Event: Swiss (7 + 2) Blitz 2

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Opponent	Rating	Result
David Spearman	0	0 - 1
Michael GA Wilson	0	0 - 1
Peter R Toogood	0	1 - 0
Karam S Balaggan	0	0 - 1
Jay Sharman	0	0 - 1

performance = (sum(opponents ratings) + 400(wins-losses)) / games

-240 = (0 + 400 * (1 - 4)) / 5)