Individual Calculations July 2008
 Sierra, Edwin Andres  Total change: 38.00  Rating chartPersonal card
 IRT 1™ Eliminatoria Olimpiada Absoluto BogotŠ COL 2008-03-20
RcRownchangeKK*chgGame
 2219 2083 0.50 4 -0.78 25 -19.50 
  Ramirez, Carlos f2249 COL0.001-0.2825-7.00 
  Jimenez, Jose Mauricio 2228 COL0.001-0.3125-7.75 
  Martinez, Jorge Alexander 2195 COL0.5010.15253.75 
  Montenegro, Rolando 2203 COL0.001-0.3425-8.50 

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)
 
 IRT 2™ Eliminatoria Olimpiada Absoluto Cali COL 2008-05-01
RcRownchangeKK*chgGame
 2304 2083 0.50 1 0.28 25 7.00 
  Cuartas, Jorge Humberto f2304 COL0.5010.28257.00 

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)
 
 IRT 3™ Eliminatoria Olimpiada Absoluto Bucaramanga COL 2008-05-30
RcRownchangeKK*chgGame
 2286 2083 3.50 6 2.02 25 50.50 
  Martinez, Julian 2217 COL0.5010.18254.50 
  Diaz, Jaime Walter 2271 COL1.0010.742518.50 
  Ramirez, Carlos f2249 COL1.0010.722518.00 
  Mosquera, Miguel m2398 COL0.001-0.1425-3.50 
  Peinado, Giovanny 2233 COL0.5010.20255.00 
  Tapia, Daniel f2348 COL0.5010.32258.00 

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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