Event: Plummer Trophy

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Opponent	Rating	Result
Robert W Counsell	1758	0 - 1
Simon Wrigley	0	½ - ½
Paul R Selby	1756	1 - 0

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

1171 = (3514 + 400 * (1 - 1)) / 3)