Event: Division Cup A

Opponent Rating Result
David J Kearney 1810 ½ - ½
Ed H Goodwin 1848 1 - 0
Simon Weaver 1473 1 - 0
Mike P Maher 1705 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1909 = (6836 + 400 * (2 - 0)) / 4)

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Opponent Rating Result
Roy G Watson 1549 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1149 = (1549 + 400 * (0 - 1)) / 1)