Event: C Division

Opponent Rating Result
David Stuttard 1801 ½ - ½
Dave S Almond 1756 ½ - ½
Peter H Taylor 1598 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1852 = (5155 + 400 * (1 - 0)) / 3)

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