Event: Hepolite (Rapidplay)

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Opponent	Rating	Result
Stephen Burton	1387	1 - 0
Stephen Burton	1387	1 - 0
Robert Dennington	1644	0 - 1
Robert Dennington	1644	0 - 1
Mohammad Abdulhamid	1710	0 - 1
Mohammad Abdulhamid	1710	0 - 1

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

1447 = (9482 + 400 * (2 - 4)) / 6)