Event: MCA Division 1

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Opponent Rating Result
Arda Ulku 0 0 - 1
Derek Rooney 1707 0 - 1
Dave W Leeming 1743 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

750 = (3450 + 400 * (0 - 3)) / 3)

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