Chess Arbiter

Learn FIDE LAWS of CHESS, find out about the system for calculating additional indicators, about the tournament draw system, the rules for calculating the Elo rating and the presentation of FIDE titles.
Create your tournament history with ranking statistics.

RATINGS:
-Elo Rating,
-The Tournament Rating (Performance)
-Chess Titles

ADDITIONAL INDICATORS
-Armageddon
-Buchholz system
-Zonneborn-Berger
-Progress
-Tie-break
-Other

TOURNAMENT SYSTEMS
-Round robin
-Knockout system
-Match
-The Scheveningen system
-Swiss system

CREATE YOUR TOURNAMENT HISTORY
-Tournament name
-Rating change

Or calculate rating for one game