Event: Division 2

Opponent Rating Result
John A Amison 1600 ½ - ½
Richard Chillcott 1753 ½ - ½
Tomasz D Adamski 1764 ½ - ½
Pavlo Demchuk 1857 ½ - ½
Adam Stevenson 1450 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1605 = (8424 + 400 * (0 - 1)) / 5)

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