Event: Division Four

Opponent Rating Result
David Smith 1801 ½ - ½
George Mitchell 1496 1 - 0
Stephen Gaskell 1603 0 - 1
Ron Evans 1569 1 - 0
Mark E Tallis 1638 ½ - ½
David J Carpenter 1525 ½ - ½
Barry Knee 1414 1 - 0
Stefan Danaher 1525 1 - 0
Richard F Collett 1404 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1731 = (13975 + 400 * (5 - 1)) / 9)

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