Event: Doncaster League

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Opponent Rating Result
Peter Convery 1891 0 - 1
David P Hatfield 1594 0 - 1
Andrew Butterworth 2006 0 - 1
Sean O McDonald 1910 0 - 1
Neil R Lowther 1887 0 - 1
Farrell P Clifford 1721 ½ - ½
Peter JE Ackley 2098 0 - 1
Peter Convery 1894 0 - 1
Richard E Desmedt 1785 1 - 0
Alan Bramall 1803 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1579 = (18589 + 400 * (1 - 8)) / 10)

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Opponent Rating Result
Richard E Desmedt 1769 0 - 1
T Ed Sowerby 1582 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1276 = (3351 + 400 * (0 - 2)) / 2)