Event: Minor

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Opponent Rating Result
Alan P Romeril 1623 0 - 1
Zoya Boozorginia 1327 1 - 0
David Battiscombe 1296 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1282 = (4246 + 400 * (1 - 2)) / 3)

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