Event: League Division One

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Opponent	Rating	Result
Ben Strutt	1843	1 - 0
Zana Aziz	1806	1 - 0
Matthew Parsons	2135	½ - ½

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

2195 = (5784 + 400 * (2 - 0)) / 3)