Event: NSDCA Division 1

Opponent Rating Result
Richard WY Lee 2139 0 - 1
Patrick Bennett 1952 ½ - ½
Karl Lockett 1760 1 - 0
John R Booth 1869 ½ - ½
Harry Gardiner 1914 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

2007 = (9634 + 400 * (2 - 1)) / 5)

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