Event: 6-Board Division 2

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Opponent	Rating	Result
Stephen Greep	1657	1 - 0
Chris J Matthews	1822	½ - ½
Stephen Garner	1399	1 - 0
Chris J Matthews	1822	0 - 1
N Charles Clayton	1501	1 - 0
Derek A Sheppard	1715	0 - 1

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

1719 = (9916 + 400 * (3 - 2)) / 6)