Event: Division 2

Opponent Rating Result
David Spearman 2097 0 - 1
Wenxiang Li 2114 0 - 1
Colin W Menzies 2200 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

2004 = (6411 + 400 * (1 - 2)) / 3)

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