Event: 6600 max Rapid-play

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Opponent Rating Result
Ionut Florin Valea 1647 0 - 1
Sam A Fowkes 1509 0 - 1
Ionut Florin Valea 1647 ½ - ½
Sam A Fowkes 1509 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1478 = (6312 + 400 * (1 - 2)) / 4)

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