Event: Holmfirth Junior Rapid

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Opponent	Rating	Result
Awen Gitay	1143	½ - ½
Alex Burke	1344	0 - 1
Benjamin Goodwin	985	1 - 0
Sam Hough	1006	0 - 1
Archie Crebbin	1149	½ - ½

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

1045 = (5627 + 400 * (1 - 2)) / 5)