Individual Calculations May 2011
 Serrano, Diego  Total change: -52.25  Rating chartPersonal card
 XV Grand Prix 6ta. Parada 2010 U-2100 Quevedo ECU 2010-10-08
RcRownchangeKK*chgGame
 1792 1674 0.50 4 -0.93 25 -23.25 
  Sanchez, John 1988 ECU0.001-0.1425-3.50 
  Carrasco, Alejandro 1882 ECU0.001-0.2325-5.75 
  Tipan, Jaccely 1518 ECU0.501-0.2125-5.25 
  Flores, Jose 1781 ECU0.001-0.3525-8.75 

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)
 
 XV Grand Prix Nacional 7ma. Parada 2010 Categoría U-2100 Santo Domingo ECU 2010-10-29
RcRownchangeKK*chgGame
 1810 1674 0.00 2 -0.64 25 -16.00 
  Bone, Jhonny 1864 ECU0.001-0.2525-6.25 
  Galarza, Freddy 1756 ECU0.001-0.3925-9.75 

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)
 
 II JUEGOS NACIONALES PREJUVENILES MASCULINO "EL ORO 2010" Zaruma ECU 2010-11-20
RcRownchangeKK*chgGame
 1667 1674 0.50 2 -0.52 25 -13.00 
  Sanchez, Jairo 1573 ECU0.501-0.1425-3.50 
  Olvera Urena, Yasser 1760 ECU0.001-0.3825-9.50 

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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