Event: Division 2

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Opponent Rating Result
Clive Bellinger 1660 0 - 1
Robert Petrovai 1726 0 - 1
Igor Gaponov 1900 0 - 1
Andrew P Willoughby 1752 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1360 = (7038 + 400 * (0 - 4)) / 4)

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Opponent Rating Result
Keith B Cook 1636 0 - 1
Robert Petrovai 1663 0 - 1
John A Duff-Cole 1394 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1431 = (4693 + 400 * (1 - 2)) / 3)