Electric guitar · Diminished chord

Fdim Diminished

Key: F# Major
Medium

Fdim is the F diminished chord on electric guitar, made of the notes F · G# · B.

Position 1 of 4Main

Notes

F
G#
B

Structure

1
♭3
♭5

Sound: Diminished; Unstable, dramatic
Harmonic function: Dominant; Creates tension that resolves to the tonic.

Harmonic field of F# Major

Degree	Chord	Function
I	F#	Tonic
ii	G#m	Subdominant
iii	A#m	Tonic relative
IV	B	Subdominant
V	C#	Dominant
vi	D#m	Tonic relative
vii°	Fdim	Dominant

How to play

1Barre fret 1 with your index finger, from string 6 to string 3.
2Place your middle finger on fret 2 of string 5.
3Place your ring finger on fret 3 of string 4.
4Don't play strings 2, 1.
5Strum all the strings.