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Event: 3rd Chess Centre Rapid Open

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Opponent Rating Result
Steve J Gibbs 1823 1 - 0
Jim Burnett 2097 0 - 1
Peter Hepworth 2007 ½ - ½
Billy Fellowes 2064 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1898 = (7991 + 400 * (1 - 2)) / 4)

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