7-String Guitar Chord Chart and Tabs in Open String Tuning

Solbb5, SolbMb5, SolbΔ-5
Notes: Sol♭, Si♭, Ré♭♭
x,x,x,3,1,2 (xxx312)
x,x,4,5,7,6 (xx1243)
6,x,4,5,7,x (3x124x)
2,x,x,3,1,x (2xx31x)