Individual Calculations November 2009
 Pyatin, Alexander  Total change: 11.70  Rating chartPersonal card
 Autumn on Petrograd side 2009 open St.Petersburg RUS 2009-09-21
RcRownchangeKK*chgGame
 2121 2093 4.50 8 0.78 15 11.70 
  Grechishkin, Vitaly 1823 RUS1.0010.17152.55 
  Yankovsky, Roman 2314 RUS0.5010.28154.20 
  Vunder, Yakov 2212 RUS1.0010.66159.90 
  Solovyov, Viktor 2204 RUS0.5010.15152.25 
  Martynenko, Andrei f2377 RUS0.001-0.1615-2.40 
  Tkachev, Taras 1959 RUS0.501-0.1815-2.70 
  Nuretdinov, Igor 2182 TJK0.001-0.3815-5.70 
  Dubovsky, Artyom 1894 RUS1.0010.24153.60 

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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