Event: Three East

Opponent Rating Result
Brendan O'Gorman 1869 ½ - ½
Ronan Kelly 1660 0 - 1
Robert Parsons 1743 0 - 1
Adem Tunay Saka 1500 ½ - ½
Gordon M Broadbent 1420 1 - 0
David Lambert 1570 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1627 = (9762 + 400 * (2 - 2)) / 6)

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