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Event: National Challenge

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Opponent Rating Result
Ashwath Kumar Kota 0 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-400 = (0 + 400 * (0 - 1)) / 1)

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Opponent Rating Result
Graeme Campbell 0 0 - 1
Markos Mouratidis 44 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-178 = (44 + 400 * (0 - 1)) / 2)