Using the middle, ring and pinky, we can mark the D Minor chord. Some fretboards are smaller than others on the Cuatro depending on who made them and also depending on the size of your fingers. So make sure you squeeze those fingers together and mark the chord with enough strength for a clean sound.
The D Minor Chord is composed of:
The A note is marked twice with the open first string and the 3rd fret on the 3rd string. Check the video out to see how this is done: