C#m7♭5 chord on 6-String Guitar – Open F

in Open F (C-F-C-F-A-F) tuning

Root

Type

Tuning

C#m7♭5

Half-Diminished

Notes:C# · E · G · B

hard

Piano Left hand Right hand

Fingerings (16)

C#m7♭5 shapes as text

Frets	Fingers	Notes	Difficulty
1 x 4 2 2 x	1 – 4 2 3 –	C# x E G B x	hard
x 2 4 2 4 6	– 1 2 1 3 4	x G E G C# B	hard · barre on fret 2
4 6 7 6 4 x	1 2 4 3 1 –	E B G B C# x	medium · barre on fret 4
x 8 7 6 7 6	– 4 2 1 3 1	x C# G B E B	medium · barre on fret 6
7 8 11 8 7 x	1 2 4 3 1 –	G C# B C# E x	hard · barre on fret 7
x 8 11 8 10 11	– 1 3 1 2 4	x C# B C# G E	medium · barre on fret 8
1 2 4 x 2 x	1 2 4 – 3 –	C# G E x B x	hard
x 2 4 6 4 2	– 1 2 4 3 1	x G E B C# G	hard · barre on fret 2
7 6 4 6 4 x	4 2 1 3 1 –	G B E B C# x	medium · barre on fret 4
x 8 7 6 7 x	– 4 2 1 3 –	x C# G B E x	medium
7 8 11 11 7 x	1 2 3 4 1 –	G C# B E E x	hard · barre on fret 7
x 8 11 11 10 8	– 1 3 4 2 1	x C# B E G C#	medium · barre on fret 8
1 x 4 x 2 2	1 – 4 – 2 3	C# x E x B G	hard
x 6 4 2 4 2	– 4 2 1 3 1	x B E G C# G	hard · barre on fret 2
4 6 7 8 4 x	1 2 3 4 1 –	E B G C# C# x	hard · barre on fret 4
x 8 7 x 7 6	– 4 2 – 3 1	x C# G x E B	hard

Max fret: 12

Fingerings shown: 16

The C#m7♭5 chord (Half-Diminished) is built from the notes C#, E, G, B. Below are playable fingerings for 6-String Guitar – Open F 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#m7♭5 chord is built

Formula: 1 · ♭3 · ♭5 · ♭7

Degree	Semitones	Note
1	0	C#
♭3	3	E
♭5	6	G
♭7	10	B

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#°7 C#sus2 C#sus4 C#add9 C#maj9 C#m9 C#5

Other roots

Cm7♭5 Dm7♭5 D#m7♭5 Em7♭5 Fm7♭5 F#m7♭5 Gm7♭5 G#m7♭5 Am7♭5 A#m7♭5 Bm7♭5

See C#m7♭5 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 F C-F-C-F-A-F Open G D-G-D-G-B-D DADGAD (D Modal) D-A-D-G-A-D

What notes make up the C#m7♭5 chord?

C#m7♭5 is a Half-Diminished chord built from the notes C#, E, G, B.

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.