Event: Division 2

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Opponent	Rating	Result
Simon Riley	1740	½ - ½
Robert R Sanders	2036	0 - 1
Graeme Jones	1757	1 - 0
Angus Irving	1761	½ - ½
Robert R Sanders	2021	½ - ½
Rod M Saines	1850	½ - ½
Timothy Lunn	2049	1 - 0
Laurie Pott	1844	½ - ½

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

1932 = (15058 + 400 * (2 - 1)) / 8)