Event: NCCA Norfolk & Suffolk Cup

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Opponent	Rating	Result
Olly Shaw	1300	1 - 0
David J Payne	1767	1 - 0
Andrew D Hartland	1804	0 - 1

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

1757 = (4871 + 400 * (2 - 1)) / 3)