Event: Cotswold Open

Opponent Rating Result
Toby Carter 1988 ½ - ½
Graham Bolt 2044 0 - 1
Richard J Johnson 1913 ½ - ½
Jim Beaty 1939 ½ - ½
Robert G Taylor 1946 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1886 = (9830 + 400 * (0 - 1)) / 5)

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