Event: Division 1

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Opponent	Rating	Result
John P Williams	0	0 - 1
Chris Doran	2029	0 - 1
Titas Vdovycia	1829	1 - 0

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

1153 = (3858 + 400 * (1 - 2)) / 3)