Event: Division One

Opponent Rating Result
John E Crump 1877 ½ - ½
Iain Brodie 1798 ½ - ½
Nigel S Towers 1834 ½ - ½
Richard Liszewski 1823 0 - 1
Adam Routledge 1764 ½ - ½
Robert J Purcell 1738 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1739 = (10834 + 400 * (0 - 1)) / 6)

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