6 19. Qc2 Nf6 20. Nc5 e5 21. Qd2 Rb8 22. Bd3 Nd7 23. Rc1 exd4 24. exd4 Qf6 25. b3 Nxc5 26. Rxc5 Kh8 27. Bb1 Bd7 28. Rc3 Rb4 29. Rd3 a5 30. a3 Rb5 31. Re3 Qd6 32. Qe1 Be6 33. Qc1 Bd7 34. Qe1 g6 35. Qc1 Kg7 36. Rc3 Qf6 37. Qd2 Qe7 38. Qc1 Rb8 39. Re3 Qg5 40. Qc3 Qg4 41. Qd2 Qf4 42. Bc2 1/2-1/2

[Event "Mainz op"]
[Site "Mainz"]
[Date "1987.??.??"]
[Round "1"]
[White "Blumel, R."]
[Black "Weber, Leo"]
[Result "0-1"]
[ECO "D85"]
[PlyCount "62"]
[EventDate "1987.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Nf3 0-0 8. Qc2 c5 9. d5 Bg4 10. Be2 Na6 11. Rb1 Qc7 12. 0-0 c4 13. Be3 Rab8 14. Nd4 Bxe2 15. Nxe2 Nc5 16. f4 f5 17. e5 Rfd8 18. Rfd1 b5 19. Nd4 a6 20. Nc6 Nd3 21. Rxd3 cxd3 22. Qxd3 Qxc6 23. dxc6 Rxd3 24. c7 Rc8 25. Bb6 Rxc3 26. Rd1 R3xc7 27. Bxc7 Rxc7 28. e6 Rc6 29. Rd8+ Bf8 30. Rd4 Rxe6 31. a4 Re4 0-1

[Event "Mainz op"]
[Site "Mainz"]
[Date "1987.??.??"]
[Round "4"]
[White "Bohnhoff, Peter"]
[Black "Weber, Leo"]
[Result "1/2-1/2"]
[ECO "B21"]
[PlyCount "74"]
[EventDate "1987.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 e6 5. Bc4 Bb4 6. Nf3 Ne7 7. 0-0 Bxc3 8. bxc3 0-0 9. Bg5 f6 10. Bf4 d5 11. exd5 exd5 12. Bb3 Be6 13. Qe2 Bf7 14. Nd4 Qd7 15. Rfe1 Ng6 16. Be3 Nc6 17. Ba4 a6 18. Rad1 b5 19. Bb3 Na5 20. Qf3 Rac8 21. Bc1 Nc4 22. Bc2 Rc7 23. Bf5 Qd6 24. Ne6 Nce5 25. Qh3 Bxe6 26. Bxe6+ Kh8 27. Rxd5 Qc6 28. f4 Re7 29. f5 Nf4 30. Bxf4 Rxe6 31. fxe6 Qxd5 32. e7 Qc5+ 33. Qe3 Qxe7 34. Bxe5 fxe5 35. Qxe5 Qa7+ 36. Qe3 Qf7 37. Qe2 h6 1/2-1/2

[Event "Mainz op"]
[Site "Mainz"]
[Date "1987.??.??"]
[Round "2"]
[White "Decker, Andre"]
[Black "Weber, Leo"]
[Result "0-1"]
[ECO "B80"]
[PlyCount "106"]
[EventDate "1987.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 Be7 7. Bd3 Nc6 8. Nb3 a6 9. a4 b6 10. 0-0 0-0 11. f4 Qc7 12. Qf3 h6 13. Bh4 Bb7 14. Bxf6 Bxf6 15. Qh5 Nb4 16. Rf3 Bxc3 17. bxc3 Nxd3 18. Rxd3 Bxe4 19. Rg3 Kh7 20. Qg4 Rg8 21. Rc1 Rac8 22. Nd4 Qc5 23. Kh1 Qa3 24. Re1 Rxc3 25. Nf3 Bxf3 26. Rxf3 Rxf3 27. Qxf3 Qxf3 28. gxf3 Rc8 29. Rd1 Rxc2 30. Rxd6 Rc4 31. Rxb6 Rxa4 32. Kg2 Ra2+ 33. Kg3 Kg6 34. Rb7 Rd2 35. Ra7 Ra2 36. h4 h5 37. Re7 a5 38. Ra7 a4 39. Ra5 f5 40. Ra6 Kf6 41. Ra5 a3 42. Kh3 Ra1 43. Kg2 Ke7 44. Kf2 Kd6 45. Kg2 a2 46. Ra8 Kc5 47. Ra4 Kb5 48. Ra8 Kb4 49. Rb8+ Kc3 50. Rc8+ Kd2 51. Rd8+ Ke3 52. Ra8 Re1 53. Rxa2 Re2+ 0-1

[Event "Cologne op"]
[Site "Cologne"]
[Date "1987.??.??"]
[Round "?"]
[White "Weber, Leo"]
[Black "Bruch, Jochen"]
[Result "1-0"]
[ECO "C15"]
[PlyCount "55"]
[EventDate "1987.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. Bd2 dxe4 5. Qg4 Qxd4 6. 0-0-0 h5 7. Qe2 Nc6 8. Nxe4 Nf6 9. Nxf6+ Qxf6 10. Bxb4 Nxb4 11. Qe4 Nc6 12. Nf3 a6 13. Rd5 g6 14. Bc4 0-0 15. Rg5 Kg7 16. Qe3 b5 17. Bd3 Bb7 18. Kb1 Rad8 19. h4 Nb4 20. Ne5 Bd5 21. Bxg6 fxg6 22. Rxg6+ Qxg6 23. Nxg6 Kxg6 24. Qg5+ Kf7 25. Qf4+ Ke8 26. Qxb4 Bxg2 27. Re1 Rd6 28. Qc5 1-0

[Event "Mainz op"]
[Site "Mainz"]
[Date "1987.??.??"]
[Round "5"]
[White "Weber, Leo"]
[Black "Mueller, Gerhard"]
[Result "1-0"]
[ECO "B02"]
[BlackElo "2315"]
[PlyCount "100"]
[EventDate "1987.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 Nf6 2. Nc3 d5 3. e5 d4 4. exf6 dxc3 5. fxg7 cxd2+ 6. Qxd2 Qxd2+ 7. Bxd2 Bxg7 8. 0-0-0 Nc6 9. Ne2 0-0 10. Bc3 e5 11. Ng3 Be6 12. Kb1 a6 13. Ne4 b6 14. Bd3 h6 15. f3 Ne7 16. g4 Nd5 17. Bd2 c5 18. g5 h5 19. Rhg1 Kh8 20. Ng3 h4 21. Nf5 b5 22. Rg4 Rfd8 23. Rxh4+ Kg8 24. Nxg7 Kxg7 25. Rh7+ Kg8 26. g6 f5 27. Bg5 Rd6 28. Be2 Rc8 29. h4 f4 30. Bf6 Kf8 31. Be7+ Nxe7 32. Rxd6 Bg8 33. Rh5 Nc6 34. Bd3 Ke7 35. Bf5 Rc7 36. Rd2 Nd4 37. Be4 b4 38. c3 bxc3 39. bxc3 Nb5 40. Rxe5+ Kf6 41. Rf5+ Kg7 42. Kb2 Rc8 43. Rd7+ Kh6 44. Rxf4 Rb8 45. Kc2 Na3+ 46. Kd1 Nc4 47. Rf6 Kh5 48. g7 Rb2 49. Rf8 Kxh4 50. Rxg8 Kg3 1-0

[Event "Mainz op"]
[Site "Mainz"]
[Date "1987.??.??"]
[Round "6"]
[White "Weber, Leo"]
[Black "Schiffer, Steve"]
[Result "0-1"]
[ECO "C89"]
[PlyCount "96"]
[EventDate "1987.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 0-0 8. c3 d5 9. exd5 Nxd5 10. Nxe5 Nxe5 11. Rxe5 Nf6 12. d4 Bd6 13. Re2 Ng4 14. h3 Qh4 15. Bd5 Rb8 16. Nd2 Nf6 17. Bf3 Bxh3 18. gxh3 Qxh3 19. Bg2 Qg4 20. Nf1 h5 21. Re1 Qh4 22. Qf3 Ng4 23. Bf4 Rb6 24. Re2 Qd8 25. Rae1 g5 26. Bc1 c5 27. Qh3 Bf4 28. Bxf4 gxf4 29. Qxh5 Rg6 30. f3 Nf6 31. Qxc5 Kg7 32. Qe5 Rh8 33. Qxf4 Qd7 34. Ng3 a5 35. Nf5+ Kh7 36. Qh2+ Kg8 37. Qb8+ Kh7 38. Qe5 Nh5 39. Nh4 Rh6 40. Kf2 Rg8 41. Nf5 Rg5 42. Bh3 Re6 43. Qc5 Nf4 44. Bg4 Nd3+ 45. Kg3 Nxc5 46. Rh2+ Kg8 47. Reh1 Qc7+ 48. Kf2 Nd3+ 0-1

[Event "Mainz op"]
[Site "Mainz"]
[Date "1987.??.??"]
[Round "3"]
[White "Weber, Leo"]
[Black "Tschop, W."]
[Result "1-0"]
[ECO "B54"]
[PlyCount "65"]
[EventDate "1987.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 d6 5. c4 Bd7 6. Be2 e6 7. 0-0 a6 8. Nc3 Be7 9. f4 Nf6 10. b3 Qb6 11. Be3 Qc7 12. Kh1 0-0 13. Rc1 Rfe8 14. Nc2 Rad8 15. Qe1 Bc8 16. Qf2 Nd7 17. Bd3 e5 18. f5 Bf6 19. g4 Nd4 20. g5 Nxc2 21. Rxc2 Nc5 22. gxf6 Nxd3 23. Qg3 g6 24. Qg5 Kh8 25. fxg6 fxg6 26. f7 Qe7 27. Qxe7 Rxe7 28. f8Q+ Rxf8 29. Rxf8+ Kg7 30. Rxc8 Rf7 31. Kg1 Rf3 32. Rc7+ Kg8 33. Nd5 1-0

