Event: 53rd Cotswold Open

Opponent Rating Result
Yichen Han 2500 0 - 1
Edward P Small 1840 1 - 0
Jonathan WR Underwood 2082 0 - 1
Daniel Hilditch-Love 1905 ½ - ½
Ethan Pang 1750 1 - 0
Qixiang Han 1832 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1985 = (11909 + 400 * (2 - 2)) / 6)

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