Event: Division 2

Opponent Rating Result
Mal Waddell 1830 0 - 1
Richard Liszewski 1745 0 - 1
Julian H Summerfield 1821 ½ - ½
Chris John Evans 1820 0 - 1
Malcolm S Harding 1439 0 - 1
Richard Liszewski 1795 0 - 1
David Riley 1641 1 - 0
Robert J Purcell 1721 ½ - ½
Paul J Smith 1744 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1551 = (15556 + 400 * (1 - 5)) / 9)

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