[Event "Mainz op"]
[Site "Mainz"]
[Date "1987.??.??"]
[Round "7"]
[White "Weber, Leo"]
[Black "Werner, Dimo"]
[Result "0-1"]
[ECO "E66"]
[BlackElo "2370"]
[PlyCount "62"]
[EventDate "1987.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 d6 3. g3 g6 4. Bg2 Bg7 5. d4 0-0 6. Nf3 Nc6 7. d5 Na5 8. Qd3 c5 9. 0-0 a6 10. Rb1 e6 11. b4 cxb4 12. Rxb4 exd5 13. Nxd5 Nc6 14. Nxf6+ Bxf6 15. Rb3 Na5 16. Rb1 Re8 17. Nd2 Bf5 18. e4 Be6 19. Bb2 Bxb2 20. Rxb2 Rc8 21. Rfb1 Re7 22. Rb4 Rec7 23. Rb6 Nxc4 24. Nxc4 Bxc4 25. Qa3 Qe7 26. Rxd6 Bxa2 27. Rbd1 Rc1 28. Rxg6+ hxg6 29. Qxe7 Rxd1+ 30. Bf1 Bc4 31. Qxb7 Rcd8 0-1

[Event "WchT U26 01 fin-B"]
[Site "Mexico City"]
[Date "1978.09.03"]
[Round "7"]
[White "Muniz, Juan Luis"]
[Black "Weber, Leo"]
[Result "1/2-1/2"]
[ECO "B53"]
[PlyCount "45"]
[EventDate "1978.08.26"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]
[WhiteTeam "Puerto Rico"]
[BlackTeam "Luxembourg"]
[WhiteTeamCountry "PUR"]
[BlackTeamCountry "LUX"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 Bd7 5. c4 Nc6 6. Qd2 g6 7. b3 Bg7 8. Bb2 Nf6 9. Nc3 0-0 10. h3 Qa5 11. Bd3 Nh5 12. a3 Nf4 13. b4 Nxd3+ 14. Qxd3 Nxb4 15. axb4 Qxb4 16. Rb1 Rfc8 17. Nd2 Be6 18. 0-0 Bxc4 19. Nxc4 Qxc4 20. Qxc4 Rxc4 21. Nd5 e6 22. Nf6+ Kh8 23. Rfd1 1/2-1/2

[Event "WchT U26 01 fin-B"]
[Site "Mexico City"]
[Date "1978.09.02"]
[Round "6"]
[White "Weber, Leo"]
[Black "Pazos Gambarrotti, Plinio Efrain"]
[Result "1/2-1/2"]
[ECO "A70"]
[PlyCount "51"]
[EventDate "1978.08.26"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]
[WhiteTeam "Luxembourg"]
[BlackTeam "Ecuador"]
[WhiteTeamCountry "LUX"]
[BlackTeamCountry "ECU"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 7. Bf4 Bg7 8. Qa4+ Bd7 9. Qb3 Qc7 10. e4 0-0 11. Be2 Nh5 12. Be3 a6 13. a4 b6 14. Nd2 Ra7 15. Nc4 Bxa4 16. Qxa4 Bxc3+ 17. bxc3 b5 18. Qa5 bxc4 19. Qxc7 Rxc7 20. Bxc4 Re8 21. 0-0 Rxe4 22. Bxa6 f5 23. Bd3 Re8 24. Bb5 Rf8 25. Bh6 Rfc8 26. Rfe1 1/2-1/2

[Event "WchT U26 01 fin-B"]
[Site "Mexico City"]
[Date "1978.08.31"]
[Round "5"]
[White "Lau, Carlos"]
[Black "Weber, Leo"]
[Result "0-1"]
[ECO "B91"]
[WhiteElo "2245"]
[PlyCount "108"]
[EventDate "1978.08.26"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Nicaragua"]
[BlackTeam "Luxembourg"]
[WhiteTeamCountry "NCA"]
[BlackTeamCountry "LUX"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3 e5 7. Nb3 Be6 8. Bg2 Be7 9. 0-0 0-0 10. Be3 b5 11. Nd5 Bxd5 12. exd5 Nbd7 13. a4 Qc7 14. axb5 axb5 15. Qd3 b4 16. Rfc1 Nb6 17. Qb5 Nc4 18. Qxb4 Nxb2 19. Na5 Rab8 20. Qe1 Nc4 21. Nc6 Ra8 22. Qb4 Nxe3 23. fxe3 Rfc8 24. e4 Bf8 25. Bh3 Re8 26. Rcb1 Nd7 27. Ra3 Rab8 28. Qe1 Rb7 29. Rxb7 Qxb7 30. Ra7 Qb6+ 31. Qf2 Qxf2+ 32. Kxf2 Nc5 33. Bd7 Nxd7 34. Rxd7 Rc8 35. g4 f6 36. h3 g6 37. Ra7 Re8 38. Ke2 Bh6 39. Kd3 Bc1 40. c4 Bh6 41. c5 Bf8 42. cxd6 Bxd6 43. Kc4 f5 44. gxf5 gxf5 45. exf5 e4 46. Rd7 e3 47. Ne7+ Rxe7 48. Rxe7 Bxe7 49. Kd3 Bc5 50. d6 Kf7 51. Ke2 Kf6 52. Kf3 Bb6 53. Ke2 Kxf5 54. d7 Ke4 0-1

[Event "WchT U26 01 fin-B"]
[Site "Mexico City"]
[Date "1978.08.29"]
[Round "4"]
[White "Weber, Leo"]
[Black "El Ageli Kamel, Mohamed"]
[Result "1-0"]
[ECO "D11"]
[PlyCount "57"]
[EventDate "1978.08.26"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Luxembourg"]
[BlackTeam "Libya"]
[WhiteTeamCountry "LUX"]
[BlackTeamCountry "LBY"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. g3 Bf5 5. Bg2 e6 6. 0-0 Bd6 7. Nbd2 Nbd7 8. Nh4 Bg6 9. Nxg6 hxg6 10. e4 dxe4 11. Nxe4 Nxe4 12. Bxe4 f5 13. Bg2 g5 14. Re1 Qf6 15. Qe2 Rh6 16. d5 Rc8 17. h4 f4 18. Qxe6+ Qxe6 19. dxe6 Ne5 20. hxg5 Rxe6 21. Bxf4 Kf7 22. Rad1 Bc7 23. Bxe5 Rxe5 24. Rxe5 Bxe5 25. Rd7+ Kg6 26. Be4+ Kh5 27. f4 Bxb2 28. Rd2 Ba3 29. Rh2+ 1-0

[Event "WchT U26 01 fin-B"]
[Site "Mexico City"]
[Date "1978.08.27"]
[Round "2"]
[White "Weber, Leo"]
[Black "Tonsingh, Orrin"]
[Result "1-0"]
[ECO "E18"]
[PlyCount "99"]
[EventDate "1978.08.26"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Luxembourg"]
[BlackTeam "Jamaica"]
[WhiteTeamCountry "LUX"]
[BlackTeamCountry "JAM"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. Nc3 Ne4 7. 0-0 0-0 8. Nd2 Nxc3 9. bxc3 Bxg2 10. Kxg2 f5 11. Qc2 d6 12. e4 f4 13. Nf3 fxg3 14. hxg3 Nd7 15. Rh1 e5 16. c5 bxc5 17. Qb3+ Kh8 18. Be3 Qe8 19. Qe6 Qf7 20. Qg4 g6 21. Bh6 Nf6 22. Qh3 Nxe4 23. Qg4 Qf5 24. Qxf5 Rxf5 25. dxe5 dxe5 26. g4 Rf7 27. Rae1 Nxc3 28. Nxe5 Rg7 29. Bxg7+ Kxg7 30. Nxg6 Bd6 31. Ne5 Re8 32. Nf3 Rxe1 33. Rxe1 Kf6 34. a3 Na4 35. Nd2 Nb6 36. Kf3 c4 37. Ne4+ Kf7 38. Nxd6+ cxd6 39. Ke4 Kf6 40. f4 d5+ 41. Kd4 Kf7 42. f5 Kf6 43. Re6+ Kf7 44. g5 Kf8 45. Rc6 c3 46. Rxc3 Nc4 47. Kxd5 Nd2 48. Rd3 Nf1 49. Ke6 Nh2 50. f6 1-0

