Event: Division 3

Opponent Rating Result
Greg Edwards 1873 ½ - ½
James Fox 1808 0 - 1
Tim Valentine 1681 1 - 0
Noel M Stewart 1662 1 - 0
Elliott CM Macneil 1948 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1874 = (8972 + 400 * (2 - 1)) / 5)

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