Event: SCCA Division 2

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Opponent	Rating	Result
Sam Kerruish	1400	½ - ½
David P Green	1645	1 - 0
Robert L Jones	0	1 - 0

performance = (sum(opponents ratings) + 400(wins-losses)) / games

1282 = (3045 + 400 * (2 - 0)) / 3)