Guitar Chord Chart and Tabs in full step down Tuning

Dob7b9
Notes: Do♭, Mi♭, Sol♭, Si♭♭, Ré♭♭
10,11,11,10,10,10 (123111)
x,11,11,10,10,10 (x23111)
10,11,11,10,10,x (12311x)