Event: Team Quickplay

Opponent Rating Result
John L Clarke 1448 0 - 1
George E Hollands 1976 0 - 1
John Dickie 1375 0 - 1
Daniel Watkins 1165 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1291 = (5964 + 400 * (1 - 3)) / 4)

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