Event: NSDCA Division 1

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Opponent Rating Result
Samuel A Parry 1988 0 - 1
Simon Layhe 1800 0 - 1
Gerald Acey 2050 0 - 1
Jonathan LB Blackburn 2273 0 - 1
David I Hulme 1803 1 - 0
Jonathan LB Blackburn 2273 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1765 = (12187 + 400 * (1 - 5)) / 6)

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