Individual Calculations January 2011
 Chumpitaz, Ann  Total change: 10.35  Rating chartPersonal card
 World Youth Chess Championships 2010 - Girls under 16 Porto Carras, Chalkidiki - Greece GRE 2010-10-20
RcRownchangeKK*chgGame
 2071 2150 7.50 11 0.90 15 13.50 
  Anton, Roxana-Ana 1879 ROU1.0010.17152.55 
  Gevorgyan, Maria 1981 ARM1.0010.28154.20 
  Skrabakova, Katarina 2038 SVK1.0010.35155.25 
  Gagare, Shalmali wm2110 IND0.501-0.0615-0.90 
  Havanecz, Bianka 1948 HUN1.0010.24153.60 
  Ziaziulkina, Nastassia wm2284 BLR0.5010.18152.70 
  Arabidze, Meri wm2288 GEO0.5010.19152.85 
  Danelia, Mariam wm2213 GEO0.001-0.4115-6.15 
  Ainutdinova, Yekaterina 1999 KAZ0.001-0.7015-10.50 
  Khalaji, Hanieh 1947 IRI1.0010.24153.60 
  Pujari, Rucha wf2090 IND1.0010.42156.30 

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)
 
 Campeonato Pan Americano Feminino 2010 Campinas/SP BRA 2010-11-28
RcRownchangeKK*chgGame
 2100 2174 4.50 8 -0.21 15 -3.15 
  Reis, Virginia Lagrange M 1841 BRA1.0010.12151.80 
  Romero Echeverria, Abigail wf2068 ECU0.001-0.6415-9.60 
  Marrero Lopez, Yaniet wg2349 CUB1.0010.731510.95 
  Tournier, Laurie Cristiane 2045 BRA0.501-0.1715-2.55 
  Terao, Juliana Sayumi wf2154 BRA0.001-0.5315-7.95 
  Silva, Natalia 1943 URU1.0010.21153.15 
  Cancio-Bello Ayes, Flavia wf2114 CUB1.0010.42156.30 
  Vigoa Apecheche, Yanira wm2282 CUB0.001-0.3515-5.25 

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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