Event: WMA Spring League Division 1

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Opponent	Rating	Result
Geoffrey Marchant	2034	½ - ½
Jaspar Goodall	1695	1 - 0
Kevin Hurney	1975	0 - 1
Bogdan Lalic	2575	0 - 1
Geoffrey Marchant	2034	1 - 0
Jaspar Goodall	1695	1 - 0
Kevin Hurney	1975	0 - 1
Bogdan Lalic	2575	0 - 1

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

2020 = (16558 + 400 * (3 - 4)) / 8)