Event: Division 2

Opponent Rating Result
Alan Watkins 1880 0 - 1
Steve Lovell 1818 ½ - ½
Tom Bramley 1793 0 - 1
Zbynek Strela 1657 0 - 1
Ruben Evans 1922 0 - 1
Ruben Evans 1840 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1485 = (10910 + 400 * (0 - 5)) / 6)

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