Event: Club Championship Gold Section

Opponent Rating Result
Nigel J Larter 1783 ½ - ½
Ben Yelverton 1758 ½ - ½
Antony C Hall 1931 ½ - ½
David J Payne 1711 0 - 1
Henry Leather 1751 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1707 = (8934 + 400 * (0 - 1)) / 5)

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