Event: Division 2

Opponent Rating Result
Hari Selvaraj 1934 1 - 0
Ian D Hunnable 1902 1 - 0
Michael D Williams 1751 0 - 1
Mohammed Alahi 1869 1 - 0
Colm O'Shea 0 0 - 1
David J Whitehead 1963 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1703 = (9419 + 400 * (4 - 2)) / 6)

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