Event: League Division Two

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Opponent	Rating	Result
Adam R Breeden	1435	0 - 1
Mike J Johnson	1578	½ - ½
Martin Gonzalez	0	1 - 0
John J Rayner	1578	½ - ½
Simon Weaver	1473	½ - ½
Mike J Johnson	1578	½ - ½
Joshua Bugg	0	0 - 1

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

1035 = (7642 + 400 * (1 - 2)) / 7)