B7♭9 7-string guitar chord

How to play B7♭9 on 7-string guitar

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

From the low B string x x 2 1 2 1 x (x: not played, 0: open)

What notes are in B7♭9?

B7♭9, B dominant seventh flat nine, is B, D♯, F♯, A and C: the root (B), the major third (D♯), the perfect fifth (F♯), the minor seventh (A) and the flat ninth (C). Its formula is 1 3 5 ♭7 ♭9.