Event: NCCA League Division 4

Opponent Rating Result
Heather Enid Walker 1183 1 - 0
Tony Piper 1325 ½ - ½
Kenneth R Ellis 1375 ½ - ½
Damian Knott 1139 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1456 = (5022 + 400 * (2 - 0)) / 4)

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