Event: Plummer Trophy

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Opponent	Rating	Result
Anthony Stanton	1710	0 - 1
Paul R Selby	1756	0 - 1
Robert W Counsell	1758	0 - 1

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

1341 = (5224 + 400 * (0 - 3)) / 3)