Rapid: Individual Calculations December 2012
 Sierra, Edwin Andres  Total change: -27.60  Rating chartPersonal card
 IRT Camp Nal Ajedrez Activo Absoluto Juegos Nacionales 2012 Pamplona COL 2012-11-09
 2106 2136 3.50 9 -1.38 20 -27.60 
  Acosta, Alejandro m2302 COL0.5010.22204.40 
  Hernandez Sanchez, Jairo Andre f2323 COL0.001-0.2620-5.20 
  Trujillo, Fernando 2026 COL0.001-0.6520-13.00 
  Portnoy Cruz, Ivan Adolfo 2092 COL1.0010.44208.80 
  Pena, Dario 1965 COL0.001-0.7320-14.60 
  Tobar, Juan Carlos 2041 COL1.0010.37207.40 
  Contreras, Henry f2240 COL0.001-0.3620-7.20 
  Galvis, Carlos Alberto 1956 COL1.0010.26205.20 
  Florez, Luis Angel 2009 COL0.001-0.6720-13.40 

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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