Event: Division 3

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Opponent	Rating	Result
David Carter	1510	1 - 0
Lynne Fursman	1620	0 - 1
Dave R Wingrove	1397	0 - 1

performance = (sum(opponents ratings) + 400(wins-losses)) / games

1376 = (4527 + 400 * (1 - 2)) / 3)