Event: OTB Club Championship

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Opponent	Rating	Result
Ivan Hutcheson	1489	1 - 0
Jay Sharman	1611	1 - 0
Mark RA Murrell	1856	0 - 1
Tu Senan	1475	1 - 0
John Cawdery	2000	0 - 1

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

1766 = (8431 + 400 * (3 - 2)) / 5)