Event: Division Two

Opponent Rating Result
Derek Ellesmore 1758 1 - 0
Mark A Drugan 1742 ½ - ½
Pauline Woodward 1252 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1851 = (4752 + 400 * (2 - 0)) / 3)

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