Event: 6600-max Rapid-play

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Opponent	Rating	Result
Robert Marks	1635	0 - 1
Alex D Pready	1778	0 - 1
Mike Warden	1580	0 - 1
John F Fahy	1741	0 - 1
Ian A Clack	1533	½ - ½
Jwalant Shukla	1610	0 - 1
Robert Marks	1635	½ - ½
Alex D Pready	1778	1 - 0
Mike Warden	1580	1 - 0
John F Fahy	1741	0 - 1
Ian A Clack	1533	1 - 0
Jwalant Shukla	1610	0 - 1

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

1513 = (19754 + 400 * (3 - 7)) / 12)