7-String Guitar Chord Chart and Tabs in Open String Tuning

Bb+M7, Bb+Δ, BbM7♯5, BbM7+5, BbΔ♯5, BbΔ+5, Bb augmaj7
Notes: B♭, D, F♯, A
x,x,8,11,10,10 (xx1423)
6,9,x,7,10,6 (13x241)
x,9,8,7,10,x (x3214x)
x,9,8,x,10,10 (x21x34)
x,9,x,7,10,6 (x3x241)
10,9,8,x,10,x (321x4x)
6,9,x,7,10,x (13x24x)
10,x,8,11,10,x (2x143x)
10,9,x,x,10,6 (32xx41)
6,9,x,x,10,10 (12xx34)