Bmaj7♭5 7-string guitar chord

How to play Bmaj7♭5 on 7-string guitar

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

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

What notes are in Bmaj7♭5?

Bmaj7♭5, B major seventh flat five, is B, D♯, F and A♯: the root (B), the major third (D♯), the diminished fifth (F) and the major seventh (A♯). Its formula is 1 3 ♭5 7.