Event: John Ripley Handicap

Opponent Rating Result
Richard DP Dineley 2306 ½ - ½
Peter O'Driscoll 1946 1 - 0
Owen Crawford 1848 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

2167 = (6100 + 400 * (1 - 0)) / 3)

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