Event: Division 2

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Opponent	Rating	Result
Petru Floresc	156	0 - 1
Stephen J Emmerton	127	1 - 0
Anthony RW Brough	133	½ - ½
Simon Layhe	134	½ - ½
Sandra G Blackburn	112	½ - ½
Jake Darlington	100	1 - 0
Nicholas PA Wright	112	½ - ½
Sandra G Blackburn	112	½ - ½

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

173 = (986 + 400 * (2 - 1)) / 8)