Event: Les Bell Cup

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Opponent	Rating	Result
Stephen Livermore	1746	0 - 1
Matthew Taylor	1709	1 - 0
Andrew S Pandian	1605	0 - 1
Chris Jones	1615	1 - 0(def)
Matthew J Morter	1603	½ - ½
Graham R Jones	1534	0 - 1
Madhurima De	1292	1 - 0

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

1515 = (9489 + 400 * (2 - 3)) / 6)