Event: Division 1

Opponent Rating Result
Mircea-Marius Mesesan 2009 0 - 1
Tony Preece 1869 ½ - ½
Anthony J Green 1887 ½ - ½
William Hulley 1736 ½ - ½
Tony Preece 1869 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1714 = (9370 + 400 * (0 - 2)) / 5)

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