Event: NSDCA Division 3

Opponent Rating Result
Mohammed Farah 1268 0 - 1
Isabelle M Rose 1260 0 - 1
Jim Leech 1249 1 - 0
Philip Smith 1250 0 - 1
Mark Randell 1192 1 - 0
Matthew Dean 1166 ½ - ½
Matthew Dean 1166 1 - 0
Philip Grocott 1360 ½ - ½
Gennady Tabala 1200 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1190 = (11111 + 400 * (3 - 4)) / 9)

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