Event: 4th Simon Bartlett Memorial Major

Opponent Rating Result
Martin Goldschmidt 1927 ½ - ½
Brendan O'Gorman 1727 ½ - ½
Arthur Hibbitt 1758 1 - 0
Martin J Clancy 1824 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

2009 = (7236 + 400 * (2 - 0)) / 4)

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