Event: NCCA League Division 4

Opponent Rating Result
Ken Farquhar 1517 1 - 0
Bruce M Carman 1484 0 - 1
David L Jones 1522 ½ - ½
Olly Shaw 1300 0 - 1
James Casey 1760 0 - 1
Edward Hackford 1614 0 - 1
Martin Griffin 1543 0 - 1
Kenneth R Ellis 1396 ½ - ½
James Casey 1450 0 - 1
George Lyall 1350 0 - 1
Merlin Perrow 1175 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1210 = (16111 + 400 * (1 - 8)) / 11)

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