Event: E Division

Opponent Rating Result
Mahin Rughani 1386 1 - 0
David Kilmartin 1449 ½ - ½
Grieg Ichim 1307 1 - 0
(John) Jack Donegan 1310 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1663 = (5452 + 400 * (3 - 0)) / 4)

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