Event: 3rd Cornwall Spring Open

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Opponent Rating Result
Kieran Macphail 1801 ½ - ½
Ian M George 1904 ½ - ½
Johnathan D Bourne 1937 ½ - ½
Simon D Arnold 1962 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

2001 = (7604 + 400 * (1 - 0)) / 4)

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