Event: John Newsome Cup: 1200 to 1500

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Opponent	Rating	Result
michael Jones	1565	1 - 0
Garry Kitchin	1346	1 - 0
James Walker	1514	1 - 0

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

1875 = (4425 + 400 * (3 - 0)) / 3)