Event: OTB Club Championship

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Opponent	Rating	Result
David J Rawlings	1680	½ - ½
Nigel White	1413	0 - 1
James Walsh	1486	1 - 0
David Smith	1592	1 - 0
Inder-Veer Singh	1737	0 - 1
Michael GA Wilson	1678	0 - 1
Krishna Raikundalia	1600	0 - 1

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

1484 = (11186 + 400 * (2 - 4)) / 7)