Event: NSDCA Division 4

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Opponent Rating Result
Michael Keenan 1326 ½ - ½
Benjamin Juan 897 0 - 1
Neil Hankey 1165 ½ - ½
Mark Hughes 1250 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

960 = (4638 + 400 * (0 - 2)) / 4)

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