Event: Players Trophy

Opponent Rating Result
Andrejs Gorskovs 1500 1 - 0
Robert E Lane 1781 0 - 1
David A Munford 1920 0 - 1
Kevin Charlton 1651 ½ - ½
David R Heath 1824 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1575 = (8676 + 400 * (1 - 3)) / 5)

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