Event: Durham League Division A

Opponent Rating Result
Tim P Wall 2338 0 - 1
Thomas A Eggleston 2269 ½ - ½
Ken P Neat 2208 1 - 0
Ken P Neat 2208 1 - 0
Thomas A Eggleston 2269 0 - 1
George Gazis 1932 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

2137 = (13224 + 400 * (2 - 3)) / 6)

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