Event: Division Two

Opponent Rating Result
Abhishek Pradhan 1860 ½ - ½
Jenith AY Wiratunga 1952 1 - 0
David L Roberts 1994 0 - 1
Derek R Johnson 1979 0 - 1
Max Walker 2052 0 - 1
Roger Betts 1845 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1814 = (11682 + 400 * (1 - 3)) / 6)

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