Event: NSDCA Division 2

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Opponent	Rating	Result
Chris P Hankey	1775	0 - 1
Steve Whatmore	1879	0 - 1
David Lambton	1792	0 - 1
Steve Whatmore	1879	1 - 0
Julian Bulbeck	1475	1 - 0
Jay Baddeley	1536	0 - 1
Julian N Hawthorne	1680	1 - 0
George Bulbeck	1546	0 - 1

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

1595 = (13562 + 400 * (3 - 5)) / 8)