C#°7 chord on 6-String Guitar – Open B

in Open B (B-F#-B-F#-B-D#) tuning

Root

Type

Tuning

C#°7

Diminished 7

Notes:C# · E · G · A#

hardbarre on fret 1

Piano Left hand Right hand

Fingerings (16)

C#°7 shapes as text

Frets	Fingers	Notes	Difficulty
2 4 x 1 2 1	2 4 – 1 3 1	C# A# x G C# E	hard · barre on fret 1
x x 2 4 5 4	– – 1 2 4 3	x x C# A# E G	medium
x 7 5 4 5 4	– 4 2 1 3 1	x C# E A# E G	medium · barre on fret 4
x 7 5 x 8 7	– 2 1 – 4 3	x C# E x G A#	hard
x 7 8 10 8 7	– 1 2 4 3 1	x C# G E G A#	medium · barre on fret 7
x x 8 10 11 10	– – 1 2 4 3	x x G E A# C#	medium
2 1 5 4 x x	2 1 4 3 – –	C# G E A# x x	hard
2 4 2 x 5 4	1 2 1 – 4 3	C# A# C# x E G	hard · barre on fret 2
x 7 5 4 8 4	– 3 2 1 4 1	x C# E A# G G	hard · barre on fret 4
x 7 8 x 5 7	– 2 4 – 1 3	x C# G x E A#	hard
x 7 8 10 11 7	– 1 2 3 4 1	x C# G E A# A#	hard · barre on fret 7
x x 11 10 8 10	– – 4 2 1 3	x x A# E G C#	medium
2 4 5 1 x x	2 3 4 1 – –	C# A# E G x x	hard
2 x x 4 5 4	1 – – 2 4 3	C# x x A# E G	hard
x 7 8 4 5 4	– 3 4 1 2 1	x C# G A# E G	hard · barre on fret 4
x x 5 7 8 7	– – 1 2 4 3	x x E C# G A#	medium

Max fret: 12

Fingerings shown: 16

The C#°7 chord (Diminished 7) is built from the notes C#, E, G, A#. 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 C#°7 chord is built

Formula: 1 · ♭3 · ♭5 · 6

Degree	Semitones	Note
1	0	C#
♭3	3	E
♭5	6	G
6	9	A#

More C# chords

C#C#m C#7 C#°C#+C#9 C#maj7 C#m7 C#7♯5 C#7♭5 C#6 C#m6 C#m7♭5 C#sus2 C#sus4 C#add9 C#maj9 C#m9 C#5

Other roots

C°7 D°7 D#°7 E°7 F°7 F#°7 G°7 G#°7 A°7 A#°7 B°7

See C#°7 in another tuning

Standard E E-A-D-G-B-E Half Step Down (Eb) D#-G#-C#-F#-A#-D#Drop D D-A-D-G-B-E Open D D-A-D-F#-A-D Open G D-G-D-G-B-D Open B B-F#-B-F#-B-D#DADGAD (D Modal) D-A-D-G-A-D

What notes make up the C#°7 chord?

C#°7 is a Diminished 7 chord built from the notes C#, E, G, A#.

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.