Event: December APA (5|2)

Opponent Rating Result
Peter WL Clough 1727 ½ - ½
Edward Hackford 1536 1 - 0
Jacob Mulligan 1316 1 - 0
David P Jones 1316 1 - 0
Tony R Larner 1510 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1801 = (7405 + 400 * (4 - 0)) / 5)

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