Event: League Championship

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Opponent	Rating	Result
Phillip T Seery	163	½ - ½
Emilio Molina	0	½ - ½
Martyn J Harris	168	½ - ½
Nick Jameson	138	1 - 0
David Fatkin	56	1 - 0

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

265 = (525 + 400 * (2 - 0)) / 5)