[Event "Montevideo CC Modelo Viernes op 2nd"]
[Site "Montevideo"]
[Date "2002.10.04"]
[Round "5"]
[White "Celi, Andrea"]
[Black "Leder, Umberto"]
[Result "1-0"]
[ECO "B77"]
[WhiteElo "1853"]
[BlackElo "1649"]
[PlyCount "65"]
[EventDate "2002.09.06"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "URU"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Bc4 e6 9. Qd2 d6 10. 0-0-0 d5 11. Bb3 Na5 12. Bg5 Nxb3+ 13. Nxb3 Qd7 14. exd5 exd5 15. Nxd5 Qxd5 16. Qxd5 Nxd5 17. Rxd5 Be6 18. Rd3 h6 19. Bh4 Rac8 20. Nd4 Bxd4 21. Rxd4 g5 22. Bg3 Rc6 23. b3 Bf5 24. c4 b5 25. Rd5 Be6 26. Rxb5 Rfc8 27. Re5 Bxc4 28. Kd2 Rd8+ 29. Ke3 Rd3+ 30. Ke4 f5+ 31. Rxf5 Re6+ 32. Re5 Bd5+ 33. Kxd3 1-0

[Event "URU-ch prel Azul"]
[Site "Montevideo"]
[Date "2001.02.14"]
[Round "7"]
[White "Leder, Umberto"]
[Black "De Uvarow, Simon"]
[Result "0-1"]
[ECO "E67"]
[PlyCount "82"]
[EventDate "2001.02.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "URU"]
[SourceTitle "CBM 080 Extra"]
[Source "ChessBase"]
[SourceDate "2001.03.08"]
[SourceVersion "1"]
[SourceVersionDate "2001.03.08"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 d6 5. 0-0 0-0 6. d4 Nbd7 7. Nc3 Nb6 8. b3 a5 9. a4 c6 10. Qc2 d5 11. c5 Nbd7 12. e3 Nb8 13. Bd2 Bd7 14. Ne1 Qc8 15. f3 Bh3 16. Rb1 Bxg2 17. Nxg2 Na6 18. Ne2 Nd7 19. Bxa5 e5 20. Bc3 Re8 21. b4 e4 22. b5 cxb5 23. axb5 Nc7 24. b6 exf3 25. Rxf3 Na6 26. Nef4 Qc6 27. Nd3 Bh6 28. Nb4 Nxb4 29. Bxb4 Ra4 30. Bd2 Rea8 31. Rff1 Nf6 32. Bc3 Ne4 33. Ra1 Kf8 34. Rxa4 Rxa4 35. Ra1 Rc4 36. Ra3 Qb5 37. Nf4 Bxf4 38. gxf4 Ke7 39. Qb2 Nxc3 40. Rb3 Qa5 41. Ra3 Na4 0-1

[Event "URU-ch prel Azul"]
[Site "Montevideo"]
[Date "2001.02.12"]
[Round "6"]
[White "Lovinger, Alejandro"]
[Black "Leder, Umberto"]
[Result "0-1"]
[ECO "E20"]
[PlyCount "68"]
[EventDate "2001.02.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "URU"]
[SourceTitle "CBM 080 Extra"]
[Source "ChessBase"]
[SourceDate "2001.03.08"]
[SourceVersion "1"]
[SourceVersionDate "2001.03.08"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bd2 0-0 5. Qc2 c5 6. e3 Nc6 7. 0-0-0 cxd4 8. exd4 Nxd4 9. Qd3 e5 10. Ne4 Bxd2+ 11. Rxd2 d6 12. Nf3 Nxf3 13. Qxf3 Nxe4 14. Qxe4 Qf6 15. f3 Rb8 16. g4 b6 17. Rg1 Bb7 18. Qc2 Bxf3 19. Rf2 Qg5+ 20. Rd2 b5 21. Rg3 e4 22. Kb1 Rfc8 23. h3 Qf4 24. Rg1 e3 25. Rd3 Rxc4 26. Rc3 Be4 27. Bd3 Bxd3 28. Qxd3 Rxc3 29. Qxc3 Re8 30. Re1 e2 31. Rxe2 Qf1+ 32. Qe1 Qxe1+ 33. Rxe1 Rxe1+ 34. Kc2 Rh1 0-1

[Event "URU-ch prel Azul"]
[Site "Montevideo"]
[Date "2001.02.09"]
[Round "5"]
[White "Leder, Umberto"]
[Black "Romero, Pablo Cesar"]
[Result "0-1"]
[ECO "A06"]
[PlyCount "80"]
[EventDate "2001.02.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "URU"]
[SourceTitle "CBM 080 Extra"]
[Source "ChessBase"]
[SourceDate "2001.03.08"]
[SourceVersion "1"]
[SourceVersionDate "2001.03.08"]
[SourceQuality "1"]

