Event: 4-Board Division 2

Opponent Rating Result
Steve J Thrower 101 1 - 0
Jason Clemmey 91 ½ - ½
Janina Kanajeva 90 1 - 0
Nick Colley 94 1 - 0
Ghai Chong 80 ½ - ½
Robin A Edwards 120 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

229 = (576 + 400 * (3 - 1)) / 6)

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