Event: 54th Cotswold Open

Opponent Rating Result
David J Spence 2307 ½ - ½
James Tapp 1941 1 - 0
Graham Bolt 2037 1 - 0
Bao Nghia Dong 2327 ½ - ½
George Zhao 2130 ½ - ½
Kushal Jakhria 2215 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

2293 = (12957 + 400 * (2 - 0)) / 6)

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