Six String Guitar · Open C Tuning (CGCGCE)

Cø9♭13C Half-Diminished 9th Flat 13th

CRoot

D♯tone

F♯tone

A♯tone

Dtone

G♯tone

Formula 1 · ♭3 · ♭5 · ♭7 · 2 · ♭6 · Notes C · D♯ · F♯ · A♯ · D · G♯

How to play it

Cø9♭13 fingering positions

Open C Tuning (CGCGCE), low E on the left. Each dot is colour-coded by note — the ringed dot is the root. Numbers below show the fret per string (x = muted).

C Half-Diminished 9th Flat 13th guitar chord — Open (0 1 2 3 3 2) fretboard diagram in Open C Tuning (CGCGCE)

C Half-Diminished 9th Flat 13th guitar chord — Open (0 1 3 3 2 2) fretboard diagram in Open C Tuning (CGCGCE)

C Half-Diminished 9th Flat 13th guitar chord — Open (0 3 3 1 2 2) fretboard diagram in Open C Tuning (CGCGCE)

C Half-Diminished 9th Flat 13th guitar chord — 12th position (12 13 14 15 15 14) fretboard diagram in Open C Tuning (CGCGCE)

C Half-Diminished 9th Flat 13th guitar chord — 12th position (12 13 15 15 14 14) fretboard diagram in Open C Tuning (CGCGCE)

C Half-Diminished 9th Flat 13th guitar chord — 12th position (12 15 15 13 14 14) fretboard diagram in Open C Tuning (CGCGCE)

Read it as tab

Cø9♭13 guitar tab

The same voicings in tablature — high e on top, low E on the bottom. Each fret number is colour-coded by note; the ringed number is the root, × means don’t play that string.

C Half-Diminished 9th Flat 13th guitar tab — Open (0 1 2 3 3 2) in Open C Tuning (CGCGCE)

C Half-Diminished 9th Flat 13th guitar tab — Open (0 1 3 3 2 2) in Open C Tuning (CGCGCE)

C Half-Diminished 9th Flat 13th guitar tab — Open (0 3 3 1 2 2) in Open C Tuning (CGCGCE)

C Half-Diminished 9th Flat 13th guitar tab — 12th position (12 13 14 15 15 14) in Open C Tuning (CGCGCE)

C Half-Diminished 9th Flat 13th guitar tab — 12th position (12 13 15 15 14 14) in Open C Tuning (CGCGCE)

C Half-Diminished 9th Flat 13th guitar tab — 12th position (12 15 15 13 14 14) in Open C Tuning (CGCGCE)

Sound

How Cø9♭13 sounds

Consonance

1/ 5

Brightness

DarkBright

Character

Moods & genres

Moods

bleakdense

Genres

jazz

Theory

Notes & relationships

NotesC · D♯ · F♯ · A♯ · D · G♯

Formula (scale degrees)1 · ♭3 · ♭5 · ♭7 · 2 · ♭6

Explore

More ways to play C Half-Diminished 9th Flat 13th

Browse the rest of the C chords in this tuning, or open Cø9♭13 in the app for every voicing.

Cø9♭13 in other tunings:

See & hear Cø9♭13 in Chordology

The app shows every voicing across guitar, piano, bass, banjo and ukulele — in any tuning, with a capo, and you can play every chord back. All offline.

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