Event: Division 1

Opponent Rating Result
Feliks J Kwiatkowski 2222 ½ - ½
Rasa Norinkeviciute 2034 1 - 0
Mark Broom 2138 1 - 0
Jon AN Lawrance 1881 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

2269 = (8275 + 400 * (2 - 0)) / 4)

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