Event: U1800 Cup

Opponent Rating Result
Haroon Majeed 1780 ½ - ½
Samuel Gaffney 1780 0 - 1
Timothy J Wesson 1795 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1518 = (5355 + 400 * (0 - 2)) / 3)

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