Event: Richardson Cup

Opponent Rating Result
James Alex Brown 1527 1 - 0
Deepak M Pradeep Kumar 0 1 - 0
Phill J Beckett 1725 ½ - ½
Andrew Hards 1888 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1385 = (5140 + 400 * (2 - 1)) / 4)

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