Event: John Newsome Cup: 1200 to 1500

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Opponent Rating Result
Jacob A Westmoreland 1455 0 - 1
David Firth 1433 0 - 1
Joseph Kitchin 1288 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1259 = (4176 + 400 * (1 - 2)) / 3)

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