Individual Calculations May 2011
 Barrientos, Sergio E  Total change: -9.50  Rating chartPersonal card
 Torneo Centroamericano y del Caribe - Zonal Absoluto 2.3 Santiago de los Caballeros DOM 2011-03-18
 2400 2499 6.50 12 -0.95 10 -9.50 
  Mateo, Ramon g2446 DOM0.501-0.0710-0.70 
  Del Castilho, Martyn f2205 BAR1.0010.15101.50 
  Arenas, David m2420 COL0.501-0.1110-1.10 
  Dominguez Perez, Leinier g2716 CUB0.001-0.2210-2.20 
  Munoz Santana, Jose Lisandro m2401 DOM0.001-0.6310-6.30 
  Leon Hoyos, Manuel g2546 MEX0.001-0.4310-4.30 
  Leyva, Hector m2393 ESA0.501-0.1410-1.40 
  Mazara, Adan c2298 DOM1.0010.24102.40 
  Cabralis, Keron f2203 TRI0.501-0.3510-3.50 
  Pitterson, Jomo m2263 JAM1.0010.20102.00 
  Lorenzana, Wilson Estuardo m2227 GUA1.0010.17101.70 
  Bruzon Batista, Lazaro g2686 CUB0.5010.24102.40 

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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