7-String Guitar Chord Chart and Tabs in Drop a Tuning

Do7b5b9
Notes: Do, Mi, Sol♭, Si♭, Re♭
9,9,9,10,9,11,9 (1112131)
x,9,9,10,9,11,9 (x112131)
x,x,9,10,9,11,9 (xx12131)
9,9,9,10,9,11,x (111213x)
9,9,x,10,9,11,9 (11x2131)
9,x,9,10,9,11,9 (1x12131)
x,9,9,10,9,11,x (x11213x)
9,9,x,10,9,11,x (11x213x)
9,x,x,10,9,11,9 (1xx2131)