F sharp diminished guitar chord (F#dim)
Also written Gbdim (G flat diminished)
A diminished chord stacks two minor thirds: root, minor third, diminished fifth. Tense and unstable, it is mostly used as a passing chord.
Positions and fingerings
Position 1 fret 2
Position 2 fret 4
Position 3 fret 9
× muted string · o open string · numbers: fingers (1 index, 2 middle, 3 ring, 4 pinky)
Chord notes
| Note | Interval |
|---|---|
| F♯ (F sharp) | root |
| A | minor third |
| C | diminished fifth |
Formula: 1 – b3 – b5 · F♯ – A – C
A progression with this chord
The diminished chord works as a passing chord to the chord a semitone above.