Event: Dolan Trophy

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Opponent	Rating	Result
Fred Biles	1398	½ - ½
Fred Biles	1398	1 - 0
Stephen Smithson	1323	0 - 1

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

1373 = (4119 + 400 * (1 - 1)) / 3)