Event: Club Championship

Opponent Rating Result
Paul Richardson 1468 0 - 1
Peter J Combellack 1374 1 - 0
Dennis A White 1549 1 - 0
Keith D Marshall 1745 0 - 1
Ray Garside 1521 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1531 = (7657 + 400 * (2 - 2)) / 5)

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