Event: B&DCL Div 4

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Opponent	Rating	Result
Julian Schofield	1650	0 - 1
Damon Guirdham	1664	1 - 0
Simon Young	1655	½ - ½
Manuela M S Alves	1450	1 - 0
Tony Sanderson	1591	0 - 1
Ken Dixon	1477	½ - ½
Chris Spence	1468	½ - ½
Isaac Carrasco Martin	1400	0 - 1

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

1494 = (12355 + 400 * (2 - 3)) / 8)