"Great chemistry" refers to a strong connection or compatibility between people, where they understand each other well and work together harmoniously. Full definition
Is it the things in a game that will help him, or is it just he's good at running tempo and has great chemistry with his receivers and all that? (sbnation.com)
Getting to know each other's differences is what makes dating so exciting and is ultimately what can create great chemistry between two people. (uk.match.com)
They have great chemistry together when they get to work the missions. (paulstriptothemovies.com)