Event: Pre-Season Swiss

Opponent Rating Result
Joseph P Alcock 1543 1 - 0
David A Hallen 1477 1 - 0
Roger J Edwards 1649 1 - 0
William G Armstrong 1708 1 - 0
Roger W Walker 1655 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

2006 = (8032 + 400 * (5 - 0)) / 5)

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