Event: Millar Cup

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Opponent	Rating	Result
James Cole	1689	0 - 1
Jasper Jeffs	1751	½ - ½
Martin J Cutmore	1977	0 - 1

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

1539 = (5417 + 400 * (0 - 2)) / 3)