Event: MCA U7200

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Opponent	Rating	Result
Peter O'Driscoll	1998	1 - 0
Steven Lee	1936	½ - ½
Edward H Taylor	1924	½ - ½
David G Owens	1832	½ - ½
Peter O'Driscoll	1998	½ - ½
Steven Lee	1936	½ - ½
E Dave Williams	2000	½ - ½

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

2003 = (13624 + 400 * (1 - 0)) / 7)