Event: City Chess Swiss 2019-20

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Opponent Rating Result
Paul Lickman 1480 ½ - ½
Adrian M Davies 0 0 - 1
Konstantinos Sakellariou 0 0 - 1
Nadim Choudhury 0 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

270 = (1480 + 400 * (1 - 2)) / 4)

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