Event: League Division 2

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Opponent	Rating	Result
Frank T Sheldrick	1715	1 - 0
Paul A Johnson	1903	1 - 0
Stuart Fortey	0	1 - 0

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

1606 = (3618 + 400 * (3 - 0)) / 3)