sounds interesting
I would like to talk about my chess tournament to raise funds for the International Red Cross.
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9 days ago
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#3
Thanks. Check out the website and participate by joining my club, 4teamchess International and you are automatically qualified for the free version.
It is in beta, but I want to explain how it works:
Creating a Side Action Event with PPM
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.
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.
Team Formation in the Event
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 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.
How PPM is Calculated for 4teamchess Competition
The Player Performance Measurement (PPM) is a critical metric for evaluating a player's performance during a tournament. 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.
Example
Starting Elo: Average of the first 7 matches = 803.125647
Final Match Elo: 812
New Elo: ((803.125647 + 812) ÷ 7) = 807.562823
PPM: 807.562823 - 803.125647 = 4.439276
This PPM value of 4.439276 will be added to the team’s total PPM.
Note: We keep 6 decimal places to avoid ties! A positive PPM is good, indicating improvement.
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.