Event: Winter Club Div 3 (Max 1300)

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Opponent	Rating	Result
Peter Kanalos	1000	1 - 0
Oskar Jarzynski	1150	0 - 1

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

1075 = (2150 + 400 * (1 - 1)) / 2)