[Event "Lima Castaneda Memorial op"]
[Site "Lima"]
[Date "2007.03.25"]
[Round "7"]
[White "Tosso, Humberto"]
[Black "Navio, Franz"]
[Result "1-0"]
[ECO "D02"]
[PlyCount "75"]
[EventDate "2007.03.19"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "PER"]
[SourceTitle "CBM 117 Extra"]
[Source "ChessBase"]
[SourceDate "2007.05.09"]
[SourceVersion "1"]
[SourceVersionDate "2007.05.09"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 e6 3. Bf4 Nf6 4. Nbd2 Be7 5. c3 Nbd7 6. e3 b6 7. Bb5 0-0 8. Bc6 Rb8 9. 0-0 Bb7 10. Qa4 Qc8 11. c4 Bxc6 12. Qxc6 Qb7 13. cxd5 exd5 14. Qxc7 Qxc7 15. Bxc7 Rbc8 16. Rfc1 Ne4 17. Nxe4 dxe4 18. Nd2 f5 19. Rc2 Nf6 20. Rac1 Nd5 21. a3 Nxc7 22. Rxc7 Rxc7 23. Rxc7 Kf7 24. Nc4 Kf6 25. g3 g6 26. Ne5 Ke6 27. Nc6 Re8 28. Nxa7 b5 29. b4 Ra8 30. d5+ Kf6 31. Nxb5 h5 32. Rc6+ Kf7 33. d6 Rb8 34. a4 Bd8 35. d7 Rb7 36. Nd6+ Ke7 37. Nxb7 Kxd7 38. Rd6+ 1-0

[Event "Lima Castaneda Memorial op"]
[Site "Lima"]
[Date "2007.03.24"]
[Round "6"]
[White "Moreno, Lucas"]
[Black "Tosso, Humberto"]
[Result "0-1"]
[ECO "C02"]
[PlyCount "46"]
[EventDate "2007.03.19"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "PER"]
[SourceTitle "CBM 117 Extra"]
[Source "ChessBase"]
[SourceDate "2007.05.09"]
[SourceVersion "1"]
[SourceVersionDate "2007.05.09"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 cxd4 5. cxd4 Nc6 6. Nf3 Qb6 7. Ng5 Qxd4 8. Bd3 Qxe5+ 9. Be3 d4 10. Bb5 Qxb5 11. Qh5 g6 12. Qf3 Ne5 13. Qf4 Nd3+ 14. Ke2 Nxf4+ 15. Kf3 Qe2+ 16. Kg3 Nh5+ 17. Kh4 dxe3 18. fxe3 Qf2+ 19. g3 Nh6 20. Nc3 Nf5+ 21. Kg4 Nxe3+ 22. Kh4 Ng2+ 23. Kg4 Qf5# 0-1

[Event "Lima Castaneda Memorial op"]
[Site "Lima"]
[Date "2007.03.23"]
[Round "5"]
[White "Saenz Ayllon, Ivan"]
[Black "Tosso, Humberto"]
[Result "1-0"]
[ECO "A80"]
[PlyCount "47"]
[EventDate "2007.03.19"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "PER"]
[SourceTitle "CBM 117 Extra"]
[Source "ChessBase"]
[SourceDate "2007.05.09"]
[SourceVersion "1"]
[SourceVersionDate "2007.05.09"]
[SourceQuality "1"]

1. d4 f5 2. Nf3 Nf6 3. e3 g6 4. Bd3 Bg7 5. Nbd2 0-0 6. 0-0 c6 7. b3 d5 8. Ne5 Ne4 9. f4 Nd7 10. Bb2 Ndf6 11. c4 e6 12. Nxe4 Nxe4 13. Bxe4 fxe4 14. Ba3 Rf6 15. Qe2 Bf8 16. Bxf8 Rxf8 17. Kh1 Qh4 18. Rg1 g5 19. fxg5 Qxg5 20. Raf1 Rf5 21. g4 Rxf1 22. Rxf1 b6 23. Qf2 Qg7 24. Qh4 1-0

[Event "Lima Castaneda Memorial op"]
[Site "Lima"]
[Date "2007.03.22"]
[Round "4"]
[White "Tosso, Humberto"]
[Black "Loayza, Jorge"]
[Result "0-1"]
[ECO "A48"]
[PlyCount "22"]
[EventDate "2007.03.19"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "PER"]
[SourceTitle "CBM 117 Extra"]
[Source "ChessBase"]
[SourceDate "2007.05.09"]
[SourceVersion "1"]
[SourceVersionDate "2007.05.09"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bg5 Bg7 4. c3 Ne4 5. Bh4 c5 6. e3 d5 7. Bb5+ Nc6 8. Nbd2 Qb6 9. Bxc6+ bxc6 10. Rb1 Ba6 11. b4 Nxc3 0-1

[Event "Lima Castaneda Memorial op"]
[Site "Lima"]
[Date "2007.03.21"]
[Round "3"]
[White "Tosso, Humberto"]
[Black "Cordova, Emilio"]
[Result "0-1"]
[ECO "A46"]
[BlackElo "2477"]
[PlyCount "70"]
[EventDate "2007.03.19"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "PER"]
[SourceTitle "CBM 117 Extra"]
[Source "ChessBase"]
[SourceDate "2007.05.09"]
[SourceVersion "1"]
[SourceVersionDate "2007.05.09"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bg5 Be7 4. c3 b6 5. Nbd2 Bb7 6. Qc2 c5 7. e3 Nc6 8. Bd3 h6 9. Bh4 Rc8 10. a3 cxd4 11. exd4 g5 12. Bg3 g4 13. Ne5 Nxd4 14. Qa4 Nc6 15. Nxg4 Nxg4 16. Qxg4 h5 17. Qe2 h4 18. Bf4 h3 19. Be4 d5 20. Bf3 Bg5 21. g3 Bxf4 22. gxf4 Qf6 23. Rg1 Qxf4 24. Rg3 Kf8 25. 0-0-0 Nd4 26. Qe3 Qxe3 27. fxe3 Nf5 28. Nf1 Nxg3 29. Nxg3 Ke7 30. Ne2 e5 31. Bxd5 Bxd5 32. Rxd5 Ke6 33. e4 Rcd8 34. c4 Rdg8 35. Ng3 Rxg3 0-1

[Event "Lima Castaneda Memorial op"]
[Site "Lima"]
[Date "2007.03.20"]
[Round "2"]
[White "Zapata, Karen"]
[Black "Tosso, Humberto"]
[Result "1-0"]
[ECO "C67"]
[WhiteElo "2197"]
[PlyCount "29"]
[EventDate "2007.03.19"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "PER"]
[SourceTitle "CBM 117 Extra"]
[Source "ChessBase"]
[SourceDate "2007.05.09"]
[SourceVersion "1"]
[SourceVersionDate "2007.05.09"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. 0-0 Nxe4 5. Qe2 Nd6 6. Bxc6 bxc6 7. Qxe5+ Qe7 8. Qa5 Qd8 9. Qe5+ Qe7 10. Qg3 Qf6 11. d3 h6 12. Bd2 Nb5 13. a4 Bd6 14. Re1+ Kf8 15. Qg4 1-0

