A#m7♭5 chord on 6-String Guitar – Open B
in Open B (B-F#-B-F#-B-D#) tuning
A#m7♭5
Half-Diminished
Notes:A# · C# · E · G#
Piano Left hand Right hand
Fingerings (16)
A#m7♭5 shapes as text
| Shape | Frets | Fingers | Notes | Difficulty |
|---|---|---|---|---|
| x 4 x 2 2 1 | – 4 – 2 3 1 | x A# x G# C# E | hard | |
| x 4 2 2 5 x | – 3 1 2 4 – | x A# C# G# E x | medium | |
| x 4 x 7 5 5 | – 1 – 4 2 3 | x A# x C# E G# | hard | |
| x x 5 7 9 7 | – – 1 2 4 3 | x x E C# G# A# | hard | |
| 11 7 9 10 x x | 4 1 2 3 – – | A# C# G# E x x | hard | |
| x x 11 10 9 10 | – – 4 2 1 3 | x x A# E G# C# | medium | |
| x 4 2 2 x 1 | – 4 2 3 – 1 | x A# C# G# x E | hard | |
| x 4 5 2 2 x | – 3 4 1 2 – | x A# E G# C# x | medium | |
| x 4 5 7 x 5 | – 1 2 4 – 3 | x A# E C# x G# | hard | |
| x x 9 7 5 7 | – – 4 2 1 3 | x x G# C# E A# | hard | |
| 11 10 9 7 x x | 4 3 2 1 – – | A# E G# C# x x | hard | |
| 11 x 9 10 9 10 | 4 – 1 2 1 3 | A# x G# E G# C# | hard · barre on fret 9 | |
| x 2 x 4 2 1 | – 2 – 4 3 1 | x G# x A# C# E | hard | |
| x 4 2 x 5 5 | – 2 1 – 3 4 | x A# C# x E G# | hard | |
| x 7 x 4 5 5 | – 4 – 1 2 3 | x C# x A# E G# | hard | |
| 5 7 5 x 9 7 | 1 2 1 – 4 3 | E C# E x G# A# | hard · barre on fret 5 |
The A#m7♭5 chord (Half-Diminished) is built from the notes A#, C#, E, G#. Below are playable fingerings for 6-String Guitar – Open B generated for your selected tuning, ordered from open-position shapes up the neck. Tap a diagram to hear it, or switch to the piano view to see the same harmony on keys.
How the A#m7♭5 chord is built
Formula: 1 · ♭3 · ♭5 · ♭7
| Degree | Semitones | Note |
|---|---|---|
| 1 | 0 | A# |
| ♭3 | 3 | C# |
| ♭5 | 6 | E |
| ♭7 | 10 | G# |
More A# chords
Other roots
See A#m7♭5 in another tuning
What notes make up the A#m7♭5 chord?
A#m7♭5 is a Half-Diminished chord built from the notes A#, C#, E, G#.
How do I read the diagram?
Strings run left to right from the lowest to the first string; the numbers show which finger presses each fret. An ○ marks an open string, an ✕ marks a muted one.