Event: Division 3

Opponent Rating Result
Alan Clarke 1740 0 - 1
Elmira Walker 1678 0 - 1
Matt Howells 1481 ½ - ½
Brian Crewe 1651 ½ - ½
Alex Mckeigue 1828 0 - 1
Duncan M Macarthur 1607 0 - 1
Nigel Wilcox 1667 0 - 1
George Southcott 1704 1 - 0
Geoffrey D Dring 1591 0 - 1
Jim Rowlands 1400 1 - 0
Ben Mumford 1632 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1525 = (17979 + 400 * (3 - 6)) / 11)

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