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Event: Sheffield Chess Centre U1750

Opponent Rating Result
David C Dunne 1427 1 - 0
John Gillett 1390 1 - 0
Wade Udin 1389 1 - 0
Ian Gaskin 1453 1 - 0
Essa Abakr 1750 0 - 1
Roger Greatorex 1743 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1725 = (9152 + 400 * (4 - 1)) / 6)

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