Event: 5th Cornwall Online Congress

Opponent Rating Result
Nigel J Kirkman 1667 0 - 1
Maurice A Richards 1429 1 - 0
Ian Renshaw 1425 0 - 1
Anthony Rundle 1499 0 - 1
John James 1224 0 - 1
Christopher Brough 1739 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1364 = (8983 + 400 * (2 - 4)) / 6)

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