Event: Swiss (5+4) Blitz 1

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Opponent	Rating	Result
David Smith	0	1 - 0
Jay Sharman	0	1 - 0
Michael GA Wilson	0	1 - 0
David A Sands	0	0 - 1
David Spearman	0	0 - 1

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

80 = (0 + 400 * (3 - 2)) / 5)