Event: Holmes Chapel Individual Championship

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Opponent	Rating	Result
John Hicks	1582	0 - 1
Michael A Lee	1701	0 - 1
Michael L Hancock	2029	0 - 1
Malcolm A Roberts	1642	0 - 1
Michael L Hancock	2041	0 - 1
Malcolm A Roberts	1666	0 - 1
Michael A Lee	1731	0 - 1
John Hicks	1589	0 - 1

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

1348 = (13981 + 400 * (0 - 8)) / 8)