Event: 5800 max Rapid-play

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Opponent Rating Result
Mike Warden 1585 ½ - ½
Andrew S Whitten 1664 1 - 0
Mike Warden 1585 0 - 1
Andrew S Whitten 1664 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1525 = (6498 + 400 * (1 - 2)) / 4)

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