Event: Division 1

Opponent Rating Result
Tim M Joslin 1812 0 - 1
John S Walton 1755 1 - 0
Peter R Wood 1903 ½ - ½
Robin Sarfas 1785 1 - 0
Michael St J Brown 1953 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1922 = (9208 + 400 * (2 - 1)) / 5)

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