Event: John Swan Trophy

Opponent Rating Result
Andrew S Pandian 1309 1 - 0
Jim McAvoy 1682 1 - 0
Edward T King 1565 ½ - ½
Steve J Pullinger 1874 0 - 1
Jeff R Dawson 1734 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1633 = (8164 + 400 * (2 - 2)) / 5)

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