C♯7♭5♭9 8-string guitar chord

How to play C♯7♭5♭9 on 8-string guitar

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

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

What notes are in C♯7♭5♭9?

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