Event: Fast Friday Rapid

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Opponent Rating Result
Damon Williams 1319 ½ - ½
Damon Williams 1319 1 - 0
Kenneth J McNulty 1591 0 - 1
Kenneth J McNulty 1591 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1355 = (5820 + 400 * (1 - 2)) / 4)

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