Event: Double Rapid Tournament

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Opponent	Rating	Result
Paul Terry	1814	0 - 1
Calvin Roberts	929	1 - 0
Simon Green	1494	0 - 1
Chris Bailey	1098	1 - 0
Andrew T Watson	1420	0 - 1
Paul Rutter	1459	0 - 1
Robert J Arthurton	1533	1 - 0
Glen Smith	888	1 - 0

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

1329 = (10635 + 400 * (4 - 4)) / 8)