Event: Ladder

Opponent Rating Result
Robert Heyman 1547 0 - 1
Thomas Beckwith 1839 0 - 1
Steve Armstrong 1377 0 - 1
Thomas Cameron 1538 0 - 1
Steve Armstrong 1431 1 - 0
Thomas Cameron 1550 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1280 = (9282 + 400 * (1 - 5)) / 6)

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