Event: Division 1

Opponent Rating Result
Chris R Beaumont 2176 1 - 0
David E Buckley 2262 ½ - ½
Matias P Candelario 2202 1 - 0
Robert Thompson 2189 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

2407 = (8829 + 400 * (2 - 0)) / 4)

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