F thirteenth chord
F13 chord for piano presented by keyboard diagrams.
Explanation: The F thirteenth is a seven note chord. Due to practical circumstances, some notes (as a suggestion fifth, ninth, and eleventh) is omitted and the chord is played inverted. The chord is often abbreviated as F13.
Theory: The F thirteenth chord is constructed by adding a third to an eleventh chord.
Notes: F - A - C - Eb - G - Bb - D