Event: LCA Division 1

Opponent Rating Result
Nigel Birtwistle 2243 ½ - ½
David H Coates 2013 0 - 1
Joe Kilshaw 2033 ½ - ½
Denis Georgiou 1804 0 - 1
David H Coates 2013 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1861 = (10106 + 400 * (0 - 2)) / 5)

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