Event: LCA Division 1

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Opponent Rating Result
Nigel Birtwistle 2243 ½ - ½
David H Coates 2013 ½ - ½
Nigel Birtwistle 2243 0 - 1
Nick P Stead 2154 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

2063 = (8653 + 400 * (0 - 1)) / 4)

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