Event: Division 2

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Opponent Rating Result
Peter Crosby 1518 0 - 1
Ian K Edgson 1767 ½ - ½
Cameron Storey 0 0 - 1
Steve Merchant 1677 0 - 1
Ian Goodyer 1606 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

994 = (6568 + 400 * (0 - 4)) / 5)

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