Event: Three East

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Opponent Rating Result
Neville H Twitchell 1923 ½ - ½
Adegbenga Amusa 1818 1 - 0
Alistair T Morton 1615 ½ - ½
Brendan O'Gorman 1843 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1800 = (7199 + 400 * (1 - 1)) / 4)

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