Event: OTB U1650 Ladder

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Opponent	Rating	Result
Laurence Duffy	1597	1 - 0
John V Jestico	1471	½ - ½
David Brittain	1300	0 - 1
Michael J Buckingham	1581	1 - 0
Ivan Hutcheson	1503	1 - 0
Stilianos Reci	1200	1 - 0
Krishna Raikundalia	1623	½ - ½
David Brittain	1300	0 - 1

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

1547 = (11575 + 400 * (4 - 2)) / 8)