Event: Haslemere Trophy

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Opponent Rating Result
Matthew Bagley 1552 1 - 0
Matthew Bagley 1552 1 - 0
Hywel Burke 1432 0 - 1
Hywel Burke 1432 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1692 = (5968 + 400 * (3 - 1)) / 4)

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