What does ELO mean?
The Elo rating system is a method for calculating the relative skill levels of players in
zero-sum games such as chess. It is named after its creator Arpad Elo, a Hungarian-American physics
professor.
Amateurs:
<1200 = Do you know the rules?
1200-1399 = Beginner
1400-1599 = Average
1600-1799 = Above average
1800-1999 = Strong player
Professionals:
2000-2199 = Candidate Master (CM)
2200-2399 = FIDE Master (FM)
2400-2499 = International Master (IM)
2500+ = Grandmaster (GM)