A♯m7♭5♭9 7-string guitar chord

How to play A♯m7♭5♭9 on 7-string guitar

The most common way, the first shape above: lay your index finger flat across the three strings from the A to the G at the 4th fret, your ring finger on the low E string at the 6th fret, your little finger on the D string at the 6th fret and your middle finger on the high B string at the 5th fret. Don’t play the low B and high E strings.

From the low B string x 6 4 6 4 5 x (x: not played, 0: open)

What notes are in A♯m7♭5♭9?

A♯m7♭5♭9, A♯ half-diminished seventh flat nine, is A♯, C♯, E, G♯ and B: the root (A♯), the minor third (C♯), the diminished fifth (E), the minor seventh (G♯) and the flat ninth (B). Its formula is 1 ♭3 ♭5 ♭7 ♭9.