Event: Bath Summer Tournament 2022

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Opponent	Rating	Result
Jason Daye	1433	1 - 0
Rob Draper	1617	½ - ½
Roy Whaley	1270	1 - 0

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

1707 = (4320 + 400 * (2 - 0)) / 3)