Individual Calculations July 2008
 Mariotti, Sergio  Total change: 0.90  Rating chartPersonal card
 OP 2. Inverno al Forum Roma ITA 2008-03-14
RcRownchangeKK*chgGame
 2192 2337 3.50 5 0.09 10 0.90 
  Foglia, Maurizio 2090 ITA1.0010.19101.90 
  Rossi, Aldo A 2232 ITA0.001-0.6410-6.40 
  Vuelban, Virgilio f2316 PHI0.501-0.0310-0.30 
  Trebeschi, Andrea 2063 ITA1.0010.17101.70 
  Quimi, Marco 2261 PER1.0010.40104.00 

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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