Charango Chord Chart and Tabs in Ronroco Tuning

C7b5, CM7b5, CM7b5, CM7b5, C dom7dim5
Notes: C, E, G♭, B♭
11,8,7,9,x (4213x)
7,8,11,9,x (1243x)
11,x,7,9,10 (4x123)
7,x,11,9,10 (1x423)