A#° chord on 6-String Guitar – Open C

in Open C (C-G-C-G-C-E) tuning

✕○2131A#C#A#C#E
A#°
Diminished
Notes:A# · C# · E
mediumbarre on fret 1
Piano Left hand Right hand
EA#A#A#C#
ShapeFretsFingersNotesDifficulty
x 3 1 3 1 0– 2 1 3 1 –x A# C# A# C# Emedium · barre on fret 1
x 3 4 6 4 x– 1 2 4 3 –x A# E C# E xmedium
4 6 4 6 4 61 2 1 3 1 4E C# E C# E A#medium · barre on fret 4
10 6 10 6 10 02 1 3 1 4 –A# C# A# C# A# Ehard · barre on fret 6
10 9 10 9 10 92 1 3 1 4 1A# E A# E A# C#medium · barre on fret 9
x 3 1 3 4 0– 2 1 3 4 –x A# C# A# E Emedium
x 3 4 6 x x– 1 2 3 – –x A# E C# x xmedium
x 6 4 6 4 6– 2 1 3 1 4x C# E C# E A#medium · barre on fret 4
10 6 10 9 x x3 1 4 2 – –A# C# A# E x xhard
x x 10 9 10 9– – 2 1 3 1x x A# E A# C#easy · barre on fret 9
x 3 4 3 1 0– 2 4 3 1 –x A# E A# C# Emedium
x 3 x 6 4 6– 1 – 3 2 4x A# x C# E A#hard
x x 4 6 4 6– – 1 2 1 3x x E C# E A#medium · barre on fret 4
10 9 10 6 x x3 2 4 1 – –A# E A# C# x xhard
10 x 10 9 10 92 – 3 1 4 1A# x A# E A# C#hard · barre on fret 9
x x x 3 1 0– – – 2 1 –x x x A# C# Emedium

The A#° chord (Diminished) is built from the notes A#, C#, E. Below are playable fingerings for 6-String Guitar – Open C 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#° chord is built

Formula: 1 · ♭3 · ♭5

DegreeSemitonesNote
10A#
♭33C#
♭56E

More A# chords

Other roots

See A#° in another tuning

What notes make up the A#° chord?

A#° is a Diminished chord built from the notes A#, C#, E.

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.