Event: SCCA Division 1

Opponent Rating Result
Stephen Lewis 1953 0 - 1
Peter A Gemmell 2035 0 - 1
Mark A Pulman 1623 ½ - ½
Piotr Dolewka 1520 0 - 1
Angus Irving 1750 1 - 0
Philip J Hutchings 1915 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1733 = (10796 + 400 * (2 - 3)) / 6)

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