Event: 4th Cornwall Spring Open

Opponent Rating Result
Simon D Arnold 1941 1 - 0
David P Littlejohns 1980 1 - 0
Graham Bolt 2025 1 - 0
Jane Richmond 2143 0 - 1
John E Curtis 2016 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

2261 = (10105 + 400 * (4 - 1)) / 5)

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