Chord boxes for a mandolin in standard tuning, G D A E, the same as a fiddle See the scales on the mandolin neck →
Mandolin chords · Standard tuning (G D A E)
G string on the left, E string on the right. ○ open, × not played, a bar across means one finger holds those strings down. With only four strings, a mandolin chord often leaves out the fifth, and the lowest note isn't always the root.