Open position=top two notes are out of alphabetical order (the bottom and top note of the triad will span more than an octave). These same rules apply to minor, augmented and diminished triads.
What is a closed position triad?
When the notes of a chord appear as close together as possible, the chord is in closed spacing. Closed spacing is also called closed voicing or closed position. Here's a C major chord in root position, first inversion, and second inversion all in closed spacing.
What is open triads in guitar?
On The Guitar…
To play open-voiced minor triads simply make the major 3rd a minor 3rd instead by moving the B note down 1 fret. (If you're a real nerd for this stuff you could also try experimenting with diminished and augmented shapes.)
What is an open position chord?
Open chords, or open position chords, are guitar chords that include at least one unfretted open string. Open chords are also called “cowboy chords” because they're among the simplest chords to play, making them easy to learn for beginners.