Learn › D Diminished Chord on Guitar (Ddim)
New Released in April 2026
D Diminished Chord on Guitar (Ddim)
D diminished (Ddim) on the guitar: press the strings shown below; some strings ring open. Strum from the 5th string down and you hear D, F, Ab. Below: the diagram, which finger goes where, a second shape and the chords that go with it.
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- MIDI keyboard
- Digital or acoustic piano
- Guitar
- Computer, phone or tablet
The D diminished guitar chord, finger by finger
Where each finger goes
- Index: 5th string (A), fret 5
- Middle: 4th string (D), fret 6
- Little: 3rd string (G), fret 7
- Ring: 2nd string (B), fret 6
Which strings to strum
x5676x: × = do not play, 0 = open string.
Where Ddim is used
Ddim wants to move up one fret: play Ddim, then Eb or Ebm, and it resolves.
The notes inside Ddim, string by string
| 5th string (A) | fret 5: D |
|---|---|
| 4th string (D) | fret 6: Ab |
| 3rd string (G) | fret 7: D |
| 2nd string (B) | fret 6: F |
Slide this shape along the neck: fret 3 = Cdim, fret 4 = C#dim, fret 6 = Ebdim, fret 7 = Edim.
Practise Ddim in three steps
- Put the shape down slowly and pick each string once to check it rings.
- Lift the hand, then land all fingers together. Repeat ten times.
- Change from Ddim to D and back for a minute; then add G.
Play Ddim in a game
Ddim turns up between other chords in ChordRunner; strum it on time and the runner jumps. MIDI keyboard or microphone, both work. MIDI keyboard or microphone, both work.
Play the demoCommon questions
What notes are in the Ddim guitar chord?
D diminished has three notes: D, F, Ab. On the guitar some of them are doubled on different strings, so all six (or five) strings sound like one chord.
Which fingers do I use for Ddim?
Index finger: 5th string (A), fret 5, middle finger: 4th string (D), fret 6, little finger: 3rd string (G), fret 7, ring finger: 2nd string (B), fret 6.
Can I practise Ddim with a microphone or MIDI keyboard?
Both work in ChordRunner. The microphone hears an acoustic or electric guitar; a USB MIDI keyboard is detected automatically. Either way D, F, Ab must sound together.
Your instrument is the controller.
ChordRunner is a browser game that teaches piano and guitar chords: a chord appears on screen, you play it on a real instrument, and your runner jumps. MIDI keyboard or microphone, both work.
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