Event: 4th Cornwall Spring Open

Opponent Rating Result
Kieran Macphail 1837 0 - 1
Pierre Lipinsky 1813 ½ - ½
Gary Senior 2120 ½ - ½
Graham Bolt 2025 ½ - ½
William Adaway 1955 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1870 = (9750 + 400 * (0 - 1)) / 5)

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