Event: 5th Simon Bartlett Memorial Major

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Opponent	Rating	Result
Mark V Abbott	1885	0 - 1
Harvey Cooper	1805	0 - 1
Michael P Freund	1636	0(def) - 1

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

1445 = (3690 + 400 * (0 - 2)) / 2)