Event: 3rd Cornwall Online Congress

Opponent Rating Result
Philip J Spargo 0 0 - 1
Philip May 0 1 - 0
Ian Renshaw 0 0 - 1
Lloyd Russell 0 1 - 0
Maurice A Richards 0 1 - 0
Trevor Palmer 0 1 - 0
Ian M George 0 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

57 = (0 + 400 * (4 - 3)) / 7)

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