Event: West of England Counties Online Championship

Opponent Rating Result
Brian GE Gosling 1883 1 - 0
Tim McCullagh 1200 1 - 0
David Lyall 1200 0 - 1
Jack Hill 1200 1 - 0
Beatrice H Steele 1629 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1582 = (7112 + 400 * (3 - 1)) / 5)

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