Event: Frank Terrill Trophy

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Opponent	Rating	Result
Peter I Thompson	2015	1 - 0
Mark Bethel	1810	½ - ½
Mark A Drugan	1742	0 - 1

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

1856 = (5567 + 400 * (1 - 1)) / 3)