Event: Five Counties Div 1

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Opponent	Rating	Result
Senthilnathan Yogit	2166	0 - 1
Derek P McGovern	1840	½ - ½
Philip AM Zabrocki	2012	½ - ½
Shahjahon Saidmurodov	2068	1 - 0
Steven AM Foister	2078	0 - 1
Tariq Khan	1892	1 - 0

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

2009 = (12056 + 400 * (2 - 2)) / 6)