Event: Thornaby Junior Chess Open Under 11

Opponent Rating Result
Tashil Lankapura 1467 0 - 1
Ben Pearson 0 1 - 0
Freya Hind 843 1 - 0
Keith Barker-Chapman 0 1 - 0
Dara Jafari 813 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

705 = (3123 + 400 * (3 - 2)) / 5)

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