Event: Silver Rook

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Opponent	Rating	Result
Asher Knight	760	1 - 0
Harley Townsend	1272	0 - 1
Tim Pryke	1374	0 - 1

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

1002 = (3406 + 400 * (1 - 2)) / 3)