Bm is a minor, spelled B, D and F#. In Open G tuning (D2 G2 D3 G3 B3 D4) the easiest shape is x44400, which sits at fret 4, needs a barre across 3 strings at fret 4, lets 2 strings ring open and mutes 1 string. 12 positions for it are shown below, from the nut up to fret 11.
Notes and intervals
Note
B
D
F#
Interval
1P
3m
5P
12 ways to play it
Ordered by how hard they are to fret, easiest first, one per position on the neck. Fret numbers are relative to the position marked beside each grid.
x44400sits at fret 4, needs a barre across 3 strings at fret 4, lets 2 strings ring open and mutes 1 stringx40434sits at fret 3, spans 1 fret, lets 1 string ring open and mutes 1 string979770sits at fret 7, needs a barre across 4 strings at fret 7 and lets 1 string ring open91101100sits at fret 9, spans 2 frets and lets 3 strings ring open01101100sits at fret 11, needs no stretch at all and lets 4 strings ring openx44430sits at fret 3, spans 1 fret, lets 1 string ring open and mutes 1 stringx40404sits at fret 4, needs no stretch at all, lets 2 strings ring open and mutes 1 stringx4443xsits at fret 3, spans 1 fret and mutes 2 stringsx40430sits at fret 3, spans 1 fret, lets 2 strings ring open and mutes 1 string044400sits at fret 4, needs a barre across 3 strings at fret 4 and lets 3 strings ring open444400sits at fret 4, needs a barre across 4 strings at fret 4 and lets 2 strings ring openxxx434sits at fret 3, spans 1 fret and mutes 3 strings
Keys Bm belongs to
Bm is diatonic to 24 of the 96 keys this app knows, playing a different role in each.