Event: Kenneth Appleby (U1700)

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Opponent	Rating	Result
John Grasham	1604	0 - 1
Phil Higgins	1288	1 - 0
Liam Knox	1515	1 - 0
Samuel Rathjen	0	1 - 0
Neil Calderbank	0	0 - 1

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

961 = (4407 + 400 * (3 - 2)) / 5)