Event: SCL Div 1

Opponent Rating Result
Roland Bezuidenhout 2374 0 - 1
Richard Thorburn 1841 0 - 1
Colin B Knight 1734 1 - 0
Helen Archer-Lock 1665 1 - 0
Richard Thurstans 1692 1 - 0
Simon Terleckis 1724 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1972 = (11030 + 400 * (4 - 2)) / 6)

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