Event: Division 1

Opponent Rating Result
Andrew M Gregory 1854 ½ - ½
Graham R Iwi 1995 0 - 1
Steven Riley 2052 0 - 1
Tommy Wilkins 1691 0 - 1
Tommy Wilkins 1722 ½ - ½
Nigel K Hosken 2079 0 - 1
Peter Marks 1734 ½ - ½
Kandara Acharya 1850 ½ - ½
Peter E Chaplin 2010 ½ - ½
Ulugbek Nozimov 1720 1 - 0
David O Collier 1953 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1733 = (20660 + 400 * (1 - 5)) / 11)

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