Event: Division 1

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Opponent Rating Result
Nigel Redmond 1675 1 - 0
Lee Crawford 1853 ½ - ½
Dave Patrick 1795 1 - 0
Phil R Watson 2156 0 - 1
Ihor Lewyk 2090 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1994 = (9569 + 400 * (2 - 1)) / 5)

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