Event: Division 2 East

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Opponent	Rating	Result
David L Weston	123	0 - 1
Stephen G Cook	107	1 - 0
Edoardo Mancini	112	½ - ½

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

114 = (342 + 400 * (1 - 1)) / 3)