Event: Group A

Opponent Rating Result
Steve Westmoreland 0 0 - 1
Adam Smith 0 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-400 = (0 + 400 * (0 - 2)) / 2)

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Opponent Rating Result
Dave Gray 0 0 - 1
Christopher Marsden 0 ½ - ½
Kevin Bairstow 0 0 - 1
Kevin Bairstow 0 0 - 1
Hamidreza Faham 0 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-240 = (0 + 400 * (0 - 3)) / 5)