Event: Peter Harrison Knockout Cup

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Opponent	Rating	Result
Noman Baloch	1481	1 - 0
John CH Jones	1142	1 - 0
Dave R Wingrove	1406	1 - 0

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

1743 = (4029 + 400 * (3 - 0)) / 3)