Charango Chord Chart and Tabs in Ronroco Tuning

Si#+7, Si#7♯5, Si#7+5, Si# aug7
Notes: Si♯, Rex, Fax♯, La♯
11,x,9,9,10 (3x112)
9,x,11,9,10 (1x312)
11,8,9,9,x (4123x)
9,8,11,9,x (2143x)