G7♭5 8-string guitar chord

How to play G7♭5 on 8-string guitar

The most common way, the first shape above: your index finger on the low E string at the 3rd fret, your little finger on the A string at the 4th fret, your middle finger on the D string at the 3rd fret and your ring finger on the high E string at the 3rd fret. Let the G and high B strings ring open. Don’t play the F♯ and low B strings.

From the F♯ string x x 3 4 3 0 0 3 (x: not played, 0: open)

What notes are in G7♭5?

G7♭5, G dominant seventh flat five, is G, B, D♭ and F: the root (G), the major third (B), the diminished fifth (D♭) and the minor seventh (F). Its formula is 1 3 ♭5 ♭7.