Event: Walker Shield

Opponent Rating Result
George Allen 36 1 - 0
Oli Garrett 31 1 - 0
Leon A Garfield 100 1 - 0
Bob Wallace 85 0 - 1
I Redmond 75 0 - 1
Roy J McAloney 83 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

135 = (410 + 400 * (3 - 2)) / 6)

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Opponent Rating Result
Barnaby Wills 35 0 - 1
Roy J McAloney 83 0 - 1
Bob Wallace 85 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-199 = (203 + 400 * (0 - 2)) / 3)