Gm7♭5♭9 8-string guitar chord

How to play Gm7♭5♭9 on 8-string guitar

The most common way, the first shape above: lay your index finger flat across the six strings from the F♯ to the G at the 1st fret, your middle finger on the low B string at the 2nd fret and your ring finger on the D string at the 3rd fret. Don’t play the high B and high E strings.

From the F♯ string 1 2 1 1 3 1 x x (x: not played, 0: open)

What notes are in Gm7♭5♭9?

Gm7♭5♭9, G half-diminished seventh flat nine, is G, B♭, D♭, F and A♭: the root (G), the minor third (B♭), the diminished fifth (D♭), the minor seventh (F) and the flat ninth (A♭). Its formula is 1 ♭3 ♭5 ♭7 ♭9.