Event: Dudley Townshend Trophy

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Opponent Rating Result
Timon Vorberg 1100 ½ - ½
Matt Smith 1487 ½ - ½
George Mitchell 1505 1 - 0
John Lunn 1555 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1612 = (5647 + 400 * (2 - 0)) / 4)

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