Event: NSDCA Division 1

Opponent Rating Result
Martin J Burns 1936 ½ - ½
Philip J Cattermole 1790 1 - 0
Cyrus Pereira 1937 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1888 = (5663 + 400 * (1 - 1)) / 3)

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