B° chord on 6-String Guitar – Open A
in Open A (E-A-C#-E-A-E) tuning · Also known as Spanish A
B°
Diminished
Notes:B · D · F
Piano Left hand Right hand
Fingerings (16)
B° shapes as text
| Shape | Frets | Fingers | Notes | Difficulty |
|---|---|---|---|---|
| x 2 1 1 2 1 | – 2 1 1 3 1 | x B D F B F | easy · barre on fret 1 | |
| x 2 4 x 5 x | – 1 2 – 3 – | x B F x D x | hard | |
| 7 5 4 7 x x | 3 2 1 4 – – | B D F B x x | medium | |
| 7 5 x 7 8 x | 2 1 – 3 4 – | B D x B F x | hard | |
| x x 10 7 8 10 | – – 3 1 2 4 | x x B B F D | medium | |
| x x 10 10 8 10 | – – 2 3 1 4 | x x B D F D | medium | |
| x 2 1 1 2 x | – 3 1 2 4 – | x B D F B x | medium | |
| x 5 4 x 2 x | – 3 2 – 1 – | x D F x B x | hard | |
| 7 5 4 x x x | 3 2 1 – – – | B D F x x x | medium | |
| 7 8 x 7 5 x | 2 4 – 3 1 – | B F x B D x | hard | |
| x x 10 10 8 7 | – – 3 4 2 1 | x x B D F B | medium | |
| x x 10 10 8 x | – – 2 3 1 – | x x B D F x | medium | |
| x 2 1 1 x x | – 3 1 2 – – | x B D F x x | easy | |
| 7 x 4 7 5 x | 3 – 1 4 2 – | B x F B D x | hard | |
| 7 5 x x 8 7 | 2 1 – – 4 3 | B D x x F B | hard | |
| 7 8 10 10 x x | 1 2 3 4 – – | B F B D x x | medium |
The B° chord (Diminished) is built from the notes B, D, F. Below are playable fingerings for 6-String Guitar – Open A 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 B° chord is built
Formula: 1 · ♭3 · ♭5
| Degree | Semitones | Note |
|---|---|---|
| 1 | 0 | B |
| ♭3 | 3 | D |
| ♭5 | 6 | F |
More B chords
Other roots
See B° in another tuning
What notes make up the B° chord?
B° is a Diminished chord built from the notes B, D, F.
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.