Event: Church Street Cup

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Opponent Rating Result
Michael Adderley 1765 1 - 0
David Kelly 1471 0 - 1
Bernard Price 1875 0 - 1
Oliver Brightey 1459 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1443 = (6570 + 400 * (1 - 3)) / 4)

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