Event: Hepolite (Rapidplay)

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Opponent	Rating	Result
Patrick Jagger	0	1 - 0
Patrick Jagger	0	1 - 0
Peter Shaw	2211	0 - 1
Peter Shaw	2211	0 - 1
Paul G Day	1660	1 - 0
Paul G Day	1660	1 - 0
Pete Redmond	1808	1 - 0
Pete Redmond	1808	1 - 0
David Barlow	1948	1 - 0
David Barlow	1948	0 - 1

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

1685 = (15254 + 400 * (7 - 3)) / 10)