Event: Darlington Rapid Play

Opponent Rating Result
Jonathan Sams 1806 0 - 1
Jonathan Sams 1806 ½ - ½
Robert Donner 1815 1 - 0
Robert Donner 1815 ½ - ½
Luke Owen 1712 0 - 1
Luke Owen 1712 0 - 1
Richard Kuby 1626 1 - 0
Ilya Bowman 1450 1 - 0
Ilya Bowman 1450 ½ - ½
Richard Kuby 1626 1 - 0
Dominic Leigh 1764 0 - 1
Liam Bellwood 1970 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1679 = (20552 + 400 * (4 - 5)) / 12)

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