[Event "WchT U26 01 fin-B"]
[Site "Mexico City"]
[Date "1978.08.26"]
[Round "1"]
[White "Morales, Humberto"]
[Black "Weber, Leo"]
[Result "0-1"]
[ECO "D74"]
[WhiteElo "2235"]
[PlyCount "146"]
[EventDate "1978.08.26"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Mexico II"]
[BlackTeam "Luxembourg"]
[WhiteTeamCountry "MEX"]
[BlackTeamCountry "LUX"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. g3 Bg7 6. Bg2 0-0 7. 0-0 c6 8. d4 Nb6 9. h3 Na6 10. Bf4 Re8 11. Rc1 Nc4 12. b3 Nd6 13. e4 Nc7 14. a4 Ne6 15. Bxd6 exd6 16. Re1 Qa5 17. Qd3 Qb4 18. Ne2 Bd7 19. Rc4 Qb6 20. Nd2 Rad8 21. Kh2 Bc8 22. a5 Qxa5 23. Ra4 Qb6 24. Qc2 a6 25. f4 c5 26. d5 Nd4 27. Nxd4 Bxd4 28. Nf3 Bg7 29. Rc4 Qa5 30. Ra4 Qc3 31. Rc4 Qxc2 32. Rxc2 b5 33. e5 Bf5 34. Rcc1 Bf8 35. g4 Bd3 36. e6 f6 37. Re3 c4 38. bxc4 Bxc4 39. Nh4 a5 40. Be4 Rb8 41. Ng2 Be7 42. f5 gxf5 43. gxf5 Bf8 44. Rec3 Bh6 45. R1c2 a4 46. Ne1 Bf4+ 47. Kg1 Be5 48. Ra3 Bb3 49. Rg2+ Kh8 50. Nf3 Bc3 51. Bc2 Bb2 52. Rxb3 axb3 53. Bxb3 Rg8 54. Nd2 Ra8 55. Rxg8+ Kxg8 56. Kf2 Ra3 57. Bd1 Bd4+ 58. Kf1 Rxh3 59. Be2 b4 60. Nf3 Bc3 61. Kg2 Rh5 62. Bd3 b3 63. Be4 b2 64. Bc2 Kf8 65. Bd3 Ke7 66. Bc2 h6 67. Bb1 Rg5+ 68. Nxg5 fxg5 69. Kf3 h5 70. Ke3 g4 71. Be4 h4 72. Kf2 Bd4+ 73. Kf1 h3 0-1

[Event "WchT U26 01 prel-2"]
[Site "Mexico City"]
[Date "1978.08.24"]
[Round "3"]
[White "Pazos Gambarrotti, Plinio Efrain"]
[Black "Weber, Leo"]
[Result "1-0"]
[ECO "B87"]
[WhiteElo "2240"]
[PlyCount "55"]
[EventDate "1978.08.21"]
[EventType "team-tourn"]
[EventRounds "3"]
[EventCountry "MEX"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Ecuador"]
[BlackTeam "Luxembourg"]
[WhiteTeamCountry "ECU"]
[BlackTeamCountry "LUX"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 Be7 8. 0-0 0-0 9. f4 Qc7 10. Be3 b5 11. a3 Nbd7 12. f5 e5 13. Nde2 Bb7 14. Ng3 Rfd8 15. Nh5 Nc5 16. Nxf6+ Bxf6 17. Bd5 Be7 18. Qg4 Bf8 19. Rf3 Nd7 20. Rh3 Nf6 21. Qh4 Be7 22. Bg5 Kf8 23. Bxf6 Bxf6 24. Qxh7 Ra7 25. Bxb7 Rxb7 26. Nd5 Qc5+ 27. Kh1 Ke8 28. Rc3 1-0

[Event "WchT U26 01 prel-2"]
[Site "Mexico City"]
[Date "1978.08.22"]
[Round "2"]
[White "Weber, Leo"]
[Black "Nickoloff, Bryon"]
[Result "1/2-1/2"]
[ECO "A54"]
[BlackElo "2280"]
[PlyCount "171"]
[EventDate "1978.08.21"]
[EventType "team-tourn"]
[EventRounds "3"]
[EventCountry "MEX"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Luxembourg"]
[BlackTeam "Canada"]
[WhiteTeamCountry "LUX"]
[BlackTeamCountry "CAN"]

1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. Bg5 Be7 6. e3 c6 7. Qc2 Qa5 8. Bxf6 Nxf6 9. Be2 0-0 10. 0-0 Re8 11. Rfd1 Bf8 12. dxe5 dxe5 13. Nd2 Qc7 14. h3 Kh8 15. a3 Re6 16. b4 Ne8 17. c5 Rh6 18. Nde4 f5 19. Ng3 f4 20. exf4 exf4 21. Nf5 Rf6 22. Nd4 Qf7 23. Ne4 Rh6 24. Ng5 Qf6 25. Ndf3 Be7 26. Bc4 Bf5 27. Ne5 g6 28. Qb3 Kg7 29. Ngf3 Rh5 30. Ra2 Rd8 31. Rad2 Rxd2 32. Rxd2 Bc8 33. Ng4 Qf8 34. Re2 Nf6 35. Nge5 Qd8 36. Rd2 Qc7 37. Nf7 Nd5 38. N7e5 Rxe5 39. Nxe5 Qxe5 40. Re2 Qg5 41. Qf3 Nc7 42. Re4 Qf6 43. Rxf4 Qa1+ 44. Kh2 Bf6 45. Re4 Bf5 46. Re3 Qd4 47. Bb3 Bg5 48. Re1 Qf4+ 49. Qxf4 Bxf4+ 50. g3 Bg5 51. f4 Bd8 52. g4 Bc8 53. Kg3 Kf8 54. f5 gxf5 55. gxf5 Nb5 56. Kf4 Nd4 57. Bc4 Nxf5 58. Bd3 Nh4 59. Rg1 Bc7+ 60. Ke3 h6 61. Bc4 Nf5+ 62. Ke4 Ng3+ 63. Kf3 Bxh3 64. Rxg3 Bxg3 65. Kxg3 Bd7 66. Kf4 Ke7 67. Be2 Be8 68. Bg4 h5 69. Bc8 b6 70. cxb6 axb6 71. a4 Kd6 72. Ba6 c5 73. bxc5+ Kxc5 74. Be2 Kb4 75. Bd1 Ka3 76. Kg5 h4 77. Kxh4 Bxa4 78. Be2 Kb4 79. Kg3 Kc3 80. Kf2 Kd2 81. Bf1 Bc6 82. Be2 Be4 83. Bb5 Bd3 84. Bd7 Ba6 85. Be8 Kd3 86. Ke1 1/2-1/2

[Event "WchT U26 01 prel-2"]
[Site "Mexico City"]
[Date "1978.08.21"]
[Round "1"]
[White "Weber, Leo"]
[Black "Garcia Gonzales, Guillermo"]
[Result "0-1"]
[ECO "A72"]
[BlackElo "2535"]
[PlyCount "84"]
[EventDate "1978.08.21"]
[EventType "team-tourn"]
[EventRounds "3"]
[EventCountry "MEX"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Luxembourg"]
[BlackTeam "Cuba"]
[WhiteTeamCountry "LUX"]
[BlackTeamCountry "CUB"]

1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. e4 Bg7 8. Be2 0-0 9. Bg5 a6 10. a4 h6 11. Bh4 g5 12. Bg3 Nh5 13. Nd2 Nxg3 14. hxg3 f5 15. exf5 Bxf5 16. g4 Bg6 17. Nde4 Qe7 18. f3 Nd7 19. Qd2 b5 20. Ng3 Nb6 21. 0-0 Qe5 22. Nce4 Nxa4 23. b3 Qd4+ 24. Qxd4 Bxd4+ 25. Kh1 Nb6 26. Rac1 Rad8 27. Bd3 Kg7 28. Ne2 Be5 29. N2c3 Bxc3 30. Rxc3 Nxd5 31. Rcc1 Nb4 32. Bb1 Bxe4 33. Bxe4 d5 34. Bf5 c4 35. bxc4 dxc4 36. Rce1 Rfe8 37. Be4 Rd2 38. Rb1 Na2 39. Ra1 b4 40. Kh2 b3 41. Rad1 c3 42. Rb1 b2 0-1

[Event "World U20-ch12 Final C"]
[Site "Teeside"]
[Date "1973.08.04"]
[Round "11"]
[White "Knochel, Torben"]
[Black "Weber, Leo"]
[Result "0-1"]
[ECO "A12"]
[PlyCount "103"]
[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. g3 Nf6 2. Bg2 d5 3. c4 c6 4. Nf3 Bf5 5. 0-0 e6 6. b3 Be7 7. Bb2 Nbd7 8. d3 h6 9. Nbd2 0-0 10. a3 Rc8 11. b4 a5 12. Qb3 axb4 13. axb4 Qb6 14. Bc3 Ra8 15. Rfb1 Ng4 16. c5 Qc7 17. h3 Ngf6 18. Qb2 Bg6 19. Nb3 Rfc8 20. Kh2 Ne8 21. Rxa8 Rxa8 22. Ra1 Qc8 23. Ra2 f6 24. Qa1 Rb8 25. Nfd4 e5 26. Nc2 d4 27. Bd2 Bf7 28. Ra3 Nc7 29. Na5 Nd5 30. Nc4 b5 31. cxb6 N7xb6 32. Ra7 Nxc4 33. dxc4 Nxb4 34. Rxe7 Nxc2 35. Qa7 Ra8 36. Qc5 Ra6 37. Ba5 Qf8 38. Bc7 d3 39. exd3 Nd4 40. Bd6 Qa8 41. Qb4 Ra7 42. Rxa7 Qxa7 43. Bc5 Qd7 44. Qb6 Be8 45. h4 Kh7 46. Bh3 Nf3+ 47. Kg2 Qxd3 48. Qb4 Bg6 49. Qa3 Ne1+ 50. Kh2 Qxc4 51. Bf8 Qd5 52. Bg2 0-1

