Cm7♭9 8-string guitar chord

How to play Cm7♭9 on 8-string guitar

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

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

What notes are in Cm7♭9?

Cm7♭9, C minor seventh flat nine, is C, E♭, G, B♭ and D♭: the root (C), the minor third (E♭), the perfect fifth (G), the minor seventh (B♭) and the flat ninth (D♭). Its formula is 1 ♭3 5 ♭7 ♭9.