Learn › B Half Diminished Chord on Guitar (Bm7b5)
New Released in April 2026
B Half Diminished Chord on Guitar (Bm7b5)
To play Bm7b5 on guitar, press the strings shown below; some strings ring open. Then strum from the 5th string down: the notes B, D, F, A ring together. First the picture, then each finger, then three chords to practise Bm7b5 with.
No account, no download. The demo has limited content. Advanced features are in ChordRunner Premium.
- MIDI keyboard
- Digital or acoustic piano
- Guitar
- Computer, phone or tablet
How to play Bm7b5 on guitar
Where each finger goes
- Index: 5th string (A), fret 2
- Ring: 4th string (D), fret 3
- Middle: 3rd string (G), fret 2
- Little: 2nd string (B), fret 3
Strings to play
x2323x: × = do not play, 0 = open string.
Bm7b5 string by string
| 5th string (A) | fret 2: B |
|---|---|
| 4th string (D) | fret 3: F |
| 3rd string (G) | fret 2: A |
| 2nd string (B) | fret 3: D |
From Bdim to Bm7b5: 3rd string (G): fret 4 → fret 2.
Slide this shape along the neck: fret 1 = Bbm7b5, fret 3 = Cm7b5, fret 4 = C#m7b5, fret 5 = Dm7b5.
Another way to play Bm7b5
Players switch to this position to keep the hand in one area of the neck.
Where Bm7b5 is used
Bm7b5 leads to E7 and then home: it is the ii chord of a minor key, as in Bm7b5 → E7 → Am.
Practise Bm7b5 with the microphone
Strum Bm7b5 near the microphone when it comes up in ChordRunner: the game checks all four notes, B, D, F, A, and moves on. MIDI keyboard or microphone, both work. MIDI keyboard or microphone, both work.
Play the demoCommon questions
What notes are in the Bm7b5 guitar chord?
B half diminished has three notes: B, D, F, A. On the guitar some of them are doubled on different strings, so all six (or five) strings sound like one chord.
What is the difference between Bm7b5 and Bdim on guitar?
Bm7b5 adds one note to Bdim: A, on top of B D F. From Bdim to Bm7b5: 3rd string (G): fret 4 → fret 2.
Which fingers do I use for Bm7b5?
Index finger: 5th string (A), fret 2, ring finger: 4th string (D), fret 3, middle finger: 3rd string (G), fret 2, little finger: 2nd string (B), fret 3.
Does ChordRunner hear Bm7b5 on guitar?
Yes. Strum it near the phone or computer microphone and the game checks the four notes B, D, F, A. A USB MIDI keyboard works too.
Your instrument is the controller.
ChordRunner is a browser game that teaches piano and guitar chords: a chord appears on screen, you play it on a real instrument, and your runner jumps. MIDI keyboard or microphone, both work.
Try the demoKeep learning
Easy Guitar Chords for Beginners
Easy guitar chords for beginners: Em, Am, C, G, D, E, A and Dm with diagrams, the order to learn them and how …
Guitar Chord Chart: 21 Essential Chords
Guitar chord chart with diagrams: the 7 major, 7 minor and 7 seventh chords guitarists use most, how to read a…
Guitar Chord Game: Practise Chords on Your Guitar
A guitar chord game in your browser: a chord appears, you strum it, the microphone hears it. Practise chord ch…
B Half-Diminished Chord on Piano (Bm7b5)
How to play the B half-diminished 7th chord (Bm7b5 chord) on piano: B D F A, both hands, four inversions, thre…
Chord Training That Feels Like a Game
Interactive chord training in your browser. Play major, minor, 7th and extended chords on a MIDI keyboard or a…
Master All 12 Major Chords on Piano
Every major chord on piano with notes and fingering, plus an interactive game that drills all 12 until they ar…