Event: Division Four

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Opponent	Rating	Result
Adam GA Draper	1863	½ - ½
Ray Bettam	1551	½ - ½
Paul J Evans	1701	1 - 0
Dave Hodkinson	1637	½ - ½
Paul B Sharratt	1741	½ - ½
Nicolas Fernandez Santos	1812	½ - ½
Muhammed Mehmood	1701	½ - ½

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

1772 = (12006 + 400 * (1 - 0)) / 7)