Guitar Chord Chart and Tabs in Open C Tuning

BbM7b9, BbMa7b9, BbΔ7b9, BbΔb9
Notes: B♭, D, F, A, C♭
10,10,9,7,x,7 (3421x1)
10,7,9,10,x,7 (3124x1)
10,10,x,7,9,7 (34x121)
10,7,x,10,9,7 (31x421)