Event: Hillingdon Div 2

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Opponent	Rating	Result
Peter R Lord	1699	1 - 0
Michael J Broad	1625	½ - ½
Agnieszka Milewska	1789	0 - 1
Maximillian Papachristos	1624	1 - 0
David A Stott	1398	½ - ½
Arthur Cann	1502	0 - 1
Siena Gurjar	1511	1 - 0

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

1650 = (11148 + 400 * (3 - 2)) / 7)