Event: Wahltuch

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Opponent Rating Result
Michael Tebelev 1921 ½ - ½
Peter J Kobryn 1960 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1741 = (3881 + 400 * (0 - 1)) / 2)

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Opponent Rating Result
Shulin Walia 1750 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

2150 = (1750 + 400 * (1 - 0)) / 1)