Guitar Chord Chart and Tabs in one step closer tuning Tuning

Sib7b13, Sib7-13
Notes: Si♭, Ré, Fa, La♭, Sol♭
10,9,11,9,10,9 (214131)
10,9,11,9,10,x (21413x)
10,9,11,x,10,9 (214x31)