Individual Calculations April 2013
 Collins, Alan  Total change: -2.55  Rating chartPersonal card
 28. ChessOrg Schachfestival Senioren Bad Woerishofen GER 2013-03-01
RcRownchangeKK*chgGame
 1748 1765 4.50 9 -0.17 15 -2.55 
  Thiel, Harry 1505 GER0.001-0.8215-12.30 
  Stolzenwald, Karl-Heinz 1746 GER0.501-0.0315-0.45 
  Wagner, Gerhard 1799 GER0.5010.05150.75 
  Weyand, Fernand 1774 FRA0.5010.01150.15 
  Flockerzi, Armin 1810 GER0.001-0.4415-6.60 
  Schoen, Siegfried 1802 GER1.0010.55158.25 
  Kuhn, Hans 1558 GER1.0010.23153.45 
  Reichwald, Klaus 1907 GER0.5010.19152.85 
  Schumacher, Horst 1828 GER0.5010.09151.35 

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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