Event: NSDCA Division 2

Opponent Rating Result
David P Price 1660 0 - 1
George Bulbeck 1546 ½ - ½
Nigel Gardner 1499 ½ - ½
Neville Layhe 1638 ½ - ½
Philip Wright 1301 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1529 = (7644 + 400 * (1 - 1)) / 5)

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