7-String Guitar Chord Chart and Tabs in b standard Tuning

DobmM13, Dob-M13, Dob minmaj13
Notes: Do♭, Mi♭♭, Sol♭, Si♭, Ré♭, Fa♭, La♭
11,10,9,9,10,9,9 (4211311)
9,10,9,9,10,11,9 (1211341)
11,9,9,9,10,9,10 (4111213)
9,9,9,9,10,11,10 (1111243)