One simple rule fixes your finesse chip-never swing less than 70%. You see what that does. It's how the game tries to replicate what you would actually do IRL in that situation. You wouldn't take a full swing, nor would you baby it-you just know how hard to swing from experience. Same here. Also, the first bounce from a chip should be on the green.
The Chip and Pitch Tips under the FAQs will help a lot. GL