Tension can be good.
In Chess, tension arises when two pieces build pressure on each other. GM Avrukh talks about favourable tension in this hour long masterclass.
Examples and illustrations, PGN files available for paid subscribers.
Recording of 52 week live course taken by GM RB Ramesh
Full comprehensive Breyer repertoire for Black against the main line of Ruy Lopez.
Recording of 52 week course taken by GM Mihail Marin