Event: Graded LP Friendlies

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Opponent Rating Result
Neville Layhe 1652 1 - 0
Andrew Crosby 1516 1 - 0
George P Jelliss 1319 0 - 1
Steve Ballantyne 1363 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1663 = (5850 + 400 * (3 - 1)) / 4)

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