Event: Sheffield Chess Centre U1750

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Opponent	Rating	Result
Chris A Fraser	1549	1 - 0
Michael I Connor	1702	0 - 1
Bryony Eccleston	1522	0 - 1
Mindaugas Mikalajunas	1461	1 - 0
Paul Wheatley	1494	½ - ½
Arthur Eastham	1809	0 - 1

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

1523 = (9537 + 400 * (2 - 3)) / 6)