Event: Division 2

Opponent Rating Result
Steve Holtz 93 1 - 0
Alex Hope 125 0 - 1
Michael Gallagher 95 1 - 0
Simon Gathern 0 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

278 = (313 + 400 * (3 - 1)) / 4)

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