Event: Division 3

Opponent Rating Result
Jack Giltrap 1381 1 - 0
Mauro Farina 1630 0 - 1
Daniel Parcell 0 ½ - ½
Benjamin McGurrell 1645 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1064 = (4656 + 400 * (1 - 2)) / 4)

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