Event: Division 4

Opponent Rating Result
John McKiernan 1368 ½ - ½
Vijay Gulab 1593 ½ - ½
Mike Griffiths 1473 ½ - ½
Richard Maconnachie 1323 ½ - ½
John McKiernan 1368 ½ - ½
Hal Jardine 1350 0 - 1
Jamie Rhodes 1100 0 - 1
Ray Beach 1323 0 - 1
Peter North 1500 0 - 1
Daniel Wilkinson 1550 0 - 1
Peter A Smith 1368 0 - 1
John A Oliver 1413 0 - 1
George Gowers 1150 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1160 = (17879 + 400 * (0 - 7)) / 13)

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