Event: 3rd Cornwall Spring Open

Opponent Rating Result
Sandy Storey 0 1 - 0
Lloyd Retallick 2070 0 - 1
Simon D Arnold 1962 ½ - ½
David O Collier 1957 0 - 1
Colin J Davis 1952 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1428 = (7941 + 400 * (1 - 3)) / 5)

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