Event: South Cheshire Shield

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Opponent Rating Result
Momin Khan 1200 1 - 0
Philip Grocott 1360 1 - 0
Lee Spackman 1100 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1620 = (3660 + 400 * (3 - 0)) / 3)

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