A diminished 7th chord on guitar (Adim7)

A diminished 7th is played in open position as × 0 1 2 1 2: index finger on the D string at fret 1, ring finger on the G string at fret 2, middle finger on the B string at fret 1 and pinky finger on the high e string at fret 2. The A string rings open. The low E string stays muted.

Tip — The open shape requires stretching the pinky to the 2nd fret of the high E while the index and middle fingers hold the 1st fret on adjacent strings.

A diminished 7th is played at the 4th fret as 5 6 4 5 4 ×: barre your index finger across fret 4, middle finger on the low E string at fret 5, pinky finger on the A string at fret 6 and ring finger on the G string at fret 5. The high e string stays muted.

A diminished 7th is played at the 5th fret as 5 6 7 5 7 5: barre your index finger across fret 5, middle finger on the A string at fret 6, ring finger on the D string at fret 7 and pinky finger on the B string at fret 7.

A diminished 7th is played at the 7th fret as × × 7 8 7 8: index finger on the D string at fret 7, ring finger on the G string at fret 8, middle finger on the B string at fret 7 and pinky finger on the high e string at fret 8. The low E and A strings stay muted.

A diminished 7th is played at the 10th fret as × 12 10 11 10 11: barre your index finger across fret 10, pinky finger on the A string at fret 12, middle finger on the G string at fret 11 and ring finger on the high e string at fret 11. The low E string stays muted.