Individual Calculations February 2014
 Martinez, Isaac  Total change: 7.80  Rating chartPersonal card
 23rd Annual North American Open - U2300 Section Las Vegas, Nevada USA 2013-12-26
 2025 2084 2.00 3 0.26 30 7.80 
  Farah, Daniel L 1902 BRA1.0010.26307.80 
  Magana Cazares, Jesus 2109 MEX1.0010.533015.90 
  Wee, Kelvin 2065 SIN0.001-0.5330-15.90 

Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change)


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