Event: NSDCA Division 3

Opponent Rating Result
Stephen J Emmerton 1615 ½ - ½
David P Price 1584 0 - 1
Thomas Bailey 1600 0 - 1
Roger W Walker 1588 ½ - ½
Philip Smith 1480 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1333 = (7867 + 400 * (0 - 3)) / 5)

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