Event: Hillingdon Div 2

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Opponent	Rating	Result
Ramin Tawab	1985	0 - 1
Mark Connor	1410	½ - ½
Phil S Humphry	1255	0 - 1

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

1283 = (4650 + 400 * (0 - 2)) / 3)