Event: Summer League Division 1

Opponent Rating Result
Peter Ackley 2092 ½ - ½
Vasileios Pasialis 2018 1 - 0
Paul Fletcher 1988 ½ - ½
Thomas Hancock 1574 0 - 1
Henry Withington 158 0 - 1
Hubert Mossong 2061 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1515 = (9891 + 400 * (1 - 3)) / 6)

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