1. b3 d5 2. Nf3 Nc6 3. Bb2 Bg4 4. Ne5 Nxe5 5. Bxe5 f6 6. Bg3 e5 7. h3 Bh5 8. d3 Nh6 9. Nd2 Bb4 10. Qc1 d4 11. f3 Nf5 12. Bf2 Ne3 13. g4 Bf7 14. Bg3 Qd6 15. Kf2 Qc6 16. Nc4 b5 17. Nxe3 dxe3+ 18. Kg1 Bc3 19. Rb1 b4 20. Bg2 Bd5 21. Kh2 Bd2 22. Qf1 0-0 23. Qd1 Rae8 24. Be1 Bc3 25. Bxc3 bxc3 26. d4 Qd6 27. Kg1 e4 28. Qf1 f5 29. f4 fxg4 30. f5 g3 31. h4 Qf6 32. Bh3 Qxh4 33. Bg2 Qg5 34. Bh3 Be6 35. Qg2 Bxf5 36. Rf1 Bxh3 37. Rxf8+ Rxf8 38. Qxh3 Qf5 39. Qxg3 Qf1+ 40. Kh2 Rf2+ 0-1

[Event "URU-ch prel Azul"]
[Site "Montevideo"]
[Date "2001.02.07"]
[Round "4"]
[White "Viola, Juan Andres"]
[Black "Leder, Umberto"]
[Result "1/2-1/2"]
[ECO "E62"]
[PlyCount "70"]
[EventDate "2001.02.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "URU"]
[SourceTitle "CBM 080 Extra"]
[Source "ChessBase"]
[SourceDate "2001.03.08"]
[SourceVersion "1"]
[SourceVersionDate "2001.03.08"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 g6 3. Nc3 Bg7 4. d4 d6 5. g3 0-0 6. Bg2 Bg4 7. 0-0 c6 8. Re1 Re8 9. h3 Bxf3 10. Bxf3 Nbd7 11. b3 e5 12. e3 exd4 13. exd4 Rxe1+ 14. Qxe1 a6 15. Bb2 Qc7 16. Qd2 Re8 17. Re1 Qd8 18. Ba3 Bf8 19. Rxe8 Qxe8 20. Kg2 Nb6 21. Qf4 Qe6 22. Ne4 Nxe4 23. Qxe4 Qxe4 24. Bxe4 d5 25. Bxf8 Kxf8 26. Bd3 Ke7 27. c5 Nd7 28. Kf3 Kf6 29. h4 Nf8 30. b4 Ne6 31. Ke3 h6 32. a4 Nc7 33. g4 g5 34. h5 Ke7 35. Bf5 Ne6 1/2-1/2

[Event "URU-ch prel Azul"]
[Site "Montevideo"]
[Date "2001.02.05"]
[Round "3"]
[White "Leder, Umberto"]
[Black "Arcos Facio, Mateo"]
[Result "0-1"]
[ECO "E61"]
[PlyCount "80"]
[EventDate "2001.02.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "URU"]
[SourceTitle "CBM 080 Extra"]
[Source "ChessBase"]
[SourceDate "2001.03.08"]
[SourceVersion "1"]
[SourceVersionDate "2001.03.08"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. Nc3 d6 5. e3 0-0 6. Bd3 e5 7. 0-0 Nc6 8. d5 Ne7 9. e4 Ne8 10. Be3 f5 11. Bg5 f4 12. Bxe7 Qxe7 13. Rc1 g5 14. Nd2 g4 15. f3 g3 16. h3 Qh4 17. Qe2 Rf6 18. Rc2 Rh6 19. Nb3 Bxh3 20. gxh3 Qxh3 21. Qg2 Qd7 22. Qe2 Rh2 23. Qxh2 gxh2+ 24. Rxh2 Qe7 25. Rff2 Kh8 26. Rfg2 Nf6 27. Na4 Rg8 28. c5 dxc5 29. Naxc5 b6 30. Ne6 c5 31. Nxg7 Rxg7 32. Rxg7 Qxg7+ 33. Rg2 Qc7 34. Bc4 b5 35. Bxb5 c4 36. Rc2 Qb6+ 37. Kg2 cxb3 38. Rc8+ Kg7 39. Bc4 bxa2 40. Rc6 Qxb2+ 0-1

[Event "URU-ch prel Azul"]
[Site "Montevideo"]
[Date "2001.02.02"]
[Round "2"]
[White "Lucas, Edison"]
[Black "Leder, Umberto"]
[Result "1-0"]
[ECO "B51"]
[PlyCount "87"]
[EventDate "2001.02.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "URU"]
[SourceTitle "CBM 080 Extra"]
[Source "ChessBase"]
[SourceDate "2001.03.08"]
[SourceVersion "1"]
[SourceVersionDate "2001.03.08"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nc6 4. 0-0 g6 5. c3 Bd7 6. d4 cxd4 7. cxd4 a6 8. Ba4 Bg7 9. Nc3 e6 10. Re1 b5 11. Bb3 Qc7 12. Be3 Nf6 13. d5 Na5 14. Rc1 Qd8 15. a3 Nxb3 16. Qxb3 e5 17. Ng5 Qe7 18. f4 Ng4 19. Bb6 0-0 20. h3 h6 21. Nf3 Nf6 22. fxe5 dxe5 23. Rcd1 Qd6 24. Ba5 Rfe8 25. Qc2 Rac8 26. Qf2 Qc5 27. Re3 h5 28. Bb4 Qb6 29. Red3 Qxf2+ 30. Kxf2 Rc4 31. Re1 Nh7 32. b3 Rcc8 33. d6 Nf6 34. Ba5 Rc6 35. Bc7 Bh6 36. Re2 Re6 37. Na2 Ne8 38. Nb4 Rc1 39. Nxa6 Rc6 40. Nb8 Nxc7 41. Nxc6 Ne8 42. Ncxe5 Rxd6 43. Rxd6 Nxd6 44. Nxd7 1-0

