Event: 4th Simon Bartlett Memorial Minor

Opponent Rating Result
Jack Wills 1556 0 - 1
Peter J Hughes 1484 0 - 1
Freddie Powis 1487 1 - 0
John R Sellen 1479 ½ - ½
Steven E Cawser 1532 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1348 = (7538 + 400 * (1 - 3)) / 5)

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