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

in Open G (D-G-D-G-B-D) tuning · Also known as Spanish, Taro Patch, Slack Key G

Root

Type

Tuning

C#m7♭5

Half-Diminished

Notes:C# · E · G · B

hardfret 2

Piano Left hand Right hand

Fingerings (16)

C#m7♭5 shapes as text

Frets	Fingers	Notes	Difficulty
x 6 2 0 0 2	– 3 1 – – 2	x C# E G B E	hard
x 6 2 4 2 5	– 4 1 2 1 3	x C# E B C# G	hard · barre on fret 2
x 6 5 4 5 x	– 4 2 1 3 –	x C# G B E x	medium
x 6 5 6 5 9	– 2 1 3 1 4	x C# G C# E B	hard · barre on fret 5
x 6 9 9 8 x	– 1 3 4 2 –	x C# B E G x	medium
11 9 9 0 8 x	4 2 3 – 1 –	C# E B G G x	medium
11 9 9 12 12 9	2 1 1 3 4 1	C# E B G B B	medium · barre on fret 9
x 6 2 0 0 5	– 3 1 – – 2	x C# E G B G	hard
2 4 2 4 2 5	1 2 1 3 1 4	E B E B C# G	medium · barre on fret 2
x 6 x 4 5 5	– 4 – 1 2 3	x C# x B E G	hard
x 6 5 9 5 9	– 2 1 3 1 4	x C# G E E B	hard · barre on fret 5
x 6 x 9 8 9	– 1 – 3 2 4	x C# x E G B	hard
x x 11 9 8 9	– – 4 2 1 3	x x C# E G B	medium
11 12 9 9 12 9	2 3 1 1 4 1	C# G B E B B	medium · barre on fret 9
x 6 5 0 0 2	– 3 2 – – 1	x C# G G B E	hard
2 4 5 4 2 2	1 2 4 3 1 1	E B G B C# E	medium · barre on fret 2

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 G 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 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.