Event: Wahltuch

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Opponent Rating Result
Adam Scoular 1905 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1505 = (1905 + 400 * (0 - 1)) / 1)

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Opponent Rating Result
Vijay Kumar 1619 1 - 0
Damien McElvenny 1828 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1724 = (3447 + 400 * (1 - 1)) / 2)