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

CbmM13, Cb-M13, Cb minmaj13
Notes: C♭, E♭♭, G♭, B♭, D♭, F♭, A♭
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)