Event: Wahltuch

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Opponent Rating Result
Richard Nurse 1755 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

2155 = (1755 + 400 * (1 - 0)) / 1)

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Opponent Rating Result
Brian A Parkin 1454 1 - 0
Christopher Hodgson 1736 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1995 = (3190 + 400 * (2 - 0)) / 2)