Event: Margate 100

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Opponent	Rating	Result
Clive J Le Baigue	113	0 - 1
Zeno Burns	45	0 - 1
Roy J McAloney	87	0 - 1

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

-318 = (245 + 400 * (0 - 3)) / 3)