Event: Summer Max 560 Division

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Opponent Rating Result
Nikolaos Papathanasopoulos 139 1 - 0
Geoffrey C Wesson 118 1 - 0
Marek J Soszynski 137 ½ - ½
Tim A Lane 151 0 - 1
Geoffrey C Wesson 118 0 - 1
Marek J Soszynski 137 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

200 = (800 + 400 * (3 - 2)) / 6)

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