Event: Division 2

Opponent Rating Result
Philip Staniland 1879 0 - 1
Paul R Barclay 1797 ½ - ½
Rajyeshwar Ramesh Mathompat 1836 0 - 1
Stephen L Wedlock 1880 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1548 = (7392 + 400 * (0 - 3)) / 4)

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