Event: Hull CC Championship 2022-23

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Opponent	Rating	Result
Andrei Ciuravin	2181	0 - 0
Shaun J Culkin	1992	0 - 1
John W Atkinson	1971	½ - ½
Maksym Larchikov	1756	0 - 1
Mark I Collinson	1965	0 - 1
John G Cooper	2247	0 - 0
Joe Varley	2026	½ - ½

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

1702 = (9710 + 400 * (0 - 3)) / 5)