Event: SCCA Division 2

Opponent Rating Result
Judith Heffer 1728 1 - 0
David P Green 1645 1 - 0
Richard Caves 1050 1 - 0
Andrew Last 1450 1 - 0
Simon Wilks 1800 0 - 1
David E Brown 1824 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1716 = (9497 + 400 * (4 - 2)) / 6)

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