Event: SCCA Division 3

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Opponent Rating Result
Mark Webb 1400 0 - 1
Tia Martin 1045 1 - 0
Adrian Sanderson 1540 ½ - ½
Philip J Chapman 1263 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1312 = (5248 + 400 * (1 - 1)) / 4)

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