Event: 6600-max Rapid-play

Opponent Rating Result
Jon Turner 1790 0 - 1
Nigel S Towers 1817 ½ - ½
Jon Turner 1790 1 - 0
Nigel S Towers 1817 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1804 = (7214 + 400 * (1 - 1)) / 4)

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