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

in Open Am (E-A-E-A-C-E) tuning

✕○3142C#EBEG
C#m7♭5
Half-Diminished
Notes:C# · E · G · B
mediumfret 2
Piano Left hand Right hand
EGBC#C#C#
ShapeFretsFingersNotesDifficulty
x 4 0 2 4 3– 3 – 1 4 2x C# E B E Gmedium
x 4 3 2 4 x– 3 2 1 4 –x C# G B E xmedium
x 4 3 x 4 7– 2 1 – 3 4x C# G x E Bhard
x 4 7 4 7 0– 1 2 1 3 –x C# B C# G Emedium · barre on fret 4
9 7 7 7 7 72 1 1 1 1 1C# E B E G Bmedium · barre on fret 7
9 10 9 10 11 01 2 1 3 4 –C# G C# G B Emedium · barre on fret 9
x 4 3 2 4 0– 3 2 1 4 –x C# G B E Emedium
x 4 x 2 4 3– 3 – 1 4 2x C# x B E Ghard
x 4 3 7 x 7– 2 1 3 – 4x C# G E x Bhard
x 4 0 4 7 7– 1 – 2 3 4x C# E C# G Bmedium
9 7 7 7 7 92 1 1 1 1 3C# E B E G C#medium · barre on fret 7
9 10 0 10 11 01 2 – 3 4 –C# G E G B Emedium
x 4 0 2 1 3– 4 – 2 1 3x C# E B C# Gmedium
x 2 3 4 4 x– 1 2 3 4 –x B G C# E xmedium
x 4 7 x 4 3– 2 4 – 3 1x C# B x E Ghard
x 4 0 7 7 7– 1 – 2 3 4x C# E E G Bmedium

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 Am 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

DegreeSemitonesNote
10C#
♭33E
♭56G
♭710B

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.