Event: Market Harborough Club Competition

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Opponent	Rating	Result
Romilly Ilersic	1885	0 - 1
David P Curran	1626	0 - 1
W Mount	0	0 - 1

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

770 = (3511 + 400 * (0 - 3)) / 3)