Event: Division Four

Opponent Rating Result
David Smith 1801 0 - 1
David H Watkin 1473 ½ - ½
Chris East 1568 ½ - ½
Oliver Green 1656 1 - 0
Kim T Gilbert 1581 ½ - ½
Steve Alcock 1513 0 - 1
Sathya Vaidyanathan 1516 1 - 0
Chris W Pitt 1627 0 - 1
Richard F Collett 1401 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1571 = (14136 + 400 * (3 - 3)) / 9)

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