Event: Easter Billingham Synthonia Quick Play 13/04/22

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Opponent	Rating	Result
Peter Harker	1735	0 - 1
Darren John Donnison	1527	0 - 1

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

1231 = (3262 + 400 * (0 - 2)) / 2)