Event: A Division

Opponent Rating Result
Kelechukwu Nkwonta 1953 1 - 0
Christopher Hodgson 1846 0 - 1
Greg T Eagleton 2108 ½ - ½
Mark Taylor 1779 ½ - ½
Ian R Dutton 2082 ½ - ½
Glenn Trueman 1913 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1947 = (11681 + 400 * (1 - 1)) / 6)

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