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B♭dim guitar chord

B flat diminished. Notes: B♭ D♭ F♭. Also written A♯dim.
01

Easy shape

Beginner
××1243–EB♭AF♭DB♭GD♭B–e

A-shape · fret 1 · Full & movable

Root on the 5th string at fret 1. Place your first finger on fret 1 first, then add the others.

String by string, low to high

  1. Low E muted: don’t play it
  2. A fret 1, finger 1 (B♭)
  3. D fret 2, finger 2 (F♭)
  4. G fret 3, finger 4 (B♭)
  5. B fret 2, finger 3 (D♭)
  6. High E muted: don’t play it
Hear this B♭dim shape
02

Harder shape

Intermediate
××11236frB♭EF♭AB♭DD♭G–B–e

E-shape · fret 6 · Full & movable

Root on the 6th string at fret 6. Set your first finger across fret 6 first, then add the others.

String by string, low to high

  1. Low E fret 6, finger 1 (B♭)
  2. A fret 7, finger 2 (F♭)
  3. D fret 8, finger 3 (B♭)
  4. G fret 6, finger 1 (D♭)
  5. B muted: don’t play it
  6. High E muted: don’t play it
Hear this B♭dim shape

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03

More chords

Other B flat chords

Other dim chords

See the full chord chart