Individual Calculations April 2013
 Collins, Sam E.  Total change: 0.60  Rating chartPersonal card
 Bunratty Classic 2013 Bunratty IRL 2013-02-27
RcRownchangeKK*chgGame
 2445 2482 5.00 9 0.06 10 0.60 
  Astaneh Lopez, Alex m2416 IRL1.0010.41104.10 
  Quinn, Mark m2388 IRL0.501-0.1310-1.30 
  Arkell, Keith C. g2472 ENG0.001-0.5110-5.10 
  Burns-Mannion, Stephen R. m2376 SCO1.0010.36103.60 
  Rombaldoni, Denis m2510 ITA1.0010.54105.40 
  Hamitevici, Vladimir m2444 MDA0.001-0.5510-5.50 
  Pert, Nicholas g2539 ENG0.5010.08100.80 
  Hebden, Mark L. g2518 ENG0.5010.05100.50 
  Daly, Colm f2340 IRL0.501-0.1910-1.90 

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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