BSWG kickoff meeting notes: Global Player Points and Form Guide

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Christine Denny

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Nov 4, 2020, 11:20:51 PM11/4/20
to Global Player Points subGroup

Posting on behalf of moderator Susie Cordell:

Attendees for this session:

 Tim Anderson, EBU

Chris Champion, Power Ratings

Stefan Skorchev, Bridge Cloud

Susie Cordell, ACBL


Key points from this meeting:


  • Points (Global and/or Masterpoints® are different from Grading
    • Points are rewards and incentives – and have a commercial function
    • Grading (Strength of Field) attempts to help assess performance for stratification, handicapping games and ensuring that players are playing against like level players
  • EBU currently has two systems
    • Masterpoints
    • National grading system
  • ACBL has Masterpoints®
    • Leverage Chris Champion’s Power Ratings
    • Other systems are being created by others to compete with that
  • Both Tim & Chris showed and shared the systems being utilized for rankings
    • Tim expressed concern that there is inherent issues with the grading schema’s because they are not accurate if compared with people who never play agains each other
    • Both agreed that it is a mistake to ADD grading system to the ranking system
      • Mathematics are difficult for cross pollination.
      • Skewed results if players are not close to each other
  • Next steps:
    • Find someone to collate all the systems currently being used across the world for both pointing and for rankings
    • Have subsequent meetings to discuss
    • Get more games (on-line) into systems to evaluate viability, risks, issues
    • Look outside of Bridge for rankings systems to ensure that there is objectivity in how built
  • Risks
    • Collaboration
    • Privacy
    • Fairness
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