Charango Chord Chart and Tabs in Ronroco alternative Bolivian Tuning

SiM♯11, SiM+11
Notes: Si, Ré♯, Fa♯, Mi♯
x,10,9,9,8 (x4231)
x,10,8,9,9 (x4123)
11,10,9,x,8 (432x1)
11,10,8,x,9 (431x2)