Event: Division C

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Opponent	Rating	Result
Mark D McWilliams	1476	0 - 1
Ray Chu	1445	1 - 0
Lakis Dometakis	1404	1 - 0

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

1575 = (4325 + 400 * (2 - 1)) / 3)