Event: Division 2

Opponent Rating Result
Tim Gluckman 1945 0 - 1
Paul R Barclay 1804 ½ - ½
Ryan Bourque 0 1 - 0
M Mohammed Ashraf Hossain 1748 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1374 = (5497 + 400 * (1 - 1)) / 4)

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