Charango Chord Chart and Tabs in Ronroco alternative Bolivian Tuning

Sib+7, Sib7♯5, Sib7+5, Sib aug7
Notes: Si♭, Ré, Fa♯, La♭
x,9,11,8,9 (x2413)
x,9,9,8,11 (x2314)
10,9,11,x,9 (213x1)
10,9,9,x,11 (211x3)