Event: Jurassic Rapid

Opponent Rating Result
Robin J Cubbon 1089 1 - 0
Ian Gregory 1947 ½ - ½
Alex Conway 1886 ½ - ½
Paul DJ Hampton 199 0 - 1
Alan Dowse 1678 1 - 0
Frank J Pittman 1842 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1507 = (8641 + 400 * (2 - 1)) / 6)

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