Event: Croydon Shield

Opponent Rating Result
Jean-Baptiste Jugand 2074 ½ - ½
Mehmet Ali 1979 ½ - ½
Robin W Haldane 2089 1 - 0
Graham DJ Keane 2179 ½ - ½
Paul J O'Donovan 0 ½ - ½
Kenroy Smith 1792 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1752 = (10113 + 400 * (1 - 0)) / 6)

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