Individual Calculations January 2012
 Bouzidi, Mouhamed  Total change: 1.50  Rating chartPersonal card
 Luzerner Open 2011 Luzern SUI 2011-10-29
 2139 2002 2.00 6 0.05 30 1.50 
  Goldstern, Filip f2319 NED0.001-0.1330-3.90 
  Di Fonzo, Valerio c2153 ITA0.001-0.3030-9.00 
  Sakulski, Bernard c2063 ESP1.0010.583017.40 
  Bischoff, Peter 2116 SUI0.001-0.3430-10.20 
  Krueger, Norbert 2114 GER0.5010.15304.50 
  Paul, Mathias 2068 GER0.5010.09302.70 

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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