Individual Calculations May 2011
 Arenas, David  Total change: 7.40  Rating chartPersonal card
 Torneo Centroamericano y del Caribe - Zonal Absoluto 2.3 Santiago de los Caballeros DOM 2011-03-18
 2407 2420 7.00 12 0.74 10 7.40 
  Bruzon Batista, Lazaro g2686 CUB0.001-0.1810-1.80 
  Mateo, Ramon g2446 DOM0.5010.04100.40 
  Del Castilho, Martyn f2205 BAR1.0010.23102.30 
  Barrientos, Sergio E m2499 COL0.5010.11101.10 
  Dominguez Perez, Leinier g2716 CUB0.001-0.1510-1.50 
  Munoz Santana, Jose Lisandro m2401 DOM0.001-0.5310-5.30 
  Leon Hoyos, Manuel g2546 MEX1.0010.67106.70 
  Leyva, Hector m2393 ESA1.0010.46104.60 
  Mazara, Adan c2298 DOM0.501-0.1710-1.70 
  Cabralis, Keron f2203 TRI1.0010.22102.20 
  Pitterson, Jomo m2263 JAM0.501-0.2110-2.10 
  Lorenzana, Wilson Estuardo m2227 GUA1.0010.25102.50 

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)


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