Abdim is a diminished, spelled Ab, Cb and Ebb. In Open G tuning (D2 G2 D3 G3 B3 D4) the easiest shape is x10100, which sits at fret 1, needs no stretch at all, lets 3 strings ring open and mutes 1 string. 12 positions for it are shown below, from the nut up to fret 13.
Notes and intervals
Note
Ab
Cb
Ebb
Interval
1P
3m
5d
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.
x10100sits at fret 1, needs no stretch at all, lets 3 strings ring open and mutes 1 string670700sits at fret 6, spans 1 fret and lets 3 strings ring open640400sits at fret 4, spans 2 frets and lets 3 strings ring open640430sits at fret 3, spans 3 frets and lets 2 strings ring openx13013012sits at fret 12, spans 1 fret, lets 2 strings ring open and mutes 1 stringx1301300sits at fret 13, needs no stretch at all, lets 3 strings ring open and mutes 1 string079790sits at fret 7, needs a barre across 3 strings at fret 7 and lets 2 strings ring openx1301309sits at fret 9, spans 4 frets, lets 2 strings ring open and mutes 1 stringxxx100sits at fret 1, needs no stretch at all, lets 2 strings ring open and mutes 3 stringsx1010xsits at fret 1, needs no stretch at all, lets 2 strings ring open and mutes 2 strings010100sits at fret 1, needs no stretch at all and lets 4 strings ring openxx0100sits at fret 1, needs no stretch at all, lets 3 strings ring open and mutes 2 strings
Keys Abdim belongs to
Abdim is diatonic to 8 of the 96 keys this app knows, playing a different role in each.