Event: A Division

Opponent Rating Result
Adam Scoular 1937 1 - 0
Lee P Kay 2014 ½ - ½
Kelechukwu Nkwonta 1953 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

2101 = (5904 + 400 * (1 - 0)) / 3)

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