Event: Winter Online

Opponent Rating Result
Anthony J Lane 1813 0 - 1
Anthony J Lane 1813 0 - 1
Jonathan Miller 1498 ½ - ½
Jonathan Miller 1498 0 - 1
Keith Hodgson 1308 0 - 1
Keith Hodgson 1308 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1340 = (9238 + 400 * (1 - 4)) / 6)

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