Event: Division 2

Opponent Rating Result
Richard Garrett 1998 ½ - ½
Matthew Dishman 1949 ½ - ½
Martin J White 1915 1 - 0
Colin J Davis 2025 0 - 1
David O Vaughan 1845 ½ - ½
Jerry Humphreys 2039 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1962 = (11771 + 400 * (1 - 1)) / 6)

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