# How to play A♯ diminished / C♯ (1st inversion) chord on guitar — Shape xxb9b9 | Guitar Wiz

> Learn how to play the A♯ diminished / C♯ (1st inversion) chord on guitar (Shape xxb9b9). Follow our step-by-step finger placement instructions to master this fretboard shape. Place the 1st finger on the 9th fret of the 3rd string.

Source: https://guitarwiz.app/chords/a-sharp-diminished/c-sharp/xxb9b9

## Chord Facts

- Canonical chord: A♯ diminished
- Display name: A♯dim/C♯
- Notes: A♯, C♯, E
- Intervals: 1 (A♯), ♭3 (C♯), ♭5 (E)

## How To Play This Shape

- Place the 1st finger on the 9th fret of the 3rd string
- Place the 2nd finger on the 9th fret of the 1st string
- Place the 3rd finger on the 11th fret of the 4th string
- Place the 4th finger on the 11th fret of the 2nd string

## Other Resources

- Parent chord page: https://guitarwiz.app/chords/a-sharp-diminished/c-sharp/
- Chord library: https://guitarwiz.app/chords