C#m7♭5 chord on 6-String Guitar – CGDGBD (Open G Low C)
in CGDGBD (Open G Low C) tuning
C#m7♭5
Half-Diminished
Notes:C# · E · G · B
Piano Left hand Right hand
Fingerings (16)
C#m7♭5 shapes as text
| Shape | Frets | Fingers | Notes | Difficulty |
|---|---|---|---|---|
| 1 0 2 0 0 2 | 1 – 2 – – 3 | C# G E G B E | easy | |
| 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 | |
| 7 0 9 9 0 11 | 1 – 2 3 – 4 | G G B E B C# | hard | |
| x x 11 9 8 9 | – – 4 2 1 3 | x x C# E G B | medium | |
| 11 0 11 9 12 9 | 2 – 3 1 4 1 | B G C# E B B | medium · barre on fret 9 | |
| 1 0 2 0 0 x | 1 – 2 – – – | C# G E G B x | easy | |
| x 4 2 4 2 5 | – 2 1 3 1 4 | x 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 | |
| 7 0 11 9 0 9 | 1 – 4 2 – 3 | G G C# E B B | hard | |
| x 0 9 9 8 11 | – – 2 3 1 4 | x G B E G C# | medium | |
| x 9 11 12 12 9 | – 1 2 3 4 1 | x E C# G B B | medium · barre on fret 9 |
The C#m7♭5 chord (Half-Diminished) is built from the notes C#, E, G, B. Below are playable fingerings for 6-String Guitar – CGDGBD (Open G Low 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 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
Other roots
See C#m7♭5 in another tuning
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.