Event: U1400 Championship

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Opponent	Rating	Result
Mateusz Kusowski	0	0 - 1
Matt Baugh	0	0 - 1
Brian Kirby	1183	½ - ½
James Hurley	1252	1 - 0
Mateusz Kusowski	1426	0 - 1
Matt Baugh	1523	0 - 1
Brian Kirby	1170	1 - 0
James Hurley	1257	0 - 1

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

826 = (7811 + 400 * (2 - 5)) / 8)