Charango Chord Chart and Tabs in Original Tuning

Sib+7, Sib7♯5, Sib7+5, Sib aug7
Notes: Si♭, Ré, Fa♯, La♭
11,10,10,11,10 (21131)
11,10,10,11,x (2113x)
11,10,x,11,10 (21x31)