Event: Deric Cox Trophy

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Opponent	Rating	Result
Les Denford	1224	1 - 0
Aahna Kilambi	1007	0 - 1
Brian Brass	1299	½ - ½

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

1177 = (3530 + 400 * (1 - 1)) / 3)