Event: Cambs Division 2

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Opponent	Rating	Result
John Beck	1817	½ - ½
Marek Zajaczkowski	1585	0 - 1
Neil Chedd	1550	1 - 0
Andrew Rankine	1485	½ - ½
David Bently	1483	1 - 0
Michael Kowalczyk	1422	1 - 0
Chris J Russell	1562	½ - ½
James Barwise	0	½ - ½
Daniel Finch	1274	0 - 1

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

1398 = (12178 + 400 * (3 - 2)) / 9)