Guitar Chord Chart and Tabs in Open Cm Tuning

BbM9♯11, Bb9+11
Notes: B♭, D, F, A, C, E
10,10,11,9,9,9 (234111)
10,9,11,10,9,9 (214311)
10,10,9,9,9,11 (231114)
10,9,9,10,9,11 (211314)