This is an online contest, and the top 30 people will be awarded prizes. The prize for the first place is $2000.
Please check the official site for details.
You will be asked to fill a questionnaire when you register, so please register at least several minutes before the contest.
UPD: Point values are 900(500) — 1300(300) — 1300 — 1800. The full scores correspond to C, D, E, F in AGC, and partial scores correspond to B, A.