Event: Division 1

Opponent Rating Result
Rajeev P Raghavan 1880 0 - 1
Andrew Smith 2116 0 - 1
Peter M Collins 1728 ½ - ½
Roy A Lawrence 1868 1 - 0
Manpreet Sangha 1993 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1757 = (9585 + 400 * (1 - 3)) / 5)

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