The Regional Chief Judges (Gabriel Foust, Michael Goldwasser, and Andy Harrington) rank the problems roughly as follows, with the author's name in parentheses:

Easy

Refrigerator Magnets (Gabriel)
Pizza Pricing (Michael)

Moderate

Grade School Multiplication (Andy)

Medium

Crash and Go(relians) (Gabriel)
Sokoban (Michael)

Hard

Su-domino-ku (Michael)

Shut The Box (Michael)

Very Hard

Laser Tag (Andy)

We need your help spreading out the work next year! Please submit a problem or volunteer to be a chief judge!