Event: UK Chess Challenge - Stockton Heath

Opponent Rating Result
Joshua Lam 594 1 - 0
Harry Ducker 1054 0 - 1
Oliver Marshall 0 1 - 0
Harry Ducker 1054 0 - 1
Lincoln Chan 514 1 - 0
Augustine Sy 883 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

817 = (4099 + 400 * (4 - 2)) / 6)

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