Event: John Newsome Cup: 1200 to 1500

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Opponent	Rating	Result
Rory Neil	1204	1 - 0
Edward James	1497	½ - ½
Edgar George	1505	1 - 0

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

1669 = (4206 + 400 * (2 - 0)) / 3)