Guitar Chord Chart and Tabs in full step down Tuning

Bb+7, Bb7♯5, Bb7+5, Bb aug7
Notes: B♭, D, F♯, A♭
x,11,10,9,9,x (x3211x)
8,11,x,9,9,8 (14x231)
x,11,x,9,9,8 (x4x231)
8,11,x,9,9,x (14x23x)