Individual Calculations March 2011
 Efimenko, Zahar  Total change: 6.80  Rating chartPersonal card
 Tata Steel Chess Tournament - GMB Wijk aan Zee NED 2011-01-14
 2656 2701 8.00 13 0.68 10 6.80 
  Hammer, Jon Ludvig g2647 NOR1.0010.42104.20 
  Fressinet, Laurent g2707 FRA0.5010.01100.10 
  Ganguly, Surya Shekhar g2651 IND0.501-0.0710-0.70 
  So, Wesley g2673 PHI0.501-0.0410-0.40 
  Navara, David g2708 CZE1.0010.51105.10 
  Spoelman, Wouter g2547 NED1.0010.29102.90 
  Li, Chao B g2649 CHN0.501-0.0710-0.70 
  Tkachiev, Vladislav g2636 FRA0.001-0.5910-5.90 
  Nijboer, Friso g2584 NED0.501-0.1610-1.60 
  McShane, Luke J g2664 ENG1.0010.45104.50 
  Wojtaszek, Radoslaw g2726 POL0.5010.03100.30 
  Le, Quang Liem g2664 VIE0.501-0.0510-0.50 
  Sargissian, Gabriel g2667 ARM0.501-0.0510-0.50 

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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