Event: West of England Counties Online Championship

Opponent Rating Result
Peter D Dimond 1200 1 - 0
Paul DJ Hampton 2031 0 - 1
Adrian N Walker 1735 1 - 0
Amanda Jones 1200 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1742 = (6166 + 400 * (3 - 1)) / 4)

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