Event: 7400 max Rapid-play

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Opponent Rating Result
Marek J Soszynski 1858 0 - 1
Marek J Soszynski 1858 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1458 = (3716 + 400 * (0 - 2)) / 2)

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