Event: Harrogate Evening League 2022 season

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Opponent	Rating	Result
Richard Tate	0	1 - 0
John Tate	1507	½ - ½
Paul R Chambers	929	1 - 0

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

1079 = (2436 + 400 * (2 - 0)) / 3)