Individual Calculations January 2012
 Zhang, David  Total change: 9.75  Rating chartPersonal card
 2011 Alberta Junior Ch Calgary, Alberta CAN 2011-11-05
RcRownchangeKK*chgGame
 2116 2049 2.00 2 1.17 15 17.55 
  Miller, David 1976 CAN1.0010.40156.00 
  Wang, Richard 2256 CAN1.0010.771511.55 

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)
 
 World Youth Chess Championship - U 16 Open Caldas Novas/GO BRA 2011-11-18
RcRownchangeKK*chgGame
 2003 2049 4.00 8 -0.52 15 -7.80 
  Grigoryan, Karen H m2449  * ARM0.001-0.0815-1.20 
  Iriarte, Alexis 1783 BOL1.0010.18152.70 
  Salvatierra, Matias 1858 ARG0.001-0.7515-11.25 
  Modi, Jaishil Bhadrashil c1829 RSA0.001-0.7815-11.70 
  Esteves, Igor Silva Mota 1750 BRA1.0010.15152.25 
  Nemeth Junior, Henrique 1885 BRA1.0010.28154.20 
  Menezes, Christoph 2263 AUT0.5010.27154.05 
  Gascon, Jose Rafael 2209 VEN0.5010.21153.15 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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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