Event: Division 5

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Opponent	Rating	Result
Dmytro Plotnikov	1684	0 - 1
Alfred Holton-Stoppani	1553	½ - ½
John Reeve	1444	½ - ½
Daniel Chandra	1612	0 - 1
Brad Hollingsworth	1359	0 - 1
Charles Higenbottam	1339	1 - 0
Beniamin Prundus	1414	0 - 1

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

1315 = (10405 + 400 * (1 - 4)) / 7)