Event: Spring Tournament (Open)

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Opponent	Rating	Result
Harvey Grewal	1725	1 - 0
Simon Healeas	1848	1 - 0
Alastair G Johnstone	1606	0 - 0
Philip J Makepeace	2174	1 - 0
Leslie Pringle	1643	1 - 0
John M Quinn	2234	1 - 0
Nandinee Thatte	1583
Nishchal Thatte	2010

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

2325 = (9624 + 400 * (5 - 0)) / 5)