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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–1–2–1–3–X

How to play the B7b5 chord on guitar

Read the string pattern X–1–2–1–3–X 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) Do not play
5th string (A) Fret 1 · index finger
4th string (D) Fret 2 · middle finger
3rd string (G) Fret 1 · index finger
2nd string (B) Fret 3 · ring finger
1st string (high E) Do not play

Notation for B7b5 chord

Other names: B 7th flat 5

Music theory name: seventh flat five chord

Common name: B 7b5 chord

Intervals and tones in B7b5 chord

Note Interval
B Root
D Major 3rd
E Diminished 5th
Ab Minor 7th

All Variations

Open
X–1–2–1–3–X
Fret 5
6–X–6–7–5–0
Fret 8
X–X–8–9–9–10
Fret 11
X–13–12–13–11–0

More chords with B as the root

The same chord type in other keys