Event: Lowestoft Championship

Opponent Rating Result
Barry Connor 1645 ½ - ½
James E Payne 1628 1 - 0
David J Twitchell 1919 0 - 1
Chris Flynn 1609 0 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1731 = (5192 + 400 * (1 - 1)) / 3)

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