Event: Reading-Chess-Championships

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Opponent	Rating	Result
James C Moody	1706	0 - 1
Dylan Wastney	1881	0 - 1
Seth Warren	1757	½ - ½
Krish Keshari	1634	1 - 0
Remi GJ Tailleux	2079	0 - 1
Ewan Wilson	2152	0 - 1
Ewan Wilson	2152	0 - 1
Volodymyr Mylovanov	1890	0 - 1
Ayan Pradhan	1741	0 - 1
Remi GJ Tailleux	2086	0 - 1
Volodymyr Mylovanov	1898	0 - 1

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

1616 = (20976 + 400 * (1 - 9)) / 11)