Event: Plummer Trophy

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Opponent	Rating	Result
Chris Lake	1818	½ - ½
Paul R Selby	1756	½ - ½
Robert W Counsell	1758	0 - 1

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

1644 = (5332 + 400 * (0 - 1)) / 3)