[Event "World U20-ch12 Final C"]
[Site "Teeside"]
[Date "1973.08.03"]
[Round "10"]
[White "Weber, Leo"]
[Black "Balmer, Stephen"]
[Result "1-0"]
[ECO "D06"]
[PlyCount "91"]
[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 d5 2. c4 Bf5 3. cxd5 Bxb1 4. Rxb1 Qxd5 5. b3 Nf6 6. Nf3 e6 7. Qc2 Nc6 8. e3 Bd6 9. Bc4 Qh5 10. Be2 0-0 11. Ne5 Qg5 12. h4 Qf5 13. Qxf5 exf5 14. Nxc6 bxc6 15. 0-0 c5 16. Rd1 cxd4 17. exd4 Ne4 18. Bb2 Rfe8 19. Bb5 Re7 20. Rbc1 Rb8 21. Bc6 f4 22. Re1 f5 23. f3 Ng3 24. Rxe7 Bxe7 25. Bd5+ Kf8 26. Rxc7 Rd8 27. Bc4 a5 28. a4 h6 29. Kf2 Nh1+ 30. Ke2 Ng3+ 31. Kd3 Nf1 32. Bc1 g5 33. hxg5 hxg5 34. Be6 Rd6 35. d5 Rb6 36. Rc8+ Kg7 37. Bb2+ Kg6 38. Rg8+ Kh5 39. Bxf5 Rxb3+ 40. Kc2 Rb6 41. Bd4 Rh6 42. Bg4+ Kh4 43. Bf2+ Ng3 44. Re8 Bb4 45. d6 Bxd6 46. Re1 1-0

[Event "World U20-ch12 Final C"]
[Site "Teeside"]
[Date "1973.08.02"]
[Round "9"]
[White "Weber, Leo"]
[Black "Sheinwald, Chagai"]
[Result "0-1"]
[ECO "D80"]
[PlyCount "116"]
[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 g6 3. Nc3 d5 4. Bg5 Ne4 5. Bh4 c5 6. cxd5 Nxc3 7. bxc3 Qxd5 8. e3 cxd4 9. Qxd4 Qxd4 10. exd4 e6 11. Bd3 Be7 12. Bg3 Bd7 13. Nf3 Bc6 14. 0-0 Nd7 15. Rab1 0-0 16. Ne5 Nxe5 17. Bxe5 Rac8 18. f3 Rfd8 19. Be4 Bxe4 20. fxe4 b6 21. Rf3 Bd6 22. Bf6 Rd7 23. Rd3 Rdc7 24. Rb3 Be7 25. Be5 Rc4 26. Rf3 Bd8 27. Bg3 a5 28. Be1 e5 29. Rd3 exd4 30. cxd4 Rc1 31. Kf1 Ra1 32. Rbc3 Rxc3 33. Rxc3 Be7 34. Rc2 Bb4 35. Re2 Kf8 36. e5 Rd1 37. Kf2 Rxd4 38. Ke3 Bc5 39. Kf3 Ke7 40. Rc2 a4 41. Bf2 Rd5 42. Ke4 Ke6 43. Bg3 a3 44. Bf4 g5 45. Rd2 Rxd2 46. Bxd2 g4 47. Bc3 b5 48. Bd2 Be7 49. Bc3 h5 50. h3 gxh3 51. gxh3 b4 52. Bd2 Bc5 53. Be1 Bf8 54. Bd2 Bc5 55. Be1 Bf8 56. Bd2 b3 57. axb3 Bg7 58. Bc3 f5+ 0-1

[Event "World U20-ch12 Final C"]
[Site "Teeside"]
[Date "1973.08.01"]
[Round "8"]
[White "Nieto Miguez, Manuel"]
[Black "Weber, Leo"]
[Result "0-1"]
[ECO "B26"]
[PlyCount "70"]
[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. Nc3 d6 3. Nge2 Nc6 4. g3 g6 5. Bg2 Bg7 6. 0-0 e6 7. d3 Nge7 8. Be3 Nd4 9. Qd2 0-0 10. Nd1 Rb8 11. c3 Nxe2+ 12. Qxe2 Nc6 13. f4 Qc7 14. h4 b5 15. Rc1 b4 16. h5 bxc3 17. bxc3 Ne7 18. g4 f5 19. gxf5 gxf5 20. Rf3 Kh8 21. Rg3 Ng8 22. Nf2 Nh6 23. Kh1 Qe7 24. d4 cxd4 25. cxd4 fxe4 26. Bxe4 Nf5 27. Bxf5 Rxf5 28. Rcg1 Bb7+ 29. Kh2 Qh4+ 30. Nh3 Rxh5 31. Bf2 Bd5 32. f5 exf5 33. Re3 Qf4+ 34. Bg3 Qh6 35. Bxd6 Qxd6+ 0-1

[Event "World U20-ch12 Final C"]
[Site "Teeside"]
[Date "1973.07.31"]
[Round "7"]
[White "Weber, Leo"]
[Black "Oney, Adil Feridun"]
[Result "1/2-1/2"]
[ECO "E07"]
[PlyCount "135"]
[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. Nf3 Bb4+ 4. Bd2 Be7 5. Nc3 d5 6. g3 0-0 7. Bg2 c6 8. Bf4 Nbd7 9. 0-0 Nh5 10. Bc1 f5 11. Qc2 Bd6 12. Ng5 Qe8 13. f4 Ndf6 14. c5 Bc7 15. b4 h6 16. Nf3 Ne4 17. Nxe4 dxe4 18. Nd2 Nf6 19. a4 a5 20. Qb3 axb4 21. Qxb4 Qh5 22. Re1 Ba5 23. Qb3 Ng4 24. h3 Nf6 25. Bf1 g5 26. e3 gxf4 27. gxf4 Kh8 28. Re2 Bxd2 29. Bxd2 Rg8+ 30. Rg2 Bd7 31. Ra2 Rxg2+ 32. Bxg2 Rg8 33. Kf1 Qg6 34. Be1 Nd5 35. Rf2 e5 36. dxe5 Be6 37. Qa3 Ne7 38. Qc1 Bb3 39. a5 Ba4 40. Kg1 Nd5 41. Rb2 Bb5 42. Kh1 Bf1 43. Qd2 Bxg2+ 44. Qxg2 Qxg2+ 45. Rxg2 Rxg2 46. Kxg2 Nxe3+ 47. Kg1 Nd5 48. Bg3 Ne3 49. Be1 Kg7 50. Kf2 Nd5 51. Kg3 h5 52. Bd2 Ne7 53. Kh4 Kh6 54. Kg3 Ng6 55. Kf2 Kg7 56. Ke3 Kf7 57. Kd4 Nf8 58. Be3 Ne6+ 59. Kc4 Ke7 60. Bd2 Kd7 61. Be3 Nf8 62. Kd4 Ke6 63. Bd2 Ng6 64. Be3 Nh4 65. Kc4 Nf3 66. Bd4 Ne1 67. Be3 Nd3 68. Kd4 1/2-1/2

[Event "World U20-ch12 Final C"]
[Site "Teeside"]
[Date "1973.07.29"]
[Round "6"]
[White "Semokoff, Aleks"]
[Black "Weber, Leo"]
[Result "1/2-1/2"]
[ECO "B21"]
[PlyCount "27"]
[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. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 d6 6. Bc4 g6 7. 0-0 Bg7 8. Qe2 Nh6 9. h3 0-0 10. Bf4 Kh8 11. Rfd1 Qa5 12. Qe3 Ng8 13. Rd5 Qd8 14. Rd2 1/2-1/2

[Event "World U20-ch12 Final C"]
[Site "Teeside"]
[Date "1973.07.28"]
[Round "5"]
[White "Weber, Leo"]
[Black "Garcia, Gildardo"]
[Result "0-1"]
[ECO "E17"]
[PlyCount "102"]
[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. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. Nc3 d5 7. 0-0 Nbd7 8. cxd5 exd5 9. Qa4 a6 10. b4 0-0 11. Rb1 Bd6 12. Qb3 Kh8 13. Nh4 Re8 14. Re1 c6 15. Nf5 Bf8 16. Bf4 Ng4 17. Bh3 Ngf6 18. Bg2 Nh5 19. Bd2 Qf6 20. Qc2 g6 21. Nh4 Bg7 22. Nf3 Qd6 23. e4 f6 24. Qc1 dxe4 25. Nxe4 Qd5 26. Qc2 f5 27. Neg5 Qg8 28. d5 Rac8 29. Rxe8 Qxe8 30. Re1 Qf8 31. d6 c5 32. Re7 cxb4 33. Qb3 Nc5 34. Qf7 Bxf3 35. Bxf3 Nf6 36. Bxb4 h6 37. Qxf8+ Bxf8 38. Rf7 Ncd7 39. Ne6 Kg8 40. Nxf8 Kxf7 41. Nxd7 Nxd7 42. Bd5+ Ke8 43. Bd2 Nf6 44. Be6 Rc6 45. Bxh6 Rxd6 46. Bb3 b5 47. Bf4 Rd3 48. Bc7 Ne4 49. Bc2 Rd2 50. Bxe4 fxe4 51. a3 Rd3 0-1

[Event "World U20-ch12 Final C"]
[Site "Teeside"]
[Date "1973.07.27"]
[Round "4"]
[White "Tanner, Henry"]
[Black "Weber, Leo"]
[Result "1/2-1/2"]
[ECO "D13"]
[PlyCount "111"]
[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 Nf6 2. g3 c6 3. Bg2 d5 4. cxd5 cxd5 5. d4 Nc6 6. Nf3 Bf5 7. 0-0 e6 8. b3 Qa5 9. Bb2 Be7 10. a3 Qb6 11. Re1 Na5 12. Nbd2 Rc8 13. b4 0-0 14. Rc1 Ne4 15. Ne5 Rfd8 16. Rxc8 Rxc8 17. Nxe4 Bxe4 18. Bxe4 dxe4 19. d5 Nc4 20. Bd4 Qd6 21. Nxc4 Rxc4 22. Bc5 Qd7 23. d6 Bd8 24. Qb3 b5 25. a4 a6 26. axb5 Qxb5 27. Qa3 a5 28. Ra1 h6 29. Qa4 Qxa4 30. Rxa4 f5 31. e3 Kf7 32. d7 e5 33. Rxa5 Bxa5 34. bxa5 Rc1+ 35. Kg2 Rd1 36. Bd4 Ke7 37. Bxe5 g6 38. a6 Rd2 39. d8Q+ Kxd8 40. a7 Ra2 41. Bd4 Ke7 42. h3 g5 43. g4 f4 44. exf4 gxf4 45. h4 Kf7 46. Kf1 Ke6 47. h5 Kd5 48. Bg7 Rxa7 49. Bxh6 Ke5 50. Bf8 Kf6 51. Bh6 Ke5 52. Bg5 f3 53. Ke1 Ra1+ 54. Kd2 Ra2+ 55. Ke1 Ra1+ 56. Kd2 1/2-1/2

