[Event "Villa Mercedes-ch cat-B"]
[Site "Villa Mercedes"]
[Date "2004.09.14"]
[Round "4"]
[White "Nievas, Jorge"]
[Black "Echeverria, Juan Carlos"]
[Result "0-1"]
[ECO "C79"]
[PlyCount "66"]
[EventDate "2004.09.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 102 Extra"]
[Source "ChessBase"]
[SourceDate "2004.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.03"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 d6 6. d4 Bd7 7. Qd3 Nxd4 8. Bxd7+ Qxd7 9. Nxd4 exd4 10. Qxd4 Be7 11. Nc3 c5 12. Qd3 0-0 13. h3 Rad8 14. Rd1 Qc6 15. Bg5 Rfe8 16. Rd2 h6 17. Bh4 b5 18. Rad1 b4 19. Nd5 Nxd5 20. exd5 Qc8 21. Bg3 c4 22. Qe3 Bg5 23. Qd4 Bxd2 24. Qxd2 c3 25. bxc3 Qxc3 26. Qc1 Re2 27. Qf4 Qxc2 28. Rc1 Qd2 29. Qc4 a5 30. Kh2 Qxa2 31. Qc7 Ree8 32. Rc4 Rc8 33. Qd7 Qxc4 0-1

[Event "Villa Mercedes-ch cat-B"]
[Site "Villa Mercedes"]
[Date "2004.09.09"]
[Round "3"]
[White "Nievas, Jorge"]
[Black "Rosales, David"]
[Result "0-1"]
[ECO "A41"]
[PlyCount "56"]
[EventDate "2004.09.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 102 Extra"]
[Source "ChessBase"]
[SourceDate "2004.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.03"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 d6 4. d5 Nce7 5. c4 c6 6. Nc3 Nf6 7. Bg5 Ng6 8. g3 Be7 9. h4 h6 10. Bxf6 Bxf6 11. Be2 c5 12. Bf1 Bd7 13. h5 Nf8 14. Bh3 Nh7 15. g4 Qc8 16. Nd2 Bg5 17. f3 a6 18. Bg2 Qd8 19. Qb3 0-0 20. Qxb7 Rb8 21. Qxa6 Bxd2+ 22. Kxd2 Rxb2+ 23. Kd3 Qg5 24. Rad1 Rxg2 25. Qxd6 Qf4 26. Ne2 Qxf3+ 27. Kc2 Qxe2+ 28. Kb3 Qb2# 0-1

[Event "Villa Mercedes-ch cat-B"]
[Site "Villa Mercedes"]
[Date "2004.09.02"]
[Round "1"]
[White "Vacchini, Alberto"]
[Black "Nievas, Jorge"]
[Result "1-0"]
[ECO "C41"]
[PlyCount "55"]
[EventDate "2004.09.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 102 Extra"]
[Source "ChessBase"]
[SourceDate "2004.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.03"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Bc4 a6 9. Bb3 Nc6 10. Qd2 Nxd4 11. Bxd4 c6 12. Be3 Qc7 13. Bh6 b5 14. Bxg7 Kxg7 15. h4 Qa5 16. h5 b4 17. Ne2 Nxh5 18. g4 Nf6 19. Qh6+ Kg8 20. 0-0-0 Qb6 21. Qf4 Ne8 22. Rh6 Qd8 23. Rdh1 Qf6 24. Qh2 Ng7 25. Rxh7 Nh5 26. gxh5 Kxh7 27. hxg6+ Kxg6 28. Qh6# 1-0

[Event "Villa Mercedes-ch cat-B"]
[Site "Villa Mercedes"]
[Date "2004.??.??"]
[Round "5"]
[White "Mora, Gustavo"]
[Black "Nievas, Jorge"]
[Result "0-1"]
[ECO "A43"]
[PlyCount "38"]
[EventDate "2004.09.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 102 Extra"]
[Source "ChessBase"]
[SourceDate "2004.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.03"]
[SourceQuality "1"]

1. d4 c5 2. d5 d6 3. e4 Nf6 4. h3 Nxe4 5. Nc3 Nf6 6. Nf3 g6 7. Bb5+ Bd7 8. Bxd7+ Nbxd7 9. 0-0 Bg7 10. Rb1 Nb6 11. Qd3 0-0 12. Ne4 Nbxd5 13. Nxf6+ Nxf6 14. c4 Qc7 15. Bf4 Rfe8 16. Rfe1 a6 17. h4 Rad8 18. h5 Nxh5 19. g4 Nxf4 0-1

[Event "Villa Mercedes-ch cat-B"]
[Site "Villa Mercedes"]
[Date "2004.??.??"]
[Round "2"]
[White "Nievas, Jorge"]
[Black "Celdran, Pascual"]
[Result "0-1"]
[ECO "C62"]
[PlyCount "40"]
[EventDate "2004.09.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 102 Extra"]
[Source "ChessBase"]
[SourceDate "2004.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.03"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. 0-0 f5 5. d4 fxe4 6. Ng5 Be7 7. Nxe4 Bd7 8. c3 d5 9. Bxc6 Bxc6 10. Qh5+ g6 11. Qxe5 dxe4 12. Qxh8 Qd5 13. Nd2 0-0-0 14. Qe5 Qf7 15. Qa5 Kb8 16. b3 Rd5 17. Qxd5 Qxd5 18. Nc4 Nf6 19. Bf4 g5 20. Be5 Ng4 0-1

[Event "Villa Mercedes-ch cat-B"]
[Site "Villa Mercedes"]
[Date "2004.??.??"]
[Round "7"]
[White "Nievas, Jorge"]
[Black "Herrero, Alfredo"]
[Result "0-1"]
[ECO "C84"]
[PlyCount "68"]
[EventDate "2004.09.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 102 Extra"]
[Source "ChessBase"]
[SourceDate "2004.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.03"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 b5 5. Bb3 Be7 6. 0-0 Nf6 7. d4 d6 8. Re1 Bg4 9. Qd3 0-0 10. h3 Bh5 11. c3 Nd7 12. Bd5 Ndb8 13. a4 b4 14. dxe5 Bxf3 15. Qxf3 Nxe5 16. Qg3 c6 17. Bb3 bxc3 18. Nxc3 Nbd7 19. a5 Nc5 20. Bc2 Rb8 21. Ne2 Ng6 22. Rd1 Qc7 23. Be3 Nb3 24. Bb6 Bh4 25. Qxb3 Qe7 26. f4 c5 27. g3 Bf6 28. e5 dxe5 29. Qd5 exf4 30. Nxf4 Nxf4 31. gxf4 Qe3+ 32. Kh2 Bd4 33. Rf1 Rfe8 34. Rae1 Qd2+ 0-1

