Event: Division 3

Opponent Rating Result
Nigel Wollen 1650 ½ - ½
David Gamble 1398 1 - 0
Michael H Cowley 1630 0 - 1
John Howlett 1529 1 - 0
Mick Sandham 1653 0 - 1
Richard Maconnachie 1323 1 - 0
Granville Hill 1450 0 - 1
Michael A jnr Garland 1623 0 - 1
Elizabeth Gist 1563 1 - 0
Mick Sandham 1653 0 - 1
Michael A jnr Garland 1623 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1481 = (17095 + 400 * (4 - 6)) / 11)

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