Event: Iceni Live 6 Challengers

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Opponent	Rating	Result
Simon Yates	0	1 - 0
Gerry Clayton	1520	½ - ½
Mike Anderson	1528	0 - 1

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

1016 = (3048 + 400 * (1 - 1)) / 3)