Event: Minor League

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Opponent	Rating	Result
David C Hurst	1338	1 - 0
Simeon Gibbons	1200	½ - ½
Andrew Offord	1608	0 - 1

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

1382 = (4146 + 400 * (1 - 1)) / 3)