Event: Div 3 - Batley-Meek Memorial Trophy

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Opponent	Rating	Result
Geoffrey D Brown	1838	0 - 1
Marek Gajdosz	1972	0 - 1
Peter Cooper	1629	½ - ½
Jamie Woodhouse	1610	1 - 0
John A Clark	1771	1 - 0
Steve J Gibbs	1749	½ - ½
Jamie Woodhouse	1610	1 - 0

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

1797 = (12179 + 400 * (3 - 2)) / 7)