Event: Division 3

Opponent Rating Result
Kenneth L Marsden 1391 ½ - ½
John E Parr 1386 ½ - ½
John Cleland 1593 0 - 1
Adam Varga 1045 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1354 = (5415 + 400 * (1 - 1)) / 4)

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