Event: Under 100

Opponent Rating Result
Bob Wallace 1408 0 - 1
Graham Wilson 1162 1 - 0
Kenneth Keeler 1419 0 - 1
Don Richards 1398 ½ - ½
Kenneth Keeler 1419 0 - 1
Graham Wilson 1162 0 - 1
John L Clarke 1394 0 - 1
Brian W Williamson 1318 ½ - ½
John L Clarke 1394 0 - 1
Bob Wallace 1408 1 - 0
Brian W Williamson 1318 0 - 1
Don Richards 1398 0 - 1
Roy J McAloney 1412 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1139 = (17610 + 400 * (2 - 9)) / 13)

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