The Chaco Open, Abierto del Nordeste or Northeast Open, is a golf tournament on the TPG Tour, the official professional golf tour in Argentina. First held in 1970, it has always been held at the Chaco Golf Club, in Resistencia, Chaco Province. It took a hiatus from 2008 to 2010.

Winners

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Year Winner Score Runner(s)-up
2013 Daniel Barbetti 138 Nelson Ledesma
2012 Luciano Dodda 273 Clodomiro Carranza
2011 Emilio Domínguez 274 César Costilla, Roberto Coceres
2008–10 No tournament
2007 Fabián Gómez 276 Miguel Fernández
2006 Miguel Fernández José Cóceres, Fabián Gómez
1997–2005 No tournament
1996 Fabian Montovia* 272 Gustavo Rojas
1995
1994
1993
1992
1991
1990
1989
1988
1987 Armando Saavedra 263 Eduardo Romero
1986 Carlos Franco* Miguel Fernández
1985
1984 Eduardo Romero 277 Jorge Soto
1983 No tournament
1982 Jorge Soto 277 Adan Sowa
1980–81 No tournament
1979 Jorge Soto
1978 Armando Saavedra 265 Vicente Fernández
1977 Juan Carlos Cabrera 274 Carlos Liberto
1976 Antonio Peralta 279 Horacio Carbonetti (amateur)
1975 Jorge Soto 273 Carlos Liberto
1974 Vicente Fernández 268
1973 Vicente Fernández 268
1972
1971 Fidel de Luca
1970
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