Event: South Cheshire Shield

Opponent Rating Result
Alberto Gissi 1653 ½ - ½
Chris P Hankey 1814 0 - 1
David Mercer 1570 ½ - ½
Julian N Hawthorne 1682 ½ - ½
James Wolstenholme 1586 0 - 1
J Graham Sands 1550 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1443 = (9855 + 400 * (0 - 3)) / 6)

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