Event: WMA Autumn League Division 2

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Opponent	Rating	Result
Charles Charalambous	1600	½ - ½
Mark Riley	1600	1 - 0
Ray Sawyer	1412	1 - 0
Praveen Joy	1709	0 - 1
Sam J Hall	1641	1 - 0
John Foxall	1614	1 - 0
Lawrence F Hayden	1762	1 - 0
Richard D Leaper	1645	1 - 0
David Cleak	1561	1 - 0
Matthew Rowe	1329	½ - ½
Charles Charalambous	1600	1 - 0
Mark Riley	1600	1 - 0
Ray Sawyer	1412	½ - ½
Praveen Joy	1709	0 - 1
Sam J Hall	1641	0 - 1
John Foxall	1614	1 - 0
Lawrence F Hayden	1762	1 - 0
Richard D Leaper	1645	½ - ½
David Cleak	1561	1 - 0
Matthew Rowe	1329	1 - 0

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

1787 = (31746 + 400 * (13 - 3)) / 20)