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B7b5 Guitar Chord

A tense jazz chord with a tritone replacing the perfect fifth. Often serves as a tritone substitution in jazz progressions — replacing the classic dominant seventh chord.

Guitar

Strings X–2–1–2–0–1

How to play the B7b5 chord on guitar

Read the string pattern X–2–1–2–0–1 from the low E string to the high E string. Numbers in the pattern are frets; numbers in the colored dots are left-hand fingers. X means a muted string and 0 means an open string.

6th string (low E) Muted
5th string (A) Fret 2 · ring finger
4th string (D) Fret 1 · index finger
3rd string (G) Fret 2 · pinky
2nd string (B) Open
1st string (high E) Fret 1 · middle finger

Other names for the B7b5 chord

Other names: B 7th flat 5

Music theory name: seventh flat five chord

Common name: B 7b5 chord

Notes and intervals in the B7b5 chord

Note Interval
B Root
D# Major 3rd
F Diminished 5th
A Minor 7th

All variations

Open
X–2–1–2–0–1
Open
X–2–3–2–4–X
Fret 6
7–X–7–8–6–X
Fret 9
X–X–9–10–10–11

More chords with B as the root

The same chord type in other keys