Event: Division 5

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Opponent	Rating	Result
Nigel Bowler	0	1 - 0
John R Huthwaite	1743	1 - 0
Gavin Dow	1432	½ - ½
Graham Johnson	1549	1 - 0
Len J Morrell	1413	1 - 0
Eldars Gulijevs	1702	1 - 0
Daniel Pitts	1510	0 - 1
Ronald Watson	1409	1 - 0
Kevin Argyle	1548	1 - 0

performance = (sum(opponents ratings) + 400(wins-losses)) / games

1634 = (12306 + 400 * (7 - 1)) / 9)