Event: League Division 3

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Opponent Rating Result
Ian D Strickland 1613 0 - 1
Thomas Parr 0 0 - 1
Philip May 1284 0 - 1
Alex Forster 1387 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

671 = (4284 + 400 * (0 - 4)) / 4)

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