Event: Ross Cup

Opponent Rating Result
Shaun Moody 65 1 - 0
Steve Donoghue 81 0 - 1
N Charles Clayton 99 1 - 0
Phil Shaw 1225 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

368 = (1470 + 400 * (2 - 2)) / 4)

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