Event: League Division Two

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Opponent	Rating	Result
Stephen Raju	0	0 - 1
Peter Smith	1533	½ - ½
Margarita Nasibova	1527	½ - ½
Stan Whitmore	1520	1 - 0
Adam R Breeden	1487	½ - ½
Peter J McConnell	1565	½ - ½
Simon Weaver	1502	½ - ½

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

1305 = (9134 + 400 * (1 - 1)) / 7)