Event: 6600-max Rapid-play

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Opponent Rating Result
Nigel S Towers 1817 1 - 0
Peter W Lawrence 1585 ½ - ½
Steve A Edwards 1613 0 - 1
Nigel S Towers 1817 0 - 1
Peter W Lawrence 1585 0 - 1
Steve A Edwards 1613 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1472 = (10030 + 400 * (1 - 4)) / 6)

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