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F#9b5 Guitar Chord

A tense jazz chord with a tritone. Often serves as a tritone substitution for the dominant. The fifth is already altered, so the perfect fifth is not played — the remaining notes are all included.

Guitar

Strings 2–1–2–1–1–2

How to play the F#9b5 chord on guitar

Read the string pattern 2–1–2–1–1–2 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) Fret 2 · middle finger
5th string (A) Fret 1 · index finger
4th string (D) Fret 2 · ring finger
3rd string (G) Fret 1 · index finger
2nd string (B) Fret 1 · index finger
1st string (high E) Fret 2 · pinky

Other names for the F#9b5 chord

Other names: F# 9th flat 5

Music theory name: ninth flat five chord

Common name: F# 9b5 chord

Notes and intervals in the F#9b5 chord

Note Interval
F# Root
A# Major 3rd
C Diminished 5th
E Minor 7th
G# Major 9th

All variations

Open
2–1–2–1–1–2
Open
2–1–2–1–1–0
Fret 3
X–3–4–3–5–4
Fret 8
X–9–8–9–9–8

More chords with F# as the root

The same chord type in other keys