Event: Division 1

Opponent Rating Result
Nigel E Povah 2250 1 - 0
Volodymyr Mylovanov 1900 ½ - ½
Alex M Warren 2046 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

2199 = (6196 + 400 * (1 - 0)) / 3)

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