Event: Gambit Rapidplay

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Opponent	Rating	Result
Adam Lovatt	1482	1 - 0
Adam Lovatt	1482	1 - 0
Boris Krastev	1500	0 - 1
Boris Krastev	1500	1 - 0
Felipe Almeida Lessa	1818	1 - 0
Felipe Almeida Lessa	1818	1 - 0
Michael H Barnes	2205	½ - ½
Michael H Barnes	2205	0 - 1
Florian Biermann	1965	0 - 1
Florian Biermann	1965	0 - 1

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

1834 = (17940 + 400 * (5 - 4)) / 10)