Event: Division 3

Opponent Rating Result
Robert H Willoughby 1634 1 - 0
Brian M Hayward 1692 ½ - ½
Richard Myers 1772 ½ - ½
Freddie Vesey 1752 0 - 1
Frank Richmond 1776 ½ - ½
Robert Mitchell 1775 1 - 0
Nigel Bowler 1674 ½ - ½
Peter W Gorecka-Marshall 1736 0 - 1
Michael Swanwick 1576 0 - 1
Robert H Willoughby 1634 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1622 = (17021 + 400 * (2 - 4)) / 10)

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