Event: Division 3

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Opponent	Rating	Result
John E Parr	1468	1 - 0
Simon Johnson	1834	0 - 1
Wilbur Summerson	1297	0 - 1

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

1400 = (4599 + 400 * (1 - 2)) / 3)