Individual Calculations September 2009
 Tirrito, Luca  Total change: 3.15  Rating chartPersonal card
 OP XV Gioiosa Marea Gioiosa Marea ITA 2009-07-19
RcRownchangeKK*chgGame
 2129 2059 4.00 9 0.21 15 3.15 
  Ristic, Nenad g2417 SRB0.001-0.1015-1.50 
  Amberlin, Yann 1896 FRA0.501-0.2215-3.30 
  Grichkevitch, Gilles 2153 FRA0.5010.13151.95 
  Valguarnera, Girolamo 2151 ITA1.0010.63159.45 
  Rizzardi, Franco 1994 ITA0.501-0.0915-1.35 
  Farnault, Eric 2053 FRA0.501-0.0115-0.15 
  Rodmacq, Clement 1973 FRA1.0010.38155.70 
  Sibilio, Mario f2379 ITA0.001-0.1315-1.95 
  Santagati, Alessandro 2147 ITA0.001-0.3815-5.70 

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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