Event: DHCC 'Stars Barred' Internal Club Rapidplay

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Opponent	Rating	Result
Iwo Ciesielski	1425	0 - 1
James Reade	0	0 - 1
Eric McKenna	1355	0 - 1

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

527 = (2780 + 400 * (0 - 3)) / 3)