Event: Division 2

Opponent Rating Result
D Ian Calvert 1993 ½ - ½
Andrew Ponting 1930 1 - 0
Mifail TOTA 2021 0 - 1
Hassan Mugalu 1933 1 - 0
Rahul Ghose 1929 0 - 1
Jude Ranga Samarasinghe 2127 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1922 = (11933 + 400 * (2 - 3)) / 6)

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