Event: Dudley Townshend Trophy

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Opponent Rating Result
Phil Dyson 1302 1 - 0
John Lunn 1596 ½ - ½
David M Cotterell 1622 0 - 1
Luke Lambert 1456 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1494 = (5976 + 400 * (1 - 1)) / 4)

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