Event: Holmes Chapel Chess Club Individual Championship

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Opponent Rating Result
Malcolm A Roberts 1677 0 - 1
Michael L Hancock 1978 0(def) - 1
John Hicks 1607 0(def) - 1
Paul G Clifford 1435 0(def) - 1
James Hanlon 1674 0(def) - 1
John P Ewens 1916 0(def) - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1277 = (1677 + 400 * (0 - 1)) / 1)

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