C#m7♭5 chord on 6-String Guitar – Open B
in Open B (B-F#-B-F#-B-D#) 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 |
|---|---|---|---|---|
| 2 1 0 1 0 1 | 4 1 – 2 – 3 | C# G B G B E | medium | |
| x x 2 5 5 4 | – – 1 3 4 2 | x x C# B E G | medium | |
| x 7 5 5 0 4 | – 4 2 3 – 1 | x C# E B B G | medium | |
| x 7 5 5 8 x | – 3 1 2 4 – | x C# E B G x | medium | |
| x 7 8 10 0 8 | – 1 2 4 – 3 | x C# G E B B | medium | |
| 0 10 8 10 8 10 | – 2 1 3 1 4 | B E G E G C# | medium · barre on fret 8 | |
| x x 2 1 0 1 | – – 3 1 – 2 | x x C# G B E | easy | |
| 2 5 2 x 5 4 | 1 3 1 – 4 2 | C# B C# x E G | hard · barre on fret 2 | |
| x 7 5 7 0 4 | – 3 2 4 – 1 | x C# E C# B G | medium | |
| x 7 8 5 5 x | – 3 4 1 2 – | x C# G B E x | medium | |
| x 7 8 10 0 10 | – 1 2 3 – 4 | x C# G E B C# | medium | |
| 8 10 8 10 0 10 | 1 2 1 3 – 4 | G E G E B C# | medium · barre on fret 8 | |
| 2 x 0 1 2 1 | 2 – – 1 3 1 | C# x B G C# E | easy · barre on fret 1 | |
| 2 x x 5 5 4 | 1 – – 3 4 2 | C# x x B E G | hard | |
| x 7 x 5 5 4 | – 4 – 2 3 1 | x C# x B E G | hard | |
| x 7 5 x 8 8 | – 2 1 – 3 4 | x C# E x G B | hard |
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 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#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.