Event: Five Counties Div 1

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Opponent	Rating	Result
Senthilnathan Yogit	0	0 - 1
Shahjahon Saidmurodov	0	1 - 0
Ragarirai Ernest Karumazondo	0	½ - ½
Steven AM Foister	0	½ - ½
Brian G Whyte	0	0 - 1
Jeremy N Fraser-Mitchell	0	1 - 0
Martin Durrant	0	0 - 1

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

-57 = (0 + 400 * (2 - 3)) / 7)