Event: Broadland Rapidplay cup

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Opponent	Rating	Result
Damian Knott	986	1 - 0
Senthil Murugan Palaneappan	1847	0 - 1
Heather Enid Walker	1182	1 - 0
Jeff R Dawson	1955	0 - 1
Michael John Sturman	1618	1 - 0
Ken Farquhar	1730	0 - 1

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

1553 = (9318 + 400 * (3 - 3)) / 6)