[Event "World U20-ch12 Final C"]
[Site "Teeside"]
[Date "1973.07.26"]
[Round "3"]
[White "Weber, Leo"]
[Black "Melrose, Gregory"]
[Result "0-1"]
[ECO "D80"]
[PlyCount "88"]
[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 g6 3. Nc3 d5 4. Bg5 Ne4 5. Bh4 Nxc3 6. bxc3 Bg7 7. cxd5 Qxd5 8. e3 c5 9. Qf3 Qxf3 10. Nxf3 Nc6 11. Bc4 0-0 12. 0-0 cxd4 13. exd4 Bf5 14. Rad1 e6 15. Bb3 Na5 16. Rc1 Rfc8 17. Ne5 Nxb3 18. axb3 f6 19. Nf3 Bh6 20. Bxf6 Bxc1 21. Rxc1 b5 22. Ne5 a5 23. Nd7 Ra7 24. Nc5 Kf7 25. Be5 a4 26. f3 g5 27. g4 Bg6 28. b4 a3 29. Nb3 a2 30. Na1 Ra3 31. d5 exd5 32. Kf2 Re8 33. Bd4 Bd3 34. Re1 Rxe1 35. Kxe1 Ra6 36. Kf2 Kg6 37. h3 Bc4 38. Bc5 Re6 39. Be3 h5 40. Nc2 hxg4 41. hxg4 Re7 42. Na1 Rh7 43. Kg2 d4 44. cxd4 Bd5 0-1

[Event "World U20-ch12 Final C"]
[Site "Teeside"]
[Date "1973.07.25"]
[Round "2"]
[White "Ammann, Philipp"]
[Black "Weber, Leo"]
[Result "1/2-1/2"]
[ECO "D79"]
[PlyCount "91"]
[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 c5 2. g3 g6 3. Bg2 Bg7 4. 0-0 Nc6 5. c3 d5 6. d4 cxd4 7. cxd4 Nf6 8. Nc3 0-0 9. Ne5 e6 10. Nxc6 bxc6 11. Na4 Nd7 12. Bf4 Ba6 13. Rc1 Bb5 14. Nc3 Qb6 15. Be3 Rfc8 16. Qd2 a5 17. Rc2 a4 18. Rfc1 Bc4 19. Bf1 Rd8 20. Rd1 Bf8 21. Bg5 f6 22. Bh6 Bb4 23. Bh3 c5 24. a3 cxd4 25. axb4 dxc3 26. Rxc3 Kf7 27. Re3 Ne5 28. Bf4 d4 29. Rxe5 fxe5 30. Bxe5 Kg8 31. Qg5 Rf8 32. Bxd4 Qd6 33. Rd2 Rf7 34. Bg2 Rc8 35. Bc3 Qb6 36. e3 Rf5 37. Qe7 Rf7 38. Qg5 Qc7 39. Qh4 Qb6 40. Qg5 Rf5 41. Qh4 Qc7 42. Be4 Rff8 43. Qg5 Rf7 44. Bc2 Bb3 45. Bxb3 axb3 46. Qg4 1/2-1/2

[Event "World U20-ch12 Final C"]
[Site "Teeside"]
[Date "1973.07.24"]
[Round "1"]
[White "Weber, Leo"]
[Black "Pascual, Edmund"]
[Result "1-0"]
[ECO "E61"]
[PlyCount "83"]
[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 g6 3. Nc3 Bg7 4. Bg5 d6 5. e3 h6 6. Bh4 c6 7. Nf3 g5 8. Bg3 Nh5 9. Nd2 Nxg3 10. hxg3 c5 11. d5 Bf5 12. g4 Bg6 13. Nde4 Qa5 14. Qd2 Nd7 15. Ng3 Ne5 16. Nf5 Bf6 17. Be2 h5 18. Ne4 Qxd2+ 19. Kxd2 Kd7 20. Nfxd6 Bxe4 21. Nxe4 hxg4 22. Nxc5+ Kc7 23. Ne4 Rh4 24. Nxf6 exf6 25. g3 Rh3 26. f4 Ng6 27. Rxh3 gxh3 28. Rh1 Rh8 29. Rh2 f5 30. Bd3 Ne7 31. fxg5 Kd6 32. Bf1 Ke5 33. Rxh3 Rxh3 34. Bxh3 Nc8 35. Bg2 Nb6 36. Kd3 a5 37. b3 Nd7 38. a3 Nc5+ 39. Kc3 b6 40. b4 Nb7 41. Kd3 Nd6 42. c5 1-0

[Event "World U20-ch12 Preliminaries B"]
[Site "Teeside"]
[Date "1973.07.22"]
[Round "7"]
[White "Santos, Luis M"]
[Black "Weber, Leo"]
[Result "0-1"]
[ECO "B21"]
[PlyCount "65"]
[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 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 d6 6. Bc4 e6 7. 0-0 Nge7 8. Bg5 Qd7 9. Qe2 Ng6 10. Rad1 a6 11. Nd4 h6 12. Be3 Be7 13. Nxe6 fxe6 14. Qh5 0-0 15. Qxg6 Ne5 16. Qg3 Nxc4 17. Bxh6 Rf7 18. b3 Nb6 19. f4 Qd8 20. e5 d5 21. Ne4 Bd7 22. Ng5 Bxg5 23. fxg5 Re7 24. g6 gxh6 25. Rf7 Rxf7 26. gxf7+ Kh8 27. Rf1 Qf8 28. Qe3 d4 29. Qxd4 Nd5 30. Rf3 Qg7 31. Qc5 Rf8 32. Rg3 Qxf7 33. Rf3 0-1

[Event "World U20-ch12 Preliminaries B"]
[Site "Teeside"]
[Date "1973.07.21"]
[Round "6"]
[White "Semokoff, Aleks"]
[Black "Weber, Leo"]
[Result "1-0"]
[ECO "B53"]
[PlyCount "57"]
[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 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 Nc6 5. Bb5 Qd7 6. Qd3 a6 7. Ba4 b5 8. Bb3 e6 9. a4 Rb8 10. axb5 axb5 11. 0-0 Nf6 12. Nc3 Qb7 13. Bf4 b4 14. Nd5 Nh5 15. Bg5 h6 16. Be3 Be7 17. Nxe7 Qxe7 18. Ba4 Bd7 19. Rfd1 Nf6 20. Qxd6 Qxd6 21. Rxd6 Ra8 22. Rxc6 0-0 23. Ne5 Bxc6 24. Nxc6 Nxe4 25. f3 Nf6 26. Nxb4 Rfb8 27. c3 Nd5 28. Nxd5 exd5 29. Ra2 1-0

[Event "World U20-ch12 Preliminaries B"]
[Site "Teeside"]
[Date "1973.07.20"]
[Round "5"]
[White "Weber, Leo"]
[Black "Strugo, Victor"]
[Result "1/2-1/2"]
[ECO "D12"]
[PlyCount "82"]
[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 d5 2. c4 c6 3. Nf3 Nf6 4. e3 Bf5 5. Nc3 e6 6. Bd3 Bxd3 7. Qxd3 Nbd7 8. 0-0 Bb4 9. b3 0-0 10. Bb2 Qe7 11. Ne5 c5 12. cxd5 Bxc3 13. Bxc3 Nxe5 14. dxe5 Nxd5 15. Bb2 Rfd8 16. Rad1 Nb4 17. Qb1 Rxd1 18. Rxd1 Rd8 19. a3 Rxd1+ 20. Qxd1 Nc6 21. f4 Qd8 22. Qd6 Qxd6 23. exd6 f5 24. Kf2 Kf7 25. Kf3 g6 26. e4 fxe4+ 27. Kxe4 Ke8 28. g4 Kd7 29. Be5 Nd8 30. f5 gxf5+ 31. gxf5 Nf7 32. fxe6+ Kxe6 33. d7 a6 34. Bf4 Kxd7 35. Kd5 b6 36. a4 Nd8 37. Be3 Nc6 38. Kc4 Ke6 39. Bf4 Ne5+ 40. Bxe5 Kxe5 41. a5 bxa5 1/2-1/2

[Event "World U20-ch12 Preliminaries B"]
[Site "Teeside"]
[Date "1973.07.19"]
[Round "4"]
[White "Weber, Leo"]
[Black "Momeni Roudsari, Hadi"]
[Result "0-1"]
[ECO "A67"]
[PlyCount "62"]
[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 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8. Bb5+ Nfd7 9. Bd3 0-0 10. Nf3 Na6 11. 0-0 Nb4 12. Be2 Na6 13. Be3 b6 14. Nd2 Qe7 15. Qa4 Nc7 16. Qb3 Ba6 17. Rfe1 Bxe2 18. Rxe2 b5 19. Rd1 b4 20. Na4 Nb5 21. Nf3 Qxe4 22. Ng5 Qf5 23. a3 Rfe8 24. Qc4 Nd4 25. Bxd4 Bxd4+ 26. Kh1 Rxe2 27. Qxe2 bxa3 28. bxa3 Qxf4 29. Qe7 Nf8 30. Re1 h6 31. Ne4 Be5 0-1

