Event: 4-Board Division 1

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Opponent	Rating	Result
Derek A Sheppard	1715	½ - ½
Stephen Greep	1657	1 - 0
Douglas Vleeshhouwer	2027	1 - 0
Joe Varley	2033	0 - 1
John E Sugden	1523	1 - 0
Derek A Sheppard	1715	1 - 0
Stephen Greep	1657	1 - 0
Douglas Vleeshhouwer	2027	0 - 1
Joe Varley	2033	0 - 1
Keith Porteous	1673	1 - 0
Hussam Al Haidar	1506	1 - 0

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

1924 = (19566 + 400 * (7 - 3)) / 11)