Event: WMA Autumn League Division 2

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Opponent	Rating	Result
Matthew Coldwell	1630	1 - 0
John Foxall	1660	½ - ½
Elis Denele Dicen	1773	1 - 0
Robert Marks	1658	0 - 1
Richard D Leaper	1645	1 - 0
Robin Hayles	1677	1 - 0
Ian Ellis	1667	0 - 1
Phil Stevens	1634	1 - 0
Mark Riley	1600	0 - 1
Ray Sawyer	1448	0 - 1
Matthew Coldwell	1630	0 - 1
John Foxall	1660	0 - 1
Elis Denele Dicen	1773	1 - 0
Robert Marks	1658	1 - 0
Richard D Leaper	1645	½ - ½
Robin Hayles	1677	1 - 0
Ian Ellis	1667	½ - ½
Phil Stevens	1634	1 - 0
Mark Riley	1600	0 - 1
Ray Sawyer	1448	1 - 0

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

1699 = (32784 + 400 * (10 - 7)) / 20)