Event: Open County Championship

Opponent Rating Result
Adrian G Elwin 1952 0 - 1
Roy Hughes 2008 ½ - ½
James Pack 1897 1 - 0
Brian J Valentine 1959 1 - 0
Paul P Smith 2042 0 - 1
James Pack 1897 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

2026 = (11755 + 400 * (3 - 2)) / 6)

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