Event: 5800 max Rapid-play

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Opponent Rating Result
Karl L Chan 1496 1 - 0
David Smith 1803 0 - 1
Karl L Chan 1496 1 - 0
David Smith 1803 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1750 = (6598 + 400 * (2 - 1)) / 4)

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