Event: Division 2

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Opponent	Rating	Result
Tadeusz Tompsett	1695	½ - ½
Charlie Wannasin Bell	1549	½ - ½
Lawrence Rhodes	1566	1 - 0
Robert Wall	1684	1 - 0
Easton Chan	0	½ - ½
Lawrence Rhodes	1565	1 - 0
Carlos Cambon Rodriguez	1891	1 - 0
Daniel Miller	1714	½ - ½

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

1658 = (11664 + 400 * (4 - 0)) / 8)