[Event "World U20-ch12 Preliminaries B"]
[Site "Teeside"]
[Date "1973.07.18"]
[Round "3"]
[White "Stean, Michael F"]
[Black "Weber, Leo"]
[Result "1-0"]
[ECO "B92"]
[PlyCount "93"]
[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 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. 0-0 Qc7 9. a4 b6 10. Be3 0-0 11. Qd2 Bb7 12. f3 Nbd7 13. Rfd1 Rfd8 14. Bf1 Nc5 15. Nxc5 dxc5 16. Qf2 Nd7 17. Bc4 Nf8 18. Bd5 Ne6 19. Bxb7 Qxb7 20. Nd5 Nd4 21. c3 Nb3 22. Rab1 f6 23. Qc2 Na5 24. b4 Nc4 25. Qb3 Nxe3 26. Nxe3+ Kf8 27. b5 axb5 28. axb5 Rxd1+ 29. Rxd1 Rd8 30. Rxd8+ Bxd8 31. Qe6 Qa7 32. Qd5 Qa1+ 33. Kf2 Qb2+ 34. Kg3 Be7 35. Qd7 c4 36. Nd5 Qa3 37. Nxb6 Qc1 38. Nd5 Bc5 39. Qc8+ Kf7 40. Qd7+ Kf8 41. b6 Qd2 42. Qc8+ Kf7 43. Qf5 Bf2+ 44. Kg4 Bc5 45. Qh5+ Kf8 46. Kh3 Qb2 47. Qf5 1-0

[Event "World U20-ch12 Preliminaries B"]
[Site "Teeside"]
[Date "1973.07.17"]
[Round "2"]
[White "Weber, Leo"]
[Black "Kernan, Bernard"]
[Result "1-0"]
[ECO "A44"]
[PlyCount "113"]
[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 c5 2. d5 e5 3. e4 d6 4. c4 Ne7 5. Bd3 a6 6. Nc3 Nd7 7. Nge2 g6 8. g4 h5 9. g5 h4 10. h3 Bg7 11. Be3 Nf8 12. a3 Bd7 13. b4 b6 14. Rb1 f5 15. gxf6 Bxf6 16. f4 Qc8 17. Na4 Rb8 18. bxc5 bxc5 19. Rb6 Rxb6 20. Nxb6 Qc7 21. Qb3 exf4 22. Bxf4 g5 23. Na8 Qa7 24. Bxd6 Qxa8 25. e5 Bg7 26. Rg1 g4 27. e6 Nxe6 28. dxe6 Bxe6 29. Nf4 Qf3 30. Rf1 Qe3+ 31. Kd1 Qd4 32. Nxe6 Qxd6 33. Nxg7+ Kd7 34. Qb7+ Kd8 35. Kc2 Qh2+ 36. Kb1 Qe5 37. Qa8+ Nc8 38. Qd5+ Qxd5 39. cxd5 gxh3 40. Ne6+ Ke7 41. Rh1 Kd6 42. Rxh3 Ne7 43. Nf4 Ke5 44. Ng6+ Nxg6 45. Bxg6 Kxd5 46. Kc2 Rh6 47. Be8 Kd4 48. Rd3+ Kc4 49. Bf7+ Kb5 50. Rh3 Ka5 51. Bc4 Ka4 52. Kb2 Rb6+ 53. Bb3+ Kb5 54. Rxh4 Rf6 55. Bc4+ Kb6 56. Re4 Rf2+ 57. Re2 1-0

[Event "World U20-ch12 Preliminaries B"]
[Site "Teeside"]
[Date "1973.07.16"]
[Round "1"]
[White "Seidler, Aldo Emilio"]
[Black "Weber, Leo"]
[Result "1/2-1/2"]
[ECO "B07"]
[PlyCount "80"]
[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 c5 2. Nf3 d6 3. d4 cxd4 4. c3 Nf6 5. Bd3 Nc6 6. cxd4 g6 7. Nc3 Bg7 8. h3 0-0 9. 0-0 e5 10. Be3 d5 11. dxe5 Nxe4 12. Nxe4 dxe4 13. Bxe4 Nxe5 14. Nxe5 Bxe5 15. Qf3 Bxb2 16. Rab1 Qf6 17. Rfd1 Qxf3 18. Bxf3 Be5 19. Bxb7 Bxb7 20. Rxb7 Rfd8 21. Rxd8+ Rxd8 22. Kf1 a6 23. Ra7 Rd6 24. Bh6 f5 25. Ke2 Bd4 26. Re7 Bf6 27. Rb7 Bd4 28. Kf3 Rc6 29. Rd7 Be5 30. Be3 Rc2 31. Rd5 Bc7 32. Rc5 Rxc5 33. Bxc5 Kf7 34. Ke3 Ke6 35. Kd4 Be5+ 36. Kc4 Bc7 37. Kd4 Be5+ 38. Kc4 Bc7 39. a3 Ba5 40. Bb4 Bb6 1/2-1/2

[Event "World U20-ch11 Final C"]
[Site "Athens"]
[Date "1971.08.13"]
[Round "11"]
[White "Bellin, Robert"]
[Black "Weber, Leo"]
[Result "0-1"]
[ECO "B87"]
[PlyCount "66"]
[EventDate "1971.08.02"]
[EventType "tourn"]
[EventRounds "11"]
[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. Nc3 a6 4. d4 cxd4 5. Nxd4 Nf6 6. Bc4 e6 7. Bb3 b5 8. 0-0 Be7 9. Qf3 Qc7 10. Qg3 0-0 11. a3 Nc6 12. Nxc6 Qxc6 13. Bh6 Ne8 14. Nd5 Qb7 15. Nxe7+ Qxe7 16. Rad1 Bb7 17. f3 Kh8 18. Bd2 a5 19. Bc3 f6 20. Rf2 e5 21. f4 Bxe4 22. Re1 Bc6 23. fxe5 dxe5 24. Qe3 Nc7 25. Qb6 Ra6 26. Qe3 Rd8 27. Qg3 Qc5 28. Qh4 Raa8 29. Bf7 Be8 30. Bxe8 Rxe8 31. Bxa5 Rxa5 32. b4 Ra4 33. Re3 Qxe3 0-1

[Event "World U20-ch11 Final C"]
[Site "Athens"]
[Date "1971.08.11"]
[Round "10"]
[White "Weber, Leo"]
[Black "Arieh, Lev"]
[Result "0-1"]
[ECO "D24"]
[PlyCount "84"]
[EventDate "1971.08.02"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "GRE"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. Nc3 a6 5. a4 Nc6 6. e3 Na5 7. Ne5 Be6 8. Be2 g6 9. Bd2 Bg7 10. Ra3 c6 11. 0-0 Nd7 12. Nxd7 Qxd7 13. Ne4 Nb3 14. Bb4 a5 15. Bc3 0-0 16. Nd2 Nxd2 17. Qxd2 b6 18. e4 f5 19. exf5 Rxf5 20. Re1 Rf7 21. Qe3 Raf8 22. f3 Bd5 23. Rc1 h5 24. Be1 Bxf3 25. Bc3 Bxe2 26. Qxe2 Bxd4+ 27. Kh1 Rf2 28. Qxc4+ Kh7 29. Bxd4 R2f4 30. Re3 c5 31. Rce1 R8f7 32. g3 Qxd4 33. Qxd4 Rxd4 34. Rxe7 Rxe7 35. Rxe7+ Kh6 36. Re2 Rxa4 37. Kg2 Ra2 38. Kf3 a4 39. g4 hxg4+ 40. Kxg4 a3 41. Re6 axb2 42. Rxb6 Ra4+ 0-1

[Event "World U20-ch11 Final C"]
[Site "Athens"]
[Date "1971.08.10"]
[Round "9"]
[White "Haigh, Geoff"]
[Black "Weber, Leo"]
[Result "0-1"]
[ECO "D19"]
[PlyCount "84"]
[EventDate "1971.08.02"]
[EventType "tourn"]
[EventRounds "11"]
[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. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Bb4 8. 0-0 0-0 9. Qe2 Bg6 10. Ne5 Nbd7 11. Nxg6 hxg6 12. Rd1 Qc7 13. e4 Rac8 14. e5 Nd5 15. Ne4 Be7 16. Bg5 Bxg5 17. Nxg5 Rfd8 18. Ra3 Nf8 19. Qg4 Nh7 20. Ne4 Ne7 21. Nd6 Rxd6 22. exd6 Qxd6 23. Rb3 b6 24. a5 b5 25. Bd3 Nf6 26. Qh4 a6 27. Bb1 c5 28. g4 c4 29. Rh3 Kf8 30. Qh8+ Neg8 31. Qh4 Qc7 32. Rf3 Qc6 33. Qg3 Ne7 34. g5 Nh5 35. Qg4 Kg8 36. Qe4 Qc7 37. Re1 Nd5 38. Qg4 Re8 39. Bxg6 fxg6 40. Rxe6 Qc8 41. Rxe8+ Qxe8 42. h4 b4 0-1

[Event "World U20-ch11 Final C"]
[Site "Athens"]
[Date "1971.08.09"]
[Round "8"]
[White "Weber, Leo"]
[Black "Roofthoofd, Marcel"]
[Result "1-0"]
[ECO "A57"]
[PlyCount "69"]
[EventDate "1971.08.02"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "GRE"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 e6 2. c4 Nf6 3. Nf3 c5 4. d5 b5 5. e3 Bb7 6. cxb5 Bxd5 7. Nc3 Bb7 8. Be2 d5 9. 0-0 Bd6 10. Qa4 0-0 11. Rd1 e5 12. b3 e4 13. Ne1 Nbd7 14. Qa3 Qe7 15. Qb2 Ne5 16. Qd2 Nfg4 17. Nxe4 Bc7 18. Ng3 Qh4 19. Bxg4 Qxg4 20. Qe2 Qe6 21. Bb2 f5 22. Nd3 Nxd3 23. Qxd3 f4 24. exf4 d4 25. Re1 Qd5 26. Qe4 Bxf4 27. Qxd5+ Bxd5 28. Nh5 Bd6 29. b4 Rae8 30. a4 Rxe1+ 31. Rxe1 g6 32. bxc5 Bxc5 33. Re5 Rf5 34. Rxf5 gxf5 35. Nf6+ 1-0

