Event: Blitz Round Robin 2023

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Opponent	Rating	Result
Ben Virrels	0	1 - 0
Daniel Donaghy	1735	½ - ½
David W Fryer	1644	0 - 1

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

1126 = (3379 + 400 * (1 - 1)) / 3)