Event: City Chess Swiss 2017-18

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Opponent	Rating	Result
Fraser A Lees	0	½ - ½
Steven JF Walsh	0	½ - ½
Peter A Burgoyne	0	1 - 0
Sandesh Tathare	0	0 - 1
Julien M Shepley	0	0 - 1
Nasarullah Sheikh	0	½ - ½
Charles L Proctor	0	1 - 0

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

0 = (0 + 400 * (2 - 2)) / 7)