Event: Holmes Chapel Individual Championship

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Opponent	Rating	Result
Paul G Clifford	1448	1 - 0
Malcolm A Roberts	1647	½ - ½
Michael A Lee	1703	0 - 1
Malcolm A Roberts	1657	0 - 1
Michael A Lee	1721	1 - 0
Michael L Hancock	2041	½ - ½
Michael L Hancock	2041	0 - 1
Paul G Clifford	1441	1 - 0

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

1712 = (13699 + 400 * (3 - 3)) / 8)