Event: Div 2 - Weston Trophy

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Opponent	Rating	Result
Dylan Connolly	0	1 - 0
Paul Wheatley	1788	0 - 1
Arthur Eastham	1844	0 - 1

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

1077 = (3632 + 400 * (1 - 2)) / 3)