Event: 7400 max Rapid-play

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Opponent Rating Result
Okwose Marc Obi 1917 0 - 1
Stephen Gaskell 1660 0 - 1
Okwose Marc Obi 1917 0 - 1
Stephen Gaskell 1660 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1489 = (7154 + 400 * (0 - 3)) / 4)

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