Individual Calculations September 2011
 Poon, Yu Tien  Total change: -17.10  Rating chartPersonal card
 XXII Torneo Panamericano de Ajedrez de la Juventud 2011 U-12 Absoluto Cali COL 2011-07-02
RcRownchangeKK*chgGame
 1695 1890 3.50 7 -1.70 15 -25.50 
  Bernuy, Carlos 1577 PER1.0010.14152.10 
  Torres, Mauricio 1705 PAR0.001-0.7415-11.10 
  Naranjo, Irwin 1618 ECU1.0010.17152.55 
  Tello Chavez, Isaac Valent 1715 MEX0.501-0.2315-3.45 
  Murga Valenzuela, Caleb 1639 PER0.501-0.3115-4.65 
  Anillo Castro, Alfonso 1855 COL0.501-0.0515-0.75 
  Oliveira, Tiago Lopes 1753 BRA0.001-0.6815-10.20 

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)
 
 Caribbean Chess Carnival 2011 Under 20 Port of Spain TTO 2011-08-02
RcRownchangeKK*chgGame
 1980 1890 2.50 5 0.56 15 8.40 
  Waldron, Omari 1864 TRI0.501-0.0415-0.60 
  Gill, Joseph 1936 TRI0.5010.06150.90 
  Cabralis, Keron f2155 TRI0.5010.32154.80 
  Singh, Vishnu 2019 TRI1.0010.671510.05 
  Tjong Tjin Joe, Calvin 1928 SUR0.001-0.4515-6.75 

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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