Event: Wahltuch

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Opponent Rating Result
Gareth NR Griffiths 1774 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1374 = (1774 + 400 * (0 - 1)) / 1)

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Opponent Rating Result
Armand Catz 1832 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

2232 = (1832 + 400 * (1 - 0)) / 1)