Event: Cotswold Minor

Opponent Rating Result
Colin Thompson 1570 1 - 0
Ray K Hunt 1591 0 - 1
Philip Owen 1526 0 - 1
Colin G Vernon 1393 0 - 1
Hazel Welch 1300 0 - 1
Frank Jewell 1514 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1282 = (8894 + 400 * (1 - 4)) / 6)

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