Event: 4-Board Division 2

Opponent Rating Result
David J Hambly 1803 0 - 1
R Malcolm Hara 1634 0 - 1
Shaun E Taylor 1722 1 - 0(def)
Dan Malbon 1350 1 - 0
David Atkin 1350 0 - 1
Ron V Kemp 1335 0 - 1
Ridwan Miah 1030 1 - 0
David Atkin 1350 0 - 1
Ron V Kemp 1335 0 - 1
Nick Whetton 1612 0 - 1
Mark Schofield 1330 1 - 0
John Burton 1274 1 - 0
David J Gibson 1541 0 - 1
Colin W Field 1468 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1262 = (18412 + 400 * (4 - 9)) / 13)

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