Event: Autumn League

Opponent Rating Result
Colin Cheek 1669 ½ - ½
Kevin N Bendall 1607 0 - 1
Ian Webster 1439 ½ - ½
Graham K Brown 1770 0 - 1
Paul E Barks 1473 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1512 = (7958 + 400 * (1 - 2)) / 5)

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