Event: Club Championship

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Opponent	Rating	Result
Paul A Evans	2073	½ - ½
Phillip J Taylor	1947	1 - 0
Graham J Ashcroft	1866	1 - 0
Jim Sumner	2098	½ - ½

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

2196 = (7984 + 400 * (2 - 0)) / 4)