Event: Gordon Nobbs League

Opponent Rating Result
Paul E Wood 1674 1 - 0
Paul E Wood 1674 1 - 0
James Day 1722 0 - 1
Martyn Ingham 1454 1 - 0
Martyn Ingham 1454 1 - 0
George Bolt 1331 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1818 = (9309 + 400 * (5 - 1)) / 6)

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