4-String Banjo Chord Chart and Tabs in Gbb Tuning

Si#M7b5, Si#Ma7b5, Si#j7b5, Si#Δ7b5, Si#Δb5, Si# maj7b5
Notes: Si♯, Rex, Fa♯, Lax
8,4,5,4 (3121)
8,9,7,9 (2314)