Event: Div 2 - Weston Trophy

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Opponent	Rating	Result
Rishab Cammanchery Krishnan	1875	0 - 1
Phil Griffiths	1837	0 - 1
Nathaniel Holroyd-Doveton	1725	1 - 0
Ionel Dragan	1927	½ - ½
Stefan Lewins	1603	1 - 0
Khagani Gasimov	0	1 - 0

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

1561 = (8967 + 400 * (3 - 2)) / 6)