Event: 5800 max Rapid-play

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Opponent Rating Result
Karl L Chan 1496 0 - 1
Donald Billows 1461 1 - 0
Karl L Chan 1496 ½ - ½
Donald Billows 1461 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1579 = (5914 + 400 * (2 - 1)) / 4)

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