Event: Bishop/Knight 2022-23

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Opponent	Rating	Result
Ian K Edgson	1680	0 - 1
Tim Pavlovic	1741	0 - 1
Laurence Dunkling	1537	1 - 0
Paul N Kington	1754	0 - 1
Julie L Denning	1582	0 - 1
Alex B Taylor	1918	0 - 1
James Leare	1377	0 - 1
Steve Bird	1303	1 - 0

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

1412 = (12892 + 400 * (2 - 6)) / 8)