Event: Division 6

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Opponent	Rating	Result
Doug May	1180	½ - ½
Ezekiel Ysrael	1366	1 - 0
Michael Connor	0	1 - 0

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

1115 = (2546 + 400 * (2 - 0)) / 3)