[Event "World U20-ch11 Final C"]
[Site "Athens"]
[Date "1971.08.08"]
[Round "7"]
[White "Rosenberg, Michael"]
[Black "Weber, Leo"]
[Result "1-0"]
[ECO "B93"]
[PlyCount "67"]
[EventDate "1971.08.02"]
[EventType "tourn"]
[EventRounds "11"]
[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. f4 e5 7. Nf3 Qc7 8. Bd3 Be7 9. 0-0 0-0 10. fxe5 dxe5 11. Qe1 Be6 12. Nh4 Nc6 13. Nf5 Nb4 14. Nxe7+ Qxe7 15. Bg5 Nxd3 16. cxd3 Qc5+ 17. Be3 Qd6 18. Rd1 Ng4 19. Bc1 Rac8 20. h3 Nf6 21. d4 Qb6 22. Rxf6 gxf6 23. Bh6 Kh8 24. Qh4 Bc4 25. b3 Rg8 26. bxc4 Rg6 27. Nd5 Qb2 28. Rd2 Qc1+ 29. Kh2 Rcg8 30. Ne7 Rxg2+ 31. Rxg2 Rxg2+ 32. Kxg2 Qc2+ 33. Qf2 Qxe4+ 34. Kh2 1-0

[Event "World U20-ch11 Final C"]
[Site "Athens"]
[Date "1971.08.07"]
[Round "6"]
[White "Weber, Leo"]
[Black "Buscio, Jorge"]
[Result "1-0"]
[ECO "E19"]
[PlyCount "53"]
[EventDate "1971.08.02"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "GRE"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. 0-0 0-0 7. Nc3 Ne4 8. Qc2 f5 9. b3 d6 10. Nd2 Nxc3 11. Qxc3 Bxg2 12. Kxg2 c5 13. Bb2 Bf6 14. Nf3 Nc6 15. Qd2 d5 16. dxc5 Bxb2 17. Qxb2 dxc4 18. Rad1 Qc7 19. cxb6 Qxb6 20. Rd7 Rf7 21. Rxf7 Kxf7 22. Ng5+ Kg8 23. Nxe6 Qb7 24. Kg1 cxb3 25. Rc1 Re8 26. Rxc6 bxa2 27. Qxa2 1-0

[Event "World U20-ch11 Final C"]
[Site "Athens"]
[Date "1971.08.06"]
[Round "5"]
[White "Weber, Leo"]
[Black "Cruz, Jorge"]
[Result "1-0"]
[ECO "A71"]
[PlyCount "47"]
[EventDate "1971.08.02"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "GRE"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. e4 a6 8. a4 Bg7 9. Be2 Nbd7 10. Bg5 0-0 11. Nd2 Qc7 12. 0-0 Ne5 13. f4 Neg4 14. Nc4 Nh6 15. Nxd6 Nfg4 16. Nc4 Bd7 17. h3 Bd4+ 18. Kh1 f6 19. Bxh6 Nxh6 20. a5 g5 21. d6 Qc6 22. Nd5 Nf5 23. Qd3 Be6 24. Ne7+ 1-0

[Event "World U20-ch11 Final C"]
[Site "Athens"]
[Date "1971.08.05"]
[Round "4"]
[White "Shirazi, Kamran"]
[Black "Weber, Leo"]
[Result "0-1"]
[ECO "B53"]
[PlyCount "88"]
[EventDate "1971.08.02"]
[EventType "tourn"]
[EventRounds "11"]
[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. Qxd4 Nc6 5. Bb5 Qa5+ 6. Nc3 a6 7. b4 Qc7 8. Nd5 Qd8 9. Bxc6+ bxc6 10. Ne3 e5 11. Qd3 Nf6 12. 0-0 Be7 13. c4 0-0 14. h3 Qc7 15. Bb2 Rd8 16. a3 Nh5 17. Rfc1 Nf4 18. Qf1 f6 19. Rab1 Qb7 20. a4 d5 21. exd5 cxd5 22. c5 d4 23. c6 Qc7 24. Nxd4 exd4 25. Bxd4 Rxd4 26. b5 axb5 27. axb5 Rb8 28. Rc4 Rxc4 29. Qxc4+ Be6 30. Qe4 Bf7 31. b6 Rxb6 32. Rxb6 Qxb6 33. Nf5 Bf8 34. Qxf4 Qxc6 35. Qb8 Qe8 36. Qg3 Bg6 37. Nh4 Kh8 38. Qg4 Bh5 39. Qc4 Qe1+ 40. Qf1 Qxf1+ 41. Kxf1 g5 42. Nf5 Bg6 43. Nd4 Bb4 44. f4 Bd3+ 0-1

[Event "World U20-ch11 Final C"]
[Site "Athens"]
[Date "1971.08.04"]
[Round "3"]
[White "Weber, Leo"]
[Black "Cappello, Renato"]
[Result "1/2-1/2"]
[ECO "E17"]
[PlyCount "91"]
[EventDate "1971.08.02"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "GRE"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. 0-0 0-0 7. Bg5 h6 8. Be3 d5 9. Nbd2 c5 10. Rc1 Nbd7 11. cxd5 Nxd5 12. Qb3 Nxe3 13. Qxe3 Rc8 14. Nc4 Bxf3 15. exf3 b5 16. Ne5 Bf6 17. Qc3 b4 18. Qe1 cxd4 19. Rxc8 Qxc8 20. Nxd7 Qxd7 21. Qxb4 Rc8 22. Rd1 Rc2 23. Qb3 Qc7 24. f4 g6 25. Be4 d3 26. Qxd3 Rxb2 27. Rd2 Qc1+ 28. Rd1 Qc5 29. Rd2 Qc1+ 30. Rd1 Qc5 31. Rd2 Kg7 32. Rxb2 Bxb2 33. Qc2 Qd4 34. a4 Ba3 35. Kg2 Bc5 36. h4 a5 37. Bc6 f5 38. Qe2 Kf6 39. Qe5+ Qxe5 40. fxe5+ Kxe5 41. f4+ Kf6 42. Bd7 e5 43. fxe5+ Kxe5 44. Kf3 Bb4 45. g4 fxg4+ 46. Kxg4 1/2-1/2

[Event "World U20-ch11 Final C"]
[Site "Athens"]
[Date "1971.08.02"]
[Round "2"]
[White "Vassiades, Constantinos"]
[Black "Weber, Leo"]
[Result "0-1"]
[ECO "D11"]
[PlyCount "46"]
[EventDate "1971.08.02"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "GRE"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 c6 4. 0-0 Bf5 5. d4 h6 6. Nbd2 Nbd7 7. c4 e6 8. b3 Bd6 9. Bb2 0-0 10. Ne5 Qc7 11. f4 Ng4 12. Nxg4 Bxg4 13. Qe1 f5 14. e3 Nf6 15. Rf2 Qe7 16. h3 Bh5 17. c5 Bc7 18. Rc1 g5 19. Nf1 Ne4 20. Bxe4 fxe4 21. Kh2 Kh7 22. Rcc2 gxf4 23. gxf4 Qh4 0-1

[Event "World U20-ch11 Final C"]
[Site "Athens"]
[Date "1971.08.02"]
[Round "1"]
[White "Weber, Leo"]
[Black "Kaiszauri, Konstanty"]
[Result "0-1"]
[ECO "A67"]
[PlyCount "92"]
[EventDate "1971.08.02"]
[EventType "tourn"]
[EventRounds "11"]
[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. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8. Bb5+ Nfd7 9. Bd3 0-0 10. Nf3 Na6 11. 0-0 Nc7 12. a4 b6 13. Nb5 Nf6 14. h3 a6 15. Nc3 Rb8 16. Nd2 b5 17. axb5 axb5 18. Qf3 c4 19. Bc2 Nd7 20. Ne2 Na6 21. Ng3 Nb4 22. Bb1 Nc5 23. f5 Bd4+ 24. Kh1 Qh4 25. Ne2 Be5 26. fxg6 hxg6 27. Ra7 Bd7 28. b3 g5 29. Rxd7 Nxd7 30. Qf5 Rb7 31. Nf3 Qh7 32. Qxg5+ Qg6 33. Qd2 Nd3 34. Bxd3 cxd3 35. Nf4 Qxe4 36. Ng5 Qf5 37. h4 Qg4 38. Qxd3 Qxh4+ 39. Nfh3 Nc5 40. Qf5 f6 41. b4 Qxb4 42. Be3 Qh4 43. Bxc5 dxc5 44. Ne6 Qg3 45. Kg1 Bd4+ 46. Nf2 Rh7 0-1

[Event "World U20-ch11 Preliminaries E"]
[Site "Athens"]
[Date "1971.08.01"]
[Round "7"]
[White "Cappello, Renato"]
[Black "Weber, Leo"]
[Result "1-0"]
[ECO "B99"]
[PlyCount "55"]
[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 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 Qc7 9. 0-0-0 0-0 10. Bd3 Nbd7 11. Rhe1 Nc5 12. e5 Nxd3+ 13. Rxd3 dxe5 14. fxe5 Nd5 15. Bxe7 Nxe7 16. Qg3 Rd8 17. Ne4 Ng6 18. Nd6 Qa5 19. Kb1 f6 20. Nxc8 Raxc8 21. exf6 gxf6 22. Rxe6 Qc5 23. c3 Kf7 24. Qf3 Qg5 25. Qxb7+ Kg8 26. Rh3 Qg4 27. Qxh7+ Kf8 28. Rxf6+ 1-0

