Individual Calculations October 2008
 Velasco, Santiago  Total change: 17.25  Rating chartPersonal card
 Puerto Rico National Championship Caguas PUR 2008-07-11
RcRownchangeKK*chgGame
 2141 2270 8.50 11 1.15 15 17.25 
  Guzman, Carlos 2070 PUR1.0010.24153.60 
  Santana, Miguel 2136 PUR1.0010.32154.80 
  Bermudez, William 2211 PUR1.0010.42156.30 
  Machin, Mark 2184 PUR0.501-0.1215-1.80 
  Montalvo, Alejandro m2264 PUR0.001-0.5115-7.65 
  Acevedo, Francisco 2030 PUR1.0010.20153.00 
  Santa, Juan m2219 PUR0.501-0.0715-1.05 
  Massana, Jorge 2212 PUR1.0010.42156.30 
  Vazquez, Raul 2062 PUR0.501-0.2715-4.05 
  Sosa, Luis f2127 PUR1.0010.31154.65 
  Rivera, Edwardo 2040 PUR1.0010.21153.15 

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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