Event: A&B Division

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Opponent Rating Result
Gary Leighton 1505 0 - 1
Jonathan Sams 1835 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1270 = (3340 + 400 * (0 - 2)) / 2)

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Opponent Rating Result
Jonathan Sams 1835 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1435 = (1835 + 400 * (0 - 1)) / 1)