[Event "Ciudad de Ushuaia op"]
[Site "Ciudad de Ushuaia"]
[Date "1986.10.31"]
[Round "5"]
[White "Chico, Horacio"]
[Black "Catozzi, Osvaldo"]
[Result "1-0"]
[ECO "A45"]
[PlyCount "41"]
[EventDate "1986.10.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 e6 2. e3 Nf6 3. Bd3 c5 4. c3 g6 5. Nd2 b6 6. f4 d5 7. b3 Bb7 8. Ngf3 Ne4 9. Nxe4 dxe4 10. Bb5+ Bc6 11. Bxc6+ Nxc6 12. Ng5 Bg7 13. Bb2 Qd7 14. Qd2 0-0 15. Nxe4 Rae8 16. Rd1 f5 17. dxc5 Qxd2+ 18. Nxd2 bxc5 19. e4 fxe4 20. 0-0 e5 21. Nc4 1-0

[Event "Ciudad de Ushuaia op"]
[Site "Ciudad de Ushuaia"]
[Date "1986.10.30"]
[Round "4"]
[White "Catozzi, Osvaldo"]
[Black "Luna, Ricardo Roberto"]
[Result "0-1"]
[ECO "C42"]
[PlyCount "34"]
[EventDate "1986.10.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nc3 d6 4. Bc4 h6 5. d3 a6 6. 0-0 Nc6 7. a3 Bg4 8. Qe1 Bxf3 9. gxf3 Nd4 10. Qd1 Nh5 11. Nd5 c6 12. Nc3 Nf4 13. Bxf4 exf4 14. Re1 Qg5+ 15. Kf1 Qh5 16. Ne2 Qh3+ 17. Kg1 Nxf3+ 0-1

[Event "Ciudad de Ushuaia op"]
[Site "Ciudad de Ushuaia"]
[Date "1986.10.27"]
[Round "2"]
[White "Romano, Nicolas"]
[Black "Catozzi, Osvaldo"]
[Result "1-0"]
[ECO "C41"]
[PlyCount "57"]
[EventDate "1986.10.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 h6 4. d4 d6 5. dxe5 dxe5 6. Qxd8+ Nxd8 7. Nxe5 Be6 8. Bb5+ c6 9. Bd3 Nf6 10. Be3 Bd6 11. Nf3 0-0 12. e5 Be7 13. exf6 Bxf6 14. Bd4 Bd7 15. 0-0 Ne6 16. Bxf6 gxf6 17. Nc3 Nf4 18. Ne4 Kg7 19. Rad1 Be6 20. Ng3 Rad8 21. Rd2 Bd5 22. Nf5+ Kg8 23. Ne7+ Kg7 24. Nxd5 cxd5 25. Rfd1 Rd6 26. Nh4 Re6 27. Nf5+ Kg6 28. Nd4+ Kg5 29. Nxe6+ 1-0

[Event "Ciudad de Ushuaia op"]
[Site "Ciudad de Ushuaia"]
[Date "1986.10.26"]
[Round "1"]
[White "Catozzi, Osvaldo"]
[Black "Kavaliauskas, Walter Jorge"]
[Result "0-1"]
[ECO "B50"]
[PlyCount "58"]
[EventDate "1986.10.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. Nf3 d6 4. Bc4 Nf6 5. d3 g6 6. Ng5 Ne5 7. 0-0 Nxc4 8. dxc4 Bg7 9. h3 h6 10. Nf3 Be6 11. Qd3 0-0 12. Re1 a6 13. Bf4 Kh7 14. e5 dxe5 15. Bxe5 Qxd3 16. cxd3 Rad8 17. Rad1 Bf5 18. d4 cxd4 19. Nxd4 e6 20. Nxf5 gxf5 21. Bxf6 Bxf6 22. Na4 Bd4 23. b3 b5 24. cxb5 axb5 25. g3 bxa4 26. bxa4 Bc3 27. Rf1 Rd4 28. Rxd4 Bxd4 29. Kg2 f6 0-1

