Event: Norfolk Team Blitz-Championship

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Opponent	Rating	Result
Yuming Bian	1333	1 - 0
Ken B McEwan	2125	0 - 1
Alexander New	1904	0 - 1
Graham K Blowers	1732	0 - 1
Stephen LA Orton	2027	0 - 1
Hazel Bowler	1929	0 - 1
David E McLean	1777	0 - 1

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

1547 = (12827 + 400 * (1 - 6)) / 7)