Event: 3rd Chess Centre Rapid U1750

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Opponent	Rating	Result
Stephen K Lee	1692	0 - 1
Edward Alexander	782	1 - 0
Ian Gaskin	1629	0 - 1
Hugh Shipley	0	1 - 0
John George	1503	0 - 1

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

1041 = (5606 + 400 * (2 - 3)) / 5)