Event: D&DCL Div 4

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Opponent	Rating	Result
R Arthur Hall	110	½ - ½
Shah Hussain	127	1 - 0
Joe Willgoose	2048	1 - 0

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

1028 = (2285 + 400 * (2 - 0)) / 3)