Six String Guitar · Open C Tuning (CGCGCE)

Bø7♭9B Half-Diminished 7th Flat 9th

A♯Root

C♯tone

Etone

G♯tone

Btone

Formula 7 · 2 · 4 · 6 · 1 · Notes A♯ · C♯ · E · G♯ · B

How to play it

Bø7♭9 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).

B Half-Diminished 7th Flat 9th guitar chord — Open (x 4 0 2 2 1) fretboard diagram in Open C Tuning (CGCGCE)

B Half-Diminished 7th Flat 9th guitar chord — Open (x 4 2 2 0 1) fretboard diagram in Open C Tuning (CGCGCE)

B Half-Diminished 7th Flat 9th guitar chord — 2nd position (x 4 2 5 5 5) fretboard diagram in Open C Tuning (CGCGCE)

B Half-Diminished 7th Flat 9th guitar chord — 2nd position (x 4 5 5 2 5) fretboard diagram in Open C Tuning (CGCGCE)

B Half-Diminished 7th Flat 9th guitar chord — 4th position (x 4 0 7 5 5) fretboard diagram in Open C Tuning (CGCGCE)

B Half-Diminished 7th Flat 9th guitar chord — 4th position (x 4 5 7 0 5) fretboard diagram in Open C Tuning (CGCGCE)

B Half-Diminished 7th Flat 9th guitar chord — 9th position (11 x 9 10 12 10) fretboard diagram in Open C Tuning (CGCGCE)

B Half-Diminished 7th Flat 9th guitar chord — 11th position (11 x 12 14 14 13) fretboard diagram in Open C Tuning (CGCGCE)

Read it as tab

Bø7♭9 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.

B Half-Diminished 7th Flat 9th guitar tab — Open (x 4 0 2 2 1) in Open C Tuning (CGCGCE)

B Half-Diminished 7th Flat 9th guitar tab — Open (x 4 2 2 0 1) in Open C Tuning (CGCGCE)

B Half-Diminished 7th Flat 9th guitar tab — 2nd position (x 4 2 5 5 5) in Open C Tuning (CGCGCE)

B Half-Diminished 7th Flat 9th guitar tab — 2nd position (x 4 5 5 2 5) in Open C Tuning (CGCGCE)

B Half-Diminished 7th Flat 9th guitar tab — 4th position (x 4 0 7 5 5) in Open C Tuning (CGCGCE)

B Half-Diminished 7th Flat 9th guitar tab — 4th position (x 4 5 7 0 5) in Open C Tuning (CGCGCE)

B Half-Diminished 7th Flat 9th guitar tab — 9th position (11 x 9 10 12 10) in Open C Tuning (CGCGCE)

B Half-Diminished 7th Flat 9th guitar tab — 11th position (11 x 12 14 14 13) in Open C Tuning (CGCGCE)

Sound

How Bø7♭9 sounds

Consonance

1/ 5

Brightness

DarkBright

Character

Moods & genres

Moods

bleakdissonant

Genres

jazzclassical

Theory

Notes & relationships

NotesA♯ · C♯ · E · G♯ · B

Formula (scale degrees)7 · 2 · 4 · 6 · 1

Same notes asBø♭9 Bo♭9

Explore

More ways to play B Half-Diminished 7th Flat 9th

Browse the rest of the B chords in this tuning, or open Bø7♭9 in the app for every voicing.

Bø7♭9 in other tunings:

See & hear Bø7♭9 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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