Event: DHCC 'Stars Barred' Internal Club Rapidplay

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Opponent	Rating	Result
David Watson	1760	0 - 1
Anay Patki	1315	1 - 0
Paul Davies	1190	0 - 1

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

1288 = (4265 + 400 * (1 - 2)) / 3)