Event: Price Cup, 2022-23

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Opponent	Rating	Result
Jake Tomy	1361	½ - ½
Judith Tomy	1270	1 - 0
David J Healey	1278	1 - 0

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

1570 = (3909 + 400 * (2 - 0)) / 3)