C♯7♯9♭5 8-string guitar chord

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

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

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

What notes are in C♯7♯9♭5?

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