Event: SCCA Division 1

Opponent Rating Result
Timothy Lunn 2103 1 - 0
Andrew P Lewis 2260 ½ - ½
Philip J Hutchings 1900 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

2221 = (6263 + 400 * (1 - 0)) / 3)

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