Event: A&B Division

Opponent Rating Result
Kevin J Wilson 1958 ½ - ½
John S Garnett 1963 ½ - ½
Stephen Cole 1909 1 - 0
Jonathan Sams 1835 1 - 0
Virgil Szekely 2149 0 - 1
Steven B Booth 1908 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

2020 = (11722 + 400 * (2 - 1)) / 6)

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