Fm7♭5♭9 8-string guitar chord

How to play Fm7♭5♭9 on 8-string guitar

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

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

What notes are in Fm7♭5♭9?

Fm7♭5♭9, F half-diminished seventh flat nine, is F, A♭, C♭, E♭ and G♭: the root (F), the minor third (A♭), the diminished fifth (C♭), the minor seventh (E♭) and the flat ninth (G♭). Its formula is 1 ♭3 ♭5 ♭7 ♭9.