Event: Hillingdon Div 1

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Opponent	Rating	Result
Andrew Harley	2186	½ - ½
Leon HJ Fincham	1897	0 - 1
Nevil Chan	1968	0 - 1
Roshan Gurjar	1729	½ - ½
Russell Campbell	1855	½ - ½
Rishi Patel	2011	0 - 1
Austin Ivan	1773	1 - 0
Jason Obihara	1765	1 - 0

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

1848 = (15184 + 400 * (2 - 3)) / 8)