The below diagrams show you how to play the A Diminished 7 chord in various positions on the fretboard with suggested finger positions.

A Diminished Seventh chord attributes:

Interval positions with respect to the A major scale, notes in the chord and name variations:

• Scale intervals: 1 - b3 - b5 - bb7
• Notes in the chord: A - C - D# - F#
• Various names: Adim7 - A Diminished 7

Note about fret numbers: The notes in diminished 7th chords are evenly spaced. This means that the chord patterns can be moved along every three frets to create an inversion of the same chord. The numbers in the boxes to the left of each diagram indicate some of the different frets where the chord can be played.

Diminished chords explained