Event: Division B

Opponent Rating Result
Peter W Rose 1835 0 - 1
Vittorio Nigrelli 1757 ½ - ½
George H Monk 0 1 - 0
Kamil Ozdemir 1484 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1369 = (5076 + 400 * (2 - 1)) / 4)

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