[Event "World U20-ch11 Preliminaries E"]
[Site "Athens"]
[Date "1971.07.30"]
[Round "6"]
[White "Weber, Leo"]
[Black "Piasetski, Leon David"]
[Result "1/2-1/2"]
[ECO "A56"]
[PlyCount "233"]
[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 c5 3. d5 e5 4. Nc3 d6 5. e4 Be7 6. h3 Nbd7 7. Nf3 Nf8 8. Bd3 Ng6 9. a3 Bd7 10. b4 b6 11. bxc5 bxc5 12. Rb1 Qc8 13. Qc2 h5 14. Bg5 h4 15. Qb3 Nh5 16. Qb7 Nhf4 17. Qxc8+ Rxc8 18. Bf1 Bxg5 19. Nxg5 f6 20. Nf3 Ke7 21. g3 hxg3 22. fxg3 Nh5 23. Kf2 Rb8 24. Bg2 a6 25. Rxb8 Rxb8 26. Rb1 Rxb1 27. Nxb1 Kd8 28. Nfd2 Ne7 29. Bf3 g6 30. Bg4 Be8 31. Nc3 Kc7 32. a4 Kb6 33. Nb3 f5 34. a5+ Kc7 35. Bf3 Nf6 36. g4 fxg4 37. hxg4 Bd7 38. Kg3 g5 39. Nc1 Ng6 40. Bd1 Nf4 41. Bf3 Ng8 42. Bd1 Nh6 43. Bf3 Nf7 44. Bd1 Nd8 45. Bc2 Nb7 46. Nb3 Ng6 47. Bd1 Ne7 48. Bc2 Ng8 49. Bd1 Nf6 50. Bf3 Nd8 51. Nc1 Nf7 52. Nd3 Nh6 53. Nf2 Kd8 54. Bd1 Nh7 55. Nd3 Nf8 56. Bf3 Ng6 57. Bd1 Nf4 58. Nc1 Ng8 59. Bf3 Nf6 60. Bd1 Kc7 61. Bf3 Kb7 62. Bd1 Ka7 63. Bf3 Ne8 64. Bd1 Nc7 65. Ba4 Bxa4 66. Nxa4 Kb7 67. Nc3 Ne8 68. Nd1 Nf6 69. Nf2 Kc7 70. Kf3 Ng8 71. Kg3 Nh6 72. Kf3 Nf7 73. Nfd3 Kd7 74. Ne1 Nd8 75. Nb3 Nb7 76. Kf2 Ke7 77. Kf3 Ng6 78. Ng2 Nf8 79. Ne3 Nh7 80. Nd1 Nf6 81. Nf2 Nd8 82. Nc1 Kd7 83. Nb3 Kc7 84. Nh3 Nf7 85. Nf2 Kb7 86. Nd1 Ne8 87. Nc1 Nc7 88. Nc3 Nh6 89. Nb3 Ka7 90. Nc1 Kb8 91. Nb3 Ng8 92. Ke3 Kc8 93. Kf3 Kd8 94. Kg3 Kd7 95. Kf3 Ne8 96. Nd1 Nc7 97. Nc3 Ne7 98. Nd2 Nc8 99. Ndb1 Na7 100. Na3 Kd8 101. Kg3 Ne8 102. Nd1 Nf6 103. Nf2 Nc8 104. Nb1 Kd7 105. Kf3 Kc7 106. Nh3 Nh7 107. Nf2 Kb7 108. Nd1 Ne7 109. Nd2 Ng6 110. Nb3 Nf4 111. Nc1 Nf8 112. Nf2 N8g6 113. Kg3 Nh4 114. Nh3 Nxh3 115. Kxh3 Nf3 116. Nb3 Nd4 117. Nd2 1/2-1/2

[Event "World U20-ch11 Preliminaries E"]
[Site "Athens"]
[Date "1971.07.29"]
[Round "5"]
[White "Karakasoglou, Alexandros"]
[Black "Weber, Leo"]
[Result "0-1"]
[ECO "B97"]
[PlyCount "68"]
[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 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Qb6 8. Qd2 Qxb2 9. Rb1 Qa3 10. Bxf6 gxf6 11. f5 Bh6 12. Qd3 Qc5 13. Be2 Rg8 14. 0-0 Nc6 15. Kh1 Ne5 16. Qd1 Qxc3 17. fxe6 fxe6 18. Rxf6 Bg5 19. Nxe6 Nf7 20. Rxf7 Kxf7 21. Nxg5+ Rxg5 22. Qxd6 Ke8 23. Rf1 Qg7 24. Bc4 Rg6 25. Qa3 Rf6 26. Rd1 Rf2 27. g3 Qg4 28. Rd8+ Kxd8 29. Qa5+ Ke8 30. Qe5+ Be6 31. Qh8+ Rf8 32. Qe5 Qf3+ 33. Kg1 Qf2+ 34. Kh1 Qe1+ 0-1

[Event "World U20-ch11 Preliminaries E"]
[Site "Athens"]
[Date "1971.07.28"]
[Round "4"]
[White "Weber, Leo"]
[Black "Barle, Janez"]
[Result "0-1"]
[ECO "D80"]
[PlyCount "94"]
[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. Nc3 d5 4. Bg5 Ne4 5. Bh4 c5 6. cxd5 Nxc3 7. bxc3 Qxd5 8. e3 Bg7 9. Qf3 Qd8 10. Bb5+ Nd7 11. Ne2 cxd4 12. exd4 0-0 13. 0-0 Nf6 14. Rfe1 a6 15. Bc4 Rb8 16. Nf4 b5 17. Bb3 Bb7 18. Qe3 e6 19. Nd3 Qc8 20. Nc5 Nd5 21. Qd2 Ba8 22. c4 bxc4 23. Bxc4 Rb4 24. Rac1 Qc6 25. f3 Qb6 26. Bf2 Rc8 27. Bb3 Rd8 28. Red1 h5 29. Na4 Qd6 30. Nc5 Rb6 31. Ne4 Qe7 32. Qa5 Rdb8 33. Qc5 Qd8 34. Bg3 Rc6 35. Qa3 Rxc1 36. Qxc1 Rc8 37. Qd2 Qb6 38. Bf2 Rc7 39. Nc5 Kh7 40. Qd3 Nb4 41. Qe2 a5 42. Na4 Qc6 43. Nc5 Nd5 44. Bg3 Bxd4+ 45. Rxd4 Qxc5 46. Bf2 Qc3 47. Rd3 Nf4 0-1

[Event "World U20-ch11 Preliminaries E"]
[Site "Athens"]
[Date "1971.07.27"]
[Round "3"]
[White "Haik, Aldo"]
[Black "Weber, Leo"]
[Result "1-0"]
[ECO "D12"]
[PlyCount "109"]
[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. Nf3 d5 2. c4 c6 3. d4 Nf6 4. e3 Bf5 5. Nbd2 h6 6. Be2 e6 7. 0-0 Be7 8. b3 0-0 9. Bb2 Nbd7 10. Ne5 Nxe5 11. dxe5 Ne4 12. Nf3 Bb4 13. Qc1 Qa5 14. a3 Bd2 15. Qd1 Bc3 16. b4 Qc7 17. Qb3 Bxb2 18. Qxb2 Bg4 19. cxd5 cxd5 20. Rac1 Qd7 21. Nd4 Bxe2 22. Nxe2 f6 23. f3 Ng5 24. h4 Nh7 25. Nf4 f5 26. h5 Rfc8 27. Ng6 Nf8 28. Nf4 Rxc1 29. Rxc1 Rc8 30. Rxc8 Qxc8 31. Qd4 b6 32. a4 Qc7 33. Kh2 Qc6 34. a5 Kf7 35. axb6 axb6 36. Qa1 Qc7 37. Kh3 g5 38. hxg6+ Nxg6 39. Nxg6 Kxg6 40. Qa8 Kg7 41. f4 Qe7 42. Qc8 Qf7 43. Kg3 Qe7 44. b5 Kh7 45. Qc6 Qg7+ 46. Kf2 Qe7 47. Qxb6 Qb4 48. Kf3 Qe1 49. Qc7+ Kg6 50. Qd8 Qf1+ 51. Kg3 Qe1+ 52. Kh2 Qxe3 53. Qg8+ Kh5 54. Qf7+ Kh4 55. Qg6 1-0

[Event "World U20-ch11 Preliminaries E"]
[Site "Athens"]
[Date "1971.07.26"]
[Round "2"]
[White "Weber, Leo"]
[Black "Wach, Slawomir"]
[Result "0-1"]
[ECO "A56"]
[PlyCount "70"]
[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 c5 3. d5 e5 4. Nc3 d6 5. e4 Be7 6. Be2 0-0 7. Nf3 Ne8 8. 0-0 g6 9. a3 f5 10. b4 b6 11. bxc5 bxc5 12. Rb1 Rf7 13. Ne1 Bg5 14. Nf3 Bxc1 15. Qxc1 f4 16. h3 g5 17. Nh2 Nf6 18. Qd1 Nbd7 19. Ng4 Kg7 20. Nxf6 Nxf6 21. Kh2 Rf8 22. Rh1 h5 23. g3 Qe8 24. Kg2 Qg6 25. Qd3 Bd7 26. Rb7 Rf7 27. h4 Bh3+ 28. Rxh3 Rxb7 29. hxg5 Qxg5 30. Nb5 Rd8 31. Qd1 a6 32. Nc3 Ng4 33. Qa4 Rb2 34. Qd1 f3+ 35. Bxf3 Ne3+ 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

