Event: Iceni Live Classic 5 Challengers

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Opponent	Rating	Result
Rob Davies	1285	1 - 0
Graham R Jones	1411	½ - ½
Anthony TT Chan	1522	0 - 1

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

1406 = (4218 + 400 * (1 - 1)) / 3)