Individual Calculations May 2011
 Del Castilho, Martyn  Total change: -24.45  Rating chartPersonal card
 Torneo Centroamericano y del Caribe - Zonal Absoluto 2.3 Santiago de los Caballeros DOM 2011-03-18
 2409 2205 1.50 12 -1.63 15 -24.45 
  Barrientos, Sergio E m2499 COL0.001-0.1515-2.25 
  Arenas, David m2420 COL0.001-0.2315-3.45 
  Dominguez Perez, Leinier g2605  * CUB0.001-0.0815-1.20 
  Munoz Santana, Jose Lisandro m2401 DOM0.001-0.2515-3.75 
  Leon Hoyos, Manuel g2546 MEX0.001-0.1215-1.80 
  Leyva, Hector m2393 ESA0.5010.24153.60 
  Mazara, Adan c2298 DOM0.001-0.3715-5.55 
  Cabralis, Keron f2203 TRI0.001-0.5015-7.50 
  Pitterson, Jomo m2263 JAM1.0010.58158.70 
  Lorenzana, Wilson Estuardo m2227 GUA0.001-0.4715-7.05 
  Bruzon Batista, Lazaro g2605  * CUB0.001-0.0815-1.20 
  Mateo, Ramon g2446 DOM0.001-0.2015-3.00 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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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