I'm excited to share that I'm using the Elo ratings and my Progressive Performance Metric (PPM) formula to create a side-action event within the chess community. This special event will see players competing against each other and earning or losing points based on my PPM formula. The formula is designed to calculate the difference in ratings and performance across a series of matches. It's a new way to evaluate and track player progress.
In essence, this side action event offers a distinctive twist to the usual chess tournaments. It presents an alternative or supplementary competitive experience compared to the traditional format. Players will engage in matches with the added layer of the PPM formula, which introduces a fresh approach to measuring performance beyond the typical Elo ratings. This infusion of variety and strategy will set this chess event apart from standard tournaments.
Teams for this event are formed based on players' individual ratings and performances. As players register for the side action event, they will be assigned to teams using a balanced approach. The goal is to create teams with comparable average ratings, ensuring fair competition and an exciting experience for all participants. The PPM formula will continue to play a role, as team performance will also factor into the overall calculation, adding an intriguing dynamic to the team-based competition.
The Player Performance Measurement (PPM) is a critical metric for evaluating a player's performance during a tournament. When the competition is run, the PPM is determined by retrieving from Chess.com the first 7 Elo ratings from the last 8 matches. The first 7 Elos are added and divided by 7, forming the Starting Elo.
The last match's Elo is added to the Starting Elo, and the sum is divided by 7. This result is the New Elo. The PPM is then calculated by subtracting the Starting Elo from the New Elo. The player’s PPM is added to the team’s total PPM. The team’s total PPM is then compared to other teams to determine the winners.
Note: We keep 6 decimal places to avoid ties! A positive PPM is good, indicating improvement.
The individual PPM of each player is added to the team’s total PPM. The team’s performance is then evaluated based on the sum of the individual PPMs of all team members.
This updated Elo will be used as the player's Starting Elo in the next tournament. It’s important to note that this system is not endorsed by Chess.com or any other official chess organization. While the initial Elo comes from Chess.com, after the first round, 4teamchess recalculates and updates Elo after every competition.