Event: Wahltuch

Opponent Rating Result
Peter Horwell 1612 1 - 0
Chagdarsuran Batbileg 1625 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

2019 = (3237 + 400 * (2 - 0)) / 2)

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Opponent Rating Result
Richard J White 1650 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1650 = (1650 + 400 * (0 - 0)) / 1)