Event: Kenneth Appleby (U1700)

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Opponent	Rating	Result
John Grasham	1631	0 - 1
Brian Ward	0	½ - ½
John Hipshon	1670	0 - 1

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

834 = (3301 + 400 * (0 - 2)) / 3)