Event: Division 4 - Athenaeum Cup

Opponent Rating Result
Mick Wombell 0 0 - 1
Sam Humphrey 0 1 - 0
Michael W Simmons 78 0 - 1
Mick O'Hanlon 0 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

20 = (78 + 400 * (2 - 2)) / 4)

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