Event: SCCU County Championship: U1450

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Opponent	Rating	Result
Anthony Hunter	1300	0 - 1
Nicky DY Chorley	1255	0 - 1
Paul Loasby	1330	1 - 0

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

1162 = (3885 + 400 * (1 - 2)) / 3)